[dpdk-stable] [PATCH v2] app/testpmd: fix little perf drop with XL710

[Zhang, Qi Z]

> -----Original Message-----
> From: Li, Xiaoyun
> Sent: Wednesday, July 11, 2018 10:16 AM
> To: Zhang, Qi Z <qi.z.zhang at intel.com>; Lu, Wenzhuo <wenzhuo.lu at intel.com>
> Cc: dev at dpdk.org; Li, Xiaoyun <xiaoyun.li at intel.com>; stable at dpdk.org
> Subject: [PATCH v2] app/testpmd: fix little perf drop with XL710
> 
> There is about 1.8M perf drop with XL710. And it is because of a bitrate
> calculation in the datapath. So improve it by maintaining an array of port
> indexes in testpmd, which is updated with ethdev events.
> 
> Fixes: 8728ccf37615 ("fix ethdev ports enumeration")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Xiaoyun Li <xiaoyun.li at intel.com>

Reviewed-by: Qi Zhang <qi.z.zhang at intel.com>