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 430B92FF66A; Sun, 26 Apr 2026 20:52:37 +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=1777236757; cv=none; b=eibE7KwEHQDmwLP86pkCCy/yCMtcw6yh3zpDDk6+CiNGu9xitFdf5cRmHSO82d83gxi4Dr8syvJwDDXuOX8HtPOi2nLuKtdcoGCePxQh+HnMDbVwTVEmwmEeO51S79IYjVJYTjeXiFInixrzwOmDDhCva4Af1hQbxfE4IqseF2o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777236757; c=relaxed/simple; bh=blGlhx9hlnhuQ75ddAmdhCx+qtv30Q5dipQv2/NkGPw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=U5i1FCtjtcq1KGsnzffXSRgJYsG8GCfei1MyLbdicEVV/baZJbhE10q+dZ8VZ2dPSnd5K4OD+5vkfzFQnPdPp9tdCiAjJYXFnwEwsXuvgl65HBoXBOK9N9u2Km1+1GwUtvXqLJRIK4hiOUa4sAwNfTjBeHcKFlpxeGyQ4ybFgfE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aTRBdK/2; 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="aTRBdK/2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DAF92C2BCB8; Sun, 26 Apr 2026 20:52:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777236757; bh=blGlhx9hlnhuQ75ddAmdhCx+qtv30Q5dipQv2/NkGPw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org 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 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