[openib-general] performance counters in /sys

[Shirley Ma]

On Fri, May 20, 2005 at 10:20:29AM -0600, Ronald G. Minnich wrote:
> yes, that is the accepted thing nowadays. And, boy, is it SLOW. SLOW,
> SLOW, SLOW.
> Open file, read ONE value, close file. Takes a long time. So we've seen 
> that for a number of values you really can't sample at interesting 
rates. 

I haven't looked the performance counters yet. 
netlink is another way to collect info.

Shirley Ma
IBM Linux Technology Center
15300 SW Koll Parkway
Beaverton, OR 97006-6063
Phone(Fax): (503) 578-7638

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