PERF_FLAG_FD_OUTPUT  351 kernel/events/core.c 		       PERF_FLAG_FD_OUTPUT  |\
PERF_FLAG_FD_OUTPUT 10976 kernel/events/core.c 		if (flags & PERF_FLAG_FD_OUTPUT)
PERF_FLAG_FD_OUTPUT    6 tools/perf/trace/beauty/perf_event_open.c #ifndef PERF_FLAG_FD_OUTPUT