Messages in this thread | | | Date | Thu, 22 Feb 2007 09:19:20 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH, take 2] Speedup divides by cpu_power in scheduler |
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* Eric Dumazet <dada1@cosmosbay.com> wrote:
> Ingo suggested to rename cpu_power to __cpu_power to make clear it > should not be modified without changing its reciprocal value too.
thanks,
Acked-by: Ingo Molnar <mingo@elte.hu>
> I did not convert the divide in cpu_avg_load_per_task(), because > tracking nr_running changes may be not worth it ? We could use a > static table of 32 reciprocal values but it would add a conditional > branch and table lookup.
not worth it i think. Lets wait for it to show up in an oprofile? (if ever)
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