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Date: Mon, 10 Oct 2011 08:05:37 +0200
From: Ingo Molnar <mingo@elte.hu>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Andi Kleen <andi@firstfloor.org>, Robert Richter <robert.richter@amd.com>,
        Stephane Eranian <eranian@google.com>,
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        =?iso-8859-1?Q?Fr=E9d=E9ric?= Weisbecker <fweisbec@gmail.com>,
        Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [V3][PATCH 0/7] perf, x86: Implement AMD IBS
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* Peter Zijlstra <peterz@infradead.org> wrote:

> On Tue, 2011-10-04 at 09:41 -0700, Andi Kleen wrote:
> > Ingo Molnar <mingo@elte.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.

The other issue is performance, obviously. So for core functionality 
we are pretty sure we want to offer to everyone C is the preferred 
form.

Scripting integration *in addition* to that is obviously welcome too.

Thanks,

	Ingo