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Re: [Qemu-devel] QEMU timing requirements
From: |
Mulyadi Santosa |
Subject: |
Re: [Qemu-devel] QEMU timing requirements |
Date: |
Sun, 26 Jun 2011 03:02:44 +0700 |
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
training: mulyaditraining.blogspot.com