lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <krmo42jpyowqokrkkhhbwqauiyvovt2ankyr6ho6hiwwgotxhp@pxztuoifxemf>
Date: Tue, 16 Dec 2025 13:17:43 -0300
From: Wander Lairson Costa <wander@...hat.com>
To: Costa Shulyupin <costa.shul@...hat.com>
Cc: Steven Rostedt <rostedt@...dmis.org>, 
	Tomas Glozar <tglozar@...hat.com>, Crystal Wood <crwood@...hat.com>, John Kacur <jkacur@...hat.com>, 
	Ivan Pravdin <ipravdin.official@...il.com>, linux-trace-kernel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 5/8] tools/rtla: Consolidate -d/--duration option
 parsing

On Tue, Dec 09, 2025 at 12:00:44PM +0200, Costa Shulyupin wrote:
> Each rtla tool duplicates parsing of -d/--duration.
> 
> Migrate the option parsing from individual tools to the
> common_parse_options().
> 
> Signed-off-by: Costa Shulyupin <costa.shul@...hat.com>
> ---
>  tools/tracing/rtla/src/common.c        | 8 +++++++-
>  tools/tracing/rtla/src/osnoise_hist.c  | 8 +-------
>  tools/tracing/rtla/src/osnoise_top.c   | 8 +-------
>  tools/tracing/rtla/src/timerlat_hist.c | 8 +-------
>  tools/tracing/rtla/src/timerlat_top.c  | 8 +-------
>  5 files changed, 11 insertions(+), 29 deletions(-)
> 
> diff --git a/tools/tracing/rtla/src/common.c b/tools/tracing/rtla/src/common.c
> index 5bf79a9bb152..e6ff011d2cd2 100644
> --- a/tools/tracing/rtla/src/common.c
> +++ b/tools/tracing/rtla/src/common.c
> @@ -59,11 +59,12 @@ int common_parse_options(int argc, char **argv, struct common_params *common)
>  		{"cpus",                required_argument,      0, 'c'},
>  		{"cgroup",              optional_argument,      0, 'C'},
>  		{"debug",               no_argument,            0, 'D'},
> +		{"duration",            required_argument,      0, 'd'},
>  		{0, 0, 0, 0}
>  	};
>  
>  	opterr = 0;
> -	c = getopt_long(argc, argv, "c:C::D", long_options, NULL);
> +	c = getopt_long(argc, argv, "c:C::Dd:", long_options, NULL);
>  	opterr = 1;
>  
>  	switch (c) {
> @@ -79,6 +80,11 @@ int common_parse_options(int argc, char **argv, struct common_params *common)
>  	case 'D':
>  		config_debug = 1;
>  		break;
> +	case 'd':
> +		common->duration = parse_seconds_duration(optarg);
> +		if (!common->duration)
> +			fatal("Invalid -d duration");
> +		break;
>  	default:
>  		optind = saved_state;
>  		return 0;
> diff --git a/tools/tracing/rtla/src/osnoise_hist.c b/tools/tracing/rtla/src/osnoise_hist.c
> index 6902486fb144..1b79bfefc214 100644
> --- a/tools/tracing/rtla/src/osnoise_hist.c
> +++ b/tools/tracing/rtla/src/osnoise_hist.c
> @@ -491,7 +491,6 @@ static struct common_params
>  			{"auto",		required_argument,	0, 'a'},
>  			{"bucket-size",		required_argument,	0, 'b'},
>  			{"entries",		required_argument,	0, 'E'},
> -			{"duration",		required_argument,	0, 'd'},
>  			{"house-keeping",	required_argument,		0, 'H'},
>  			{"help",		no_argument,		0, 'h'},
>  			{"period",		required_argument,	0, 'p'},
> @@ -518,7 +517,7 @@ static struct common_params
>  		if (common_parse_options(argc, argv, &params->common))
>  			continue;
>  
> -		c = getopt_long(argc, argv, "a:b:d:e:E:hH:p:P:r:s:S:t::T:01234:5:6:7:",
> +		c = getopt_long(argc, argv, "a:b:e:E:hH:p:P:r:s:S:t::T:01234:5:6:7:",
>  				 long_options, NULL);
>  
>  		/* detect the end of the options. */
> @@ -544,11 +543,6 @@ static struct common_params
>  			    params->common.hist.bucket_size >= 1000000)
>  				fatal("Bucket size needs to be > 0 and <= 1000000");
>  			break;
> -		case 'd':
> -			params->common.duration = parse_seconds_duration(optarg);
> -			if (!params->common.duration)
> -				fatal("Invalid -D duration");
> -			break;
>  		case 'e':
>  			tevent = trace_event_alloc(optarg);
>  			if (!tevent)
> diff --git a/tools/tracing/rtla/src/osnoise_top.c b/tools/tracing/rtla/src/osnoise_top.c
> index 4a61fd50b990..619c5bcf8f35 100644
> --- a/tools/tracing/rtla/src/osnoise_top.c
> +++ b/tools/tracing/rtla/src/osnoise_top.c
> @@ -346,7 +346,6 @@ struct common_params *osnoise_top_parse_args(int argc, char **argv)
>  	while (1) {
>  		static struct option long_options[] = {
>  			{"auto",		required_argument,	0, 'a'},
> -			{"duration",		required_argument,	0, 'd'},
>  			{"event",		required_argument,	0, 'e'},
>  			{"house-keeping",	required_argument,	0, 'H'},
>  			{"help",		no_argument,		0, 'h'},
> @@ -370,7 +369,7 @@ 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:e:hH:p:P:qr:s:S:t::T:0:1:2:3:",
> +		c = getopt_long(argc, argv, "a:e:hH:p:P:qr:s:S:t::T:0:1:2:3:",
>  				 long_options, NULL);
>  
>  		/* Detect the end of the options. */
> @@ -390,11 +389,6 @@ struct common_params *osnoise_top_parse_args(int argc, char **argv)
>  				trace_output = "osnoise_trace.txt";
>  
>  			break;
> -		case 'd':
> -			params->common.duration = parse_seconds_duration(optarg);
> -			if (!params->common.duration)
> -				fatal("Invalid -d duration");
> -			break;
>  		case 'e':
>  			tevent = trace_event_alloc(optarg);
>  			if (!tevent)
> diff --git a/tools/tracing/rtla/src/timerlat_hist.c b/tools/tracing/rtla/src/timerlat_hist.c
> index 97d20e272583..0a7e5dcce121 100644
> --- a/tools/tracing/rtla/src/timerlat_hist.c
> +++ b/tools/tracing/rtla/src/timerlat_hist.c
> @@ -798,7 +798,6 @@ static struct common_params
>  			{"auto",		required_argument,	0, 'a'},
>  			{"bucket-size",		required_argument,	0, 'b'},
>  			{"entries",		required_argument,	0, 'E'},
> -			{"duration",		required_argument,	0, 'd'},
>  			{"house-keeping",	required_argument,	0, 'H'},
>  			{"help",		no_argument,		0, 'h'},
>  			{"irq",			required_argument,	0, 'i'},
> @@ -834,7 +833,7 @@ static struct common_params
>  		if (common_parse_options(argc, argv, &params->common))
>  			continue;
>  
> -		c = getopt_long(argc, argv, "a:b:d:e:E:hH:i:knp:P:s:t::T:uU0123456:7:8:9\1\2:\3:",
> +		c = getopt_long(argc, argv, "a:b: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. */
> @@ -863,11 +862,6 @@ static struct common_params
>  			    params->common.hist.bucket_size >= 1000000)
>  				fatal("Bucket size needs to be > 0 and <= 1000000");
>  			break;
> -		case 'd':
> -			params->common.duration = parse_seconds_duration(optarg);
> -			if (!params->common.duration)
> -				fatal("Invalid -D duration");
> -			break;
>  		case 'e':
>  			tevent = trace_event_alloc(optarg);
>  			if (!tevent)
> diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src/timerlat_top.c
> index 96bca67d419f..4340fbf3f879 100644
> --- a/tools/tracing/rtla/src/timerlat_top.c
> +++ b/tools/tracing/rtla/src/timerlat_top.c
> @@ -566,7 +566,6 @@ static struct common_params
>  	while (1) {
>  		static struct option long_options[] = {
>  			{"auto",		required_argument,	0, 'a'},
> -			{"duration",		required_argument,	0, 'd'},
>  			{"event",		required_argument,	0, 'e'},
>  			{"help",		no_argument,		0, 'h'},
>  			{"house-keeping",	required_argument,	0, 'H'},
> @@ -598,7 +597,7 @@ static struct common_params
>  		if (common_parse_options(argc, argv, &params->common))
>  			continue;
>  
> -		c = getopt_long(argc, argv, "a:d:e:hH:i:knp:P:qs:t::T:uU0:1:2:345:6:7:",
> +		c = getopt_long(argc, argv, "a:e:hH:i:knp:P:qs:t::T:uU0:1:2:345:6:7:",
>  				 long_options, NULL);
>  
>  		/* detect the end of the options. */
> @@ -635,11 +634,6 @@ static struct common_params
>  			/* set aa_only to avoid parsing the trace */
>  			params->common.aa_only = 1;
>  			break;
> -		case 'd':
> -			params->common.duration = parse_seconds_duration(optarg);
> -			if (!params->common.duration)
> -				fatal("Invalid -d duration");
> -			break;
>  		case 'e':
>  			tevent = trace_event_alloc(optarg);
>  			if (!tevent)
> -- 
> 2.52.0
> 

Reviewed-by: Wander Lairson Costa <wander@...hat.com>


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ