libbpf-tools: Allow biosnoop to run on old kernels #4549
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michael-chuh
requested review from
drzaeus77,
goldshtn,
yonghong-song,
4ast,
brendangregg and
davemarchevsky
as code owners
Fallback to use kprobes if kernel lacks support for fentry/fexit. Signed-off-by: mickey_zhu <[email protected]>
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Fallback to use kprobes if kernel lacks support for fentry/fexit.