1 /*
2 * Copyright (c) 2015, 2016, 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 */
25 * @test TestInitialGCThreadLogging
26 * @bug 8157240
27 * @summary Check trace logging of initial GC threads.
28 * @requires vm.gc=="null"
29 * @key gc
30 * @modules java.base/jdk.internal.misc
31 * @library /test/lib
32 */
33
34 import jdk.test.lib.process.ProcessTools;
35 import jdk.test.lib.process.OutputAnalyzer;
36
37 public class TestInitialGCThreadLogging {
38 public static void main(String[] args) throws Exception {
39
40 testInitialGCThreadLogging("UseConcMarkSweepGC", "GC Thread");
41
42 testInitialGCThreadLogging("UseG1GC", "GC Thread");
43
44 testInitialGCThreadLogging("UseParallelGC", "ParGC Thread");
45 }
46
47 private static void verifyDynamicNumberOfGCThreads(OutputAnalyzer output, String threadName) {
48 output.shouldHaveExitValue(0); // test should run succesfully
49 output.shouldContain(threadName);
50 }
51
52 private static void testInitialGCThreadLogging(String gcFlag, String threadName) throws Exception {
53 // UseDynamicNumberOfGCThreads and TraceDynamicGCThreads enabled
54 String[] baseArgs = {"-XX:+" + gcFlag, "-Xmx10M", "-XX:+UseDynamicNumberOfGCThreads", "-Xlog:gc+task=trace", "-version"};
55
56 // Base test with gc and +UseDynamicNumberOfGCThreads:
57 ProcessBuilder pb_enabled = ProcessTools.createJavaProcessBuilder(baseArgs);
58 verifyDynamicNumberOfGCThreads(new OutputAnalyzer(pb_enabled.start()), threadName);
59 }
60 }
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1 /*
2 * Copyright (c) 2015, 2018, 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 */
25 * @test TestInitialGCThreadLogging
26 * @bug 8157240
27 * @summary Check trace logging of initial GC threads.
28 * @requires vm.gc=="null"
29 * @key gc
30 * @modules java.base/jdk.internal.misc
31 * @library /test/lib
32 */
33
34 import jdk.test.lib.process.ProcessTools;
35 import jdk.test.lib.process.OutputAnalyzer;
36
37 public class TestInitialGCThreadLogging {
38 public static void main(String[] args) throws Exception {
39
40 testInitialGCThreadLogging("UseConcMarkSweepGC", "GC Thread");
41
42 testInitialGCThreadLogging("UseG1GC", "GC Thread");
43
44 testInitialGCThreadLogging("UseParallelGC", "ParGC Thread");
45
46 testInitialGCThreadLogging("UseShenandoahGC", "Shenandoah GC Thread");
47 }
48
49 private static void verifyDynamicNumberOfGCThreads(OutputAnalyzer output, String threadName) {
50 output.shouldHaveExitValue(0); // test should run succesfully
51 output.shouldContain(threadName);
52 }
53
54 private static void testInitialGCThreadLogging(String gcFlag, String threadName) throws Exception {
55 // UseDynamicNumberOfGCThreads and TraceDynamicGCThreads enabled
56 String[] baseArgs = {"-XX:+UnlockExperimentalVMOptions", "-XX:+" + gcFlag, "-Xmx10M", "-XX:+UseDynamicNumberOfGCThreads", "-Xlog:gc+task=trace", "-version"};
57
58 // Base test with gc and +UseDynamicNumberOfGCThreads:
59 ProcessBuilder pb_enabled = ProcessTools.createJavaProcessBuilder(baseArgs);
60 verifyDynamicNumberOfGCThreads(new OutputAnalyzer(pb_enabled.start()), threadName);
61 }
62 }
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