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

[Lu, Wenzhuo]

Hi Xiaoyun,


> -----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
What's 1.8M mean? BPS? PPS?
Looks like this patch fixes the CPU consuming problem and has nothing to do with a specific NIC.
2 suggestions.
Just omit XL710, also in the tittle.
Maybe better mentioning how many percent drop but not an accurate number.

Except that, Acked-by: Wenzhuo Lu <wenzhuo.lu at intel.com>


> 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>