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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi! I am using a Intel E810-XXVDA4 and DPDK version 19.11. During troubleshooti= ng we have captures outgoing traffic with dpdk-pdump: dpdk-pdump -- --pdump 'port=3D1,queue=3D*,tx-dev=3D/tmp/tx.pcap I have opened the pcap-file in wireshark and I can see that some packets ar= e delayed. However, system behavior indicates that the delays I see in the = pcap file are not correct, they are too big. My questions is, how is the ti= mestamp on packets in the pcap from dpdk-pdump created, like NIC HW generat= ed, CPU time at disk write etc. or something else? Are there any run-time o= r build-time options to change the source of the timestamps? / Mikael --_000_DU0PR04MB92261EA274F5EC329FE4E6CBA6C59DU0PR04MB9226eurp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi!

I am using a Intel E810-XXVDA4 and DPDK version 19.11. During troublesho= oting we have captures outgoing traffic with dpdk-pdump:

dpdk-pdump -- --pdump 'port=3D1,q= ueue=3D*,tx-dev=3D/tmp/tx.pcap

I have opened the pcap-file in wireshark and I can see that some packets= are delayed. However, system behavior indicates that the delays I see in t= he pcap file are not correct, they are too big. My questions is, how is the= timestamp on packets in the pcap from dpdk-pdump created, like NIC HW generated, CPU time at disk write etc= . or something else? Are there any run-time or build-time options to change= the source of the timestamps?

  / Mikael

 

 

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