linux-kernel - Re: [RFC PATCH 22/22 -v2] Trace irq disabled critical timings

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Message-Id: <1199937502.18203.22.camel@imap.mvista.com>
Date:	Wed, 09 Jan 2008 19:58:22 -0800
From:	Daniel Walker <dwalker@...sta.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>,
	Steven Rostedt <srostedt@...hat.com>
Subject: Re: [RFC PATCH 22/22 -v2] Trace irq disabled critical timings


On Wed, 2008-01-09 at 18:29 -0500, Steven Rostedt wrote:
> +                       /* Don't trace irqs off for idle */
> +                       stop_critical_timings();
>                         idle();
> +                       start_critical_timings();


Is there another way to hook into the idle routine? Right above these
lines there is a call to "enter_idle()" which I'm wondering about ..
Would be nice to have some sort of generic hook or method for this ..

Daniel

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