linux-kernel - Re: [RFC][PATCH 1/2] perf: Add 'perf kmem' tool

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Message-ID: <20091120090353.GE19778@elte.hu>
Date:	Fri, 20 Nov 2009 10:03:53 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	Pekka Enberg <penberg@...helsinki.fi>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [RFC][PATCH 1/2] perf: Add 'perf kmem' tool


* Li Zefan <lizf@...fujitsu.com> wrote:

> > (2) doing "perf kmem record" on machine A (think embedded here) and 
> > then "perf kmem report" on machine B. I haven't tried kmemtrace-user 
> > for a while but it did support both of them quite nicely at some 
> > point.
> 
> Everything needed and machine-specific will be recorded in perf.data, 
> so this should already been supported. I'll try it.

Right now the DSOs are not recorded in the perf.data - but it would be 
useful to add it and to turn perf.data into a self-sufficient capture of 
all relevant data, which can be analyzed on any box.

	Ingo
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