[c-nsp] CPU processing

Kim Onnel karim.adel at gmail.com
Tue Jan 3 11:33:39 EST 2006


oh right, everyone knows it, feelign dumb now :) thanks everyone

On 1/3/06, Murilo Antonio Pugliese <mpugliese at diveo.net.br> wrote:
>
>
>
>
> The fast-switched packets are switched at the interrupt level and you can
> see this from the cpu utilization for five seconds
>
> i.e "CPU utilization for five seconds: 47%/38%; one minute: 52%; five
> minutes: 48%"
>
> the first value 47% is the precentage the cpu is running at that moment
> and the other value 38% mean that
> out of 47% the 38% is being switched at the interrupt level which is your
> fast-swtiched traffic.
>
> That rule apply for all the switching path
>
>
> ----------------------------------------------------------------------------------------------------------------------------------------
>
>
>
> -----Mensagem original-----
> De: Gert Doering [mailto:gert at greenie.muc.de]
> Enviada em: terça-feira, 3 de janeiro de 2006 14:20
> Para: Kim Onnel
> Cc: Cisco List 2 (E-mail)
> Assunto: Re: [c-nsp] CPU processing
>
>
> Hi,
>
> On Tue, Jan 03, 2006 at 06:00:25PM +0200, Kim Onnel wrote:
> > RPM#sh proc cpu sort | e 0.00
> > CPU utilization for five seconds: 48%/30%; one minute: 47%; five
> minutes:
> > 46%
>
> 30% is spent in IRQ context (switching packets), not in a specific
> process.
>
> (... and how these numbers have to be read has been asked and answered
> A LOT OF TIMES on this list...)
>
> gert
> --
> USENET is *not* the non-clickable part of WWW!
>
> //www.muc.de/~gert/
> Gert Doering - Munich, Germany
> gert at greenie.muc.de
> fax: +49-89-35655025
> gert at net.informatik.tu-muenchen.de
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