linux-kernel - Re: [PATCH] perf report/annotate: Add option to specify a CPU range

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Message-ID: <20110704215140.01b5ecaa@kryten>
Date:	Mon, 4 Jul 2011 21:51:40 +1000
From:	Anton Blanchard <anton@...ba.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	David Ahern <dsahern@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf report/annotate: Add option to specify a CPU range


Hi,

Ingo Molnar <mingo@...e.hu> wrote:

> * David Ahern <dsahern@...il.com> wrote:
> > It would be better to make this a function that all 3 commands 
> > reference -- something like perf_session__cpu_bitmap(session, 
> > cpu_list, cpu_bitmap) in util/session.c
> 
> Agreed. I can see how it ended up looking like this (fixing only perf 
> report, then adding it to top, then to script), but at this stage it 
> really calls for one helper that all three commands can utilize.

Yeah, it was dying to be consolidated. New version on the way.

> Very nice enhancement otherwise - might i suggest a 'perf top' hotkey 
> as well to limit the output to certain CPUs only? :-)

Good idea :) I'll have a go at it.

Anton
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