Lines Matching full:shared
185 static int dm_stat_in_flight(struct dm_stat_shared *shared) in dm_stat_in_flight() argument
187 return atomic_read(&shared->in_flight[READ]) + in dm_stat_in_flight()
188 atomic_read(&shared->in_flight[WRITE]); in dm_stat_in_flight()
211 struct dm_stat_shared *shared; in dm_stats_cleanup() local
217 shared = &s->stat_shared[ni]; in dm_stats_cleanup()
218 if (WARN_ON(dm_stat_in_flight(shared))) { in dm_stats_cleanup()
225 atomic_read(&shared->in_flight[READ]), in dm_stats_cleanup()
226 atomic_read(&shared->in_flight[WRITE])); in dm_stats_cleanup()
514 static void dm_stat_round(struct dm_stat *s, struct dm_stat_shared *shared, in dm_stat_round() argument
528 difference = now - shared->stamp; in dm_stat_round()
532 in_flight_read = (unsigned)atomic_read(&shared->in_flight[READ]); in dm_stat_round()
533 in_flight_write = (unsigned)atomic_read(&shared->in_flight[WRITE]); in dm_stat_round()
542 shared->stamp = now; in dm_stat_round()
550 struct dm_stat_shared *shared = &s->stat_shared[entry]; in dm_stat_for_entry() local
577 dm_stat_round(s, shared, p); in dm_stat_for_entry()
578 atomic_inc(&shared->in_flight[idx]); in dm_stat_for_entry()
581 dm_stat_round(s, shared, p); in dm_stat_for_entry()
582 atomic_dec(&shared->in_flight[idx]); in dm_stat_for_entry()
701 static void __dm_stat_init_temporary_percpu_totals(struct dm_stat_shared *shared, in __dm_stat_init_temporary_percpu_totals() argument
709 dm_stat_round(s, shared, p); in __dm_stat_init_temporary_percpu_totals()
712 shared->tmp.sectors[READ] = 0; in __dm_stat_init_temporary_percpu_totals()
713 shared->tmp.sectors[WRITE] = 0; in __dm_stat_init_temporary_percpu_totals()
714 shared->tmp.ios[READ] = 0; in __dm_stat_init_temporary_percpu_totals()
715 shared->tmp.ios[WRITE] = 0; in __dm_stat_init_temporary_percpu_totals()
716 shared->tmp.merges[READ] = 0; in __dm_stat_init_temporary_percpu_totals()
717 shared->tmp.merges[WRITE] = 0; in __dm_stat_init_temporary_percpu_totals()
718 shared->tmp.ticks[READ] = 0; in __dm_stat_init_temporary_percpu_totals()
719 shared->tmp.ticks[WRITE] = 0; in __dm_stat_init_temporary_percpu_totals()
720 shared->tmp.io_ticks[READ] = 0; in __dm_stat_init_temporary_percpu_totals()
721 shared->tmp.io_ticks[WRITE] = 0; in __dm_stat_init_temporary_percpu_totals()
722 shared->tmp.io_ticks_total = 0; in __dm_stat_init_temporary_percpu_totals()
723 shared->tmp.time_in_queue = 0; in __dm_stat_init_temporary_percpu_totals()
726 memset(shared->tmp.histogram, 0, (s->n_histogram_entries + 1) * sizeof(unsigned long long)); in __dm_stat_init_temporary_percpu_totals()
730 shared->tmp.sectors[READ] += READ_ONCE(p->sectors[READ]); in __dm_stat_init_temporary_percpu_totals()
731 shared->tmp.sectors[WRITE] += READ_ONCE(p->sectors[WRITE]); in __dm_stat_init_temporary_percpu_totals()
732 shared->tmp.ios[READ] += READ_ONCE(p->ios[READ]); in __dm_stat_init_temporary_percpu_totals()
733 shared->tmp.ios[WRITE] += READ_ONCE(p->ios[WRITE]); in __dm_stat_init_temporary_percpu_totals()
734 shared->tmp.merges[READ] += READ_ONCE(p->merges[READ]); in __dm_stat_init_temporary_percpu_totals()
735 shared->tmp.merges[WRITE] += READ_ONCE(p->merges[WRITE]); in __dm_stat_init_temporary_percpu_totals()
736 shared->tmp.ticks[READ] += READ_ONCE(p->ticks[READ]); in __dm_stat_init_temporary_percpu_totals()
737 shared->tmp.ticks[WRITE] += READ_ONCE(p->ticks[WRITE]); in __dm_stat_init_temporary_percpu_totals()
738 shared->tmp.io_ticks[READ] += READ_ONCE(p->io_ticks[READ]); in __dm_stat_init_temporary_percpu_totals()
739 shared->tmp.io_ticks[WRITE] += READ_ONCE(p->io_ticks[WRITE]); in __dm_stat_init_temporary_percpu_totals()
740 shared->tmp.io_ticks_total += READ_ONCE(p->io_ticks_total); in __dm_stat_init_temporary_percpu_totals()
741 shared->tmp.time_in_queue += READ_ONCE(p->time_in_queue); in __dm_stat_init_temporary_percpu_totals()
745 shared->tmp.histogram[i] += READ_ONCE(p->histogram[i]); in __dm_stat_init_temporary_percpu_totals()
754 struct dm_stat_shared *shared; in __dm_stat_clear() local
758 shared = &s->stat_shared[x]; in __dm_stat_clear()
760 __dm_stat_init_temporary_percpu_totals(shared, s, x); in __dm_stat_clear()
763 p->sectors[READ] -= shared->tmp.sectors[READ]; in __dm_stat_clear()
764 p->sectors[WRITE] -= shared->tmp.sectors[WRITE]; in __dm_stat_clear()
765 p->ios[READ] -= shared->tmp.ios[READ]; in __dm_stat_clear()
766 p->ios[WRITE] -= shared->tmp.ios[WRITE]; in __dm_stat_clear()
767 p->merges[READ] -= shared->tmp.merges[READ]; in __dm_stat_clear()
768 p->merges[WRITE] -= shared->tmp.merges[WRITE]; in __dm_stat_clear()
769 p->ticks[READ] -= shared->tmp.ticks[READ]; in __dm_stat_clear()
770 p->ticks[WRITE] -= shared->tmp.ticks[WRITE]; in __dm_stat_clear()
771 p->io_ticks[READ] -= shared->tmp.io_ticks[READ]; in __dm_stat_clear()
772 p->io_ticks[WRITE] -= shared->tmp.io_ticks[WRITE]; in __dm_stat_clear()
773 p->io_ticks_total -= shared->tmp.io_ticks_total; in __dm_stat_clear()
774 p->time_in_queue -= shared->tmp.time_in_queue; in __dm_stat_clear()
781 p->histogram[i] -= shared->tmp.histogram[i]; in __dm_stat_clear()
841 struct dm_stat_shared *shared; in dm_stats_print() local
868 shared = &s->stat_shared[x]; in dm_stats_print()
873 __dm_stat_init_temporary_percpu_totals(shared, s, x); in dm_stats_print()
878 shared->tmp.ios[READ], in dm_stats_print()
879 shared->tmp.merges[READ], in dm_stats_print()
880 shared->tmp.sectors[READ], in dm_stats_print()
881 dm_jiffies_to_msec64(s, shared->tmp.ticks[READ]), in dm_stats_print()
882 shared->tmp.ios[WRITE], in dm_stats_print()
883 shared->tmp.merges[WRITE], in dm_stats_print()
884 shared->tmp.sectors[WRITE], in dm_stats_print()
885 dm_jiffies_to_msec64(s, shared->tmp.ticks[WRITE]), in dm_stats_print()
886 dm_stat_in_flight(shared), in dm_stats_print()
887 dm_jiffies_to_msec64(s, shared->tmp.io_ticks_total), in dm_stats_print()
888 dm_jiffies_to_msec64(s, shared->tmp.time_in_queue), in dm_stats_print()
889 dm_jiffies_to_msec64(s, shared->tmp.io_ticks[READ]), in dm_stats_print()
890 dm_jiffies_to_msec64(s, shared->tmp.io_ticks[WRITE])); in dm_stats_print()
894 DMEMIT("%s%llu", !i ? " " : ":", shared->tmp.histogram[i]); in dm_stats_print()