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                                            geonheec

EOPNOTSUPP error at bpf_perf_event_output function

Thanks for answer. > can you please post any snippet to reproduce this? :Can you refer to the **trace_ouput_kern.c & trace_output_user.c** in **linux/samples/bpf** at kernel v5.2 ?? (I'm using kernel...

EOPNOTSUPP error at bpf_perf_event_output function

**trace_output_kern.c** > (-) SEC("kprobe/sys_write") > (+) SEC("kprobe/bio_endio) > > (+) int res; > (-) bpf_perf_event_output(ctx, &my_map, 0, &data, sizeof(data)); > (+) res = bpf_perf_event_output(ctx, &my_map, 0, &data, sizeof(data)); > (+)...