test/gc/g1/TestSummarizeRSetStatsThreads.java

Mon, 28 Jul 2014 15:06:38 -0700

author
fzhinkin
date
Mon, 28 Jul 2014 15:06:38 -0700
changeset 6997
dbb05f6d93c4
parent 0
f90c822e73f8
child 7260
05b726bce3e6
permissions
-rw-r--r--

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 }

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