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[66.111.4.230]) by mx.google.com with ESMTPS id z7si7795541qtc.358.2019.04.10.18.36.28 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 10 Apr 2019 18:36:28 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning tobin@kernel.org does not designate 66.111.4.230 as permitted sender) client-ip=66.111.4.230; Authentication-Results: mx.google.com; dkim=pass header.i=@messagingengine.com header.s=fm2 header.b=M1ZFmbQB; spf=softfail (google.com: domain of transitioning tobin@kernel.org does not designate 66.111.4.230 as permitted sender) smtp.mailfrom=tobin@kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.nyi.internal (Postfix) with ESMTP id 6BF279E0B; Wed, 10 Apr 2019 21:36:28 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Wed, 10 Apr 2019 21:36:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=eB8W4ZifzOOx7n477C9lsHSgteznueDWRYbTVC4RGG4=; b=M1ZFmbQB l8VrI8YC1Yy3XLxmknffwzRwR9dHjgdPqNw7SW5dlaNS06jhwH4zNzXuVthx2fUL NRDYLjer9oO4NVBKj4CkR4392zAiHiB1CSqeQpyjzd9xALYEAEjBq08LklQU16WP YVjqcAE4ZlQsnnzyOLQJMwApnu7pH2ksZ0cu+xL4LhCexZqq4bfzysRBfXQj8rpk sPfdeeDiUQ913PZtQ2LjOjPwFjvBO6QbwLUllIaWdGqo44RTK3xDmmI1SN8c+SvS L5QNg82eT5O4X12af8V/lR5bfVDL37byQhJATJbiTNFxdMQVrVlN1m/+Z4iXP4If RGXmXe7atGnwYA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduuddrudekgdegvdcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvffufffkofgjfhgggfestdekredtredttdenucfhrhhomhepfdfvohgsihhn ucevrdcujfgrrhguihhnghdfuceothhosghinheskhgvrhhnvghlrdhorhhgqeenucfkph epuddvgedrudejuddrudelrdduleegnecurfgrrhgrmhepmhgrihhlfhhrohhmpehtohgs ihhnsehkvghrnhgvlhdrohhrghenucevlhhushhtvghrufhiiigvpedt X-ME-Proxy: Received: from eros.localdomain (124-171-19-194.dyn.iinet.net.au [124.171.19.194]) by mail.messagingengine.com (Postfix) with ESMTPA id 9067EE408B; Wed, 10 Apr 2019 21:36:20 -0400 (EDT) From: "Tobin C. Harding" To: Andrew Morton Cc: "Tobin C. Harding" , Roman Gushchin , Alexander Viro , Christoph Hellwig , Pekka Enberg , David Rientjes , Joonsoo Kim , Christopher Lameter , Matthew Wilcox , Miklos Szeredi , Andreas Dilger , Waiman Long , Tycho Andersen , "Theodore Ts'o" , Andi Kleen , David Chinner , Nick Piggin , Rik van Riel , Hugh Dickins , Jonathan Corbet , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH v3 06/15] tools/vm/slabinfo: Add defrag_used_ratio output Date: Thu, 11 Apr 2019 11:34:32 +1000 Message-Id: <20190411013441.5415-7-tobin@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190411013441.5415-1-tobin@kernel.org> References: <20190411013441.5415-1-tobin@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Add output for the newly added defrag_used_ratio sysfs knob. Signed-off-by: Tobin C. Harding --- tools/vm/slabinfo.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/vm/slabinfo.c b/tools/vm/slabinfo.c index d2c22f9ee2d8..ef4ff93df4cc 100644 --- a/tools/vm/slabinfo.c +++ b/tools/vm/slabinfo.c @@ -34,6 +34,7 @@ struct slabinfo { unsigned int sanity_checks, slab_size, store_user, trace; int order, poison, reclaim_account, red_zone; int movable, ctor; + int defrag_used_ratio; int remote_node_defrag_ratio; unsigned long partial, objects, slabs, objects_partial, objects_total; unsigned long alloc_fastpath, alloc_slowpath; @@ -549,6 +550,8 @@ static void report(struct slabinfo *s) printf("** Slabs are destroyed via RCU\n"); if (s->reclaim_account) printf("** Reclaim accounting active\n"); + if (s->movable) + printf("** Defragmentation at %d%%\n", s->defrag_used_ratio); printf("\nSizes (bytes) Slabs Debug Memory\n"); printf("------------------------------------------------------------------------\n"); @@ -1279,6 +1282,7 @@ static void read_slab_dir(void) slab->deactivate_bypass = get_obj("deactivate_bypass"); slab->remote_node_defrag_ratio = get_obj("remote_node_defrag_ratio"); + slab->defrag_used_ratio = get_obj("defrag_used_ratio"); chdir(".."); if (read_slab_obj(slab, "ops")) { if (strstr(buffer, "ctor :")) -- 2.21.0