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Cisco AS5350 and Cisco AS5400 Universal Gateway Software Configuration Guide
OL-3418-02 B0
Chapter 2
Verifying Basic Setup
Inspecting CPU Utilization
The sum of the used and free memory equals the total memory. Most of the show memory summary
command output has been removed for brevity.
Note
Do not enter the show memory summary command with the terminal length 0 command enabled. If
you do, many screens of output might interrupt your session.
Note
To learn more about management information bases (MIBs), see the online references at
http://www.cisco.com/univercd/cc/td/doc/product/software/
.
Select your Cisco IOS release and search under new feature documentation.
Inspecting CPU Utilization
Enter the show process cpu command and then the show process cpu history command to investigate
high CPU utilization. High utilization causes network performance problems. For example, knowing
when the router is running at over 50% utilization is critical. The router might start dropping packets if
an unexpected traffic burst comes through or if Open Shortest Path First (OSPF) is recalculated. Fast
switching can also be used to reduce CPU utilization.
Router# show process cpu
CPU utilization for five seconds: 0%/0%; one minute: 1%; five minutes: 1%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
1 0 20232 0 0.00% 0.00% 0.00% 0 Load Meter
2 0 12 0 0.00% 0.00% 0.00% 0 EST msg processing
3 305688 23808 12839 0.00% 0.39% 0.29% 0 Check heaps
4 0 1 0 0.00% 0.00% 0.00% 0 Chunk Manager
5 4 10 400 0.00% 0.00% 0.00% 0 Pool Manager
6 0 2 0 0.00% 0.00% 0.00% 0 Timers
7 112 20205 5 0.00% 0.00% 0.00% 0 ALARM_TRIGGER_SC
8 0 2 0 0.00% 0.00% 0.00% 0 Serial Background
9 0 1 0 0.00% 0.00% 0.00% 0 RM PROCESS
10 0 1 0 0.00% 0.00% 0.00% 0 RM PROCESS
11 0 1 0 0.00% 0.00% 0.00% 0 RM PROCESS
12 0 1 0 0.00% 0.00% 0.00% 0 RM PROCESS
13 0 2 0 0.00% 0.00% 0.00% 0 CAS Process
14 220 2803 78 0.00% 0.00% 0.00% 0 ARP Input
15 0 5058 0 0.00% 0.00% 0.00% 0 HC Counter Timer
16 0 2 0 0.00% 0.00% 0.00% 0 DDR Timers
17 0 2 0 0.00% 0.00% 0.00% 0 Dialer event
18 4 2 2000 0.00% 0.00% 0.00% 0 Entity MIB API
19 0 1 0 0.00% 0.00% 0.00% 0 SERIAL A'detect
20 0 1 0 0.00% 0.00% 0.00% 0 Critical Background
21 72 13826 5 0.00% 0.00% 0.00% 0 Net Background
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
43 0 3 0 0.00% 0.00% 0.00% 0 AAA Accounting
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