Instrumenting disk reads/writes

[Christian Lavoie <clavoie@bmed.mcgill.ca>]

I need to instrument disk read/writes on /etc. Measure, benchmark, figure out 
what's going on. From the earliest possible after booting all the way to the 
latest possible after shutdown.

As for regarding the reads/writes themselves, I wanna answer:

How often? For how long? What data size? How long is the file kept open()'ed?

/etc is part of /, so we're not talking about partition granularity, but 
directory tree granularity.

Any ideas?

Thanx,
Chris

-- 
Maybe computer science ought to be taught in the School of Philosophy

Christian Lavoie, clavoie@bmed.mcgill.ca
http://www.christianlavoie.com
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