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test/hotspot/jtreg/gc/ergonomics/TestDynamicNumberOfGCThreads.java
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@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
@@ -27,33 +27,41 @@
* @summary Ensure that UseDynamicNumberOfGCThreads runs
* @requires vm.gc=="null"
* @key gc
* @modules java.base/jdk.internal.misc
* @library /test/lib
+ * @build sun.hotspot.WhiteBox
+ * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI TestDynamicNumberOfGCThreads
*/
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
+import sun.hotspot.gc.GC;
public class TestDynamicNumberOfGCThreads {
public static void main(String[] args) throws Exception {
testDynamicNumberOfGCThreads("UseConcMarkSweepGC");
testDynamicNumberOfGCThreads("UseG1GC");
testDynamicNumberOfGCThreads("UseParallelGC");
+
+ if (GC.Shenandoah.isSupported()) {
+ testDynamicNumberOfGCThreads("UseShenandoahGC");
+ }
}
private static void verifyDynamicNumberOfGCThreads(OutputAnalyzer output) {
output.shouldHaveExitValue(0); // test should run succesfully
output.shouldContain("new_active_workers");
}
private static void testDynamicNumberOfGCThreads(String gcFlag) throws Exception {
// UseDynamicNumberOfGCThreads and TraceDynamicGCThreads enabled
- String[] baseArgs = {"-XX:+" + gcFlag, "-Xmx10M", "-XX:+UseDynamicNumberOfGCThreads", "-Xlog:gc+task=trace", GCTest.class.getName()};
+ String[] baseArgs = {"-XX:+UnlockExperimentalVMOptions", "-XX:+" + gcFlag, "-Xmx10M", "-XX:+UseDynamicNumberOfGCThreads", "-Xlog:gc+task=trace", GCTest.class.getName()};
// Base test with gc and +UseDynamicNumberOfGCThreads:
ProcessBuilder pb_enabled = ProcessTools.createJavaProcessBuilder(baseArgs);
verifyDynamicNumberOfGCThreads(new OutputAnalyzer(pb_enabled.start()));
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