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| author | Andrii Nakryiko <andrii@kernel.org> | 2023-03-27 11:52:01 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-03-29 17:22:01 -0700 |
| commit | b3c63d7ad81ad6f43921d59af18fc25c64327a74 (patch) | |
| tree | 95cca6dc3e73e4c235936bc514adabcd78db89f1 /tools/testing/selftests/bpf/veristat.c | |
| parent | d6e6286a12e7b8a4ddc66237c4ccf6f531ef1c82 (diff) | |
| download | lwn-b3c63d7ad81ad6f43921d59af18fc25c64327a74.tar.gz lwn-b3c63d7ad81ad6f43921d59af18fc25c64327a74.zip | |
veristat: add -d debug mode option to see debug libbpf log
Add -d option to allow requesting libbpf debug logs from veristat.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230327185202.1929145-3-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/veristat.c')
| -rw-r--r-- | tools/testing/selftests/bpf/veristat.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/veristat.c b/tools/testing/selftests/bpf/veristat.c index 83231456d3c5..263df32fbda8 100644 --- a/tools/testing/selftests/bpf/veristat.c +++ b/tools/testing/selftests/bpf/veristat.c @@ -135,6 +135,7 @@ static struct env { char **filenames; int filename_cnt; bool verbose; + bool debug; bool quiet; int log_level; enum resfmt out_fmt; @@ -169,7 +170,7 @@ static int libbpf_print_fn(enum libbpf_print_level level, const char *format, va { if (!env.verbose) return 0; - if (level == LIBBPF_DEBUG /* && !env.verbose */) + if (level == LIBBPF_DEBUG && !env.debug) return 0; return vfprintf(stderr, format, args); } @@ -186,6 +187,7 @@ static const struct argp_option opts[] = { { NULL, 'h', NULL, OPTION_HIDDEN, "Show the full help" }, { "verbose", 'v', NULL, 0, "Verbose mode" }, { "log-level", 'l', "LEVEL", 0, "Verifier log level (default 0 for normal mode, 1 for verbose mode)" }, + { "debug", 'd', NULL, 0, "Debug mode (turns on libbpf debug logging)" }, { "quiet", 'q', NULL, 0, "Quiet mode" }, { "emit", 'e', "SPEC", 0, "Specify stats to be emitted" }, { "sort", 's', "SPEC", 0, "Specify sort order" }, @@ -212,6 +214,10 @@ static error_t parse_arg(int key, char *arg, struct argp_state *state) case 'v': env.verbose = true; break; + case 'd': + env.debug = true; + env.verbose = true; + break; case 'q': env.quiet = true; break; |