Messages in this thread | | | Subject | Re: [PATCH 12/14] block: introduce blk-iolatency io controller | From | Randy Dunlap <> | Date | Tue, 3 Jul 2018 12:32:12 -0700 |
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On 07/03/2018 08:15 AM, Josef Bacik wrote: > diff --git a/block/Kconfig b/block/Kconfig > index 28ec55752b68..074c6099c31f 100644 > --- a/block/Kconfig > +++ b/block/Kconfig > @@ -149,6 +149,18 @@ config BLK_WBT > dynamically on an algorithm loosely based on CoDel, factoring in > the realtime performance of the disk. > > +config BLK_CGROUP_IOLATENCY > + bool "Enable support for latency based cgroup IO protection" > + depends on BLK_CGROUP=y > + default n > + ---help--- > + Enabling this option enables the .latency interface for IO throttling. > + The IO controller will attempt to maintain average IO latencies below > + the configured latency target, throttling anybody with a higher latency
Could that be: any process {or any task} I don't want to see it throttling any bodies.
> + target than the victimized group. > + > + Note, this is an experimental interface and could be changed someday. > + > config BLK_WBT_SQ > bool "Single queue writeback throttling" > default n
-- ~Randy
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