From: David Ahern <dsahern@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>,
Stephane Eranian <eranian@google.com>,
LKML <linux-kernel@vger.kernel.org>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Subject: Re: git bisect and perf
Date: Tue, 05 Jun 2012 17:48:43 -0600 [thread overview]
Message-ID: <4FCE9ADB.9000405@gmail.com> (raw)
In-Reply-To: <1338917712.2749.24.camel@twins>
Thanks for the explanation and patience.
On 6/5/12 11:35 AM, Peter Zijlstra wrote:
> Now not all events the Intel PMU can do are PEBS capable; in fact most
> aren't. So the whole cycles thing is about mapping the regular cycles
> event to something that is PEBS capable.
>
I think I get it now. 7639dae0 is the commit I needed. With it 2.6.35.14
can do cycles:pp profiling.
In general only the events listed in intel_XXXXX_pebs_events can be used
with :p.
David
next prev parent reply other threads:[~2012-06-05 23:48 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-05 15:29 git bisect and perf David Ahern
2012-06-05 15:51 ` Roland Dreier
2012-06-05 16:56 ` David Ahern
2012-06-05 16:00 ` Peter Zijlstra
2012-06-05 16:05 ` Peter Zijlstra
2012-06-05 17:12 ` David Ahern
2012-06-05 17:35 ` Peter Zijlstra
2012-06-05 23:48 ` David Ahern [this message]
2012-06-06 11:46 ` Stephane Eranian
2012-06-05 19:04 ` Stephane Eranian
2012-06-05 19:08 ` David Ahern
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