224 static void sugov_get_util(struct sugov_cpu *sg_cpu, unsigned long boost)  in sugov_get_util()  argument
231 	util = max(util, boost);  in sugov_get_util()
237  * sugov_iowait_reset() - Reset the IO boost status of a CPU.
238  * @sg_cpu: the sugov data for the CPU to boost
240  * @set_iowait_boost: true if an IO boost has been requested
242  * The IO wait boost of a task is disabled after a tick since the last update
243  * of a CPU. If a new IO wait boost is requested after more then a tick, then
244  * we enable the boost starting from IOWAIT_BOOST_MIN, which improves energy
252 	/* Reset boost only if a tick has elapsed since last request */  in sugov_iowait_reset()
263  * sugov_iowait_boost() - Updates the IO boost status of a CPU.
264  * @sg_cpu: the sugov data for the CPU to boost
273  * To keep doubling, an IO boost has to be requested at least once per tick,
281 	/* Reset boost if the CPU appears to have been idle enough */  in sugov_iowait_boost()
286 	/* Boost only tasks waking up after IO */  in sugov_iowait_boost()
290 	/* Ensure boost doubles only one time at each request */  in sugov_iowait_boost()
295 	/* Double the boost at each request */  in sugov_iowait_boost()
302 	/* First wakeup after IO: start with minimum boost */  in sugov_iowait_boost()
307  * sugov_iowait_apply() - Apply the IO boost to a CPU.
308  * @sg_cpu: the sugov data for the cpu to boost
314  * The IO boost value is increased each time a task wakes up from IO, in
319  * its IO boost utilization reset.
321  * This mechanism is designed to boost high frequently IO waiting tasks, while
327 	/* No boost currently required */  in sugov_iowait_apply()
331 	/* Reset boost if the CPU appears to have been idle enough */  in sugov_iowait_apply()
337 		 * No boost pending; reduce the boost value.  in sugov_iowait_apply()
401 	unsigned long boost;  in sugov_update_single_common()  local
411 	boost = sugov_iowait_apply(sg_cpu, time, max_cap);  in sugov_update_single_common()
412 	sugov_get_util(sg_cpu, boost);  in sugov_update_single_common()
500 		unsigned long boost;  in sugov_next_freq_shared()  local
502 		boost = sugov_iowait_apply(j_sg_cpu, time, max_cap);  in sugov_next_freq_shared()
503 		sugov_get_util(j_sg_cpu, boost);  in sugov_next_freq_shared()