[BusyBox] hdparm performance tests wrong!?
Steven Scholz
steven.scholz at imc-berlin.de
Wed Aug 6 09:17:06 UTC 2003
Erik Andersen wrote:
> On Wed Jul 30, 2003 at 03:29:24PM +0200, Steven Scholz wrote:
>
>>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!
>
>
> I've resynced the -t and -T options with hdparm-5.3
> which seems to produce sensible results,
Tested. Looks good. Thanks.
Steven
More information about the busybox
mailing list