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| author |   Wang Nan <wangnan0@huawei.com> | 2016-07-13 10:44:02 +0000 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-13 23:09:02 -0300 |
| commit | 705fa2190dfb3d02f83adcd1abdb4e7dc3434597 (patch) | |
| tree | 3ebba97ae06aa134af99ceb31ec365025d56a489 /tools/lib/bpf/libbpf.h | |
| parent | tools lib bpf: New API to adjust type of a BPF program (diff) | |
| download | linux-dev-705fa2190dfb3d02f83adcd1abdb4e7dc3434597.tar.xz linux-dev-705fa2190dfb3d02f83adcd1abdb4e7dc3434597.zip | |
tools lib bpf: Report error when kernel doesn't support program type
Now libbpf support tracepoint program type. Report meaningful error when kernel
version is less than 4.7.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1468406646-21642-3-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | tools/lib/bpf/libbpf.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index eb2a4c45f6b6..dd7a513efb10 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -39,6 +39,7 @@ enum libbpf_errno { LIBBPF_ERRNO__VERIFY, /* Kernel verifier blocks program loading */ LIBBPF_ERRNO__PROG2BIG, /* Program too big */ LIBBPF_ERRNO__KVER, /* Incorrect kernel version */ + LIBBPF_ERRNO__PROGTYPE, /* Kernel doesn't support this program type */ __LIBBPF_ERRNO__END, }; |