Re: CPU usage measuring

From: Dimitris Michailidis (dimitris@cthulhu.engr.sgi.com)
Date: Mon Jul 31 2000 - 13:41:39 EST


Roy Sigurd Karlsbakk <rkarlsba@myrealbox.com> writes:

> I have this p75 computer set up as a firewall for the
> internal network with linux-2.2 and ipchains, masquerading.
>
> It looks like the CPU is too slow, as it drops packets
> (though it did help highering
> /proc/sys/net/core/netdev_max_backlog). At the same time,
> top and vmstat reports 95%+ idle time. Does anyone have any
> idea why? Is this type of kernel time measured somewhere
> else, or is the problem somewhere else? In my head?

This has been fixed in recent 2.4 kernels. Can you test one of these kernels
and let me know if you still see a lot of idle time?

-- 
Dimitris Michailidis                    dimitris@engr.sgi.com

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