/*
* 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
* published by the Free Software Foundation .
*
* 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, 2 L);
}
}
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