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8263461: jdk/jfr/event/gc/detailed/TestEvacuationFailedEvent.java uses wrong mechanism to cause evacuation failure

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Reviewed-by: kbarrett, iwalulya, ayang
This commit is contained in:
Thomas Schatzl 2021-06-30 08:05:44 +00:00
parent 3ad20fcdfa
commit ee0247f056
3 changed files with 33 additions and 49 deletions
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1
test/jdk/ProblemList.txt
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@ -821,7 +821,6 @@ jdk/jfr/event/compiler/TestCodeSweeper.java 8225209 gener
jdk/jfr/event/os/TestThreadContextSwitches.java 8247776 windows-all
jdk/jfr/startupargs/TestStartName.java 8214685 windows-x64
jdk/jfr/startupargs/TestStartDuration.java 8214685 windows-x64
jdk/jfr/event/gc/detailed/TestEvacuationFailedEvent.java 8263461 linux-x64
jdk/jfr/api/consumer/streaming/TestLatestEvent.java 8268297 windows-x64
############################################################################

49
test/jdk/jdk/jfr/event/gc/detailed/TestEvacuationFailedEvent.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013, 2021, 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
@ -23,43 +23,59 @@
package jdk.jfr.event.gc.detailed;
import java.io.File;
import java.nio.file.Paths;
import java.lang.ref.Reference;
import java.util.List;
import jdk.jfr.Recording;
import jdk.jfr.consumer.RecordedEvent;
import jdk.jfr.consumer.RecordingFile;
import jdk.test.lib.Asserts;
import jdk.test.lib.jfr.EventNames;
import jdk.test.lib.jfr.Events;
import sun.hotspot.WhiteBox;
/**
* @test
* @key jfr
* @bug 8263461
* @requires vm.hasJFR
*
* @library /test/lib /test/jdk
* @requires vm.gc == "G1" | vm.gc == null
* @requires vm.debug
*
* @run main jdk.jfr.event.gc.detailed.TestEvacuationFailedEvent
* @build sun.hotspot.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -Xmx32m -Xms32m -XX:+UnlockExperimentalVMOptions -XX:+G1EvacuationFailureALot
* -XX:G1EvacuationFailureALotCount=100 -XX:G1EvacuationFailureALotInterval=1
* -Xlog:gc=debug -XX:+UseG1GC jdk.jfr.event.gc.detailed.TestEvacuationFailedEvent
*/
public class TestEvacuationFailedEvent {
private final static String EVENT_SETTINGS_FILE = System.getProperty("test.src", ".") + File.separator + "evacuationfailed-testsettings.jfc";
private final static String JFR_FILE = "TestEvacuationFailedEvent.jfr";
private final static int BYTES_TO_ALLOCATE = 1024 * 512;
private final static String EVENT_NAME = EventNames.EvacuationFailed;
public static void main(String[] args) throws Exception {
String[] vmFlags = {"-XX:+UnlockExperimentalVMOptions", "-XX:-UseFastUnorderedTimeStamps",
"-Xmx64m", "-Xmn60m", "-XX:-UseDynamicNumberOfGCThreads", "-XX:ParallelGCThreads=3",
"-XX:MaxTenuringThreshold=0", "-Xlog:gc*=debug", "-XX:+UseG1GC"};
Recording recording = new Recording();
// activate the event we are interested in and start recording
recording.enable(EVENT_NAME);
recording.start();
if (!ExecuteOOMApp.execute(EVENT_SETTINGS_FILE, JFR_FILE, vmFlags, BYTES_TO_ALLOCATE)) {
System.out.println("OOM happened in the other thread(not test thread). Skip test.");
// Skip test, process terminates due to the OOME error in the different thread
return;
Object[] data = new Object[1024];
for (int i = 0; i < data.length; i++) {
data[i] = new byte[5 * 1024];
}
// Guarantee one young gc.
WhiteBox.getWhiteBox().youngGC();
// Keep alive data.
Reference.reachabilityFence(data);
List<RecordedEvent> events = RecordingFile.readAllEvents(Paths.get(JFR_FILE));
recording.stop();
// Verify recording
List<RecordedEvent> events = Events.fromRecording(recording);
Events.hasEvents(events);
for (RecordedEvent event : events) {
@ -69,5 +85,6 @@ public class TestEvacuationFailedEvent {
long totalSize = Events.assertField(event, "evacuationFailed.totalSize").atLeast(firstSize).getValue();
Asserts.assertLessThanOrEqual(smallestSize * objectCount, totalSize, "smallestSize * objectCount <= totalSize");
}
recording.close();
}
}

32
test/jdk/jdk/jfr/event/gc/detailed/evacuationfailed-testsettings.jfc
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@ -1,32 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!--
* Copyright (c) 2016, 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. 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.
-->
<configuration version="2.0" label="TestSettings" description="Configuration for testing promotion failed event" provider="Oracle">
<event name="jdk.EvacuationFailed">
<setting name="enabled">true</setting>
<setting name="threshold">0 ms</setting>
</event>
</configuration>