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SubjectRe: BFS vs. mainline scheduler benchmarks and measurements
On Thu, Sep 10 2009, Ingo Molnar wrote:
>
> * Jens Axboe <jens.axboe@oracle.com> wrote:
>
> > On Thu, Sep 10 2009, Ingo Molnar wrote:
> > >
> > > * Ingo Molnar <mingo@elte.hu> 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.
>
> Note, you can access just the pristine scheduler patches by checking
> out and testing tip:sched/core - no need to pull them out and apply.
>
> Your crash looks like clocksource related - that's in a separate
> topic which you can thus isolate if you use sched/core.

I'm building sched/core now and will run the xmodmap test there.

--
Jens Axboe



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