nettrace: add support to print bpf debug info

OpenCloudOS / nettrace

nettrace is a eBPF-based tool to trace network packet and diagnose network problem.

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nettrace: add support to print bpf debug info #39

Closed menglongdong closed 1 year ago

menglongdong commented 1 year ago

eBPF program debug info can be printed to /sys/kernel/debug/tracing/trace if BPF_DEBUG=1 is set when compile and --bpf-debug is added when run the nettrace command.

Signed-off-by: Menglong Dong imagedong@tencent.com