tools/bpftool: show btf id in program information
Let's add a way to know whether a program has btf context. Patch adds 'btf_id' in the output of program listing. When btf_id is present, it means program has btf context. Sample output: user@test# bpftool prog list 25: xdp name xdp_prog1 tag 539ec6ce11b52f98 gpl loaded_at 2019-04-10T11:44:20+0900 uid 0 xlated 488B not jited memlock 4096B map_ids 23 btf_id 1 Signed-off-by:Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Acked-by:
Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by:
Daniel Borkmann <daniel@iogearbox.net>
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