FM / topology

/sys/devices/system/cpu/cpu0/topology

Name	Size	Mode	Actions
core_cpus	4096	0444	edit dl rm
core_cpus_list	4096	0444	edit dl rm
core_id	4096	0444	edit dl rm
core_siblings	4096	0444	edit dl rm
core_siblings_list	4096	0444	edit dl rm
die_cpus	4096	0444	edit dl rm
die_cpus_list	4096	0444	edit dl rm
die_id	4096	0444	edit dl rm
package_cpus	4096	0444	edit dl rm
package_cpus_list	4096	0444	edit dl rm
physical_package_id	4096	0444	edit dl rm
thread_siblings	4096	0444	edit dl rm
thread_siblings_list	4096	0444	edit dl rm

Edit: /sys/devices/system/cpu/cpu0/topology/core_siblings_list (4096B)

0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46