Kernel statistics package availability?

["Mark Hull-Richter" <mhullrich@xxxxxxxxx>]

Are there any good packages (or just places to look) to observe and
track kernel behavior (other than to add such and build a custom
kernel)?

I'm doing some performance analysis on different types of i/os on
different file systems, and I need far more sophisticated information
than iostat or vmstat produce.  Any useful suggestions would be
appreciated.

Thanks.

--
Mark Hull-Richter
DATAllegro (www.datallegro.com)
85 Enterprise, 2nd Floor, Aliso Viejo, CA  92656  Ofc: 949-680-3082
fax: 949-680-3001
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