[c-nsp] CPU interrupt utilization

[Rodney Dunn]

The easiest way is to post the configuration and let people
comment on features that cause packets to be punted on 
that platform.

ie: NAT, acl's with log keyword, etc..

On Wed, Oct 12, 2005 at 11:33:05AM -0400, shmapty at foureleven.org wrote:
> show proc cpu | in ^C
> 
> gives you CPU util for five seconds: XX%/YY%
> 
> the percentage after the slash gets added to the sum of the listed
> procs' percentages to give the total CPU util percentage.  but,
> what exactly is the breakdown/utilization of the percentage after
> the slash?
> 
> i believe these are not attributable to specific procs, but to cpu
> interrupts.  on my 6500/sup2 though the five second util is 50%/35%
> 
> router##sho proc cpu | ex 0.0
> CPU utilization for five seconds: 52%/36%; one minute: 53%; five minutes: 53%
>  PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
>   53      316228   1740122        181  1.80%  0.94%  0.92%   0 Compute load avg
> 
>   71     4556300  22604419        201 13.17% 15.38% 14.29%   0 IP Input
> 
> this seems anomolously high.  how do i go about troubleshooting this?
> the cef stats, cache hit percentage, etc appear normal.
> 
> thanks.
> 
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