tools/rtla: Exit with EXIT_SUCCESS when help is invoked

Fix rtla so that the following commands exit with 0 when help is invoked

rtla osnoise top -h
rtla osnoise hist -h
rtla timerlat top -h
rtla timerlat hist -h

Link: https://lore.kernel.org/linux-trace-devel/20240203001607.69703-1-jkacur@redhat.com
Cc: stable@vger.kernel.org
Fixes: 1eeb6328e8b3 ("rtla/timerlat: Add timerlat hist mode")
Signed-off-by: John Kacur <jkacur@redhat.com>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>

diff --git a/tools/tracing/rtla/src/osnoise_hist.c b/tools/tracing/rtla/src/osnoise_hist.c
index 6712817..01870d5 100644 (file)
--- a/tools/tracing/rtla/src/osnoise_hist.c
+++ b/tools/tracing/rtla/src/osnoise_hist.c
@@ -479,7 +479,11 @@ static void osnoise_hist_usage(char *usage)
 
        for (i = 0; msg[i]; i++)
                fprintf(stderr, "%s\n", msg[i]);
-       exit(1);
+
+       if (usage)
+               exit(EXIT_FAILURE);
+
+       exit(EXIT_SUCCESS);
 }
 
 /*

diff --git a/tools/tracing/rtla/src/osnoise_top.c b/tools/tracing/rtla/src/osnoise_top.c
index f7c959b..457360d 100644 (file)
--- a/tools/tracing/rtla/src/osnoise_top.c
+++ b/tools/tracing/rtla/src/osnoise_top.c
@@ -331,7 +331,11 @@ static void osnoise_top_usage(struct osnoise_top_params *params, char *usage)
 
        for (i = 0; msg[i]; i++)
                fprintf(stderr, "%s\n", msg[i]);
-       exit(1);
+
+       if (usage)
+               exit(EXIT_FAILURE);
+
+       exit(EXIT_SUCCESS);
 }
 
 /*

diff --git a/tools/tracing/rtla/src/timerlat_hist.c b/tools/tracing/rtla/src/timerlat_hist.c
index 3a5b8c4..dbf1540 100644 (file)
--- a/tools/tracing/rtla/src/timerlat_hist.c
+++ b/tools/tracing/rtla/src/timerlat_hist.c
@@ -545,7 +545,11 @@ static void timerlat_hist_usage(char *usage)
 
        for (i = 0; msg[i]; i++)
                fprintf(stderr, "%s\n", msg[i]);
-       exit(1);
+
+       if (usage)
+               exit(EXIT_FAILURE);
+
+       exit(EXIT_SUCCESS);
 }
 
 /*

diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src/timerlat_top.c
index 1640f12..3e9af2c 100644 (file)
--- a/tools/tracing/rtla/src/timerlat_top.c
+++ b/tools/tracing/rtla/src/timerlat_top.c
@@ -375,7 +375,11 @@ static void timerlat_top_usage(char *usage)
 
        for (i = 0; msg[i]; i++)
                fprintf(stderr, "%s\n", msg[i]);
-       exit(1);
+
+       if (usage)
+               exit(EXIT_FAILURE);
+
+       exit(EXIT_SUCCESS);
 }
 
 /*