On Tue, 2008-03-18 at 09:17 +0100, Bart Van Assche wrote:
> On Mon, Mar 17, 2008 at 6:07 PM, Boris Shpolyansky <[EMAIL PROTECTED]> wrote:
> > Check :
> >
> > /sys/class/infiniband/[mlx4_*|mthca*]/ports/*/counters/*
>
> Thanks, these are interesting counters. Unfortunately these counters
> are 32-bit counters and already overflowed during the test I ran (less
> than one day of SRP communication):
>
> $ uname -r
> 2.6.24
> $ uname -m
> x86_64
> $ head /sys/class/infiniband/mthca0/ports/1/counters/*_{data,packets}
> ==> /sys/class/infiniband/mthca0/ports/1/counters/port_rcv_data <==
> 4294967295
>
> ==> /sys/class/infiniband/mthca0/ports/1/counters/port_xmit_data <==
> 4294967295
>
> ==> /sys/class/infiniband/mthca0/ports/1/counters/port_rcv_packets <==
> 4294967295
>
> ==> /sys/class/infiniband/mthca0/ports/1/counters/port_xmit_packets <==
> 4294967295
Depending on which fabric management (usually bundled with the SM) is
being used, you may be able to obtain this information via the
Performance Manager (and not be limited to 32 bit counters).
-- Hal
> Bart.
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