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b=aTRBdK/2U3yntQylTgNKqIttVqxCUE3i+E4RHYiq5BGShm5gYKI9lXdpgIG+21tIk /7KmfS3xmC2nVEkKgiFZsJuvygaXRI01ala5hy6z3ZgMSQ+DLOTrEZX+4xClsbHgsc gzs9XEFLxs7viJvj585MSs59aGhoTgBLQjRmb153PNpkemLfR/qoswyWrfXLbWbPRQ mcsbH30utTdYkhvxBQopPL/RhH4AKdX/W6tcjbEzyB3HK+AI0HAurxBQ/5fE7BMtxd YjElo4oWhhqZOSVFxLLON9/MwmI6QCRYjFt/okmA3yjTS3o709v9vGQXLrCnBPCCx2 4CNfgwSSHq17A== 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 07/19] mm/damon/core: do data attributes monitoring Date: Sun, 26 Apr 2026 13:52:08 -0700 Message-ID: <20260426205222.93895-8-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260426205222.93895-1-sj@kernel.org> References: <20260426205222.93895-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: 4D8C1A0002 X-Rspamd-Server: rspam04 X-Stat-Signature: 8yt7ozwdrqzxu9fq6pah3kzftcengkwi X-HE-Tag: 1777236758-795918 X-HE-Meta: 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 4nQRAOSM rDRiMtHzBMOZezE40bMIOgOdlZTJK5JkgchvMQ7Qq5hhQXIoTOa4X1KYvtxLqUD8Udrv1VO41jNYwJN3FwGt+DYhjJfwWHzAmg9zU60EwIBhEdKXyK0HuiTfYpqxylZGSrXC+lACYno6/GUzVB9IRR9KZitTi+aHFodp3HjvXR+t+0if0VkdOenaGxWg3GeuCoaoiW/Cm/p2v9++Jds5NR/Ta3z6/vf197AWy3zb931jFh4Q= 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 d4779b647a495..fe14971d72747 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1921,10 +1921,14 @@ 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++; @@ -3288,6 +3292,8 @@ 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