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b=ahYiYfUuE7c1uPb7cCFrsijDXb3+lORDe/eBd6SqLA9iZ7SWMSdssqv2TfKfQjxh2 JBiUBXvOuPpqpJ+2AzsaGURyx2GxQmjr9rB9QSxnEW0TQtnge/IkuSDprJcjrv98+Q iSagIWedjuRRSsgAB1+QX2xvYH0wDdRRlisv8cBkJkcGtib+aG+lTg2/v+XtP1PuFe yHrlgI9gIT5QGOo4u3i/mne/7Dfjq/me4uTjgSqXQE3SVcAdIMK7tsmTFpjvlbrki4 w2K5+/kzBYsjUwby0GwIGxn7OUByOyIUNd78wEyL3tQV/CRf0yanjIx3o9v1cxvtUQ fjxww7q58P2BA== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v3 07/28] mm/damon/core: do data attributes monitoring Date: Sat, 16 May 2026 11:36:48 -0700 Message-ID: <20260516183712.81393-8-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260516183712.81393-1-sj@kernel.org> References: <20260516183712.81393-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: DB8A6160006 X-Rspamd-Server: rspam06 X-Stat-Signature: c8iymxjuxn6dtn1sz6wzayq3kpu8z7s4 X-HE-Tag: 1778956647-103425 X-HE-Meta: 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 aT0rdbrq Rt7YRTVYTWINPBFgJLR8mQXnbwJrqEwmqA6N3Y1IM0PwtYDdeetST5gCNqF85e7DJV+fWGD2bjMMV3Y9ArkHzI/DwdNQ8jwxKyNyj4L2WpQIQaUONcjhReZBcJ+bZzOtAo+BXIlFxpS2z1VO/7nXRBzubhWfYQ2DOhR9ywTd4EkmudZkUrZ7NU4/d7JJeMDXLe/Dzf5VtOY3ZMjv/NlIU3JdSw3WjWeuvrGgC Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Implement the data attributes monitoring execution. Update kdamond to invoke the probes application callback, and reset the aggregated number of per-region per-probe positive samples for every aggregation interval. Signed-off-by: SeongJae Park --- mm/damon/core.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/mm/damon/core.c b/mm/damon/core.c index e5667660b4cd9..dde3c8d8fef89 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1886,10 +1886,14 @@ static void kdamond_reset_aggregated(struct damon_ctx *c) struct damon_region *r; damon_for_each_region(r, t) { + int i; + trace_damon_aggregated(ti, r, damon_nr_regions(t)); damon_warn_fix_nr_accesses_corruption(r); r->last_nr_accesses = r->nr_accesses; r->nr_accesses = 0; + for (i = 0; i < DAMON_MAX_PROBES; i++) + r->probe_hits[i] = 0; damon_verify_reset_aggregated(r, c); } ti++; @@ -3179,6 +3183,8 @@ static int kdamond_fn(void *data) if (ctx->ops.check_accesses) max_nr_accesses = ctx->ops.check_accesses(ctx); + if (ctx->ops.apply_probes) + ctx->ops.apply_probes(ctx); if (time_after_eq(ctx->passed_sample_intervals, next_aggregation_sis)) { -- 2.47.3