[ofa-general] IB performance stats (revisited)

Eitan Zahavi eitan at mellanox.co.il
Thu Jun 28 00:24:59 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.
Private talks - I hope they will speak up for themselves now...
> 
> > 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.
Exactly. OK when is that coming?
> 
> >  Another drawback if that
> > no naming is provided and the reporting uses GUIDs.
> 
> Naming is provided via NodeDescription.
This might be good for hosts but is not covering  switches ...
> 
> > 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.
Good. When is it expected? Will it be OFED 1.3?

Thanks
> 
> -- 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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> > > 
> 
> 



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