On 6/22/2020 10:04 AM, Phil Yang wrote:
> In txonly and flowgen forwarding mode, calculating CPU per packets with
> total received packets is not accurate. Use total transmitted packets
> for these cases.
>
> The error output under txonly mode:
> testpmd> show fwd stats all
>
> ---------------------- Forward statistics for port 0 -------------------
> RX-packets: 0 RX-dropped: 0 RX-total: 0
> TX-packets: 3582891927 TX-dropped: 401965824 TX-total: 3984857751
> TX-bursts : 86381636 [0% of 0 pkts + 85% of 64 pkts + 15% of 32 pkts]
> -------------------------------------------------------------------------
>
> ---------------------- Forward statistics for port 1 -------------------
> RX-packets: 1 RX-dropped: 394351696 RX-total: 394351697
> TX-packets: 3582890632 TX-dropped: 401965568 TX-total: 3984856200
> TX-bursts : 86381679 [0% of 0 pkts + 85% of 64 pkts + 15% of 32 pkts]
> -------------------------------------------------------------------------
>
> +++++++++++++++ Accumulated forward statistics for all ports+++++++++++++
> RX-packets: 1 RX-dropped: 394351696 RX-total: 394351697
> TX-packets: 7165782559 TX-dropped: 803931392 TX-total: 7969713951
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
> CPU cycles/packet=54984156291.00 \
> (total cycles=54984156291 / total RX packets=1) at 200 MHz Clock
>
> Fixes: 53324971a14e ("app/testpmd: display/clear forwarding stats on demand")
> Cc: [email protected]
>
> Signed-off-by: Phil Yang <[email protected]>
> Reviewed-by: Ruifeng Wang <[email protected]>
> Reviewed-by: Honnappa Nagarahalli <[email protected]>
Tested-by: Ferruh Yigit <[email protected]>
Applied to dpdk-next-net/master, thanks.
