From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wu Fengguang Subject: Re: [PATCH 4/5] writeback: Adding /sys/devices/system/node//vmstat Date: Mon, 13 Sep 2010 11:02:56 +0800 Message-ID: <20100913030256.GC7697@localhost> References: <1284323440-23205-1-git-send-email-mrubin@google.com> <1284323440-23205-5-git-send-email-mrubin@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "linux-kernel@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "linux-mm@kvack.org" , "jack@suse.cz" , "riel@redhat.com" , "akpm@linux-foundation.org" , "david@fromorbit.com" , "kosaki.motohiro@jp.fujitsu.com" , "npiggin@kernel.dk" , "hch@lst.de" , "axboe@kernel.dk" To: Michael Rubin Return-path: Content-Disposition: inline In-Reply-To: <1284323440-23205-5-git-send-email-mrubin@google.com> Sender: owner-linux-mm@kvack.org List-Id: linux-fsdevel.vger.kernel.org On Mon, Sep 13, 2010 at 04:30:39AM +0800, Michael Rubin wrote: > For NUMA node systems it is important to have visibility in memory > characteristics. Two of the /proc/vmstat values "nr_cleaned" and s/nr_cleaned/nr_written/ > "nr_dirtied" are added here. > > # cat /sys/devices/system/node/node20/vmstat > nr_cleaned 0 ditto > nr_dirtied 0 > > Signed-off-by: Michael Rubin Reviewed-by: Wu Fengguang > +static ssize_t node_read_vmstat(struct sys_device *dev, > + struct sysdev_attribute *attr, char *buf) > +{ > + int nid = dev->id; > + return sprintf(buf, > + "nr_written %lu\n" > + "nr_dirtied %lu\n", > + node_page_state(nid, NR_WRITTEN), > + node_page_state(nid, NR_FILE_DIRTIED)); > +} Do you have plan to port more vmstat_text[] items? :) Thanks, Fengguang -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org