[openib-general] sysfs exposure of port counters useless?

[Greg Lindahl]

On Tue, Oct 17, 2006 at 05:18:34PM -0700, Scott Weitzenkamp (sweitzen) wrote:

> I agree the 32-bit byte and packet counters are useless as they get
> pegged in a few seconds on a busy IB networks.  I thought there was an
> effort in IBTA to fix this.

Yes, it's in the management working group.

> For IB counters in a Cisco switch, we read and reset the 32-bit counters
> once per second and keep 64-bit counters internally.  This would be
> possible in OF too, right?

Yep. We keep 64 bit counters internally and dumb them down as required
to meet the standard.

-- greg