On Tue, Sep 30, 2014 at 02:39:28AM +0000, Ma, Jianpeng wrote:
> Hi all,
> I want to count the total read inode from disk.
XFS already does that for you:
$ pminfo -tf xfs.inode_ops.ig_missed
xfs.inode_ops.ig_missed [number of failed in memory inode lookup operations]
value 1835354
$
And that's the number read from disk as reported by PCP. If you
don't have PCP:
$ awk '/ig/ {print $5}' /proc/fs/xfs/stat
1835354
$
Cheers,
Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
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