From: Peter Maydell <peter.maydell@linaro.org>
To: Matt <mattator@gmail.com>
Cc: "Nutaro, James J." <nutarojj@ornl.gov>,
"Emilio G. Cota" <cota@braap.org>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Hajime Tazaki <tazaki@wide.ad.jp>
Subject: Re: [Qemu-devel] Running Qemu in discrete time/step by step
Date: Mon, 23 Oct 2017 10:47:41 +0100 [thread overview]
Message-ID: <CAFEAcA-d_g2f20R18sJHwXU_NM4xtNM=n5HL2BF8G4YEzeghnA@mail.gmail.com> (raw)
In-Reply-To: <CADHp1NxzGr_ijvGrUbmZf0NuUv+JwJZeA=8h4tZNn++SBA1yUw@mail.gmail.com>
On 23 October 2017 at 10:38, Matt <mattator@gmail.com> wrote:
> I did not know about Qemu's record/replay mode which is an interesting
> feature but unneeded if a 2nd qemu run with the same inputs generated
> the same outputs (as it's the case with DCE).
Depends what you're trying to do. Deterministic execution is
a prerequisite for record-and-replay, and sometimes determinism
is all you need, but record-and-replay can provide more than that.
thanks
-- PMM
next prev parent reply other threads:[~2017-10-23 9:48 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-19 5:14 [Qemu-devel] Running Qemu in discrete time/step by step Matt
2017-10-19 20:54 ` Emilio G. Cota
2017-10-20 15:02 ` Nutaro, James J.
2017-10-23 9:38 ` Matt
2017-10-23 9:47 ` Peter Maydell [this message]
2017-10-23 21:33 ` Nutaro, James J.
2017-10-30 7:49 ` Matt
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