linux-kernel - Re: [PATCH 19/20 -v5] Trace irq disabled critical timings

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Message-ID: <20080123172712.GE18698@redhat.com>
Date:	Wed, 23 Jan 2008 12:27:12 -0500
From:	"Frank Ch. Eigler" <fche@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Christoph Hellwig <hch@...radead.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	Gregory Haskins <ghaskins@...ell.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Tim Bird <tim.bird@...sony.com>,
	Sam Ravnborg <sam@...nborg.org>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	Jan Kiszka <jan.kiszka@...mens.com>,
	John Stultz <johnstul@...ibm.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Steven Rostedt <srostedt@...hat.com>
Subject: Re: [PATCH 19/20 -v5] Trace irq disabled critical timings

Hi -

On Wed, Jan 23, 2008 at 12:11:07PM -0500, Steven Rostedt wrote:
> This patch adds latency tracing for critical timings
> (how long interrupts are disabled for).
> [...]

Is there an opportunity here to share effort with latencytop, and
ideally to use markers as much as possible for these event hooks?

- FChE
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