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runtime_tools: Clarify scheduler utilization docs #4532

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merged 1 commit into from
Feb 19, 2021

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@sverker sverker commented Feb 18, 2021

From issue #4502.

@sverker sverker self-assigned this Feb 18, 2021
@sverker sverker added documentation enhancement team:VM Assigned to OTP team VM testing currently being tested, tag is used by OTP internal CI labels Feb 18, 2021
@sverker sverker linked an issue Feb 18, 2021 that may be closed by this pull request
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sverker commented Feb 18, 2021

@tak30 How about this

@rickard-green What do you think about "a couple of seconds" as recommended minimum measuring interval for scheduler utilization?

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tak30 commented Feb 18, 2021

@sverker Seems fine. That will avoid the misunderstanding I had with the output given by the utilization function and the way samples are needed to take.

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paulo-ferraz-oliveira commented Feb 18, 2021

What do you think about "a couple of seconds" as recommended minimum

recon does it like so. We usually call that with 5000 (ms) and it works OK.

Co-authored-by: José Valim <jose.valim@gmail.com>
Co-authored-by: Paulo F. Oliveira <paulo.ferraz.oliveira@gmail.com>
@sverker sverker force-pushed the sverker/runtime_tools/scheduler-docs branch from 3f0a247 to d981479 Compare February 19, 2021 10:45
@sverker sverker merged commit 48c5923 into erlang:maint Feb 19, 2021
@sverker sverker deleted the sverker/runtime_tools/scheduler-docs branch June 16, 2022 10:04
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Scheduler module: Ignoring online schedulers
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