From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: Gleb Natapov <gleb@qumranet.com>, Jan Kiszka <jan.kiszka@web.de>
Subject: Re: [Qemu-devel] Re: [PATCH 1/3] Change qemu_set_irq() to return status information.
Date: Sun, 29 Jun 2008 22:54:28 +0100 [thread overview]
Message-ID: <200806292254.28512.paul@codesourcery.com> (raw)
In-Reply-To: <486802EE.40100@web.de>
> > That's exactly what -icount auto does. It gradually varies the virtual
> > clock rate to keep it in line with the outside world. You get some clock
> > skew, but that true whatever you do (including the proposed patch).
>
> Interesting. This seems to require a closer look, and maybe some
> quantification of the potential overhead.
About 10% slower than normal qemu in my measurements.
Paul
next prev parent reply other threads:[~2008-06-29 21:54 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-29 14:02 [Qemu-devel] [PATCH 0/3] Fix guest time drift under heavy load Gleb Natapov
2008-06-29 14:02 ` [Qemu-devel] [PATCH 1/3] Change qemu_set_irq() to return status information Gleb Natapov
2008-06-29 14:14 ` Avi Kivity
2008-06-29 14:18 ` Gleb Natapov
2008-06-29 14:53 ` Paul Brook
2008-06-29 15:37 ` Gleb Natapov
2008-06-29 14:38 ` Paul Brook
2008-06-29 15:40 ` Gleb Natapov
2008-06-29 18:11 ` Paul Brook
2008-06-29 19:44 ` Gleb Natapov
2008-06-29 20:34 ` Paul Brook
2008-06-29 20:49 ` Gleb Natapov
2008-06-30 13:26 ` Gleb Natapov
2008-06-30 14:00 ` Paul Brook
2008-06-30 14:28 ` Gleb Natapov
2008-06-30 14:35 ` Paul Brook
2008-06-29 20:58 ` [Qemu-devel] " Jan Kiszka
2008-06-29 21:16 ` Paul Brook
2008-06-29 21:42 ` Dor Laor
2008-06-29 21:47 ` Jan Kiszka
2008-06-29 21:54 ` Paul Brook [this message]
2008-06-30 13:18 ` Gleb Natapov
2008-06-29 14:02 ` [Qemu-devel] [PATCH 2/3] Fix time drift problem under high load when PIT is in use Gleb Natapov
2008-06-29 14:40 ` [Qemu-devel] " Jan Kiszka
2008-06-29 15:52 ` Gleb Natapov
2008-06-29 14:02 ` [Qemu-devel] [PATCH 3/3] Fix time drift problem under high load when RTC " Gleb Natapov
2008-06-29 14:37 ` [Qemu-devel] Re: [PATCH 0/3] Fix guest time drift under heavy load Jan Kiszka
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