How to use the CPU Monitor tools to view real-time CPU utilization?
03/30/2023 82 People found this article helpful 400,931 Views
Description
This article demonstrates how to check the CPU usage on the firewall. The purpose of this article is to guide the user where to view the CPU usage on the firewall GUI. There are multiple sections from where we can view the CPU utilization and is demonstrated further.
Resolution
Resolution for SonicOS 7.X
This release includes significant user interface changes and many new features that are different from the SonicOS 6.5 and earlier firmware. The below resolution is for customers using SonicOS 7.X firmware.
- Navigate to HOME and under SYSTEM STATUS, Management Plane(Core 0) and Data Plane(Remaining Cores-Average) usage can be viewed under SYSTEM STATUS
- Click on MONITOR, Real-Time Charts> System Monitor, under MULTI-CORE MONITOR all the individual plane/core usage together can be viewed when clicked on Bar Chart icon
3. Select Stacked Chart icon to view the real-time CPU utilization by selecting individual cores that shows the usage data in intervals ranging from 60 seconds to 10 mins
Resolution for SonicOS 6.5
This release includes significant user interface changes and many new features that are different from the SonicOS 6.2 and earlier firmware. The below resolution is for customers using SonicOS 6.5 firmware.
- Navigate to MONITOR, Under Live Monitor| Multi-Core Monitor select either of the bar or stacked charts to view the CPU utilization of all the cores together or view individual usage respectively
2. Click INVESTIGATE> System Diagnostics, Under Diagnostics Tools select Multi-Core Monitor to view the CPU utilization of all the cores
3. Similarly, select Core Monitor under the diagnostic tool which shows real-time CPU utilization in second, minute, hour, and day intervals (historical data does not persist across reboots). Here, we can view the individual core usage
NOTE: High CPU utilization is normal during Web-management page rendering, and while saving preferences to flash. Utilization by these tasks is an indication that available resources are being efficiently used rather than sitting idle. Traffic handling and other critical, performance-oriented and system tasks are always prioritized by the scheduler, and never experience starvation.
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