Mercurial > hg > truffle
view test/gc/g1/TestSummarizeRSetStatsThreads.java @ 12663:7f507f082daa
Merge.
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 04 Nov 2013 16:12:48 +0100 |
parents | 7ec10139bf37 |
children | 05b726bce3e6 |
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/* * 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 TestSummarizeRSetStatsThreads * @bug 8025441 * @summary Ensure that various values of worker threads/concurrent * refinement threads do not crash the VM. * @key gc * @library /testlibrary */ import java.util.regex.Matcher; import java.util.regex.Pattern; import com.oracle.java.testlibrary.ProcessTools; import com.oracle.java.testlibrary.OutputAnalyzer; public class TestSummarizeRSetStatsThreads { private static void runTest(int refinementThreads, int workerThreads) throws Exception { ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", "-XX:+UnlockDiagnosticVMOptions", "-XX:+G1SummarizeRSetStats", "-XX:G1ConcRefinementThreads=" + refinementThreads, "-XX:ParallelGCThreads=" + workerThreads, "-version"); OutputAnalyzer output = new OutputAnalyzer(pb.start()); // check output to contain the string "Concurrent RS threads times (s)" followed by // the correct number of values in the next line. // a zero in refinement thread numbers indicates that the value in ParallelGCThreads should be used. // Additionally use at least one thread. int expectedNumRefinementThreads = refinementThreads == 0 ? workerThreads : refinementThreads; expectedNumRefinementThreads = Math.max(1, expectedNumRefinementThreads); // create the pattern made up of n copies of a floating point number pattern String numberPattern = String.format("%0" + expectedNumRefinementThreads + "d", 0) .replace("0", "\\s+\\d+\\.\\d+"); String pattern = "Concurrent RS threads times \\(s\\)$" + numberPattern + "$"; Matcher m = Pattern.compile(pattern, Pattern.MULTILINE).matcher(output.getStdout()); if (!m.find()) { throw new Exception("Could not find correct output for concurrent RS threads times in stdout," + " should match the pattern \"" + pattern + "\", but stdout is \n" + output.getStdout()); } output.shouldHaveExitValue(0); } public static void main(String[] args) throws Exception { if (!TestSummarizeRSetStatsTools.testingG1GC()) { return; } // different valid combinations of number of refinement and gc worker threads runTest(0, 0); runTest(0, 5); runTest(5, 0); runTest(10, 10); runTest(1, 2); runTest(4, 3); } }