Le script a d���but��� sur mer 22 mar 2006 19:12:56 CET
Desktop$ cd ~/kernel
kernel$ 
kernel$  sleep 15 && echo SYNC && sync && echo DD && time dd if=/dev/zero of=toto bs=4M count=25 && echo SYNC && time sync && echo END &
[1] 4657
kernel$  iostat -t 10 /dev/hda8
Linux 2.6.16-rc6-mm2 (antares.localdomain) 	22.03.2006

Heure: 19:13:32
avg-cpu:  %user   %nice %system %iowait   %idle
           5,01    0,02   11,07    4,45   79,46

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8              5,34         0,27       217,58       1297    1026592

Heure: 19:13:42
avg-cpu:  %user   %nice %system %iowait   %idle
           0,10    0,00    0,20    0,20   99,50

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8              0,00         0,00         0,00          0          0

SYNC
DD
Heure: 19:13:52
avg-cpu:  %user   %nice %system %iowait   %idle
           1,50    0,00   79,32    8,29   10,89

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8             20,38         3,20      1202,00         32      12032

Heure: 19:14:02
avg-cpu:  %user   %nice %system %iowait   %idle
           2,30    0,00   81,08   16,62    0,00

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8             33,53         0,00      1398,20          0      13968

Heure: 19:14:12
avg-cpu:  %user   %nice %system %iowait   %idle
           1,90    0,00   88,51    9,59    0,00

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8             25,27         0,00       893,51          0       8944

Heure: 19:14:22
avg-cpu:  %user   %nice %system %iowait   %idle
           3,19    0,00   85,63   11,18    0,00

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8             27,35         0,00      1288,62          0      12912

Heure: 19:14:32
avg-cpu:  %user   %nice %system %iowait   %idle
           0,80    0,00   90,01    9,19    0,00

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8             25,17         0,00       800,00          0       8008

Heure: 19:14:42
avg-cpu:  %user   %nice %system %iowait   %idle
           0,30    0,00   74,93   24,78    0,00

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8             54,35         0,00      3138,46          0      31416

Heure: 19:14:52
avg-cpu:  %user   %nice %system %iowait   %idle
           0,20    0,00   81,62   18,18    0,00

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8             50,75         0,00      1324,28          0      13256

Heure: 19:15:02
avg-cpu:  %user   %nice %system %iowait   %idle
           0,60    0,00   71,60   27,80    0,00

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8             76,30         0,00      2363,20          0      23632

Heure: 19:15:12
avg-cpu:  %user   %nice %system %iowait   %idle
           1,10    0,00   29,77   68,93    0,20

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8            123,78         0,00      3275,12          0      32784

25+0 enregistrements lus.
25+0 enregistrements ���crits.
0.00user 2.94system 1:29.83elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+252minor)pagefaults 0swaps
SYNC
Heure: 19:15:22
avg-cpu:  %user   %nice %system %iowait   %idle
           2,90    0,00   76,60   19,10    1,40

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8             55,10         0,80      1435,20          8      14352

0.00user 0.00system 0:17.41elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+190minor)pagefaults 0swaps
END
Heure: 19:15:32
avg-cpu:  %user   %nice %system %iowait   %idle
           0,10    0,00   31,73   42,14   26,03

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8             94,19         0,00      3402,60          0      33992

Heure: 19:15:42
avg-cpu:  %user   %nice %system %iowait   %idle
           0,10    0,00    0,00    0,10   99,80

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
hda8              0,00         0,00         0,00          0          0


^C
[1]+  Done                    sleep 15 && echo SYNC && sync && echo DD && time dd if=/dev/zero of=toto bs=4M count=25 && echo SYNC && time sync && echo END
kernel$ exit

Script compl���t��� sur mer 22 mar 2006 19:15:46 CET