Messages in this thread | | | Subject | Re: runnable tasks never making it to a runqueue where they can run? | From | Peter Zijlstra <> | Date | Thu, 08 Mar 2012 13:00:28 +0100 |
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On Thu, 2012-03-08 at 17:25 +0530, Srivatsa Vaddagiri wrote: > * Peter Zijlstra <a.p.zijlstra@chello.nl> [2012-03-08 11:28:00]: > > > select_task_rq_fair() will very likely end up in select_idle_sibling() > > which will never select the smt1 if smt0 is idle > > s/idle/busy?
Uhm, yeah ;-)
> > (even if smt0 isn't in > > the cpus allowed mask) -- Vatsa is currently reworking that area, this > > is something he might want to consider. > > The patch I sent couple of days back should likely fix this issue: > > http://marc.info/?l=linux-kernel&m=133096114129607&w=2
Ah, thanks for reminding me, I need to go stare at that!
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