From: Martin Josefsson <gandalf@wlug.westbo.se>
To: Simon Kirby <sim@netnation.com>
Cc: Robert Olsson <Robert.Olsson@data.slu.se>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
Eric Dumazet <dada1@cosmosbay.com>,
netdev@oss.sgi.com
Subject: Re: Route cache performance
Date: Sat, 17 Sep 2005 11:04:09 +0200 [thread overview]
Message-ID: <1126947850.4549.11.camel@localhost.localdomain> (raw)
In-Reply-To: <20050917002823.GB19112@netnation.com>
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On Fri, 2005-09-16 at 17:28 -0700, Simon Kirby wrote:
> I got stuck in some mud again, but I was able to run a small oprofile.
>
> nf_iterate was near the top even though the firewall was empty, so I
> changed CONFIG_IP_NF_IPTABLES=y to CONFIG_IP_NF_IPTABLES=m (and didn't
> load it). Throughput went up from 173 Mbps to 232 Mbps...yikes.
> Conntrack was never compiled. I'll do some more profiling when I get
> a chance...
Yes, it's bloody slow even without any rules loaded at the moment, it's
on my todo list...
If you want even less overhead then don't even select CONFIG_NETFILTER,
that way you avoid compiling in the netfilter hooks completely.
--
/Martin
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next prev parent reply other threads:[~2005-09-17 9:04 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-15 21:38 Route cache performance Simon Kirby
2005-08-16 2:23 ` Eric Dumazet
2005-08-23 19:08 ` Simon Kirby
2005-08-23 19:56 ` Robert Olsson
2005-08-24 0:01 ` Simon Kirby
2005-08-24 3:50 ` Robert Olsson
2005-08-25 18:11 ` Simon Kirby
2005-08-25 20:05 ` Alexey Kuznetsov
2005-08-25 21:22 ` Simon Kirby
2005-08-26 11:55 ` Alexey Kuznetsov
2005-08-26 19:49 ` Robert Olsson
2005-09-06 23:57 ` Simon Kirby
2005-09-07 1:19 ` Alexey Kuznetsov
2005-09-07 15:03 ` Robert Olsson
2005-09-07 16:55 ` Simon Kirby
2005-09-07 17:21 ` Robert Olsson
2005-09-07 14:45 ` Robert Olsson
2005-09-07 16:28 ` Simon Kirby
2005-09-07 16:49 ` Robert Olsson
2005-09-07 16:57 ` Simon Kirby
2005-09-07 19:59 ` Alexey Kuznetsov
2005-09-13 22:14 ` Simon Kirby
2005-09-14 8:04 ` Robert Olsson
2005-09-17 0:28 ` Simon Kirby
2005-09-17 9:04 ` Martin Josefsson [this message]
2005-09-17 15:17 ` jamal
2005-09-15 21:04 ` Alexey Kuznetsov
2005-09-15 21:30 ` Robert Olsson
2005-09-15 22:21 ` Alexey Kuznetsov
2005-09-16 12:18 ` Robert Olsson
2005-09-16 19:04 ` Alexey Kuznetsov
2005-09-16 19:22 ` Ben Greear
2005-09-16 19:57 ` Robert Olsson
-- strict thread matches above, loose matches on Subject: below --
2005-08-24 16:06 Simon Kirby
[not found] <20050301220743.GF2554@netnation.com>
[not found] ` <16940.9990.975632.115834@robur.slu.se>
2005-03-09 1:45 ` Simon Kirby
2005-03-09 12:05 ` Robert Olsson
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