11  * wakeups from idle states.  Moreover, information about what happened in the
15  * which of the shallower idle states to choose.
98  * @states: Idle states data corresponding to this CPU.
105 	struct teo_idle_state states[CPUIDLE_STATE_MAX];  member
131 		u64 lat_ns = drv->states[dev->last_state_idx].exit_latency_ns;  in teo_update()
154 	 * Decay the "early hits" metric for all of the states and find the  in teo_update()
155 	 * states matching the sleep length and the measured idle duration.  in teo_update()
158 		unsigned int early_hits = cpu_data->states[i].early_hits;  in teo_update()
160 		cpu_data->states[i].early_hits -= early_hits >> DECAY_SHIFT;  in teo_update()
162 		if (drv->states[i].target_residency_ns <= cpu_data->sleep_length_ns) {  in teo_update()
164 			if (drv->states[i].target_residency_ns <= measured_ns)  in teo_update()
178 		unsigned int hits = cpu_data->states[idx_timer].hits;  in teo_update()
179 		unsigned int misses = cpu_data->states[idx_timer].misses;  in teo_update()
187 				cpu_data->states[idx_hit].early_hits += PULSE;  in teo_update()
192 		cpu_data->states[idx_timer].misses = misses;  in teo_update()
193 		cpu_data->states[idx_timer].hits = hits;  in teo_update()
228 		if (drv->states[i].target_residency_ns <= duration_ns)  in teo_find_shallower_state()
269 		struct cpuidle_state *s = &drv->states[i];  in teo_select()
273 			 * Ignore disabled states with target residencies beyond  in teo_select()
287 			hits = cpu_data->states[i].hits;  in teo_select()
288 			misses = cpu_data->states[i].misses;  in teo_select()
290 			if (early_hits >= cpu_data->states[i].early_hits ||  in teo_select()
302 				early_hits = cpu_data->states[i].early_hits;  in teo_select()
314 			if (teo_time_ok(drv->states[idx].target_residency_ns)) {  in teo_select()
316 				early_hits = cpu_data->states[i].early_hits;  in teo_select()
325 			hits = cpu_data->states[i].hits;  in teo_select()
326 			misses = cpu_data->states[i].misses;  in teo_select()
336 		hits = cpu_data->states[i].hits;  in teo_select()
337 		misses = cpu_data->states[i].misses;  in teo_select()
339 		if (early_hits < cpu_data->states[i].early_hits &&  in teo_select()
340 		    teo_time_ok(drv->states[i].target_residency_ns)) {  in teo_select()
342 			early_hits = cpu_data->states[i].early_hits;  in teo_select()
350 	 * it is more likely that one of the shallower states will match the  in teo_select()
359 		 * shallower states.  in teo_select()
366 			duration_ns = drv->states[idx].target_residency_ns;  in teo_select()
378 		idx = 0; /* No states enabled. Must use 0. */  in teo_select()
410 				if (drv->states[idx].target_residency_ns > avg_ns)  in teo_select()
421 	if (((drv->states[idx].flags & CPUIDLE_FLAG_POLLING) ||  in teo_select()
431 		if (idx > 0 && drv->states[idx].target_residency_ns > delta_tick)  in teo_select()