OK, here is the updated ti-tests suite first. 
 
Changes:

- dd loops show now Real, System, User times one per line.
 
  R 0.17 S 0.07 U 0.00

- diskstat function kindly provided by Martin Josefsson
  
  row     reads   rmerge  rsect   rms     writes  wmerge  wsect   wms     io      ms      ms2
  1681    14      0       160     5227    90      6050    48704   23501   0       1183    23375

- Updated README-TI file included in archive
- Minor bug fixes and cleanups and 0 command speed up
- sleep function to help witj placing xterms
- clean and distclean functions

Usage example - Run 4 dd write loops @ 5000 4K blocks, show diskstat, show status such as vmstat, ps-a, messages.

$ ti ddw 4 5000 sleep 3 diskstat hda sleep 3 stat

Improved usage example - add 10 unixbench tests

$ ti ddw 4 5000 sleep 3 diskstat hda sleep 3 stat sleep 3 ub10

Please refer to README-TI in archive.

Regards
Michael