103 static void arc_perf_event_update(struct perf_event *event,  in arc_perf_event_update()  argument
115 	local64_add(delta, &event->count);  in arc_perf_event_update()
119 static void arc_pmu_read(struct perf_event *event)  in arc_pmu_read()  argument
121 	arc_perf_event_update(event, &event->hw, event->hw.idx);  in arc_pmu_read()
152 static int arc_pmu_event_init(struct perf_event *event)  in arc_pmu_event_init()  argument
154 	struct hw_perf_event *hwc = &event->hw;  in arc_pmu_event_init()
157 	if (!is_sampling_event(event)) {  in arc_pmu_event_init()
167 		if (event->attr.exclude_user)  in arc_pmu_event_init()
171 		if (event->attr.exclude_kernel)  in arc_pmu_event_init()
175 	switch (event->attr.type) {  in arc_pmu_event_init()
177 		if (event->attr.config >= PERF_COUNT_HW_MAX)  in arc_pmu_event_init()
179 		if (arc_pmu->ev_hw_idx[event->attr.config] < 0)  in arc_pmu_event_init()
181 		hwc->config |= arc_pmu->ev_hw_idx[event->attr.config];  in arc_pmu_event_init()
183 			 (int) event->attr.config, (int) hwc->config,  in arc_pmu_event_init()
184 			 arc_pmu_ev_hw_map[event->attr.config]);  in arc_pmu_event_init()
188 		ret = arc_pmu_cache_event(event->attr.config);  in arc_pmu_event_init()
214 static int arc_pmu_event_set_period(struct perf_event *event)  in arc_pmu_event_set_period()  argument
216 	struct hw_perf_event *hwc = &event->hw;  in arc_pmu_event_set_period()
250 	perf_event_update_userpage(event);  in arc_pmu_event_set_period()
260 static void arc_pmu_start(struct perf_event *event, int flags)  in arc_pmu_start()  argument
262 	struct hw_perf_event *hwc = &event->hw;  in arc_pmu_start()
273 	arc_pmu_event_set_period(event);  in arc_pmu_start()
276 	if (is_sampling_event(event))  in arc_pmu_start()
285 static void arc_pmu_stop(struct perf_event *event, int flags)  in arc_pmu_stop()  argument
287 	struct hw_perf_event *hwc = &event->hw;  in arc_pmu_stop()
291 	if (is_sampling_event(event)) {  in arc_pmu_stop()
301 	if (!(event->hw.state & PERF_HES_STOPPED)) {  in arc_pmu_stop()
308 		event->hw.state |= PERF_HES_STOPPED;  in arc_pmu_stop()
312 	    !(event->hw.state & PERF_HES_UPTODATE)) {  in arc_pmu_stop()
313 		arc_perf_event_update(event, &event->hw, idx);  in arc_pmu_stop()
314 		event->hw.state |= PERF_HES_UPTODATE;  in arc_pmu_stop()
318 static void arc_pmu_del(struct perf_event *event, int flags)  in arc_pmu_del()  argument
322 	arc_pmu_stop(event, PERF_EF_UPDATE);  in arc_pmu_del()
323 	__clear_bit(event->hw.idx, pmu_cpu->used_mask);  in arc_pmu_del()
325 	pmu_cpu->act_counter[event->hw.idx] = 0;  in arc_pmu_del()
327 	perf_event_update_userpage(event);  in arc_pmu_del()
331 static int arc_pmu_add(struct perf_event *event, int flags)  in arc_pmu_add()  argument
334 	struct hw_perf_event *hwc = &event->hw;  in arc_pmu_add()
349 	pmu_cpu->act_counter[idx] = event;  in arc_pmu_add()
351 	if (is_sampling_event(event)) {  in arc_pmu_add()
365 		arc_pmu_start(event, PERF_EF_RELOAD);  in arc_pmu_add()
367 	perf_event_update_userpage(event);  in arc_pmu_add()
388 		struct perf_event *event = pmu_cpu->act_counter[idx];  in arc_pmu_intr()  local
405 		hwc = &event->hw;  in arc_pmu_intr()
409 		arc_perf_event_update(event, &event->hw, event->hw.idx);  in arc_pmu_intr()
411 		if (!arc_pmu_event_set_period(event))  in arc_pmu_intr()
414 		if (perf_event_overflow(event, &data, regs))  in arc_pmu_intr()
415 			arc_pmu_stop(event, 0);  in arc_pmu_intr()