Re: [PATCH 2/2] writeback: Adding pages_dirtied and pages_entered_writeback
From: Michael Rubin
Date: Thu Aug 05 2010 - 20:12:07 EST
On Thu, Aug 5, 2010 at 4:56 PM, KOSAKI Motohiro
> /proc/vmstat already have both.
> cat /proc/vmstat |grep nr_dirty
> cat /proc/vmstat |grep nr_writeback
> Also, /sys/devices/system/node/node0/meminfo show per-node stat.
> Perhaps, I'm missing your point.
These only show the number of dirty pages present in the system at the
point they are queried.
The counter I am trying to add are increasing over time. They allow
developers to see rates of pages being dirtied and entering writeback.
Which is very helpful.
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