Mercurial > hg > graal-compiler
view test/gc/g1/TestGCLogMessages.java @ 20276:1526a938e670
8047818: G1 HeapRegions can no longer be ContiguousSpaces
Summary: Change parent of G1OffsetTableContigSpace to CompactibleSpace, reimplement missing functionality
Reviewed-by: stefank, jmasa, tschatzl
author | mgerdin |
---|---|
date | Thu, 26 Jun 2014 11:36:58 +0200 |
parents | 6e1f418b39c3 |
children | a3953c777565 |
line wrap: on
line source
/* * Copyright (c) 2014, 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 TestGCLogMessages * @bug 8035406 8027295 8035398 8019342 * @summary Ensure that the PrintGCDetails output for a minor GC with G1 * includes the expected necessary messages. * @key gc * @library /testlibrary */ import com.oracle.java.testlibrary.ProcessTools; import com.oracle.java.testlibrary.OutputAnalyzer; public class TestGCLogMessages { public static void main(String[] args) throws Exception { testNormalLogs(); testWithToSpaceExhaustionLogs(); } private static void testNormalLogs() throws Exception { ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", "-Xmx10M", GCTest.class.getName()); OutputAnalyzer output = new OutputAnalyzer(pb.start()); output.shouldNotContain("[Redirty Cards"); output.shouldNotContain("[Parallel Redirty"); output.shouldNotContain("[Redirtied Cards"); output.shouldNotContain("[Code Root Purge"); output.shouldNotContain("[String Dedup Fixup"); output.shouldNotContain("[Young Free CSet"); output.shouldNotContain("[Non-Young Free CSet"); output.shouldHaveExitValue(0); pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", "-XX:+UseStringDeduplication", "-Xmx10M", "-XX:+PrintGCDetails", GCTest.class.getName()); output = new OutputAnalyzer(pb.start()); output.shouldContain("[Redirty Cards"); output.shouldNotContain("[Parallel Redirty"); output.shouldNotContain("[Redirtied Cards"); output.shouldContain("[Code Root Purge"); output.shouldContain("[String Dedup Fixup"); output.shouldNotContain("[Young Free CSet"); output.shouldNotContain("[Non-Young Free CSet"); output.shouldHaveExitValue(0); pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", "-XX:+UseStringDeduplication", "-Xmx10M", "-XX:+PrintGCDetails", "-XX:+UnlockExperimentalVMOptions", "-XX:G1LogLevel=finest", GCTest.class.getName()); output = new OutputAnalyzer(pb.start()); output.shouldContain("[Redirty Cards"); output.shouldContain("[Parallel Redirty"); output.shouldContain("[Redirtied Cards"); output.shouldContain("[Code Root Purge"); output.shouldContain("[String Dedup Fixup"); output.shouldContain("[Young Free CSet"); output.shouldContain("[Non-Young Free CSet"); output.shouldHaveExitValue(0); } private static void testWithToSpaceExhaustionLogs() throws Exception { ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", "-Xmx10M", "-Xmn5M", "-XX:+PrintGCDetails", GCTestWithToSpaceExhaustion.class.getName()); OutputAnalyzer output = new OutputAnalyzer(pb.start()); output.shouldContain("[Evacuation Failure"); output.shouldNotContain("[Recalculate Used"); output.shouldNotContain("[Remove Self Forwards"); output.shouldNotContain("[Restore RemSet"); output.shouldHaveExitValue(0); pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", "-Xmx10M", "-Xmn5M", "-XX:+PrintGCDetails", "-XX:+UnlockExperimentalVMOptions", "-XX:G1LogLevel=finest", GCTestWithToSpaceExhaustion.class.getName()); output = new OutputAnalyzer(pb.start()); output.shouldContain("[Evacuation Failure"); output.shouldContain("[Recalculate Used"); output.shouldContain("[Remove Self Forwards"); output.shouldContain("[Restore RemSet"); output.shouldHaveExitValue(0); } static class GCTest { private static byte[] garbage; public static void main(String [] args) { System.out.println("Creating garbage"); // create 128MB of garbage. This should result in at least one GC for (int i = 0; i < 1024; i++) { garbage = new byte[128 * 1024]; } System.out.println("Done"); } } static class GCTestWithToSpaceExhaustion { private static byte[] garbage; private static byte[] largeObject; public static void main(String [] args) { largeObject = new byte[5*1024*1024]; System.out.println("Creating garbage"); // create 128MB of garbage. This should result in at least one GC, // some of them with to-space exhaustion. for (int i = 0; i < 1024; i++) { garbage = new byte[128 * 1024]; } System.out.println("Done"); } } }