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| author | Changbin Du <changbin.du@gmail.com> | 2022-12-18 06:35:08 +0800 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2022-12-20 16:09:39 -0800 |
| commit | e6b4e1d759d3bfb7cb84c87cc8f1858da7db8dea (patch) | |
| tree | 8f81adbecba13748e0f6e5c3d49c65a0ffe468ac /tools/lib | |
| parent | 1520e8466d683b6c5e1aa53aa65165ebd5da46cf (diff) | |
| download | linux-e6b4e1d759d3bfb7cb84c87cc8f1858da7db8dea.tar.gz | |
libbpf: Show error info about missing ".BTF" section
Show the real problem instead of just saying "No such file or directory".
Now will print below info:
libbpf: failed to find '.BTF' ELF section in /home/changbin/work/linux/vmlinux
Error: failed to load BTF from /home/changbin/work/linux/vmlinux: No such file or directory
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20221217223509.88254-2-changbin.du@gmail.com
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/bpf/btf.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c index 8cbcef959456..b03250007018 100644 --- a/tools/lib/bpf/btf.c +++ b/tools/lib/bpf/btf.c @@ -1003,6 +1003,7 @@ static struct btf *btf_parse_elf(const char *path, struct btf *base_btf, err = 0; if (!btf_data) { + pr_warn("failed to find '%s' ELF section in %s\n", BTF_ELF_SEC, path); err = -ENOENT; goto done; } |