pub fn run_random(
vmo: Vmo,
file_proxy: &FileSynchronousProxy,
op_size_bytes: usize,
file_size_bytes: u64,
read_percentage: u32,
fsync_every_n_ops: u64,
rate_mibs: u64,
seed: u64,
stop_signal: Arc<AtomicBool>,
metrics: &mut Metrics,
) -> Result<()>