Today playing with a VM machine i tried to hotplug a CPU in linux . Awesome feature handy when troubleshooting cpu load or process cpu scheduling .
First List the cpu Status
# grep "processor" /proc/cpuinfo
To disable cpu1 do the following
# echo 0 > /sys/devices/system/cpu/cpu1/online
To enable cpu1 do the following
# echo 1 > /sys/devices/system/cpu/cpu1/online
Wednesday, November 24, 2010
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment