changeset 9139:67ea497b8e00

Merge
author kizune
date Mon, 20 Jan 2014 20:51:54 +0400
parents 05a8eb59a154 e90e92fa1d59
children 734c1a4011f6
files
diffstat 4 files changed, 145 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/classes/com/sun/management/VMOption.java	Mon Jan 20 19:11:57 2014 +0400
+++ b/src/share/classes/com/sun/management/VMOption.java	Mon Jan 20 20:51:54 2014 +0400
@@ -97,6 +97,11 @@
          */
         ERGONOMIC,
         /**
+         * The VM option was set using the attach framework.
+         * @since 1.9
+         */
+        ATTACH_ON_DEMAND,
+        /**
          * The VM option was set via some other mechanism.
          */
         OTHER
--- a/src/share/javavm/export/jmm.h	Mon Jan 20 19:11:57 2014 +0400
+++ b/src/share/javavm/export/jmm.h	Mon Jan 20 20:51:54 2014 +0400
@@ -153,6 +153,7 @@
   JMM_VMGLOBAL_ORIGIN_ENVIRON_VAR  = 4,   /* Set via environment variables */
   JMM_VMGLOBAL_ORIGIN_CONFIG_FILE  = 5,   /* Set via config file (such as .hotspotrc) */
   JMM_VMGLOBAL_ORIGIN_ERGONOMIC    = 6,   /* Set via ergonomic */
+  JMM_VMGLOBAL_ORIGIN_ATTACH_ON_DEMAND = 7,   /* Set via attach */
   JMM_VMGLOBAL_ORIGIN_OTHER        = 99   /* Set via some other mechanism */
 } jmmVMGlobalOrigin;
 
--- a/src/share/native/sun/management/Flag.c	Mon Jan 20 19:11:57 2014 +0400
+++ b/src/share/native/sun/management/Flag.c	Mon Jan 20 20:51:54 2014 +0400
@@ -36,6 +36,7 @@
 static jobject envvar_origin = NULL;
 static jobject config_file_origin = NULL;
 static jobject ergo_origin = NULL;
+static jobject attach_origin = NULL;
 static jobject other_origin = NULL;
 
 JNIEXPORT jint JNICALL
@@ -74,6 +75,7 @@
     envvar_origin = find_origin_constant(env, "ENVIRON_VAR");
     config_file_origin = find_origin_constant(env, "CONFIG_FILE");
     ergo_origin = find_origin_constant(env, "ERGONOMIC");
+    attach_origin = find_origin_constant(env, "ATTACH_ON_DEMAND");
     other_origin = find_origin_constant(env, "OTHER");
 }
 
@@ -154,6 +156,9 @@
         case JMM_VMGLOBAL_ORIGIN_ERGONOMIC:
             origin = ergo_origin;
             break;
+        case JMM_VMGLOBAL_ORIGIN_ATTACH_ON_DEMAND:
+            origin = attach_origin;
+            break;
         case JMM_VMGLOBAL_ORIGIN_OTHER:
             origin = other_origin;
             break;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/com/sun/management/HotSpotDiagnosticMXBean/CheckOrigin.java	Mon Jan 20 20:51:54 2014 +0400
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2013, 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.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8028994
+ * @author Staffan Larsen
+ * @library /lib/testlibrary
+ * @run main CheckOrigin
+ */
+
+import com.sun.management.HotSpotDiagnosticMXBean;
+import com.sun.management.VMOption;
+import com.sun.management.VMOption.Origin;
+import com.sun.tools.attach.VirtualMachine;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.InputStream;
+import java.io.PrintWriter;
+import java.lang.management.ManagementFactory;
+import java.util.Map;
+import jdk.testlibrary.ProcessTools;
+import sun.tools.attach.HotSpotVirtualMachine;
+
+public class CheckOrigin {
+
+    private static HotSpotDiagnosticMXBean mbean;
+
+    public static void main(String... args) throws Exception {
+        if (args.length == 0) {
+            // start a process that has options set in a number of different ways
+
+            File flagsFile = File.createTempFile("CheckOriginFlags", null);
+            try (PrintWriter pw =
+                   new PrintWriter(new FileWriter(flagsFile))) {
+                pw.println("+PrintSafepointStatistics");
+            }
+
+            ProcessBuilder pb = ProcessTools.
+                createJavaProcessBuilder(
+                    "-XX:+PrintGCDetails",
+                    "-XX:Flags=" + flagsFile.getAbsolutePath(),
+                    "-cp", System.getProperty("test.class.path") + File.pathSeparator + getToolsJarPath(),
+                    "CheckOrigin",
+                    "-runtests");
+
+            Map<String, String> env = pb.environment();
+            env.put("_JAVA_OPTIONS", "-XX:+PrintOopAddress");
+
+            pb.redirectOutput(ProcessBuilder.Redirect.INHERIT);
+            pb.redirectError(ProcessBuilder.Redirect.INHERIT);
+            Process p = pb.start();
+            int exit = p.waitFor();
+            System.out.println("sub process exit == " + exit);
+            if (exit != 0) {
+                throw new Exception("Unexpected exit code from subprocess == " + exit);
+            }
+        } else {
+            mbean =
+                ManagementFactory.getPlatformMXBean(HotSpotDiagnosticMXBean.class);
+
+            // set a few more options
+            mbean.setVMOption("HeapDumpOnOutOfMemoryError", "true");
+            setOptionUsingAttach("HeapDumpPath", "/a/sample/path");
+
+            // check the origin field for all the options we set
+            checkOrigin("ManagementServer", Origin.DEFAULT);
+            checkOrigin("PrintGCDetails", Origin.VM_CREATION);
+            checkOrigin("PrintOopAddress", Origin.ENVIRON_VAR);
+            checkOrigin("PrintSafepointStatistics", Origin.CONFIG_FILE);
+            checkOrigin("HeapDumpOnOutOfMemoryError", Origin.MANAGEMENT);
+            checkOrigin("NewSize", Origin.ERGONOMIC);
+            checkOrigin("HeapDumpPath", Origin.ATTACH_ON_DEMAND);
+        }
+    }
+
+    private static void checkOrigin(String option, Origin origin) throws Exception
+    {
+        Origin o = mbean.getVMOption(option).getOrigin();
+        if (!o.equals(origin)) {
+            throw new Exception("Option '" + option + "' should have origin '" + origin + "' but had '" + o + "'");
+        }
+        System.out.println("Option '" + option + "' verified origin = '" + origin + "'");
+    }
+
+    // use attach to set a manageable vm option
+    private static void setOptionUsingAttach(String option, String value) throws Exception {
+        HotSpotVirtualMachine vm = (HotSpotVirtualMachine) VirtualMachine.attach(ProcessTools.getProcessId()+"");
+        InputStream in = vm.setFlag(option, value);
+        System.out.println("Result from setting '" + option + "' to '" + value + "' using attach:");
+        drain(vm, in);
+        System.out.println("-- end -- ");
+    }
+
+    // Read the stream from the target VM until EOF, print to output, then detach
+    private static void drain(VirtualMachine vm, InputStream in) throws Exception {
+        byte b[] = new byte[256];
+        int n;
+        do {
+            n = in.read(b);
+            if (n > 0) {
+                String s = new String(b, 0, n, "UTF-8");
+                System.out.print(s);
+            }
+        } while (n > 0);
+        in.close();
+        vm.detach();
+    }
+
+    private static String getToolsJarPath() {
+        return System.getProperty("java.home") +
+            "/../lib/tools.jar".replace("/", File.separator);
+    }
+}