Hi,
In T30, i can see only CPU0 is on line, other CPU’s are off line.
If i am trying to write “1” to cpu1, getting message “Switched to NOHz mode on CPU #1” and CPU1 is still off line(means on line value is “0”)
So how to make all CPU’s on line once the Linux is booted?
logs:
root@apalis-t30:~# cat /sys/devices/system/cpu/cpu0/online
1
root@apalis-t30:~# cat /sys/devices/system/cpu/cpu1/online
0
root@apalis-t30:~# cat /sys/devices/system/cpu/cpu2/online
0
root@apalis-t30:~# cat /sys/devices/system/cpu/cpu3/online
0
root@apalis-t30:~#
root@apalis-t30:~# echo 1 > /sys/devices/system/cpu/cpu1/online
root@apalis-t30:~# cat /sys/devices/system/cpu/cpu1/online
0
root@apalis-t30:~# dmesg | tail
[ 13.096190] android_usb gadget: using random self ethernet address
[ 13.103788] android_usb gadget: using random host ethernet address
[ 15.041787] ADDRCONF(NETDEV_UP): enp1s0: link is not ready
[ 15.047274] 8021q: adding VLAN 0 to HW filter on device enp1s0
[ 15.091743] rndis0: MAC ea:b6:dc:d6:db:00
[ 15.120898] rndis0: HOST MAC ee:dc:60:56:d4:bb
[ 15.153362] ADDRCONF(NETDEV_UP): rndis0: link is not ready
[ 15.179807] Switched to NOHz mode on CPU #1