changeset 4220:9a094d29af19

8004924: NPG: jmap -heap output should contain ClassMetaspaceSize value Reviewed-by: stefank, mgerdin
author ehelin
date Wed, 06 Feb 2013 07:48:02 +0100
parents 3d3379aab292
children b5e03c8ead49
files agent/src/share/classes/sun/jvm/hotspot/tools/HeapSummary.java test/gc/metaspace/ClassMetaspaceSizeInJmapHeap.java
diffstat 2 files changed, 89 insertions(+), 11 deletions(-) [+]
line wrap: on
line diff
--- a/agent/src/share/classes/sun/jvm/hotspot/tools/HeapSummary.java	Tue Feb 26 22:31:35 2013 +0100
+++ b/agent/src/share/classes/sun/jvm/hotspot/tools/HeapSummary.java	Wed Feb 06 07:48:02 2013 +0100
@@ -57,17 +57,18 @@
       printGCAlgorithm(flagMap);
       System.out.println();
       System.out.println("Heap Configuration:");
-      printValue("MinHeapFreeRatio = ", getFlagValue("MinHeapFreeRatio", flagMap));
-      printValue("MaxHeapFreeRatio = ", getFlagValue("MaxHeapFreeRatio", flagMap));
-      printValMB("MaxHeapSize      = ", getFlagValue("MaxHeapSize", flagMap));
-      printValMB("NewSize          = ", getFlagValue("NewSize", flagMap));
-      printValMB("MaxNewSize       = ", getFlagValue("MaxNewSize", flagMap));
-      printValMB("OldSize          = ", getFlagValue("OldSize", flagMap));
-      printValue("NewRatio         = ", getFlagValue("NewRatio", flagMap));
-      printValue("SurvivorRatio    = ", getFlagValue("SurvivorRatio", flagMap));
-      printValMB("MetaspaceSize    = ", getFlagValue("MetaspaceSize", flagMap));
-      printValMB("MaxMetaspaceSize = ", getFlagValue("MaxMetaspaceSize", flagMap));
-      printValMB("G1HeapRegionSize = ", HeapRegion.grainBytes());
+      printValue("MinHeapFreeRatio   = ", getFlagValue("MinHeapFreeRatio", flagMap));
+      printValue("MaxHeapFreeRatio   = ", getFlagValue("MaxHeapFreeRatio", flagMap));
+      printValMB("MaxHeapSize        = ", getFlagValue("MaxHeapSize", flagMap));
+      printValMB("NewSize            = ", getFlagValue("NewSize", flagMap));
+      printValMB("MaxNewSize         = ", getFlagValue("MaxNewSize", flagMap));
+      printValMB("OldSize            = ", getFlagValue("OldSize", flagMap));
+      printValue("NewRatio           = ", getFlagValue("NewRatio", flagMap));
+      printValue("SurvivorRatio      = ", getFlagValue("SurvivorRatio", flagMap));
+      printValMB("MetaspaceSize      = ", getFlagValue("MetaspaceSize", flagMap));
+      printValMB("ClassMetaspaceSize = ", getFlagValue("ClassMetaspaceSize", flagMap));
+      printValMB("MaxMetaspaceSize   = ", getFlagValue("MaxMetaspaceSize", flagMap));
+      printValMB("G1HeapRegionSize   = ", HeapRegion.grainBytes());
 
       System.out.println();
       System.out.println("Heap Usage:");
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/metaspace/ClassMetaspaceSizeInJmapHeap.java	Wed Feb 06 07:48:02 2013 +0100
@@ -0,0 +1,77 @@
+/*
+ * 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 ClassMetaspaceSizeInJmapHeap
+ * @bug 8004924
+ * @summary Checks that jmap -heap contains the flag ClassMetaspaceSize
+ * @library /testlibrary
+ * @run main/othervm -XX:ClassMetaspaceSize=50m ClassMetaspaceSizeInJmapHeap
+ */
+
+import com.oracle.java.testlibrary.*;
+import java.nio.file.*;
+import java.io.File;
+import java.nio.charset.Charset;
+import java.util.List;
+
+public class ClassMetaspaceSizeInJmapHeap {
+    public static void main(String[] args) throws Exception {
+        String pid = Integer.toString(ProcessTools.getProcessId());
+
+        ProcessBuilder pb = new ProcessBuilder();
+        pb.command(JDKToolFinder.getJDKTool("jmap"), "-heap",  pid);
+
+        File out = new File("ClassMetaspaceSizeInJmapHeap.stdout.txt");
+        pb.redirectOutput(out);
+
+        File err = new File("ClassMetaspaceSizeInJmapHeap.stderr.txt");
+        pb.redirectError(err);
+
+        run(pb);
+
+        OutputAnalyzer output = new OutputAnalyzer(read(out));
+        output.shouldContain("ClassMetaspaceSize = 52428800 (50.0MB)");
+        out.delete();
+    }
+
+    private static void run(ProcessBuilder pb) throws Exception {
+        Process p = pb.start();
+        p.waitFor();
+        int exitValue = p.exitValue();
+        if (exitValue != 0) {
+            throw new Exception("jmap -heap exited with error code: " + exitValue);
+        }
+    }
+
+    private static String read(File f) throws Exception {
+        Path p = f.toPath();
+        List<String> lines = Files.readAllLines(p, Charset.defaultCharset());
+
+        StringBuilder sb = new StringBuilder();
+        for (String line : lines) {
+            sb.append(line).append('\n');
+        }
+        return sb.toString();
+    }
+}