linux-kernel - Re: [patch] Re: [perf] Finding uninstalled modules Was Re: mailing list for trace users

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Date:	Wed, 23 Sep 2009 15:06:54 +0200
From:	Mike Galbraith <efault@....de>
To:	Avi Kivity <avi@...hat.com>
Cc:	Arnaldo Carvalho de Melo <acme@...hat.com>, rostedt@...dmis.org,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Masami Hiramatsu <mhiramat@...hat.com>
Subject: Re: [patch] Re: [perf] Finding uninstalled modules Was Re: mailing
 list for trace users

On Wed, 2009-09-23 at 15:58 +0300, Avi Kivity wrote:

> Not for me.  'perf report', for example, shows
> 
>      63.08%  qemu-system-x86  
> [kernel]                                              [k] packet_exit
>       4.71%  qemu-system-x86  
> [kernel]                                              [k] hpet_next_event
>       4.38%             init  
> [kernel]                                              [k] 
> mwait_idle_with_hints
> 
> While 'perf top' still shows vmx_vcpu_run.

Ok, I'll find a nice repeatable module hitting load I can profile with
top/report and compare results.  Maybe something will fall out.

	-Mike

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