8004924: NPG: jmap -heap output should contain ClassMetaspaceSize value
Reviewed-by: stefank, mgerdin
--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/tools/HeapSummary.java Tue Feb 26 22:31:35 2013 +0100
+++ b/hotspot/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/hotspot/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();
+ }
+}