pub fn run_burst(
vmo: Vmo,
file_proxy: &FileSynchronousProxy,
op_size_bytes: usize,
burst_ops_count: usize,
sleep_between_bursts_ms: u64,
periodic_fsync_ms: u64,
read: bool,
rate_mibs: u64,
stop_signal: Arc<AtomicBool>,
metrics: &mut Metrics,
) -> Result<()>