OK, how about this:
% btt -i bp.bin -p pio.txt
...
% less pio.txt
8,32 0.000062589 Q 500384 22
0.000065108 I 500384 22
8,32 0.000066560 Q 500406 10
0.000066964 M 500406 10
0.000163419 D 500384 32
0.005295956 C 500384 32
8,80 0.000089685 Q 500384 22
0.000091863 I 500384 22
8,80 0.000093251 Q 500406 10
0.000093653 M 500406 10
0.000149032 D 500384 32
0.005338638 C 500384 32
8,96 0.000097627 Q 500384 22
0.000100355 I 500384 22
8,96 0.000104798 Q 500406 10
0.000105205 M 500406 10
0.000123277 D 500384 32
0.005413636 C 500384 32
...
So, for each IO we see it's complete chain of commands. each line
contains: (optional) device, time stamp, action-letter, sector number
and numbe rof sectors. (Thus we see that the first Q had 22 sectors, the
second Q had 10 sectors, and they were merged into one 32 sector IO.)
(It is costly - lots of output, but it would be optional.)
Alan
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