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Re: Perfomance problem on MIPS

To: art <art@sigrand.ru>
Subject: Re: Perfomance problem on MIPS
From: Ralf Baechle <ralf@linux-mips.org>
Date: Mon, 5 Jun 2006 10:23:04 +0100
Cc: linux-mips@linux-mips.org
In-reply-to: <15613.060605@sigrand.ru>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <15613.060605@sigrand.ru>
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On Mon, Jun 05, 2006 at 02:43:47PM +0700, art wrote:

> Hello all!
>       I work with processor: MIPS 4KC.
>       I check network performance without iptables & conntrac enabled
>       and it has near 80Mbit/s.
>       When I enable (without adding rules) network performance was
>       near 40Mbit/s.
>       While testing ksoftirqd is get near 50% of cpu. And (it is so
>       strange) top eats the same! However cpu has 100% load and
>       perfomance is real bad.
>       Has anybody same problem?

Just loading the connection tracking module will pull networking
performance into a deep hole, no surprise there.  All your numbers are on
the low side though.  What clock rate is your CPU running?

  Ralf

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