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8240989: convert clhsdb "dumpheap" command from javascript to java

Reviewed-by: amenkov, ysuenaga
  • Loading branch information
plummercj committed Apr 3, 2020
1 parent acafdb3 commit 965404dd986383488113a8fe3f72560b3704c184
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 2020, 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
@@ -74,6 +74,7 @@
import sun.jvm.hotspot.runtime.Threads;
import sun.jvm.hotspot.runtime.VM;
import sun.jvm.hotspot.tools.ObjectHistogram;
import sun.jvm.hotspot.tools.JMap;
import sun.jvm.hotspot.tools.PMap;
import sun.jvm.hotspot.tools.PStack;
import sun.jvm.hotspot.tools.StackTrace;
@@ -1702,6 +1703,29 @@ public void doit(Tokens t) {
}
}
},
new Command("dumpheap", "dumpheap [filename]", false) {
public void doit(Tokens t) {
if (t.countTokens() > 1) {
usage();
} else {
JMap jmap = new JMap();
String filename;
if (t.countTokens() == 1) {
filename = t.nextToken();
} else {
filename = "heap.bin";;
}
try {
jmap.writeHeapHprofBin(filename);
} catch (Exception e) {
err.println("Error: " + e);
if (verboseExceptions) {
e.printStackTrace(err);
}
}
}
}
},
};

private boolean verboseExceptions = false;
@@ -28,6 +28,7 @@
#############################################################################

resourcehogs/serviceability/sa/TestHeapDumpForLargeArray.java 8220624 generic-all
serviceability/sa/ClhsdbDumpheap.java 8220624 generic-all
serviceability/sa/CDSJMapClstats.java 8220624 generic-all
serviceability/sa/ClhsdbCDSJstackPrintAll.java 8220624 generic-all
serviceability/sa/ClhsdbFindPC.java#id0 8220624 generic-all
@@ -102,6 +102,7 @@ serviceability/sa/ClhsdbAttach.java 8193639 solaris-all
serviceability/sa/ClhsdbCDSCore.java 8193639 solaris-all
serviceability/sa/ClhsdbCDSJstackPrintAll.java 8193639 solaris-all
serviceability/sa/CDSJMapClstats.java 8193639 solaris-all
serviceability/sa/ClhsdbDumpheap.java 8193639 solaris-all
serviceability/sa/ClhsdbField.java 8193639 solaris-all
serviceability/sa/ClhsdbFindPC.java#id0 8193639 solaris-all
serviceability/sa/ClhsdbFindPC.java#id1 8193639 solaris-all
@@ -0,0 +1,83 @@
/*
* Copyright (c) 2020, 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.
*/

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import jdk.test.lib.apps.LingeredApp;
import jdk.test.lib.hprof.parser.HprofReader;
import jtreg.SkippedException;

/**
* @test
* @bug 8240989
* @summary Test clhsdb dumpheap command
* @requires vm.hasSA
* @library /test/lib
* @run main/othervm ClhsdbDumpheap
*/

public class ClhsdbDumpheap {
public static void printStackTraces(String file) {
try {
System.out.println("HprofReader.getStack() output:");
String output = HprofReader.getStack(file, 0);
if (!output.contains("LingeredApp.main")) {
throw new RuntimeException("'LingeredApp.main' missing from stdout/stderr");
}
} catch (Exception ex) {
throw new RuntimeException("Test ERROR " + ex, ex);
}
}

public static void main(String[] args) throws Exception {
System.out.println("Starting ClhsdbDumpheap test");

LingeredApp theApp = null;
try {
String heapDumpFileName = "heapdump.bin";
ClhsdbLauncher test = new ClhsdbLauncher();

theApp = new LingeredApp();
LingeredApp.startApp(theApp);
System.out.println("Started LingeredApp with pid " + theApp.getPid());

List<String> cmds = List.of("dumpheap " + heapDumpFileName);

Map<String, List<String>> expStrMap = new HashMap<>();
expStrMap.put("dumpheap", List.of(
"heap written to " + heapDumpFileName));

test.run(theApp.getPid(), cmds, expStrMap, null);
printStackTraces(heapDumpFileName);
} catch (SkippedException se) {
throw se;
} catch (Exception ex) {
throw new RuntimeException("Test ERROR " + ex, ex);
} finally {
LingeredApp.stopApp(theApp);
}
System.out.println("Test PASSED");
}
}

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