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b=HvWDiupRPolo+bI3uwA60KKbJSlraBTVeak2lv4k19vVRUsmGYp2FM4FYG0HezUWa JNRqhbb1tMro1nEZQqZRlQIk+W++tGR2PL1KERbGAVbDGxyYHcruVGetbp76QqG9EG mDkbw19PUUYbJofBvNMsBl9+CRt7gxPjRvUmO3htl/vwONMng087yE7Mwz3KTtQRWE h9Baf0U2IyesUlOsTQsrEUfHudVljtcfxwkVxLwW/GQCXciuUiY9CNwsCGnT1NIX89 l0c8sL9WCMQq3bowKSxfzboyTZnrKOm5ye6sHwPLCb5jVlWJEtAQDsmeNsAXw8NfrI ZwSiRlAueNd4g== 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 v2.2 07/28] mm/damon/core: do data attributes monitoring Date: Thu, 14 May 2026 17:44:08 -0700 Message-ID: <20260515004433.128933-8-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260515004433.128933-1-sj@kernel.org> References: <20260515004433.128933-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: mfjqh494a58sm7xhjbhf86nbsdm3eqrr X-Rspam-User: X-Rspamd-Queue-Id: 82BBB80003 X-Rspamd-Server: rspam07 X-HE-Tag: 1778805889-832944 X-HE-Meta: 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 qMvwqhg1 FEWqQLqtbSPsiWRSTRuuV1+TrHUDeBQswsuOTa1Z/JwejJsM6e4PYUXqgcdLKenaMgIHUzRnQlgbVUjTaWlNX6E7EbtTZf52VBMHuZiB6fuN1HD8fTI0nIErkMclZsXGgGfZMPeIfPZjeVtyI+nBOYPmBwZsW61p9zSFBiTliW4r8b+jCo+qcSnCnj1ZdiCTMEXM9iWV+c5gQJJ0aOPriDN+nCGZTY+W6Dmh2dhiuAppsKA4= 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 f6b4beb4b8ecd..1c9d2fb69f98d 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++; @@ -3172,6 +3176,8 @@ 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