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From: Herbert Poetzl <herbert@13thfloor.at>
To: Timothy Miller <miller@techsource.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: kernel 'simulator' and wave-form analysis tool?
Date: Fri, 12 Mar 2004 22:38:55 +0100	[thread overview]
Message-ID: <20040312213855.GA8832@MAIL.13thfloor.at> (raw)
In-Reply-To: <404CA064.6040108@techsource.com>

On Mon, Mar 08, 2004 at 11:33:40AM -0500, Timothy Miller wrote:
> 
> 
> Mike Fedyk wrote:
> >John Bradford wrote:
> >
> >>>I must have been unclear.  I was not suggesting adding hardware.  I 
> >>>was suggesting that we could run Linux under Bochs, which is a 
> >>>software x86 emulator.  Being what it is, hooks can be added to track 
> >>>"cpu activity" is it occurs within the emulator.  This is all a 
> >>>simulation.  The key idea I was suggesting was to log processor 
> >>>activity (of the emulator) and develop a viewer program which would 
> >>>help people visualize the activity.

sounds good and useful to me, have a look at 
other simulators/emulators too, for example
I use QEMU[1] to test linux kernels, because
it is much simpler and faster than Bochs (YMMV)

best,
Herbert

> If your stack gets hosed by a bug, a simulator with a complete history 
> of memory writes will help you discover the problem.
> 
> I know nothing about Valgrind.

[1] http://fabrice.bellard.free.fr/qemu/


      reply	other threads:[~2004-03-12 21:38 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-05 17:05 kernel 'simulator' and wave-form analysis tool? Timothy Miller
     [not found] ` <4048B36E.8000605@techsource.com.suse.lists.linux.kernel>
2004-03-05 17:48   ` Andi Kleen
2004-03-05 18:04 ` Richard B. Johnson
2004-03-05 18:52   ` Timothy Miller
2004-03-06 11:13     ` John Bradford
2004-03-07  2:59       ` Mike Fedyk
2004-03-07 18:55         ` Jeff Dike
2004-03-08 16:33         ` Timothy Miller
2004-03-12 21:38           ` Herbert Poetzl [this message]

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