changeset 21633:6cc4c9a56216

8025985: com.sun.management.OSMBeanFactory should not be public Reviewed-by: alanb, erikj, ihse, jbachorik
author mchung
date Fri, 08 Nov 2013 12:13:02 -0800
parents 82c2718908e5
children 55914541c844
files jdk/makefiles/lib/ServiceabilityLibraries.gmk jdk/makefiles/mapfiles/libmanagement/mapfile-vers jdk/src/share/classes/sun/management/BaseOperatingSystemImpl.java jdk/src/share/classes/sun/management/ManagementFactoryHelper.java jdk/src/share/classes/sun/management/OperatingSystemImpl.java jdk/src/solaris/classes/com/sun/management/OSMBeanFactory.java jdk/src/solaris/classes/com/sun/management/UnixOperatingSystem.java jdk/src/solaris/classes/sun/management/OperatingSystemImpl.java jdk/src/solaris/native/com/sun/management/LinuxOperatingSystem.c jdk/src/solaris/native/com/sun/management/MacosxOperatingSystem.c jdk/src/solaris/native/com/sun/management/SolarisOperatingSystem.c jdk/src/solaris/native/com/sun/management/UnixOperatingSystem_md.c jdk/src/solaris/native/sun/management/LinuxOperatingSystem.c jdk/src/solaris/native/sun/management/MacosxOperatingSystem.c jdk/src/solaris/native/sun/management/OperatingSystemImpl.c jdk/src/solaris/native/sun/management/SolarisOperatingSystem.c jdk/src/windows/classes/com/sun/management/OSMBeanFactory.java jdk/src/windows/classes/com/sun/management/OperatingSystem.java jdk/src/windows/classes/sun/management/OperatingSystemImpl.java jdk/src/windows/native/com/sun/management/OperatingSystem_md.c jdk/src/windows/native/sun/management/OperatingSystemImpl.c
diffstat 21 files changed, 2342 insertions(+), 2460 deletions(-) [+]
line wrap: on
line diff
--- a/jdk/makefiles/lib/ServiceabilityLibraries.gmk	Fri Nov 08 18:54:29 2013 +0000
+++ b/jdk/makefiles/lib/ServiceabilityLibraries.gmk	Fri Nov 08 12:13:02 2013 -0800
@@ -275,19 +275,12 @@
 ##########################################################################################
 
 BUILD_LIBMANAGEMENT_SRC := $(JDK_TOPDIR)/src/share/native/sun/management \
-    $(JDK_TOPDIR)/src/$(OPENJDK_TARGET_OS_API_DIR)/native/sun/management \
-    $(JDK_TOPDIR)/src/$(OPENJDK_TARGET_OS_API_DIR)/native/com/sun/management
+    $(JDK_TOPDIR)/src/$(OPENJDK_TARGET_OS_API_DIR)/native/sun/management
 
 BUILD_LIBMANAGEMENT_EXCLUDES :=
 
 BUILD_LIBMANAGEMENT_CFLAGS := -I$(JDK_TOPDIR)/src/share/native/sun/management
 
-ifneq ($(OPENJDK_TARGET_OS), windows)
-  BUILD_LIBMANAGEMENT_EXCLUDES += OperatingSystem_md.c
-else
-  BUILD_LIBMANAGEMENT_EXCLUDES += UnixOperatingSystem_md.c
-endif
-
 ifneq ($(OPENJDK_TARGET_OS), solaris)
   BUILD_LIBMANAGEMENT_EXCLUDES += SolarisOperatingSystem.c
 endif
--- a/jdk/makefiles/mapfiles/libmanagement/mapfile-vers	Fri Nov 08 18:54:29 2013 +0000
+++ b/jdk/makefiles/mapfiles/libmanagement/mapfile-vers	Fri Nov 08 12:13:02 2013 -0800
@@ -27,17 +27,17 @@
 
 SUNWprivate_1.1 {
 	global:
-	    Java_com_sun_management_UnixOperatingSystem_getCommittedVirtualMemorySize;
-	    Java_com_sun_management_UnixOperatingSystem_getFreePhysicalMemorySize;
-	    Java_com_sun_management_UnixOperatingSystem_getFreeSwapSpaceSize;
-	    Java_com_sun_management_UnixOperatingSystem_getMaxFileDescriptorCount;
-	    Java_com_sun_management_UnixOperatingSystem_getOpenFileDescriptorCount;
-	    Java_com_sun_management_UnixOperatingSystem_getProcessCpuLoad;
-	    Java_com_sun_management_UnixOperatingSystem_getProcessCpuTime;
-	    Java_com_sun_management_UnixOperatingSystem_getSystemCpuLoad;
-	    Java_com_sun_management_UnixOperatingSystem_getTotalPhysicalMemorySize;
-	    Java_com_sun_management_UnixOperatingSystem_getTotalSwapSpaceSize;
-	    Java_com_sun_management_UnixOperatingSystem_initialize;
+	    Java_sun_management_OperatingSystemImpl_getCommittedVirtualMemorySize;
+	    Java_sun_management_OperatingSystemImpl_getFreePhysicalMemorySize;
+	    Java_sun_management_OperatingSystemImpl_getFreeSwapSpaceSize;
+	    Java_sun_management_OperatingSystemImpl_getMaxFileDescriptorCount;
+	    Java_sun_management_OperatingSystemImpl_getOpenFileDescriptorCount;
+	    Java_sun_management_OperatingSystemImpl_getProcessCpuLoad;
+	    Java_sun_management_OperatingSystemImpl_getProcessCpuTime;
+	    Java_sun_management_OperatingSystemImpl_getSystemCpuLoad;
+	    Java_sun_management_OperatingSystemImpl_getTotalPhysicalMemorySize;
+	    Java_sun_management_OperatingSystemImpl_getTotalSwapSpaceSize;
+	    Java_sun_management_OperatingSystemImpl_initialize;
 	    Java_sun_management_ClassLoadingImpl_setVerboseClass;
             Java_sun_management_DiagnosticCommandImpl_executeDiagnosticCommand;
             Java_sun_management_DiagnosticCommandImpl_getDiagnosticCommands;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/management/BaseOperatingSystemImpl.java	Fri Nov 08 12:13:02 2013 -0800
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.management;
+
+import java.lang.management.OperatingSystemMXBean;
+import java.lang.management.ManagementFactory;
+import javax.management.ObjectName;
+import sun.misc.Unsafe;
+
+/**
+ * Implementation class for the operating system.
+ * Standard and committed hotspot-specific metrics if any.
+ *
+ * ManagementFactory.getOperatingSystemMXBean() returns an instance
+ * of this class.
+ */
+public class BaseOperatingSystemImpl implements OperatingSystemMXBean {
+
+    private final VMManagement jvm;
+
+    /**
+     * Constructor of BaseOperatingSystemImpl class.
+     */
+    protected BaseOperatingSystemImpl(VMManagement vm) {
+        this.jvm = vm;
+    }
+
+    public String getName() {
+        return jvm.getOsName();
+    }
+
+    public String getArch() {
+        return jvm.getOsArch();
+    }
+
+    public String getVersion() {
+        return jvm.getOsVersion();
+    }
+
+    public int getAvailableProcessors() {
+        return jvm.getAvailableProcessors();
+    }
+
+    private static final Unsafe unsafe = Unsafe.getUnsafe();
+    private double[] loadavg = new double[1];
+    public double getSystemLoadAverage() {
+        if (unsafe.getLoadAverage(loadavg, 1) == 1) {
+             return loadavg[0];
+        } else {
+             return -1.0;
+        }
+    }
+    public ObjectName getObjectName() {
+        return Util.newObjectName(ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME);
+    }
+
+}
--- a/jdk/src/share/classes/sun/management/ManagementFactoryHelper.java	Fri Nov 08 18:54:29 2013 +0000
+++ b/jdk/src/share/classes/sun/management/ManagementFactoryHelper.java	Fri Nov 08 12:13:02 2013 -0800
@@ -46,7 +46,6 @@
 import java.util.HashMap;
 import java.util.List;
 import com.sun.management.DiagnosticCommandMBean;
-import com.sun.management.OSMBeanFactory;
 import com.sun.management.HotSpotDiagnosticMXBean;
 
 import static java.lang.management.ManagementFactory.*;
@@ -104,8 +103,7 @@
 
     public static synchronized OperatingSystemMXBean getOperatingSystemMXBean() {
         if (osMBean == null) {
-            osMBean = (OperatingSystemImpl)
-                          OSMBeanFactory.getOperatingSystemMXBean(jvm);
+            osMBean = new OperatingSystemImpl(jvm);
         }
         return osMBean;
     }
--- a/jdk/src/share/classes/sun/management/OperatingSystemImpl.java	Fri Nov 08 18:54:29 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,80 +0,0 @@
-/*
- * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package sun.management;
-
-import java.lang.management.OperatingSystemMXBean;
-import java.lang.management.ManagementFactory;
-import javax.management.ObjectName;
-import sun.misc.Unsafe;
-
-/**
- * Implementation class for the operating system.
- * Standard and committed hotspot-specific metrics if any.
- *
- * ManagementFactory.getOperatingSystemMXBean() returns an instance
- * of this class.
- */
-public class OperatingSystemImpl implements OperatingSystemMXBean {
-
-    private final VMManagement jvm;
-
-    /**
-     * Constructor of OperatingSystemImpl class.
-     */
-    protected OperatingSystemImpl(VMManagement vm) {
-        this.jvm = vm;
-    }
-
-    public String getName() {
-        return jvm.getOsName();
-    }
-
-    public String getArch() {
-        return jvm.getOsArch();
-    }
-
-    public String getVersion() {
-        return jvm.getOsVersion();
-    }
-
-    public int getAvailableProcessors() {
-        return jvm.getAvailableProcessors();
-    }
-
-    private static final Unsafe unsafe = Unsafe.getUnsafe();
-    private double[] loadavg = new double[1];
-    public double getSystemLoadAverage() {
-        if (unsafe.getLoadAverage(loadavg, 1) == 1) {
-             return loadavg[0];
-        } else {
-             return -1.0;
-        }
-    }
-    public ObjectName getObjectName() {
-        return Util.newObjectName(ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME);
-    }
-
-}
--- a/jdk/src/solaris/classes/com/sun/management/OSMBeanFactory.java	Fri Nov 08 18:54:29 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,53 +0,0 @@
-/*
- * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.management;
-
-import java.lang.management.OperatingSystemMXBean;
-import sun.management.VMManagement;
-
-/**
- * Operating system dependent MBean factory.
- * <p>
- * <b>WARNING:</b> While this class is public, it should not be treated as
- * public API and its API may change in incompatable ways between dot dot
- * releases and even patch releases. You should not rely on this class.
- */
-@jdk.Exported(false)
-public class OSMBeanFactory {
-    /* static factory class */
-    private OSMBeanFactory() {};
-
-    private static UnixOperatingSystem osMBean = null;
-
-    public static synchronized OperatingSystemMXBean
-        getOperatingSystemMXBean(VMManagement jvm) {
-
-        if (osMBean == null) {
-            osMBean = new UnixOperatingSystem(jvm);
-        }
-        return (OperatingSystemMXBean) osMBean;
-    }
-}
--- a/jdk/src/solaris/classes/com/sun/management/UnixOperatingSystem.java	Fri Nov 08 18:54:29 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,60 +0,0 @@
-/*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.management;
-
-import sun.management.VMManagement;
-
-/**
- * Implementation class for the operating system.
- * Standard and committed hotspot-specific metrics if any.
- *
- * ManagementFactory.getOperatingSystemMXBean() returns an instance
- * of this class.
- */
-class UnixOperatingSystem
-    extends    sun.management.OperatingSystemImpl
-    implements UnixOperatingSystemMXBean {
-
-    UnixOperatingSystem(VMManagement vm) {
-        super(vm);
-    }
-
-    public native long getCommittedVirtualMemorySize();
-    public native long getTotalSwapSpaceSize();
-    public native long getFreeSwapSpaceSize();
-    public native long getProcessCpuTime();
-    public native long getFreePhysicalMemorySize();
-    public native long getTotalPhysicalMemorySize();
-    public native long getOpenFileDescriptorCount();
-    public native long getMaxFileDescriptorCount();
-    public native double getSystemCpuLoad();
-    public native double getProcessCpuLoad();
-
-    static {
-        initialize();
-    }
-    private static native void initialize();
-}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/classes/sun/management/OperatingSystemImpl.java	Fri Nov 08 12:13:02 2013 -0800
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.management;
+
+/**
+ * Implementation class for the operating system.
+ * Standard and committed hotspot-specific metrics if any.
+ *
+ * ManagementFactory.getOperatingSystemMXBean() returns an instance
+ * of this class.
+ */
+class OperatingSystemImpl extends BaseOperatingSystemImpl
+    implements com.sun.management.UnixOperatingSystemMXBean {
+
+    OperatingSystemImpl(VMManagement vm) {
+        super(vm);
+    }
+
+    public native long getCommittedVirtualMemorySize();
+    public native long getTotalSwapSpaceSize();
+    public native long getFreeSwapSpaceSize();
+    public native long getProcessCpuTime();
+    public native long getFreePhysicalMemorySize();
+    public native long getTotalPhysicalMemorySize();
+    public native long getOpenFileDescriptorCount();
+    public native long getMaxFileDescriptorCount();
+    public native double getSystemCpuLoad();
+    public native double getProcessCpuLoad();
+
+    static {
+        initialize();
+    }
+    private static native void initialize();
+}
--- a/jdk/src/solaris/native/com/sun/management/LinuxOperatingSystem.c	Fri Nov 08 18:54:29 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,332 +0,0 @@
-/*
- * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include <stdio.h>
-#include <stdint.h>
-#include <stdarg.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/resource.h>
-#include <sys/types.h>
-#include <dirent.h>
-#include <stdlib.h>
-#include <dlfcn.h>
-#include <pthread.h>
-#include "com_sun_management_UnixOperatingSystem.h"
-
-struct ticks {
-    uint64_t  used;
-    uint64_t  usedKernel;
-    uint64_t  total;
-};
-
-typedef struct ticks ticks;
-
-typedef enum {
-    CPU_LOAD_VM_ONLY,
-    CPU_LOAD_GLOBAL,
-} CpuLoadTarget;
-
-static struct perfbuf {
-    int   nProcs;
-    ticks jvmTicks;
-    ticks cpuTicks;
-    ticks *cpus;
-} counters;
-
-#define DEC_64 "%lld"
-
-static void next_line(FILE *f) {
-    while (fgetc(f) != '\n');
-}
-
-/**
- * Return the total number of ticks since the system was booted.
- * If the usedTicks parameter is not NULL, it will be filled with
- * the number of ticks spent on actual processes (user, system or
- * nice processes) since system boot. Note that this is the total number
- * of "executed" ticks on _all_ CPU:s, that is on a n-way system it is
- * n times the number of ticks that has passed in clock time.
- *
- * Returns a negative value if the reading of the ticks failed.
- */
-static int get_totalticks(int which, ticks *pticks) {
-    FILE         *fh;
-    uint64_t        userTicks, niceTicks, systemTicks, idleTicks;
-    int             n;
-
-    if((fh = fopen("/proc/stat", "r")) == NULL) {
-        return -1;
-    }
-
-    n = fscanf(fh, "cpu " DEC_64 " " DEC_64 " " DEC_64 " " DEC_64,
-           &userTicks, &niceTicks, &systemTicks, &idleTicks);
-
-    // Move to next line
-    next_line(fh);
-
-    //find the line for requested cpu faster to just iterate linefeeds?
-    if (which != -1) {
-        int i;
-        for (i = 0; i < which; i++) {
-            if (fscanf(fh, "cpu%*d " DEC_64 " " DEC_64 " " DEC_64 " " DEC_64, &userTicks, &niceTicks, &systemTicks, &idleTicks) != 4) {
-                fclose(fh);
-                return -2;
-            }
-            next_line(fh);
-        }
-        n = fscanf(fh, "cpu%*d " DEC_64 " " DEC_64 " " DEC_64 " " DEC_64 "\n",
-           &userTicks, &niceTicks, &systemTicks, &idleTicks);
-    }
-
-    fclose(fh);
-    if (n != 4) {
-        return -2;
-    }
-
-    pticks->used       = userTicks + niceTicks;
-    pticks->usedKernel = systemTicks;
-    pticks->total      = userTicks + niceTicks + systemTicks + idleTicks;
-
-    return 0;
-}
-
-static int vread_statdata(const char *procfile, const char *fmt, va_list args) {
-    FILE    *f;
-    int     n;
-    char     buf[2048];
-
-    if ((f = fopen(procfile, "r")) == NULL) {
-        return -1;
-    }
-
-    if ((n = fread(buf, 1, sizeof(buf), f)) != -1) {
-    char *tmp;
-
-    buf[n-1] = '\0';
-    /** skip through pid and exec name. the exec name _could be wacky_ (renamed) and
-     *  make scanf go mupp.
-     */
-    if ((tmp = strrchr(buf, ')')) != NULL) {
-        // skip the ')' and the following space but check that the buffer is long enough
-        tmp += 2;
-        if (tmp < buf + n) {
-        n = vsscanf(tmp, fmt, args);
-        }
-    }
-    }
-
-    fclose(f);
-
-    return n;
-}
-
-static int read_statdata(const char *procfile, const char *fmt, ...) {
-    int       n;
-    va_list args;
-
-    va_start(args, fmt);
-    n = vread_statdata(procfile, fmt, args);
-    va_end(args);
-    return n;
-}
-
-/** read user and system ticks from a named procfile, assumed to be in 'stat' format then. */
-static int read_ticks(const char *procfile, uint64_t *userTicks, uint64_t *systemTicks) {
-    return read_statdata(procfile, "%*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u "DEC_64" "DEC_64,
-             userTicks, systemTicks
-             );
-}
-
-/**
- * Return the number of ticks spent in any of the processes belonging
- * to the JVM on any CPU.
- */
-static int get_jvmticks(ticks *pticks) {
-    uint64_t userTicks;
-    uint64_t systemTicks;
-
-    if (read_ticks("/proc/self/stat", &userTicks, &systemTicks) < 0) {
-        return -1;
-    }
-
-    // get the total
-    if (get_totalticks(-1, pticks) < 0) {
-        return -1;
-    }
-
-    pticks->used       = userTicks;
-    pticks->usedKernel = systemTicks;
-
-    return 0;
-}
-
-/**
- * This method must be called first, before any data can be gathererd.
- */
-int perfInit() {
-    static int initialized=1;
-
-    if (!initialized) {
-        int  i;
-
-        int n = sysconf(_SC_NPROCESSORS_ONLN);
-        if (n <= 0) {
-            n = 1;
-        }
-
-        counters.cpus = calloc(n,sizeof(ticks));
-        if (counters.cpus != NULL)  {
-            // For the CPU load
-            get_totalticks(-1, &counters.cpuTicks);
-
-            for (i = 0; i < n; i++) {
-                get_totalticks(i, &counters.cpus[i]);
-            }
-            // For JVM load
-            get_jvmticks(&counters.jvmTicks);
-            initialized = 1;
-        }
-    }
-
-    return initialized ? 0 : -1;
-}
-
-#define MAX(a,b) (a>b?a:b)
-#define MIN(a,b) (a<b?a:b)
-
-static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
-
-/**
- * Return the load of the CPU as a double. 1.0 means the CPU process uses all
- * available time for user or system processes, 0.0 means the CPU uses all time
- * being idle.
- *
- * Returns a negative value if there is a problem in determining the CPU load.
- */
-
-static double get_cpuload_internal(int which, double *pkernelLoad, CpuLoadTarget target) {
-    uint64_t udiff, kdiff, tdiff;
-    ticks *pticks, tmp;
-    double user_load = -1.0;
-    int failed = 0;
-
-    *pkernelLoad = 0.0;
-
-    pthread_mutex_lock(&lock);
-
-    if(perfInit() == 0) {
-
-        if (target == CPU_LOAD_VM_ONLY) {
-            pticks = &counters.jvmTicks;
-        } else if (which == -1) {
-            pticks = &counters.cpuTicks;
-        } else {
-            pticks = &counters.cpus[which];
-        }
-
-        tmp = *pticks;
-
-        if (target == CPU_LOAD_VM_ONLY) {
-            if (get_jvmticks(pticks) != 0) {
-                failed = 1;
-            }
-        } else if (get_totalticks(which, pticks) < 0) {
-            failed = 1;
-        }
-
-        if(!failed) {
-            // seems like we sometimes end up with less kernel ticks when
-            // reading /proc/self/stat a second time, timing issue between cpus?
-            if (pticks->usedKernel < tmp.usedKernel) {
-                kdiff = 0;
-            } else {
-                kdiff = pticks->usedKernel - tmp.usedKernel;
-            }
-            tdiff = pticks->total - tmp.total;
-            udiff = pticks->used - tmp.used;
-
-            if (tdiff == 0) {
-                user_load = 0;
-            } else {
-                if (tdiff < (udiff + kdiff)) {
-                    tdiff = udiff + kdiff;
-                }
-                *pkernelLoad = (kdiff / (double)tdiff);
-                // BUG9044876, normalize return values to sane values
-                *pkernelLoad = MAX(*pkernelLoad, 0.0);
-                *pkernelLoad = MIN(*pkernelLoad, 1.0);
-
-                user_load = (udiff / (double)tdiff);
-                user_load = MAX(user_load, 0.0);
-                user_load = MIN(user_load, 1.0);
-            }
-        }
-    }
-    pthread_mutex_unlock(&lock);
-    return user_load;
-}
-
-double get_cpu_load(int which) {
-    double u, s;
-    u = get_cpuload_internal(which, &s, CPU_LOAD_GLOBAL);
-    if (u < 0) {
-        return -1.0;
-    }
-    // Cap total systemload to 1.0
-    return MIN((u + s), 1.0);
-}
-
-double get_process_load() {
-    double u, s;
-    u = get_cpuload_internal(-1, &s, CPU_LOAD_VM_ONLY);
-    if (u < 0) {
-        return -1.0;
-    }
-    return u + s;
-}
-
-JNIEXPORT jdouble JNICALL
-Java_com_sun_management_UnixOperatingSystem_getSystemCpuLoad
-(JNIEnv *env, jobject dummy)
-{
-    if(perfInit() == 0) {
-        return get_cpu_load(-1);
-    } else {
-        return -1.0;
-    }
-}
-
-JNIEXPORT jdouble JNICALL
-Java_com_sun_management_UnixOperatingSystem_getProcessCpuLoad
-(JNIEnv *env, jobject dummy)
-{
-    if(perfInit() == 0) {
-        return get_process_load();
-    } else {
-        return -1.0;
-    }
-}
--- a/jdk/src/solaris/native/com/sun/management/MacosxOperatingSystem.c	Fri Nov 08 18:54:29 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,160 +0,0 @@
-/*
- * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include "com_sun_management_UnixOperatingSystem.h"
-
-#include <sys/time.h>
-#include <mach/mach.h>
-#include <mach/task_info.h>
-
-
-JNIEXPORT jdouble JNICALL
-Java_com_sun_management_UnixOperatingSystem_getSystemCpuLoad
-(JNIEnv *env, jobject dummy)
-{
-    // This code is influenced by the darwin top source
-
-    kern_return_t kr;
-    mach_msg_type_number_t count;
-    host_cpu_load_info_data_t load;
-
-    static jlong last_used  = 0;
-    static jlong last_total = 0;
-
-    count = HOST_CPU_LOAD_INFO_COUNT;
-    kr = host_statistics(mach_host_self(), HOST_CPU_LOAD_INFO, (host_info_t)&load, &count);
-    if (kr != KERN_SUCCESS) {
-        return -1;
-    }
-
-    jlong used  = load.cpu_ticks[CPU_STATE_USER] + load.cpu_ticks[CPU_STATE_NICE] + load.cpu_ticks[CPU_STATE_SYSTEM];
-    jlong total = used + load.cpu_ticks[CPU_STATE_IDLE];
-
-    if (last_used == 0 || last_total == 0) {
-        // First call, just set the last values
-        last_used  = used;
-        last_total = total;
-        // return 0 since we have no data, not -1 which indicates error
-        return 0;
-    }
-
-    jlong used_delta  = used - last_used;
-    jlong total_delta = total - last_total;
-
-    jdouble cpu = (jdouble) used_delta / total_delta;
-
-    last_used  = used;
-    last_total = total;
-
-    return cpu;
-}
-
-
-#define TIME_VALUE_TO_TIMEVAL(a, r) do {  \
-     (r)->tv_sec = (a)->seconds;          \
-     (r)->tv_usec = (a)->microseconds;    \
-} while (0)
-
-
-#define TIME_VALUE_TO_MICROSECONDS(TV) \
-     ((TV).tv_sec * 1000 * 1000 + (TV).tv_usec)
-
-
-JNIEXPORT jdouble JNICALL
-Java_com_sun_management_UnixOperatingSystem_getProcessCpuLoad
-(JNIEnv *env, jobject dummy)
-{
-    // This code is influenced by the darwin top source
-
-    struct task_basic_info_64 task_info_data;
-    struct task_thread_times_info thread_info_data;
-    struct timeval user_timeval, system_timeval, task_timeval;
-    struct timeval now;
-    mach_port_t task = mach_task_self();
-    kern_return_t kr;
-
-    static jlong last_task_time = 0;
-    static jlong last_time      = 0;
-
-    mach_msg_type_number_t thread_info_count = TASK_THREAD_TIMES_INFO_COUNT;
-    kr = task_info(task,
-            TASK_THREAD_TIMES_INFO,
-            (task_info_t)&thread_info_data,
-            &thread_info_count);
-    if (kr != KERN_SUCCESS) {
-        // Most likely cause: |task| is a zombie.
-        return -1;
-    }
-
-    mach_msg_type_number_t count = TASK_BASIC_INFO_64_COUNT;
-    kr = task_info(task,
-            TASK_BASIC_INFO_64,
-            (task_info_t)&task_info_data,
-            &count);
-    if (kr != KERN_SUCCESS) {
-        // Most likely cause: |task| is a zombie.
-        return -1;
-    }
-
-    /* Set total_time. */
-    // thread info contains live time...
-    TIME_VALUE_TO_TIMEVAL(&thread_info_data.user_time, &user_timeval);
-    TIME_VALUE_TO_TIMEVAL(&thread_info_data.system_time, &system_timeval);
-    timeradd(&user_timeval, &system_timeval, &task_timeval);
-
-    // ... task info contains terminated time.
-    TIME_VALUE_TO_TIMEVAL(&task_info_data.user_time, &user_timeval);
-    TIME_VALUE_TO_TIMEVAL(&task_info_data.system_time, &system_timeval);
-    timeradd(&user_timeval, &task_timeval, &task_timeval);
-    timeradd(&system_timeval, &task_timeval, &task_timeval);
-
-    if (gettimeofday(&now, NULL) < 0) {
-       return -1;
-    }
-    jint ncpus      = JVM_ActiveProcessorCount();
-    jlong time      = TIME_VALUE_TO_MICROSECONDS(now) * ncpus;
-    jlong task_time = TIME_VALUE_TO_MICROSECONDS(task_timeval);
-
-    if ((last_task_time == 0) || (last_time == 0)) {
-        // First call, just set the last values.
-        last_task_time = task_time;
-        last_time      = time;
-        // return 0 since we have no data, not -1 which indicates error
-        return 0;
-    }
-
-    jlong task_time_delta = task_time - last_task_time;
-    jlong time_delta      = time - last_time;
-    if (time_delta == 0) {
-        return -1;
-    }
-
-    jdouble cpu = (jdouble) task_time_delta / time_delta;
-
-    last_task_time = task_time;
-    last_time      = time;
-
-    return cpu;
- }
--- a/jdk/src/solaris/native/com/sun/management/SolarisOperatingSystem.c	Fri Nov 08 18:54:29 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,241 +0,0 @@
-/*
- * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include <fcntl.h>
-#include <kstat.h>
-#include <procfs.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/sysinfo.h>
-#include <sys/lwp.h>
-#include <pthread.h>
-#include <utmpx.h>
-#include <dlfcn.h>
-#include <sys/loadavg.h>
-#include <jni.h>
-#include "jvm.h"
-#include "com_sun_management_UnixOperatingSystem.h"
-
-typedef struct {
-    kstat_t *kstat;
-    uint64_t  last_idle;
-    uint64_t  last_total;
-    double  last_ratio;
-} cpuload_t;
-
-static cpuload_t   *cpu_loads = NULL;
-static unsigned int num_cpus;
-static kstat_ctl_t *kstat_ctrl = NULL;
-
-static void map_cpu_kstat_counters() {
-    kstat_t     *kstat;
-    int          i;
-
-    // Get number of CPU(s)
-    if ((num_cpus = sysconf(_SC_NPROCESSORS_ONLN)) == -1) {
-        num_cpus = 1;
-    }
-
-    // Data structure for saving CPU load
-    if ((cpu_loads = calloc(num_cpus,sizeof(cpuload_t))) == NULL) {
-        return;
-    }
-
-    // Get kstat cpu_stat counters for every CPU
-    // (loop over kstat to find our cpu_stat(s)
-    i = 0;
-    for (kstat = kstat_ctrl->kc_chain; kstat != NULL; kstat = kstat->ks_next) {
-        if (strncmp(kstat->ks_module, "cpu_stat", 8) == 0) {
-
-            if (kstat_read(kstat_ctrl, kstat, NULL) == -1) {
-            // Failed to initialize kstat for this CPU so ignore it
-            continue;
-            }
-
-            if (i == num_cpus) {
-            // Found more cpu_stats than reported CPUs
-            break;
-            }
-
-            cpu_loads[i++].kstat = kstat;
-        }
-    }
-}
-
-static int init_cpu_kstat_counters() {
-    static int initialized = 0;
-
-    // Concurrence in this method is prevented by the lock in
-    // the calling method get_cpu_load();
-    if(!initialized) {
-        if ((kstat_ctrl = kstat_open()) != NULL) {
-            map_cpu_kstat_counters();
-            initialized = 1;
-        }
-    }
-    return initialized ? 0 : -1;
-}
-
-static void update_cpu_kstat_counters() {
-    if(kstat_chain_update(kstat_ctrl) != 0) {
-        free(cpu_loads);
-        map_cpu_kstat_counters();
-    }
-}
-
-int read_cpustat(cpuload_t *load, cpu_stat_t *cpu_stat) {
-    if (load->kstat == NULL) {
-        // no handle.
-        return -1;
-    }
-    if (kstat_read(kstat_ctrl, load->kstat, cpu_stat) == -1) {
-        //  disabling for now, a kstat chain update is likely to happen next time
-        load->kstat = NULL;
-        return -1;
-    }
-    return 0;
-}
-
-double get_single_cpu_load(unsigned int n) {
-    cpuload_t  *load;
-    cpu_stat_t  cpu_stat;
-    uint_t     *usage;
-    uint64_t          c_idle;
-    uint64_t          c_total;
-    uint64_t          d_idle;
-    uint64_t          d_total;
-    int           i;
-
-    if (n >= num_cpus) {
-        return -1.0;
-    }
-
-    load = &cpu_loads[n];
-    if (read_cpustat(load, &cpu_stat) < 0) {
-        return -1.0;
-    }
-
-    usage   = cpu_stat.cpu_sysinfo.cpu;
-    c_idle  = usage[CPU_IDLE];
-
-    for (c_total = 0, i = 0; i < CPU_STATES; i++) {
-        c_total += usage[i];
-    }
-
-    // Calculate diff against previous snapshot
-    d_idle  = c_idle - load->last_idle;
-    d_total = c_total - load->last_total;
-
-    /** update if weve moved */
-    if (d_total > 0) {
-        // Save current values for next time around
-        load->last_idle  = c_idle;
-        load->last_total = c_total;
-        load->last_ratio = (double) (d_total - d_idle) / d_total;
-    }
-
-    return load->last_ratio;
-}
-
-int get_info(const char *path, void *info, size_t s, off_t o) {
-    int fd;
-    int ret = 0;
-    if ((fd = open(path, O_RDONLY)) < 0) {
-        return -1;
-    }
-    if (pread(fd, info, s, o) != s) {
-        ret = -1;
-    }
-    close(fd);
-    return ret;
-}
-
-#define MIN(a, b)           ((a < b) ? a : b)
-
-static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
-
-/**
- * Return the cpu load (0-1) for proc number 'which' (or average all if which == -1)
- */
-double  get_cpu_load(int which) {
-    double load =.0;
-
-    pthread_mutex_lock(&lock);
-    if(init_cpu_kstat_counters()==0) {
-
-        update_cpu_kstat_counters();
-
-        if (which == -1) {
-            unsigned int i;
-            double       t;
-
-            for (t = .0, i = 0; i < num_cpus; i++) {
-                t += get_single_cpu_load(i);
-            }
-
-            // Cap total systemload to 1.0
-            load = MIN((t / num_cpus), 1.0);
-        } else {
-            load = MIN(get_single_cpu_load(which), 1.0);
-        }
-    } else {
-        load = -1.0;
-    }
-    pthread_mutex_unlock(&lock);
-
-    return load;
-}
-
-/**
- * Return the cpu load (0-1) for the current process (i.e the JVM)
- * or -1.0 if the get_info() call failed
- */
-double get_process_load(void) {
-    psinfo_t info;
-
-    // Get the percentage of "recent cpu usage" from all the lwp:s in the JVM:s
-    // process. This is returned as a value between 0.0 and 1.0 multiplied by 0x8000.
-    if (get_info("/proc/self/psinfo",&info.pr_pctcpu, sizeof(info.pr_pctcpu), offsetof(psinfo_t, pr_pctcpu)) == 0) {
-        return (double) info.pr_pctcpu / 0x8000;
-    }
-    return -1.0;
-}
-
-JNIEXPORT jdouble JNICALL
-Java_com_sun_management_UnixOperatingSystem_getSystemCpuLoad
-(JNIEnv *env, jobject dummy)
-{
-    return get_cpu_load(-1);
-}
-
-JNIEXPORT jdouble JNICALL
-Java_com_sun_management_UnixOperatingSystem_getProcessCpuLoad
-(JNIEnv *env, jobject dummy)
-{
-    return get_process_load();
-}
-
--- a/jdk/src/solaris/native/com/sun/management/UnixOperatingSystem_md.c	Fri Nov 08 18:54:29 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,451 +0,0 @@
-/*
- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include "jni.h"
-#include "jni_util.h"
-#include "jlong.h"
-#include "jvm.h"
-#include "management.h"
-#include "com_sun_management_UnixOperatingSystem.h"
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#if defined(_ALLBSD_SOURCE)
-#include <sys/sysctl.h>
-#ifdef __APPLE__
-#include <sys/param.h>
-#include <sys/mount.h>
-#include <mach/mach.h>
-#include <sys/proc_info.h>
-#include <libproc.h>
-#endif
-#else
-#include <sys/swap.h>
-#endif
-#include <sys/resource.h>
-#include <sys/times.h>
-#ifndef _ALLBSD_SOURCE
-#include <sys/sysinfo.h>
-#endif
-#include <ctype.h>
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-static jlong page_size = 0;
-
-#if defined(_ALLBSD_SOURCE)
-#define MB      (1024UL * 1024UL)
-#else
-
-/* This gets us the new structured proc interfaces of 5.6 & later */
-/* - see comment in <sys/procfs.h> */
-#define _STRUCTURED_PROC 1
-#include <sys/procfs.h>
-
-#endif /* _ALLBSD_SOURCE */
-
-static struct dirent* read_dir(DIR* dirp, struct dirent* entry) {
-#ifdef __solaris__
-    struct dirent* dbuf = readdir(dirp);
-    return dbuf;
-#else /* __linux__ || _ALLBSD_SOURCE */
-    struct dirent* p;
-    if (readdir_r(dirp, entry, &p) == 0) {
-        return p;
-    } else {
-        return NULL;
-    }
-#endif
-}
-
-// true = get available swap in bytes
-// false = get total swap in bytes
-static jlong get_total_or_available_swap_space_size(JNIEnv* env, jboolean available) {
-#ifdef __solaris__
-    long total, avail;
-    int nswap, i, count;
-    swaptbl_t *stbl;
-    char *strtab;
-
-    // First get the number of swap resource entries
-    if ((nswap = swapctl(SC_GETNSWP, NULL)) == -1) {
-        throw_internal_error(env, "swapctl failed to get nswap");
-        return -1;
-    }
-    if (nswap == 0) {
-        return 0;
-    }
-
-    // Allocate storage for resource entries
-    stbl = (swaptbl_t*) malloc(nswap * sizeof(swapent_t) +
-                               sizeof(struct swaptable));
-    if (stbl == NULL) {
-        JNU_ThrowOutOfMemoryError(env, 0);
-        return -1;
-    }
-
-    // Allocate storage for the table
-    strtab = (char*) malloc((nswap + 1) * MAXPATHLEN);
-    if (strtab == NULL) {
-        free(stbl);
-        JNU_ThrowOutOfMemoryError(env, 0);
-        return -1;
-    }
-
-    for (i = 0; i < (nswap + 1); i++) {
-      stbl->swt_ent[i].ste_path = strtab + (i * MAXPATHLEN);
-    }
-    stbl->swt_n = nswap + 1;
-
-    // Get the entries
-    if ((count = swapctl(SC_LIST, stbl)) < 0) {
-        free(stbl);
-        free(strtab);
-        throw_internal_error(env, "swapctl failed to get swap list");
-        return -1;
-    }
-
-    // Sum the entries to get total and free swap
-    total = 0;
-    avail = 0;
-    for (i = 0; i < count; i++) {
-      total += stbl->swt_ent[i].ste_pages;
-      avail += stbl->swt_ent[i].ste_free;
-    }
-
-    free(stbl);
-    free(strtab);
-    return available ? ((jlong)avail * page_size) :
-                       ((jlong)total * page_size);
-#elif defined(__linux__)
-    int ret;
-    FILE *fp;
-    jlong total = 0, avail = 0;
-
-    struct sysinfo si;
-    ret = sysinfo(&si);
-    if (ret != 0) {
-        throw_internal_error(env, "sysinfo failed to get swap size");
-    }
-    total = (jlong)si.totalswap * si.mem_unit;
-    avail = (jlong)si.freeswap * si.mem_unit;
-
-    return available ? avail : total;
-#elif defined(__APPLE__)
-    struct xsw_usage vmusage;
-    size_t size = sizeof(vmusage);
-    if (sysctlbyname("vm.swapusage", &vmusage, &size, NULL, 0) != 0) {
-        throw_internal_error(env, "sysctlbyname failed");
-    }
-    return available ? (jlong)vmusage.xsu_avail : (jlong)vmusage.xsu_total;
-#else /* _ALLBSD_SOURCE */
-    /*
-     * XXXBSD: there's no way available to get swap info in
-     *         FreeBSD.  Usage of libkvm is not an option here
-     */
-    // throw_internal_error(env, "Unimplemented in FreeBSD");
-    return (0);
-#endif
-}
-
-JNIEXPORT void JNICALL
-Java_com_sun_management_UnixOperatingSystem_initialize
-  (JNIEnv *env, jclass cls)
-{
-    page_size = sysconf(_SC_PAGESIZE);
-}
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_UnixOperatingSystem_getCommittedVirtualMemorySize
-  (JNIEnv *env, jobject mbean)
-{
-#ifdef __solaris__
-    psinfo_t psinfo;
-    ssize_t result;
-    size_t remaining;
-    char* addr;
-    int fd;
-
-    fd = JVM_Open("/proc/self/psinfo", O_RDONLY, 0);
-    if (fd < 0) {
-        throw_internal_error(env, "Unable to open /proc/self/psinfo");
-        return -1;
-    }
-
-    addr = (char *)&psinfo;
-    for (remaining = sizeof(psinfo_t); remaining > 0;) {
-        result = JVM_Read(fd, addr, remaining);
-        if (result < 0) {
-            JVM_Close(fd);
-            throw_internal_error(env, "Unable to read /proc/self/psinfo");
-            return -1;
-        }
-        remaining -= result;
-        addr += result;
-    }
-
-    JVM_Close(fd);
-    return (jlong) psinfo.pr_size * 1024;
-#elif defined(__linux__)
-    FILE *fp;
-    unsigned long vsize = 0;
-
-    if ((fp = fopen("/proc/self/stat", "r")) == NULL) {
-        throw_internal_error(env, "Unable to open /proc/self/stat");
-        return -1;
-    }
-
-    // Ignore everything except the vsize entry
-    if (fscanf(fp, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %*d %*d %*d %*d %*d %*d %*u %*u %*d %lu %*[^\n]\n", &vsize) == EOF) {
-        throw_internal_error(env, "Unable to get virtual memory usage");
-        fclose(fp);
-        return -1;
-    }
-
-    fclose(fp);
-    return (jlong)vsize;
-#elif defined(__APPLE__)
-    struct task_basic_info t_info;
-    mach_msg_type_number_t t_info_count = TASK_BASIC_INFO_COUNT;
-
-    kern_return_t res = task_info(mach_task_self(), TASK_BASIC_INFO, (task_info_t)&t_info, &t_info_count);
-    if (res != KERN_SUCCESS) {
-        throw_internal_error(env, "task_info failed");
-    }
-    return t_info.virtual_size;
-#else /* _ALLBSD_SOURCE */
-    /*
-     * XXXBSD: there's no way available to do it in FreeBSD, AFAIK.
-     */
-    // throw_internal_error(env, "Unimplemented in FreeBSD");
-    return (64 * MB);
-#endif
-}
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_UnixOperatingSystem_getTotalSwapSpaceSize
-  (JNIEnv *env, jobject mbean)
-{
-    return get_total_or_available_swap_space_size(env, JNI_FALSE);
-}
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_UnixOperatingSystem_getFreeSwapSpaceSize
-  (JNIEnv *env, jobject mbean)
-{
-    return get_total_or_available_swap_space_size(env, JNI_TRUE);
-}
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_UnixOperatingSystem_getProcessCpuTime
-  (JNIEnv *env, jobject mbean)
-{
-#ifdef __APPLE__
-    struct rusage usage;
-    if (getrusage(RUSAGE_SELF, &usage) != 0) {
-        throw_internal_error(env, "getrusage failed");
-        return -1;
-    }
-    jlong microsecs =
-        usage.ru_utime.tv_sec * 1000 * 1000 + usage.ru_utime.tv_usec +
-        usage.ru_stime.tv_sec * 1000 * 1000 + usage.ru_stime.tv_usec;
-    return microsecs * 1000;
-#else
-    jlong clk_tck, ns_per_clock_tick;
-    jlong cpu_time_ns;
-    struct tms time;
-
-    /*
-     * BSDNOTE: FreeBSD implements _SC_CLK_TCK since FreeBSD 5, so
-     *          add a magic to handle it
-     */
-#if defined(__solaris__) || defined(_SC_CLK_TCK)
-    clk_tck = (jlong) sysconf(_SC_CLK_TCK);
-#elif defined(__linux__) || defined(_ALLBSD_SOURCE)
-    clk_tck = 100;
-#endif
-    if (clk_tck == -1) {
-        throw_internal_error(env,
-                             "sysconf failed - not able to get clock tick");
-        return -1;
-    }
-
-    times(&time);
-    ns_per_clock_tick = (jlong) 1000 * 1000 * 1000 / (jlong) clk_tck;
-    cpu_time_ns = ((jlong)time.tms_utime + (jlong) time.tms_stime) *
-                      ns_per_clock_tick;
-    return cpu_time_ns;
-#endif
-}
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_UnixOperatingSystem_getFreePhysicalMemorySize
-  (JNIEnv *env, jobject mbean)
-{
-#ifdef __APPLE__
-    mach_msg_type_number_t count;
-    vm_statistics_data_t vm_stats;
-    kern_return_t res;
-
-    count = HOST_VM_INFO_COUNT;
-    res = host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&vm_stats, &count);
-    if (res != KERN_SUCCESS) {
-        throw_internal_error(env, "host_statistics failed");
-        return -1;
-    }
-    return (jlong)vm_stats.free_count * page_size;
-#elif defined(_ALLBSD_SOURCE)
-    /*
-     * XXBSDL no way to do it in FreeBSD
-     */
-    // throw_internal_error(env, "unimplemented in FreeBSD")
-    return (128 * MB);
-#else // solaris / linux
-    jlong num_avail_physical_pages = sysconf(_SC_AVPHYS_PAGES);
-    return (num_avail_physical_pages * page_size);
-#endif
-}
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_UnixOperatingSystem_getTotalPhysicalMemorySize
-  (JNIEnv *env, jobject mbean)
-{
-#ifdef _ALLBSD_SOURCE
-    jlong result = 0;
-    int mib[2];
-    size_t rlen;
-
-    mib[0] = CTL_HW;
-    mib[1] = HW_MEMSIZE;
-    rlen = sizeof(result);
-    if (sysctl(mib, 2, &result, &rlen, NULL, 0) != 0) {
-        throw_internal_error(env, "sysctl failed");
-        return -1;
-    }
-    return result;
-#else // solaris / linux
-    jlong num_physical_pages = sysconf(_SC_PHYS_PAGES);
-    return (num_physical_pages * page_size);
-#endif
-}
-
-
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_UnixOperatingSystem_getOpenFileDescriptorCount
-  (JNIEnv *env, jobject mbean)
-{
-#ifdef __APPLE__
-    // This code is influenced by the darwin lsof source
-    pid_t my_pid;
-    struct proc_bsdinfo bsdinfo;
-    struct proc_fdinfo *fds;
-    int nfiles;
-    kern_return_t kres;
-    int res;
-    size_t fds_size;
-
-    kres = pid_for_task(mach_task_self(), &my_pid);
-    if (kres != KERN_SUCCESS) {
-        throw_internal_error(env, "pid_for_task failed");
-        return -1;
-    }
-
-    // get the maximum number of file descriptors
-    res = proc_pidinfo(my_pid, PROC_PIDTBSDINFO, 0, &bsdinfo, PROC_PIDTBSDINFO_SIZE);
-    if (res <= 0) {
-        throw_internal_error(env, "proc_pidinfo with PROC_PIDTBSDINFO failed");
-        return -1;
-    }
-
-    // allocate memory to hold the fd information (we don't acutally use this information
-    // but need it to get the number of open files)
-    fds_size = bsdinfo.pbi_nfiles * sizeof(struct proc_fdinfo);
-    fds = malloc(fds_size);
-    if (fds == NULL) {
-        JNU_ThrowOutOfMemoryError(env, "could not allocate space for file descriptors");
-        return -1;
-    }
-
-    // get the list of open files - the return value is the number of bytes
-    // proc_pidinfo filled in
-    res = proc_pidinfo(my_pid, PROC_PIDLISTFDS, 0, fds, fds_size);
-    if (res <= 0) {
-        free(fds);
-        throw_internal_error(env, "proc_pidinfo failed for PROC_PIDLISTFDS");
-        return -1;
-    }
-    nfiles = res / sizeof(struct proc_fdinfo);
-    free(fds);
-
-    return nfiles;
-#elif defined(_ALLBSD_SOURCE)
-    /*
-     * XXXBSD: there's no way available to do it in FreeBSD, AFAIK.
-     */
-    // throw_internal_error(env, "Unimplemented in FreeBSD");
-    return (100);
-#else /* solaris/linux */
-    DIR *dirp;
-    struct dirent dbuf;
-    struct dirent* dentp;
-    jlong fds = 0;
-
-    dirp = opendir("/proc/self/fd");
-    if (dirp == NULL) {
-        throw_internal_error(env, "Unable to open directory /proc/self/fd");
-        return -1;
-    }
-
-    // iterate through directory entries, skipping '.' and '..'
-    // each entry represents an open file descriptor.
-    while ((dentp = read_dir(dirp, &dbuf)) != NULL) {
-        if (isdigit(dentp->d_name[0])) {
-            fds++;
-        }
-    }
-
-    closedir(dirp);
-    // subtract by 1 which was the fd open for this implementation
-    return (fds - 1);
-#endif
-}
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_UnixOperatingSystem_getMaxFileDescriptorCount
-  (JNIEnv *env, jobject mbean)
-{
-    struct rlimit rlp;
-
-    if (getrlimit(RLIMIT_NOFILE, &rlp) == -1) {
-        throw_internal_error(env, "getrlimit failed");
-        return -1;
-    }
-    return (jlong) rlp.rlim_cur;
-}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/native/sun/management/LinuxOperatingSystem.c	Fri Nov 08 12:13:02 2013 -0800
@@ -0,0 +1,332 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/resource.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <stdlib.h>
+#include <dlfcn.h>
+#include <pthread.h>
+#include "sun_management_OperatingSystemImpl.h"
+
+struct ticks {
+    uint64_t  used;
+    uint64_t  usedKernel;
+    uint64_t  total;
+};
+
+typedef struct ticks ticks;
+
+typedef enum {
+    CPU_LOAD_VM_ONLY,
+    CPU_LOAD_GLOBAL,
+} CpuLoadTarget;
+
+static struct perfbuf {
+    int   nProcs;
+    ticks jvmTicks;
+    ticks cpuTicks;
+    ticks *cpus;
+} counters;
+
+#define DEC_64 "%lld"
+
+static void next_line(FILE *f) {
+    while (fgetc(f) != '\n');
+}
+
+/**
+ * Return the total number of ticks since the system was booted.
+ * If the usedTicks parameter is not NULL, it will be filled with
+ * the number of ticks spent on actual processes (user, system or
+ * nice processes) since system boot. Note that this is the total number
+ * of "executed" ticks on _all_ CPU:s, that is on a n-way system it is
+ * n times the number of ticks that has passed in clock time.
+ *
+ * Returns a negative value if the reading of the ticks failed.
+ */
+static int get_totalticks(int which, ticks *pticks) {
+    FILE         *fh;
+    uint64_t        userTicks, niceTicks, systemTicks, idleTicks;
+    int             n;
+
+    if((fh = fopen("/proc/stat", "r")) == NULL) {
+        return -1;
+    }
+
+    n = fscanf(fh, "cpu " DEC_64 " " DEC_64 " " DEC_64 " " DEC_64,
+           &userTicks, &niceTicks, &systemTicks, &idleTicks);
+
+    // Move to next line
+    next_line(fh);
+
+    //find the line for requested cpu faster to just iterate linefeeds?
+    if (which != -1) {
+        int i;
+        for (i = 0; i < which; i++) {
+            if (fscanf(fh, "cpu%*d " DEC_64 " " DEC_64 " " DEC_64 " " DEC_64, &userTicks, &niceTicks, &systemTicks, &idleTicks) != 4) {
+                fclose(fh);
+                return -2;
+            }
+            next_line(fh);
+        }
+        n = fscanf(fh, "cpu%*d " DEC_64 " " DEC_64 " " DEC_64 " " DEC_64 "\n",
+           &userTicks, &niceTicks, &systemTicks, &idleTicks);
+    }
+
+    fclose(fh);
+    if (n != 4) {
+        return -2;
+    }
+
+    pticks->used       = userTicks + niceTicks;
+    pticks->usedKernel = systemTicks;
+    pticks->total      = userTicks + niceTicks + systemTicks + idleTicks;
+
+    return 0;
+}
+
+static int vread_statdata(const char *procfile, const char *fmt, va_list args) {
+    FILE    *f;
+    int     n;
+    char     buf[2048];
+
+    if ((f = fopen(procfile, "r")) == NULL) {
+        return -1;
+    }
+
+    if ((n = fread(buf, 1, sizeof(buf), f)) != -1) {
+    char *tmp;
+
+    buf[n-1] = '\0';
+    /** skip through pid and exec name. the exec name _could be wacky_ (renamed) and
+     *  make scanf go mupp.
+     */
+    if ((tmp = strrchr(buf, ')')) != NULL) {
+        // skip the ')' and the following space but check that the buffer is long enough
+        tmp += 2;
+        if (tmp < buf + n) {
+        n = vsscanf(tmp, fmt, args);
+        }
+    }
+    }
+
+    fclose(f);
+
+    return n;
+}
+
+static int read_statdata(const char *procfile, const char *fmt, ...) {
+    int       n;
+    va_list args;
+
+    va_start(args, fmt);
+    n = vread_statdata(procfile, fmt, args);
+    va_end(args);
+    return n;
+}
+
+/** read user and system ticks from a named procfile, assumed to be in 'stat' format then. */
+static int read_ticks(const char *procfile, uint64_t *userTicks, uint64_t *systemTicks) {
+    return read_statdata(procfile, "%*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u "DEC_64" "DEC_64,
+             userTicks, systemTicks
+             );
+}
+
+/**
+ * Return the number of ticks spent in any of the processes belonging
+ * to the JVM on any CPU.
+ */
+static int get_jvmticks(ticks *pticks) {
+    uint64_t userTicks;
+    uint64_t systemTicks;
+
+    if (read_ticks("/proc/self/stat", &userTicks, &systemTicks) < 0) {
+        return -1;
+    }
+
+    // get the total
+    if (get_totalticks(-1, pticks) < 0) {
+        return -1;
+    }
+
+    pticks->used       = userTicks;
+    pticks->usedKernel = systemTicks;
+
+    return 0;
+}
+
+/**
+ * This method must be called first, before any data can be gathererd.
+ */
+int perfInit() {
+    static int initialized=1;
+
+    if (!initialized) {
+        int  i;
+
+        int n = sysconf(_SC_NPROCESSORS_ONLN);
+        if (n <= 0) {
+            n = 1;
+        }
+
+        counters.cpus = calloc(n,sizeof(ticks));
+        if (counters.cpus != NULL)  {
+            // For the CPU load
+            get_totalticks(-1, &counters.cpuTicks);
+
+            for (i = 0; i < n; i++) {
+                get_totalticks(i, &counters.cpus[i]);
+            }
+            // For JVM load
+            get_jvmticks(&counters.jvmTicks);
+            initialized = 1;
+        }
+    }
+
+    return initialized ? 0 : -1;
+}
+
+#define MAX(a,b) (a>b?a:b)
+#define MIN(a,b) (a<b?a:b)
+
+static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+
+/**
+ * Return the load of the CPU as a double. 1.0 means the CPU process uses all
+ * available time for user or system processes, 0.0 means the CPU uses all time
+ * being idle.
+ *
+ * Returns a negative value if there is a problem in determining the CPU load.
+ */
+
+static double get_cpuload_internal(int which, double *pkernelLoad, CpuLoadTarget target) {
+    uint64_t udiff, kdiff, tdiff;
+    ticks *pticks, tmp;
+    double user_load = -1.0;
+    int failed = 0;
+
+    *pkernelLoad = 0.0;
+
+    pthread_mutex_lock(&lock);
+
+    if(perfInit() == 0) {
+
+        if (target == CPU_LOAD_VM_ONLY) {
+            pticks = &counters.jvmTicks;
+        } else if (which == -1) {
+            pticks = &counters.cpuTicks;
+        } else {
+            pticks = &counters.cpus[which];
+        }
+
+        tmp = *pticks;
+
+        if (target == CPU_LOAD_VM_ONLY) {
+            if (get_jvmticks(pticks) != 0) {
+                failed = 1;
+            }
+        } else if (get_totalticks(which, pticks) < 0) {
+            failed = 1;
+        }
+
+        if(!failed) {
+            // seems like we sometimes end up with less kernel ticks when
+            // reading /proc/self/stat a second time, timing issue between cpus?
+            if (pticks->usedKernel < tmp.usedKernel) {
+                kdiff = 0;
+            } else {
+                kdiff = pticks->usedKernel - tmp.usedKernel;
+            }
+            tdiff = pticks->total - tmp.total;
+            udiff = pticks->used - tmp.used;
+
+            if (tdiff == 0) {
+                user_load = 0;
+            } else {
+                if (tdiff < (udiff + kdiff)) {
+                    tdiff = udiff + kdiff;
+                }
+                *pkernelLoad = (kdiff / (double)tdiff);
+                // BUG9044876, normalize return values to sane values
+                *pkernelLoad = MAX(*pkernelLoad, 0.0);
+                *pkernelLoad = MIN(*pkernelLoad, 1.0);
+
+                user_load = (udiff / (double)tdiff);
+                user_load = MAX(user_load, 0.0);
+                user_load = MIN(user_load, 1.0);
+            }
+        }
+    }
+    pthread_mutex_unlock(&lock);
+    return user_load;
+}
+
+double get_cpu_load(int which) {
+    double u, s;
+    u = get_cpuload_internal(which, &s, CPU_LOAD_GLOBAL);
+    if (u < 0) {
+        return -1.0;
+    }
+    // Cap total systemload to 1.0
+    return MIN((u + s), 1.0);
+}
+
+double get_process_load() {
+    double u, s;
+    u = get_cpuload_internal(-1, &s, CPU_LOAD_VM_ONLY);
+    if (u < 0) {
+        return -1.0;
+    }
+    return u + s;
+}
+
+JNIEXPORT jdouble JNICALL
+Java_sun_management_OperatingSystemImpl_getSystemCpuLoad
+(JNIEnv *env, jobject dummy)
+{
+    if(perfInit() == 0) {
+        return get_cpu_load(-1);
+    } else {
+        return -1.0;
+    }
+}
+
+JNIEXPORT jdouble JNICALL
+Java_sun_management_OperatingSystemImpl_getProcessCpuLoad
+(JNIEnv *env, jobject dummy)
+{
+    if(perfInit() == 0) {
+        return get_process_load();
+    } else {
+        return -1.0;
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/native/sun/management/MacosxOperatingSystem.c	Fri Nov 08 12:13:02 2013 -0800
@@ -0,0 +1,160 @@
+/*
+ * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include "sun_management_OperatingSystemImpl.h"
+
+#include <sys/time.h>
+#include <mach/mach.h>
+#include <mach/task_info.h>
+
+
+JNIEXPORT jdouble JNICALL
+Java_sun_management_OperatingSystemImpl_getSystemCpuLoad
+(JNIEnv *env, jobject dummy)
+{
+    // This code is influenced by the darwin top source
+
+    kern_return_t kr;
+    mach_msg_type_number_t count;
+    host_cpu_load_info_data_t load;
+
+    static jlong last_used  = 0;
+    static jlong last_total = 0;
+
+    count = HOST_CPU_LOAD_INFO_COUNT;
+    kr = host_statistics(mach_host_self(), HOST_CPU_LOAD_INFO, (host_info_t)&load, &count);
+    if (kr != KERN_SUCCESS) {
+        return -1;
+    }
+
+    jlong used  = load.cpu_ticks[CPU_STATE_USER] + load.cpu_ticks[CPU_STATE_NICE] + load.cpu_ticks[CPU_STATE_SYSTEM];
+    jlong total = used + load.cpu_ticks[CPU_STATE_IDLE];
+
+    if (last_used == 0 || last_total == 0) {
+        // First call, just set the last values
+        last_used  = used;
+        last_total = total;
+        // return 0 since we have no data, not -1 which indicates error
+        return 0;
+    }
+
+    jlong used_delta  = used - last_used;
+    jlong total_delta = total - last_total;
+
+    jdouble cpu = (jdouble) used_delta / total_delta;
+
+    last_used  = used;
+    last_total = total;
+
+    return cpu;
+}
+
+
+#define TIME_VALUE_TO_TIMEVAL(a, r) do {  \
+     (r)->tv_sec = (a)->seconds;          \
+     (r)->tv_usec = (a)->microseconds;    \
+} while (0)
+
+
+#define TIME_VALUE_TO_MICROSECONDS(TV) \
+     ((TV).tv_sec * 1000 * 1000 + (TV).tv_usec)
+
+
+JNIEXPORT jdouble JNICALL
+Java_sun_management_OperatingSystemImpl_getProcessCpuLoad
+(JNIEnv *env, jobject dummy)
+{
+    // This code is influenced by the darwin top source
+
+    struct task_basic_info_64 task_info_data;
+    struct task_thread_times_info thread_info_data;
+    struct timeval user_timeval, system_timeval, task_timeval;
+    struct timeval now;
+    mach_port_t task = mach_task_self();
+    kern_return_t kr;
+
+    static jlong last_task_time = 0;
+    static jlong last_time      = 0;
+
+    mach_msg_type_number_t thread_info_count = TASK_THREAD_TIMES_INFO_COUNT;
+    kr = task_info(task,
+            TASK_THREAD_TIMES_INFO,
+            (task_info_t)&thread_info_data,
+            &thread_info_count);
+    if (kr != KERN_SUCCESS) {
+        // Most likely cause: |task| is a zombie.
+        return -1;
+    }
+
+    mach_msg_type_number_t count = TASK_BASIC_INFO_64_COUNT;
+    kr = task_info(task,
+            TASK_BASIC_INFO_64,
+            (task_info_t)&task_info_data,
+            &count);
+    if (kr != KERN_SUCCESS) {
+        // Most likely cause: |task| is a zombie.
+        return -1;
+    }
+
+    /* Set total_time. */
+    // thread info contains live time...
+    TIME_VALUE_TO_TIMEVAL(&thread_info_data.user_time, &user_timeval);
+    TIME_VALUE_TO_TIMEVAL(&thread_info_data.system_time, &system_timeval);
+    timeradd(&user_timeval, &system_timeval, &task_timeval);
+
+    // ... task info contains terminated time.
+    TIME_VALUE_TO_TIMEVAL(&task_info_data.user_time, &user_timeval);
+    TIME_VALUE_TO_TIMEVAL(&task_info_data.system_time, &system_timeval);
+    timeradd(&user_timeval, &task_timeval, &task_timeval);
+    timeradd(&system_timeval, &task_timeval, &task_timeval);
+
+    if (gettimeofday(&now, NULL) < 0) {
+       return -1;
+    }
+    jint ncpus      = JVM_ActiveProcessorCount();
+    jlong time      = TIME_VALUE_TO_MICROSECONDS(now) * ncpus;
+    jlong task_time = TIME_VALUE_TO_MICROSECONDS(task_timeval);
+
+    if ((last_task_time == 0) || (last_time == 0)) {
+        // First call, just set the last values.
+        last_task_time = task_time;
+        last_time      = time;
+        // return 0 since we have no data, not -1 which indicates error
+        return 0;
+    }
+
+    jlong task_time_delta = task_time - last_task_time;
+    jlong time_delta      = time - last_time;
+    if (time_delta == 0) {
+        return -1;
+    }
+
+    jdouble cpu = (jdouble) task_time_delta / time_delta;
+
+    last_task_time = task_time;
+    last_time      = time;
+
+    return cpu;
+ }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/native/sun/management/OperatingSystemImpl.c	Fri Nov 08 12:13:02 2013 -0800
@@ -0,0 +1,451 @@
+/*
+ * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include "jni.h"
+#include "jni_util.h"
+#include "jlong.h"
+#include "jvm.h"
+#include "management.h"
+#include "sun_management_OperatingSystemImpl.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#if defined(_ALLBSD_SOURCE)
+#include <sys/sysctl.h>
+#ifdef __APPLE__
+#include <sys/param.h>
+#include <sys/mount.h>
+#include <mach/mach.h>
+#include <sys/proc_info.h>
+#include <libproc.h>
+#endif
+#else
+#include <sys/swap.h>
+#endif
+#include <sys/resource.h>
+#include <sys/times.h>
+#ifndef _ALLBSD_SOURCE
+#include <sys/sysinfo.h>
+#endif
+#include <ctype.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+static jlong page_size = 0;
+
+#if defined(_ALLBSD_SOURCE)
+#define MB      (1024UL * 1024UL)
+#else
+
+/* This gets us the new structured proc interfaces of 5.6 & later */
+/* - see comment in <sys/procfs.h> */
+#define _STRUCTURED_PROC 1
+#include <sys/procfs.h>
+
+#endif /* _ALLBSD_SOURCE */
+
+static struct dirent* read_dir(DIR* dirp, struct dirent* entry) {
+#ifdef __solaris__
+    struct dirent* dbuf = readdir(dirp);
+    return dbuf;
+#else /* __linux__ || _ALLBSD_SOURCE */
+    struct dirent* p;
+    if (readdir_r(dirp, entry, &p) == 0) {
+        return p;
+    } else {
+        return NULL;
+    }
+#endif
+}
+
+// true = get available swap in bytes
+// false = get total swap in bytes
+static jlong get_total_or_available_swap_space_size(JNIEnv* env, jboolean available) {
+#ifdef __solaris__
+    long total, avail;
+    int nswap, i, count;
+    swaptbl_t *stbl;
+    char *strtab;
+
+    // First get the number of swap resource entries
+    if ((nswap = swapctl(SC_GETNSWP, NULL)) == -1) {
+        throw_internal_error(env, "swapctl failed to get nswap");
+        return -1;
+    }
+    if (nswap == 0) {
+        return 0;
+    }
+
+    // Allocate storage for resource entries
+    stbl = (swaptbl_t*) malloc(nswap * sizeof(swapent_t) +
+                               sizeof(struct swaptable));
+    if (stbl == NULL) {
+        JNU_ThrowOutOfMemoryError(env, 0);
+        return -1;
+    }
+
+    // Allocate storage for the table
+    strtab = (char*) malloc((nswap + 1) * MAXPATHLEN);
+    if (strtab == NULL) {
+        free(stbl);
+        JNU_ThrowOutOfMemoryError(env, 0);
+        return -1;
+    }
+
+    for (i = 0; i < (nswap + 1); i++) {
+      stbl->swt_ent[i].ste_path = strtab + (i * MAXPATHLEN);
+    }
+    stbl->swt_n = nswap + 1;
+
+    // Get the entries
+    if ((count = swapctl(SC_LIST, stbl)) < 0) {
+        free(stbl);
+        free(strtab);
+        throw_internal_error(env, "swapctl failed to get swap list");
+        return -1;
+    }
+
+    // Sum the entries to get total and free swap
+    total = 0;
+    avail = 0;
+    for (i = 0; i < count; i++) {
+      total += stbl->swt_ent[i].ste_pages;
+      avail += stbl->swt_ent[i].ste_free;
+    }
+
+    free(stbl);
+    free(strtab);
+    return available ? ((jlong)avail * page_size) :
+                       ((jlong)total * page_size);
+#elif defined(__linux__)
+    int ret;
+    FILE *fp;
+    jlong total = 0, avail = 0;
+
+    struct sysinfo si;
+    ret = sysinfo(&si);
+    if (ret != 0) {
+        throw_internal_error(env, "sysinfo failed to get swap size");
+    }
+    total = (jlong)si.totalswap * si.mem_unit;
+    avail = (jlong)si.freeswap * si.mem_unit;
+
+    return available ? avail : total;
+#elif defined(__APPLE__)
+    struct xsw_usage vmusage;
+    size_t size = sizeof(vmusage);
+    if (sysctlbyname("vm.swapusage", &vmusage, &size, NULL, 0) != 0) {
+        throw_internal_error(env, "sysctlbyname failed");
+    }
+    return available ? (jlong)vmusage.xsu_avail : (jlong)vmusage.xsu_total;
+#else /* _ALLBSD_SOURCE */
+    /*
+     * XXXBSD: there's no way available to get swap info in
+     *         FreeBSD.  Usage of libkvm is not an option here
+     */
+    // throw_internal_error(env, "Unimplemented in FreeBSD");
+    return (0);
+#endif
+}
+
+JNIEXPORT void JNICALL
+Java_sun_management_OperatingSystemImpl_initialize
+  (JNIEnv *env, jclass cls)
+{
+    page_size = sysconf(_SC_PAGESIZE);
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getCommittedVirtualMemorySize
+  (JNIEnv *env, jobject mbean)
+{
+#ifdef __solaris__
+    psinfo_t psinfo;
+    ssize_t result;
+    size_t remaining;
+    char* addr;
+    int fd;
+
+    fd = JVM_Open("/proc/self/psinfo", O_RDONLY, 0);
+    if (fd < 0) {
+        throw_internal_error(env, "Unable to open /proc/self/psinfo");
+        return -1;
+    }
+
+    addr = (char *)&psinfo;
+    for (remaining = sizeof(psinfo_t); remaining > 0;) {
+        result = JVM_Read(fd, addr, remaining);
+        if (result < 0) {
+            JVM_Close(fd);
+            throw_internal_error(env, "Unable to read /proc/self/psinfo");
+            return -1;
+        }
+        remaining -= result;
+        addr += result;
+    }
+
+    JVM_Close(fd);
+    return (jlong) psinfo.pr_size * 1024;
+#elif defined(__linux__)
+    FILE *fp;
+    unsigned long vsize = 0;
+
+    if ((fp = fopen("/proc/self/stat", "r")) == NULL) {
+        throw_internal_error(env, "Unable to open /proc/self/stat");
+        return -1;
+    }
+
+    // Ignore everything except the vsize entry
+    if (fscanf(fp, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %*d %*d %*d %*d %*d %*d %*u %*u %*d %lu %*[^\n]\n", &vsize) == EOF) {
+        throw_internal_error(env, "Unable to get virtual memory usage");
+        fclose(fp);
+        return -1;
+    }
+
+    fclose(fp);
+    return (jlong)vsize;
+#elif defined(__APPLE__)
+    struct task_basic_info t_info;
+    mach_msg_type_number_t t_info_count = TASK_BASIC_INFO_COUNT;
+
+    kern_return_t res = task_info(mach_task_self(), TASK_BASIC_INFO, (task_info_t)&t_info, &t_info_count);
+    if (res != KERN_SUCCESS) {
+        throw_internal_error(env, "task_info failed");
+    }
+    return t_info.virtual_size;
+#else /* _ALLBSD_SOURCE */
+    /*
+     * XXXBSD: there's no way available to do it in FreeBSD, AFAIK.
+     */
+    // throw_internal_error(env, "Unimplemented in FreeBSD");
+    return (64 * MB);
+#endif
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getTotalSwapSpaceSize
+  (JNIEnv *env, jobject mbean)
+{
+    return get_total_or_available_swap_space_size(env, JNI_FALSE);
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getFreeSwapSpaceSize
+  (JNIEnv *env, jobject mbean)
+{
+    return get_total_or_available_swap_space_size(env, JNI_TRUE);
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getProcessCpuTime
+  (JNIEnv *env, jobject mbean)
+{
+#ifdef __APPLE__
+    struct rusage usage;
+    if (getrusage(RUSAGE_SELF, &usage) != 0) {
+        throw_internal_error(env, "getrusage failed");
+        return -1;
+    }
+    jlong microsecs =
+        usage.ru_utime.tv_sec * 1000 * 1000 + usage.ru_utime.tv_usec +
+        usage.ru_stime.tv_sec * 1000 * 1000 + usage.ru_stime.tv_usec;
+    return microsecs * 1000;
+#else
+    jlong clk_tck, ns_per_clock_tick;
+    jlong cpu_time_ns;
+    struct tms time;
+
+    /*
+     * BSDNOTE: FreeBSD implements _SC_CLK_TCK since FreeBSD 5, so
+     *          add a magic to handle it
+     */
+#if defined(__solaris__) || defined(_SC_CLK_TCK)
+    clk_tck = (jlong) sysconf(_SC_CLK_TCK);
+#elif defined(__linux__) || defined(_ALLBSD_SOURCE)
+    clk_tck = 100;
+#endif
+    if (clk_tck == -1) {
+        throw_internal_error(env,
+                             "sysconf failed - not able to get clock tick");
+        return -1;
+    }
+
+    times(&time);
+    ns_per_clock_tick = (jlong) 1000 * 1000 * 1000 / (jlong) clk_tck;
+    cpu_time_ns = ((jlong)time.tms_utime + (jlong) time.tms_stime) *
+                      ns_per_clock_tick;
+    return cpu_time_ns;
+#endif
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getFreePhysicalMemorySize
+  (JNIEnv *env, jobject mbean)
+{
+#ifdef __APPLE__
+    mach_msg_type_number_t count;
+    vm_statistics_data_t vm_stats;
+    kern_return_t res;
+
+    count = HOST_VM_INFO_COUNT;
+    res = host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&vm_stats, &count);
+    if (res != KERN_SUCCESS) {
+        throw_internal_error(env, "host_statistics failed");
+        return -1;
+    }
+    return (jlong)vm_stats.free_count * page_size;
+#elif defined(_ALLBSD_SOURCE)
+    /*
+     * XXBSDL no way to do it in FreeBSD
+     */
+    // throw_internal_error(env, "unimplemented in FreeBSD")
+    return (128 * MB);
+#else // solaris / linux
+    jlong num_avail_physical_pages = sysconf(_SC_AVPHYS_PAGES);
+    return (num_avail_physical_pages * page_size);
+#endif
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getTotalPhysicalMemorySize
+  (JNIEnv *env, jobject mbean)
+{
+#ifdef _ALLBSD_SOURCE
+    jlong result = 0;
+    int mib[2];
+    size_t rlen;
+
+    mib[0] = CTL_HW;
+    mib[1] = HW_MEMSIZE;
+    rlen = sizeof(result);
+    if (sysctl(mib, 2, &result, &rlen, NULL, 0) != 0) {
+        throw_internal_error(env, "sysctl failed");
+        return -1;
+    }
+    return result;
+#else // solaris / linux
+    jlong num_physical_pages = sysconf(_SC_PHYS_PAGES);
+    return (num_physical_pages * page_size);
+#endif
+}
+
+
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getOpenFileDescriptorCount
+  (JNIEnv *env, jobject mbean)
+{
+#ifdef __APPLE__
+    // This code is influenced by the darwin lsof source
+    pid_t my_pid;
+    struct proc_bsdinfo bsdinfo;
+    struct proc_fdinfo *fds;
+    int nfiles;
+    kern_return_t kres;
+    int res;
+    size_t fds_size;
+
+    kres = pid_for_task(mach_task_self(), &my_pid);
+    if (kres != KERN_SUCCESS) {
+        throw_internal_error(env, "pid_for_task failed");
+        return -1;
+    }
+
+    // get the maximum number of file descriptors
+    res = proc_pidinfo(my_pid, PROC_PIDTBSDINFO, 0, &bsdinfo, PROC_PIDTBSDINFO_SIZE);
+    if (res <= 0) {
+        throw_internal_error(env, "proc_pidinfo with PROC_PIDTBSDINFO failed");
+        return -1;
+    }
+
+    // allocate memory to hold the fd information (we don't acutally use this information
+    // but need it to get the number of open files)
+    fds_size = bsdinfo.pbi_nfiles * sizeof(struct proc_fdinfo);
+    fds = malloc(fds_size);
+    if (fds == NULL) {
+        JNU_ThrowOutOfMemoryError(env, "could not allocate space for file descriptors");
+        return -1;
+    }
+
+    // get the list of open files - the return value is the number of bytes
+    // proc_pidinfo filled in
+    res = proc_pidinfo(my_pid, PROC_PIDLISTFDS, 0, fds, fds_size);
+    if (res <= 0) {
+        free(fds);
+        throw_internal_error(env, "proc_pidinfo failed for PROC_PIDLISTFDS");
+        return -1;
+    }
+    nfiles = res / sizeof(struct proc_fdinfo);
+    free(fds);
+
+    return nfiles;
+#elif defined(_ALLBSD_SOURCE)
+    /*
+     * XXXBSD: there's no way available to do it in FreeBSD, AFAIK.
+     */
+    // throw_internal_error(env, "Unimplemented in FreeBSD");
+    return (100);
+#else /* solaris/linux */
+    DIR *dirp;
+    struct dirent dbuf;
+    struct dirent* dentp;
+    jlong fds = 0;
+
+    dirp = opendir("/proc/self/fd");
+    if (dirp == NULL) {
+        throw_internal_error(env, "Unable to open directory /proc/self/fd");
+        return -1;
+    }
+
+    // iterate through directory entries, skipping '.' and '..'
+    // each entry represents an open file descriptor.
+    while ((dentp = read_dir(dirp, &dbuf)) != NULL) {
+        if (isdigit(dentp->d_name[0])) {
+            fds++;
+        }
+    }
+
+    closedir(dirp);
+    // subtract by 1 which was the fd open for this implementation
+    return (fds - 1);
+#endif
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getMaxFileDescriptorCount
+  (JNIEnv *env, jobject mbean)
+{
+    struct rlimit rlp;
+
+    if (getrlimit(RLIMIT_NOFILE, &rlp) == -1) {
+        throw_internal_error(env, "getrlimit failed");
+        return -1;
+    }
+    return (jlong) rlp.rlim_cur;
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/native/sun/management/SolarisOperatingSystem.c	Fri Nov 08 12:13:02 2013 -0800
@@ -0,0 +1,241 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <fcntl.h>
+#include <kstat.h>
+#include <procfs.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/sysinfo.h>
+#include <sys/lwp.h>
+#include <pthread.h>
+#include <utmpx.h>
+#include <dlfcn.h>
+#include <sys/loadavg.h>
+#include <jni.h>
+#include "jvm.h"
+#include "sun_management_OperatingSystemImpl.h"
+
+typedef struct {
+    kstat_t *kstat;
+    uint64_t  last_idle;
+    uint64_t  last_total;
+    double  last_ratio;
+} cpuload_t;
+
+static cpuload_t   *cpu_loads = NULL;
+static unsigned int num_cpus;
+static kstat_ctl_t *kstat_ctrl = NULL;
+
+static void map_cpu_kstat_counters() {
+    kstat_t     *kstat;
+    int          i;
+
+    // Get number of CPU(s)
+    if ((num_cpus = sysconf(_SC_NPROCESSORS_ONLN)) == -1) {
+        num_cpus = 1;
+    }
+
+    // Data structure for saving CPU load
+    if ((cpu_loads = calloc(num_cpus,sizeof(cpuload_t))) == NULL) {
+        return;
+    }
+
+    // Get kstat cpu_stat counters for every CPU
+    // (loop over kstat to find our cpu_stat(s)
+    i = 0;
+    for (kstat = kstat_ctrl->kc_chain; kstat != NULL; kstat = kstat->ks_next) {
+        if (strncmp(kstat->ks_module, "cpu_stat", 8) == 0) {
+
+            if (kstat_read(kstat_ctrl, kstat, NULL) == -1) {
+            // Failed to initialize kstat for this CPU so ignore it
+            continue;
+            }
+
+            if (i == num_cpus) {
+            // Found more cpu_stats than reported CPUs
+            break;
+            }
+
+            cpu_loads[i++].kstat = kstat;
+        }
+    }
+}
+
+static int init_cpu_kstat_counters() {
+    static int initialized = 0;
+
+    // Concurrence in this method is prevented by the lock in
+    // the calling method get_cpu_load();
+    if(!initialized) {
+        if ((kstat_ctrl = kstat_open()) != NULL) {
+            map_cpu_kstat_counters();
+            initialized = 1;
+        }
+    }
+    return initialized ? 0 : -1;
+}
+
+static void update_cpu_kstat_counters() {
+    if(kstat_chain_update(kstat_ctrl) != 0) {
+        free(cpu_loads);
+        map_cpu_kstat_counters();
+    }
+}
+
+int read_cpustat(cpuload_t *load, cpu_stat_t *cpu_stat) {
+    if (load->kstat == NULL) {
+        // no handle.
+        return -1;
+    }
+    if (kstat_read(kstat_ctrl, load->kstat, cpu_stat) == -1) {
+        //  disabling for now, a kstat chain update is likely to happen next time
+        load->kstat = NULL;
+        return -1;
+    }
+    return 0;
+}
+
+double get_single_cpu_load(unsigned int n) {
+    cpuload_t  *load;
+    cpu_stat_t  cpu_stat;
+    uint_t     *usage;
+    uint64_t          c_idle;
+    uint64_t          c_total;
+    uint64_t          d_idle;
+    uint64_t          d_total;
+    int           i;
+
+    if (n >= num_cpus) {
+        return -1.0;
+    }
+
+    load = &cpu_loads[n];
+    if (read_cpustat(load, &cpu_stat) < 0) {
+        return -1.0;
+    }
+
+    usage   = cpu_stat.cpu_sysinfo.cpu;
+    c_idle  = usage[CPU_IDLE];
+
+    for (c_total = 0, i = 0; i < CPU_STATES; i++) {
+        c_total += usage[i];
+    }
+
+    // Calculate diff against previous snapshot
+    d_idle  = c_idle - load->last_idle;
+    d_total = c_total - load->last_total;
+
+    /** update if weve moved */
+    if (d_total > 0) {
+        // Save current values for next time around
+        load->last_idle  = c_idle;
+        load->last_total = c_total;
+        load->last_ratio = (double) (d_total - d_idle) / d_total;
+    }
+
+    return load->last_ratio;
+}
+
+int get_info(const char *path, void *info, size_t s, off_t o) {
+    int fd;
+    int ret = 0;
+    if ((fd = open(path, O_RDONLY)) < 0) {
+        return -1;
+    }
+    if (pread(fd, info, s, o) != s) {
+        ret = -1;
+    }
+    close(fd);
+    return ret;
+}
+
+#define MIN(a, b)           ((a < b) ? a : b)
+
+static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+
+/**
+ * Return the cpu load (0-1) for proc number 'which' (or average all if which == -1)
+ */
+double  get_cpu_load(int which) {
+    double load =.0;
+
+    pthread_mutex_lock(&lock);
+    if(init_cpu_kstat_counters()==0) {
+
+        update_cpu_kstat_counters();
+
+        if (which == -1) {
+            unsigned int i;
+            double       t;
+
+            for (t = .0, i = 0; i < num_cpus; i++) {
+                t += get_single_cpu_load(i);
+            }
+
+            // Cap total systemload to 1.0
+            load = MIN((t / num_cpus), 1.0);
+        } else {
+            load = MIN(get_single_cpu_load(which), 1.0);
+        }
+    } else {
+        load = -1.0;
+    }
+    pthread_mutex_unlock(&lock);
+
+    return load;
+}
+
+/**
+ * Return the cpu load (0-1) for the current process (i.e the JVM)
+ * or -1.0 if the get_info() call failed
+ */
+double get_process_load(void) {
+    psinfo_t info;
+
+    // Get the percentage of "recent cpu usage" from all the lwp:s in the JVM:s
+    // process. This is returned as a value between 0.0 and 1.0 multiplied by 0x8000.
+    if (get_info("/proc/self/psinfo",&info.pr_pctcpu, sizeof(info.pr_pctcpu), offsetof(psinfo_t, pr_pctcpu)) == 0) {
+        return (double) info.pr_pctcpu / 0x8000;
+    }
+    return -1.0;
+}
+
+JNIEXPORT jdouble JNICALL
+Java_sun_management_OperatingSystemImpl_getSystemCpuLoad
+(JNIEnv *env, jobject dummy)
+{
+    return get_cpu_load(-1);
+}
+
+JNIEXPORT jdouble JNICALL
+Java_sun_management_OperatingSystemImpl_getProcessCpuLoad
+(JNIEnv *env, jobject dummy)
+{
+    return get_process_load();
+}
+
--- a/jdk/src/windows/classes/com/sun/management/OSMBeanFactory.java	Fri Nov 08 18:54:29 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,52 +0,0 @@
-/*
- * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.management;
-
-import java.lang.management.OperatingSystemMXBean;
-import sun.management.VMManagement;
-
-/**
- * Operating system dependent MBean factory.
- * <p>
- * <b>WARNING:</b> While this class is public, it should not be treated as
- * public API and its API may change in incompatable ways between dot dot
- * releases and even patch releases. You should not rely on this class.
- */
-public class OSMBeanFactory {
-    /* static factory class */
-    private OSMBeanFactory() {};
-
-    private static OperatingSystem osMBean = null;
-
-    public static synchronized OperatingSystemMXBean
-        getOperatingSystemMXBean(VMManagement jvm) {
-
-        if (osMBean == null) {
-            osMBean = new OperatingSystem(jvm);
-        }
-        return (OperatingSystemMXBean) osMBean;
-    }
-}
--- a/jdk/src/windows/classes/com/sun/management/OperatingSystem.java	Fri Nov 08 18:54:29 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,68 +0,0 @@
-/*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.management;
-
-import sun.management.VMManagement;
-
-/**
- * Implementation class for the operating system.
- * Standard and committed hotspot-specific metrics if any.
- *
- * ManagementFactory.getOperatingSystemMXBean() returns an instance
- * of this class.
- */
-class OperatingSystem
-    extends    sun.management.OperatingSystemImpl
-    implements OperatingSystemMXBean {
-
-    // psapiLock is a lock to make sure only one thread loading
-    // PSAPI DLL.
-    private static Object psapiLock = new Object();
-
-    OperatingSystem(VMManagement vm) {
-        super(vm);
-    }
-
-    public long getCommittedVirtualMemorySize() {
-        synchronized (psapiLock) {
-            return getCommittedVirtualMemorySize0();
-        }
-    }
-    private native long getCommittedVirtualMemorySize0();
-
-    public native long getTotalSwapSpaceSize();
-    public native long getFreeSwapSpaceSize();
-    public native long getProcessCpuTime();
-    public native long getFreePhysicalMemorySize();
-    public native long getTotalPhysicalMemorySize();
-    public native double getSystemCpuLoad();
-    public native double getProcessCpuLoad();
-
-    static {
-        initialize();
-    }
-    private static native void initialize();
-}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/windows/classes/sun/management/OperatingSystemImpl.java	Fri Nov 08 12:13:02 2013 -0800
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.management;
+
+import java.lang.management.OperatingSystemMXBean;
+
+/**
+ * Implementation class for the operating system.
+ * Standard and committed hotspot-specific metrics if any.
+ *
+ * ManagementFactory.getOperatingSystemMXBean() returns an instance
+ * of this class.
+ */
+class OperatingSystemImpl extends BaseOperatingSystemImpl
+    implements OperatingSystemMXBean {
+
+    // psapiLock is a lock to make sure only one thread loading
+    // PSAPI DLL.
+    private static Object psapiLock = new Object();
+
+    OperatingSystemImpl(VMManagement vm) {
+        super(vm);
+    }
+
+    public long getCommittedVirtualMemorySize() {
+        synchronized (psapiLock) {
+            return getCommittedVirtualMemorySize0();
+        }
+    }
+    private native long getCommittedVirtualMemorySize0();
+
+    public native long getTotalSwapSpaceSize();
+    public native long getFreeSwapSpaceSize();
+    public native long getProcessCpuTime();
+    public native long getFreePhysicalMemorySize();
+    public native long getTotalPhysicalMemorySize();
+    public native double getSystemCpuLoad();
+    public native double getProcessCpuLoad();
+
+    static {
+        initialize();
+    }
+    private static native void initialize();
+}
--- a/jdk/src/windows/native/com/sun/management/OperatingSystem_md.c	Fri Nov 08 18:54:29 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,941 +0,0 @@
-/*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include "jni.h"
-#include "jni_util.h"
-#include "jlong.h"
-#include "jvm.h"
-#include "management.h"
-#include "com_sun_management_OperatingSystem.h"
-
-#include <psapi.h>
-#include <errno.h>
-#include <stdlib.h>
-
-#include <malloc.h>
-#pragma warning (push,0)
-#include <windows.h>
-#pragma warning (pop)
-#include <stdio.h>
-#include <time.h>
-#include <stdint.h>
-#include <assert.h>
-
-/* Disable warnings due to broken header files from Microsoft... */
-#pragma warning(push, 3)
-#include <pdh.h>
-#include <pdhmsg.h>
-#include <process.h>
-#pragma warning(pop)
-
-typedef unsigned __int32 juint;
-typedef unsigned __int64 julong;
-
-typedef enum boolean_values { false=0, true=1};
-
-static void set_low(jlong* value, jint low) {
-    *value &= (jlong)0xffffffff << 32;
-    *value |= (jlong)(julong)(juint)low;
-}
-
-static void set_high(jlong* value, jint high) {
-    *value &= (jlong)(julong)(juint)0xffffffff;
-    *value |= (jlong)high       << 32;
-}
-
-static jlong jlong_from(jint h, jint l) {
-  jlong result = 0; // initialization to avoid warning
-  set_high(&result, h);
-  set_low(&result,  l);
-  return result;
-}
-
-static HANDLE main_process;
-
-int perfiInit(void);
-
-JNIEXPORT void JNICALL
-Java_com_sun_management_OperatingSystem_initialize
-  (JNIEnv *env, jclass cls)
-{
-    main_process = GetCurrentProcess();
-     perfiInit();
-}
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_OperatingSystem_getCommittedVirtualMemorySize0
-  (JNIEnv *env, jobject mbean)
-{
-    PROCESS_MEMORY_COUNTERS pmc;
-    if (GetProcessMemoryInfo(main_process, &pmc, sizeof(PROCESS_MEMORY_COUNTERS)) == 0) {
-        return (jlong)-1L;
-    } else {
-        return (jlong) pmc.PagefileUsage;
-    }
-}
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_OperatingSystem_getTotalSwapSpaceSize
-  (JNIEnv *env, jobject mbean)
-{
-    MEMORYSTATUSEX ms;
-    ms.dwLength = sizeof(ms);
-    GlobalMemoryStatusEx(&ms);
-    return (jlong) ms.ullTotalPageFile;
-}
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_OperatingSystem_getFreeSwapSpaceSize
-  (JNIEnv *env, jobject mbean)
-{
-    MEMORYSTATUSEX ms;
-    ms.dwLength = sizeof(ms);
-    GlobalMemoryStatusEx(&ms);
-    return (jlong) ms.ullAvailPageFile;
-}
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_OperatingSystem_getProcessCpuTime
-  (JNIEnv *env, jobject mbean)
-{
-
-    FILETIME process_creation_time, process_exit_time,
-             process_user_time, process_kernel_time;
-
-    // Using static variables declared above
-    // Units are 100-ns intervals.  Convert to ns.
-    GetProcessTimes(main_process, &process_creation_time,
-                    &process_exit_time,
-                    &process_kernel_time, &process_user_time);
-    return (jlong_from(process_user_time.dwHighDateTime,
-                        process_user_time.dwLowDateTime) +
-            jlong_from(process_kernel_time.dwHighDateTime,
-                        process_kernel_time.dwLowDateTime)) * 100;
-}
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_OperatingSystem_getFreePhysicalMemorySize
-  (JNIEnv *env, jobject mbean)
-{
-    MEMORYSTATUSEX ms;
-    ms.dwLength = sizeof(ms);
-    GlobalMemoryStatusEx(&ms);
-    return (jlong) ms.ullAvailPhys;
-}
-
-JNIEXPORT jlong JNICALL
-Java_com_sun_management_OperatingSystem_getTotalPhysicalMemorySize
-  (JNIEnv *env, jobject mbean)
-{
-    MEMORYSTATUSEX ms;
-    ms.dwLength = sizeof(ms);
-    GlobalMemoryStatusEx(&ms);
-    return (jlong) ms.ullTotalPhys;
-}
-
-// Seems WinXP PDH returns PDH_MORE_DATA whenever we send in a NULL buffer.
-// Let's just ignore it, since we make sure we have enough buffer anyway.
-static int
-pdh_fail(PDH_STATUS pdhStat) {
-    return pdhStat != ERROR_SUCCESS && pdhStat != PDH_MORE_DATA;
-}
-
-// INFO: Using PDH APIs Correctly in a Localized Language (Q287159)
-//       http://support.microsoft.com/default.aspx?scid=kb;EN-US;q287159
-// The index value for the base system counters and objects like processor,
-// process, thread, memory, and so forth are always the same irrespective
-// of the localized version of the operating system or service pack installed.
-#define PDH_PROCESSOR_IDX        ((DWORD) 238)
-#define PDH_PROCESSOR_TIME_IDX        ((DWORD)   6)
-#define PDH_PRIV_PROCESSOR_TIME_IDX ((DWORD) 144)
-#define PDH_PROCESS_IDX            ((DWORD) 230)
-#define PDH_ID_PROCESS_IDX        ((DWORD) 784)
-#define PDH_CONTEXT_SWITCH_RATE_IDX ((DWORD) 146)
-#define PDH_SYSTEM_IDX            ((DWORD)   2)
-#define PDH_VIRTUAL_BYTES_IDX        ((DWORD) 174)
-
-typedef PDH_STATUS (WINAPI *PdhAddCounterFunc)(
-                           HQUERY      hQuery,
-                           LPCSTR      szFullCounterPath,
-                           DWORD       dwUserData,
-                           HCOUNTER    *phCounter
-                           );
-typedef PDH_STATUS (WINAPI *PdhOpenQueryFunc)(
-                          LPCWSTR     szDataSource,
-                          DWORD       dwUserData,
-                          HQUERY      *phQuery
-                          );
-typedef DWORD (WINAPI *PdhCloseQueryFunc)(
-                      HQUERY      hQuery
-                      );
-typedef PDH_STATUS (WINAPI *PdhCollectQueryDataFunc)(
-                             HQUERY      hQuery
-                             );
-typedef DWORD (WINAPI *PdhGetFormattedCounterValueFunc)(
-                            HCOUNTER                hCounter,
-                            DWORD                   dwFormat,
-                            LPDWORD                 lpdwType,
-                            PPDH_FMT_COUNTERVALUE   pValue
-                            );
-typedef PDH_STATUS (WINAPI *PdhEnumObjectItemsFunc)(
-                            LPCTSTR    szDataSource,
-                            LPCTSTR    szMachineName,
-                            LPCTSTR    szObjectName,
-                            LPTSTR     mszCounterList,
-                            LPDWORD    pcchCounterListLength,
-                            LPTSTR     mszInstanceList,
-                            LPDWORD    pcchInstanceListLength,
-                            DWORD      dwDetailLevel,
-                            DWORD      dwFlags
-                            );
-typedef PDH_STATUS (WINAPI *PdhRemoveCounterFunc)(
-                          HCOUNTER  hCounter
-                          );
-typedef PDH_STATUS (WINAPI *PdhLookupPerfNameByIndexFunc)(
-                              LPCSTR  szMachineName,
-                              DWORD   dwNameIndex,
-                              LPSTR   szNameBuffer,
-                              LPDWORD pcchNameBufferSize
-                              );
-typedef PDH_STATUS (WINAPI *PdhMakeCounterPathFunc)(
-                            PDH_COUNTER_PATH_ELEMENTS *pCounterPathElements,
-                            LPTSTR szFullPathBuffer,
-                            LPDWORD pcchBufferSize,
-                            DWORD dwFlags
-                            );
-
-static PdhAddCounterFunc PdhAddCounter_i;
-static PdhOpenQueryFunc PdhOpenQuery_i;
-static PdhCloseQueryFunc PdhCloseQuery_i;
-static PdhCollectQueryDataFunc PdhCollectQueryData_i;
-static PdhGetFormattedCounterValueFunc PdhGetFormattedCounterValue_i;
-static PdhEnumObjectItemsFunc PdhEnumObjectItems_i;
-static PdhRemoveCounterFunc PdhRemoveCounter_i;
-static PdhLookupPerfNameByIndexFunc PdhLookupPerfNameByIndex_i;
-static PdhMakeCounterPathFunc PdhMakeCounterPath_i;
-
-static HANDLE thisProcess;
-static double cpuFactor;
-static DWORD  num_cpus;
-
-#define FT2JLONG(X)  ((((jlong)X.dwHighDateTime) << 32) | ((jlong)X.dwLowDateTime))
-#define COUNTER_BUF_SIZE 256
-// Min time between query updates.
-#define MIN_UPDATE_INTERVAL 500
-#define CONFIG_SUCCESSFUL 0
-
-/**
- * Struct for PDH queries.
- */
-typedef struct {
-    HQUERY      query;
-    uint64_t      lastUpdate; // Last time query was updated (current millis).
-} UpdateQueryS, *UpdateQueryP;
-
-/**
- * Struct for the processor load counters.
- */
-typedef struct {
-    UpdateQueryS      query;
-    HCOUNTER*      counters;
-    int          noOfCounters;
-} MultipleCounterQueryS, *MultipleCounterQueryP;
-
-/**
- * Struct for the jvm process load counter.
- */
-typedef struct {
-    UpdateQueryS      query;
-    HCOUNTER      counter;
-} SingleCounterQueryS, *SingleCounterQueryP;
-
-static char* getProcessPDHHeader(void);
-
-/**
- * Currently available counters.
- */
-static SingleCounterQueryS cntCtxtSwitchRate;
-static SingleCounterQueryS cntVirtualSize;
-static SingleCounterQueryS cntProcLoad;
-static SingleCounterQueryS cntProcSystemLoad;
-static MultipleCounterQueryS multiCounterCPULoad;
-
-static CRITICAL_SECTION processHeaderLock;
-static CRITICAL_SECTION initializationLock;
-
-/**
- * Initialize the perf module at startup.
- */
-int
-perfiInit(void)
-{
-    InitializeCriticalSection(&processHeaderLock);
-    InitializeCriticalSection(&initializationLock);
-    return 0;
-}
-
-/**
- * Dynamically sets up function pointers to the PDH library.
- *
- * @return CONFIG_SUCCESSFUL on success, negative on failure.
- */
-static int
-get_functions(HMODULE h, char *ebuf, size_t elen) {
-    // The 'A' at the end means the ANSI (not the UNICODE) vesions of the methods
-    PdhAddCounter_i         = (PdhAddCounterFunc)GetProcAddress(h, "PdhAddCounterA");
-    PdhOpenQuery_i         = (PdhOpenQueryFunc)GetProcAddress(h, "PdhOpenQueryA");
-    PdhCloseQuery_i         = (PdhCloseQueryFunc)GetProcAddress(h, "PdhCloseQuery");
-    PdhCollectQueryData_i     = (PdhCollectQueryDataFunc)GetProcAddress(h, "PdhCollectQueryData");
-    PdhGetFormattedCounterValue_i = (PdhGetFormattedCounterValueFunc)GetProcAddress(h, "PdhGetFormattedCounterValue");
-    PdhEnumObjectItems_i         = (PdhEnumObjectItemsFunc)GetProcAddress(h, "PdhEnumObjectItemsA");
-    PdhRemoveCounter_i         = (PdhRemoveCounterFunc)GetProcAddress(h, "PdhRemoveCounter");
-    PdhLookupPerfNameByIndex_i     = (PdhLookupPerfNameByIndexFunc)GetProcAddress(h, "PdhLookupPerfNameByIndexA");
-    PdhMakeCounterPath_i         = (PdhMakeCounterPathFunc)GetProcAddress(h, "PdhMakeCounterPathA");
-
-    if (PdhAddCounter_i == NULL || PdhOpenQuery_i == NULL ||
-    PdhCloseQuery_i == NULL || PdhCollectQueryData_i == NULL ||
-    PdhGetFormattedCounterValue_i == NULL || PdhEnumObjectItems_i == NULL ||
-    PdhRemoveCounter_i == NULL || PdhLookupPerfNameByIndex_i == NULL || PdhMakeCounterPath_i == NULL)
-    {
-        _snprintf(ebuf, elen, "Required method could not be found.");
-        return -1;
-    }
-    return CONFIG_SUCCESSFUL;
-}
-
-/**
- * Returns the counter value as a double for the specified query.
- * Will collect the query data and update the counter values as necessary.
- *
- * @param query       the query to update (if needed).
- * @param c          the counter to read.
- * @param value       where to store the formatted value.
- * @param format      the format to use (i.e. PDH_FMT_DOUBLE, PDH_FMT_LONG etc)
- * @return            CONFIG_SUCCESSFUL if no error
- *                    -1 if PdhCollectQueryData fails
- *                    -2 if PdhGetFormattedCounterValue fails
- */
-static int
-getPerformanceData(UpdateQueryP query, HCOUNTER c, PDH_FMT_COUNTERVALUE* value, DWORD format) {
-    clock_t now;
-    now = clock();
-
-    // Need to limit how often we update the query
-    // to mimise the heisenberg effect.
-    // (PDH behaves erratically if the counters are
-    // queried too often, especially counters that
-    // store and use values from two consecutive updates,
-    // like cpu load.)
-    if (now - query->lastUpdate > MIN_UPDATE_INTERVAL) {
-        if (PdhCollectQueryData_i(query->query) != ERROR_SUCCESS) {
-            return -1;
-        }
-        query->lastUpdate = now;
-    }
-
-    if (PdhGetFormattedCounterValue_i(c, format, NULL, value) != ERROR_SUCCESS) {
-        return -2;
-    }
-    return CONFIG_SUCCESSFUL;
-}
-
-/**
- * Places the resolved counter name of the counter at the specified index in the
- * supplied buffer. There must be enough space in the buffer to hold the counter name.
- *
- * @param index   the counter index as specified in the registry.
- * @param buf     the buffer in which to place the counter name.
- * @param size      the size of the counter name buffer.
- * @param ebuf    the error message buffer.
- * @param elen    the length of the error buffer.
- * @return        CONFIG_SUCCESSFUL if successful, negative on failure.
- */
-static int
-find_name(DWORD index, char *buf, DWORD size) {
-    PDH_STATUS res;
-
-    if ((res = PdhLookupPerfNameByIndex_i(NULL, index, buf, &size)) != ERROR_SUCCESS) {
-
-        /* printf("Could not open counter %d: error=0x%08x", index, res); */
-        /* if (res == PDH_CSTATUS_NO_MACHINE) { */
-        /*      printf("User probably does not have sufficient privileges to use"); */
-        /*      printf("performance counters. If you are running on Windows 2003"); */
-        /*      printf("or Windows Vista, make sure the user is in the"); */
-        /*      printf("Performance Logs user group."); */
-        /* } */
-        return -1;
-    }
-
-    if (size == 0) {
-        /* printf("Failed to get counter name for %d: empty string", index); */
-        return -1;
-    }
-
-    // windows vista does not null-terminate the string (allthough the docs says it will)
-    buf[size - 1] = '\0';
-    return CONFIG_SUCCESSFUL;
-}
-
-/**
- * Sets up the supplied SingleCounterQuery to listen for the specified counter.
- * initPDH() must have been run prior to calling this function!
- *
- * @param counterQuery   the counter query to set up.
- * @param counterString  the string specifying the path to the counter.
- * @param ebuf           the error buffer.
- * @param elen           the length of the error buffer.
- * @returns              CONFIG_SUCCESSFUL if successful, negative on failure.
- */
-static int
-initSingleCounterQuery(SingleCounterQueryP counterQuery, char *counterString) {
-    if (PdhOpenQuery_i(NULL, 0, &counterQuery->query.query) != ERROR_SUCCESS) {
-        /* printf("Could not open query for %s", counterString); */
-        return -1;
-    }
-    if (PdhAddCounter_i(counterQuery->query.query, counterString, 0, &counterQuery->counter) != ERROR_SUCCESS) {
-        /* printf("Could not add counter %s for query", counterString); */
-        if (counterQuery->counter != NULL) {
-            PdhRemoveCounter_i(counterQuery->counter);
-        }
-        if (counterQuery->query.query != NULL) {
-            PdhCloseQuery_i(counterQuery->query.query);
-        }
-        memset(counterQuery, 0, sizeof(SingleCounterQueryS));
-        return -1;
-    }
-    return CONFIG_SUCCESSFUL;
-}
-
-/**
- * Sets up the supplied SingleCounterQuery to listen for the time spent
- * by the HotSpot process.
- *
- * @param counterQuery   the counter query to set up as a process counter.
- * @param ebuf           the error buffer.
- * @param elen           the length of the error buffer.
- * @returns              CONFIG_SUCCESSFUL if successful, negative on failure.
- */
-static int
-initProcLoadCounter(void) {
-    char time[COUNTER_BUF_SIZE];
-    char counter[COUNTER_BUF_SIZE*2];
-
-    if (find_name(PDH_PROCESSOR_TIME_IDX, time, sizeof(time)-1) < 0) {
-        return -1;
-    }
-    _snprintf(counter, sizeof(counter)-1, "%s\\%s", getProcessPDHHeader(), time);
-    return initSingleCounterQuery(&cntProcLoad, counter);
-}
-
-static int
-initProcSystemLoadCounter(void) {
-    char time[COUNTER_BUF_SIZE];
-    char counter[COUNTER_BUF_SIZE*2];
-
-    if (find_name(PDH_PRIV_PROCESSOR_TIME_IDX, time, sizeof(time)-1) < 0) {
-        return -1;
-    }
-    _snprintf(counter, sizeof(counter)-1, "%s\\%s", getProcessPDHHeader(), time);
-    return initSingleCounterQuery(&cntProcSystemLoad, counter);
-}
-
-/**
- * Sets up the supplied MultipleCounterQuery to check on the processors.
- * (Comment: Refactor and prettify as with the the SingleCounter queries
- * if more MultipleCounterQueries are discovered.)
- *
- * initPDH() must have been run prior to calling this function.
- *
- * @param multiQuery  a pointer to a MultipleCounterQueryS, will be filled in with
- *                    the necessary info to check the PDH processor counters.
- * @return            CONFIG_SUCCESSFUL if successful, negative on failure.
- */
-static int
-initProcessorCounters(void) {
-    char          processor[COUNTER_BUF_SIZE]; //'Processor' == #238
-    char          time[COUNTER_BUF_SIZE];      //'Time' == 6
-    DWORD      c_size, i_size;
-    HQUERY     tmpQuery;
-    DWORD      i, p_count;
-    BOOL          error;
-    char         *instances, *tmp;
-    PDH_STATUS pdhStat;
-
-    c_size   = i_size = 0;
-    tmpQuery = NULL;
-    error    = false;
-
-    // This __try / __except stuff is there since Windows 2000 beta (or so) sometimes triggered
-    // an access violation when the user had insufficient privileges to use the performance
-    // counters. This was previously guarded by a very ugly piece of code which disabled the
-    // global trap handling in JRockit. Don't know if this really is needed anymore, but otoh,
-    // if we keep it we don't crash on Win2k beta. /Ihse, 2005-05-30
-    __try {
-        if (find_name(PDH_PROCESSOR_IDX, processor, sizeof(processor)-1) < 0) {
-            return -1;
-        }
-    } __except (EXCEPTION_EXECUTE_HANDLER) { // We'll catch all exceptions here.
-        /* printf("User does not have sufficient privileges to use performance counters"); */
-        return -1;
-    }
-
-    if (find_name(PDH_PROCESSOR_TIME_IDX, time, sizeof(time)-1) < 0) {
-        return -1;
-    }
-    //ok, now we have enough to enumerate all processors.
-    pdhStat = PdhEnumObjectItems_i (
-                    NULL,                   // reserved
-                    NULL,                   // local machine
-                    processor,          // object to enumerate
-                    NULL,              // pass in NULL buffers
-                    &c_size,              // and 0 length to get
-                    NULL,              // required size
-                    &i_size,              // of the buffers in chars
-                    PERF_DETAIL_WIZARD,     // counter detail level
-                    0);
-    if (pdh_fail(pdhStat)) {
-        /* printf("could not enumerate processors (1) error=%d", pdhStat); */
-        return -1;
-    }
-
-    // use calloc because windows vista does not null terminate the instance names (allthough the docs says it will)
-    instances = calloc(i_size, 1);
-    if (instances == NULL) {
-        /* printf("could not allocate memory (1) %d bytes", i_size); */
-        error = true;
-        goto end;
-    }
-
-    c_size  = 0;
-    pdhStat = PdhEnumObjectItems_i (
-                    NULL,                   // reserved
-                    NULL,                   // local machine
-                    processor,              // object to enumerate
-                    NULL,              // pass in NULL buffers
-                    &c_size,              // and 0 length to get
-                    instances,          // required size
-                    &i_size,              // of the buffers in chars
-                    PERF_DETAIL_WIZARD,     // counter detail level
-                    0);
-
-    if (pdh_fail(pdhStat)) {
-        /* printf("could not enumerate processors (2) error=%d", pdhStat); */
-        error = true;
-        goto end;
-    }
-    //count perf count instances.
-    for (p_count = 0, tmp = instances; *tmp != 0; tmp = &tmp[lstrlen(tmp)+1], p_count++);
-
-    //is this correct for HT?
-    assert(p_count == num_cpus+1);
-
-    //ok, have number of perf counters.
-    multiCounterCPULoad.counters = calloc(p_count, sizeof(HCOUNTER));
-    if (multiCounterCPULoad.counters == NULL) {
-        /* printf("could not allocate memory (2) count=%d", p_count); */
-        error = true;
-        goto end;
-    }
-
-    multiCounterCPULoad.noOfCounters = p_count;
-
-    if (PdhOpenQuery_i(NULL, 0, &multiCounterCPULoad.query.query) != ERROR_SUCCESS) {
-        /* printf("could not create query"); */
-        error = true;
-        goto end;
-    }
-    //now, fetch the counters.
-    for (i = 0, tmp = instances; *tmp != '\0'; tmp = &tmp[lstrlen(tmp)+1], i++) {
-    char counter[2*COUNTER_BUF_SIZE];
-
-    _snprintf(counter, sizeof(counter)-1, "\\%s(%s)\\%s", processor, tmp, time);
-
-    if (PdhAddCounter_i(multiCounterCPULoad.query.query, counter, 0, &multiCounterCPULoad.counters[i]) != ERROR_SUCCESS) {
-            /* printf("error adding processor counter %s", counter); */
-            error = true;
-            goto end;
-        }
-    }
-
-    free(instances);
-    instances = NULL;
-
-    // Query once to initialize the counters needing at least two queries
-    // (like the % CPU usage) to calculate correctly.
-    if (PdhCollectQueryData_i(multiCounterCPULoad.query.query) != ERROR_SUCCESS)
-        error = true;
-
- end:
-    if (instances != NULL) {
-        free(instances);
-    }
-    if (tmpQuery != NULL) {
-        PdhCloseQuery_i(tmpQuery);
-    }
-    if (error) {
-        int i;
-
-        if (multiCounterCPULoad.counters != NULL) {
-            for (i = 0; i < multiCounterCPULoad.noOfCounters; i++) {
-                if (multiCounterCPULoad.counters[i] != NULL) {
-                    PdhRemoveCounter_i(multiCounterCPULoad.counters[i]);
-                }
-            }
-            free(multiCounterCPULoad.counters[i]);
-        }
-        if (multiCounterCPULoad.query.query != NULL) {
-            PdhCloseQuery_i(multiCounterCPULoad.query.query);
-        }
-        memset(&multiCounterCPULoad, 0, sizeof(MultipleCounterQueryS));
-        return -1;
-    }
-    return CONFIG_SUCCESSFUL;
-}
-
-/**
- * Help function that initializes the PDH process header for the JRockit process.
- * (You should probably use getProcessPDHHeader() instead!)
- *
- * initPDH() must have been run prior to calling this function.
- *
- * @param ebuf the error buffer.
- * @param elen the length of the error buffer.
- *
- * @return the PDH instance description corresponding to the JVM process.
- */
-static char*
-initProcessPDHHeader(void) {
-    static char hotspotheader[2*COUNTER_BUF_SIZE];
-
-    char           counter[2*COUNTER_BUF_SIZE];
-    char           processes[COUNTER_BUF_SIZE];   //'Process' == #230
-    char           pid[COUNTER_BUF_SIZE];           //'ID Process' == 784
-    char           module_name[MAX_PATH];
-    PDH_STATUS  pdhStat;
-    DWORD       c_size = 0, i_size = 0;
-    HQUERY      tmpQuery = NULL;
-    int           i, myPid = _getpid();
-    BOOL           error = false;
-    char          *instances, *tmp, *instance_name, *dot_pos;
-
-    tmpQuery = NULL;
-    myPid    = _getpid();
-    error    = false;
-
-    if (find_name(PDH_PROCESS_IDX, processes, sizeof(processes) - 1) < 0) {
-        return NULL;
-    }
-
-    if (find_name(PDH_ID_PROCESS_IDX, pid, sizeof(pid) - 1) < 0) {
-        return NULL;
-    }
-    //time is same.
-
-    c_size = 0;
-    i_size = 0;
-
-    pdhStat = PdhEnumObjectItems_i (
-                    NULL,                   // reserved
-                    NULL,                   // local machine
-                    processes,              // object to enumerate
-                    NULL,                   // pass in NULL buffers
-                    &c_size,              // and 0 length to get
-                    NULL,              // required size
-                    &i_size,              // of the buffers in chars
-                    PERF_DETAIL_WIZARD,     // counter detail level
-                    0);
-
-    //ok, now we have enough to enumerate all processes
-    if (pdh_fail(pdhStat)) {
-        /* printf("Could not enumerate processes (1) error=%d", pdhStat); */
-        return NULL;
-    }
-
-    // use calloc because windows vista does not null terminate the instance names (allthough the docs says it will)
-    if ((instances = calloc(i_size, 1)) == NULL) {
-        /* printf("Could not allocate memory %d bytes", i_size); */
-        error = true;
-        goto end;
-    }
-
-    c_size = 0;
-
-    pdhStat = PdhEnumObjectItems_i (
-                    NULL,                   // reserved
-                    NULL,                   // local machine
-                    processes,              // object to enumerate
-                    NULL,              // pass in NULL buffers
-                    &c_size,              // and 0 length to get
-                    instances,          // required size
-                    &i_size,              // of the buffers in chars
-                    PERF_DETAIL_WIZARD,     // counter detail level
-                    0);
-
-    // ok, now we have enough to enumerate all processes
-    if (pdh_fail(pdhStat)) {
-        /* printf("Could not enumerate processes (2) error=%d", pdhStat); */
-        error = true;
-        goto end;
-    }
-
-    if (PdhOpenQuery_i(NULL, 0, &tmpQuery) != ERROR_SUCCESS) {
-        /* printf("Could not create temporary query"); */
-        error = true;
-        goto end;
-    }
-
-    // Find our module name and use it to extract the instance name used by PDH
-    if (GetModuleFileName(NULL, module_name, MAX_PATH) >= MAX_PATH-1) {
-        /* printf("Module name truncated"); */
-        error = true;
-        goto end;
-    }
-    instance_name = strrchr(module_name, '\\'); //drop path
-    instance_name++;                            //skip slash
-    dot_pos = strchr(instance_name, '.');       //drop .exe
-    dot_pos[0] = '\0';
-
-    //now, fetch the counters.
-    for (tmp = instances; *tmp != 0 && !error; tmp = &tmp[lstrlen(tmp)+1]) {
-        HCOUNTER  hc = NULL;
-        BOOL done = false;
-
-        // Skip until we find our own process name
-        if (strcmp(tmp, instance_name) != 0) {
-            continue;
-        }
-
-        // iterate over all instance indexes and try to find our own pid
-        for (i = 0; !done && !error; i++){
-            PDH_STATUS res;
-            _snprintf(counter, sizeof(counter)-1, "\\%s(%s#%d)\\%s", processes, tmp, i, pid);
-
-            if (PdhAddCounter_i(tmpQuery, counter, 0, &hc) != ERROR_SUCCESS) {
-                /* printf("Failed to create process id query"); */
-                error = true;
-                goto end;
-            }
-
-            res = PdhCollectQueryData_i(tmpQuery);
-
-            if (res == PDH_INVALID_HANDLE) {
-                /* printf("Failed to query process id"); */
-                res = -1;
-                done = true;
-            } else if (res == PDH_NO_DATA) {
-                done = true;
-            } else {
-                PDH_FMT_COUNTERVALUE cv;
-
-                PdhGetFormattedCounterValue_i(hc, PDH_FMT_LONG, NULL, &cv);
-               /*
-                 * This check seems to be needed for Win2k SMP boxes, since
-                 * they for some reason don't return PDH_NO_DATA for non existing
-                 * counters.
-                 */
-                if (cv.CStatus != PDH_CSTATUS_VALID_DATA) {
-                    done = true;
-                } else if (cv.longValue == myPid) {
-                    _snprintf(hotspotheader, sizeof(hotspotheader)-1, "\\%s(%s#%d)\0", processes, tmp, i);
-                    PdhRemoveCounter_i(hc);
-                    goto end;
-                }
-            }
-            PdhRemoveCounter_i(hc);
-        }
-    }
- end:
-    if (instances != NULL) {
-        free(instances);
-    }
-    if (tmpQuery != NULL) {
-        PdhCloseQuery_i(tmpQuery);
-    }
-    if (error) {
-        return NULL;
-    }
-    return hotspotheader;
-}
-
-/**
- * Returns the PDH string prefix identifying the HotSpot process. Use this prefix when getting
- * counters from the PDH process object representing HotSpot.
- *
- * Note: this call may take some time to complete.
- *
- * @param ebuf error buffer.
- * @param elen error buffer length.
- *
- * @return the header to be used when retrieving PDH counters from the HotSpot process.
- * Will return NULL if the call failed.
- */
-static char *
-getProcessPDHHeader(void) {
-    static char *processHeader = NULL;
-
-    EnterCriticalSection(&processHeaderLock); {
-        if (processHeader == NULL) {
-            processHeader = initProcessPDHHeader();
-        }
-    } LeaveCriticalSection(&processHeaderLock);
-    return processHeader;
-}
-
-int perfInit(void);
-
-double
-perfGetCPULoad(int which)
-{
-    PDH_FMT_COUNTERVALUE cv;
-    HCOUNTER            c;
-
-    if (perfInit() < 0) {
-        // warn?
-        return -1.0;
-    }
-
-    if (multiCounterCPULoad.query.query == NULL) {
-        // warn?
-        return -1.0;
-    }
-
-    if (which == -1) {
-        c = multiCounterCPULoad.counters[multiCounterCPULoad.noOfCounters - 1];
-    } else {
-        if (which < multiCounterCPULoad.noOfCounters) {
-            c = multiCounterCPULoad.counters[which];
-        } else {
-            return -1.0;
-        }
-    }
-    if (getPerformanceData(&multiCounterCPULoad.query, c, &cv, PDH_FMT_DOUBLE ) == CONFIG_SUCCESSFUL) {
-        return cv.doubleValue / 100;
-    }
-    return -1.0;
-}
-
-double
-perfGetProcessLoad(void)
-{
-    PDH_FMT_COUNTERVALUE cv;
-
-    if (perfInit() < 0) {
-        // warn?
-        return -1.0;
-    }
-
-    if (cntProcLoad.query.query == NULL) {
-        // warn?
-        return -1.0;
-    }
-
-    if (getPerformanceData(&cntProcLoad.query, cntProcLoad.counter, &cv, PDH_FMT_DOUBLE | PDH_FMT_NOCAP100) == CONFIG_SUCCESSFUL) {
-        double d = cv.doubleValue / cpuFactor;
-        d = min(1, d);
-        d = max(0, d);
-        return d;
-    }
-    return -1.0;
-}
-
-/**
- * Helper to initialize the PDH library. Loads the library and sets up the functions.
- * Note that once loaded, we will never unload the PDH library.
- *
- * @return  CONFIG_SUCCESSFUL if successful, negative on failure.
- */
-int
-perfInit(void) {
-    static HMODULE    h;
-    static BOOL        running, inited;
-
-    int error;
-
-    if (running) {
-        return CONFIG_SUCCESSFUL;
-    }
-
-    error = CONFIG_SUCCESSFUL;
-
-    // this is double checked locking again, but we try to bypass the worst by
-    // implicit membar at end of lock.
-    EnterCriticalSection(&initializationLock); {
-        if (!inited) {
-            char         buf[64] = "";
-            SYSTEM_INFO si;
-
-            // CMH. But windows will not care about our affinity when giving
-            // us measurements. Need the real, raw num cpus.
-
-            GetSystemInfo(&si);
-            num_cpus  = si.dwNumberOfProcessors;
-            // Initialize the denominator for the jvm load calculations
-            cpuFactor = num_cpus * 100;
-
-            /**
-             * Do this dynamically, so we don't fail to start on systems without pdh.
-             */
-            if ((h = LoadLibrary("pdh.dll")) == NULL) {
-                /* printf("Could not load pdh.dll (%d)", GetLastError()); */
-                error = -2;
-            } else if (get_functions(h, buf, sizeof(buf)) < 0) {
-                FreeLibrary(h);
-                h = NULL;
-                error = -2;
-               /* printf("Failed to init pdh functions: %s.\n", buf); */
-            } else {
-                if (initProcessorCounters() != 0) {
-                    /* printf("Failed to init system load counters.\n"); */
-                } else if (initProcLoadCounter() != 0) {
-                    /* printf("Failed to init process load counter.\n"); */
-                } else if (initProcSystemLoadCounter() != 0) {
-                    /* printf("Failed to init process system load counter.\n"); */
-                } else {
-                    inited = true;
-                }
-            }
-        }
-    } LeaveCriticalSection(&initializationLock);
-
-    if (inited && error == CONFIG_SUCCESSFUL) {
-        running = true;
-    }
-
-    return error;
-}
-
-JNIEXPORT jdouble JNICALL
-Java_com_sun_management_OperatingSystem_getSystemCpuLoad
-(JNIEnv *env, jobject dummy)
-{
-    return perfGetCPULoad(-1);
-}
-
-JNIEXPORT jdouble JNICALL
-Java_com_sun_management_OperatingSystem_getProcessCpuLoad
-(JNIEnv *env, jobject dummy)
-{
-    return perfGetProcessLoad();
-}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/windows/native/sun/management/OperatingSystemImpl.c	Fri Nov 08 12:13:02 2013 -0800
@@ -0,0 +1,941 @@
+/*
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include "jni.h"
+#include "jni_util.h"
+#include "jlong.h"
+#include "jvm.h"
+#include "management.h"
+#include "sun_management_OperatingSystemImpl.h"
+
+#include <psapi.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include <malloc.h>
+#pragma warning (push,0)
+#include <windows.h>
+#pragma warning (pop)
+#include <stdio.h>
+#include <time.h>
+#include <stdint.h>
+#include <assert.h>
+
+/* Disable warnings due to broken header files from Microsoft... */
+#pragma warning(push, 3)
+#include <pdh.h>
+#include <pdhmsg.h>
+#include <process.h>
+#pragma warning(pop)
+
+typedef unsigned __int32 juint;
+typedef unsigned __int64 julong;
+
+typedef enum boolean_values { false=0, true=1};
+
+static void set_low(jlong* value, jint low) {
+    *value &= (jlong)0xffffffff << 32;
+    *value |= (jlong)(julong)(juint)low;
+}
+
+static void set_high(jlong* value, jint high) {
+    *value &= (jlong)(julong)(juint)0xffffffff;
+    *value |= (jlong)high       << 32;
+}
+
+static jlong jlong_from(jint h, jint l) {
+  jlong result = 0; // initialization to avoid warning
+  set_high(&result, h);
+  set_low(&result,  l);
+  return result;
+}
+
+static HANDLE main_process;
+
+int perfiInit(void);
+
+JNIEXPORT void JNICALL
+Java_sun_management_OperatingSystemImpl_initialize
+  (JNIEnv *env, jclass cls)
+{
+    main_process = GetCurrentProcess();
+     perfiInit();
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getCommittedVirtualMemorySize0
+  (JNIEnv *env, jobject mbean)
+{
+    PROCESS_MEMORY_COUNTERS pmc;
+    if (GetProcessMemoryInfo(main_process, &pmc, sizeof(PROCESS_MEMORY_COUNTERS)) == 0) {
+        return (jlong)-1L;
+    } else {
+        return (jlong) pmc.PagefileUsage;
+    }
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getTotalSwapSpaceSize
+  (JNIEnv *env, jobject mbean)
+{
+    MEMORYSTATUSEX ms;
+    ms.dwLength = sizeof(ms);
+    GlobalMemoryStatusEx(&ms);
+    return (jlong) ms.ullTotalPageFile;
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getFreeSwapSpaceSize
+  (JNIEnv *env, jobject mbean)
+{
+    MEMORYSTATUSEX ms;
+    ms.dwLength = sizeof(ms);
+    GlobalMemoryStatusEx(&ms);
+    return (jlong) ms.ullAvailPageFile;
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getProcessCpuTime
+  (JNIEnv *env, jobject mbean)
+{
+
+    FILETIME process_creation_time, process_exit_time,
+             process_user_time, process_kernel_time;
+
+    // Using static variables declared above
+    // Units are 100-ns intervals.  Convert to ns.
+    GetProcessTimes(main_process, &process_creation_time,
+                    &process_exit_time,
+                    &process_kernel_time, &process_user_time);
+    return (jlong_from(process_user_time.dwHighDateTime,
+                        process_user_time.dwLowDateTime) +
+            jlong_from(process_kernel_time.dwHighDateTime,
+                        process_kernel_time.dwLowDateTime)) * 100;
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getFreePhysicalMemorySize
+  (JNIEnv *env, jobject mbean)
+{
+    MEMORYSTATUSEX ms;
+    ms.dwLength = sizeof(ms);
+    GlobalMemoryStatusEx(&ms);
+    return (jlong) ms.ullAvailPhys;
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_management_OperatingSystemImpl_getTotalPhysicalMemorySize
+  (JNIEnv *env, jobject mbean)
+{
+    MEMORYSTATUSEX ms;
+    ms.dwLength = sizeof(ms);
+    GlobalMemoryStatusEx(&ms);
+    return (jlong) ms.ullTotalPhys;
+}
+
+// Seems WinXP PDH returns PDH_MORE_DATA whenever we send in a NULL buffer.
+// Let's just ignore it, since we make sure we have enough buffer anyway.
+static int
+pdh_fail(PDH_STATUS pdhStat) {
+    return pdhStat != ERROR_SUCCESS && pdhStat != PDH_MORE_DATA;
+}
+
+// INFO: Using PDH APIs Correctly in a Localized Language (Q287159)
+//       http://support.microsoft.com/default.aspx?scid=kb;EN-US;q287159
+// The index value for the base system counters and objects like processor,
+// process, thread, memory, and so forth are always the same irrespective
+// of the localized version of the operating system or service pack installed.
+#define PDH_PROCESSOR_IDX        ((DWORD) 238)
+#define PDH_PROCESSOR_TIME_IDX        ((DWORD)   6)
+#define PDH_PRIV_PROCESSOR_TIME_IDX ((DWORD) 144)
+#define PDH_PROCESS_IDX            ((DWORD) 230)
+#define PDH_ID_PROCESS_IDX        ((DWORD) 784)
+#define PDH_CONTEXT_SWITCH_RATE_IDX ((DWORD) 146)
+#define PDH_SYSTEM_IDX            ((DWORD)   2)
+#define PDH_VIRTUAL_BYTES_IDX        ((DWORD) 174)
+
+typedef PDH_STATUS (WINAPI *PdhAddCounterFunc)(
+                           HQUERY      hQuery,
+                           LPCSTR      szFullCounterPath,
+                           DWORD       dwUserData,
+                           HCOUNTER    *phCounter
+                           );
+typedef PDH_STATUS (WINAPI *PdhOpenQueryFunc)(
+                          LPCWSTR     szDataSource,
+                          DWORD       dwUserData,
+                          HQUERY      *phQuery
+                          );
+typedef DWORD (WINAPI *PdhCloseQueryFunc)(
+                      HQUERY      hQuery
+                      );
+typedef PDH_STATUS (WINAPI *PdhCollectQueryDataFunc)(
+                             HQUERY      hQuery
+                             );
+typedef DWORD (WINAPI *PdhGetFormattedCounterValueFunc)(
+                            HCOUNTER                hCounter,
+                            DWORD                   dwFormat,
+                            LPDWORD                 lpdwType,
+                            PPDH_FMT_COUNTERVALUE   pValue
+                            );
+typedef PDH_STATUS (WINAPI *PdhEnumObjectItemsFunc)(
+                            LPCTSTR    szDataSource,
+                            LPCTSTR    szMachineName,
+                            LPCTSTR    szObjectName,
+                            LPTSTR     mszCounterList,
+                            LPDWORD    pcchCounterListLength,
+                            LPTSTR     mszInstanceList,
+                            LPDWORD    pcchInstanceListLength,
+                            DWORD      dwDetailLevel,
+                            DWORD      dwFlags
+                            );
+typedef PDH_STATUS (WINAPI *PdhRemoveCounterFunc)(
+                          HCOUNTER  hCounter
+                          );
+typedef PDH_STATUS (WINAPI *PdhLookupPerfNameByIndexFunc)(
+                              LPCSTR  szMachineName,
+                              DWORD   dwNameIndex,
+                              LPSTR   szNameBuffer,
+                              LPDWORD pcchNameBufferSize
+                              );
+typedef PDH_STATUS (WINAPI *PdhMakeCounterPathFunc)(
+                            PDH_COUNTER_PATH_ELEMENTS *pCounterPathElements,
+                            LPTSTR szFullPathBuffer,
+                            LPDWORD pcchBufferSize,
+                            DWORD dwFlags
+                            );
+
+static PdhAddCounterFunc PdhAddCounter_i;
+static PdhOpenQueryFunc PdhOpenQuery_i;
+static PdhCloseQueryFunc PdhCloseQuery_i;
+static PdhCollectQueryDataFunc PdhCollectQueryData_i;
+static PdhGetFormattedCounterValueFunc PdhGetFormattedCounterValue_i;
+static PdhEnumObjectItemsFunc PdhEnumObjectItems_i;
+static PdhRemoveCounterFunc PdhRemoveCounter_i;
+static PdhLookupPerfNameByIndexFunc PdhLookupPerfNameByIndex_i;
+static PdhMakeCounterPathFunc PdhMakeCounterPath_i;
+
+static HANDLE thisProcess;
+static double cpuFactor;
+static DWORD  num_cpus;
+
+#define FT2JLONG(X)  ((((jlong)X.dwHighDateTime) << 32) | ((jlong)X.dwLowDateTime))
+#define COUNTER_BUF_SIZE 256
+// Min time between query updates.
+#define MIN_UPDATE_INTERVAL 500
+#define CONFIG_SUCCESSFUL 0
+
+/**
+ * Struct for PDH queries.
+ */
+typedef struct {
+    HQUERY      query;
+    uint64_t      lastUpdate; // Last time query was updated (current millis).
+} UpdateQueryS, *UpdateQueryP;
+
+/**
+ * Struct for the processor load counters.
+ */
+typedef struct {
+    UpdateQueryS      query;
+    HCOUNTER*      counters;
+    int          noOfCounters;
+} MultipleCounterQueryS, *MultipleCounterQueryP;
+
+/**
+ * Struct for the jvm process load counter.
+ */
+typedef struct {
+    UpdateQueryS      query;
+    HCOUNTER      counter;
+} SingleCounterQueryS, *SingleCounterQueryP;
+
+static char* getProcessPDHHeader(void);
+
+/**
+ * Currently available counters.
+ */
+static SingleCounterQueryS cntCtxtSwitchRate;
+static SingleCounterQueryS cntVirtualSize;
+static SingleCounterQueryS cntProcLoad;
+static SingleCounterQueryS cntProcSystemLoad;
+static MultipleCounterQueryS multiCounterCPULoad;
+
+static CRITICAL_SECTION processHeaderLock;
+static CRITICAL_SECTION initializationLock;
+
+/**
+ * Initialize the perf module at startup.
+ */
+int
+perfiInit(void)
+{
+    InitializeCriticalSection(&processHeaderLock);
+    InitializeCriticalSection(&initializationLock);
+    return 0;
+}
+
+/**
+ * Dynamically sets up function pointers to the PDH library.
+ *
+ * @return CONFIG_SUCCESSFUL on success, negative on failure.
+ */
+static int
+get_functions(HMODULE h, char *ebuf, size_t elen) {
+    // The 'A' at the end means the ANSI (not the UNICODE) vesions of the methods
+    PdhAddCounter_i         = (PdhAddCounterFunc)GetProcAddress(h, "PdhAddCounterA");
+    PdhOpenQuery_i         = (PdhOpenQueryFunc)GetProcAddress(h, "PdhOpenQueryA");
+    PdhCloseQuery_i         = (PdhCloseQueryFunc)GetProcAddress(h, "PdhCloseQuery");
+    PdhCollectQueryData_i     = (PdhCollectQueryDataFunc)GetProcAddress(h, "PdhCollectQueryData");
+    PdhGetFormattedCounterValue_i = (PdhGetFormattedCounterValueFunc)GetProcAddress(h, "PdhGetFormattedCounterValue");
+    PdhEnumObjectItems_i         = (PdhEnumObjectItemsFunc)GetProcAddress(h, "PdhEnumObjectItemsA");
+    PdhRemoveCounter_i         = (PdhRemoveCounterFunc)GetProcAddress(h, "PdhRemoveCounter");
+    PdhLookupPerfNameByIndex_i     = (PdhLookupPerfNameByIndexFunc)GetProcAddress(h, "PdhLookupPerfNameByIndexA");
+    PdhMakeCounterPath_i         = (PdhMakeCounterPathFunc)GetProcAddress(h, "PdhMakeCounterPathA");
+
+    if (PdhAddCounter_i == NULL || PdhOpenQuery_i == NULL ||
+    PdhCloseQuery_i == NULL || PdhCollectQueryData_i == NULL ||
+    PdhGetFormattedCounterValue_i == NULL || PdhEnumObjectItems_i == NULL ||
+    PdhRemoveCounter_i == NULL || PdhLookupPerfNameByIndex_i == NULL || PdhMakeCounterPath_i == NULL)
+    {
+        _snprintf(ebuf, elen, "Required method could not be found.");
+        return -1;
+    }
+    return CONFIG_SUCCESSFUL;
+}
+
+/**
+ * Returns the counter value as a double for the specified query.
+ * Will collect the query data and update the counter values as necessary.
+ *
+ * @param query       the query to update (if needed).
+ * @param c          the counter to read.
+ * @param value       where to store the formatted value.
+ * @param format      the format to use (i.e. PDH_FMT_DOUBLE, PDH_FMT_LONG etc)
+ * @return            CONFIG_SUCCESSFUL if no error
+ *                    -1 if PdhCollectQueryData fails
+ *                    -2 if PdhGetFormattedCounterValue fails
+ */
+static int
+getPerformanceData(UpdateQueryP query, HCOUNTER c, PDH_FMT_COUNTERVALUE* value, DWORD format) {
+    clock_t now;
+    now = clock();
+
+    // Need to limit how often we update the query
+    // to mimise the heisenberg effect.
+    // (PDH behaves erratically if the counters are
+    // queried too often, especially counters that
+    // store and use values from two consecutive updates,
+    // like cpu load.)
+    if (now - query->lastUpdate > MIN_UPDATE_INTERVAL) {
+        if (PdhCollectQueryData_i(query->query) != ERROR_SUCCESS) {
+            return -1;
+        }
+        query->lastUpdate = now;
+    }
+
+    if (PdhGetFormattedCounterValue_i(c, format, NULL, value) != ERROR_SUCCESS) {
+        return -2;
+    }
+    return CONFIG_SUCCESSFUL;
+}
+
+/**
+ * Places the resolved counter name of the counter at the specified index in the
+ * supplied buffer. There must be enough space in the buffer to hold the counter name.
+ *
+ * @param index   the counter index as specified in the registry.
+ * @param buf     the buffer in which to place the counter name.
+ * @param size      the size of the counter name buffer.
+ * @param ebuf    the error message buffer.
+ * @param elen    the length of the error buffer.
+ * @return        CONFIG_SUCCESSFUL if successful, negative on failure.
+ */
+static int
+find_name(DWORD index, char *buf, DWORD size) {
+    PDH_STATUS res;
+
+    if ((res = PdhLookupPerfNameByIndex_i(NULL, index, buf, &size)) != ERROR_SUCCESS) {
+
+        /* printf("Could not open counter %d: error=0x%08x", index, res); */
+        /* if (res == PDH_CSTATUS_NO_MACHINE) { */
+        /*      printf("User probably does not have sufficient privileges to use"); */
+        /*      printf("performance counters. If you are running on Windows 2003"); */
+        /*      printf("or Windows Vista, make sure the user is in the"); */
+        /*      printf("Performance Logs user group."); */
+        /* } */
+        return -1;
+    }
+
+    if (size == 0) {
+        /* printf("Failed to get counter name for %d: empty string", index); */
+        return -1;
+    }
+
+    // windows vista does not null-terminate the string (allthough the docs says it will)
+    buf[size - 1] = '\0';
+    return CONFIG_SUCCESSFUL;
+}
+
+/**
+ * Sets up the supplied SingleCounterQuery to listen for the specified counter.
+ * initPDH() must have been run prior to calling this function!
+ *
+ * @param counterQuery   the counter query to set up.
+ * @param counterString  the string specifying the path to the counter.
+ * @param ebuf           the error buffer.
+ * @param elen           the length of the error buffer.
+ * @returns              CONFIG_SUCCESSFUL if successful, negative on failure.
+ */
+static int
+initSingleCounterQuery(SingleCounterQueryP counterQuery, char *counterString) {
+    if (PdhOpenQuery_i(NULL, 0, &counterQuery->query.query) != ERROR_SUCCESS) {
+        /* printf("Could not open query for %s", counterString); */
+        return -1;
+    }
+    if (PdhAddCounter_i(counterQuery->query.query, counterString, 0, &counterQuery->counter) != ERROR_SUCCESS) {
+        /* printf("Could not add counter %s for query", counterString); */
+        if (counterQuery->counter != NULL) {
+            PdhRemoveCounter_i(counterQuery->counter);
+        }
+        if (counterQuery->query.query != NULL) {
+            PdhCloseQuery_i(counterQuery->query.query);
+        }
+        memset(counterQuery, 0, sizeof(SingleCounterQueryS));
+        return -1;
+    }
+    return CONFIG_SUCCESSFUL;
+}
+
+/**
+ * Sets up the supplied SingleCounterQuery to listen for the time spent
+ * by the HotSpot process.
+ *
+ * @param counterQuery   the counter query to set up as a process counter.
+ * @param ebuf           the error buffer.
+ * @param elen           the length of the error buffer.
+ * @returns              CONFIG_SUCCESSFUL if successful, negative on failure.
+ */
+static int
+initProcLoadCounter(void) {
+    char time[COUNTER_BUF_SIZE];
+    char counter[COUNTER_BUF_SIZE*2];
+
+    if (find_name(PDH_PROCESSOR_TIME_IDX, time, sizeof(time)-1) < 0) {
+        return -1;
+    }
+    _snprintf(counter, sizeof(counter)-1, "%s\\%s", getProcessPDHHeader(), time);
+    return initSingleCounterQuery(&cntProcLoad, counter);
+}
+
+static int
+initProcSystemLoadCounter(void) {
+    char time[COUNTER_BUF_SIZE];
+    char counter[COUNTER_BUF_SIZE*2];
+
+    if (find_name(PDH_PRIV_PROCESSOR_TIME_IDX, time, sizeof(time)-1) < 0) {
+        return -1;
+    }
+    _snprintf(counter, sizeof(counter)-1, "%s\\%s", getProcessPDHHeader(), time);
+    return initSingleCounterQuery(&cntProcSystemLoad, counter);
+}
+
+/**
+ * Sets up the supplied MultipleCounterQuery to check on the processors.
+ * (Comment: Refactor and prettify as with the the SingleCounter queries
+ * if more MultipleCounterQueries are discovered.)
+ *
+ * initPDH() must have been run prior to calling this function.
+ *
+ * @param multiQuery  a pointer to a MultipleCounterQueryS, will be filled in with
+ *                    the necessary info to check the PDH processor counters.
+ * @return            CONFIG_SUCCESSFUL if successful, negative on failure.
+ */
+static int
+initProcessorCounters(void) {
+    char          processor[COUNTER_BUF_SIZE]; //'Processor' == #238
+    char          time[COUNTER_BUF_SIZE];      //'Time' == 6
+    DWORD      c_size, i_size;
+    HQUERY     tmpQuery;
+    DWORD      i, p_count;
+    BOOL          error;
+    char         *instances, *tmp;
+    PDH_STATUS pdhStat;
+
+    c_size   = i_size = 0;
+    tmpQuery = NULL;
+    error    = false;
+
+    // This __try / __except stuff is there since Windows 2000 beta (or so) sometimes triggered
+    // an access violation when the user had insufficient privileges to use the performance
+    // counters. This was previously guarded by a very ugly piece of code which disabled the
+    // global trap handling in JRockit. Don't know if this really is needed anymore, but otoh,
+    // if we keep it we don't crash on Win2k beta. /Ihse, 2005-05-30
+    __try {
+        if (find_name(PDH_PROCESSOR_IDX, processor, sizeof(processor)-1) < 0) {
+            return -1;
+        }
+    } __except (EXCEPTION_EXECUTE_HANDLER) { // We'll catch all exceptions here.
+        /* printf("User does not have sufficient privileges to use performance counters"); */
+        return -1;
+    }
+
+    if (find_name(PDH_PROCESSOR_TIME_IDX, time, sizeof(time)-1) < 0) {
+        return -1;
+    }
+    //ok, now we have enough to enumerate all processors.
+    pdhStat = PdhEnumObjectItems_i (
+                    NULL,                   // reserved
+                    NULL,                   // local machine
+                    processor,          // object to enumerate
+                    NULL,              // pass in NULL buffers
+                    &c_size,              // and 0 length to get
+                    NULL,              // required size
+                    &i_size,              // of the buffers in chars
+                    PERF_DETAIL_WIZARD,     // counter detail level
+                    0);
+    if (pdh_fail(pdhStat)) {
+        /* printf("could not enumerate processors (1) error=%d", pdhStat); */
+        return -1;
+    }
+
+    // use calloc because windows vista does not null terminate the instance names (allthough the docs says it will)
+    instances = calloc(i_size, 1);
+    if (instances == NULL) {
+        /* printf("could not allocate memory (1) %d bytes", i_size); */
+        error = true;
+        goto end;
+    }
+
+    c_size  = 0;
+    pdhStat = PdhEnumObjectItems_i (
+                    NULL,                   // reserved
+                    NULL,                   // local machine
+                    processor,              // object to enumerate
+                    NULL,              // pass in NULL buffers
+                    &c_size,              // and 0 length to get
+                    instances,          // required size
+                    &i_size,              // of the buffers in chars
+                    PERF_DETAIL_WIZARD,     // counter detail level
+                    0);
+
+    if (pdh_fail(pdhStat)) {
+        /* printf("could not enumerate processors (2) error=%d", pdhStat); */
+        error = true;
+        goto end;
+    }
+    //count perf count instances.
+    for (p_count = 0, tmp = instances; *tmp != 0; tmp = &tmp[lstrlen(tmp)+1], p_count++);
+
+    //is this correct for HT?
+    assert(p_count == num_cpus+1);
+
+    //ok, have number of perf counters.
+    multiCounterCPULoad.counters = calloc(p_count, sizeof(HCOUNTER));
+    if (multiCounterCPULoad.counters == NULL) {
+        /* printf("could not allocate memory (2) count=%d", p_count); */
+        error = true;
+        goto end;
+    }
+
+    multiCounterCPULoad.noOfCounters = p_count;
+
+    if (PdhOpenQuery_i(NULL, 0, &multiCounterCPULoad.query.query) != ERROR_SUCCESS) {
+        /* printf("could not create query"); */
+        error = true;
+        goto end;
+    }
+    //now, fetch the counters.
+    for (i = 0, tmp = instances; *tmp != '\0'; tmp = &tmp[lstrlen(tmp)+1], i++) {
+    char counter[2*COUNTER_BUF_SIZE];
+
+    _snprintf(counter, sizeof(counter)-1, "\\%s(%s)\\%s", processor, tmp, time);
+
+    if (PdhAddCounter_i(multiCounterCPULoad.query.query, counter, 0, &multiCounterCPULoad.counters[i]) != ERROR_SUCCESS) {
+            /* printf("error adding processor counter %s", counter); */
+            error = true;
+            goto end;
+        }
+    }
+
+    free(instances);
+    instances = NULL;
+
+    // Query once to initialize the counters needing at least two queries
+    // (like the % CPU usage) to calculate correctly.
+    if (PdhCollectQueryData_i(multiCounterCPULoad.query.query) != ERROR_SUCCESS)
+        error = true;
+
+ end:
+    if (instances != NULL) {
+        free(instances);
+    }
+    if (tmpQuery != NULL) {
+        PdhCloseQuery_i(tmpQuery);
+    }
+    if (error) {
+        int i;
+
+        if (multiCounterCPULoad.counters != NULL) {
+            for (i = 0; i < multiCounterCPULoad.noOfCounters; i++) {
+                if (multiCounterCPULoad.counters[i] != NULL) {
+                    PdhRemoveCounter_i(multiCounterCPULoad.counters[i]);
+                }
+            }
+            free(multiCounterCPULoad.counters[i]);
+        }
+        if (multiCounterCPULoad.query.query != NULL) {
+            PdhCloseQuery_i(multiCounterCPULoad.query.query);
+        }
+        memset(&multiCounterCPULoad, 0, sizeof(MultipleCounterQueryS));
+        return -1;
+    }
+    return CONFIG_SUCCESSFUL;
+}
+
+/**
+ * Help function that initializes the PDH process header for the JRockit process.
+ * (You should probably use getProcessPDHHeader() instead!)
+ *
+ * initPDH() must have been run prior to calling this function.
+ *
+ * @param ebuf the error buffer.
+ * @param elen the length of the error buffer.
+ *
+ * @return the PDH instance description corresponding to the JVM process.
+ */
+static char*
+initProcessPDHHeader(void) {
+    static char hotspotheader[2*COUNTER_BUF_SIZE];
+
+    char           counter[2*COUNTER_BUF_SIZE];
+    char           processes[COUNTER_BUF_SIZE];   //'Process' == #230
+    char           pid[COUNTER_BUF_SIZE];           //'ID Process' == 784
+    char           module_name[MAX_PATH];
+    PDH_STATUS  pdhStat;
+    DWORD       c_size = 0, i_size = 0;
+    HQUERY      tmpQuery = NULL;
+    int           i, myPid = _getpid();
+    BOOL           error = false;
+    char          *instances, *tmp, *instance_name, *dot_pos;
+
+    tmpQuery = NULL;
+    myPid    = _getpid();
+    error    = false;
+
+    if (find_name(PDH_PROCESS_IDX, processes, sizeof(processes) - 1) < 0) {
+        return NULL;
+    }
+
+    if (find_name(PDH_ID_PROCESS_IDX, pid, sizeof(pid) - 1) < 0) {
+        return NULL;
+    }
+    //time is same.
+
+    c_size = 0;
+    i_size = 0;
+
+    pdhStat = PdhEnumObjectItems_i (
+                    NULL,                   // reserved
+                    NULL,                   // local machine
+                    processes,              // object to enumerate
+                    NULL,                   // pass in NULL buffers
+                    &c_size,              // and 0 length to get
+                    NULL,              // required size
+                    &i_size,              // of the buffers in chars
+                    PERF_DETAIL_WIZARD,     // counter detail level
+                    0);
+
+    //ok, now we have enough to enumerate all processes
+    if (pdh_fail(pdhStat)) {
+        /* printf("Could not enumerate processes (1) error=%d", pdhStat); */
+        return NULL;
+    }
+
+    // use calloc because windows vista does not null terminate the instance names (allthough the docs says it will)
+    if ((instances = calloc(i_size, 1)) == NULL) {
+        /* printf("Could not allocate memory %d bytes", i_size); */
+        error = true;
+        goto end;
+    }
+
+    c_size = 0;
+
+    pdhStat = PdhEnumObjectItems_i (
+                    NULL,                   // reserved
+                    NULL,                   // local machine
+                    processes,              // object to enumerate
+                    NULL,              // pass in NULL buffers
+                    &c_size,              // and 0 length to get
+                    instances,          // required size
+                    &i_size,              // of the buffers in chars
+                    PERF_DETAIL_WIZARD,     // counter detail level
+                    0);
+
+    // ok, now we have enough to enumerate all processes
+    if (pdh_fail(pdhStat)) {
+        /* printf("Could not enumerate processes (2) error=%d", pdhStat); */
+        error = true;
+        goto end;
+    }
+
+    if (PdhOpenQuery_i(NULL, 0, &tmpQuery) != ERROR_SUCCESS) {
+        /* printf("Could not create temporary query"); */
+        error = true;
+        goto end;
+    }
+
+    // Find our module name and use it to extract the instance name used by PDH
+    if (GetModuleFileName(NULL, module_name, MAX_PATH) >= MAX_PATH-1) {
+        /* printf("Module name truncated"); */
+        error = true;
+        goto end;
+    }
+    instance_name = strrchr(module_name, '\\'); //drop path
+    instance_name++;                            //skip slash
+    dot_pos = strchr(instance_name, '.');       //drop .exe
+    dot_pos[0] = '\0';
+
+    //now, fetch the counters.
+    for (tmp = instances; *tmp != 0 && !error; tmp = &tmp[lstrlen(tmp)+1]) {
+        HCOUNTER  hc = NULL;
+        BOOL done = false;
+
+        // Skip until we find our own process name
+        if (strcmp(tmp, instance_name) != 0) {
+            continue;
+        }
+
+        // iterate over all instance indexes and try to find our own pid
+        for (i = 0; !done && !error; i++){
+            PDH_STATUS res;
+            _snprintf(counter, sizeof(counter)-1, "\\%s(%s#%d)\\%s", processes, tmp, i, pid);
+
+            if (PdhAddCounter_i(tmpQuery, counter, 0, &hc) != ERROR_SUCCESS) {
+                /* printf("Failed to create process id query"); */
+                error = true;
+                goto end;
+            }
+
+            res = PdhCollectQueryData_i(tmpQuery);
+
+            if (res == PDH_INVALID_HANDLE) {
+                /* printf("Failed to query process id"); */
+                res = -1;
+                done = true;
+            } else if (res == PDH_NO_DATA) {
+                done = true;
+            } else {
+                PDH_FMT_COUNTERVALUE cv;
+
+                PdhGetFormattedCounterValue_i(hc, PDH_FMT_LONG, NULL, &cv);
+               /*
+                 * This check seems to be needed for Win2k SMP boxes, since
+                 * they for some reason don't return PDH_NO_DATA for non existing
+                 * counters.
+                 */
+                if (cv.CStatus != PDH_CSTATUS_VALID_DATA) {
+                    done = true;
+                } else if (cv.longValue == myPid) {
+                    _snprintf(hotspotheader, sizeof(hotspotheader)-1, "\\%s(%s#%d)\0", processes, tmp, i);
+                    PdhRemoveCounter_i(hc);
+                    goto end;
+                }
+            }
+            PdhRemoveCounter_i(hc);
+        }
+    }
+ end:
+    if (instances != NULL) {
+        free(instances);
+    }
+    if (tmpQuery != NULL) {
+        PdhCloseQuery_i(tmpQuery);
+    }
+    if (error) {
+        return NULL;
+    }
+    return hotspotheader;
+}
+
+/**
+ * Returns the PDH string prefix identifying the HotSpot process. Use this prefix when getting
+ * counters from the PDH process object representing HotSpot.
+ *
+ * Note: this call may take some time to complete.
+ *
+ * @param ebuf error buffer.
+ * @param elen error buffer length.
+ *
+ * @return the header to be used when retrieving PDH counters from the HotSpot process.
+ * Will return NULL if the call failed.
+ */
+static char *
+getProcessPDHHeader(void) {
+    static char *processHeader = NULL;
+
+    EnterCriticalSection(&processHeaderLock); {
+        if (processHeader == NULL) {
+            processHeader = initProcessPDHHeader();
+        }
+    } LeaveCriticalSection(&processHeaderLock);
+    return processHeader;
+}
+
+int perfInit(void);
+
+double
+perfGetCPULoad(int which)
+{
+    PDH_FMT_COUNTERVALUE cv;
+    HCOUNTER            c;
+
+    if (perfInit() < 0) {
+        // warn?
+        return -1.0;
+    }
+
+    if (multiCounterCPULoad.query.query == NULL) {
+        // warn?
+        return -1.0;
+    }
+
+    if (which == -1) {
+        c = multiCounterCPULoad.counters[multiCounterCPULoad.noOfCounters - 1];
+    } else {
+        if (which < multiCounterCPULoad.noOfCounters) {
+            c = multiCounterCPULoad.counters[which];
+        } else {
+            return -1.0;
+        }
+    }
+    if (getPerformanceData(&multiCounterCPULoad.query, c, &cv, PDH_FMT_DOUBLE ) == CONFIG_SUCCESSFUL) {
+        return cv.doubleValue / 100;
+    }
+    return -1.0;
+}
+
+double
+perfGetProcessLoad(void)
+{
+    PDH_FMT_COUNTERVALUE cv;
+
+    if (perfInit() < 0) {
+        // warn?
+        return -1.0;
+    }
+
+    if (cntProcLoad.query.query == NULL) {
+        // warn?
+        return -1.0;
+    }
+
+    if (getPerformanceData(&cntProcLoad.query, cntProcLoad.counter, &cv, PDH_FMT_DOUBLE | PDH_FMT_NOCAP100) == CONFIG_SUCCESSFUL) {
+        double d = cv.doubleValue / cpuFactor;
+        d = min(1, d);
+        d = max(0, d);
+        return d;
+    }
+    return -1.0;
+}
+
+/**
+ * Helper to initialize the PDH library. Loads the library and sets up the functions.
+ * Note that once loaded, we will never unload the PDH library.
+ *
+ * @return  CONFIG_SUCCESSFUL if successful, negative on failure.
+ */
+int
+perfInit(void) {
+    static HMODULE    h;
+    static BOOL        running, inited;
+
+    int error;
+
+    if (running) {
+        return CONFIG_SUCCESSFUL;
+    }
+
+    error = CONFIG_SUCCESSFUL;
+
+    // this is double checked locking again, but we try to bypass the worst by
+    // implicit membar at end of lock.
+    EnterCriticalSection(&initializationLock); {
+        if (!inited) {
+            char         buf[64] = "";
+            SYSTEM_INFO si;
+
+            // CMH. But windows will not care about our affinity when giving
+            // us measurements. Need the real, raw num cpus.
+
+            GetSystemInfo(&si);
+            num_cpus  = si.dwNumberOfProcessors;
+            // Initialize the denominator for the jvm load calculations
+            cpuFactor = num_cpus * 100;
+
+            /**
+             * Do this dynamically, so we don't fail to start on systems without pdh.
+             */
+            if ((h = LoadLibrary("pdh.dll")) == NULL) {
+                /* printf("Could not load pdh.dll (%d)", GetLastError()); */
+                error = -2;
+            } else if (get_functions(h, buf, sizeof(buf)) < 0) {
+                FreeLibrary(h);
+                h = NULL;
+                error = -2;
+               /* printf("Failed to init pdh functions: %s.\n", buf); */
+            } else {
+                if (initProcessorCounters() != 0) {
+                    /* printf("Failed to init system load counters.\n"); */
+                } else if (initProcLoadCounter() != 0) {
+                    /* printf("Failed to init process load counter.\n"); */
+                } else if (initProcSystemLoadCounter() != 0) {
+                    /* printf("Failed to init process system load counter.\n"); */
+                } else {
+                    inited = true;
+                }
+            }
+        }
+    } LeaveCriticalSection(&initializationLock);
+
+    if (inited && error == CONFIG_SUCCESSFUL) {
+        running = true;
+    }
+
+    return error;
+}
+
+JNIEXPORT jdouble JNICALL
+Java_sun_management_OperatingSystemImpl_getSystemCpuLoad
+(JNIEnv *env, jobject dummy)
+{
+    return perfGetCPULoad(-1);
+}
+
+JNIEXPORT jdouble JNICALL
+Java_sun_management_OperatingSystemImpl_getProcessCpuLoad
+(JNIEnv *env, jobject dummy)
+{
+    return perfGetProcessLoad();
+}