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8257602: Introduce JFR Event Throttling and new jdk.ObjectAllocationSample event (enabled by default) #1624

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@mgronlun mgronlun commented Dec 4, 2020

Greetings,

please help review this enhancement to let JFR sample object allocations by default.

A description is provided in the JIRA issue.

Thanks
Markus


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Issue

  • JDK-8257602: Introduce JFR Event Throttling and new jdk.ObjectAllocationSample event (enabled by default)

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Contributors

  • Jaroslav Bachorik <jbachorik@openjdk.org>

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$ git fetch https://git.openjdk.java.net/jdk pull/1624/head:pull/1624
$ git checkout pull/1624

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👋 Welcome back mgronlun! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

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@mgronlun The following labels will be automatically applied to this pull request:

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  • core-libs
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When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing lists. If you would like to change these labels, use the /label pull request command.

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@mgronlun mgronlun commented Dec 4, 2020

/label hotspot-gc

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@mgronlun mgronlun commented Dec 4, 2020

/label hotspot-jfr

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@mgronlun mgronlun marked this pull request as ready for review Dec 4, 2020
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@mgronlun mgronlun commented Dec 6, 2020

/label remove build hotspot-gc hotspot-jfr

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@mgronlun mgronlun commented Dec 10, 2020

/contributor add jbachorik

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@mgronlun mgronlun commented Dec 10, 2020

/integrate

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@openjdk openjdk bot commented Dec 10, 2020

@mgronlun Since your change was applied there have been 106 commits pushed to the master branch:

  • 026b09c: 8257483: C2: Split immediate vector rotate from RotateLeftV and RotateRightV nodes
  • 0a0691e: 8257901: ZGC: Take virtual memory usage into account when sizing heap
  • 29ffffa: 8257997: sun/security/ssl/SSLSocketImpl/SSLSocketLeak.java again reports leaks after JDK-8257884
  • db5da96: 8257876: Avoid Reference.isEnqueued in tests
  • 4a839e9: 8256459: java/net/httpclient/ManyRequests.java and java/net/httpclient/LineBodyHandlerTest.java fail infrequently with java.net.ConnectException: Connection timed out: no further information
  • d93293f: 8256730: Code that uses Object.checkIndex() range checks doesn't optimize well
  • 869dcb6: 8257806: Optimize x86 allTrue and anyTrue vector mask operations of Vector API
  • 34650f5: 8257872: UL: -Xlog does not check number of options
  • 6847bbb: 8255918: XMLStreamFilterImpl constructor consumes XMLStreamException
  • d2f9e31: 8257638: Update usage of "type" terminology in javax.lang.model
  • ... and 96 more: https://git.openjdk.java.net/jdk/compare/86b65756cbebf1df422b11a72be6c9762b85a702...master

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