diff options
| author | Tejun Heo <tj@kernel.org> | 2019-08-28 18:06:00 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-08-28 23:17:17 -0400 |
| commit | 8504dea783b044cab620acbaef87b86ee84646fe (patch) | |
| tree | cca537253cd81bd3aff9ab14f42d5036bf006515 /block | |
| parent | 6954ff185ee0811cdd2e0f388ff4dd7df17f11af (diff) | |
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 'block')
| -rw-r--r-- | block/blk-iocost.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-iocost.c b/block/blk-iocost.c index 3208d2fdc55e..f04a4ed1cb45 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c | |||
| @@ -46,6 +46,9 @@ | |||
| 46 | * If needed, tools/cgroup/iocost_coef_gen.py can be used to generate | 46 | * If needed, tools/cgroup/iocost_coef_gen.py can be used to generate |
| 47 | * device-specific coefficients. | 47 | * device-specific coefficients. |
| 48 | * | 48 | * |
| 49 | * If needed, tools/cgroup/iocost_coef_gen.py can be used to generate | ||
| 50 | * device-specific coefficients. | ||
| 51 | * | ||
| 49 | * 2. Control Strategy | 52 | * 2. Control Strategy |
| 50 | * | 53 | * |
| 51 | * The device virtual time (vtime) is used as the primary control metric. | 54 | * The device virtual time (vtime) is used as the primary control metric. |