Re: BFS vs. mainline scheduler benchmarks and measurements

From: Jens Axboe
Date: Thu Sep 10 2009 - 05:55:04 EST


On Thu, Sep 10 2009, Ingo Molnar wrote:
>
> * Ingo Molnar <mingo@xxxxxxx> wrote:
>
> > > However, the interactivity problems still remain. Does that
> > > mean it's not a latency issue?
> >
> > It means that Jens's test-app, which demonstrated and helped us
> > fix the issue for him does not help us fix it for you just yet.
>
> Lemme qualify that by saying that Jens's issues are improved not
> fixed [he has not re-run with latest latt.c yet] but not all things
> are fully fixed yet. For example the xmodmap thing sounds
> interesting - could that be a child-runs-first effect?

I thought so too, so when -tip failed to boot I pulled the patches from
Mike into 2.6.31. It doesn't change anything for xmodmap, though.

--
Jens Axboe

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