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 */
23
24 /*
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 */
23
24 /*
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 * @build sun.hotspot.WhiteBox
33 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI TestInitialGCThreadLogging
35 */
36
37 import jdk.test.lib.process.ProcessTools;
38 import jdk.test.lib.process.OutputAnalyzer;
39 import sun.hotspot.gc.GC;
40
41 public class TestInitialGCThreadLogging {
42 public static void main(String[] args) throws Exception {
43
44 testInitialGCThreadLogging("UseConcMarkSweepGC", "GC Thread");
45
46 testInitialGCThreadLogging("UseG1GC", "GC Thread");
47
48 testInitialGCThreadLogging("UseParallelGC", "ParGC Thread");
49
50 if (GC.Shenandoah.isSupported()) {
51 testInitialGCThreadLogging("UseShenandoahGC", "Shenandoah GC Thread");
52 }
53 }
54
55 private static void verifyDynamicNumberOfGCThreads(OutputAnalyzer output, String threadName) {
56 output.shouldHaveExitValue(0); // test should run succesfully
57 output.shouldContain(threadName);
58 }
59
60 private static void testInitialGCThreadLogging(String gcFlag, String threadName) throws Exception {
61 // UseDynamicNumberOfGCThreads and TraceDynamicGCThreads enabled
62 String[] baseArgs = {"-XX:+UnlockExperimentalVMOptions", "-XX:+" + gcFlag, "-Xmx10M", "-XX:+UseDynamicNumberOfGCThreads", "-Xlog:gc+task=trace", "-version"};
63
64 // Base test with gc and +UseDynamicNumberOfGCThreads:
65 ProcessBuilder pb_enabled = ProcessTools.createJavaProcessBuilder(baseArgs);
66 verifyDynamicNumberOfGCThreads(new OutputAnalyzer(pb_enabled.start()), threadName);
67 }
68 }
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