提交 4a3d6c6a 编写于 作者: A Andrii Nakryiko 提交者: Alexei Starovoitov

libbpf: Reduce log level for custom section names

Libbpf is trying to recognize BPF program type based on its section name
during bpf_object__open() phase. This is not strictly enforced and user code
has ability to specify/override correct BPF program type after open.  But if
BPF program is using custom section name, libbpf will still emit warnings,
which can be quite annoying to users. This patch reduces log level of
information messages emitted by libbpf if section name is not canonical. User
can still get a list of all supported section names as debug-level message.
Signed-off-by: NAndrii Nakryiko <andriin@fb.com>
Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20191217234228.1739308-1-andriin@fb.com
上级 fb9a98e1
......@@ -5883,7 +5883,7 @@ int libbpf_prog_type_by_name(const char *name, enum bpf_prog_type *prog_type,
return 0;
}
pr_warn("failed to guess program type from ELF section '%s'\n", name);
pr_debug("failed to guess program type from ELF section '%s'\n", name);
type_names = libbpf_get_type_names(false);
if (type_names != NULL) {
pr_debug("supported section(type) names are:%s\n", type_names);
......@@ -6001,10 +6001,10 @@ int libbpf_attach_type_by_name(const char *name,
*attach_type = section_defs[i].attach_type;
return 0;
}
pr_warn("failed to guess attach type based on ELF section name '%s'\n", name);
pr_debug("failed to guess attach type based on ELF section name '%s'\n", name);
type_names = libbpf_get_type_names(true);
if (type_names != NULL) {
pr_info("attachable section(type) names are:%s\n", type_names);
pr_debug("attachable section(type) names are:%s\n", type_names);
free(type_names);
}
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册