mpstat
reports processor-related statistics including CPU utilization
TLDR
Display CPU statistics every 2 seconds
$ mpstat 2
Display 5 reports at 2-second intervals$ mpstat 2 5
Display statistics for specific processor$ mpstat -P 0 2 5
Display statistics for all processors$ mpstat -P ALL 2
Display with interrupts per processor$ mpstat -I ALL 2
SYNOPSIS
mpstat [options] [interval [count]]
DESCRIPTION
mpstat reports processor-related statistics including CPU utilization, interrupts, and other per-processor metrics. It can display statistics for individual processors or aggregated across all.
PARAMETERS
-A
Equivalent to -n -u -I ALL -P ALL-I {SUM|CPU|SCPU|ALL}
Report interrupt statistics-n
Report NUMA node placement statistics-o JSON
Output in JSON format-P {processor|ALL}
Indicate processor number or ALL-u
Report CPU utilization (default)-V
Print version number
OUTPUT FIELDS
%usr: User level (applications)%nice: User level with nice priority%sys: System level (kernel)%iowait: Waiting for I/O%irq: Hardware interrupts%soft: Software interrupts%steal: Stolen by hypervisor%guest: Running virtual processor%gnice: Running niced guest%idle: Idle time
INSTALL
sudo apt install sysstat
sudo dnf install sysstat
sudo pacman -S sysstat
sudo apk add sysstat
sudo zypper install sysstat
brew install sysstat
nix profile install nixpkgs#sysstat
CAVEATS
The first report shows statistics since boot. Processor numbering starts at 0. On virtual machines, %steal indicates CPU time taken by the hypervisor.
HISTORY
mpstat is part of the sysstat package, providing multiprocessor statistics for SMP systems.