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Message-ID: <1346956869.18408.66.camel@twins>
Subject: Re: [RFC 00/12] perf diff: Factor diff command
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Jiri Olsa <jolsa@redhat.com>
Cc: linux-kernel@vger.kernel.org,
        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
        Ingo Molnar <mingo@elte.hu>, Paul Mackerras <paulus@samba.org>,
        Corey Ashford <cjashfor@linux.vnet.ibm.com>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        Andi Kleen <andi@firstfloor.org>, David Ahern <dsahern@gmail.com>,
        Namhyung Kim <namhyung@kernel.org>
Date: Thu, 06 Sep 2012 20:41:09 +0200
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On Thu, 2012-09-06 at 17:46 +0200, Jiri Olsa wrote:
> The 'perf diff' and 'std/hist' code is now changed to allow computations
> mentioned in the paper. Two of them are implemented within this patchset:
>   1) ratio differential profiling
>   2) weighted differential profiling

Seems like a useful thing indeed, the explanation of the weighted diff
method doesn't seem to contain a why. I know I could go read the paper
but... :-)