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 73D3433985A; Mon, 18 May 2026 23:41:26 +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=1779147686; cv=none; b=Un7c3lzFFaeO/6P9xJ5OCNR1lQ2f+SwDMr69AJghj6/1xbRnTSYdHnr10k0177DgoF3Dylaa0N4AXo+H+bWAKI6j/BnZMK96d06WyivCDIwQSALVO59LRMdqfKfVwtS9HyjDvnzL/6R3G2P5V8rcZ5XIjRQ2ZcORsVQqPbjBrjE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779147686; c=relaxed/simple; bh=EOdiDLw/Fh1yhoztKW51lYed+pEAR0BsIW9TAh1kfRo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jIIghuatINVcXedfBI51c0bN14FrI+yQlPETlUA5jpEN4Q+53o8Oz3azbqVRwZRFplLjN5NokCW+Sb5rCu+2SPr6+A34ZjD+SfT6aCQncr+Qn7a0Qq0VUT5j3NnZabEZ3snsFvRvqX2QS6LXc5C6SYb8nLBoPnS27CC3DgomrvE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JNtF7sqb; 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="JNtF7sqb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 22534C4AF0B; Mon, 18 May 2026 23:41:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1779147686; bh=EOdiDLw/Fh1yhoztKW51lYed+pEAR0BsIW9TAh1kfRo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JNtF7sqbaWtRINKs/9wm8INSXN1Jw85y9a3gFeOXhJASFk2FC7+1/9zS4gFnJMnep Ijk9mRO0bujO7/WL+8XgRvnYe51tmd1qXYPDbsLqDaPCNJmPYmDtal4i1eOJUMYsmx hwktFvtinqKzdvsIAEojku/MdJhEKyOW5KLISSL8atvr35FyfBV4sp2F9QN0jxX4Th +VdbY8tsBKNCztZQnlFyDHma2nh9BVFShz29Ie48U83xGR3Sb78vRx7aGUG6Fbq5aN Y6KY5Dz1eVXmcfPPNxLikOmw56a3F5ZPVNHXI2JPS5co1BH/qO/Oro2J5K5nyVnJSx eF9sOSCkwLkPQ== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 07/28] mm/damon/core: do data attributes monitoring Date: Mon, 18 May 2026 16:40:55 -0700 Message-ID: <20260518234119.97569-8-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260518234119.97569-1-sj@kernel.org> References: <20260518234119.97569-1-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 6dd1bce81ec2a..433da8781e255 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1913,10 +1913,14 @@ 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++; @@ -3410,6 +3414,8 @@ 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