On Mon, Feb 22, 2021 at 7:34 AM grantseltzer <[email protected]> wrote:
>
> This adds the CONFIG_DEBUG_INFO_BTF kernel compile option to output of
> the bpftool feature command. This is relevant for developers that want
> to use libbpf to account for data structure definition differences
> between kernels.
>
> Signed-off-by: grantseltzer <[email protected]>
Signed-off-by should have a properly capitalized (where it makes
sense) real name of the author. Is it Grant Seltzer then?
> ---
> tools/bpf/bpftool/feature.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/tools/bpf/bpftool/feature.c b/tools/bpf/bpftool/feature.c
> index 359960a8f..b90cc6832 100644
> --- a/tools/bpf/bpftool/feature.c
> +++ b/tools/bpf/bpftool/feature.c
> @@ -336,6 +336,8 @@ static void probe_kernel_image_config(const char
> *define_prefix)
> { "CONFIG_BPF_JIT", },
> /* Avoid compiling eBPF interpreter (use JIT only) */
> { "CONFIG_BPF_JIT_ALWAYS_ON", },
> + /* Kernel BTF debug information available */
> + { "CONFIG_DEBUG_INFO_BTF", },
How about checking CONFIG_DEBUG_INFO_BTF_MODULES as well (i.e.,
"Kernel module BTF information is available")?
>
> /* cgroups */
> { "CONFIG_CGROUPS", },
> --
> 2.29.2
>
