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JDK-8290839: jdk/jfr/event/compiler/TestJitRestart.java failed with "RuntimeException: No JIT restart event found: expected true, was false" #9612

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JDK-8290839: jdk/jfr/event/compiler/TestJitRestart.java failed with "RuntimeException: No JIT restart event found: expected true, was false" #9612

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82d3ff5
JDK-8290839
MBaesken Jul 22, 2022
9d9c77b
Remove some whitespace
MBaesken Jul 22, 2022
8fa080c
sort events using StartTime
MBaesken Jul 27, 2022
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21 changes: 16 additions & 5 deletions test/jdk/jdk/jfr/event/compiler/TestJitRestart.java
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Expand Up @@ -50,22 +50,23 @@
public class TestJitRestart {

public static void main(String[] args) throws Exception {
boolean foundJitRestart = false;
boolean checkJitRestartCompilation = false;
for (BlobType btype : BlobType.getAvailable()) {
boolean jr = testWithBlobType(btype, calculateAvailableSize(btype));
if (jr) {
System.out.println("JIT restart event found for BlobType " + btype);
foundJitRestart = true;
System.out.println("JIT restart event / Compilation event check for BlobType " + btype + " was successful");
checkJitRestartCompilation = true;
}
}
Asserts.assertTrue(foundJitRestart, "No JIT restart event found");
Asserts.assertTrue(checkJitRestartCompilation, "No JIT restart event found and unexpected compilation seen");
}

private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();

private static boolean testWithBlobType(BlobType btype, long availableSize) throws Exception {
Recording r = new Recording();
r.enable(EventNames.CodeCacheFull);
r.enable(EventNames.Compilation);
r.enable(EventNames.JitRestart);
r.start();
long addr = WHITE_BOX.allocateCodeBlob(availableSize, btype.id);
Expand All @@ -77,15 +78,25 @@ private static boolean testWithBlobType(BlobType btype, long availableSize) thro
System.out.println("# events:" + events.size());
Events.hasEvents(events);

boolean compilationCanHappen = true;
for (RecordedEvent evt: events) {
System.out.println(evt);
if (evt.getEventType().getName().equals("jdk.CodeCacheFull")) {
compilationCanHappen = false;
}
if (evt.getEventType().getName().equals("jdk.Compilation") && !compilationCanHappen) {
return false;
}
if (evt.getEventType().getName().equals("jdk.JitRestart")) {
Events.assertField(evt, "codeCacheMaxCapacity").notEqual(0L);
Events.assertField(evt, "freedMemory").notEqual(0L);
System.out.println("JIT restart event found for BlobType " + btype);
return true;
}
}
return false;
// in some seldom cases we do not see the JitRestart event; but then
// do not fail (as long as no compilation happened before)
return true;
}

// Compute the available size for this BlobType by taking into account
Expand Down