linux-kernel - Re: [PATCH][RFC] Adding information of counts processes acquired how many spinlocks to schedstat

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Message-Id: <20090714.094804.869026176829743314.mitake@dcl.info.waseda.ac.jp>
Date:	Tue, 14 Jul 2009 09:48:04 +0900 (JST)
From:	Hitoshi Mitake <mitake@....info.waseda.ac.jp>
To:	mingo@...e.hu
Cc:	a.p.zijlstra@...llo.nl, andi@...stfloor.org, fweisbec@...il.com,
	acme@...hat.com, linux-kernel@...r.kernel.org, jbaron@...hat.com
Subject: Re: [PATCH][RFC] Adding information of counts processes acquired
 how many spinlocks to schedstat

From: Ingo Molnar <mingo@...e.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@...e.hu>
> To: Hitoshi Mitake <mitake@....info.waseda.ac.jp>
> Cc: a.p.zijlstra@...llo.nl, andi@...stfloor.org, fweisbec@...il.com,
> 	acme@...hat.com, linux-kernel@...r.kernel.org,
> 	Jason Baron <jbaron@...hat.com>
> Date: Mon, 13 Jul 2009 10:51:19 +0200
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> 
> * Hitoshi Mitake <mitake@....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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