Re: [dpdk-dev] [PATCH v3 1/2] net/octeontx2: fix ptp performance issue

> -Original Message- > From: Harman Kalra > Sent: Sunday, July 28, 2019 2:40 PM > To: Pavan Nikhilesh Bhagavatula ; Jerin Jacob > Kollanukkaran ; Nithin Kumar Dabilpuram > ; Kiran Kumar Kokkilagadda > > Cc: dev@dpdk.org; Harman Kalra > Subject: [PATCH v3 1/2] net/octeontx2: fix ptp perfo

[dpdk-dev] [PATCH v3 1/2] net/octeontx2: fix ptp performance issue

A huge drop in per core MPPS value was observed when PTP stack is enabled. The reason behind the bottleneck is HW serialises the transfer of all SQEs, which seeks timestamp capture, on the same send DMA path. Hence only those packets which requires timestamp capture should set SETTSTAMP in send mem