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

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Date:	Sun, 2 Dec 2007 22:19:00 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jörn Engel <joern@...fs.org>
Cc:	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


* Jörn Engel <joern@...fs.org> wrote:

> >   ./trace-cmd sleep 1 > trace.txt
> > 
> >   http://people.redhat.com/mingo/latency-tracing-patches/trace-cmd.c
> > 
> > to capture a 1 second trace of what the system is doing. I think 
> > your troubles are due to running it within a qemu guest - that is 
> > not a typical utilization so you are on unchartered waters.
> 
> Maybe one more thing: can you send me the config you used for the 
> setup above?  I'd like to know whether qemu or my config is to blame.

sure - attached.

	Ingo

View attachment "config" of type "text/plain" (72626 bytes)