mm/damos/stat: introduce nr_snapshots, max_nr_snapshots and tracepoint

[RFC PATCH 05/12] Docs/ABI/damon: update for nr_snapshots damos stat

Posted by SeongJae Park 1 week, 1 day ago

Update DAMON ABI document for the newly added damos stat, nr_snapshots.

Signed-off-by: SeongJae Park <sj@kernel.org>
---
 Documentation/ABI/testing/sysfs-kernel-mm-damon | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-damon b/Documentation/ABI/testing/sysfs-kernel-mm-damon
index 4fb8b7a6d625..8ec469eb4471 100644
--- a/Documentation/ABI/testing/sysfs-kernel-mm-damon
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon
@@ -516,6 +516,12 @@ Contact:	SeongJae Park <sj@kernel.org>
 Description:	Reading this file returns the number of the exceed events of
 		the scheme's quotas.
 
+What:		/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/nr_snapshots
+Date:		Nov 2025
+Contact:	SeongJae Park <sj@kernel.org>
+Description:	Reading this file returns the total number of DAMON snapshots
+		that the scheme has tried to be applied.
+
 What:		/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/total_bytes
 Date:		Jul 2023
 Contact:	SeongJae Park <sj@kernel.org>
-- 
2.47.3