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hdparm performance tests wrong!?: msg#00248

linux.busybox

Subject: hdparm performance tests wrong!?

Hi there,

hdparm in busybox-1.00-pre2 gives me

~ # hdparm -tT /dev/hda

/dev/hda:
Timing buffer-cache reads: 84 MB in 2.08 seconds = 40.38 MB/sec
Timing buffered disk reads: 8 MB in 3.82 seconds = 2.09 MB/sec

on my MPC8xx system.

But my original hdparm.orig v5.2 shows

~ # hdparm.orig -tT /dev/hda

/dev/hda:
Timing buffer-cache reads: 128 MB in 6.35 seconds = 20.16 MB/sec
Timing buffered disk reads: 64 MB in 27.39 seconds = 2.34 MB/sec

which I think is (more) correct!

Steven


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