Messages in this thread | | | Date | Mon, 13 Sep 2010 11:02:56 +0800 | From | Wu Fengguang <> | Subject | Re: [PATCH 4/5] writeback: Adding /sys/devices/system/node/<node>/vmstat |
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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 <mrubin@google.com>
Reviewed-by: Wu Fengguang <fengguang.wu@intel.com>
> +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
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