linux-kernel - Re: [patch 0/4] perf_counter tools: support annotation of live kernel modules

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Message-Id: <1246524170.7113.20.camel@marge.simson.net>
Date:	Thu, 02 Jul 2009 10:42:50 +0200
From:	Mike Galbraith <efault@....de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [patch 0/4] perf_counter tools: support annotation of live
 kernel modules

On Thu, 2009-07-02 at 09:17 +0200, Mike Galbraith wrote:

> After I resurrect (well, try) live annotation in top...

Random thought wrt live top annotation: instead of resurrecting in the
previous form, which could be a bit intrusive display space wise, what
do you think of this idea?

Provide a kbd input snapshot trigger which builds a perf record (hard?)
compatible file for the symbols being displayed.  Start a background
task to annotate the lot, stuffing annotate output into an output file.

Better ideas highly welcome.

	-Mike

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