[c-nsp] Strange High CPU

[Tassos Chatzithomaoglou]

I believe it's normal for cpu to go high when having long cli outputs.
Nevertheless, you shouldn't worry because the Virtual Exec process should be (is ?) of low priority.

--
Tassos

Jorge Evangelista wrote on 4/2/2008 5:08 μμ:
> Hi list,
> 
> I  I have some issues with a router Cisco 871, it have two VPNs with GRE
> to others 871 routers, I realise me that when I execute "show run" or "show
> tech-support" (it delays) the cpu process in my router reach 99%, the
> problem seems  the process Virtual Exec, I have seen that it adds 95% load
> CPU to my router Cisco 871, only for this instant.
> 
> alias exec ps sh processes cpu | ex 0.00%__0.00%__0.00%
> #ps
> CPU utilization for five seconds: 3%/2%; one minute: 5%; five minutes: 5%
>  PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
>    4     1958996    114727      17075  0.00%  0.77%  0.76%   0 Check
> heaps
>    8      285908   1153404        247  0.16%  0.20%  0.19%   0 ARP
> Input
>   41      631928   1277758        494  0.40%  0.47%  0.54%   0 COLLECT STAT
> COU
>   42       66696    603553        110  0.08%  0.01%  0.01%   0 Net
> Input
>   44       50784      4394      11557  0.00%  0.02%  0.00%   0 Per-minute
> Jobs
>   58        1452      2660        545  0.08%  0.02%  0.13%   2 Virtual
> Exec
>   67     1304780   3132327        416  0.81%  1.10%  1.24%   0 IP
> Input
>   88       36492     40031        911  0.00%  0.02%  0.00%   0 IGMPSN
> 
> 
> When I execute show tech-support
> 
> TOPYTOP#ps
> CPU utilization for five seconds: 99%/3%; one minute: 23%; five minutes: 11%
>  PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
>    4     1968196    115267      17075  0.33%  0.57%  0.68%   0 Check
> heaps
>    8      289220   1165989        248  0.08%  0.24%  0.22%   0 ARP
> Input
>   35          60   1696274          0  0.08%  0.00%  0.00%   0 WLAN LED
> Timers
>   41      641396   1283773        499  0.24%  0.52%  0.75%   0 COLLECT STAT
> COU
>   42       67124    608243        110  0.00%  0.02%  0.00%   0 Net
> Input
>   43          52     50938          1  0.08%  0.00%  0.00%   0 Compute load
> avg
>   44       51028      4417      11552  0.00%  0.02%  0.00%   0 Per-minute
> Jobs
>   58       14236      3060       4652 92.09% 16.17%  3.78%   2 Virtual
> Exec
>   67     1320676   3169609        416  1.74%  1.61%  1.34%   0 IP
> Input
>   85         308    636106          0  0.08%  0.00%  0.00%   0 CEF
> process
>   88       36688     40298        910  0.00%  0.01%  0.00%   0
> IGMPSN
>  122         488       547        892  0.49%  0.04%  0.01%   0
> TPLUS
> 
> 
> 
> According to cisco, the solutions for this problem is that i execute "no
> logging console" or  "undebug all" , but I am not running some debug. I am
> running the same IOS in several cisco routers 871, it works fine, my IOS is
> c870-advipservicesk9-mz.124-4.T3.bin
> Could it be a hardware problem or un bug in the IOS?.
> 
> If anyone can search my IOS have bugs in Bug
> Toolkit<http://tools.cisco.com/Support/BugToolKit/> [image:
> Please log in to access] from Cisco, I do not have a CCO account with levels
> access required. Or how can I tune my config for the Virtual Exec process,
> any help is appreciated.
> 
> 
> 
> 
> 
>