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Re: [Qemu-devel] [5578] Increase default IO timeout from 10ms to 5s
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From: |
Jamie Lokier |
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Subject: |
Re: [Qemu-devel] [5578] Increase default IO timeout from 10ms to 5s |
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Date: |
Fri, 31 Oct 2008 19:41:07 +0000 |
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User-agent: |
Mutt/1.5.13 (2006-08-11) |
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