On Thu, Nov 28, 2019 at 11:16 AM Eelco Chaudron <echaudro@xxxxxxxxxx> wrote: > > > > On 28 Nov 2019, at 19:18, Alexei Starovoitov wrote: > > > On Thu, Nov 28, 2019 at 9:20 AM Eelco Chaudron <echaudro@xxxxxxxxxx> > > wrote: > >> > >> Trying out the BPF trace to trace a BPF program, but I’m already > >> getting stuck loading the object with the fexit :( > > > > I can take a look after holidays. > > Enjoy the Holidays!! I figured out my auto kernel install script failed > whiteout me noticing, and I was running an old kernel :( > > I will try tomorrow with the correct kernel… Please also check that you have the latest llvm and pahole. pahole version should be >= 1.13. clang ideally from master. If all that is working then downgrade one by one and bisect whether the bug is. > > >> libbpf: load bpf program failed: Argument list too long > >> libbpf: failed to load program 'fexit/xdp_prog_simple' > >> libbpf: failed to load object './xdp_sample_fentry_fexit_kern.o' > >> ERROR: Failed to load object file: Operation not permitted > > > > please add -vvv and share full output. >
