text: 
  \n
  extern struct perf_guest_switch_msr *perf_guest_get_msrs(int *nr)
  ; extern void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap)
  ; extern void perf_check_microcode(void)
  ; extern int x86_perf_rdpmc_index(struct perf_event *event)
  ; static inline struct perf_guest_switch_msr *perf_guest_get_msrs(int *nr)
  static inline void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap)
  \n
        2 struct x86_pmu_capability *cap
        2 int *nr
        1 void
        1 struct perf_event *event
  