From: SeongJae Park <sj@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: SeongJae Park <sj@kernel.org>,
damon@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: [PATCH 14/28] mm/damon/sysfs: setup probes on DAMON core API parameters
Date: Mon, 18 May 2026 16:41:02 -0700 [thread overview]
Message-ID: <20260518234119.97569-15-sj@kernel.org> (raw)
In-Reply-To: <20260518234119.97569-1-sj@kernel.org>
Add user-installed data probes to DAMON core API parameters, so that
user inputs for data probes are passed to DAMON core.
Signed-off-by: SeongJae Park <sj@kernel.org>
---
mm/damon/sysfs.c | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index 51a4f05c9275c..eeb7fdd030cf0 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -1855,6 +1855,40 @@ static int damon_sysfs_set_attrs(struct damon_ctx *ctx,
return damon_set_attrs(ctx, &attrs);
}
+static int damon_sysfs_set_probes(struct damon_ctx *ctx,
+ struct damon_sysfs_probes *sys_probes)
+{
+ int i;
+
+ for (i = 0; i < sys_probes->nr; i++) {
+ struct damon_sysfs_filters *sys_filters =
+ sys_probes->probes_arr[i]->filters;
+ struct damon_probe *c;
+ int j;
+
+ if (!sys_filters)
+ continue;
+ c = damon_new_probe();
+ if (!c)
+ return -ENOMEM;
+ damon_add_probe(ctx, c);
+
+ for (j = 0; j < sys_filters->nr; j++) {
+ struct damon_sysfs_filter *sys_filter =
+ sys_filters->filters_arr[j];
+ struct damon_filter *filter;
+
+ filter = damon_new_filter(sys_filter->type,
+ sys_filter->matching,
+ sys_filter->allow);
+ if (!filter)
+ return -ENOMEM;
+ damon_add_filter(c, filter);
+ }
+ }
+ return 0;
+}
+
static int damon_sysfs_set_regions(struct damon_target *t,
struct damon_sysfs_regions *sysfs_regions,
unsigned long min_region_sz)
@@ -1967,6 +2001,9 @@ static int damon_sysfs_apply_inputs(struct damon_ctx *ctx,
DAMON_MIN_REGION_SZ / sys_ctx->addr_unit, 1);
ctx->pause = sys_ctx->pause;
err = damon_sysfs_set_attrs(ctx, sys_ctx->attrs);
+ if (err)
+ return err;
+ err = damon_sysfs_set_probes(ctx, sys_ctx->attrs->probes);
if (err)
return err;
err = damon_sysfs_add_targets(ctx, sys_ctx->targets);
--
2.47.3
next prev parent reply other threads:[~2026-05-18 23:41 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-18 23:40 [PATCH 00/28] mm/damon: introduce data attributes monitoring SeongJae Park
2026-05-18 23:40 ` [PATCH 01/28] mm/damon/core: introduce struct damon_probe SeongJae Park
2026-05-18 23:40 ` [PATCH 02/28] mm/damon/core: embed damon_probe objects in damon_ctx SeongJae Park
2026-05-18 23:40 ` [PATCH 03/28] mm/damon/core: introduce damon_filter SeongJae Park
2026-05-18 23:40 ` [PATCH 04/28] mm/damon/core: commit probes SeongJae Park
2026-05-18 23:40 ` [PATCH 05/28] mm/damon/core: introduce damon_region->probe_hits SeongJae Park
2026-05-18 23:40 ` [PATCH 06/28] mm/damon/core: introduce damon_ops->apply_probes SeongJae Park
2026-05-18 23:40 ` [PATCH 07/28] mm/damon/core: do data attributes monitoring SeongJae Park
2026-05-18 23:40 ` [PATCH 08/28] mm/damon/paddr: support " SeongJae Park
2026-05-18 23:40 ` [PATCH 09/28] mm/damon/sysfs: implement probes dir SeongJae Park
2026-05-18 23:40 ` [PATCH 10/28] mm/damon/sysfs: implement probe dir SeongJae Park
2026-05-18 23:40 ` [PATCH 11/28] mm/damon/sysfs: implement filters directory SeongJae Park
2026-05-18 23:41 ` [PATCH 12/28] mm/damon/sysfs: implement filter dir SeongJae Park
2026-05-18 23:41 ` [PATCH 13/28] mm/damon/sysfs: implement filter dir files SeongJae Park
2026-05-18 23:41 ` SeongJae Park [this message]
2026-05-18 23:41 ` [PATCH 15/28] mm/damon/sysfs-schemes: implement tried_regions/<r>/probes/ SeongJae Park
2026-05-18 23:41 ` [PATCH 16/28] mm/damon/sysfs-schemes: implement probe dir SeongJae Park
2026-05-18 23:41 ` [PATCH 17/28] mm/damon/sysfs-schemes: implement probe/hits file SeongJae Park
2026-05-18 23:41 ` [PATCH 18/28] mm/damon: trace probe_hits SeongJae Park
2026-05-18 23:41 ` [PATCH 19/28] selftests/damon/sysfs.sh: test probes dir SeongJae Park
2026-05-18 23:41 ` [PATCH 20/28] Docs/mm/damon/design: document data attributes monitoring SeongJae Park
2026-05-18 23:41 ` [PATCH 21/28] Docs/admin-guide/mm/damon/usage: " SeongJae Park
2026-05-18 23:41 ` [PATCH 22/28] mm/damon/core: introduce DAMON_FILTER_TYPE_MEMCG SeongJae Park
2026-05-18 23:41 ` [PATCH 23/28] mm/damon/paddr: support DAMON_FILTER_TYPE_MEMCG SeongJae Park
2026-05-18 23:41 ` [PATCH 24/28] mm/damon/sysfs: add filters/<F>/path file SeongJae Park
2026-05-18 23:41 ` [PATCH 25/28] mm/damon/sysfs-schemes: move memcg_path_to_id() to sysfs-common SeongJae Park
2026-05-18 23:41 ` [PATCH 26/28] mm/damon/sysfs: setup damon_filter->memcg_id from path SeongJae Park
2026-05-18 23:41 ` [PATCH 27/28] Docs/mm/damon/design: update for memcg damon filter SeongJae Park
2026-05-18 23:41 ` [PATCH 28/28] Docs/admin-guide/mm/damon/usage: " SeongJae Park
2026-05-18 23:53 ` [PATCH 00/28] mm/damon: introduce data attributes monitoring SeongJae Park
2026-05-19 0:54 ` Andrew Morton
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