[openib-general] Re: performance counters in /sys

[Sean Hefty]

Mark Seger wrote:
> I guess the thing that has me mystified about all this is I can 
> certainly appreciate the potential 'goodness' of having 1 var/file for 
> user oriented access but perhaps one of the better examples of why this 
> is just a bad idea for programmatic access is the individual process 
> stats.  Is the implication of this that some day those too would be 
> moved to /sys as one stat per file?!?  Can you imaging trying to run top 
> or ps if that were to happen?

Are there any performance counters that aren't available through the PMA 
MADs?  If not, is there any reason why the PMA interface shouldn't be used 
for programmatic access?

- Sean