Symbol: perf_event_output_backward
include/linux/perf_event.h
1506
extern void perf_event_output_backward(struct perf_event *event,
include/linux/perf_event.h
1520
if (unlikely(overflow_handler == perf_event_output_backward))
kernel/events/core.c
13371
event->overflow_handler = perf_event_output_backward;