CPU Usage
Monitors the CPU usage on servers and workstations.
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Overview
This monitor captures one or more samples of CPU usage and alerts if the average or maximum values exceed specified thresholds. It focuses on specific processes to alert if they are consuming too much CPU or memory. Each notification includes a list of the top processes by CPU usage.
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Use Cases
- Overall and Per-core CPU Usage: Monitoring the efficiency and load on individual cores as well as the overall system.
- Top Processes: Keeping an eye on processes that consume significant CPU resources.
Monitoring Options
Sampling and Alerts
| Setting | Description |
|---|---|
| Sampling Frequency | Sample the CPU usage [#] times to gather data. |
| Sampling Interval | Time between samples: [#] seconds. |
| Device Contact | Alert with [Info/Warning/Error/Critical] if the event monitor cannot contact the device. |
CPU Usage Alerts
| Alert Type | Criteria |
|---|---|
| Average CPU Usage | Alert if the average CPU usage is greater than a specified percentage. |
| Maximum CPU Usage | Alert if the maximum CPU usage is greater than a specified percentage. |
| Average Core Usage | Alert if the average CPU usage on an individual core is greater than a specified percentage. |
| Maximum Core Usage | Alert if the maximum CPU usage on an individual core is greater than a specified percentage. |
Notification Content
- Top Processes: Include a list of the top 10 processes in every notification.
Data Retrieval Method
- WMI: Use this option to retrieve CPU usage with WMI.
- PDH: The event monitor uses PDH by default.
Authentication and Security
- PDH: The account used for authentication must be a member of the Performance Monitor Users group or have admin rights.
- WMI: The account used for authentication must be a member of both the Performance Monitor Users and the Distributed COM Users groups, or have admin rights.
Protocols
This event monitor can be configured to use one of two protocol options:
Data Points
This event monitor generates various data points, including:
| Data Point | Description |
|---|---|
| Average CPU Usage | The average CPU used during sampling period. |
| Maximum CPU Usage | The maximum CPU used during sampling period. |
Sample Output (to be detailed further as needed)
