linux-kernel - [RFC PATCH 4/8] mm/damon/sysfs: commit intervals tuning goal

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Message-Id: <20250213014438.145611-5-sj@kernel.org>
Date: Wed, 12 Feb 2025 17:44:34 -0800
From: SeongJae Park <sj@...nel.org>
To: 
Cc: SeongJae Park <sj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	damon@...ts.linux.dev,
	kernel-team@...a.com,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: [RFC PATCH 4/8] mm/damon/sysfs: commit intervals tuning goal

Connect DAMON sysfs interface for sampling and aggregation intervals
auto-tuning with DAMON core API, so that users can really use the
feature using the sysfs files.

Signed-off-by: SeongJae Park <sj@...nel.org>
---
 mm/damon/sysfs.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index ff774cc19d1f..f9bfe9ea0ae6 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -1273,11 +1273,18 @@ static int damon_sysfs_set_attrs(struct damon_ctx *ctx,
 		struct damon_sysfs_attrs *sys_attrs)
 {
 	struct damon_sysfs_intervals *sys_intervals = sys_attrs->intervals;
+	struct damon_sysfs_intervals_goal *sys_goal =
+		sys_intervals->intervals_goal;
 	struct damon_sysfs_ul_range *sys_nr_regions =
 		sys_attrs->nr_regions_range;
 	struct damon_attrs attrs = {
 		.sample_interval = sys_intervals->sample_us,
 		.aggr_interval = sys_intervals->aggr_us,
+		.intervals_goal = {
+			.samples_bp = sys_goal->samples_bp,
+			.aggrs = sys_goal->aggrs,
+			.min_sample_us = sys_goal->min_sample_us,
+			.max_sample_us = sys_goal->max_sample_us},
 		.ops_update_interval = sys_intervals->update_us,
 		.min_nr_regions = sys_nr_regions->min,
 		.max_nr_regions = sys_nr_regions->max,
-- 
2.39.5