author | hseigel |
Wed, 10 Aug 2016 15:48:04 -0700 | |
changeset 40244 | b3055c216762 |
parent 39999 | 82ece130a37b |
child 40631 | ed82623d7831 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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import sun.jvm.hotspot.HotSpotAgent; |
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import sun.jvm.hotspot.utilities.SystemDictionaryHelper; |
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import sun.jvm.hotspot.oops.InstanceKlass; |
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import sun.jvm.hotspot.debugger.*; |
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|
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import jdk.test.lib.JDKToolLauncher; |
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import jdk.test.lib.JDKToolFinder; |
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import jdk.test.lib.Platform; |
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import jdk.test.lib.ProcessTools; |
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import jdk.test.lib.OutputAnalyzer; |
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import jdk.test.lib.Utils; |
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import jdk.test.lib.Asserts; |
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/* |
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* @test |
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* @library /test/lib/share/classes |
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* @library /testlibrary |
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* @build jdk.test.lib.* |
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* @build jdk.test.lib.apps.* |
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* @modules java.base/jdk.internal.misc |
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* @modules jdk.hotspot.agent |
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* @modules jdk.hotspot.agent/sun.jvm.hotspot |
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* @modules jdk.hotspot.agent/sun.jvm.hotspot.utilities |
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* @modules jdk.hotspot.agent/sun.jvm.hotspot.oops |
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* @compile -XDignore.symbol.file=true -Xmodule:jdk.hotspot.agent TestInstanceKlassSizeForInterface.java |
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* @run main/othervm TestInstanceKlassSizeForInterface |
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*/ |
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interface Language { |
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static final long nbrOfWords = 99999; |
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public abstract long getNbrOfWords(); |
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} |
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class ParselTongue implements Language { |
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public long getNbrOfWords() { |
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return nbrOfWords * 4; |
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} |
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} |
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public class TestInstanceKlassSizeForInterface { |
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private static void SAInstanceKlassSize(int pid, |
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String[] instanceKlassNames) { |
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HotSpotAgent agent = new HotSpotAgent(); |
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try { |
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agent.attach((int)pid); |
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} |
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catch (DebuggerException e) { |
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System.out.println(e.getMessage()); |
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System.err.println("Unable to connect to process ID: " + pid); |
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agent.detach(); |
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e.printStackTrace(); |
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} |
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for (String instanceKlassName : instanceKlassNames) { |
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InstanceKlass iKlass = SystemDictionaryHelper.findInstanceKlass( |
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instanceKlassName); |
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System.out.println("SA: The size of " + instanceKlassName + |
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" is " + iKlass.getSize()); |
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} |
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agent.detach(); |
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} |
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private static String getJcmdInstanceKlassSize(OutputAnalyzer output, |
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String instanceKlassName) { |
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for (String s : output.asLines()) { |
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if (s.contains(instanceKlassName)) { |
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String tokens[]; |
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System.out.println(s); |
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tokens = s.split("\\s+"); |
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return tokens[3]; |
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} |
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} |
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return null; |
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} |
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private static void createAnotherToAttach( |
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String[] instanceKlassNames) throws Exception { |
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ProcessBuilder pb = new ProcessBuilder(); |
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// Grab the pid from the current java process and pass it |
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String[] toolArgs = { |
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"-XX:+UnlockDiagnosticVMOptions", |
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"--add-modules=jdk.hotspot.agent", |
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"--add-exports=jdk.hotspot.agent/sun.jvm.hotspot=ALL-UNNAMED", |
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"--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.utilities=ALL-UNNAMED", |
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"--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.oops=ALL-UNNAMED", |
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"TestInstanceKlassSizeForInterface", |
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Long.toString(ProcessTools.getProcessId()) |
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}; |
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|
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pb.command(new String[] { |
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JDKToolFinder.getJDKTool("jcmd"), |
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Long.toString(ProcessTools.getProcessId()), |
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"GC.class_stats", |
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"VTab,ITab,OopMap,KlassBytes" |
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} |
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); |
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|
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// Start a new process to attach to the current process |
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ProcessBuilder processBuilder = ProcessTools |
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.createJavaProcessBuilder(toolArgs); |
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OutputAnalyzer SAOutput = ProcessTools.executeProcess(processBuilder); |
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System.out.println(SAOutput.getOutput()); |
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|
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OutputAnalyzer jcmdOutput = new OutputAnalyzer(pb.start()); |
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System.out.println(jcmdOutput.getOutput()); |
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|
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// Match the sizes from both the output streams |
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for (String instanceKlassName : instanceKlassNames) { |
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System.out.println ("Trying to match for " + instanceKlassName); |
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String jcmdInstanceKlassSize = getJcmdInstanceKlassSize( |
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jcmdOutput, |
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instanceKlassName); |
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for (String s : SAOutput.asLines()) { |
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if (s.contains(instanceKlassName)) { |
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Asserts.assertTrue( |
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s.contains(jcmdInstanceKlassSize), |
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"The size computed by SA for " + |
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instanceKlassName + " does not match."); |
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} |
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} |
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} |
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} |
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|
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public static void main (String... args) throws Exception { |
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String[] instanceKlassNames = new String[] { |
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"Language", |
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"ParselTongue", |
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"TestInstanceKlassSizeForInterface$1" |
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}; |
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|
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if (!Platform.shouldSAAttach()) { |
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System.out.println( |
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"SA attach not expected to work - test skipped."); |
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return; |
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} |
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|
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if ( args == null || args.length == 0 ) { |
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ParselTongue lang = new ParselTongue(); |
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|
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Language ventro = new Language() { |
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public long getNbrOfWords() { |
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return nbrOfWords * 8; |
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} |
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}; |
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|
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// Not tested at this point. The test needs to be enhanced |
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// later to test for the sizes of the Lambda MetaFactory |
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// generated anonymous classes too. (After JDK-8160228 gets |
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// fixed.) |
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Runnable r2 = () -> System.out.println("Hello world!"); |
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r2.run(); |
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|
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createAnotherToAttach(instanceKlassNames); |
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} else { |
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SAInstanceKlassSize(Integer.parseInt(args[0]), instanceKlassNames); |
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} |
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} |
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} |