On Fri, 8 Apr 2022 06:50:36 +0000 "[email protected]" <[email protected]> wrote:
> Question about dpdk-pdump ring buffer > > With updating from 21.08 to 21.11, The packet capture is failed. > Previously(21.08) it works fine. > > I want to know 2 things > a)the difference of dpdk-pdump between 21.08 and 21.11 (seems bpf changes) > b)where pcap capture the ring buffer for secondary process? > > The output is coming from print_pdump_stats function is zero for 3 > parameters.(N.B.1) > Above parameters are counted on pdump_rxtx function.(it is zero on this > function also) > The ring seems copied under mp_handle (process_msg) or mp_pdump. > > P.S. > I understand dpdk-pdump seems to be deprecated by introducing dpdk-dumpcap. > > Reference > https://doc.dpdk.org/guides/prog_guide/pdump_lib.html > https://doc.dpdk.org/guides/prog_guide/multi_proc_support.html > > N.B.1 > > ##### PDUMP DEBUG STATS ##### > -packets dequeued: 0 > -packets transmitted to vdev: 0 > -packets freed: 0 > > Thanks in advance > > Atsushi SAKAI What is the application, is it built wit 21.11? Note: You can't mix DPDK versions. The ring is internal structure so both application and pdump must be built from same version.
