[Web10g-user] SndLimTime counters are too small

John Estabrook jestabro at illinois.edu
Wed Jan 16 19:32:55 EST 2013


Cool; thanks, Richard !! looking into it...

On 01/16/2013 04:45 PM, Richard Sanger wrote:
> Hey guys,
>
> I'm working on a Web10G version of ndt.
>
> And I've noticed an issue with the latest kernel patch 
> web10G-0.4-3.5-patch
>
> The counters for SndLimTimeRwin & SndLimTimeCwn & SndLimTimeSnd are 
> all 32bit unsigned integers however the are storing time in nano 
> seconds, this means they overrun in ~4 seconds
>
> I'm guessing they should be 64bit integers or use a lower resolution 
> like web100 which uses microseconds (despite documentation saying it's 
> milliseconds).
>
> Cheers,
> Richard
>
>
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-- 
John Estabrook
NCSA

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