On Thu, Sep 22, 2011 at 04:49:33PM -0700, Neil McKee wrote:
> 
> On Sep 22, 2011, at 4:07 PM, Pravin Shelar wrote:
> 
> > On Thu, Sep 22, 2011 at 1:56 PM, Ben Pfaff <b...@nicira.com> wrote:
> >> It's not so great to have to call netdev_get_stats() for every sflow
> >> packet we send.  Maybe we could rate-limit the calls and cache old
> >> values?
> > 
> > OK, I will keep 1 sec interval for get stats.

...

> The sending of PACKET samples is a different matter.  Is that what
> this is about?  I wasn't sure from the context.  If this is about
> including the sample_pool with every PACKET sample then it's worth
> considering how often it will really be retrieved.  With typical
> settings you will only be generating a handful of samples per
> second, so retrieving the latest sample_pool every time shouldn't be
> too onerous(?)  At any given moment only a small number of
> interfaces will be "hot" and generating samples.

This is about packet samples.

If that's the common case, then, Pravin, let's leave it the way you
had it.

Thanks,

Ben.
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