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comparison test/gc/g1/TestPrintRegionRememberedSetInfo.java @ 10290:05a17f270c7e

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8014240: G1: Add remembered set size information to output of G1PrintRegionLivenessInfo Summary: Improve the output of G1PrintRegionLivenessInfo by adding a per-region remembered set size information column Reviewed-by: jwilhelm, johnc
author tschatzl
date Thu, 16 May 2013 13:02:33 +0200
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children e3c8767c5cf8
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10289:bed55d125e37 10290:05a17f270c7e
1 /*
2 * Copyright (c) 2013, 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 TestPrintRegionRememberedSetInfo
26 * @key gc
27 * @bug 8014240
28 * @summary Test output of G1PrintRegionRememberedSetInfo
29 * @library /testlibrary
30 * @build TestPrintRegionRememberedSetInfo
31 * @author thomas.schatzl@oracle.com
32 */
33
34 import com.oracle.java.testlibrary.*;
35 import java.lang.Thread;
36 import java.util.ArrayList;
37 import java.util.Arrays;
38
39 class RunAndWaitForMarking {
40 public static void main(String[] args) {
41 System.gc();
42 try {
43 Thread.sleep(200);
44 } catch (InterruptedException e) {
45 }
46 }
47 }
48
49 public class TestPrintRegionRememberedSetInfo {
50
51 public static String runTest(String arg) throws Exception {
52 ArrayList<String> finalargs = new ArrayList<String>();
53 String[] defaultArgs = new String[] {
54 "-XX:+UseG1GC",
55 "-Xmx10m",
56 "-XX:+ExplicitGCInvokesConcurrent",
57 "-XX:+UnlockDiagnosticVMOptions",
58 "-XX:+G1PrintRegionLivenessInfo",
59 "-XX:G1HeapRegionSize=1M",
60 "-XX:InitiatingHeapOccupancyPercent=0",
61 };
62
63 finalargs.addAll(Arrays.asList(defaultArgs));
64 finalargs.add(arg);
65
66 finalargs.add(RunAndWaitForMarking.class.getName());
67
68 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
69 finalargs.toArray(new String[0]));
70 OutputAnalyzer output = new OutputAnalyzer(pb.start());
71 output.shouldHaveExitValue(0);
72
73 String result = output.getStdout();
74 return result;
75 }
76
77 public static void main(String[] args) throws Exception {
78 String result;
79
80 result = runTest("-XX:+G1PrintRegionLivenessInfo");
81 // check that we got region statistics output
82 if (result.indexOf("PHASE") == -1) {
83 throw new RuntimeException("Unexpected output from -XX:+PrintRegionLivenessInfo found.");
84 }
85
86 result = runTest("-XX:-G1PrintRegionLivenessInfo");
87 if (result.indexOf("remset") != -1) {
88 throw new RuntimeException("Should find remembered set information in output.");
89 }
90 }
91 }
92