• file
• revisions
• annotate
• diff
• comparison
• raw

test/gc/6941923/Test6941923.java@f90c822e73f8 (annotated)

test/gc/6941923/Test6941923.java

Wed, 27 Apr 2016 01:25:04 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:25:04 +0800

changeset 0

f90c822e73f8

child 6876

710a3c8b516e

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2012, 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 Test6941923.java
aoqi@0	26	* @bug 6941923
aoqi@0	27	* @summary test flags for gc log rotation
aoqi@0	28	* @library /testlibrary
aoqi@0	29	* @run main/othervm/timeout=600 Test6941923
aoqi@0	30	*
aoqi@0	31	*/
aoqi@0	32	import com.oracle.java.testlibrary.*;
aoqi@0	33	import java.io.File;
aoqi@0	34	import java.io.FilenameFilter;
aoqi@0	35	import java.util.ArrayList;
aoqi@0	36	import java.util.Arrays;
aoqi@0	37
aoqi@0	38	class GCLoggingGenerator {
aoqi@0	39
aoqi@0	40	public static void main(String[] args) throws Exception {
aoqi@0	41
aoqi@0	42	long sizeOfLog = Long.parseLong(args[0]);
aoqi@0	43	long lines = sizeOfLog / 80;
aoqi@0	44	// full.GC generates ad least 1-line which is not shorter then 80 chars
aoqi@0	45	// for some GC 2 shorter lines are generated
aoqi@0	46	for (long i = 0; i < lines; i++) {
aoqi@0	47	System.gc();
aoqi@0	48	}
aoqi@0	49	}
aoqi@0	50	}
aoqi@0	51
aoqi@0	52	public class Test6941923 {
aoqi@0	53
aoqi@0	54	static final File currentDirectory = new File(".");
aoqi@0	55	static final String logFileName = "test.log";
aoqi@0	56	static final int logFileSizeK = 16;
aoqi@0	57	static FilenameFilter logFilter = new FilenameFilter() {
aoqi@0	58	@Override
aoqi@0	59	public boolean accept(File dir, String name) {
aoqi@0	60	return name.startsWith(logFileName);
aoqi@0	61	}
aoqi@0	62	};
aoqi@0	63
aoqi@0	64	public static void cleanLogs() {
aoqi@0	65	for (File log : currentDirectory.listFiles(logFilter)) {
aoqi@0	66	if (!log.delete()) {
aoqi@0	67	throw new Error("Unable to delete " + log.getAbsolutePath());
aoqi@0	68	}
aoqi@0	69	}
aoqi@0	70	}
aoqi@0	71
aoqi@0	72	public static void runTest(int numberOfFiles) throws Exception {
aoqi@0	73
aoqi@0	74	ArrayList<String> args = new ArrayList();
aoqi@0	75	String[] logOpts = new String[]{
aoqi@0	76	"-cp", System.getProperty("java.class.path"),
aoqi@0	77	"-Xloggc:" + logFileName,
aoqi@0	78	"-XX:-DisableExplicitGC", // to sure that System.gc() works
aoqi@0	79	"-XX:+PrintGC", "-XX:+PrintGCDetails", "-XX:+UseGCLogFileRotation",
aoqi@0	80	"-XX:NumberOfGCLogFiles=" + numberOfFiles,
aoqi@0	81	"-XX:GCLogFileSize=" + logFileSizeK + "K", "-Xmx128M"};
aoqi@0	82	// System.getProperty("test.java.opts") is '' if no options is set
aoqi@0	83	// need to skip such empty
aoqi@0	84	String[] externalVMopts = System.getProperty("test.java.opts").length() == 0
aoqi@0	85	? new String[0]
aoqi@0	86	: System.getProperty("test.java.opts").split(" ");
aoqi@0	87	args.addAll(Arrays.asList(externalVMopts));
aoqi@0	88	args.addAll(Arrays.asList(logOpts));
aoqi@0	89	args.add(GCLoggingGenerator.class.getName());
aoqi@0	90	args.add(String.valueOf(numberOfFiles * logFileSizeK * 1024));
aoqi@0	91	ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args.toArray(new String[0]));
aoqi@0	92	pb.redirectErrorStream(true);
aoqi@0	93	pb.redirectOutput(new File(GCLoggingGenerator.class.getName() + ".log"));
aoqi@0	94	Process process = pb.start();
aoqi@0	95	int result = process.waitFor();
aoqi@0	96	if (result != 0) {
aoqi@0	97	throw new Error("Unexpected exit code = " + result);
aoqi@0	98	}
aoqi@0	99	File[] logs = currentDirectory.listFiles(logFilter);
aoqi@0	100	int smallFilesNumber = 0;
aoqi@0	101	for (File log : logs) {
aoqi@0	102	if (log.length() < logFileSizeK * 1024) {
aoqi@0	103	smallFilesNumber++;
aoqi@0	104	}
aoqi@0	105	}
aoqi@0	106	if (logs.length != numberOfFiles) {
aoqi@0	107	throw new Error("There are only " + logs.length + " logs instead " + numberOfFiles);
aoqi@0	108	}
aoqi@0	109	if (smallFilesNumber > 1) {
aoqi@0	110	throw new Error("There should maximum one log with size < " + logFileSizeK + "K");
aoqi@0	111	}
aoqi@0	112	}
aoqi@0	113
aoqi@0	114	public static void main(String[] args) throws Exception {
aoqi@0	115	cleanLogs();
aoqi@0	116	runTest(1);
aoqi@0	117	cleanLogs();
aoqi@0	118	runTest(3);
aoqi@0	119	cleanLogs();
aoqi@0	120	}
aoqi@0	121	}