On Thu, Jun 13, 2019 at 1:56 PM Matheus Salgueiro Castanho <matheus.castanho@xxxxxxxxxxx> wrote: > > Hi Sebastiano, > > Thanks for the tip. Right now I'm using kernel 5.0, so I tried the > second option with 'perf record' + 'perf report', and it gave me > exactly what I needed. > > After installing the kernel symbols I'm able to see all function > calls, including calls to cls_bpf_classify() and > bpf_xdp_adjust_head(), but I don't see any symbols with the format you > said. > > Am I missing some symbol packages? Could you please try with a newer kernel (e.g., v5.1)? I guess this has been added recently, although I am not able to find the corresponding patch. Moreover, make sure you first run 'perf record -ag' and then load the corresponding eBPF program. Hope this helps. Cheers, Sebastiano > > Thanks, > Matheus Castanho
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