" -r <int> : Runtime in seconds, default %s\n"
" -R <bool> : Use random IO, default %d\n"
" -a <bool> : Use legacy aio, default %d\n"
- " -S <bool> : Use sync IO (preadv2), default %d"
+ " -S <bool> : Use sync IO (preadv2), default %d\n"
" -X <bool> : Use registered ring %d\n",
argv, DEPTH, BATCH_SUBMIT, BATCH_COMPLETE, BS, polled,
fixedbufs, dma_map, register_files, nthreads, !buffered, do_nop,