linux-kernel - [PATCH] rtla: Fix consistency in getopt_long for timerlat

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Message-ID: <20240926143417.54039-1-gmonaco@redhat.com>
Date: Thu, 26 Sep 2024 16:34:17 +0200
From: Gabriele Monaco <gmonaco@...hat.com>
To: Steven Rostedt <rostedt@...dmis.org>,
	linux-trace-kernel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: John Kacur <jkacur@...hat.com>,
	Luis Goncalves <lgoncalv@...hat.com>,
	Tomas Glozar <tglozar@...hat.com>,
	Gabriele Monaco <gmonaco@...hat.com>
Subject: [PATCH] rtla: Fix consistency in getopt_long for timerlat_hist

Commit e9a4062e1527 ("rtla: Add --trace-buffer-size option") adds a new
long option to rtla utilities, but among all affected files,
timerlat_hist misses a trailing `:` in the corresponding short option
inside the getopt string (e.g. `\3:`). This patch propagates the `:`.

Although this change is not functionally required, it improves
consistency and slightly reduces the likelihood a future change would
introduce a problem.

Signed-off-by: Gabriele Monaco <gmonaco@...hat.com>
---
 tools/tracing/rtla/src/timerlat_hist.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/tracing/rtla/src/timerlat_hist.c b/tools/tracing/rtla/src/timerlat_hist.c
index a3907c390d67..1f9137c592f4 100644
--- a/tools/tracing/rtla/src/timerlat_hist.c
+++ b/tools/tracing/rtla/src/timerlat_hist.c
@@ -778,7 +778,7 @@ static struct timerlat_hist_params
 		/* getopt_long stores the option index here. */
 		int option_index = 0;
 
-		c = getopt_long(argc, argv, "a:c:C::b:d:e:E:DhH:i:knp:P:s:t::T:uU0123456:7:8:9\1\2:\3",
+		c = getopt_long(argc, argv, "a:c:C::b:d:e:E:DhH:i:knp:P:s:t::T:uU0123456:7:8:9\1\2:\3:",
 				 long_options, &option_index);
 
 		/* detect the end of the options. */

base-commit: 11a299a7933e03c83818b431e6a1c53ad387423d
-- 
2.46.1