How do you check CPU utilization of individual cores?
How to Check CPU Utilization in Linux with Command Line
- top Command to View Linux CPU Load.
- mpstat Command to Display CPU Activity.
- sar Command to Show CPU Utilization.
- iostat Command for Average Usage.
How many CPU cores are used by a process Linux server?
You can use one of the following command to find the number of physical CPU cores including all cores on Linux:
- lscpu command.
- cat /proc/cpuinfo.
- top or htop command.
- nproc command.
- dmidecode -t processor command.
- getconf _NPROCESSORS_ONLN command.
How do I see CPU usage on Linux?
How to Check Linux CPU Usage or Utilization
- Check CPU Usage with Top Command. Top is a very useful command-line tool that helps you to monitor all running processes in real-time.
- Check CPU Usage with Mpstat Command.
- Check CPU Usage with Sar Command.
- Check CPU Usage with Iostat Command.
- Check CPU Usage with vmstat Command.
How does Linux calculate CPU usage per process?
CPU Utilization is calculated using the ‘top’ command.
- CPU Utilization = 100 – idle time.
- CPU Utilization = ( 100 – 93.1 ) = 6.9%
- CPU Utilization = 100 – idle_time – steal_time.