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Add 'IO wait' and 'steal' metrics on Linux #8783

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merged 5 commits into from Feb 10, 2020

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rgacogne
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@rgacogne rgacogne commented Feb 5, 2020

Short description

The 'steal' one is useful when investigating latency issues in virtualized environment. The 'IO wait' one is a bit more of a long shot although it might make sense when investigating certain issues with the auth so why not.
I did not actually test the 'steal' metric yet.

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I have:

  • read the CONTRIBUTING.md document
  • compiled this code
  • tested this code
  • included documentation (including possible behaviour changes)
  • documented the code
  • added or modified regression test(s)
  • added or modified unit test(s)

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@omoerbeek omoerbeek left a comment

Nice, with a small nit about the unit of the reported values.

@rgacogne rgacogne merged commit e315087 into PowerDNS:master Feb 10, 2020
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@rgacogne rgacogne deleted the cpu-steal-iowait branch Feb 10, 2020
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2 participants