Wed, 03 Sep 2014 09:25:44 +0200
Merge
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 */
24 /*
25 * @test TestGCLogMessages
26 * @bug 8035406 8027295 8035398 8019342 8027959
27 * @summary Ensure that the PrintGCDetails output for a minor GC with G1
28 * includes the expected necessary messages.
29 * @key gc
30 * @library /testlibrary
31 */
33 import com.oracle.java.testlibrary.ProcessTools;
34 import com.oracle.java.testlibrary.OutputAnalyzer;
36 public class TestGCLogMessages {
37 public static void main(String[] args) throws Exception {
38 testNormalLogs();
39 testWithToSpaceExhaustionLogs();
40 }
42 private static void testNormalLogs() throws Exception {
44 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
45 "-Xmx10M",
46 GCTest.class.getName());
48 OutputAnalyzer output = new OutputAnalyzer(pb.start());
50 output.shouldNotContain("[Redirty Cards");
51 output.shouldNotContain("[Parallel Redirty");
52 output.shouldNotContain("[Redirtied Cards");
53 output.shouldNotContain("[Code Root Purge");
54 output.shouldNotContain("[String Dedup Fixup");
55 output.shouldNotContain("[Young Free CSet");
56 output.shouldNotContain("[Non-Young Free CSet");
57 output.shouldNotContain("[Humongous Reclaim");
58 output.shouldHaveExitValue(0);
60 pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
61 "-XX:+UseStringDeduplication",
62 "-Xmx10M",
63 "-XX:+PrintGCDetails",
64 GCTest.class.getName());
66 output = new OutputAnalyzer(pb.start());
68 output.shouldContain("[Redirty Cards");
69 output.shouldNotContain("[Parallel Redirty");
70 output.shouldNotContain("[Redirtied Cards");
71 output.shouldContain("[Code Root Purge");
72 output.shouldContain("[String Dedup Fixup");
73 output.shouldNotContain("[Young Free CSet");
74 output.shouldNotContain("[Non-Young Free CSet");
75 output.shouldContain("[Humongous Reclaim");
76 output.shouldNotContain("[Humongous Total");
77 output.shouldNotContain("[Humongous Candidate");
78 output.shouldNotContain("[Humongous Reclaimed");
79 output.shouldHaveExitValue(0);
81 pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
82 "-XX:+UseStringDeduplication",
83 "-Xmx10M",
84 "-XX:+PrintGCDetails",
85 "-XX:+UnlockExperimentalVMOptions",
86 "-XX:G1LogLevel=finest",
87 GCTest.class.getName());
89 output = new OutputAnalyzer(pb.start());
91 output.shouldContain("[Redirty Cards");
92 output.shouldContain("[Parallel Redirty");
93 output.shouldContain("[Redirtied Cards");
94 output.shouldContain("[Code Root Purge");
95 output.shouldContain("[String Dedup Fixup");
96 output.shouldContain("[Young Free CSet");
97 output.shouldContain("[Non-Young Free CSet");
98 output.shouldContain("[Humongous Reclaim");
99 output.shouldContain("[Humongous Total");
100 output.shouldContain("[Humongous Candidate");
101 output.shouldContain("[Humongous Reclaimed");
102 output.shouldHaveExitValue(0);
103 }
105 private static void testWithToSpaceExhaustionLogs() throws Exception {
106 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
107 "-Xmx10M",
108 "-Xmn5M",
109 "-XX:+PrintGCDetails",
110 GCTestWithToSpaceExhaustion.class.getName());
112 OutputAnalyzer output = new OutputAnalyzer(pb.start());
113 output.shouldContain("[Evacuation Failure");
114 output.shouldNotContain("[Recalculate Used");
115 output.shouldNotContain("[Remove Self Forwards");
116 output.shouldNotContain("[Restore RemSet");
117 output.shouldHaveExitValue(0);
119 pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
120 "-Xmx10M",
121 "-Xmn5M",
122 "-XX:+PrintGCDetails",
123 "-XX:+UnlockExperimentalVMOptions",
124 "-XX:G1LogLevel=finest",
125 GCTestWithToSpaceExhaustion.class.getName());
127 output = new OutputAnalyzer(pb.start());
128 output.shouldContain("[Evacuation Failure");
129 output.shouldContain("[Recalculate Used");
130 output.shouldContain("[Remove Self Forwards");
131 output.shouldContain("[Restore RemSet");
132 output.shouldHaveExitValue(0);
133 }
135 static class GCTest {
136 private static byte[] garbage;
137 public static void main(String [] args) {
138 System.out.println("Creating garbage");
139 // create 128MB of garbage. This should result in at least one GC
140 for (int i = 0; i < 1024; i++) {
141 garbage = new byte[128 * 1024];
142 }
143 System.out.println("Done");
144 }
145 }
147 static class GCTestWithToSpaceExhaustion {
148 private static byte[] garbage;
149 private static byte[] largeObject;
150 public static void main(String [] args) {
151 largeObject = new byte[5*1024*1024];
152 System.out.println("Creating garbage");
153 // create 128MB of garbage. This should result in at least one GC,
154 // some of them with to-space exhaustion.
155 for (int i = 0; i < 1024; i++) {
156 garbage = new byte[128 * 1024];
157 }
158 System.out.println("Done");
159 }
160 }
161 }