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Troubleshooting system management
This section provides troubleshooting information for common system management problems.
High CPU usage on a module
Symptom
The sustained CPU usage is over 80% on a module.
Troubleshooting flowchart
Figure 8 Troubleshooting high CPU usage
Solution
To resolve the issue:
1.
Identify the job that has a high CPU usage. For example:
[H3C-probe] display process cpu slot 1
CPU utilization in 5 secs: 2.4%; 1 min: 2.5%; 5 mins: 2.4%
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]
6 0.0% 0.0% 0.0% [migration/1]
7 0.0% 0.0% 0.0% [ksoftirqd/1]
8 0.0% 0.0% 0.0% [watchdog/1]
9 0.0% 0.0% 0.0% [migration/2]
10 0.0% 0.0% 0.0% [ksoftirqd/2]
11 0.0% 0.0% 0.0% [watchdog/2]
Identify the job that has a
high CPU usage
Display the job’s stack
High CPU usage
Contact the support
