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From: Peter Zijlstra <peterz@infradead.org>
To: Tom Zanussi <tzanussi@gmail.com>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, fweisbec@gmail.com,
	rostedt@goodmis.org, anton@samba.org, hch@infradead.org,
	Mike Galbraith <efault@gmx.de>
Subject: Re: [RFC][PATCH 0/7] perf trace: general-purpose scripting support, v2
Date: Wed, 25 Nov 2009 09:28:15 +0100	[thread overview]
Message-ID: <1259137695.4027.45.camel@laptop> (raw)
In-Reply-To: <1259133352-23685-1-git-send-email-tzanussi@gmail.com>

On Wed, 2009-11-25 at 01:15 -0600, Tom Zanussi wrote:
> sched::sched_wakeup      0 01238.657997033     6183 firefox              comm=firefox, pid=6199, prio=120, success=1, target_cpu=1
> sched::sched_switch      1 01238.657991740     7140 firefox              prev_comm=firefox, prev_pid=7140, prev_prio=120, prev_state=S, next_comm=firefox, next_pid=6199, next_prio=120
> 
> min_wakeup_latency: -5293 

Looks like we missed a clock update on the cross cpu wakeup, Mike was
busy plugging those holes -- I've been starting at a patch that might
cure this (amongst other things).




  parent reply	other threads:[~2009-11-25  8:28 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-25  7:15 [RFC][PATCH 0/7] perf trace: general-purpose scripting support, v2 Tom Zanussi
2009-11-25  7:15 ` [RFC][PATCH 1/7] perf trace: Add scripting ops Tom Zanussi
2009-11-30  8:21   ` [tip:perf/scripting] " tip-bot for Tom Zanussi
2009-11-25  7:15 ` [RFC][PATCH 2/7] perf trace: Add flag/symbolic format_flags Tom Zanussi
2009-11-30  8:22   ` [tip:perf/scripting] " tip-bot for Tom Zanussi
2009-11-25  7:15 ` [RFC][PATCH 3/7] perf trace: Add Perl scripting support Tom Zanussi
2009-11-30  8:22   ` [tip:perf/scripting] " tip-bot for Tom Zanussi
2009-11-25  7:15 ` [RFC][PATCH 4/7] perf trace: Add perf trace scripting support modules for Perl Tom Zanussi
2009-11-30  8:22   ` [tip:perf/scripting] " tip-bot for Tom Zanussi
2009-11-25  7:15 ` [RFC][PATCH 5/7] perf trace: Add interface to access perf data from Perl handlers Tom Zanussi
2009-11-30  8:22   ` [tip:perf/scripting] " tip-bot for Tom Zanussi
2009-11-25  7:15 ` [RFC][PATCH 6/7] perf trace: Add Documentation for perf trace Perl support Tom Zanussi
2009-11-30  8:23   ` [tip:perf/scripting] " tip-bot for Tom Zanussi
2009-11-25  7:15 ` [RFC][PATCH 7/7] perf trace: Add a scripts/perl/bin for perf trace shell scripts Tom Zanussi
2009-11-30  8:23   ` [tip:perf/scripting] " tip-bot for Tom Zanussi
2009-11-25  8:28 ` Peter Zijlstra [this message]
2009-11-25  9:38   ` [RFC][PATCH 0/7] perf trace: general-purpose scripting support, v2 Peter Zijlstra
2009-11-25  9:43     ` Ingo Molnar
2009-11-25  9:58       ` Peter Zijlstra
2009-11-25 10:00         ` Peter Zijlstra
2009-11-28  9:14 ` Ingo Molnar
2009-11-30  7:17   ` Tom Zanussi

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