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util: add EMA cpu monitor #39526

Merged
merged 10 commits into from
Dec 7, 2022
Merged

util: add EMA cpu monitor #39526

merged 10 commits into from
Dec 7, 2022

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hawkingrei
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@hawkingrei hawkingrei commented Dec 1, 2022 •
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What problem does this PR solve?

Issue Number: close #39614

Problem Summary:

What is changed and how it works?

We can get cpu monitor by cgroup or syscall. but it has a shortcoming which change frequently. It is bad for scheduler to do a robust schedule. so that we need to a exponential moving average cpu monitor.

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No code

Side effects

  • Performance regression: Consumes more CPU
  • Performance regression: Consumes more Memory
  • Breaking backward compatibility

Documentation

  • Affects user behaviors
  • Contains syntax changes
  • Contains variable changes
  • Contains experimental features
  • Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

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ti-chi-bot commented Dec 1, 2022 •
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[REVIEW NOTIFICATION]

This pull request has been approved by:

  • Benjamin2037
  • tangenta

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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@ti-chi-bot ti-chi-bot added release-note-none Denotes a PR that doesn't merit a release note. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Dec 1, 2022
@hawkingrei
cpu: add cpu monitor by EMA
4c63e49 
Signed-off-by: Weizhen Wang <[email protected]>
@hawkingrei hawkingrei changed the title cpu: add cpu monitor by EMA util: add EMA cpu monitor Dec 4, 2022
@ti-chi-bot ti-chi-bot added size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. and removed size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Dec 4, 2022
@hawkingrei
cpu: add cpu monitor by EMA
6a29143 
Signed-off-by: Weizhen Wang <[email protected]>
@hawkingrei
update
bf870f1 
Signed-off-by: Weizhen Wang <[email protected]>
Benjamin2037
Benjamin2037 approved these changes Dec 6, 2022
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LGTM

@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Dec 6, 2022
tangenta
tangenta reviewed Dec 7, 2022
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util/cpu/cpu_test.go
}
}()
}
time.Sleep(30 * time.Second)
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Is this too long for test?

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It is not the main problem. because this is a test only for this part. so this test cache can be used for a long time.

@ti-chi-bot ti-chi-bot added status/LGT2 Indicates that a PR has LGTM 2. and removed status/LGT1 Indicates that a PR has LGTM 1. labels Dec 7, 2022
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/merge

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This pull request has been accepted and is ready to merge.

Commit hash: 4ba4a7a

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Dec 7, 2022
@ti-chi-bot ti-chi-bot merged commit 05d4256 into pingcap:master Dec 7, 2022
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sre-bot commented Dec 7, 2022

TiDB MergeCI notify

✅ Well Done! New fixed [1] after this pr merged.

CI Name Result Duration Compare with Parent commit
idc-jenkins-ci/integration-cdc-test 🔴 failed 1, success 39, total 40 21 min Existing failure
idc-jenkins-ci-tidb/common-test ✅ all 11 tests passed 11 min Fixed
idc-jenkins-ci-tidb/integration-common-test 🟢 all 17 tests passed 21 min Existing passed
idc-jenkins-ci-tidb/tics-test 🟢 all 1 tests passed 6 min 16 sec Existing passed
idc-jenkins-ci-tidb/sqllogic-test-2 🟢 all 28 tests passed 6 min 0 sec Existing passed
idc-jenkins-ci-tidb/sqllogic-test-1 🟢 all 26 tests passed 5 min 27 sec Existing passed
idc-jenkins-ci-tidb/integration-ddl-test 🟢 all 6 tests passed 5 min 3 sec Existing passed
idc-jenkins-ci-tidb/mybatis-test 🟢 all 1 tests passed 3 min 38 sec Existing passed
idc-jenkins-ci-tidb/integration-compatibility-test 🟢 all 1 tests passed 2 min 36 sec Existing passed
idc-jenkins-ci-tidb/plugin-test 🟢 build success, plugin test success 4min Existing passed

@hawkingrei hawkingrei deleted the monitor_cpu branch December 7, 2022 10:25
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Rustin170506 commented Jan 30, 2023 •
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@hawkingrei After we bumped the tidb dep of ticdc. We can't build ticdc on the m1 MacBook anymore. I think it is similar to cloudfoundry/gosigar#58. Would you know any way to fix it without enabling cgo for ticdc?

@Rustin170506 Rustin170506 mentioned this pull request Jan 30, 2023
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@tangenta tangenta tangenta approved these changes

@Benjamin2037 Benjamin2037 Benjamin2037 approved these changes

@Defined2014 Defined2014 Awaiting requested review from Defined2014

@zimulala zimulala Awaiting requested review from zimulala

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add GetCPUUsage
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