Bug ID 612086: Virtual server CPU stats can be above 100%

Last Modified: Oct 17, 2023

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:
13.1.0

Opened: Aug 22, 2016

Severity: 3-Major

Related Article: K32857340

Symptoms

The CPU usage is reported as above 100%.

Impact

The reported CPU usage values are invalid and do not properly report the actual CPU usage. The invalid values will be visible in results from tmsh commands, SNMP OID messages, and also in the GUI.

Conditions

It is not known exactly what triggers this.

Workaround

Use top to see the actual CPU usage, or tmctl to examine the stats for the individual CPUs.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips