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Date: Wed, 11 Jul 2012 17:17:31 +0200
From: Frederic Weisbecker <fweisbec@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Andrew Vagin <avagin@openvz.org>, linux-kernel@vger.kernel.org,
        Ingo Molnar <mingo@kernel.org>, Steven Rostedt <rostedt@goodmis.org>,
        Paul Mackerras <paulus@samba.org>,
        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
        Arun Sharma <asharma@fb.com>
Subject: Re: [PATCH] trace: add ability to set a target task for events (v2)
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On Wed, Jul 11, 2012 at 05:12:04PM +0200, Peter Zijlstra wrote:
> On Wed, 2012-07-11 at 16:55 +0200, Peter Zijlstra wrote:
> > Right.. back when I did that the plan was to make PERF_SAMPLE_PERIOD fix
> > that, of course that never seemed to have happened.
> > 
> > With PERF_SAMPLE_PERIOD you can simply write the 1b into the period of 1
> > event and be done with it. 
> 
> It did! Andrew fixed it..

Ah! Then may be we need to force PERF_SAMPLE_PERIOD on tracepoints from
perf tools. I need to check that.