linux-kernel - Re: [PATCH 08/11] perf tool: precise mode requires exclude

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Message-ID: <1346882872.2600.63.camel@twins>
Date:	Thu, 06 Sep 2012 00:07:52 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	David Ahern <dsahern@...il.com>
Cc:	Robert Richter <robert.richter@....com>,
	Avi Kivity <avi@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Gleb Natapov <gleb@...hat.com>
Subject: Re: [PATCH 08/11] perf tool: precise mode requires exclude_guest

On Wed, 2012-09-05 at 09:43 -0600, David Ahern wrote:
> 
> We need to require exclude_guest when using precise attribute with perf 
> else all running VMs on Intel-based servers will crash. I do not have an 
> AMD based server to even attempt the preferred solution.

I've recently gotten a machine from AMD that would allow me to test this
stuff, so I'll put writing that somewhere near the top of the todo.

>  Best I can do 
> is to attempt to keep this thread alive until someone with one can 
> tackle the problem. 

Right you are.. keep doing this until its sorted.
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