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- # SPDX-License-Identifier: GPL-2.0
- menu "IO Schedulers"
- config MQ_IOSCHED_DEADLINE
- tristate "MQ deadline I/O scheduler"
- default y
- help
- MQ version of the deadline IO scheduler.
- config MQ_IOSCHED_KYBER
- 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 IOSCHED_BFQ
- tristate "BFQ I/O scheduler"
- select BLK_ICQ
- 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 BFQ_GROUP_IOSCHED
- bool "BFQ hierarchical scheduling support"
- depends on IOSCHED_BFQ && BLK_CGROUP
- select BLK_CGROUP_RWSTAT
- help
- Enable hierarchical scheduling in BFQ, using the blkio
- (cgroups-v1) or io (cgroups-v2) controller.
- config BFQ_CGROUP_DEBUG
- bool "BFQ IO controller debugging"
- depends on BFQ_GROUP_IOSCHED
- help
- Enable some debugging help. Currently it exports additional stat
- files in a cgroup which can be useful for debugging.
- config MQ_IOSCHED_SSG
- tristate "SamSung Generic I/O scheduler"
- default n
- help
- SamSung Generic IO scheduler.
- config MQ_IOSCHED_SSG_CGROUP
- tristate "Control Group for SamSung Generic I/O scheduler"
- default n
- depends on BLK_CGROUP
- depends on MQ_IOSCHED_SSG
- help
- Control Group for SamSung Generic IO scheduler.
- config MQ_IOSCHED_SSG_WB
- tristate "Write Booster for SamSung Generic I/O scheduler"
- default n
- depends on MQ_IOSCHED_SSG
- help
- Write Booster for SamSung Generic IO scheduler.
- endmenu
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