linux-kernel - Re: [PATCH 1/2] perf, x86: Revamp PEBS event selection

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Message-ID: <20140702181414.GQ19781@tassilo.jf.intel.com>
Date:	Wed, 2 Jul 2014 11:14:14 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Andi Kleen <andi@...stfloor.org>, eranian@...gle.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] perf, x86: Revamp PEBS event selection

> But also, I think we should conditionally allow the filter bits;
> possibly with a sysfs file like I had.
> 
> Back when we had to sort that SNB cycles thing it was tedious that Linus
> could not just try things.

Hmm, the code in your patch to handle it was quite nasty.
I don't really see the situation repeating.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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