Usage: mvprof [options] logfile
Options:
  --help           Display this information
  --version        Display version number and exit
  -p <pid>         Include only log lines from the specified process_id
  -f <filename>    Generate profile output only for compiled file <filename>
                   (may repeat)
  -o <output>      Write output to <output>
  -M               Profile MivaScript functions only
  -B               Profile builtin functions only
  -F               Output flat profile only (suppress call graph)
  -G               Output call graph only (suppress flat profile)