[ofa-general] Re: [PATCH v2] infiniband-diags/scripts: Add 'ibcheckspeed' and 'ibcheckportspeed' to scripts

[Ira Weiny]

On Tue, 15 Sep 2009 16:04:24 +0300
"Eli Dorfman (Voltaire)" <dorfman.eli at gmail.com> wrote:

> Keshetti Mahesh wrote:
> >> Also it would be useful to find all ports in Disable state.
> > 
> > iblinkinfo already does this with '-d' option.
> > 
> It shows all the port that are in Down state - either cable disconnected or port disabled (by ibportstate).
> 
> Eli
>

The -l option was designed to show all the info for each link on a single line to be grepped.  So to look for Disabled links on a 1152 node ftree cluster.

09:37:31 > time ./iblinkinfo -l | grep Disable

real    0m3.041s
user    0m0.026s
sys     0m0.039s

Eli, If you have data for this being slow on a larger cluster I would be interested to know.  

Ira

-- 
Ira Weiny
Math Programmer/Computer Scientist
Lawrence Livermore National Lab
925-423-8008
weiny2 at llnl.gov