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8241976: Add test for GCPhaseConcurrentLevel1 JFR event
Reviewed-by: pliden, eosterlund
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test/jdk/jdk/jfr/event/gc/detailed/TestGCPhaseConcurrent.java
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/* | ||
* Copyright (c) 2020, 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. Oracle designates this | ||
* particular file as subject to the "Classpath" exception as provided | ||
* by Oracle in the LICENSE file that accompanied this code. | ||
* | ||
* 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 | ||
* or visit www.oracle.com if you need additional information or have any | ||
* questions. | ||
*/ | ||
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package jdk.jfr.event.gc.detailed; | ||
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import java.util.List; | ||
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import jdk.jfr.Recording; | ||
import jdk.jfr.consumer.RecordedEvent; | ||
import jdk.test.lib.jfr.EventNames; | ||
import jdk.test.lib.jfr.Events; | ||
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/** | ||
* @test TestGCPhaseConcurrent | ||
* @requires vm.hasJFR & vm.gc.Z | ||
* @key jfr | ||
* @library /test/lib /test/jdk /test/hotspot/jtreg | ||
* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseZGC -Xmx32M jdk.jfr.event.gc.detailed.TestGCPhaseConcurrent | ||
*/ | ||
public class TestGCPhaseConcurrent { | ||
public static void main(String[] args) throws Exception { | ||
try (Recording recording = new Recording()) { | ||
// Activate the event we are interested in and start recording | ||
recording.enable(EventNames.GCPhaseConcurrent); | ||
recording.enable(EventNames.GCPhaseConcurrentLevel1); | ||
recording.start(); | ||
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// Run GC to get concurrent phases | ||
System.gc(); | ||
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recording.stop(); | ||
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// Verify recording | ||
List<RecordedEvent> events = Events.fromRecording(recording); | ||
Events.hasEvents(events); | ||
Events.hasEvent(events, EventNames.GCPhaseConcurrent); | ||
Events.hasEvent(events, EventNames.GCPhaseConcurrentLevel1); | ||
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for (RecordedEvent event : events) { | ||
System.out.println("Event:" + event); | ||
Events.assertField(event, "name").notEmpty(); | ||
} | ||
} | ||
} | ||
} |
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