From: Fabian Hugelshofer <hugelshofer2006@gmx.ch>
To: netfilter-devel@vger.kernel.org
Cc: Patrick McHardy <kaber@trash.net>,
Pablo Neira Ayuso <pablo@netfilter.org>
Subject: Re: Conntrack Events Performance - Multipart Messages?
Date: Fri, 25 Jul 2008 09:44:55 +0100 [thread overview]
Message-ID: <48899287.50402@gmx.ch> (raw)
In-Reply-To: <48875887.8040209@gmx.ch>
Fabian Hugelshofer wrote:
> Patrick McHardy wrote:
>> The first thing to try would be to use sane allocation sizes
>> for the event messages. This patch doesn't implement it properly
>> (uses probing), but should be enough to test whether it helps.
>
> Thanks a lot. This patch already decreased the CPU usage for ctevtest
> from 85% to 44%. Sweet...
I just rerun the test. The 85% CPU usage was with 1700pps and 44% with
1500pps. The wireless channel does not provide the same performance all
the time and I did not pay attention to the packet rate.
Without the allocation patch and 1500pps the CPU usage is 56%. But 10%
less is still quite nice.
prev parent reply other threads:[~2008-07-25 8:44 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-16 16:42 Conntrack Events Performance - Multipart Messages? Fabian Hugelshofer
2008-07-17 9:16 ` Patrick McHardy
2008-07-17 10:03 ` Pablo Neira Ayuso
2008-07-17 14:34 ` Fabian Hugelshofer
2008-07-17 15:15 ` Fabian Hugelshofer
2008-07-18 15:56 ` Fabian Hugelshofer
2008-07-18 2:11 ` Patrick McHardy
2008-07-21 15:51 ` Fabian Hugelshofer
2008-07-21 15:59 ` Patrick McHardy
2008-07-21 17:49 ` Fabian Hugelshofer
2008-07-23 14:32 ` Fabian Hugelshofer
2008-07-23 14:38 ` Patrick McHardy
2008-07-23 16:12 ` Fabian Hugelshofer
2008-07-23 17:01 ` Patrick McHardy
2008-07-23 17:07 ` Patrick McHardy
2008-07-23 17:30 ` Fabian Hugelshofer
2008-07-23 17:32 ` Patrick McHardy
2008-07-23 17:38 ` Fabian Hugelshofer
2008-07-23 17:40 ` Patrick McHardy
2008-07-23 17:15 ` Fabian Hugelshofer
2008-07-23 17:20 ` Patrick McHardy
2008-07-24 13:21 ` Fabian Hugelshofer
2008-07-25 8:51 ` Fabian Hugelshofer
2008-07-25 9:32 ` Pablo Neira Ayuso
2008-07-25 11:15 ` Pablo Neira Ayuso
2008-07-27 17:23 ` Fabian Hugelshofer
2008-07-28 18:31 ` Pablo Neira Ayuso
2008-07-28 23:12 ` Fabian Hugelshofer
2008-07-29 17:11 ` Pablo Neira Ayuso
2008-07-25 8:44 ` Fabian Hugelshofer [this message]
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