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SubjectRe: [PATCH][RFC] Adding information of counts processes acquired how many spinlocks to schedstat
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From: Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH][RFC] Adding information of counts processes acquired how many spinlocks to schedstat
Date: Mon, 13 Jul 2009 10:51:19 +0200

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> Subject: Re: [PATCH][RFC] Adding information of counts processes acquired how many spinlocks to schedstat
> From: Ingo Molnar <mingo@elte.hu>
> To: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
> Cc: a.p.zijlstra@chello.nl, andi@firstfloor.org, fweisbec@gmail.com,
> acme@redhat.com, linux-kernel@vger.kernel.org,
> Jason Baron <jbaron@redhat.com>
> Date: Mon, 13 Jul 2009 10:51:19 +0200
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>
> * 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.

Thanks! I'll try new features of perfcounters. It's interesting.
But I told "not found" by lkml.org.
Is the post you attempted to point http://lkml.org/lkml/2009/7/13/36 ?



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