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b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | menu "IO Schedulers" |
3 | ||
d3484991 JA |
4 | config MQ_IOSCHED_DEADLINE |
5 | tristate "MQ deadline I/O scheduler" | |
6 | default y | |
a7f7f624 | 7 | help |
d3484991 JA |
8 | MQ version of the deadline IO scheduler. |
9 | ||
00e04393 OS |
10 | config MQ_IOSCHED_KYBER |
11 | tristate "Kyber I/O scheduler" | |
12 | default y | |
a7f7f624 | 13 | help |
00e04393 OS |
14 | The Kyber I/O scheduler is a low-overhead scheduler suitable for |
15 | multiqueue and other fast devices. Given target latencies for reads and | |
16 | synchronous writes, it will self-tune queue depths to achieve that | |
17 | goal. | |
18 | ||
aee69d78 PV |
19 | config IOSCHED_BFQ |
20 | tristate "BFQ I/O scheduler" | |
5ef16305 | 21 | select BLK_ICQ |
a7f7f624 | 22 | help |
aee69d78 PV |
23 | BFQ I/O scheduler for BLK-MQ. BFQ distributes the bandwidth of |
24 | of the device among all processes according to their weights, | |
25 | regardless of the device parameters and with any workload. It | |
26 | also guarantees a low latency to interactive and soft | |
27 | real-time applications. Details in | |
898bd37a | 28 | Documentation/block/bfq-iosched.rst |
aee69d78 | 29 | |
e21b7a0b AA |
30 | config BFQ_GROUP_IOSCHED |
31 | bool "BFQ hierarchical scheduling support" | |
32 | depends on IOSCHED_BFQ && BLK_CGROUP | |
4a6a7bc2 | 33 | default y |
1d156646 | 34 | select BLK_CGROUP_RWSTAT |
a7f7f624 | 35 | help |
e21b7a0b AA |
36 | |
37 | Enable hierarchical scheduling in BFQ, using the blkio | |
38 | (cgroups-v1) or io (cgroups-v2) controller. | |
39 | ||
8060c47b CH |
40 | config BFQ_CGROUP_DEBUG |
41 | bool "BFQ IO controller debugging" | |
42 | depends on BFQ_GROUP_IOSCHED | |
a7f7f624 | 43 | help |
8060c47b CH |
44 | Enable some debugging help. Currently it exports additional stat |
45 | files in a cgroup which can be useful for debugging. | |
46 | ||
1da177e4 | 47 | endmenu |