CPUHP_AP_PERF_X86_CSTATE_ONLINE 683 arch/x86/events/intel/cstate.c cpuhp_remove_state_nocalls(CPUHP_AP_PERF_X86_CSTATE_ONLINE); CPUHP_AP_PERF_X86_CSTATE_ONLINE 699 arch/x86/events/intel/cstate.c cpuhp_setup_state(CPUHP_AP_PERF_X86_CSTATE_ONLINE,