diff options
Diffstat (limited to 'block/Kconfig.iosched')
-rw-r--r-- | block/Kconfig.iosched | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched index 4626b88b2d5a..27f11320b8d1 100644 --- a/block/Kconfig.iosched +++ b/block/Kconfig.iosched @@ -1,18 +1,16 @@ # SPDX-License-Identifier: GPL-2.0 -if BLOCK - menu "IO Schedulers" config MQ_IOSCHED_DEADLINE tristate "MQ deadline I/O scheduler" default y - ---help--- + help MQ version of the deadline IO scheduler. config MQ_IOSCHED_KYBER tristate "Kyber I/O scheduler" default y - ---help--- + 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 @@ -20,22 +18,30 @@ config MQ_IOSCHED_KYBER config IOSCHED_BFQ tristate "BFQ I/O scheduler" - ---help--- + 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.txt + Documentation/block/bfq-iosched.rst config BFQ_GROUP_IOSCHED bool "BFQ hierarchical scheduling support" depends on IOSCHED_BFQ && BLK_CGROUP - ---help--- + default y + select BLK_CGROUP_RWSTAT + help Enable hierarchical scheduling in BFQ, using the blkio (cgroups-v1) or io (cgroups-v2) controller. -endmenu +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. -endif +endmenu |