File: //proc/thread-self/root/sys/devices/system/cpu/hotplug/states
0: offline
1: threads:prepare
7: x86/mce:dead
8: virtio/net:dead
10: slub:dead
12: mm/writeback:dead
13: mm/vmstat:dead
14: softirq:dead
19: irq_poll:dead
20: block/softirq:dead
21: block/bio:dead
22: acpi/cpu-drv:dead
24: block/mq:dead
25: fs/buffer:dead
26: printk:dead
27: mm/memctrl:dead
28: lib/percpu_cnt:dead
29: lib/radix:dead
30: mm/page_alloc:pcp
31: net/dev:dead
32: iommu/iova:dead
34: padata:dead
36: random:prepare
37: workqueue:prepare
39: hrtimers:prepare
41: smpcfd:prepare
42: relay:prepare
44: RCU/tree:prepare
52: base/topology:prepare
55: trace/RB:prepare
59: timers:prepare
60: tmigr:prepare
62: kvmclock:setup_percpu
63: fork:vm_stack_cache
64: crash/cpuhp
83: cpu:kick_ap
84: cpu:bringup
85: idle:dead
86: ap:offline
87: x86/cachectrl:starting
88: sched:starting
89: RCU/tree:dying
139: smpcfd:dying
140: hrtimers:dying
141: tick:dying
144: ap:online
145: cpu:teardown
149: sched:waitempty
150: smpboot/threads:online
151: irq/affinity:online
152: block/mq:online
155: perf:online
186: tmigr:online
187: lockup_detector:online
188: workqueue:online
189: random:online
190: RCU/tree:online
191: kthreads:online
192: base/cacheinfo:online
193: x86/kvm:online
194: mm/writeback:online
195: mm/vmstat:online
196: padata:online
197: io-wq/online
198: topology/cpu-capacity
199: lib/percpu_cnt:online
200: leds/trigger:starting
201: acpi/cpu-drv:online
202: virtio/net:online
203: x86/mce:online
204: printk:online
205: trace/hwlat:online
206: trace/osnoise:online
207: platform/x86/turbo_max_3:online
208: x86/msr:online
209: x86/cpuid:online
236: sched:active
237: online