racker/virgo — pull request #341 by Kami (2013-01-23 23:49:32+00:00)
Title: Every metric except 'files' is in KB.

```
$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/md2 691G 6.0G 650G 1% /
udev 12G 4.0K 12G 1% /dev
tmpfs 4.8G 312K 4.8G 1% /run
none 5.0M 0 5.0M 0% /run/lock
none 12G 0 12G 0% /run/shm
cgroup 12G 0 12G 0% /sys/fs/cgroup
/dev/md1 496M 84M 387M 18% /boot
```

test check output:

```
free_files
45520053 (type: l)
total
724198344 (type: l)
avail
681510324 (type: l)
free
718007812 (type: l)
files
45629440 (type: l)
used
6190532 (type: l)
```