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comparison test/gc/TestGCLogRotationViaJcmd.java @ 17827:f42c10a3d4b1

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7090324: gclog rotation via external tool Summary: GC log rotation can be set via java command line, but customer sometime need to sync with OS level rotation setting. Reviewed-by: sla, minqi, ehelin Contributed-by: suenaga.yasumasa@lab.ntt.co.jp
author minqi
date Mon, 31 Mar 2014 13:09:35 -0700
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17826:d5818eeedb40 17827:f42c10a3d4b1
1 /*
2 * Copyright (c) 2014, 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 TestGCLogRotationViaJcmd.java
26 * @bug 7090324
27 * @summary test for gc log rotation via jcmd
28 * @library /testlibrary
29 * @run main/othervm -Xloggc:test.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=3 TestGCLogRotationViaJcmd
30 *
31 */
32 import com.oracle.java.testlibrary.*;
33 import java.io.File;
34 import java.io.FilenameFilter;
35
36 public class TestGCLogRotationViaJcmd {
37
38 static final File currentDirectory = new File(".");
39 static final String LOG_FILE_NAME = "test.log";
40 static final int NUM_LOGS = 3;
41
42 static FilenameFilter logFilter = new FilenameFilter() {
43 @Override
44 public boolean accept(File dir, String name) {
45 return name.startsWith(LOG_FILE_NAME);
46 }
47 };
48
49 public static void main(String[] args) throws Exception {
50 // Grab the pid from the current java process
51 String pid = Integer.toString(ProcessTools.getProcessId());
52
53 // Create a JDKToolLauncher
54 JDKToolLauncher jcmd = JDKToolLauncher.create("jcmd")
55 .addToolArg(pid)
56 .addToolArg("GC.rotate_log");
57
58 for (int times = 1; times < NUM_LOGS; times++) {
59 // Run jcmd <pid> GC.rotate_log
60 ProcessBuilder pb = new ProcessBuilder(jcmd.getCommand());
61
62 // Make sure we didn't crash
63 OutputAnalyzer output = new OutputAnalyzer(pb.start());
64 output.shouldHaveExitValue(0);
65 }
66
67 // GC log check
68 File[] logs = currentDirectory.listFiles(logFilter);
69 if (logs.length != NUM_LOGS) {
70 throw new Error("There are only " + logs.length
71 + " logs instead " + NUM_LOGS);
72 }
73
74 }
75
76 }
77