Messages in this thread | | | Subject | Re: [PATCH 3/3] sched: Disable affine wakeups by default | From | Suresh Siddha <> | Date | Mon, 26 Oct 2009 03:33:16 -0800 |
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On Mon, 2009-10-26 at 00:05 -0700, Arjan van de Ven wrote: > On Mon, 26 Oct 2009 08:01:12 +0100 > Ingo Molnar <mingo@elte.hu> wrote: > > > Correct. There's a few cpus where multicore means separate caches but > > all modern CPUs have shared caches for cores so we want to tune for > > that. > > for those cpus where mc means separate caches we should fix the arch > code to set up separate MC domains to be honest.. > I can look into that in a bit..
In the default performance mode, multi-core domain is populated with only cores sharing last-level cache. In the case where the cores don't share caches, we represent them in the smp domain.
thanks, suresh
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