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From: Tejun Heo <tj@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>, mingo@elte.hu
Cc: efault@gmx.de, avi@redhat.com, paulus@samba.org, acme@redhat.com,
	linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCHSET] sched,perf: unify tracers in sched and move perf on top of TP
Date: Wed, 05 May 2010 14:28:59 +0200	[thread overview]
Message-ID: <4BE1648B.1080709@kernel.org> (raw)
In-Reply-To: <1273059488.1642.245.camel@laptop>

Hello,

On 05/05/2010 01:38 PM, Peter Zijlstra wrote:
> As it stands I'd argue to simply drop this whole idea. The SCHED_EVENT()
> thing doesn't look like its worth the obfuscation and I'm very much
> opposed to making perf and sched_notifiers rely on tracepoints.

Hmmm... okay.  Well, this thing is born out of Ingo's suggestion that
for more sched notifiers to be added notification mechanisms need to
be consolidated.  As long as I can get those two notifiers needed for
cmwq, it's okay with me.  Ingo, what do you think?

Thanks.

-- 
tejun

  reply	other threads:[~2010-05-05 12:29 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-04 12:38 [RFC PATCHSET] sched,perf: unify tracers in sched and move perf on top of TP Tejun Heo
2010-05-04 12:38 ` [PATCH 01/12] sched: drop @cpu argument from sched_in preempt notifier Tejun Heo
2010-05-04 17:11   ` Peter Zijlstra
2010-05-04 12:38 ` [PATCH 02/12] sched: rename preempt_notifiers to sched_notifiers and refactor implementation Tejun Heo
2010-05-04 12:38 ` [PATCH 03/12] perf: add perf_event_task_migrate() Tejun Heo
2010-05-05  5:08   ` Frederic Weisbecker
2010-05-05  5:16     ` Tejun Heo
2010-05-05  9:11     ` Peter Zijlstra
2010-05-05  9:37       ` Tejun Heo
2010-05-05  9:50         ` Peter Zijlstra
2010-05-05  9:56           ` Tejun Heo
2010-05-04 12:38 ` [PATCH 04/12] perf: add @rq to perf_event_task_sched_out() Tejun Heo
2010-05-04 17:11   ` Peter Zijlstra
2010-05-04 17:22     ` Tejun Heo
2010-05-04 17:42       ` Peter Zijlstra
2010-05-04 18:22       ` Steven Rostedt
2010-05-04 18:26         ` Peter Zijlstra
2010-05-04 18:32           ` Steven Rostedt
2010-05-05  4:48             ` Tejun Heo
2010-05-05  9:58             ` Tejun Heo
2010-05-07 18:41           ` [tip:sched/core] sched: Remove rq argument to the tracepoints tip-bot for Peter Zijlstra
2010-05-04 12:38 ` [PATCH 05/12] perf: move perf_event_task_sched_in() next to fire_sched_notifiers_in() Tejun Heo
2010-05-04 12:38 ` [PATCH 06/12] sched: relocate fire_sched_notifiers_out() and trace_sched_switch() Tejun Heo
2010-05-04 12:38 ` [PATCH 07/12] sched: coalesce event notifiers Tejun Heo
2010-05-04 12:38 ` [PATCH 08/12] sched: add switch_in and tick tracepoints Tejun Heo
2010-05-04 12:38 ` [PATCH 09/12] perf: factor out perf_event_switch_clones() Tejun Heo
2010-05-04 12:38 ` [PATCH 10/12] perf: make nr_events an int and add perf_online_mutex to protect it Tejun Heo
2010-05-04 12:38 ` [PATCH 11/12] perf: prepare to move sched perf functions on top of tracepoints Tejun Heo
2010-05-04 12:38 ` [PATCH 12/12] perf: " Tejun Heo
2010-05-04 17:29 ` [RFC PATCHSET] sched,perf: unify tracers in sched and move perf on top of TP Peter Zijlstra
2010-05-05  5:00   ` Tejun Heo
2010-05-05  9:06     ` Peter Zijlstra
2010-05-05  9:32       ` Tejun Heo
2010-05-05  9:51         ` Peter Zijlstra
2010-05-05  9:54           ` Tejun Heo
2010-05-05 11:38             ` Peter Zijlstra
2010-05-05 12:28               ` Tejun Heo [this message]
2010-05-05 16:55                 ` Ingo Molnar
2010-05-05 18:12                   ` Peter Zijlstra
2010-05-05 18:16                     ` Peter Zijlstra
2010-05-05 18:30                       ` Frederic Weisbecker
2010-05-06  6:28                         ` Ingo Molnar
2010-05-06  7:11                           ` Tejun Heo
2010-05-06  8:27                             ` Ingo Molnar
2010-05-06  8:41                               ` Tejun Heo
2010-05-06  8:18                           ` Avi Kivity
2010-05-06  6:31                     ` Ingo Molnar
2010-05-06  7:04                       ` Peter Zijlstra
2010-05-06  7:11                         ` Ingo Molnar
2010-05-06  7:29                           ` Tejun Heo
2010-05-06  7:33                             ` Tejun Heo
2010-05-05 12:33               ` Avi Kivity
2010-05-05 13:09                 ` Tejun Heo
2010-05-10  5:20             ` Paul Mackerras
2010-05-10  5:48               ` Tejun Heo

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