216 static void __bts_event_start(struct perf_event *event)  in __bts_event_start()  argument
225 	event->hw.itrace_started = 1;  in __bts_event_start()
226 	event->hw.state = 0;  in __bts_event_start()
230 	if (!event->attr.exclude_kernel)  in __bts_event_start()
232 	if (!event->attr.exclude_user)  in __bts_event_start()
246 static void bts_event_start(struct perf_event *event, int flags)  in bts_event_start()  argument
250 	__bts_event_start(event);  in bts_event_start()
256 static void __bts_event_stop(struct perf_event *event)  in __bts_event_stop()  argument
264 	if (event->hw.state & PERF_HES_STOPPED)  in __bts_event_stop()
267 	ACCESS_ONCE(event->hw.state) |= PERF_HES_STOPPED;  in __bts_event_stop()
270 static void bts_event_stop(struct perf_event *event, int flags)  in bts_event_stop()  argument
277 	__bts_event_stop(event);  in bts_event_stop()
287 	if (bts->handle.event && bts->started)  in intel_bts_enable_local()
288 		__bts_event_start(bts->handle.event);  in intel_bts_enable_local()
295 	if (bts->handle.event)  in intel_bts_disable_local()
296 		__bts_event_stop(bts->handle.event);  in intel_bts_disable_local()
380 	struct perf_event *event = bts->handle.event;  in intel_bts_interrupt()  local
385 	if (!event || !bts->started)  in intel_bts_interrupt()
407 	buf = perf_aux_output_begin(&bts->handle, event);  in intel_bts_interrupt()
418 static void bts_event_del(struct perf_event *event, int mode)  in bts_event_del()  argument
424 	bts_event_stop(event, PERF_EF_UPDATE);  in bts_event_del()
441 static int bts_event_add(struct perf_event *event, int mode)  in bts_event_add()  argument
446 	struct hw_perf_event *hwc = &event->hw;  in bts_event_add()
449 	event->hw.state = PERF_HES_STOPPED;  in bts_event_add()
454 	if (bts->handle.event)  in bts_event_add()
457 	buf = perf_aux_output_begin(&bts->handle, event);  in bts_event_add()
472 		bts_event_start(event, 0);  in bts_event_add()
474 			bts_event_del(event, 0);  in bts_event_add()
482 static void bts_event_destroy(struct perf_event *event)  in bts_event_destroy()  argument
488 static int bts_event_init(struct perf_event *event)  in bts_event_init()  argument
492 	if (event->attr.type != bts_pmu.type)  in bts_event_init()
507 	if (event->attr.exclude_kernel && perf_paranoid_kernel() &&  in bts_event_init()
517 	event->destroy = bts_event_destroy;  in bts_event_init()
522 static void bts_event_read(struct perf_event *event)  in bts_event_read()  argument