sys/cam/cam_iosched.c

290 	struct iop_stats read_stats, write_stats, trim_stats;
577 	cam_iosched_limiter_tick(&isc->write_stats);
603 	pending = isc->read_stats.pending + isc->write_stats.pending /* + isc->trim_stats.pending */;
605 	    !!(isc->write_stats.state_flags & IOP_RATE_LIMITED) * isc->write_stats.queued /* +
643 		if (isc->write_stats.current != isc->write_stats.max)
645 			    isc->write_stats.current, isc->write_stats.max);
647 		isc->write_stats.current = isc->write_stats.max;
651 		old = isc->write_stats.current;
680 			isc->write_stats.current = isc->write_stats.current *
683 			isc->write_stats.current = isc->write_stats.current *
691 		if (isc->write_stats.current < isc->write_stats.min)
692 			isc->write_stats.current = isc->write_stats.min;
693 		if (isc->write_stats.current > isc->write_stats.max)
694 			isc->write_stats.current = isc->write_stats.max;
695 		if (old != isc->write_stats.current && 	iosched_debug)
697 			    old, isc->write_stats.current,
737 		    cam_iosched_limiter_caniop(&isc->write_stats, wbp) == 0;
741 			printf("can write %d: pending_writes %d max_writes %d\n", can_write, isc->write_stats.pending, isc->write_stats.max);
743 			printf("Queued reads %d writes %d\n", isc->read_stats.queued, isc->write_stats.queued);
1120 		cam_iosched_iop_stats_init(*iscp, &(*iscp)->write_stats);
1146 		cam_iosched_iop_stats_fini(&isc->write_stats);
1195 	cam_iosched_iop_stats_sysctl_init(isc, &isc->write_stats, "write");
1318 			    isc->current_read_bias, isc->write_stats.queued,
1328 	if (cam_iosched_limiter_iop(&isc->write_stats, bp) != 0) {
1331 		isc->write_stats.state_flags |= IOP_RATE_LIMITED;
1342 		isc->write_stats.queued--;
1343 		isc->write_stats.total++;
1344 		isc->write_stats.pending++;
1348 	isc->write_stats.state_flags &= ~IOP_RATE_LIMITED;
1606 			isc->write_stats.in++;
1607 			isc->write_stats.queued++;
1623 			isc->write_stats.in++;
1624 			isc->write_stats.queued++;
1667 		retval = cam_iosched_limiter_iodone(&isc->write_stats, bp);
1669 			isc->write_stats.errs++;
1670 		isc->write_stats.out++;
1671 		isc->write_stats.pending--;
1901 		cam_iosched_update(&isc->write_stats, sim_latency);
1943 	db_printf("pending_writes:    %d\n", isc->write_stats.pending);
1944 	db_printf("min_writes:        %d\n", isc->write_stats.min);
1945 	db_printf("max_writes:        %d\n", isc->write_stats.max);
1946 	db_printf("writes:            %d\n", isc->write_stats.total);
1947 	db_printf("in_writes:         %d\n", isc->write_stats.in);
1948 	db_printf("out_writes:        %d\n", isc->write_stats.out);
1949 	db_printf("queued_writes:     %d\n", isc->write_stats.queued);