Enable support for cost model based cgroup IO controller
modulename: blk-iocost.ko
configname: CONFIG_BLK_CGROUP_IOCOST
Linux Kernel Configuration
└─>Enable the block layer
└─>Enable support for cost model based cgroup IO controller
In linux kernel since version 5.1 (release Date: 2019-05-05)
Enabling this option enables the .weight interface for cost
model based proportional IO control. The IO controller
distributes IO capacity between different groups based on
their share of the overall weight distribution.
model based proportional IO control. The IO controller
distributes IO capacity between different groups based on
their share of the overall weight distribution.