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From: Andrii Nakryiko <andrii@kernel.org>
To: <bpf@vger.kernel.org>, <ast@kernel.org>, <daniel@iogearbox.net>,
	<martin.lau@kernel.org>
Cc: <andrii@kernel.org>, <kernel-team@meta.com>
Subject: [PATCH v4 bpf-next 2/3] veristat: add -d debug mode option to see debug libbpf log
Date: Mon, 27 Mar 2023 11:52:01 -0700	[thread overview]
Message-ID: <20230327185202.1929145-3-andrii@kernel.org> (raw)
In-Reply-To: <20230327185202.1929145-1-andrii@kernel.org>

Add -d option to allow requesting libbpf debug logs from veristat.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
---
 tools/testing/selftests/bpf/veristat.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

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;
-- 
2.34.1


  parent reply	other threads:[~2023-03-27 18:52 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-27 18:51 [PATCH v4 bpf-next 0/3] veristat: add better support of freplace programs Andrii Nakryiko
2023-03-27 18:52 ` [PATCH v4 bpf-next 1/3] libbpf: disassociate section handler on explicit bpf_program__set_type() call Andrii Nakryiko
2023-03-27 18:52 ` Andrii Nakryiko [this message]
2023-03-29 17:37   ` [PATCH v4 bpf-next 2/3] veristat: add -d debug mode option to see debug libbpf log Eduard Zingerman
2023-03-29 18:35     ` Andrii Nakryiko
2023-03-27 18:52 ` [PATCH v4 bpf-next 3/3] veristat: guess and substitue underlying program type for freplace (EXT) progs Andrii Nakryiko
2023-03-29 18:36   ` Eduard Zingerman
2023-03-30  5:38     ` Alexei Starovoitov
2023-03-30 14:48       ` Eduard Zingerman
2023-03-30 18:56         ` Andrii Nakryiko
2023-03-30 18:56     ` Andrii Nakryiko
2023-03-28 17:25 ` [PATCH v4 bpf-next 0/3] veristat: add better support of freplace programs Stanislav Fomichev
2023-03-30  0:30 ` patchwork-bot+netdevbpf

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