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

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Date:	Sat, 18 Jul 2009 15:25:35 +0200
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, jbaron@...hat.com
Subject: Re: [PATCH][RFC] Adding information of counts processes acquired
	how many spinlocks to schedstat


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

> 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
> > User-Agent: Mutt/1.5.18 (2008-05-17)
> > Received-SPF: neutral (mx3: 157.181.1.14 is neither permitted nor denied by domain of elte.hu) client-ip=157.181.1.14; envelope-from=mingo@...e.hu; helo=elvis.elte.hu;
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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 ?

yeah. The first post should be:

 http://lkml.org/lkml/2009/7/6/313

	Ingo
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