Re: kernel 'simulator' and wave-form analysis tool?

[Herbert Poetzl]

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/

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