tools/rtla: Consolidate -D/--debug option parsing

Each rtla tool duplicates parsing of -D/--debug.

Migrate the option parsing from individual tools to the
common_parse_options().

Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
Link: https://lore.kernel.org/r/20251209100047.2692515-4-costa.shul@redhat.com
Signed-off-by: Tomas Glozar <tglozar@redhat.com>

Author: makelinux

tools/tracing/rtla/src/common.c

@@ -59,11 +59,12 @@ int common_parse_options(int argc, char **argv, struct common_params *common)
 	static struct option long_options[] = {
 		{"cpus",                required_argument,      0, 'c'},
 		{"cgroup",              optional_argument,      0, 'C'},
+		{"debug",               no_argument,            0, 'D'},
 		{0, 0, 0, 0}
 	};
 
 	opterr = 0;
-	c = getopt_long(argc, argv, "c:C::", long_options, NULL);
+	c = getopt_long(argc, argv, "c:C::D", long_options, NULL);
 	opterr = 1;
 
 	switch (c) {
@@ -76,6 +77,9 @@ int common_parse_options(int argc, char **argv, struct common_params *common)
 		common->cgroup = 1;
 		common->cgroup_name = parse_optional_arg(argc, argv);
 		break;
+	case 'D':
+		config_debug = 1;
+		break;
 	default:
 		optind = saved_state;
 		return 0;

tools/tracing/rtla/src/osnoise_hist.c

@@ -485,7 +485,6 @@ static struct common_params
 			{"auto",		required_argument,	0, 'a'},
 			{"bucket-size",		required_argument,	0, 'b'},
 			{"entries",		required_argument,	0, 'E'},
-			{"debug",		no_argument,		0, 'D'},
 			{"duration",		required_argument,	0, 'd'},
 			{"house-keeping",	required_argument,		0, 'H'},
 			{"help",		no_argument,		0, 'h'},
@@ -513,7 +512,7 @@ static struct common_params
 		if (common_parse_options(argc, argv, &params->common))
 			continue;
 
-		c = getopt_long(argc, argv, "a:b:d:e:E:DhH:p:P:r:s:S:t::T:01234:5:6:7:",
+		c = getopt_long(argc, argv, "a:b:d:e:E:hH:p:P:r:s:S:t::T:01234:5:6:7:",
 				 long_options, NULL);
 
 		/* detect the end of the options. */
@@ -539,9 +538,6 @@ static struct common_params
 			    params->common.hist.bucket_size >= 1000000)
 				fatal("Bucket size needs to be > 0 and <= 1000000");
 			break;
-		case 'D':
-			config_debug = 1;
-			break;
 		case 'd':
 			params->common.duration = parse_seconds_duration(optarg);
 			if (!params->common.duration)

tools/tracing/rtla/src/osnoise_top.c

@@ -339,7 +339,6 @@ struct common_params *osnoise_top_parse_args(int argc, char **argv)
 	while (1) {
 		static struct option long_options[] = {
 			{"auto",		required_argument,	0, 'a'},
-			{"debug",		no_argument,		0, 'D'},
 			{"duration",		required_argument,	0, 'd'},
 			{"event",		required_argument,	0, 'e'},
 			{"house-keeping",	required_argument,	0, 'H'},
@@ -364,7 +363,7 @@ struct common_params *osnoise_top_parse_args(int argc, char **argv)
 		if (common_parse_options(argc, argv, &params->common))
 			continue;
 
-		c = getopt_long(argc, argv, "a:d:De:hH:p:P:qr:s:S:t::T:0:1:2:3:",
+		c = getopt_long(argc, argv, "a:d:e:hH:p:P:qr:s:S:t::T:0:1:2:3:",
 				 long_options, NULL);
 
 		/* Detect the end of the options. */
@@ -383,9 +382,6 @@ struct common_params *osnoise_top_parse_args(int argc, char **argv)
 			if (!trace_output)
 				trace_output = "osnoise_trace.txt";
 
-			break;
-		case 'D':
-			config_debug = 1;
 			break;
 		case 'd':
 			params->common.duration = parse_seconds_duration(optarg);

tools/tracing/rtla/src/timerlat_hist.c

@@ -792,7 +792,6 @@ static struct common_params
 		static struct option long_options[] = {
 			{"auto",		required_argument,	0, 'a'},
 			{"bucket-size",		required_argument,	0, 'b'},
-			{"debug",		no_argument,		0, 'D'},
 			{"entries",		required_argument,	0, 'E'},
 			{"duration",		required_argument,	0, 'd'},
 			{"house-keeping",	required_argument,	0, 'H'},
@@ -831,7 +830,7 @@ static struct common_params
 		if (common_parse_options(argc, argv, &params->common))
 			continue;
 
-		c = getopt_long(argc, argv, "a:b:d:e:E:DhH:i:knp:P:s:t::T:uU0123456:7:8:9\1\2:\3:",
+		c = getopt_long(argc, argv, "a:b:d:e:E:hH:i:knp:P:s:t::T:uU0123456:7:8:9\1\2:\3:",
 				 long_options, NULL);
 
 		/* detect the end of the options. */
@@ -860,9 +859,6 @@ static struct common_params
 			    params->common.hist.bucket_size >= 1000000)
 				fatal("Bucket size needs to be > 0 and <= 1000000");
 			break;
-		case 'D':
-			config_debug = 1;
-			break;
 		case 'd':
 			params->common.duration = parse_seconds_duration(optarg);
 			if (!params->common.duration)

tools/tracing/rtla/src/timerlat_top.c

@@ -561,7 +561,6 @@ static struct common_params
 	while (1) {
 		static struct option long_options[] = {
 			{"auto",		required_argument,	0, 'a'},
-			{"debug",		no_argument,		0, 'D'},
 			{"duration",		required_argument,	0, 'd'},
 			{"event",		required_argument,	0, 'e'},
 			{"help",		no_argument,		0, 'h'},
@@ -595,7 +594,7 @@ static struct common_params
 		if (common_parse_options(argc, argv, &params->common))
 			continue;
 
-		c = getopt_long(argc, argv, "a:d:De:hH:i:knp:P:qs:t::T:uU0:1:2:345:6:7:",
+		c = getopt_long(argc, argv, "a:d:e:hH:i:knp:P:qs:t::T:uU0:1:2:345:6:7:",
 				 long_options, NULL);
 
 		/* detect the end of the options. */
@@ -632,9 +631,6 @@ static struct common_params
 			/* set aa_only to avoid parsing the trace */
 			params->common.aa_only = 1;
 			break;
-		case 'D':
-			config_debug = 1;
-			break;
 		case 'd':
 			params->common.duration = parse_seconds_duration(optarg);
 			if (!params->common.duration)