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Re: [Qemu-devel] [RFC] reverse execution.
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [RFC] reverse execution. |
Date: |
Fri, 17 May 2013 18:54:33 +0100 |
On 17 May 2013 18:23, KONRAD Frédéric <address@hidden> wrote:
> It appeared that the replay is not deterministic even with icount:
> - the whole icount mechanism is not saved with save_vm (which can be
> achieved by moving qemu_icount to TimerState according to Paolo)
> - replaying two times the same thing and stopping at a specific
> breakpoint show two differents vmclock, so replaying the
> same amount of time don't work, and we abandoned this idea.
Personally I think icount is supposed to be deterministic,
and if it isn't then it should be fixed to be so. Does anybody
who understands it better than me disagree?
thanks
-- PMM
- [Qemu-devel] [RFC] reverse execution., KONRAD Frédéric, 2013/05/07
- Re: [Qemu-devel] [RFC] reverse execution., Rob Landley, 2013/05/19
- Re: [Qemu-devel] [RFC] reverse execution., Peter Maydell, 2013/05/19
- Re: [Qemu-devel] [RFC] reverse execution., Mark Burton, 2013/05/19
- Re: [Qemu-devel] [RFC] reverse execution., Peter Maydell, 2013/05/19
- Message not available
- Re: [Qemu-devel] [RFC] reverse execution., Brendan Dolan-Gavitt, 2013/05/19
- Re: [Qemu-devel] [RFC] reverse execution., Mark Burton, 2013/05/20