Assert CPU % values in the CPU check #859

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alq666 opened this Issue Mar 10, 2014 · 3 comments

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@alq666
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alq666 commented Mar 10, 2014

We have seen cases of abnormal values (> 100%). Regardless of the cause we can and should assert that CPU/disk/memory percentages 0 <= x <= 100%.

@alq666 alq666 added checks triage 0 - Backlog and removed triage labels Mar 10, 2014
@alq666
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alq666 commented Mar 10, 2014

Related to #653

@conorbranagan
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The values returned by WMI often add up to > 100% so I think if we added such an assertion we would drop points often. I believe this may have been caused by a bug in WMI or how these values are reported, but I'll have to see if I can find the source for that.

@remh remh added this to the 4.3.x milestone Mar 10, 2014
@remh remh modified the milestone: 5.1.0, 4.3.x May 8, 2014
@remh remh modified the milestone: Future, 5.1.0 Sep 26, 2014
@remh
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remh commented Jan 5, 2016

We haven't seen these cases since we bundle our own version of sysstat. Closing.

@remh remh closed this Jan 5, 2016
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