From: Keir Fraser <keir.fraser@eu.citrix.com>
To: Mike Viau <viaum@sheridanc.on.ca>,
"bderzhavets@yahoo.com" <bderzhavets@yahoo.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
"xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: Re: [Xen-devel] RE: How to: Improve Network Throughput of a XEN kernel?
Date: Wed, 03 Mar 2010 08:21:12 +0000 [thread overview]
Message-ID: <C7B3CC78.BC90%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <BAY107-W956F9D7AB6A1CE82A49AEEF3A0@phx.gbl>
On 03/03/2010 00:50, "Mike Viau" <viaum@sheridanc.on.ca> wrote:
> The openSUSE distribution supported Xen 3.4.1 tools, and had a 2.6.31.12
> xenified kernel. On this setup I experience identical network performance.
>
> ~1MB/s - w/ xen kernel
> ~4.5 MB/s - w/ non-xen kernel
How/what are you measuring? Both those numbers are crap for a gigabit NIC.
They're poor even for Fast Ethernet.
Huge performance differences between dom0 and native are unusual. But
normally you can max the card in both cases, with CPU headroom to spare.
-- Keir
> I use the e1000e kernel module driver for my Ethernet card.
>
> Is this typical Dom0 (or Xen Host) network performance with a xenified kernel
> or is just in my two setups that one encounters such a network performance hit
> to the Dom0?
next prev parent reply other threads:[~2010-03-03 8:21 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-03 0:50 RE: [Xen-users] How to: Improve Network Throughput of a XEN kernel? Mike Viau
2010-03-03 8:21 ` Keir Fraser [this message]
2010-03-03 9:18 ` [Xen-devel] " Pasi Kärkkäinen
2010-03-03 15:44 ` RE: [Xen-users] " Mike Viau
2010-03-03 18:07 ` [Xen-devel] " Thomas Halinka
2010-03-07 5:55 ` Mike Viau
2010-03-03 21:41 ` Pasi Kärkkäinen
-- strict thread matches above, loose matches on Subject: below --
2010-03-01 19:52 RE: [Xen-users] " Mike Viau
2010-03-02 1:23 ` [Xen-devel] " Boris Derzhavets
2010-02-27 17:03 Mike Viau
2010-02-27 19:20 ` [Xen-devel] " Boris Derzhavets
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