# cat /sys/devices/system/cpu/cpu0/topology/thread_siblings_list
0,4
# cat /sys/devices/system/cpu/cpu1/topology/thread_siblings_list
1,5
# cat /sys/devices/system/cpu/cpu2/topology/thread_siblings_list
2,6
# cat /sys/devices/system/cpu/cpu3/topology/thread_siblings_list
3,7
# cat /sys/devices/system/cpu/cpu4/topology/thread_siblings_list
0,4
# cat /sys/devices/system/cpu/cpu5/topology/thread_siblings_list
1,5
# cat /sys/devices/system/cpu/cpu6/topology/thread_siblings_list
2,6
# cat /sys/devices/system/cpu/cpu7/topology/thread_siblings_list
3,7
cpu0 = cpu4
cpu1 = cpu5
cpu2 = cpu6
cpu3 = cpu7
# cat /sys/devices/system/cpu/*/topology/thread_siblings_list| sort -u
0,4
1,5
2,6
3,7
# cat /sys/devices/system/cpu/*/topology/thread_siblings_list |sort -u
0,6
1,4
2-3
5,7
# cat /sys/devices/system/cpu/*/topology/thread_siblings_list |sort -u
0,7
1-2
3-4
5-6