High CPU on 7606-S

[witani]

Hi,

Can anyone help diagnose high CPU on newly installed 7606.

CPU utilization for five seconds: 61%/59%; one minute: 62%; five minutes: 63%
PID Runtime(ms)     Invoked      uSecs   5Sec   1Min   5Min TTY Process
578        5856     9392486          0  0.55%  0.50%  0.50%   0 IP SLAs XOS Even
231       90364      576908        156  0.23%  0.17%  0.18%   0 IP Input        
  73        5424        2489       2179  0.15%  0.12%  0.25%   1 SSH Process     
266        2212     4782923          0  0.15%  0.20%  0.21%   0 Ethernet Msec Ti
   2         960        7610        126  0.07%  0.04%  0.02%   0 Load Meter      
330         340       57234          5  0.07%  0.02%  0.00%   0 CEF: IPv4 proces
166        1372       38093         36  0.07%  0.05%  0.05%   0 Per-Second Jobs 
  12       26456      155124        170  0.07%  0.06%  0.07%   0 ARP Input       
  33          12        3815          3  0.07%  0.00%  0.00%   0 IPC Keep Alive M
270         340     1182673          0  0.07%  0.02%  0.02%   0 IPAM Manager    
592       14968        6047       2475  0.07%  0.00%  0.11%   3 Virtual Exec    
  11         256        9211         27  0.00%  0.00%  0.00%   0 WATCH_AFS       
  10           0           2          0  0.00%  0.00%  0.00%   0 Timers          
   9           0           1          0  0.00%  0.00%  0.00%   0 DiscardQ Backgro

[rparames]

High CPU here is result of interrupts, which in most cases is data traffic hitting the CPU.

X/y in the output X-> total CPU y-> How much of it is interrupt

You need to determine what is this traffic.

If you using Sup720 and a newer image you can run netdr capture

Router# debug netdr cap rx

wait for 5 seconds

Router# show netdr capture

There could be many reasons why traffic is punted to CPU and can be found here:

http://www.cisco.com/en/US/products/hw/switches/ps708/products_tech_note09186a00804916e0.shtml

Perform the netdr capture and after that make sure you turn off netdr capture (no debug netdr cap all)

Regards,

Rahul