# SPDX-License-Identifier: GPL-2.0 if [31mCONFIG_BLOCK[0m menu "IO Schedulers" config [31mCONFIG_MQ_IOSCHED_DEADLINE[0m tristate "MQ deadline I/O scheduler" default y ---help--- MQ version of the deadline IO scheduler. config [31mCONFIG_MQ_IOSCHED_KYBER[0m tristate "Kyber I/O scheduler" default y ---help--- The Kyber I/O scheduler is a low-overhead scheduler suitable for multiqueue and other fast devices. Given target latencies for reads and synchronous writes, it will self-tune queue depths to achieve that goal. config [31mCONFIG_IOSCHED_BFQ[0m tristate "BFQ I/O scheduler" ---help--- BFQ I/O scheduler for BLK-MQ. BFQ distributes the bandwidth of of the device among all processes according to their weights, regardless of the device parameters and with any workload. It also guarantees a low latency to interactive and soft real-time applications. Details in Documentation/block/bfq-iosched.rst config [31mCONFIG_BFQ_GROUP_IOSCHED[0m bool "BFQ hierarchical scheduling support" depends on [31mCONFIG_IOSCHED_BFQ[0m && [31mCONFIG_BLK_CGROUP[0m ---help--- Enable hierarchical scheduling in BFQ, using the blkio (cgroups-v1) or io (cgroups-v2) controller. config [31mCONFIG_BFQ_CGROUP_DEBUG[0m bool "BFQ IO controller debugging" depends on [31mCONFIG_BFQ_GROUP_IOSCHED[0m ---help--- Enable some debugging help. Currently it exports additional stat files in a cgroup which can be useful for debugging. endmenu endif |