tree aa7e182e5cb6d4cd12fbb3145adbaa2faa00858b
parent d9012a59db54442d5b2fcfdfcded35cf566397d3
author Chengming Zhou <zhouchengming@bytedance.com> 1596112264 +0800
committer Jens Axboe <axboe@kernel.dk> 1596131129 -0600

iocost_monitor: start from the oldest usage index

iocg usage_idx is the latest usage index, we should start from the
oldest usage index to show the consecutive NR_USAGE_SLOTS usages.

Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>