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

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From: Peter Zijlstra <a.p.zijlstra@...>
To: Frank Ch. Eigler <fche@...>
Cc: Steven Rostedt <rostedt@...>, LKML <linux-kernel@...>, Ingo Molnar <mingo@...>, Linus Torvalds <torvalds@...>, Andrew Morton <akpm@...>, Christoph Hellwig <hch@...>, Mathieu Desnoyers <mathieu.desnoyers@...>, Gregory Haskins <ghaskins@...>, Arnaldo Carvalho de Melo <acme@...>, Thomas Gleixner <tglx@...>, Tim Bird <tim.bird@...>, Sam Ravnborg <sam@...>, Jan Kiszka <jan.kiszka@...>, John Stultz <johnstul@...>, Arjan van de Ven <arjan@...>, Steven Rostedt <srostedt@...>
Subject: Re: [PATCH 19/20 -v5] Trace irq disabled critical timings
Date: Wednesday, January 23, 2008 - 1:58 pm

On Wed, 2008-01-23 at 12:27 -0500, Frank Ch. Eigler wrote:

I'm still thinking latencytop should only record stack traces and do the
rest in user-space. 

Also, the things the latency tracer and latecytop measure are quite
different. the latency tracer measures how long a non-schedulable
section is, latencytop measures how a task was scheduled away.

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Messages in current thread:
[PATCH 19/20 -v5] Trace irq disabled critical timings, Steven Rostedt, (Wed Jan 23, 12:02 pm)
Re: [PATCH 19/20 -v5] Trace irq disabled critical timings, Steven Rostedt, (Wed Jan 23, 12:53 pm)
Re: [PATCH 19/20 -v5] Trace irq disabled critical timings, Steven Rostedt, (Wed Jan 23, 1:11 pm)
Re: [PATCH 19/20 -v5] Trace irq disabled critical timings, Frank Ch. Eigler, (Wed Jan 23, 1:27 pm)
Re: [PATCH 19/20 -v5] Trace irq disabled critical timings, Peter Zijlstra, (Wed Jan 23, 1:58 pm)
Re: [PATCH 19/20 -v5] Trace irq disabled critical timings, Mathieu Desnoyers, (Wed Jan 23, 5:29 pm)
Re: [PATCH 19/20 -v5] Trace irq disabled critical timings, Frank Ch. Eigler, (Wed Jan 23, 2:25 pm)
Re: [PATCH 19/20 -v5] Trace irq disabled critical timings, Steven Rostedt, (Wed Jan 23, 2:48 pm)
Re: [PATCH 19/20 -v5] Trace irq disabled critical timings, Steven Rostedt, (Wed Jan 23, 1:45 pm)
Re: [PATCH 19/20 -v5] Trace irq disabled critical timings, Mathieu Desnoyers, (Wed Jan 23, 1:54 pm)