cpuctl
CPUCTL(8) System Manager's Manual CPUCTL(8)
NAME
cpuctl – program to control CPUs
SYNOPSIS
cpuctl command [arguments]
DESCRIPTION
The cpuctl command can be used to control and inspect the state of CPUs in
the system.
The first argument, command, specifies the action to take. Valid commands
are:
list For each CPU in the system, display the current state and time of
the last state change.
offline cpu [cpu ...]
Set the specified CPUs off line.
At least one CPU in the system must remain on line.
online cpu [cpu ...]
Set the specified CPUs on line.
EXAMPLES
Run
cpuctl offline 2
and then
cpuctl list
The output should reflect the fact that CPU#2 was taken offline.
Darwin March 18, 2019 Darwin