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SubjectRe: [PATCH][RFC] Adding information of counts processes acquired how many spinlocks to schedstat

* Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> wrote:

> > Yeah, steve broke it, but then Jason fixed it again, but his
> > patches might not have made it in yet.
> >
> > http://lkml.org/lkml/2009/7/6/313
>
> Wow! I can obtain lock_acquire with Jason's patch,
>
> % perf stat -e lockdep:lock_acquire sleep 1
>
> Performance counter stats for 'sleep 1':
>
> 1420 lockdep:lock_acquire
>
> 1.004953591 seconds time elapsed
>
> I wanted this.
> So I don't have nothing to do.., but thanks Jason!

I gave some review feedback about those patches, see:

http://lkml.org/lkml/2009/7/13/360

Once they are addressed we can try them in -tip.

Ingo


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