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49 lines
1.3 KiB
49 lines
1.3 KiB
# SPDX-License-Identifier: GPL-2.0 |
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if BLOCK |
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menu "IO Schedulers" |
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config MQ_IOSCHED_DEADLINE |
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tristate "MQ deadline I/O scheduler" |
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default y |
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help |
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MQ version of the deadline IO scheduler. |
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config MQ_IOSCHED_KYBER |
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tristate "Kyber I/O scheduler" |
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default y |
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help |
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The Kyber I/O scheduler is a low-overhead scheduler suitable for |
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multiqueue and other fast devices. Given target latencies for reads and |
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synchronous writes, it will self-tune queue depths to achieve that |
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goal. |
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config IOSCHED_BFQ |
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tristate "BFQ I/O scheduler" |
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help |
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BFQ I/O scheduler for BLK-MQ. BFQ distributes the bandwidth of |
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of the device among all processes according to their weights, |
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regardless of the device parameters and with any workload. It |
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also guarantees a low latency to interactive and soft |
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real-time applications. Details in |
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Documentation/block/bfq-iosched.rst |
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config BFQ_GROUP_IOSCHED |
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bool "BFQ hierarchical scheduling support" |
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depends on IOSCHED_BFQ && BLK_CGROUP |
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select BLK_CGROUP_RWSTAT |
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help |
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Enable hierarchical scheduling in BFQ, using the blkio |
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(cgroups-v1) or io (cgroups-v2) controller. |
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config BFQ_CGROUP_DEBUG |
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bool "BFQ IO controller debugging" |
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depends on BFQ_GROUP_IOSCHED |
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help |
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Enable some debugging help. Currently it exports additional stat |
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files in a cgroup which can be useful for debugging. |
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endmenu |
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endif
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