examples: add a butterfly seek job file
[fio.git] / examples / butterfly.fio
1 # Perform a butterfly/funnel seek pattern. This won't always alternate ends on
2 # every I/O but it will get close.
3
4 [global]
5 filename=/tmp/testfile
6 bs=4k
7 direct=1
8
9 [forward]
10 rw=read
11 flow=2
12 # Uncomment the size= and offset= lines to prevent each direction going past
13 # the middle of the file
14 #size=50%
15
16 [backward]
17 rw=read:-8k
18 flow=-2
19 #offset=50%