From: SeongJae Park <sj@kernel.org>
To: SeongJae Park <sj@kernel.org>
Cc: damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: [RFC PATCH 18/18] Docs/ABI/damon: document 'schemes/<s>/tried_regions' directory
Date: Wed, 19 Oct 2022 00:13:17 +0000 [thread overview]
Message-ID: <20221019001317.104270-19-sj@kernel.org> (raw)
In-Reply-To: <20221019001317.104270-1-sj@kernel.org>
Update DAMON ABI document for added 'tried_regions' directory of DAMON
sysfs interface.
Signed-off-by: SeongJae Park <sj@kernel.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@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>/tried_regions/<R>/start
+Date: Oct 2022
+Contact: SeongJae Park <sj@kernel.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@kernel.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@kernel.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@kernel.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
next prev parent reply other threads:[~2022-10-19 0:13 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-19 0:12 [RFC PATCH 00/18] efficiently expose damos action tried regions information SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 01/18] mm/damon/modules: deduplicate init steps for DAMON context setup SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 02/18] mm/damon/core: split out DAMOS-charged region skip logic into a new function SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 03/18] mm/damon/core: split damos application " SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 04/18] mm/damon/core: split out scheme stat update " SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 05/18] mm/damon/core: split out scheme quota adjustment " SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 06/18] mm/damon/core: add a DAMON callback for scheme target regions check SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 07/18] mm/damon/sysfs: Use damon_addr_range for regions' start and end values SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 08/18] mm/damon/sysfs: remove parameters of damon_sysfs_region_alloc() SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 09/18] mm/damon/sysfs: move sysfs_lock to common module SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 10/18] mm/damon/sysfs: move unsigned long range directory " SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 11/18] mm/damon/sysfs: split out kdamond-independent schemes stats update logic into a new function SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 12/18] mm/damon/sysfs: move schemes directory implementation to separate module SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 13/18] mm/damon/sysfs-schemes: implement schemes/tried_regions directory SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 14/18] mm/damon/sysfs-schemes: implement scheme region directory SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 15/18] mm/damon/sysfs: implement DAMOS-tried regions update command SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 16/18] mm/damon/sysfs-schemes: implement DAMOS tried regions clear command SeongJae Park
2022-10-19 0:13 ` [RFC PATCH 17/18] Docs/admin-guide/mm/damon/usage: document schemes/<s>/tried_regions directory SeongJae Park
2022-10-19 0:13 ` SeongJae Park [this message]
2022-10-19 17:32 ` [RFC PATCH 00/18] efficiently expose damos action tried regions information SeongJae Park
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