Just run ./perf-test.py <profile> The format of a profile is [name] option=value The options are directory - This is required, it is the directory used to test in. fs - This is optional, but required if you are going to mkfs the fs each time. mkfs - True/False, defaults to false, we will mkfs the fs at the start of the run mkfs_opts - Options to pass to the mkfs command umount - True/False, defaults to true, we will unmount/mount each time we do a test device - This is required, it is the device that will be mounted/unmounted