On Wed, May 31, 2023 at 8:31 AM Alexei Starovoitov
<alexei.starovoitov@xxxxxxxxx> wrote:
>
> On Sun, May 28, 2023 at 02:20:22PM +0000, Yafang Shao wrote:
> > Show the already expose kprobe_multi link info in bpftool. The result as
> > follows,
> >
> > $ bpftool link show
> > 2: kprobe_multi prog 11
> > func_cnt 4 addrs ffffffffaad475c0 ffffffffaad47600
> > ffffffffaad47640 ffffffffaad47680
> > pids trace(10936)
> >
> > $ bpftool link show -j
> > [{"id":1,"type":"perf_event","prog_id":5,"bpf_cookie":0,"pids":[{"pid":10658,"comm":"trace"}]},{"id":2,"type":"kprobe_multi","prog_id":11,"func_cnt":4,"addrs":[18446744072280634816,18446744072280634880,18446744072280634944,18446744072280635008],"pids":[{"pid":10936,"comm":"trace"}]},{"id":120,"type":"iter","prog_id":266,"target_name":"bpf_map"},{"id":121,"type":"iter","prog_id":267,"target_name":"bpf_prog"}]
> >
> > $ bpftool link show | grep -A 1 "func_cnt" | \
> > awk '{if (NR == 1) {print $4; print $5;} else {print $1; print $2} }' | \
> > awk '{"grep " $1 " /proc/kallsyms" | getline f; print f;}'
>
> This is not human friendly.
> Either make bpftool print complete info or don't do it all.
>
I will make bpftool print complete info in the next version.
--
Regards
Yafang
