On Wednesday 07 June 2006 04:25, Siddha, Suresh B wrote:
> Appended the patch. Can someone please test compile the powerpc change?
>
> thanks,
> suresh
> --
>
> sysfs entries 'sched_mc_power_savings' and 'sched_smt_power_savings' in
> /sys/devices/system/cpu/ control the MC/SMT power savings policy for
> the scheduler.
>
> Based on the values (1-enable, 0-disable) for these controls, sched groups
> cpu power will be determined for different domains. When power savings
> policy is enabled and under light load conditions, scheduler will minimize
> the physical packages/cpu cores carrying the load and thus conserving
> power(with a perf impact based on the workload characteristics... see OLS
> 2005 CMP kernel scheduler paper for more details..)
This MC code is a maze of #ifdefs within functions and getting harder to
follow with each subsequent patch. Can we not deviate so much from kernel
style?
--
-ck
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