Mercurial > hg > truffle
comparison test/gc/6941923/Test6941923.java @ 9106:0c8ec85fa013
Merge
author | Christos Kotselidis <christos.kotselidis@oracle.com> |
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date | Sat, 13 Apr 2013 00:33:37 +0200 |
parents | 63f57a8c5283 |
children | de6a9e811145 |
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9105:2cae919cd3af | 9106:0c8ec85fa013 |
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1 /* | |
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 | |
24 /* | |
25 * @test Test6941923.java | |
26 * @bug 6941923 | |
27 * @summary test flags for gc log rotation | |
28 * @library /testlibrary | |
29 * @run main/othervm/timeout=600 Test6941923 | |
30 * | |
31 */ | |
32 import com.oracle.java.testlibrary.*; | |
33 import java.io.File; | |
34 import java.io.FilenameFilter; | |
35 import java.util.ArrayList; | |
36 import java.util.Arrays; | |
37 | |
38 class GCLoggingGenerator { | |
39 | |
40 public static void main(String[] args) throws Exception { | |
41 | |
42 long sizeOfLog = Long.parseLong(args[0]); | |
43 long lines = sizeOfLog / 80; | |
44 // full.GC generates ad least 1-line which is not shorter then 80 chars | |
45 // for some GC 2 shorter lines are generated | |
46 for (long i = 0; i < lines; i++) { | |
47 System.gc(); | |
48 } | |
49 } | |
50 } | |
51 | |
52 public class Test6941923 { | |
53 | |
54 static final File currentDirectory = new File("."); | |
55 static final String logFileName = "test.log"; | |
56 static final int logFileSizeK = 16; | |
57 static FilenameFilter logFilter = new FilenameFilter() { | |
58 @Override | |
59 public boolean accept(File dir, String name) { | |
60 return name.startsWith(logFileName); | |
61 } | |
62 }; | |
63 | |
64 public static void cleanLogs() { | |
65 for (File log : currentDirectory.listFiles(logFilter)) { | |
66 if (!log.delete()) { | |
67 throw new Error("Unable to delete " + log.getAbsolutePath()); | |
68 } | |
69 } | |
70 } | |
71 | |
72 public static void runTest(int numberOfFiles) throws Exception { | |
73 | |
74 ArrayList<String> args = new ArrayList(); | |
75 String[] logOpts = new String[]{ | |
76 "-cp", System.getProperty("java.class.path"), | |
77 "-Xloggc:" + logFileName, | |
78 "-XX:-DisableExplicitGC", // to sure that System.gc() works | |
79 "-XX:+PrintGC", "-XX:+PrintGCDetails", "-XX:+UseGCLogFileRotation", | |
80 "-XX:NumberOfGCLogFiles=" + numberOfFiles, | |
81 "-XX:GCLogFileSize=" + logFileSizeK + "K", "-Xmx128M"}; | |
82 // System.getProperty("test.java.opts") is '' if no options is set | |
83 // need to skip such empty | |
84 String[] externalVMopts = System.getProperty("test.java.opts").length() == 0 | |
85 ? new String[0] | |
86 : System.getProperty("test.java.opts").split(" "); | |
87 args.addAll(Arrays.asList(externalVMopts)); | |
88 args.addAll(Arrays.asList(logOpts)); | |
89 args.add(GCLoggingGenerator.class.getName()); | |
90 args.add(String.valueOf(numberOfFiles * logFileSizeK * 1024)); | |
91 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args.toArray(new String[0])); | |
92 pb.redirectErrorStream(true); | |
93 pb.redirectOutput(new File(GCLoggingGenerator.class.getName() + ".log")); | |
94 Process process = pb.start(); | |
95 int result = process.waitFor(); | |
96 if (result != 0) { | |
97 throw new Error("Unexpected exit code = " + result); | |
98 } | |
99 File[] logs = currentDirectory.listFiles(logFilter); | |
100 int smallFilesNumber = 0; | |
101 for (File log : logs) { | |
102 if (log.length() < logFileSizeK * 1024) { | |
103 smallFilesNumber++; | |
104 } | |
105 } | |
106 if (logs.length != numberOfFiles) { | |
107 throw new Error("There are only " + logs.length + " logs instead " + numberOfFiles); | |
108 } | |
109 if (smallFilesNumber > 1) { | |
110 throw new Error("There should maximum one log with size < " + logFileSizeK + "K"); | |
111 } | |
112 } | |
113 | |
114 public static void main(String[] args) throws Exception { | |
115 cleanLogs(); | |
116 runTest(1); | |
117 cleanLogs(); | |
118 runTest(3); | |
119 cleanLogs(); | |
120 } | |
121 } |