[ofa-general] IB performance stats (revisited)

Hal Rosenstock halr at voltaire.com
Wed Jun 27 14:08:18 PDT 2007


On Wed, 2007-06-27 at 14:23, Eitan Zahavi wrote:
> In the last months it is the second time I hear people complaining the
> current monitoring solution in OFA is  integrated with OpenSM.

I must have missed this both times (didn't see this in Mark's post) and
the statement itself is somewhat inaccurate as well.

> These people do not use OpenSM but do use OFED.

I'm not sure I'm following what you mean here.

If you mean that some people want to run PerfMgr without the SM/SA
aspects (so that they can run a vendor based SM), that is the next thing
we are adding to the implementation.

>  Another drawback if that
> no naming is provided and the reporting uses GUIDs.

Naming is provided via NodeDescription.

> I also can't hold myself from saying again I think you are going to hit
> the wall with the concept of doing the PMA from a single node.

If you are referring to the fact the PerMgr is currently not
distributed, that will be done as has been stated before.

-- Hal

> Eitan Zahavi
> Senior Engineering Director, Software Architect
> Mellanox Technologies LTD
> Tel:+972-4-9097208
> Fax:+972-4-9593245
> P.O. Box 586 Yokneam 20692 ISRAEL
> 
>  
> 
> > -----Original Message-----
> > From: general-bounces at lists.openfabrics.org 
> > [mailto:general-bounces at lists.openfabrics.org] On Behalf Of 
> > Hal Rosenstock
> > Sent: Wednesday, June 27, 2007 8:12 PM
> > To: Mark Seger
> > Cc: Finn, Ed; general at lists.openfabrics.org
> > Subject: Re: [ofa-general] IB performance stats (revisited)
> > 
> > On Wed, 2007-06-27 at 13:07, Mark Seger wrote:
> > > >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.
> > > >  
> > > >
> > > so I guess these guys are poor citizens as well...
> > 
> > Not sure what you mean.
> > 
> > > the real issue as I see it then means nobody can trust the data if 
> > > randon tools randomly reset the counters.  a real shame...
> > 
> > I consider this to be a real rather than random app for this. 
> > Guess it depends on what one considers random.
> > 
> > -- Hal
> > 
> > > -mark
> > > 
> > > 
> > 
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