Hi,

Thanks for your reply.

>>
> You don't really need to reset for each request. You can just read at the
> beginning and end of each request and compute delta.

Is there any difference in performance between a pfm_read_pmds and
pfm_write_pmds? Resetting the counters with pfm_write_pmds takes care
of overflows, and I do not have to call a pfm_read_pmds for
calculating the delta.

Cheers,
Andrej

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