From: "David S. Miller" <davem@redhat.com>
To: Andrew Morton <akpm@osdl.org>
Cc: jfaulkne@ccs.neu.edu, linux-kernel@vger.kernel.org, kraxel@bytesex.org
Subject: Re: major network performance difference between 2.4 and 2.6.2-rc2
Date: Wed, 4 Feb 2004 13:08:39 -0800 [thread overview]
Message-ID: <20040204130839.1023c2f2.davem@redhat.com> (raw)
In-Reply-To: <20040204125444.3f2b5e79.akpm@osdl.org>
On Wed, 4 Feb 2004 12:54:44 -0800
Andrew Morton <akpm@osdl.org> wrote:
> Jim Faulkner <jfaulkne@ccs.neu.edu> wrote:
> > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> > 3 root 35 19 0 0 0 S 45.9 0.0 0:46.98 ksoftirqd/0
> > 6 root 5 -10 0 0 0 S 43.3 0.0 1:56.63 events/0
> > 12008 dogshu 15 0 4800 2356 3828 S 5.3 0.2 0:05.98 proftpd
> > 12 root 15 0 0 0 0 S 0.3 0.0 0:00.41 pdflush
> > 9778 root 16 0 5888 1724 5516 R 0.3 0.2 0:00.12 sshd
> >
> > the load before that network transfer was 0.01, and the load after the
> > network transfer was 1.45.
>
> Could be a networking problem, but boy that's a lot of CPU time.
Andrew maybe something bolixed in the MAX_SOFTIRQ_RESTART stuff
we put into kernel/softirq.c? Just a guess...
next prev parent reply other threads:[~2004-02-04 21:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-31 3:06 major network performance difference between 2.4 and 2.6.2-rc2 Jim Faulkner
2004-01-31 14:28 ` Felipe Alfaro Solana
2004-02-04 20:42 ` Jim Faulkner
2004-02-04 20:54 ` Andrew Morton
2004-02-04 21:08 ` David S. Miller [this message]
2004-02-04 21:22 ` Andrew Morton
2004-02-05 4:57 ` Jim Faulkner
2004-02-06 21:14 ` Bill Davidsen
2004-02-07 17:56 ` Hilko Bengen
2004-02-18 3:33 ` Bill Davidsen
2004-02-04 21:28 ` Gerd Knorr
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