On Thu, Apr 10, 2014 at 11:06:16AM -0700, Alex Wang wrote:
> This commit uses the 'change_seq' in 'struct netdev' to determine
> whether to update the 'ofport'.  This helps eliminate unnecessary
> update.
> 
> In the experiment of configuring 5K internal port, there is neither
> observable configuration overhead nor additional cpu consumption
> after configuration finishes.  When one internal port state is
> flapped every 0.3 second, this commit reduces the cpu utilization
> of ovs-vswitchd thread from 40 to 12.
> 
> Signed-off-by: Alex Wang <al...@nicira.com>

Very nice results, thank you for measuring.

Acked-by: Ben Pfaff <b...@nicira.com>
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