diff options
Diffstat (limited to 'tools/bpf/bpftool/main.c')
| -rw-r--r-- | tools/bpf/bpftool/main.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/tools/bpf/bpftool/main.c b/tools/bpf/bpftool/main.c index 1ac1fc520e6a..d74293938a05 100644 --- a/tools/bpf/bpftool/main.c +++ b/tools/bpf/bpftool/main.c @@ -10,6 +10,7 @@ #include <string.h> #include <bpf.h> +#include <libbpf.h> #include "main.h" @@ -77,6 +78,13 @@ static int do_version(int argc, char **argv) return 0; } +static int __printf(2, 0) +print_all_levels(__maybe_unused enum libbpf_print_level level, + const char *format, va_list args) +{ + return vfprintf(stderr, format, args); +} + int cmd_select(const struct cmd *cmds, int argc, char **argv, int (*help)(int argc, char **argv)) { @@ -317,6 +325,7 @@ int main(int argc, char **argv) { "bpffs", no_argument, NULL, 'f' }, { "mapcompat", no_argument, NULL, 'm' }, { "nomount", no_argument, NULL, 'n' }, + { "debug", no_argument, NULL, 'd' }, { 0 } }; int opt, ret; @@ -332,7 +341,7 @@ int main(int argc, char **argv) hash_init(map_table.table); opterr = 0; - while ((opt = getopt_long(argc, argv, "Vhpjfmn", + while ((opt = getopt_long(argc, argv, "Vhpjfmnd", options, NULL)) >= 0) { switch (opt) { case 'V': @@ -362,6 +371,9 @@ int main(int argc, char **argv) case 'n': block_mount = true; break; + case 'd': + libbpf_set_print(print_all_levels); + break; default: p_err("unrecognized option '%s'", argv[optind - 1]); if (json_output) |