author | iignatyev |
Wed, 17 Jan 2018 21:44:44 -0800 | |
changeset 48791 | 6e079ff6c83c |
parent 48469 | 7312ae4465d6 |
child 51990 | 6003e034cdd8 |
permissions | -rw-r--r-- |
48138 | 1 |
/* |
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* Copyright (c) 2015, 2017, 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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/* |
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* @test |
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* @summary Run multiple processes with the same archive, ensure they share |
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48469
7312ae4465d6
8193672: [test] Enhance vm.cds property to check for all conditions required to run CDS tests
iklam
parents:
48138
diff
changeset
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* |
7312ae4465d6
8193672: [test] Enhance vm.cds property to check for all conditions required to run CDS tests
iklam
parents:
48138
diff
changeset
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* @requires vm.cds |
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* @library /test/lib |
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* @modules java.base/jdk.internal.misc |
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* java.management |
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* jdk.jartool/sun.tools.jar |
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* @build sun.hotspot.WhiteBox |
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6e079ff6c83c
8186635: ClassFileInstaller should be run as a driver
iignatyev
parents:
48469
diff
changeset
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* @run driver ClassFileInstaller sun.hotspot.WhiteBox |
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* @compile test-classes/MultiProcClass.java |
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* @run main MultiProcessSharing |
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*/ |
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import java.io.File; |
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import jdk.test.lib.Asserts; |
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import jdk.test.lib.Platform; |
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import jdk.test.lib.process.OutputAnalyzer; |
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import sun.hotspot.WhiteBox; |
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public class MultiProcessSharing { |
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static String useWbJar; |
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static String sharedClass1Jar; |
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static boolean checkPmap = false; |
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public static void main(String[] args) throws Exception { |
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String wbJar = JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox"); |
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useWbJar = "-Xbootclasspath/a:" + wbJar; |
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sharedClass1Jar = JarBuilder.build("shared_class1", "MultiProcClass"); |
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// create an archive |
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OutputAnalyzer out = TestCommon.dump(sharedClass1Jar, |
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TestCommon.list("MultiProcClass"), useWbJar); |
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TestCommon.checkDump(out); |
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// determine whether OK to use pmap for extra test verification |
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long myPid = ProcessHandle.current().pid(); |
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checkPmap = (Platform.isLinux() && (MultiProcClass.runPmap(myPid, false) == 0)); |
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System.out.println("MultiProcessSharing: checkPmap is " + checkPmap); |
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// use an archive in several processes concurrently |
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int numProcesses = 3; |
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Thread[] threads = new Thread[numProcesses]; |
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ProcessHandler[] processHandlers = new ProcessHandler[numProcesses]; |
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for (int i = 0; i < numProcesses; i++) { |
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processHandlers[i] = new ProcessHandler(i); |
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threads[i] = new Thread(processHandlers[i]); |
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} |
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for (Thread t : threads) { |
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t.start(); |
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} |
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for (Thread t : threads) { |
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try { |
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t.join(); |
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} catch (InterruptedException ie) { |
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throw ie; |
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} |
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} |
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// check results |
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for (ProcessHandler ph : processHandlers) { |
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TestCommon.checkExec(ph.out); |
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if (checkPmap && !TestCommon.isUnableToMap(ph.out)) { |
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checkPmapOutput(ph.out.getOutput()); |
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} |
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} |
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} |
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static class ProcessHandler implements Runnable { |
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int processNumber; |
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OutputAnalyzer out; |
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ProcessHandler(int processNumber) { |
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this.processNumber = processNumber; |
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} |
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@Override |
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public void run() { |
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try { |
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out = TestCommon.exec(sharedClass1Jar, |
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"-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI", useWbJar, |
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"MultiProcClass", "" + processNumber, "" + checkPmap); |
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} catch (Exception e) { |
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throw new RuntimeException("Error occurred when using archive, exec()" + e); |
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} |
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} |
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} |
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private static void checkPmapOutput(String stdio) { |
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System.out.println("Checking pmap output ..."); |
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String[] lines = stdio.split("\n"); |
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boolean foundJsa = false; |
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boolean foundReadOnlyJsaSection = false; |
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for (String line : lines) { |
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if (line.contains(TestCommon.getCurrentArchiveName())) |
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System.out.println(line); |
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foundJsa = true; |
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if (line.contains("r--")) { |
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foundReadOnlyJsaSection = true; |
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} |
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// On certain ARM platforms system maps r/o memory mapped files |
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// as r/x; see JDK-8145694 for details |
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if ( (Platform.isARM() || Platform.isAArch64()) && line.contains("r-x") ) { |
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foundReadOnlyJsaSection = true; |
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} |
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} |
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Asserts.assertTrue(foundJsa && foundReadOnlyJsaSection); |
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} |
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} |