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8269908: Move MemoryService::track_memory_usage call into G1MonitoringScope #4687



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@tschatzl tschatzl commented Jul 6, 2021

Hi all,

can I have reviews for this tiny change that moves the MemoryService::track_memory_usage() call into the destructor of G1MonitoringScope so that all jstat/mxbeans related reporting is handled by that single place?

Testing: tier1-3



  • Change must not contain extraneous whitespace
  • Commit message must refer to an issue
  • Change must be properly reviewed


  • JDK-8269908: Move MemoryService::track_memory_usage call into G1MonitoringScope



Using git

Checkout this PR locally:
$ git fetch pull/4687/head:pull/4687
$ git checkout pull/4687

Update a local copy of the PR:
$ git checkout pull/4687
$ git pull pull/4687/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 4687

View PR using the GUI difftool:
$ git pr show -t 4687

Using diff file

Download this PR as a diff file:

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@bridgekeeper bridgekeeper bot commented Jul 6, 2021

👋 Welcome back tschatzl! 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.

@openjdk openjdk bot added the rfr label Jul 6, 2021
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@openjdk openjdk bot commented Jul 6, 2021

@tschatzl The following label will be automatically applied to this pull request:

  • hotspot-gc

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

@openjdk openjdk bot added the hotspot-gc label Jul 6, 2021
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@mlbridge mlbridge bot commented Jul 6, 2021


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@kimbarrett kimbarrett left a comment

Looks good.

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@openjdk openjdk bot commented Jul 6, 2021

@tschatzl This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file for details.

After integration, the commit message for the final commit will be:

8269908: Move MemoryService::track_memory_usage call into G1MonitoringScope

Reviewed-by: ayang, kbarrett

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 6 new commits pushed to the master branch:

  • 4dfcf53: 8269935: ProblemList runtime/jni/checked/ on windows
  • 1578979: 8269917: Insert missing commas in copyrights in
  • 326b2e1: 8253119: Remove the legacy PlainSocketImpl and PlainDatagramSocketImpl implementation
  • f485171: 8269692: should throw IAE
  • 16aa8cb: 8269697: JNI_GetPrimitiveArrayCritical() should not accept object array
  • e47803a: 8266310: deadlock between System.loadLibrary and JNI FindClass loading another class

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

@openjdk openjdk bot added the ready label Jul 6, 2021
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@tschatzl tschatzl commented Jul 7, 2021

Thanks @albertnetymk @kimbarrett for your reviews.


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@openjdk openjdk bot commented Jul 7, 2021

Going to push as commit 18b80c7.
Since your change was applied there have been 22 commits pushed to the master branch:

  • a685011: 8269022: Put evacuation failure string directly into gc=info log message
  • 72530ef: 8269574: C2: Avoid redundant uncommon traps in GraphKit::builtin_throw() for JVMTI exception events
  • 3d090e7: 8267625: AARCH64: typo in LIR_Assembler::emit_profile_type
  • a9e2010: 8268425: Show decimal nid of OSThread instead of hex format one
  • 01c29d8: 8266407: remove jdk.internal.javac.PreviewFeature.Feature.SEALED_CLASSES
  • 7a4f08a: Merge
  • 0d1cd3a: 8269825: [TESTBUG] Missing testing for x86 KNL platforms
  • e0c130f: 8269955: ProblemList compiler/vectorapi/VectorCastShape[64|128] tests on x86
  • 1166ef2: 8268966: AArch64: 'bad AD file' in some vector conversion tests
  • 3a69024: 8225667: Clarify the behavior of System::gc w.r.t. reference processing
  • ... and 12 more:

Your commit was automatically rebased without conflicts.

@openjdk openjdk bot closed this Jul 7, 2021
@openjdk openjdk bot added integrated and removed ready rfr labels Jul 7, 2021
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@openjdk openjdk bot commented Jul 7, 2021

@tschatzl Pushed as commit 18b80c7.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.

@tschatzl tschatzl deleted the submit/8269908-move-track-memory-usage branch Jul 7, 2021
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hotspot-gc integrated
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