From: Avi Kivity <avi@redhat.com>
To: "BRAUN, Stefanie" <Stefanie.Braun@alcatel-lucent.de>
Cc: kvm@vger.kernel.org
Subject: Re: KVM performance
Date: Mon, 06 Apr 2009 14:45:12 +0300 [thread overview]
Message-ID: <49D9EB48.4030709@redhat.com> (raw)
In-Reply-To: <133D9897FB9C5E4E9DF2779DC91E947C518348@SLFSNX.rcs.alcatel-research.de>
BRAUN, Stefanie wrote:
> Hallo,
>
> as I want to switch from XEN to KVM I've made some performance tests
> to see if KVM is as peformant as XEN. But tests with a VMU that receives
> a streamed video, adds a small logo to the video and streams it to a
> client
> have shown that XEN performs much betten than KVM.
> In XEN the vlc (videolan client used to receive, process and send the
> video) process
> within the vmu has a cpuload of 33,8 % whereas in KVM
> the vlc process has a cpuload of 99.9 %.
> I'am not sure why, does anybody now some settings to improve
> the KVM performance?
>
Is this a tcp test?
Can you test receive and transmit separately?
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-04-06 11:45 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-03 11:32 KVM performance BRAUN, Stefanie
2009-04-06 11:45 ` Avi Kivity [this message]
[not found] ` <133D9897FB9C5E4E9DF2779DC91E947C51834A@SLFSNX.rcs.alcatel-research.de>
[not found] ` <49DA2F54.8090109@redhat.com>
2009-04-07 17:00 ` AW: AW: " BRAUN, Stefanie
2009-04-07 17:34 ` Avi Kivity
2009-04-08 11:38 ` AW: " BRAUN, Stefanie
2009-04-09 15:34 ` BRAUN, Stefanie
2009-04-11 16:19 ` Avi Kivity
2009-04-14 8:26 ` AW: " BRAUN, Stefanie
2009-04-14 8:47 ` Avi Kivity
2009-04-16 13:27 ` AW: " BRAUN, Stefanie
2009-04-16 14:40 ` Avi Kivity
2009-04-06 12:13 ` Hauke Hoffmann
2009-04-06 16:30 ` AW: " BRAUN, Stefanie
2009-04-07 12:58 ` BRAUN, Stefanie
-- strict thread matches above, loose matches on Subject: below --
2008-11-14 18:35 Randy Broman
2008-11-14 18:58 ` David S. Ahern
2008-11-16 14:26 ` Avi Kivity
2008-11-16 22:08 ` Randy Broman
2008-11-17 14:50 ` Brian Jackson
2008-11-20 11:08 ` Avi Kivity
2007-01-27 0:21 Tim Chen
[not found] ` <1169857267.30807.44.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-01-27 3:11 ` Fabian Deutsch
2007-01-27 8:34 ` Avi Kivity
[not found] ` <45BB0E85.9060303-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-27 12:48 ` Rusty Russell
[not found] ` <1169902138.32208.25.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-01-28 9:40 ` Avi Kivity
[not found] ` <45BC6F98.908-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-30 12:52 ` Rusty Russell
[not found] ` <1170161536.17669.10.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-01-30 12:56 ` Avi Kivity
[not found] ` <45BF4082.3010803-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-31 1:54 ` Rusty Russell
2007-01-30 15:11 ` Anthony Liguori
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