Commit b3c63d7a authored by Andrii Nakryiko's avatar Andrii Nakryiko Committed by Alexei Starovoitov
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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: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230327185202.1929145-3-andrii@kernel.org


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent d6e6286a

tools/testing/selftests/bpf/veristat.c

+7 −1
Original line number Diff line number Diff line
@@ -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;