Update DAMON usage document for the quota goal target_metric file.
Signed-off-by: SeongJae Park <sj@kernel.org>
---
Documentation/admin-guide/mm/damon/usage.rst | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
@@ -86,7 +86,7 @@ comma (",").
│ │ │ │ │ │ │ :ref:`quotas <sysfs_quotas>`/ms,bytes,reset_interval_ms,effective_bytes
│ │ │ │ │ │ │ │ weights/sz_permil,nr_accesses_permil,age_permil
│ │ │ │ │ │ │ │ :ref:`goals <sysfs_schemes_quota_goals>`/nr_goals
- │ │ │ │ │ │ │ │ │ 0/target_value,current_value
+ │ │ │ │ │ │ │ │ │ 0/target_metric,target_value,current_value
│ │ │ │ │ │ │ :ref:`watermarks <sysfs_watermarks>`/metric,interval_us,high,mid,low
│ │ │ │ │ │ │ :ref:`filters <sysfs_filters>`/nr_filters
│ │ │ │ │ │ │ │ 0/type,matching,memcg_id
@@ -366,11 +366,11 @@ number (``N``) to the file creates the number of child directories named ``0``
to ``N-1``. Each directory represents each goal and current achievement.
Among the multiple feedback, the best one is used.
-Each goal directory contains two files, namely ``target_value`` and
-``current_value``. Users can set and get any number to those files to set the
-feedback. User space main workload's latency or throughput, system metrics
-like free memory ratio or memory pressure stall time (PSI) could be example
-metrics for the values. Note that users should write
+Each goal directory contains three files, namely ``target_metric``,
+``target_value`` and ``current_value``. Users can set and get the three
+parameters for the quota auto-tuning goals that specified on the :ref:`design
+doc <damon_design_damos_quota_auto_tuning>` by writing to and reading from each
+of the files. Note that users should further write
``commit_schemes_quota_goals`` to the ``state`` file of the :ref:`kdamond
directory <sysfs_kdamond>` to pass the feedback to DAMON.