Messages in this thread | | | Subject | Re: [PATCH] perfcounters: Make s/w counters in a group only count when group is on | From | Peter Zijlstra <> | Date | Fri, 13 Mar 2009 14:04:00 +0100 |
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On Fri, 2009-03-13 at 13:44 +0100, Peter Zijlstra wrote:
> The same for task migration, most migrations happen when they are in > fact running, so there too we can account the migration either before we > rip it off the src cpu, or after we place it on the dst cpu.
Right, I got confused between being on the cpu and having ->state = R.
Migrations are the odd one out indeed, but I'd rather fudge a little with the migration counter itself than have this weird asymmetry.
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