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List:       linux-kernel
Subject:    Re: CPU usage measuring
From:       Dimitris Michailidis <dimitris () cthulhu ! engr ! sgi ! com>
Date:       2000-07-31 18:41:39
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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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