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From: Tamir Duberstein <tamird@gmail.com>
To: David Gow <davidgow@google.com>, Petr Mladek <pmladek@suse.com>,
	 Steven Rostedt <rostedt@goodmis.org>,
	 Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	 Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	 Sergey Senozhatsky <senozhatsky@chromium.org>,
	 Andrew Morton <akpm@linux-foundation.org>,
	Shuah Khan <shuah@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>,
	linux-kernel@vger.kernel.org,  linux-kselftest@vger.kernel.org,
	Tamir Duberstein <tamird@gmail.com>
Subject: [PATCH v8 2/4] scanf: remove redundant debug logs
Date: Fri, 14 Feb 2025 11:19:59 -0500	[thread overview]
Message-ID: <20250214-scanf-kunit-convert-v8-2-5ea50f95f83c@gmail.com> (raw)
In-Reply-To: <20250214-scanf-kunit-convert-v8-0-5ea50f95f83c@gmail.com>

Remove `pr_debug` calls which emit information already contained in
`pr_warn` calls that occur on test failure. This reduces unhelpful test
verbosity.

Note that a `pr_debug` removed from `_check_numbers_template` appears to
have been the only guard against silent false positives, but in fact
this condition is handled in `_test`; it is only possible for `n_args`
to be `0` in `_check_numbers_template` if the test explicitly expects it
*and* `vsscanf` returns `0`, matching the expectation.

Signed-off-by: Tamir Duberstein <tamird@gmail.com>
---
 lib/test_scanf.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/lib/test_scanf.c b/lib/test_scanf.c
index d1664e0d0138..efdde6f498d9 100644
--- a/lib/test_scanf.c
+++ b/lib/test_scanf.c
@@ -62,10 +62,8 @@ _test(const char *file, const int line, check_fn fn, const void *check_data, con
 
 #define _check_numbers_template(arg_fmt, expect, str, fmt, n_args, ap)		\
 do {										\
-	pr_debug("\"%s\", \"%s\" ->\n", str, fmt);				\
 	for (; n_args > 0; n_args--, expect++) {				\
 		typeof(*expect) got = *va_arg(ap, typeof(expect));		\
-		pr_debug("\t" arg_fmt "\n", got);				\
 		if (got != *expect) {						\
 			pr_warn("%s:%d, vsscanf(\"%s\", \"%s\", ...) expected " arg_fmt " got " arg_fmt "\n", \
 				file, line, str, fmt, *expect, got);		\
@@ -689,7 +687,6 @@ do {										\
 	total_tests++;								\
 	len = snprintf(test_buffer, BUF_SIZE, gen_fmt, expect);			\
 	got = (fn)(test_buffer, &endp, base);					\
-	pr_debug(#fn "(\"%s\", %d) -> " gen_fmt "\n", test_buffer, base, got);	\
 	if (got != (expect)) {							\
 		fail = true;							\
 		pr_warn(#fn "(\"%s\", %d): got " gen_fmt " expected " gen_fmt "\n", \

-- 
2.48.1


  parent reply	other threads:[~2025-02-14 16:20 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-14 16:19 [PATCH v8 0/4] scanf: convert self-test to KUnit Tamir Duberstein
2025-02-14 16:19 ` [PATCH v8 1/4] scanf: implicate test line in failure messages Tamir Duberstein
2025-03-05  8:55   ` Petr Mladek
2025-03-05  9:56   ` Petr Mladek
2025-03-05 11:35     ` Tamir Duberstein
2025-02-14 16:19 ` Tamir Duberstein [this message]
2025-03-05  8:59   ` [PATCH v8 2/4] scanf: remove redundant debug logs Petr Mladek
2025-02-14 16:20 ` [PATCH v8 3/4] scanf: convert self-test to KUnit Tamir Duberstein
2025-02-15 18:50   ` kernel test robot
     [not found]     ` <CAJ-ks9kkigKG=Nf_mZrA5CA=SUV2sSyY51_rLef42T+ZxCmk1Q@mail.gmail.com>
2025-02-16 20:22       ` Andy Shevchenko
2025-02-17 14:29         ` Tamir Duberstein
2025-03-05  9:47       ` Petr Mladek
2025-03-05 11:36         ` Tamir Duberstein
2025-03-05 12:46   ` Petr Mladek
2025-02-14 16:20 ` [PATCH v8 4/4] scanf: break kunit into test cases Tamir Duberstein
2025-03-05 15:01   ` Petr Mladek
2025-03-05 15:25     ` Tamir Duberstein
2025-03-05 15:55       ` Andy Shevchenko
2025-03-05 15:57         ` Tamir Duberstein
2025-03-05 19:35           ` Andy Shevchenko
2025-03-05 20:09             ` Tamir Duberstein
2025-03-06  9:38           ` Petr Mladek
2025-03-06 10:56             ` Tamir Duberstein
2025-03-05 15:54     ` Andy Shevchenko

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