xref: /linux/Documentation/block/kyber-iosched.rst (revision 0898782247ae533d1f4e47a06bc5d4870931b284)
1*898bd37aSMauro Carvalho Chehab============================
2*898bd37aSMauro Carvalho ChehabKyber I/O scheduler tunables
3*898bd37aSMauro Carvalho Chehab============================
4*898bd37aSMauro Carvalho Chehab
5*898bd37aSMauro Carvalho ChehabThe only two tunables for the Kyber scheduler are the target latencies for
6*898bd37aSMauro Carvalho Chehabreads and synchronous writes. Kyber will throttle requests in order to meet
7*898bd37aSMauro Carvalho Chehabthese target latencies.
8*898bd37aSMauro Carvalho Chehab
9*898bd37aSMauro Carvalho Chehabread_lat_nsec
10*898bd37aSMauro Carvalho Chehab-------------
11*898bd37aSMauro Carvalho ChehabTarget latency for reads (in nanoseconds).
12*898bd37aSMauro Carvalho Chehab
13*898bd37aSMauro Carvalho Chehabwrite_lat_nsec
14*898bd37aSMauro Carvalho Chehab--------------
15*898bd37aSMauro Carvalho ChehabTarget latency for synchronous writes (in nanoseconds).
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