Messages in this thread | | | Date | Wed, 26 Sep 2018 23:48:37 +0200 | From | Jiri Olsa <> | Subject | Re: [RFC 00/10] perf: Add cputime events/metrics |
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On Wed, Sep 26, 2018 at 04:44:08PM +0200, Milian Wolff wrote: > On Thursday, June 7, 2018 1:10:18 AM CEST Andi Kleen wrote: > > > I had some issues with IDLE counter being miscounted due to stopping > > > of the idle tick. I tried to solve it in this patch (it's part of the > > > > > > patchset): > > > perf/cputime: Don't stop idle tick if there's live cputime event > > > > > > but I'm pretty sure it's wrong and there's better solution. > > > > At least on intel we already have hardware counters for different idle > > states. You just would need to add them and convert to the same > > unit. > > > > But of course it's still useful when this is not available. > > > > > My current plan is now to read those counters in perf top/record/report > > > to show (at least) the idle percentage for the current profile. > > > > It's useful. Thanks for working on it. I was thinking about doing > > something similar for some time. > > Hey Jiri, > > what happened to this patch series? I also believe it's super useful, even > when it's not yet perfect.
heya, got sidetracked.. thanks for feedback, will refresh and repost sane version
thanks, jirka
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