Date: Tue, 14 Oct 2014 14:53:53 +0200 From: =?ISO-8859-1?Q?Olivier_Cochard=2DLabb=E9?= <olivier@cochard.me> To: Craig Rodrigues <rodrigc@freebsd.org> Cc: FreeBSD Net <freebsd-net@freebsd.org>, "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org>, "Alexander V. Chernikov" <melifaro@ipfw.ru>, freebsd-arch <freebsd-arch@freebsd.org> Subject: Re: Enabling VIMAGE by default for FreeBSD 11? Message-ID: <CA%2Bq%2BTco_8x1YUdu65a62LTW2fKJf%2BymmierbcktEHdiKp3rcNg@mail.gmail.com> In-Reply-To: <CAG=rPVcWVPZoG1=c3U2ArJLEH%2BdF2kPxkfihs4J872pH9LJ0mQ@mail.gmail.com> References: <CAG=rPVe_JGy%2BeUiDjHaXXi5=n2mWGOeZjHkbVeUeS_m1z1_uMg@mail.gmail.com> <BE67D12E-E8AB-401E-8B45-6BE56C1DF2FB@ipfw.ru> <CAG=rPVcWVPZoG1=c3U2ArJLEH%2BdF2kPxkfihs4J872pH9LJ0mQ@mail.gmail.com>
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On Tue, Oct 14, 2014 at 8:20 AM, Craig Rodrigues <rodrigc@freebsd.org>
wrote:
> On Sat, Oct 11, 2014 at 1:20 PM, Alexander V. Chernikov <melifaro@ipfw.ru>
> wrote:
>
> >
> > On 11 Oct 2014, at 21:58, Craig Rodrigues <rodrigc@FreeBSD.org> wrote:
> >
> > > Hi,
> > >
> > > What action items are left to enable VIMAGE by default for FreeBSD 11?
> > Are there any tests results showing performance implications on different
> > network-related workloads?
> >
> >
> Alexander,
>
> Do you have a testbed where you could run a quick network test for
> non-virtualized workload:
> -> CURRENT without VIMAGE in kernel config
> -> CURRENT with VIMAGE in kernel config
>
> and provide some results ?
>
I can use my forwarding/firewalling 10Giga lab for testing VIMAGE impact.
Here are my ministat results (smallest packet size, value in
packet-per-second, about 2000 flows).
=> I didn't see lot's of performance impact with VIMAGE option added in
kernel.
Forwarding difference :
x forwarding.r272978-VIMAGE
+ forwarding.r272978
+----------------------------------------------------------------------+
|x +x x ++ + x x +|
| |_____________________M__A________________________| |
| |____________M____A________________| |
+----------------------------------------------------------------------+
N Min Max Median Avg Stddev
x 5 1929165 1998339 1963904 1966801.4 27506.256
+ 5 1953943 2005868 1971503 1976523 19087.721
No difference proven at 95.0% confidence
ipfw-statefull difference:
x ipfw-statefull.r272978-VIMAGE
+ ipfw-statefull.r272978
+----------------------------------------------------------------------+
| x x * * + x+ +|
||_________MA__________| |
| |_______________M_______A_______________________| |
+----------------------------------------------------------------------+
N Min Max Median Avg Stddev
x 5 1490042 1531750 1503590 1505175 16403.596
+ 5 1502719 1589778 1517320 1529871.8 35404.181
No difference proven at 95.0% confidence
pf-statefull difference:
x pf-statefull.r272978-VIMAGE
+ pf-statefull.r272978
+----------------------------------------------------------------------+
|x + + x x *+ x +|
| |__________________A____M_____________| |
| |____________________A_M_________________| |
+----------------------------------------------------------------------+
N Min Max Median Avg Stddev
x 5 1315594 1341130 1334215 1331310 9769.922
+ 5 1324108 1351078 1336257 1335044.2 10562.448
No difference proven at 95.0% confidence
Regards
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