The CPU Usage Trend Alert rule sends an alert when trend analysis of the percent CPU usage indicates an increase above a user-defined threshold.
The CPU Usage Trend Alert rule includes the following rule-specific settings:
Sampling Frequency — Specify the frequency at which the CPU is checked in seconds. The default is 30.
User Threshold — Specify the percent CPU usage above which an alert is sent. The default is 65.
Number of Samples — Specify the number of samples used to determine a moving average value for CPU usage. The default is 10.
For general steps on how to configure a rule, see Using the Management Rules.