Mon, 28 Jul 2014 15:06:38 -0700
8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /* |
aoqi@0 | 25 | * @test TestSummarizeRSetStatsThreads |
aoqi@0 | 26 | * @bug 8025441 |
aoqi@0 | 27 | * @summary Ensure that various values of worker threads/concurrent |
aoqi@0 | 28 | * refinement threads do not crash the VM. |
aoqi@0 | 29 | * @key gc |
aoqi@0 | 30 | * @library /testlibrary |
aoqi@0 | 31 | */ |
aoqi@0 | 32 | |
aoqi@0 | 33 | import java.util.regex.Matcher; |
aoqi@0 | 34 | import java.util.regex.Pattern; |
aoqi@0 | 35 | |
aoqi@0 | 36 | import com.oracle.java.testlibrary.ProcessTools; |
aoqi@0 | 37 | import com.oracle.java.testlibrary.OutputAnalyzer; |
aoqi@0 | 38 | |
aoqi@0 | 39 | public class TestSummarizeRSetStatsThreads { |
aoqi@0 | 40 | |
aoqi@0 | 41 | private static void runTest(int refinementThreads, int workerThreads) throws Exception { |
aoqi@0 | 42 | ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", |
aoqi@0 | 43 | "-XX:+UnlockDiagnosticVMOptions", |
aoqi@0 | 44 | "-XX:+G1SummarizeRSetStats", |
aoqi@0 | 45 | "-XX:G1ConcRefinementThreads=" + refinementThreads, |
aoqi@0 | 46 | "-XX:ParallelGCThreads=" + workerThreads, |
aoqi@0 | 47 | "-version"); |
aoqi@0 | 48 | |
aoqi@0 | 49 | OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
aoqi@0 | 50 | |
aoqi@0 | 51 | // check output to contain the string "Concurrent RS threads times (s)" followed by |
aoqi@0 | 52 | // the correct number of values in the next line. |
aoqi@0 | 53 | |
aoqi@0 | 54 | // a zero in refinement thread numbers indicates that the value in ParallelGCThreads should be used. |
aoqi@0 | 55 | // Additionally use at least one thread. |
aoqi@0 | 56 | int expectedNumRefinementThreads = refinementThreads == 0 ? workerThreads : refinementThreads; |
aoqi@0 | 57 | expectedNumRefinementThreads = Math.max(1, expectedNumRefinementThreads); |
aoqi@0 | 58 | // create the pattern made up of n copies of a floating point number pattern |
aoqi@0 | 59 | String numberPattern = String.format("%0" + expectedNumRefinementThreads + "d", 0) |
aoqi@0 | 60 | .replace("0", "\\s+\\d+\\.\\d+"); |
aoqi@0 | 61 | String pattern = "Concurrent RS threads times \\(s\\)$" + numberPattern + "$"; |
aoqi@0 | 62 | Matcher m = Pattern.compile(pattern, Pattern.MULTILINE).matcher(output.getStdout()); |
aoqi@0 | 63 | |
aoqi@0 | 64 | if (!m.find()) { |
aoqi@0 | 65 | throw new Exception("Could not find correct output for concurrent RS threads times in stdout," + |
aoqi@0 | 66 | " should match the pattern \"" + pattern + "\", but stdout is \n" + output.getStdout()); |
aoqi@0 | 67 | } |
aoqi@0 | 68 | output.shouldHaveExitValue(0); |
aoqi@0 | 69 | } |
aoqi@0 | 70 | |
aoqi@0 | 71 | public static void main(String[] args) throws Exception { |
aoqi@0 | 72 | if (!TestSummarizeRSetStatsTools.testingG1GC()) { |
aoqi@0 | 73 | return; |
aoqi@0 | 74 | } |
aoqi@0 | 75 | // different valid combinations of number of refinement and gc worker threads |
aoqi@0 | 76 | runTest(0, 0); |
aoqi@0 | 77 | runTest(0, 5); |
aoqi@0 | 78 | runTest(5, 0); |
aoqi@0 | 79 | runTest(10, 10); |
aoqi@0 | 80 | runTest(1, 2); |
aoqi@0 | 81 | runTest(4, 3); |
aoqi@0 | 82 | } |
aoqi@0 | 83 | } |