trace_iocost_ioc_vrate_adj 1602 block/blk-iocost.c trace_iocost_ioc_vrate_adj(ioc, vrate, missed_ppm, rq_wait_pct, trace_iocost_ioc_vrate_adj 1610 block/blk-iocost.c trace_iocost_ioc_vrate_adj(ioc, atomic64_read(&ioc->vtime_rate),