From: Tomasz Chmielewski <mangoo@wpkg.org>
To: Avi Kivity <avi@redhat.com>
Cc: Felix Leimbach <felix.leimbach@gmx.net>, kvm@vger.kernel.org
Subject: Re: strange guest slowness after some time
Date: Tue, 17 Mar 2009 17:12:52 +0100 [thread overview]
Message-ID: <49BFCC04.9080402@wpkg.org> (raw)
In-Reply-To: <49BFC743.20000@redhat.com>
Avi Kivity schrieb:
> Felix Leimbach wrote:
>> I see similar behavior: After a week one of my guests' network totally
>> stops to respond. Only guests using virtio networking get hit. Both
>> windows and linux guests are affected.
>> My guests in production use e1000 and have never been hit.
>> While that can be a coincidence it seems very unlikely: Out of 3
>> virtio guests 2 have been hit, one repeatedly.
>> Out of 3 e1000 guests none has ever been hit.
>>
>> Observed with kvm-83 and kvm-84 with the host running in-kernel KVM
>> code (linux 2.6.25.7)
>
> Might it be that some counter overflowed? What are the packet counts on
> long running guests?
I don't think so.
I just made both counters (TX, RX) of ifconfig for virtio interfaces
overflow several times and everything is still as fast as it should be.
> (output of ifconfig, even on an unaffected e1000 guest, might help)
--
Tomasz Chmielewski
http://wpkg.org
next prev parent reply other threads:[~2009-03-17 16:12 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
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 [this message]
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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