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b=SHr6kjg97yrhddopCh8SrS0cwoGVIPtpCqP5/w4RUiObXCcA3wmwpgxqte3SYsJPn X9BUHP6Oup1PCbFOBXJgiCcxuircBIQLf7Xh+GBaWXYOmk+dflW1dlupl3s/uYevFp xN+10+EOp8rmU3yhqZMufXwuNrono7E4FdDODyi3HAFJ4ZD+/ZSi/bkAoNPPEX06ao 9tUNu/nNdEfddhknATnywZ1JFtzJywaZwg13YitlJVhXcAt7g/0YZjnG7/npKSHS1+ dghbEosUoqHDr0GBCgxeovXUzuJzod/OCt/aVTfHrDLccx1ujIKMYDnnrlK1iFsIi8 ArW2pUWni0raQ== 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 07/28] mm/damon/core: do data attributes monitoring Date: Tue, 12 May 2026 07:36:22 -0700 Message-ID: <20260512143645.113201-8-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260512143645.113201-1-sj@kernel.org> References: <20260512143645.113201-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: E2FE318000C X-Stat-Signature: y4uesw3z3oqhdsf7rb3p6tiscyxn8uw7 X-Rspam-User: X-HE-Tag: 1778596621-658075 X-HE-Meta: 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 6VbWHO8k gqQVTJ70N+Uwf/S8gKImnkfc+8CBLBz9IrcuQgQCxP1G9K+g+B1gAr0KA/AkT12OGCN090/jI4J530WKPXxwN0f2WXhn82BeVOmfrnxxQIZMYgKWBEldyy2OpWrm0hMyd/w993oU9mfjsk9O2bAULjHmlo8f3xbp36SSbGo5z4C/8kpSAAiGg+lloqcPP3aKC6+54ZqldLMlwg/RMdyx0wOVulxS4oRijWEnMF2+0UprgpNk= 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 72acdeb8c478e..fe6c789f2cecb 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1910,10 +1910,14 @@ 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++; @@ -3400,6 +3404,8 @@ 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