Mercurial > hg > graal-compiler
view test/gc/6941923/Test6941923.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 | 55fb97c4c58d |
children | 4ca6dc0799b6 |
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/* * Copyright (c) 2012, 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 Test6941923.java * @bug 6941923 * @summary test flags for gc log rotation * @library /testlibrary * @run main/othervm/timeout=600 Test6941923 * */ import com.oracle.java.testlibrary.*; import java.io.File; import java.io.FilenameFilter; import java.util.ArrayList; import java.util.Arrays; class GCLoggingGenerator { public static void main(String[] args) throws Exception { long sizeOfLog = Long.parseLong(args[0]); long lines = sizeOfLog / 80; // full.GC generates ad least 1-line which is not shorter then 80 chars // for some GC 2 shorter lines are generated for (long i = 0; i < lines; i++) { System.gc(); } } } public class Test6941923 { static final File currentDirectory = new File("."); static final String logFileName = "test.log"; static final int logFileSizeK = 16; static FilenameFilter logFilter = new FilenameFilter() { @Override public boolean accept(File dir, String name) { return name.startsWith(logFileName); } }; public static void cleanLogs() { for (File log : currentDirectory.listFiles(logFilter)) { if (!log.delete()) { throw new Error("Unable to delete " + log.getAbsolutePath()); } } } public static void runTest(int numberOfFiles) throws Exception { ArrayList<String> args = new ArrayList(); String[] logOpts = new String[]{ "-cp", System.getProperty("java.class.path"), "-Xloggc:" + logFileName, "-XX:-DisableExplicitGC", // to sure that System.gc() works "-XX:+PrintGC", "-XX:+PrintGCDetails", "-XX:+UseGCLogFileRotation", "-XX:NumberOfGCLogFiles=" + numberOfFiles, "-XX:GCLogFileSize=" + logFileSizeK + "K", "-Xmx128M"}; // System.getProperty("test.java.opts") is '' if no options is set // need to skip such empty String[] externalVMopts = System.getProperty("test.java.opts").length() == 0 ? new String[0] : System.getProperty("test.java.opts").split(" "); args.addAll(Arrays.asList(externalVMopts)); args.addAll(Arrays.asList(logOpts)); args.add(GCLoggingGenerator.class.getName()); args.add(String.valueOf(numberOfFiles * logFileSizeK * 1024)); ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args.toArray(new String[0])); pb.redirectErrorStream(true); pb.redirectOutput(new File(GCLoggingGenerator.class.getName() + ".log")); Process process = pb.start(); int result = process.waitFor(); if (result != 0) { throw new Error("Unexpected exit code = " + result); } File[] logs = currentDirectory.listFiles(logFilter); int smallFilesNumber = 0; for (File log : logs) { if (log.length() < logFileSizeK * 1024) { smallFilesNumber++; } } if (logs.length != numberOfFiles) { throw new Error("There are only " + logs.length + " logs instead " + numberOfFiles); } if (smallFilesNumber > 1) { throw new Error("There should maximum one log with size < " + logFileSizeK + "K"); } } public static void main(String[] args) throws Exception { cleanLogs(); runTest(1); cleanLogs(); runTest(3); cleanLogs(); } }