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.
next prev parent 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 [PATCH] trace: add ability to set a target task for events (v2) 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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