stats: Add hint information to per priority level stats

Modify the json and standard per-priority output stats to display the
hint value together with the priority class and level.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Niklas Cassel <niklas.cassel@wdc.com>
Link: https://lore.kernel.org/r/20230721110510.44772-7-dlemoal@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 file changed