1 # SPDX-License-Identifier: GPL-2.0
2 menu "IO Schedulers"
3
4 config MQ_IOSCHED_DEADLINE
5 tristate "MQ deadline I/O scheduler"
6 default y
7 help
8 MQ version of the deadline IO schedu
9
10 config MQ_IOSCHED_KYBER
11 tristate "Kyber I/O scheduler"
12 default y
13 help
14 The Kyber I/O scheduler is a low-ove
15 multiqueue and other fast devices. G
16 synchronous writes, it will self-tun
17 goal.
18
19 config IOSCHED_BFQ
20 tristate "BFQ I/O scheduler"
21 select BLK_ICQ
22 help
23 BFQ I/O scheduler for BLK-MQ. BFQ dist
24 of the device among all processes acco
25 regardless of the device parameters an
26 also guarantees a low latency to inter
27 real-time applications. Details in
28 Documentation/block/bfq-iosched.rst
29
30 config BFQ_GROUP_IOSCHED
31 bool "BFQ hierarchical scheduling suppo
32 depends on IOSCHED_BFQ && BLK_CGROUP
33 default y
34 select BLK_CGROUP_RWSTAT
35 help
36
37 Enable hierarchical scheduling in BFQ,
38 (cgroups-v1) or io (cgroups-v2) control
39
40 config BFQ_CGROUP_DEBUG
41 bool "BFQ IO controller debugging"
42 depends on BFQ_GROUP_IOSCHED
43 help
44 Enable some debugging help. Currently
45 files in a cgroup which can be useful
46
47 endmenu
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