Messages in this thread | | | Date | Mon, 09 Jul 2012 10:53:27 -0400 | From | Rik van Riel <> | Subject | Re: [RFC][PATCH 25/26] sched, numa: Only migrate long-running entities |
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On 07/09/2012 08:26 AM, Peter Zijlstra wrote: > On Sun, 2012-07-08 at 14:34 -0400, Rik van Riel wrote:
>> Do we really want to calculate the amount of CPU time used >> by a process, and start migrating after just one second? >> >> Or would it be ok to start migrating once a process has >> been scanned once or twice by the NUMA code? > > You mean, the 2-3rd time we try and migrate this task, not the memory > scanning thing as per Andrea, right?
Indeed. That way we can simply keep a flag somewhere, instead of iterating over the threads in a process.
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