Message-ID: <404CA064.6040108@techsource.com>
Date: Mon, 08 Mar 2004 11:33:40 -0500
From: Timothy Miller <miller@techsource.com>
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To: Mike Fedyk <mfedyk@matchmail.com>
CC: John Bradford <john@grabjohn.com>, root@chaos.analogic.com,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: kernel 'simulator' and wave-form analysis tool?
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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.
>>
>>
>>
>> Doesn't Valgrind already do most of what you want?
> 
> 
> Can you valgrind a UML process?
> 
> Tim, what will this give you that a stack trace won't?
> 
> 

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.

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