[ofa-general] IB performance stats (revisited)

[Hal Rosenstock]

On Wed, 2007-06-27 at 11:00, Mark Seger wrote:
> >>
> >> Doesn't have the same problem as doing it the PMA way ? Doesn't this
> >> impact other performance managers ?
> >
> It just occurred to me, how can other performance managers report 
> aggregate throughput if the counters don't wrap?  They'll have exactly 
> the same problem as me unless they're getting the counters elsewhere.  I 
> do recall some switch vendors recommending I ask the switch for the 
> counters which they maintain locally but I find that to expensive AND I 
> don't want to have to rely on the network as I'd mentioned in my 
> previous reply.

The performance managers deal with the counter stickiness (by resetting
them when they think they need to). They typically export their data
although this is not specified by IBA so it is in a vendor proprietary
manner.

-- Hal

> -mark
> 
>