  0: offline
  1: threads:prepare
  2: perf:prepare
 12: VIRT_NET_DEAD
 14: mm/writeback:dead
 15: softirq:dead
 20: irq_poll:dead
 21: block/softirq:dead
 23: acpi/cpu-drv:dead
 25: block/mq:dead
 26: workqueue:prepare
 28: hrtimers:prepare
 31: smpcfd:prepare
 32: relay:prepare
 33: slab:prepare
 35: RCU/tree:prepare
 41: notify:prepare
 44: block/mq:prepare
 45: timers:dead
 48: cpu:bringup
 49: idle:dead
 50: ap:offline
 51: sched:starting
 52: RCU/tree:dying
 96: ap:online
 97: cpu:teardown
 99: smpboot/threads:online
100: AP_X86_VDSO_VMA_ONLINE
101: perf:online
114: workqueue:online
115: RCU/tree:online
116: notify:online
117: x86/kvm:online
118: mm/writeback:online
119: padata:online
120: SLAB online
121: acpi/cpu-drv:online
122: AP_LEDTRIG_STARTING
123: x86/microcode:online
124: AP_VIRT_NET_ONLINE
150: sched:active
151: online
