From: Avi Kivity <avi@redhat.com>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: KVM list <kvm@vger.kernel.org>
Subject: Re: high load with win7 & usb tablet
Date: Fri, 10 Sep 2010 19:03:04 +0300 [thread overview]
Message-ID: <4C8A56B8.4020607@redhat.com> (raw)
In-Reply-To: <4C8A48D9.2070404@msgid.tls.msk.ru>
On 09/10/2010 06:03 PM, Michael Tokarev wrote:
>
>> Strange. Can you also post a few lines of 'vmstat 1'?
>>
>> Maybe we'll see a lot of context switches in there.
> Not that many. Still running the same w7 guest, still
> ~25..27% CPU usage reported by top for the kvm process,
> here's `vmstat 5' after a while (I tend to use larger
> delay to mitigate large(ish) spikes):
>
> procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
> r b swpd free buff cache si so bi bo in cs us sy id wa
> 0 0 286764 1262976 20640 1618468 0 0 0 24 6206 4460 7 9 84 0
> 1 0 286764 1263040 20640 1618436 0 0 0 0 6080 4415 7 9 84 0
> 1 0 286764 1264380 20648 1618448 0 0 0 5 6332 4576 8 11 81 0
> 1 0 286760 1264700 20656 1618436 6 0 6 18 6464 4742 7 8 84 1
> 1 0 286760 1264864 20664 1618472 0 0 0 10 6266 4704 8 8 85 0
> 0
Stumped.
A shot in the dark: can you try running with vnc instead of sdl (and
disconnecting your vnc client while measuring)? Maybe the guest is
doing a lot of vga updates.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
next prev parent reply other threads:[~2010-09-10 16:03 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-03 12:21 high load with win7 & usb tablet Michael Tokarev
2010-09-10 11:47 ` Jes Sorensen
2010-09-10 12:16 ` Michael Tokarev
2010-09-10 16:17 ` high load with usb device Michael Tokarev
2010-09-12 9:26 ` Avi Kivity
2010-09-14 6:51 ` Michael Tokarev
2010-09-14 9:06 ` Avi Kivity
2010-09-14 9:08 ` Avi Kivity
2010-09-14 10:00 ` Michael Tokarev
2010-09-14 10:07 ` Avi Kivity
2010-09-14 10:25 ` Michael Tokarev
2010-09-14 10:39 ` Avi Kivity
2010-09-14 11:02 ` Michael Tokarev
2010-09-14 13:15 ` Michael Tokarev
2010-09-14 13:25 ` Avi Kivity
2010-09-14 13:29 ` Michael Tokarev
2010-09-14 13:38 ` Michael Tokarev
2010-09-14 14:45 ` Avi Kivity
2010-09-14 14:53 ` Michael Tokarev
2010-09-14 16:00 ` Avi Kivity
2010-09-14 16:29 ` Michael Tokarev
2010-09-14 16:37 ` Avi Kivity
2010-09-14 16:50 ` Michael Tokarev
2010-09-14 16:45 ` David S. Ahern
2010-09-14 15:51 ` David S. Ahern
2010-09-14 16:00 ` Michael Tokarev
2010-09-14 16:09 ` David S. Ahern
2010-09-10 12:19 ` high load with win7 & usb tablet Avi Kivity
2010-09-10 12:44 ` Michael Tokarev
2010-09-10 12:50 ` Avi Kivity
[not found] ` <4C8A44E6.2060008@msgid.tls.msk.ru>
2010-09-10 14:56 ` Avi Kivity
2010-09-10 15:03 ` Michael Tokarev
2010-09-10 16:03 ` Avi Kivity [this message]
2010-09-14 8:26 ` Brad Campbell
2010-09-14 8:33 ` Michael Tokarev
2010-09-14 8:46 ` Brad Campbell
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