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8202095: JFR TestBiasedLockRevocationEvents should cope with multiple events during a single safepoint

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Reviewed-by: mgronlun, egahlin
This commit is contained in:
Robin Westberg 2018-06-04 16:21:08 +02:00
parent 4ed3a3f4fa
commit 33724f098f
1 changed files with 24 additions and 19 deletions
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41
test/jdk/jdk/jfr/event/runtime/TestBiasedLockRevocationEvents.java
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@ -33,9 +33,7 @@ import jdk.test.lib.jfr.EventNames;
import jdk.test.lib.jfr.Events;
import jdk.test.lib.process.OutputAnalyzer;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.*;
import java.util.concurrent.FutureTask;
import java.util.stream.Collectors;
@ -275,12 +273,20 @@ public class TestBiasedLockRevocationEvents {
recording.stop();
List<RecordedEvent> events = Events.fromRecording(recording);
// Find all biased locking related VMOperation events
HashMap<Integer, RecordedEvent> vmOperations = new HashMap<Integer, RecordedEvent>();
// Determine which safepoints included single and bulk revocation VM operations
Set<Integer> vmOperationsSingle = new HashSet<>();
Set<Integer> vmOperationsBulk = new HashSet<>();
for (RecordedEvent event : events) {
if ((event.getEventType().getName().equals(EventNames.ExecuteVMOperation)) &&
(event.getValue("operation").toString().contains("Bias"))) {
vmOperations.put(event.getValue("safepointId"), event);
if (event.getEventType().getName().equals(EventNames.ExecuteVMOperation)) {
String operation = event.getValue("operation");
Integer safepointId = event.getValue("safepointId");
if (operation.equals("RevokeBias")) {
vmOperationsSingle.add(safepointId);
} else if (operation.equals("BulkRevokeBias")) {
vmOperationsBulk.add(safepointId);
}
}
}
@ -290,22 +296,21 @@ public class TestBiasedLockRevocationEvents {
// Match all revoke events to a corresponding VMOperation event
for (RecordedEvent event : events) {
if (event.getEventType().getName().equals(EventNames.BiasedLockRevocation)) {
RecordedEvent vmOpEvent = vmOperations.remove(event.getValue("safepointId"));
if (event.getValue("safepointId").toString().equals("-1")) {
Asserts.assertEquals(vmOpEvent, null);
} else {
Events.assertField(vmOpEvent, "operation").equal("RevokeBias");
Integer safepointId = event.getValue("safepointId");
String lockClass = ((RecordedClass)event.getValue("lockClass")).getName();
if (lockClass.equals(MyLock.class.getName())) {
Asserts.assertTrue(vmOperationsSingle.contains(safepointId));
revokeCount++;
}
} else if (event.getEventType().getName().equals(EventNames.BiasedLockClassRevocation)) {
RecordedEvent vmOpEvent = vmOperations.remove(event.getValue("safepointId"));
Events.assertField(vmOpEvent, "operation").equal("BulkRevokeBias");
Integer safepointId = event.getValue("safepointId");
String lockClass = ((RecordedClass)event.getValue("revokedClass")).getName();
if (lockClass.toString().equals(MyLock.class.getName())) {
Asserts.assertTrue(vmOperationsBulk.contains(safepointId));
bulkRevokeCount++;
}
}
// All VMOperations should have had a matching revoke event
Asserts.assertEQ(vmOperations.size(), 0);
}
Asserts.assertGT(bulkRevokeCount, 0);
Asserts.assertGT(revokeCount, bulkRevokeCount);