Messages in this thread | | | Subject | Re: [patch v5 06/15] sched: log the cpu utilization at rq | From | Peter Zijlstra <> | Date | Wed, 20 Feb 2013 16:22:20 +0100 |
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On Wed, 2013-02-20 at 22:33 +0800, Alex Shi wrote: > > You don't actually compute the rq utilization, you only compute the > > utilization as per the fair class, so if there's significant RT > activity > > it'll think the cpu is under-utilized, whihc I think will result in > the > > wrong thing. > > yes. A bit complicit to resolve this. Any suggestions on this, guys?
Shouldn't be too hard seeing as we already track cpu utilization for ! fair usage; see rq::rt_avg and scale_rt_power.
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