The CPU Usage window shows CPU usage, on a percentage basis, in a table and chart format.
From the SBC main screen, go to Monitoring > Dashboard > CPU > CPU Usage, or Monitoring > System > Category: Hardware Status > CPU Usage.
The CPU Usage window displays.
The following parameters display:
The same parameters are displayed in a chart format.
The CPU usage data is updated every five seconds.
For applications using Linux kernel version 3.16 or higher (for example, SBC v06.02.00 and higher), the output of the top
command displays wrong, and sometimes unrealistic, values about CPU utilization. This is a known issue with all 3.16 and higher kernels (refer to this CentOS page for more information).
Likewise, the information and graphs displayed in this EMA window may display wrong values of CPU utilization.
You can use top -H
or mpstat
commands to check the memory and CPU utilization.
The SBC SWe Virtual and Cloud platforms adds the Average CPU Usage Table and the Average CPU Usage Chart in addition to the Individual CPU Usage table and chart.
Web UI Path: Monitoring > Dashboard > CPU > CPU Usage, or Monitoring > System > Category: Hardware Status > CPU Usage.
The layout of CPU Usage screen displays the table and chart in the following sequence:
The average CPU Usage table and average CPU Usage chart refreshes every 5 seconds.
The CPU Usage screen enhancements are applicable only to the SBC SWe Software-based Platforms (Virtual and Cloud).
The CPU usage data is updated every five seconds.