From: Rusty Russell <rusty@rustcorp.com.au>
To: Tomasz Chmielewski <mangoo@wpkg.org>
Cc: "David S. Ahern" <daahern@cisco.com>,
Felix Leimbach <felix.leimbach@gmx.net>,
avi@redhat.com, kvm@vger.kernel.org,
Anthony Liguori <anthony@codemonkey.ws>
Subject: Re: strange guest slowness after some time
Date: Wed, 8 Apr 2009 10:19:14 +0930 [thread overview]
Message-ID: <200904081019.14768.rusty@rustcorp.com.au> (raw)
In-Reply-To: <49DA1D75.6000604@wpkg.org>
On Tuesday 07 April 2009 00:49:17 Tomasz Chmielewski wrote:
> Tomasz Chmielewski schrieb:
>
> > As I mentioned, it was using virtio net.
> >
> > Guests running with e1000 (and virtio_blk) don't have this problem.
>
> Also, virtio_console seem to be affected by this "slowness" issue.
I'm pretty sure this is different. Older virtio_console code ignored
interrupts and polled, and use a heuristic to back off on polling (this was
because we used the generic "hvc" infrastructure which hacked support).
You'll find a delay on the first keystroke after idle, but none on the
second.
Hope that helps,
Rusty.
next prev parent reply other threads:[~2009-04-08 0:49 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-07 15:47 strange guest slowness after some time Tomasz Chmielewski
2009-03-07 16:41 ` Johannes Baumann
2009-03-07 16:54 ` Tomasz Chmielewski
2009-03-09 9:18 ` Tomasz Chmielewski
2009-03-09 9:28 ` Tomasz Chmielewski
2009-03-19 13:03 ` Tomasz Chmielewski
2009-03-09 9:55 ` Avi Kivity
2009-03-09 10:22 ` Tomasz Chmielewski
2009-03-09 10:25 ` Avi Kivity
2009-03-09 10:31 ` Tomasz Chmielewski
2009-03-09 10:37 ` Avi Kivity
2009-03-09 10:54 ` Tomasz Chmielewski
2009-03-09 11:37 ` Tomasz Chmielewski
2009-03-09 12:14 ` Avi Kivity
2009-03-09 12:52 ` Tomasz Chmielewski
2009-03-15 15:41 ` Avi Kivity
2009-03-15 16:14 ` Avi Kivity
2009-03-15 13:19 ` Tomasz Chmielewski
2009-03-17 10:47 ` Tomasz Chmielewski
2009-03-17 11:16 ` Avi Kivity
2009-03-17 11:25 ` Tomasz Chmielewski
2009-03-17 15:32 ` Felix Leimbach
2009-03-17 15:43 ` Tomasz Chmielewski
2009-03-17 17:01 ` Felix Leimbach
2009-03-17 17:05 ` Avi Kivity
2009-03-17 18:49 ` Felix Leimbach
2009-03-18 6:36 ` Avi Kivity
2009-03-18 7:57 ` Felix Leimbach
2009-03-18 8:48 ` Avi Kivity
2009-03-18 9:08 ` Felix Leimbach
2009-03-17 17:38 ` Tomasz Chmielewski
2009-06-08 11:02 ` Felix Leimbach
2009-06-16 14:26 ` Tomasz Chmielewski
2009-03-31 8:50 ` Tomasz Chmielewski
2009-04-01 4:22 ` David S. Ahern
2009-04-01 6:21 ` Tomasz Chmielewski
2009-04-06 15:19 ` Tomasz Chmielewski
2009-04-08 0:49 ` Rusty Russell [this message]
2009-04-08 5:45 ` Tomasz Chmielewski
2009-05-26 11:49 ` Tomasz Chmielewski
2009-05-26 11:55 ` Avi Kivity
2009-05-26 12:05 ` Tomasz Chmielewski
2009-05-26 12:10 ` Avi Kivity
2009-05-26 14:07 ` Tomasz Chmielewski
2009-05-26 14:35 ` Avi Kivity
2009-05-28 14:58 ` Tomasz Chmielewski
2009-05-31 8:43 ` Avi Kivity
2009-03-17 15:52 ` Avi Kivity
2009-03-17 16:12 ` Tomasz Chmielewski
2009-03-17 17:05 ` Felix Leimbach
2009-03-17 17:10 ` Avi Kivity
2009-03-17 17:43 ` Tomasz Chmielewski
2009-03-17 18:55 ` Tomasz Chmielewski
2009-03-17 19:04 ` Felix Leimbach
2009-03-17 19:24 ` Tomasz Chmielewski
2009-03-17 20:14 ` Tomasz Chmielewski
2009-03-17 22:34 ` Tomasz Chmielewski
2009-03-17 23:02 ` Tomasz Chmielewski
2009-03-18 6:29 ` Avi Kivity
2009-03-19 4:59 ` Rusty Russell
2009-03-19 5:22 ` David S. Ahern
2009-03-19 6:08 ` David S. Ahern
2009-03-19 8:03 ` Tomasz Chmielewski
2009-03-19 14:11 ` David S. Ahern
2009-03-17 18:57 ` Felix Leimbach
2009-03-18 5:54 ` Felix Leimbach
2009-03-17 16:27 ` Tomasz Chmielewski
2009-03-17 17:14 ` Felix Leimbach
2009-03-17 17:19 ` Avi Kivity
2009-03-17 17:34 ` Tomasz Chmielewski
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