perf_event_output_backward 1013 include/linux/perf_event.h extern void perf_event_output_backward(struct perf_event *event, perf_event_output_backward 1025 include/linux/perf_event.h if (unlikely(event->overflow_handler == perf_event_output_backward)) perf_event_output_backward 10518 kernel/events/core.c event->overflow_handler = perf_event_output_backward;