Re: [Qemu-devel] QEMU timing requirements

[Mulyadi Santosa]

On Sat, Jun 25, 2011 at 23:28, address@hidden
<address@hidden> wrote:
> No. What I do is using gen_helper_ to compile hooks into call/ret/jmp and
> memory access. The Heuristics can then hook the events so calculation is
> done during the execution of a basic block. I thought that it could be
> possible that Qemu sets a timeout for BBL execution to prevent CPU
> monopolization by e.g. a long sequence of rep. That would make sense because
> my heuristics calculation time falls into the BBL execution time for Qemu.
> Does anyone know more about that?

perhaps your heuristics code somehow coincide with the timer alarm
(PIT, HPET etc) emulation in Qemu....and somewhere your code is not
reentrant.....

-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
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