linux-kernel - Re: git bisect and perf

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Message-ID: <1338912052.2749.2.camel@twins>
Date:	Tue, 05 Jun 2012 18:00:52 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	David Ahern <dsahern@...il.com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Stephane Eranian <eranian@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: Re: git bisect and perf

On Tue, 2012-06-05 at 09:29 -0600, David Ahern wrote:
> I am trying find out when (ie. which commit) the pebs feature
> actually 
> started working on a westmere system

What do you mean with working? The whole cycles:pp thing is magic and
unrelated to 'regular' PEBS stuff. .35 would indeed be the version we
introduced PEBS support and it should actually work.

But if you're looking for the cycles:pp stuff (commit 7639dae0ca1)
that's .38-rc1-ish.
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