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Diffstat (limited to 'Documentation/bpf/libbpf/libbpf_overview.rst')
| -rw-r--r-- | Documentation/bpf/libbpf/libbpf_overview.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/bpf/libbpf/libbpf_overview.rst b/Documentation/bpf/libbpf/libbpf_overview.rst index f36a2d4ffea2..f4d22f0c62b0 100644 --- a/Documentation/bpf/libbpf/libbpf_overview.rst +++ b/Documentation/bpf/libbpf/libbpf_overview.rst @@ -219,6 +219,14 @@ compilation and skeleton generation. Using Libbpf-rs will make building user space part of the BPF application easier. Note that the BPF program themselves must still be written in plain C. +libbpf logging +============== + +By default, libbpf logs informational and warning messages to stderr. The +verbosity of these messages can be controlled by setting the environment +variable LIBBPF_LOG_LEVEL to either warn, info, or debug. A custom log +callback can be set using ``libbpf_set_print()``. + Additional Documentation ======================== |