linux-kernel - Re: [V3][PATCH 0/7] perf, x86: Implement AMD IBS

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Date:	Tue, 04 Oct 2011 18:45:09 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Robert Richter <robert.richter@....com>,
	Stephane Eranian <eranian@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Don Zickus <dzickus@...hat.com>,
	acme <acme@...stprotocols.net>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [V3][PATCH 0/7] perf, x86: Implement AMD IBS

On Tue, 2011-10-04 at 09:41 -0700, Andi Kleen wrote:
> Ingo Molnar <mingo@...e.hu> writes:
> >
> >  - Testable IBS user-space code a bit more prominently integrated
> >    than having to go down into a cellar with no working lights and 
> >    finding the code on display in tools/perf/Documentation/examples/ 
> >    on the bottom of a locked filing cabinet stuck in a disused
> >    lavatory with a sign on the door saying 'Beware of the Leopard.'
> 
> I looked at this for PEBS, and the best solution currently seems
> to be a python script that works with perf script and does some post
> processing to present the data as summary or individual samples.
> I assume that could work for IBS too.
> 
> Comments?

I would much prefer perf {ibs,pebs} commands implemented in C, so that
normal people can change/improve them too.

I really hate all that snake foo.
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