Overview
CPU Information
- I’ve Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz processor, Which has 8 cores.
[mitesh@Matrix ~]$ cat /proc/cpuinfo | grep processor
processor : 0
processor : 1
processor : 2
processor : 3
processor : 4
processor : 5
processor : 6
processor : 7Check Online Cores
[mitesh@Matrix ~]$ cat /sys/devices/system/cpu/online
0-7NOTE!: All cores from 0 to 7 are online.
Disable core 6 and core 7
[mitesh@Matrix ~]$ sudo sh -c "echo 0 > /sys/devices/system/cpu/cpu6/online"
[mitesh@Matrix ~]$ sudo sh -c "echo 0 > /sys/devices/system/cpu/cpu7/online"NOTE!: You can check cpu cores using htop command or cat /sys/devices/system/cpu/online