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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)
Date: Wed, 11 Jul 2012 17:17:31 +0200	[thread overview]
Message-ID: <20120711151728.GE17991@somewhere> (raw)
In-Reply-To: <1342019524.3462.167.camel@twins>

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.

  reply	other threads:[~2012-07-11 15:17 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-11 14:14 Andrew Vagin
2012-07-11 14:31 ` Frederic Weisbecker
2012-07-11 14:33   ` Peter Zijlstra
2012-07-11 14:36     ` Frederic Weisbecker
2012-07-11 14:38       ` Peter Zijlstra
2012-07-11 14:48         ` Frederic Weisbecker
2012-07-11 14:55           ` Peter Zijlstra
2012-07-11 15:07             ` Frederic Weisbecker
2012-07-11 15:12             ` Peter Zijlstra
2012-07-11 15:17               ` Frederic Weisbecker [this message]
2012-07-11 15:09 ` Peter Zijlstra
2012-07-31 17:58 ` [tip:perf/urgent] perf/trace: Add ability to set a target task for events tip-bot for Andrew Vagin

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