Re: BFS vs. mainline scheduler benchmarks and measurements

From: Bret Towe
Date: Thu Sep 10 2009 - 12:13:16 EST


On Thu, Sep 10, 2009 at 9:05 AM, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote:
> On Thu, 2009-09-10 at 09:02 -0700, Bret Towe wrote:
>>
>> thanks to this thread and others I've seen several kernel tunables
>> that can effect how the scheduler performs/acts
>> but what I don't see after a bit of looking is where all these are
>> documented
>> perhaps thats also part of the reason there are unhappy people with
>> the current code in the kernel just because they don't know how
>> to tune it for their workload
>
> The thing is, ideally they should not need to poke at these. These knobs
> are under CONFIG_SCHED_DEBUG, and that is exactly what they are for.

even then I would think they should be documented so people can find out
what item is hurting their workload so they can better report the bug no?

>
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