Re: [PATCH bpf-next v2 0/2] bpf: Show target_{obj,btf}_id for tracing link

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2023-05-17 10:31 UTC+0000 ~ Yafang Shao <laoar.shao@xxxxxxxxx>
> The target_btf_id can help us understand which kernel function is
> linked by a tracing prog. The target_btf_id and target_obj_id have
> already been exposed to userspace, so we just need to show them.
> 
> For some other link types like perf_event and kprobe_multi, it is not
> easy to find which functions are attached either. We may support
> ->fill_link_info for them in the future.
> 
> v1->v2:
> - Skip showing them in the plain output for the old kernels. (Quentin)
> - Coding improvement. (Andrii)
> 
> Yafang Shao (2):
>   bpf: Show target_{obj,btf}_id in tracing link fdinfo
>   bpftool: Show target_{obj,btf}_id in tracing link info
> 
>  kernel/bpf/syscall.c     | 11 +++++++++--
>  tools/bpf/bpftool/link.c |  6 ++++++
>  2 files changed, 15 insertions(+), 2 deletions(-)
> 

Acked-by: Quentin Monnet <quentin@xxxxxxxxxxxxx>

Thanks!




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