Lines Matching full:observation

249 /* Min observation time interval required to perform a peak-rate update (ns) */
251 /* Target observation time interval for a peak-rate update (ns) */
2083 	 * Keep an observation window of at most 200 ms in the past  in bfq_update_io_intensity()
3483 	 * extend the observation interval to the last completion.  in bfq_update_rate_reset()
3515 	 * and to how long the observation time interval is.  in bfq_update_rate_reset()
3534 	 * duration of the observation interval.  in bfq_update_rate_reset()
3599  * observation interval grows. This is the key property used in
3616 	 * Device idle for very long: the observation interval lasting  in bfq_update_peak_rate()
3617 	 * up to this dispatch cannot be a valid observation interval  in bfq_update_peak_rate()
3622 	 * - close the observation interval at the last (previous)  in bfq_update_peak_rate()
3624 	 * - compute rate, if possible, for that observation interval  in bfq_update_peak_rate()
3625 	 * - start a new observation interval with this dispatch  in bfq_update_peak_rate()
3650 	/* Target observation interval not yet reached, go on sampling */  in bfq_update_peak_rate()
4141  * An important observation is in order: as discussed in the comments
6401 	 * rate (less than 1M sectors/sec), then the whole observation  in bfq_completed_request()
6406 	 * - close the observation interval at the last (previous)  in bfq_completed_request()
6408 	 * - compute rate, if possible, for that observation interval  in bfq_completed_request()
6410 	 *   re-initialization of the observation interval on next  in bfq_completed_request()