From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Fri,  8 Jan 2010 09:48:34 -1000
From: Tim Newsham <newsham@lava.net>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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	<8d4a75e55fc55419d48a3859337bc7da@plan9.bell-labs.com>
	<d1c554291001081126l436f907l6213af2d484f66a2@mail.gmail.com>
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Subject: Re: [9fans] parallels
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> bochs offers you that to some extent.

Bochs not only has a built in debugger, but it has a mechanism
to define new CPU instrumentations (via bochs source code,
recompile required) that you can enable and disable from the
debugger.  Very cool feature if you need to investigate some
code or some performance issue.  Hoewever bochs is quite slow
and supports some old ia32 system.

Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com