bpf backend does not compile on older kernels

Torsten Polle Torsten.Polle@gmx.de
Mon Nov 20 20:36:00 GMT 2017

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Hi,

the kernel used by me does not define BPF_PROG_TYPE_KPROBE, BPF_PROG_TYPE_KPROBE and BPF_PROG_TYPE_PERF_EVENT. Therefore the compilation of stapbpf.cxx fails, as the check AC_CHECK_HEADERS(linux/bpf.h) in configure.ac does not spot the missing macros.

Kind Regards,
Torsten

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