Disk Statistics Help

Hi,
I 'm trying to get the following information related to disk statistics:
%Busy[]
Blks/Sec[]
BlkReads/Sec[]
BlkWrites/Sec[]
I/Os/Sec[]
Rds/Sec[]
Wrs/Sec[]
AvgServ[]
AvgWait[]
AvgQlen[]
OldQlen[]
Degradation/Sec[]
I need to get this information from /dev/kmem/ without using kstat. But I'm not sure which structure holds these information. I would really appreciate any guidance regarding these statistics.
Thanks.
Regards,
Shine

man kstat(3K) should help...
Ilya.

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