[dpdk-dev] DPDK PDUMP Issue

Varghese, Vipin vipin.varghese at intel.com
Wed Jul 29 02:59:33 CEST 2020


Snipped

> Hi Team,
> 
> With fix suggest in prev mail thread at testpmd side, PDUMP works with
> testpmd.
> 
> However when we try to run our own primary app with PDUMP as a secondary
> process, PDUMP console comes up, however it does not capture any packets.
> 
> Changes made at primary app side:
> 1. PDUMP initialised just after rte eal init:
> 
>   ret_pdump = rte_pdump_init();
>        if (ret_pdump < 0) {
>                printf("rte_pdump_init failed\n");
>        }
>        else
>        {
>                printf("rte_pdump_init success\n");
>        }
> 
> 2. Makefile modified to add all relevant files to be linked:
> 
> LIB_SO     =-L$(DPDK_LIB) -lrte_mbuf -lrte_eal -lnuma -lrte_pmd_pcap -
> lrte_pdump  -lrte_pmd_i40e -lrte_eal -lrte_ring -lrte_mempool -lrte_cryptodev
> -lrte_ethdev -lrte_mbuf -lrte_mempool_ring  -lrte_member  -lrte_eventdev  -
> lrte_bus_vmbus   -lrte_pci  -lrte_bus_pci  -lrte_bus_vdev  -lrte_net  -
> lrte_distributor  -lrte_reorder  -lrte_kni  -lrte_pipeline  -lrte_table  -lrte_timer  -
> lrte_hash  -lrte_jobstats  -lrte_lpm  -lrte_power  -lrte_acl  -lrte_meter  -lrte_sch
> 
> Even tried to link final DPDK lib so as well:
> LIB_SO     =-L$(DPDK_LIB) -Wl,--whole-archive -ldpdk -Wl,--no-whole-archive -
> L/usr/lib/x86_64-linux-gnu/ -fPIC

Ok, I think I have seen similar outcomes in custom Makefiles. Can you execute with `make -n` with the master Makefile and cross the necessary libraries are in bound between `-Wl,--whole-archive` and `-Wl,--no-whole-archive `  (specically for shared libraries). 

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