From 8504dea783b044cab620acbaef87b86ee84646fe Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 28 Aug 2019 15:06:00 -0700 Subject: blkcg: add tools/cgroup/iocost_coef_gen.py Add a script which can be used to generate device-specific iocost linear model coefficients. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- Documentation/admin-guide/cgroup-v2.rst | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Documentation/admin-guide') diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst index 1521c7e554f5..3deacdc5e6d2 100644 --- a/Documentation/admin-guide/cgroup-v2.rst +++ b/Documentation/admin-guide/cgroup-v2.rst @@ -1529,6 +1529,9 @@ IO Interface Files The IO cost model isn't expected to be accurate in absolute sense and is scaled to the device behavior dynamically. + If needed, tools/cgroup/iocost_coef_gen.py can be used to + generate device-specific coefficients. + io.weight A read-write flat-keyed file which exists on non-root cgroups. The default is "default 100". -- cgit v1.3-14-g43fede