
fsperf M | L[SRsr] [ -?U ] ] [-d work_dir] [-v level] [-s size[k|m]]
           [-n nfiles] [-R|W nrecords] [-r rsize] [-w wsize] [-l]
           [-f file ] [-S nsteps]

 Options:
     M           -         Multi-file test
     L...        -         One-file test
     LS          -         sequential write test
     LR          -         random write test
     Ls          -         sequential read test
     Lr          -         random write test
    -U           -         unlink only after test finished
    -d work_dir  -         set work dir
    -v level     -         verbosity level
    -t           -         display the results in a table
    -s size[k|m] -         file size, option: kilo or megabytes
    -n nfiles    -         create nfiles files
    -W nrecords  -         write nrecords during random access test
    -R nrecords  -         read nrecords during random access test
    -r rsize     -         read-record size
    -w wsize     -         write-record size
    -l           -         leave test file
    -f file      -         use file as work file
    -S nsteps    -         test nsteps times doubling record size
    -?           -         help
