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| author |   Tejun Heo <tj@kernel.org> | 2019-08-28 15:06:00 -0700 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2019-08-28 21:17:17 -0600 |
| commit | 8504dea783b044cab620acbaef87b86ee84646fe (patch) | |
| tree | cca537253cd81bd3aff9ab14f42d5036bf006515 /Documentation/admin-guide | |
| parent | blkcg: add tools/cgroup/iocost_monitor.py (diff) | |
| download | linux-dev-8504dea783b044cab620acbaef87b86ee84646fe.tar.xz linux-dev-8504dea783b044cab620acbaef87b86ee84646fe.zip | |
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 <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/cgroup-v2.rst | 3 |
1 files changed, 3 insertions, 0 deletions
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". |