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SubjectRe: BFS vs. mainline scheduler benchmarks and measurements
On 09/08/2009 02:35 PM, Ingo Molnar wrote:
> * Nikos Chantziaras<> wrote:
>> [...] That would mean that you (or anyone else with an interest of
>> tracking this down) would follow the examples given (by me and
>> others, like enabling desktop compositing, firing up mplayer with
>> a video and generally reproducing this using the quite detailed
>> steps I posted as a recipe).
> Could you follow up on Frederic's detailed tracing suggestions that
> would give us the source of the latency?

I've set it up and ran the tests now.

> ( Also, as per lkml etiquette, please try to keep the Cc: list
> intact when replying to emails. I missed your first reply
> that you un-Cc:-ed. )

Sorry for that.

> A quick look at the latencytop output suggests a scheduling latency.
> Could you send me the kernel .config that you are using?

That would be this one:

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