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| -rw-r--r-- | block/Kconfig.iosched | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched new file mode 100644 index 0000000000..27f11320b8 --- /dev/null +++ b/block/Kconfig.iosched @@ -0,0 +1,47 @@ +# 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 + default y + 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. + +endmenu |