On Sep 1, 9:03pm, Alex Bligh wrote:
> Subject: [nsp] show proc cpu
> Anyone know what Cisco's are doing when the CPU usage column in
> show proc cpu adds up to nothing like the number at the top? Debugging
> normally does this, but it isn't switched on in this case (4700).
> I think it's switching packets that does it, though I thought that
> normally hit IP Input.
>
Interrupt-level processing
I believe only packets switched by the processor show up in "IP input";
"fast switching" (ie. "ip route-cache") as well as CEF don't; but
still affect the processor. Also flow switching.
Tony
> --
> Alex Bligh
> GX Networks (formerly Xara Networks)
>
>
> telehouse16#show proc cpu
> CPU utilization for five seconds: 37%/35%; one minute: 42%; five minutes: 41%
> PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
> 1 8180 2013277 4 0.00% 0.00% 0.00% 0 Load Meter
> 2 14255652 130927068 108 0.00% 0.05% 0.06% 0 OSPF Hello
> 3 88398944 874468 101089 0.00% 0.58% 0.68% 0 Check heaps
> 4 221640 408951 541 0.00% 0.00% 0.00% 0 Pool Manager
> 5 0 2 0 0.00% 0.00% 0.00% 0 Timers
> 6 32457048 72469861 447 0.00% 0.00% 0.00% 0 ARP Input
> 7 0 1 0 0.00% 0.00% 0.00% 0 SERIAL A'detect
> 8 0 2 0 0.00% 0.00% 0.00% 0 ATM ILMI Input
> 9 0 2 0 0.00% 0.00% 0.00% 0 ILMI Process
> 10 0 2 0 0.00% 0.00% 0.00% 0 ATMSIG Timer
> 11 123435124 232626039 530 1.22% 0.92% 0.83% 0 IP Input
> 12 494652 1451670 340 0.00% 0.00% 0.00% 0 CDP Protocol
> 13 445660 8713180 51 0.00% 0.00% 0.00% 0 TCP Timer
> 14 324 559 579 0.00% 0.00% 0.00% 0 TCP Protocols
> 15 0 1 0 0.00% 0.00% 0.00% 0 Probe Input
> 16 0 1 0 0.00% 0.00% 0.00% 0 RARP Input
> 17 0 7 0 0.00% 0.00% 0.00% 0 BOOTP Server
> 18 4111900 10162880 404 0.00% 0.03% 0.00% 0 IP Background
> 19 443170324 1644802 269437 0.00% 5.57% 4.64% 0 IP Cache Ager
> 20 12 12 1000 0.00% 0.00% 0.00% 0 Critical Bkgnd
> 21 291972 1448303 201 0.00% 0.00% 0.00% 0 Net Background
> 22 48744 2024217 24 0.00% 0.00% 0.00% 0 Logger
> 23 230576 9996338 23 0.00% 0.00% 0.00% 0 TTY Background
> 24 156844 9996346 15 0.00% 0.00% 0.00% 0 Per-Second Jobs
> 25 1187388 9996342 118 0.00% 0.01% 0.00% 0 Net Periodic
> 26 141228 1616958 87 0.00% 0.00% 0.00% 0 Net Input
> 27 21288 2013277 10 0.00% 0.00% 0.00% 0 Compute load avgs
> 28 2650472 167864 15789 0.00% 0.01% 0.00% 0 Per-minute Jobs
> 29 245404 2016587 121 0.00% 0.00% 0.00% 0 FR LMI
> 30 876 168081 5 0.00% 0.00% 0.00% 0 FR ARP
> 31 126768 96739155 1 0.00% 0.00% 0.00% 0 FR Broadcast
Outpu
> 32 18559860 1642749 11298 0.00% 0.10% 0.11% 0 OSPF Scanner
> 33 412 435 947 0.40% 0.21% 0.06% 2 Virtual Exec
> 34 28 82 341 0.00% 0.00% 0.00% 0 TCP Listener
> 35 882332 144306 6114 0.00% 0.01% 0.00% 0 IP SNMP
> 36 107008 5348 20008 0.00% 0.00% 0.00% 0 SNMP Traps
> 37 187232 10223299 18 0.00% 0.00% 0.00% 0 NTP
> 38 11898740 168371 70671 0.00% 0.08% 0.06% 0 IP-RT Background
> 39 209914060 77316977 2714 0.16% 0.28% 0.34% 0 OSPF Router
> 40 10842128 33039944 328 0.00% 0.06% 0.06% 0 BGP Router
> 41 4730392 5541373 853 0.00% 0.03% 0.01% 0 BGP I/O
> 42 71123480 344251 206619 0.00% 0.36% 0.49% 0 BGP Scanner
> 43 4 4 1000 0.00% 0.00% 0.00% 4 HTTP Server
> 44 95640 1507112 63 0.00% 0.00% 0.00% 0 Hot standby
> 46 148 3528 41 0.00% 0.00% 0.00% 0 TACACS+
> telehouse16#
>
>
>-- End of excerpt from Alex Bligh
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