linux-kernel - Re: [PATCH 27/33] tools, perf: Add a precise event qualifier

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Message-ID: <20121028192449.GD1599@krava.redhat.com>
Date:	Sun, 28 Oct 2012 20:24:49 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com,
	peterz@...radead.org, eranian@...gle.com, mingo@...nel.org,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 27/33] tools, perf: Add a precise event qualifier

On Sun, Oct 28, 2012 at 08:13:13PM +0100, Andi Kleen wrote:
> On Sat, Oct 27, 2012 at 09:35:44PM +0200, Jiri Olsa wrote:
> > On Fri, Oct 26, 2012 at 01:30:09PM -0700, Andi Kleen wrote:
> > > From: Andi Kleen <ak@...ux.intel.com>
> > > 
> > > Add a precise qualifier, like cpu/event=0x3c,precise=1/
> > hm, I think this works already via 'p' modifier like:
> >    cpu/event=0x3c/p
> 
> Not for kernel specified events, which is why this was needed.

I haven't checked deeply, but I thought the modifier is always
applied, what do you mean by 'kernel specified events' ?

jirka
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