linux-kernel - Re: [BUG] Strange 1-second pauses during Resume-from-RAM

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Date:	Fri, 30 Nov 2007 19:35:11 +0100
From:	Jörn Engel <joern@...fs.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	J?rn Engel <joern@...fs.org>, Mark Lord <lkml@....ca>,
	Pavel Machek <pavel@....cz>, Mark Lord <liml@....ca>,
	Thomas Gleixner <tglx@...utronix.de>, len.brown@...el.com,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org,
	rjw@...k.pl
Subject: Re: [BUG] Strange 1-second pauses during Resume-from-RAM

On Fri, 30 November 2007 14:43:12 +0100, Ingo Molnar wrote:
> 
>   http://redhat.com/~mingo/latency-tracing-patches/latency-tracing-v2.6.24-rc3.combo.patch
> 
> does it work any better?

It compiles.  It boots with a 512M RAM (384M was too little with all
the other debug options on).  But it seems to lock up when running
trace-cmd.  On a rerun it locks up again, but with different output.
Rerun was captured:
http://logfs.org/~joern/trace1.jpg

I should do a couple of runs, but my girlfriend claims realtime priority
for the evening.

Jörn

-- 
Chance favors only the prepared mind.
-- Louis Pasteur
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