Messages in this thread | | | Date | Mon, 25 Feb 2013 10:26:33 +0800 | From | Alex Shi <> | Subject | Re: [patch v5 06/15] sched: log the cpu utilization at rq |
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On 02/20/2013 11:22 PM, Peter Zijlstra wrote: > 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. >
added them in periodic balancing, thanks!
-- Thanks Alex
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