/proc/thread-self/root/sys/devices/system/cpu/hotplug/ Current File: //proc/thread-self/root/sys/devices/system/cpu/hotplug/states
  0: offline
  1: threads:prepare
  2: perf:prepare
  9: x86/mce:dead
 10: virtio/net:dead
 11: slub:dead
 12: mm/writeback:dead
 13: mm/vmstat:dead
 14: softirq:dead
 19: irq_poll:dead
 20: block/softirq:dead
 21: acpi/cpu-drv:dead
 23: block/mq:dead
 24: fs/buffer:dead
 25: printk:dead
 26: mm/memctrl:dead
 27: lib/percpu_cnt:dead
 28: lib/radix:dead
 29: mm/page_alloc:dead
 30: net/dev:dead
 35: padata:dead
 36: random:prepare
 37: workqueue:prepare
 39: hrtimers:prepare
 42: smpcfd:prepare
 43: relay:prepare
 44: slab:prepare
 45: md/raid5:prepare
 46: RCU/tree:prepare
 55: base/topology:prepare
 58: trace/RB:preapre
 59: mm/zsmalloc:prepare
 60: mm/zswap:prepare
 61: mm/zswap_pool:prepare
 64: timers:prepare
 66: kvmclock:setup_percpu
 67: fork:vm_stack_cache
 87: cpu:bringup
 88: idle:dead
 89: ap:offline
 90: sched:starting
 91: RCU/tree:dying
126: kvm/cpu:starting
134: smpcfd:dying
135: hrtimers:dying
138: ap:online
139: cpu:teardown
141: smpboot/threads:online
143: irq/affinity:online
146: perf:online
151: perf/x86/rapl:online
170: lockup_detector:online
171: workqueue:online
172: random:online
173: RCU/tree:online
174: base/cacheinfo:online
175: x86/kvm:online
176: mm/writeback:online
177: mm/vmstat:online
178: mm/compaction:online
179: padata:online
180: mm/vmscan:online
181: lib/percpu_cnt:online
182: acpi/cpu-drv:online
183: leds/trigger:starting
184: x86/mce:online
185: printk:online
186: virtio/net:online
187: x86/msr:online
188: x86/cpuid:online
207: x86/kvm/clk:online
208: sched:active
209: online