Re: Extracting data from tracepoints (and anything else)


Andrii Nakryiko
 

On Wed, Mar 25, 2020 at 11:39 AM <mayfieldtristan@...> wrote:

Take a closer look. libbpf-tools do not use bpf_load.h, that one is
deprecated and its use is discouraged. libbpf-tools rely on
code-generated BPF skeleton. But really, get a close look at
libbpf-tools, it has everything you need to get started.


Will do. Does this mean that, going forward, BPF development will be encouraged to use kernels compiled with "CONFIG_DEBUG_INFO_BTF=y"? I've been using a default build up to now.
Yes. A lot of newer functionality relies on kernel BTF as well. But to
compile portable BPF program you also need kernel BTF (for BPF CO-RE
stuff).

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