From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 30E0F342514; Sat, 16 May 2026 18:37:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778956647; cv=none; b=NUNPdUVMmXfBudcxFq70FXzesn8SrWs6XtuClafVpXfFcwT55lOgOb4EDm3cher/ypEb2YynJtTvSrTvKp1eedXUIUVJy3I3xoSYSHfcH+zFLZYEUxQPyaPxjclN7Bv0BW3Q4QDfbCxjgV3WfFHPYbkda/N4+rlPeJ1u6w3P6mw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778956647; c=relaxed/simple; bh=uClJ0L17ynWbY4YuI5snfXPDwvcqzODKDGDtrjyzs6M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=q0wKNr1dTJd1Q6AYBNQCrpv9y+oxfhP00SjEjuJQFhOvwQLFD2YdjVIPhCk0VmjOiKW/GK2hVnTv8aUaCYK4LHc4bByNkFAJC0vdzSc2IuSZYg5cvdzYKrXm+Fvkz0VKj8MIK3RSTVu/kHTbHr1HfBWYiReivixziQpLdpmukN0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ahYiYfUu; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ahYiYfUu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B051BC2BCB8; Sat, 16 May 2026 18:37:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778956646; bh=uClJ0L17ynWbY4YuI5snfXPDwvcqzODKDGDtrjyzs6M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; 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> Precedence: bulk X-Mailing-List: damon@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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