linux-kernel - [RFC PATCH 18/18] Docs/ABI/damon: document 'schemes/<s>/tried

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Message-Id: <20221019001317.104270-19-sj@kernel.org>
Date:   Wed, 19 Oct 2022 00:13:17 +0000
From:   SeongJae Park <sj@...nel.org>
To:     SeongJae Park <sj@...nel.org>
Cc:     damon@...ts.linux.dev, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH 18/18] Docs/ABI/damon: document 'schemes/<s>/tried_regions' directory

Update DAMON ABI document for added 'tried_regions' directory of DAMON
sysfs interface.

Signed-off-by: SeongJae Park <sj@...nel.org>
---
 .../ABI/testing/sysfs-kernel-mm-damon         | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-damon b/Documentation/ABI/testing/sysfs-kernel-mm-damon
index 08b9df323560..7ba95e35b427 100644
--- a/Documentation/ABI/testing/sysfs-kernel-mm-damon
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon
@@ -27,6 +27,10 @@ Description:	Writing 'on' or 'off' to this file makes the kdamond starts or
 		makes the kdamond reads the user inputs in the sysfs files
 		except 'state' again.  Writing 'update_schemes_stats' to the
 		file updates contents of schemes stats files of the kdamond.
+		Writing 'update_schemes_regions' to the file updates contents
+		of 'tried_regions' directory of every scheme directory of this
+		kdamond.  Writing 'clear_schemes_regions' to the file removes
+		contents of the 'tried_regions' directory.
 
 What:		/sys/kernel/mm/damon/admin/kdamonds/<K>/pid
 Date:		Mar 2022
@@ -283,3 +287,31 @@ Date:		Mar 2022
 Contact:	SeongJae Park <sj@...nel.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>/tried_regions/<R>/start
+Date:		Oct 2022
+Contact:	SeongJae Park <sj@...nel.org>
+Description:	Reading this file returns the start address of a memory region
+		that corresponding DAMON-based Operation Scheme's action has
+		tried to be applied.
+
+What:		/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/end
+Date:		Oct 2022
+Contact:	SeongJae Park <sj@...nel.org>
+Description:	Reading this file returns the end address of a memory region
+		that corresponding DAMON-based Operation Scheme's action has
+		tried to be applied.
+
+What:		/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/nr_accesses
+Date:		Oct 2022
+Contact:	SeongJae Park <sj@...nel.org>
+Description:	Reading this file returns the 'nr_accesses' of a memory region
+		that corresponding DAMON-based Operation Scheme's action has
+		tried to be applied.
+
+What:		/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/age
+Date:		Oct 2022
+Contact:	SeongJae Park <sj@...nel.org>
+Description:	Reading this file returns the 'age' of a memory region that
+		corresponding DAMON-based Operation Scheme's action has tried
+		to be applied.
-- 
2.25.1