4244 				 struct perf_event *output_event);
4283 			struct perf_event *output_event;  in _perf_ioctl()  local
4288 			output_event = output.file->private_data;  in _perf_ioctl()
4289 			ret = perf_event_set_output(event, output_event);  in _perf_ioctl()
8126 perf_event_set_output(struct perf_event *event, struct perf_event *output_event)  in perf_event_set_output()  argument
8131 	if (!output_event)  in perf_event_set_output()
8135 	if (event == output_event)  in perf_event_set_output()
8141 	if (output_event->cpu != event->cpu)  in perf_event_set_output()
8147 	if (output_event->cpu == -1 && output_event->ctx != event->ctx)  in perf_event_set_output()
8153 	if (output_event->clock != event->clock)  in perf_event_set_output()
8159 	if (has_aux(event) && has_aux(output_event) &&  in perf_event_set_output()
8160 	    event->pmu != output_event->pmu)  in perf_event_set_output()
8169 	if (output_event) {  in perf_event_set_output()
8171 		rb = ring_buffer_get(output_event);  in perf_event_set_output()
8244 	struct perf_event *group_leader = NULL, *output_event = NULL;  in SYSCALL_DEFINE5()  local
8301 			output_event = group_leader;  in SYSCALL_DEFINE5()
8454 	if (output_event) {  in SYSCALL_DEFINE5()
8455 		err = perf_event_set_output(event, output_event);  in SYSCALL_DEFINE5()