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CPU load high with "Calhoun LED Proc"

mishao
Level 1
Level 1

hi,

We have a lot of 2950-G with 25% to 30% cpu load.

I found the "Calhoun LED Proc" with 9 %.

Any one know what the Calhoun LED Proc means ?

attached the show process cpu.

best regards.

fred.

OFCE3-3F-20#show proc cpu

CPU utilization for five seconds: 26%/8%; one minute: 26%; five minutes: 26%

PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process

1 0 1 0 0.00% 0.00% 0.00% 0 Chunk Manager

2 3524 53004 66 0.00% 0.00% 0.00% 0 Load Meter

3 212 87 2436 0.00% 0.00% 0.00% 0 SpanTree Helper

4 82952 26952 3077 0.00% 0.03% 0.00% 0 Check heaps

5 876 1277 685 0.00% 0.00% 0.00% 0 Pool Manager

6 0 2 0 0.00% 0.00% 0.00% 0 Timers

7 52 5 10400 0.00% 0.00% 0.00% 0 Entity MIB API

8 2724 52996 51 0.00% 0.00% 0.00% 0 HC Counter Timer

9 229676 364064 630 0.08% 0.10% 0.08% 0 ARP Input

10 14896 10801 1379 0.00% 0.00% 0.00% 0 Net Input

11 0 1 0 0.00% 0.00% 0.00% 0 Critical Bkgnd

12 83520 272085 306 0.08% 0.02% 0.00% 0 Net Background

13 828 45143 18 0.00% 0.00% 0.00% 0 Logger

14 16300 264313 61 0.00% 0.00% 0.00% 0 TTY Background

15 126512 264325 478 0.08% 0.03% 0.02% 0 Per-Second Jobs

16 41148 53004 776 0.00% 0.00% 0.00% 0 Compute load avg

17 47172 4418 10677 0.00% 0.01% 0.00% 0 Per-minute Jobs

18 0 5 0 0.00% 0.00% 0.00% 0 AggMgr Process

19 0 2 0 0.00% 0.00% 0.00% 0 Calhoun Storm Co

20 30434276 5762835 5281 9.66% 9.75% 9.77% 0 Calhoun LED Proc

21 4159148 518491 8021 1.39% 1.38% 1.39% 0 Calhoun Statisti

PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process

22 731800 1281056 571 0.49% 0.32% 0.31% 0 HMATM Learn proc

23 503968 5183419 97 0.08% 0.12% 0.10% 0 CalhounPM

24 8832548 1280801 6896 0.81% 0.51% 0.48% 0 Link Status Proc

25 0 1 0 0.00% 0.00% 0.00% 0 CalhounInsIpopti

26 51048 42559 1199 0.00% 0.01% 0.00% 0 CDP Protocol

27 18521144 13754519 1346 4.58% 4.58% 4.62% 0 IP Input

28 7824 17816 439 0.00% 0.00% 0.00% 0 DTP Protocol

29 724 26505 27 0.00% 0.00% 0.00% 0 Ethchnl

30 536 921 581 0.00% 0.00% 0.00% 0 VLAN Manager

31 0 2 0 0.00% 0.00% 0.00% 0 PI MATM Aging Pr

32 520 1097 474 0.00% 0.00% 0.00% 0 VMATM Callback

33 825976 446341 1850 0.08% 0.14% 0.13% 0 Spanning Tree

34 21548 265082 81 0.00% 0.00% 0.00% 0 UDLD

35 132 4419 29 0.00% 0.00% 0.00% 0 Port-Security

36 508 170 2988 0.00% 0.22% 0.10% 1 Virtual Exec

37 0 1 0 0.00% 0.00% 0.00% 0 HTTP Timer

38 0 1 0 0.00% 0.00% 0.00% 0 RARP Input

39 1384 9959 138 0.00% 0.01% 0.00% 0 TCP Timer

40 96 51 1882 0.00% 0.00% 0.00% 0 TCP Protocols

41 0 1 0 0.00% 0.00% 0.00% 0 Socket Timers

42 584 991 589 0.00% 0.00% 0.00% 0 L2MM

43 52152 152687 341 0.08% 0.02% 0.00% 0 MRD

PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process

44 46424 59533 779 0.00% 0.00% 0.00% 0 IGMPSN

45 738240 152145 4852 0.00% 0.04% 0.05% 0 IGMP Snooping Pr

46 58188 62566 930 0.00% 0.00% 0.00% 0 IGMP Snooping Re

47 141016 163007 865 0.00% 0.04% 0.03% 0 IP Multicast Dat

48 8 2 4000 0.00% 0.00% 0.00% 0 L2TRACE SERVER

49 156 3316 47 0.00% 0.00% 0.00% 0 Cluster L2

50 1104 26504 41 0.00% 0.00% 0.00% 0 Cluster RARP

51 3064 34765 88 0.00% 0.00% 0.00% 0 Cluster Base

54 0 3 0 0.00% 0.00% 0.00% 0 Router Autoconf

55 176 42 4190 0.00% 0.00% 0.00% 0 Syslog Traps

56 0 2 0 0.00% 0.00% 0.00% 0 VTPMIB EDIT BUFF

57 74484 1476622 50 0.08% 0.03% 0.00% 0 PM Callback

58 16 12 1333 0.00% 0.00% 0.00% 0 VTP Trap Process

59 0 1 0 0.00% 0.00% 0.00% 0 l2vlanifmib

61 9048 264329 34 0.00% 0.00% 0.00% 0 Calhoun EnvMon P

62 0 2 0 0.00% 0.00% 0.00% 0 STP STACK TOPOLO

63 0 2 0 0.00% 0.00% 0.00% 0 STP FAST TRANSIT

64 0 2 0 0.00% 0.00% 0.00% 0 STP STACK TOPOLO

65 0 2 0 0.00% 0.00% 0.00% 0 CSRT RAPID TRANS

67 0 3 0 0.00% 0.00% 0.00% 0 SNMP Timers

68 4780 6247 765 0.00% 0.00% 0.00% 0 IP SNMP

69 2056 3048 674 0.00% 0.00% 0.00% 0 PDU DISPATCHER

PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process

70 8916 2991 2980 0.08% 0.00% 0.00% 0 SNMP ENGINE

71 0 1 0 0.00% 0.00% 0.00% 0 SNMP ConfCopyPro

72 252 88 2863 0.00% 0.00% 0.00% 0 SNMP Traps

73 13920 268254 51 0.00% 0.00% 0.00% 0 NTP

OFCE3-3F-20#

OFCE3-3F-20#

1 Reply 1

3ssheedy
Level 1
Level 1

I have the exact same issue and was also wondering the same thing. Only see it on the G switch and not on out C switches.

Found this on cisco website: They have a baseline that shows same 30% cpu utilization on the G switch even though the C switches that we have run at 4%

_______

The common observation is that the CPU utilization output for the show processes cpu command on the 2900XL/3500XL switch shows a fairly high value when the switch is idle and has no active ports. When viewing the output of the show processes cpu command, the highest percentage processes are Port Status Process and Led Control Process. It is normal behavior for these processes to be a high percentage of the total CPU utilization.

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As clear as mud really !

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