Re: [patch v4 08/18] Revert "sched: Introduce temporary FAIR_GROUP_SCHEDdependency for load-tracking"

From: Alex Shi
Date: Wed Feb 13 2013 - 10:23:28 EST


On 02/12/2013 06:27 PM, Peter Zijlstra wrote:
> On Thu, 2013-01-24 at 11:06 +0800, Alex Shi wrote:
>> Remove CONFIG_FAIR_GROUP_SCHED that covers the runnable info, then
>> we can use runnable load variables.
>>
> It would be nice if we could quantify the performance hit of doing so.
> Haven't yet looked at later patches to see if we remove anything to
> off-set this.
>

In our rough testing, no much clear performance changes.

--
Thanks
Alex
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/