can I measure IO per process?

> I'm currently running on RedHat AS3. On one of our boxes I noticed the CPU
> was spending most of its time with 'wait io' (wa column in vmstat was
> 85%-95%). The servicetime as seen from iostat -dk -x was also high, so
> this was a problem. What I couldn't figure out, and what would be very
> useful, was how to associate the io with specific processes. Is there a
> way to do this?
>
> Thanks.
>
> Henry
>

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