jdk-24/test/hotspot/jtreg/gc/TestGenerationPerfCounter.java
Leo Korinth 1fc67ab002 8232365: Implementation for JEP 363: Remove the Concurrent Mark Sweep (CMS) Garbage Collector
Reviewed-by: kbarrett, tschatzl, erikj, coleenp, dholmes
2019-11-13 11:37:29 +01:00

73 lines
2.6 KiB
Java

/*
* Copyright (c) 2017, 2019, 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
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package gc;
import static jdk.test.lib.Asserts.*;
import gc.testlibrary.PerfCounters;
/* @test TestGenerationPerfCounterSerial
* @bug 8080345
* @requires vm.gc.Serial
* @library /test/lib /
* @summary Tests that the sun.gc.policy.generations returns 2 for all GCs.
* @modules java.base/jdk.internal.misc
* java.compiler
* java.management/sun.management
* jdk.internal.jvmstat/sun.jvmstat.monitor
* @run main/othervm -XX:+UsePerfData -XX:+UseSerialGC gc.TestGenerationPerfCounter
*/
/* @test TestGenerationPerfCounterParallel
* @bug 8080345
* @requires vm.gc.Parallel
* @library /test/lib /
* @summary Tests that the sun.gc.policy.generations returns 2 for all GCs.
* @modules java.base/jdk.internal.misc
* java.compiler
* java.management/sun.management
* jdk.internal.jvmstat/sun.jvmstat.monitor
* @run main/othervm -XX:+UsePerfData -XX:+UseParallelGC gc.TestGenerationPerfCounter
*/
/* @test TestGenerationPerfCounterG1
* @bug 8080345
* @requires vm.gc.G1
* @library /test/lib /
* @summary Tests that the sun.gc.policy.generations returns 2 for all GCs.
* @modules java.base/jdk.internal.misc
* java.compiler
* java.management/sun.management
* jdk.internal.jvmstat/sun.jvmstat.monitor
* @run main/othervm -XX:+UsePerfData -XX:+UseG1GC gc.TestGenerationPerfCounter
*/
public class TestGenerationPerfCounter {
public static void main(String[] args) throws Exception {
long numGenerations =
PerfCounters.findByName("sun.gc.policy.generations").longValue();
assertEQ(numGenerations, 2L);
}
}