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 175911E1A17; Mon, 6 Jan 2025 19:34:16 +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=1736192057; cv=none; b=pN1SxQxLg5uVLScTvkQiwGY6wmv/n+o6TNqdiwS3YSzq7OU5FVMf8HYJW+DqZ+ZIe80532uPu9FtiDX0ZpZFywNsdQTe+X47SuggCk+CYS8/LemuBhNjrpJk/5bwXAtsh3tUQ6MSa8LzT5ZeQUpCKp0zmtKwDrLIyiZ+r5XiwpY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736192057; c=relaxed/simple; bh=ftF2xdlxRC1hxynZygPWzsGSDwQOUYQsL2NA51xCWlQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=cbmFI1npT2IiI5ByakyeHXPDWA2Ywdl7UpJMgjM92aLvcHM7/H1kv9mKOoK4aPXzJLafYniU//TFsLGxz7eBD+JyKp8LN8k6NTJl/sYaf+pt+TYRGm/v67jrZ2GNkThtdrSiq69soizUe0dN/dCdOgct8P4LCsCJLPmxc4C36Jw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AaxbcO1N; 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="AaxbcO1N" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7E02DC4CED2; Mon, 6 Jan 2025 19:34:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736192056; bh=ftF2xdlxRC1hxynZygPWzsGSDwQOUYQsL2NA51xCWlQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AaxbcO1N74CCY8kGmY2WADbvphzHKKpytGuMvPR+8lLiwQOlrunTi2X5WMv8mkVzG MLg4dKAmhV42dJUeoYrmpyEEFHWwH4mF2COFSKwS+2FCZTgnDRIgqNipLyjJSyILbP CP6qSW5byI7JNIOoaTR3LSLiNLPhjLq2ky0gOcp7FimS5C4ttM/18Piv75DbSK44U9 4UqSZPGvVZV5I5rTJE4KWmziN/MC3hgZV1MwI6NTDDdJo4C/BBCNCD0ZKGFQaTV2VL y64Bw8WUbCxqcI2O94lTR0AUQ/Kf6C5bLiyD+T1mWvpdcpgZmnQocTuL7F5MQzw6gp oVSWWuDz05Xwg== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 08/16] mm/damon/syfs-schemes: implement per-scheme filter-passed bytes stat Date: Mon, 6 Jan 2025 11:33:53 -0800 Message-Id: <20250106193401.109161-9-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250106193401.109161-1-sj@kernel.org> References: <20250106193401.109161-1-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 Add a new DAMON sysfs interface file under scheme stat directory, namely 'sz_ops_filter_passed'. It represents total bytes that passed region-internal DAMOS filters of the scheme that handled by the DAMON operations set layer. Signed-off-by: SeongJae Park --- mm/damon/sysfs-schemes.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index 5c4490b97258..b447c412b02c 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -188,6 +188,7 @@ struct damon_sysfs_stats { unsigned long sz_tried; unsigned long nr_applied; unsigned long sz_applied; + unsigned long sz_ops_filter_passed; unsigned long qt_exceeds; }; @@ -232,6 +233,15 @@ static ssize_t sz_applied_show(struct kobject *kobj, return sysfs_emit(buf, "%lu\n", stats->sz_applied); } +static ssize_t sz_ops_filter_passed_show(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + struct damon_sysfs_stats *stats = container_of(kobj, + struct damon_sysfs_stats, kobj); + + return sysfs_emit(buf, "%lu\n", stats->sz_ops_filter_passed); +} + static ssize_t qt_exceeds_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { @@ -258,6 +268,9 @@ static struct kobj_attribute damon_sysfs_stats_nr_applied_attr = static struct kobj_attribute damon_sysfs_stats_sz_applied_attr = __ATTR_RO_MODE(sz_applied, 0400); +static struct kobj_attribute damon_sysfs_stats_sz_ops_filter_passed_attr = + __ATTR_RO_MODE(sz_ops_filter_passed, 0400); + static struct kobj_attribute damon_sysfs_stats_qt_exceeds_attr = __ATTR_RO_MODE(qt_exceeds, 0400); @@ -266,6 +279,7 @@ static struct attribute *damon_sysfs_stats_attrs[] = { &damon_sysfs_stats_sz_tried_attr.attr, &damon_sysfs_stats_nr_applied_attr.attr, &damon_sysfs_stats_sz_applied_attr.attr, + &damon_sysfs_stats_sz_ops_filter_passed_attr.attr, &damon_sysfs_stats_qt_exceeds_attr.attr, NULL, }; @@ -2077,6 +2091,8 @@ void damon_sysfs_schemes_update_stats( sysfs_stats->sz_tried = scheme->stat.sz_tried; sysfs_stats->nr_applied = scheme->stat.nr_applied; sysfs_stats->sz_applied = scheme->stat.sz_applied; + sysfs_stats->sz_ops_filter_passed = + scheme->stat.sz_ops_filter_passed; sysfs_stats->qt_exceeds = scheme->stat.qt_exceeds; } } -- 2.39.5