Mitja <ajtim@wi.rr.com> writes:
I have UltraDMA/100 for /dev/hda on. I don't know why is CPU % so high.
Bonnie: Warning: You have 501MB RAM, but you test with only 100MB datasize! Bonnie: This might yield unrealistically good results, Bonnie: for reading and seeking and writing. Bonnie 1.4: File './Bonnie.29824', size: 104857600, volumes: 1 Writing with putc()... done: 35403 kB/s 99.0 %CPU Rewriting... done: 323223 kB/s 100.0 %CPU Writing intelligently... done: 327449 kB/s 98.2 %CPU Reading with getc()... done: 44625 kB/s 99.6 %CPU Reading intelligently... done: 722867 kB/s 99.5 %CPU
IMHO because "You have 501MB RAM, but you test with only 100MB datasize". Look at the numbers: no current hard disk has the throughput of 320 MB/s. You test the performance of your memory subsystem instead. -- A.M.