[dpdk-dev] [PATCH v3] app/testpmd: fix little perf drop

Lu, Wenzhuo wenzhuo.lu at intel.com
Mon Jul 16 05:02:10 CEST 2018


Hi,

> -----Original Message-----
> From: Li, Xiaoyun
> Sent: Thursday, July 12, 2018 3:56 PM
> 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 v3] app/testpmd: fix little perf drop
> 
> There is about 3% perf drop. 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>
Acked-by: Wenzhuo Lu <wenzhuo.lu at intel.com>


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