perf_perm 283 include/linux/trace_events.h int (*perf_perm)(struct trace_event_call *, perf_perm 421 include/linux/trace_events.h event_##name.perf_perm = &perf_perm_##name; \ perf_perm 29 kernel/trace/trace_event_perf.c if (tp_event->perf_perm) { perf_perm 30 kernel/trace/trace_event_perf.c int ret = tp_event->perf_perm(tp_event, p_event);