1 /* |
1 /* |
2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
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. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
27 * @summary Ensure that UseDynamicNumberOfGCThreads runs |
27 * @summary Ensure that UseDynamicNumberOfGCThreads runs |
28 * @requires vm.gc=="null" |
28 * @requires vm.gc=="null" |
29 * @key gc |
29 * @key gc |
30 * @modules java.base/jdk.internal.misc |
30 * @modules java.base/jdk.internal.misc |
31 * @library /test/lib |
31 * @library /test/lib |
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32 * @build sun.hotspot.WhiteBox |
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33 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission |
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34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI TestDynamicNumberOfGCThreads |
32 */ |
35 */ |
33 |
36 |
34 import jdk.test.lib.process.OutputAnalyzer; |
37 import jdk.test.lib.process.OutputAnalyzer; |
35 import jdk.test.lib.process.ProcessTools; |
38 import jdk.test.lib.process.ProcessTools; |
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39 import sun.hotspot.gc.GC; |
36 |
40 |
37 public class TestDynamicNumberOfGCThreads { |
41 public class TestDynamicNumberOfGCThreads { |
38 public static void main(String[] args) throws Exception { |
42 public static void main(String[] args) throws Exception { |
39 |
43 |
40 testDynamicNumberOfGCThreads("UseConcMarkSweepGC"); |
44 testDynamicNumberOfGCThreads("UseConcMarkSweepGC"); |
41 |
45 |
42 testDynamicNumberOfGCThreads("UseG1GC"); |
46 testDynamicNumberOfGCThreads("UseG1GC"); |
43 |
47 |
44 testDynamicNumberOfGCThreads("UseParallelGC"); |
48 testDynamicNumberOfGCThreads("UseParallelGC"); |
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49 |
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50 if (GC.Shenandoah.isSupported()) { |
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51 testDynamicNumberOfGCThreads("UseShenandoahGC"); |
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52 } |
45 } |
53 } |
46 |
54 |
47 private static void verifyDynamicNumberOfGCThreads(OutputAnalyzer output) { |
55 private static void verifyDynamicNumberOfGCThreads(OutputAnalyzer output) { |
48 output.shouldHaveExitValue(0); // test should run succesfully |
56 output.shouldHaveExitValue(0); // test should run succesfully |
49 output.shouldContain("new_active_workers"); |
57 output.shouldContain("new_active_workers"); |
50 } |
58 } |
51 |
59 |
52 private static void testDynamicNumberOfGCThreads(String gcFlag) throws Exception { |
60 private static void testDynamicNumberOfGCThreads(String gcFlag) throws Exception { |
53 // UseDynamicNumberOfGCThreads and TraceDynamicGCThreads enabled |
61 // UseDynamicNumberOfGCThreads and TraceDynamicGCThreads enabled |
54 String[] baseArgs = {"-XX:+" + gcFlag, "-Xmx10M", "-XX:+UseDynamicNumberOfGCThreads", "-Xlog:gc+task=trace", GCTest.class.getName()}; |
62 String[] baseArgs = {"-XX:+UnlockExperimentalVMOptions", "-XX:+" + gcFlag, "-Xmx10M", "-XX:+UseDynamicNumberOfGCThreads", "-Xlog:gc+task=trace", GCTest.class.getName()}; |
55 |
63 |
56 // Base test with gc and +UseDynamicNumberOfGCThreads: |
64 // Base test with gc and +UseDynamicNumberOfGCThreads: |
57 ProcessBuilder pb_enabled = ProcessTools.createJavaProcessBuilder(baseArgs); |
65 ProcessBuilder pb_enabled = ProcessTools.createJavaProcessBuilder(baseArgs); |
58 verifyDynamicNumberOfGCThreads(new OutputAnalyzer(pb_enabled.start())); |
66 verifyDynamicNumberOfGCThreads(new OutputAnalyzer(pb_enabled.start())); |
59 |
67 |