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

[Timothy Miller <miller@techsource.com>]

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.