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 60098401A37; Thu, 14 May 2026 14:09:21 +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=1778767761; cv=none; b=sXtItBm6lBO2gogy1UDliiDY5rXOyVsJmitXr+ZGT5wtFbIhtTK4fUO2T5kxQUaa1d7LwHa5gm8+zATdcYZvRrmmJA65AuWS11Ox1aZAn+6yDfIUygrkmIJL9bK4r0wnhnJsoAziFyr7D2rlQ2MxC2aRUW9LaF5D6iiQ7oPkvg8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778767761; c=relaxed/simple; bh=SGvDGH8HeHXn8zTVaCZsyhJzQGptwbmD0KfHLczQ4ao=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kXD1tuJ2gr8xG1N1m90s1mjkzhVaoaWe1CBqeoeYqBpcyBLFreou4VCuLocAoZ3YrNCsxrQ2SU9metRLMAdUt5R92WKGPx616x0O7v61j8OJom3RYqz4cWv/cCZHnQt4QGOfaiORnobeZt6ylbbpoEnYI7o4dokfGiwbGPG8U/0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TSxFk+bb; 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="TSxFk+bb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 64246C2BCC7; Thu, 14 May 2026 14:09:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778767760; bh=SGvDGH8HeHXn8zTVaCZsyhJzQGptwbmD0KfHLczQ4ao=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TSxFk+bbIJ21MwYKBtiVCAORutbQ0qsh59pDgQMMBT6Jjm2t9L8OffX/GZ3fEqHpn J7LxEhj0pPWxKuLFSOlUSZEtTC1YUE6XsusV8x/g8X+2m+it5qU0b7MSzmFcrnSx2d 2GJ5u/ivLnq72A6gIsBONUtwAlaJrtqU2eQUPoo7fUxDwRlcCrE2epC2YCdHuXZoCv Lb418mWzR0q7ApNNOppcHUMK28BlQfF3elCubjVvpJ9M5r+adADmphEhjswa8yCin8 FU6oz0jdyfLF10poeCbdzylDNZiyCDld43ltKUQgYDTcIHdV0M/IsL/8wRlnPDrPi/ xpwlRpY30sbkA== 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 v2.1 07/28] mm/damon/core: do data attributes monitoring Date: Thu, 14 May 2026 07:08:40 -0700 Message-ID: <20260514140904.119781-8-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260514140904.119781-1-sj@kernel.org> References: <20260514140904.119781-1-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 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