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Troubleshooting system management
This section provides troubleshooting information for common system management issues.
High CPU utilization
Symptom
The
display cpu-usage
command shows that the CPU utilization of the device is continuously
higher than 80%.
Troubleshooting flowchart
Figure 18 Troubleshooting high CPU utilization
Solution
To resolve the issue:
1.
Execute the
display cpu-usage
command multiple times to display CPU usage information.
(Details not shown.)
2.
Identify the job with a high CPU utilization.
<Sysname> display process cpu slot 2
CPU utilization in 5 secs: 12.8%; 1 min: 6.2%; 5 mins: 5.9%
JID 5Sec 1Min 5Min Name
1 0.0% 0.0% 0.0% scmd
2 0.0% 0.0% 0.0% [kthreadd]
3 0.0% 0.0% 0.0% [migration/0]
4 0.0% 0.0% 0.0% [ksoftirqd/0]
5 0.0% 0.0% 0.0% [watchdog/0]
Identify the job with a high
CPU utilization
Contact the
support
Display the job’s stack
Obtain diagnostic
information
High CPU
utilization
Summary of Contents for S5850-54QS
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