From: Jamie Lokier <jamie@shareable.org>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [5578] Increase default IO timeout from 10ms to 5s
Date: Fri, 31 Oct 2008 19:41:07 +0000 [thread overview]
Message-ID: <20081031194105.GC16128@shareable.org> (raw)
In-Reply-To: <E1Kvyv4-0007b4-A3@cvs.savannah.gnu.org>
Anthony Liguori wrote:
> With this patch, I see the number of wake-ups with an idle dynamic
> ticks guest drop from 80 per second to about 15 times per second.
That's great, it really is, but shouldn't it be less than that?
Did you look at the wakeup rate shown by powertop in the guest, to see
how many extra wakeups are caused by QEMU internals?
-- Jamie
next prev parent reply other threads:[~2008-10-31 19:41 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-31 18:40 [Qemu-devel] [5578] Increase default IO timeout from 10ms to 5s Anthony Liguori
2008-10-31 18:52 ` Anthony Liguori
2008-11-02 19:08 ` [Qemu-devel] " Jan Kiszka
2008-11-03 20:04 ` Anthony Liguori
2008-11-03 20:36 ` Jan Kiszka
2008-11-03 21:50 ` Jan Kiszka
2008-11-03 22:00 ` Anthony Liguori
2008-11-03 22:03 ` Jan Kiszka
2008-11-04 8:07 ` andrzej zaborowski
2008-11-04 8:22 ` Jan Kiszka
2008-11-04 8:33 ` andrzej zaborowski
2008-11-04 11:32 ` Jamie Lokier
2008-11-04 16:22 ` M. Warner Losh
2008-11-04 17:10 ` Jan Kiszka
2008-11-04 17:55 ` M. Warner Losh
2008-11-04 19:08 ` Jan Kiszka
2008-11-05 15:00 ` Jamie Lokier
2008-11-05 16:10 ` M. Warner Losh
2008-11-05 18:21 ` Jan Kiszka
2008-11-05 18:41 ` Daniel P. Berrange
2008-11-05 20:16 ` andrzej zaborowski
2008-11-05 20:28 ` Daniel P. Berrange
2008-11-05 23:38 ` Jamie Lokier
2008-11-06 0:53 ` Jamie Lokier
2008-11-06 5:19 ` M. Warner Losh
2008-11-04 8:29 ` Avi Kivity
2008-10-31 19:41 ` Jamie Lokier [this message]
2008-10-31 20:13 ` [Qemu-devel] " Anthony Liguori
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