linux-kernel - Re: [PATCHv2 00/14] perf diff: Factor diff command

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Message-ID: <20121003170114.GF945@krava.brq.redhat.com>
Date:	Wed, 3 Oct 2012 19:01:14 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Namhyung Kim <namhyung@...nel.org>
Subject: Re: [PATCHv2 00/14] perf diff: Factor diff command

On Wed, Oct 03, 2012 at 06:55:32PM +0200, Andi Kleen wrote:
> > > hm, I missed this one.. hopefully it should be no problem to add it
> > 
> > Here's more issues I found (again no show stopper):
> 
> And another issue (this one is more serious):
> 
> I was trying to compare the same program with two different kernels.
> But perf diff does not recognize the same functions in the kernels
> as the same bucket. So I cannot actually "ratio" the different 
> kernel versions.

good point, I'll check how we can fix this

thanks,
jirka
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