From nobody Fri Dec 19 13:31:37 2025 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 4E3992D3A75; Mon, 8 Dec 2025 06:30:23 +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=1765175423; cv=none; b=u7yAeahZvoTTsytNgVv18W26gwLMxrWejSAFvmflsTEnz0L2iAuZleAkbYh3nACKtr2IFJ+eXtemoGg0S89QE6BPShT9Jl49dgbNgc35nahgkBkCnRbYHUpG6p49Ex+rOEPA0NrS73FXhqYzuthm2ejRHkBqRxJVWiWOYBUuiMc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765175423; c=relaxed/simple; bh=QdvS7fwjEHTygGGbOIz6Ht6d55+sgZP4hFmu5IDrnVM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TK7eAVRzz1ASgTuVSPShQaplVuMxo8+dVbGuz40G9Ji/AY3RAbPhPwMWcunJi6Ypj16fN9TFsuD8teQ99Iv7uUBwPZEbJYLFRGPwxbCcVKTE9YNVMRJ7q2MS2pWs2ygYPRfJv1suC+yybxUIAW7OqSEe8yrxNcGxVAyYL+l981o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CNkul2iS; 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="CNkul2iS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3EB73C4CEF1; Mon, 8 Dec 2025 06:30:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1765175423; bh=QdvS7fwjEHTygGGbOIz6Ht6d55+sgZP4hFmu5IDrnVM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CNkul2iSXsQ14qVswyuoPgh7WhQlrFK6KDpfr49NKoT7+ekP7VI1kiUzeVKw/h8o5 e124ct7G+hZnLujpWYfVlVuivbilZbqhHwqW9M1CxxCFQglSa4MSmyW41DDg2xh5be BJ9RdcHt6Cx3Rkq0Sntjy0EJYIWb9j50EZ30Uz8KVHB4rN7XtcXaPeox7XYH06WWl0 YQ/porikMi9xZ29JGuupPckTOXxHaONboOpTuzcMVLMTCIr37ifXnpcxZc39K7I+Fi dfb+hqPYhzn7NLhLr5NU6dS0k7hRCFxepp0vfR7fQaHALUnedGPYL8BZMOEy0EjnNa wureveNDGsrVA== 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 23/37] mm/damon/sysfs: connect sample filters with core layer Date: Sun, 7 Dec 2025 22:29:27 -0800 Message-ID: <20251208062943.68824-24-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251208062943.68824-1-sj@kernel.org> References: <20251208062943.68824-1-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: quoted-printable Content-Type: text/plain; charset="utf-8" Only basic file operations are implemented for the DAMON sample filters sysfs directory. The user inputs are not really passed to the core layer. Make the connection. Signed-off-by: SeongJae Park --- mm/damon/sysfs.c | 33 ++++++++++++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index d6b0b6513fd1..3aac2aea6b0c 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -1952,6 +1952,35 @@ static inline bool damon_sysfs_kdamond_running( damon_is_running(kdamond->damon_ctx); } =20 +static int damon_sysfs_set_sample_filters( + struct damon_sample_control *control, + struct damon_sysfs_sample_filters *sysfs_filters) +{ + int i, err; + + for (i =3D 0; i < sysfs_filters->nr; i++) { + struct damon_sysfs_sample_filter *sysfs_filter =3D + sysfs_filters->filters_arr[i]; + struct damon_sample_filter *filter; + + filter =3D damon_new_sample_filter( + sysfs_filter->type, sysfs_filter->matching, + sysfs_filter->allow); + if (!filter) + return -ENOMEM; + switch (filter->type) { + case DAMON_FILTER_TYPE_CPUMASK: + filter->cpumask =3D sysfs_filter->cpumask; + break; + default: + break; + } + damon_add_sample_filter(control, filter); + } + return 0; +} + + static int damon_sysfs_set_sample_control( struct damon_sample_control *control, struct damon_sysfs_sample *sysfs_sample) @@ -1960,7 +1989,9 @@ static int damon_sysfs_set_sample_control( sysfs_sample->primitives->page_table; control->primitives_enabled.page_fault =3D sysfs_sample->primitives->page_fault; - return 0; + + return damon_sysfs_set_sample_filters(control, + sysfs_sample->filters); } =20 static int damon_sysfs_apply_inputs(struct damon_ctx *ctx, --=20 2.47.3