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Implementation of ExecuteVMOperationEvent #4368

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Merged
merged 3 commits into from
Mar 29, 2022
Merged

Implementation of ExecuteVMOperationEvent #4368

merged 3 commits into from
Mar 29, 2022

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zhengyu123
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ExecuteVMOperationEvent is an important event for observing and understanding VM latency, I believe it should be supported.

E.g.

jdk.ExecuteVMOperation {
  startTime = 09:20:31.803
  duration = 1.244 ms
  operation = "com.oracle.svm.core.genscavenge.GCImpl.CollectionVMOperation"
  safepoint = true
  blocking = true
  caller = "main" (javaThreadId = 1)
  safepointId = 2
  eventThread = "main" (javaThreadId = 1)
}

@jiekang jiekang requested a review from christianhaeubl March 2, 2022 15:34
christianhaeubl
christianhaeubl reviewed Mar 3, 2022
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@christianhaeubl christianhaeubl left a comment

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Thanks for contributing, I added a few comments.

@graalvmbot graalvmbot merged commit 15a3534 into oracle:master Mar 29, 2022
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@zhengyu123 @christianhaeubl @graalvmbot