bpftool: auto-complete BTF IDs for btf dump

Auto-complete BTF IDs for `btf dump id` sub-command. List of possible BTF
IDs is scavenged from loaded BPF programs that have associated BTFs, as
there is currently no API in libbpf to fetch list of all BTFs in the
system.

Suggested-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Andrii Nakryiko 2019-05-25 17:01:01 -07:00 committed by Daniel Borkmann
parent d9a6f413f8
commit 0d97dacc46
1 changed files with 9 additions and 0 deletions

View File

@ -71,6 +71,12 @@ _bpftool_get_prog_tags()
command sed -n 's/.*"tag": "\(.*\)",$/\1/p' )" -- "$cur" ) )
}
_bpftool_get_btf_ids()
{
COMPREPLY+=( $( compgen -W "$( bpftool -jp prog 2>&1 | \
command sed -n 's/.*"btf_id": \(.*\),\?$/\1/p' )" -- "$cur" ) )
}
_bpftool_get_obj_map_names()
{
local obj
@ -635,6 +641,9 @@ _bpftool()
map)
_bpftool_get_map_ids
;;
dump)
_bpftool_get_btf_ids
;;
esac
return 0
;;