On Tue, Dec 09, 2025 at 12:00:47PM +0200, Costa Shulyupin wrote:
> Each rtla tool duplicates parsing of -H/--house-keeping.
> 
> Migrate the option parsing from individual tools to the
> common_parse_options().
> 
> Signed-off-by: Costa Shulyupin <[email protected]>
> ---
>  tools/tracing/rtla/src/common.c        | 8 +++++++-
>  tools/tracing/rtla/src/osnoise_hist.c  | 9 +--------
>  tools/tracing/rtla/src/osnoise_top.c   | 9 +--------
>  tools/tracing/rtla/src/timerlat_hist.c | 9 +--------
>  tools/tracing/rtla/src/timerlat_top.c  | 9 +--------
>  5 files changed, 11 insertions(+), 33 deletions(-)
> 
> diff --git a/tools/tracing/rtla/src/common.c b/tools/tracing/rtla/src/common.c
> index e042b2d9dbf5..8e90bb4a76f9 100644
> --- a/tools/tracing/rtla/src/common.c
> +++ b/tools/tracing/rtla/src/common.c
> @@ -62,12 +62,13 @@ int common_parse_options(int argc, char **argv, struct 
> common_params *common)
>               {"debug",               no_argument,            0, 'D'},
>               {"duration",            required_argument,      0, 'd'},
>               {"event",               required_argument,      0, 'e'},
> +             {"house-keeping",       required_argument,      0, 'H'},
>               {"priority",            required_argument,      0, 'P'},
>               {0, 0, 0, 0}
>       };
>  
>       opterr = 0;
> -     c = getopt_long(argc, argv, "c:C::Dd:e:P:", long_options, NULL);
> +     c = getopt_long(argc, argv, "c:C::Dd:e:H:P:", long_options, NULL);
>       opterr = 1;
>  
>       switch (c) {
> @@ -97,6 +98,11 @@ int common_parse_options(int argc, char **argv, struct 
> common_params *common)
>                       tevent->next = common->events;
>               common->events = tevent;
>               break;
> +     case 'H':
> +             common->hk_cpus = 1;
> +             if (parse_cpu_set(optarg, &common->hk_cpu_set))
> +                     fatal("Error parsing house keeping CPUs");
> +             break;
>       case 'P':
>               if (parse_prio(optarg, &common->sched_param) == -1)
>                       fatal("Invalid -P priority");
> diff --git a/tools/tracing/rtla/src/osnoise_hist.c 
> b/tools/tracing/rtla/src/osnoise_hist.c
> index 6ed5f5594960..1ebd3b48b2d3 100644
> --- a/tools/tracing/rtla/src/osnoise_hist.c
> +++ b/tools/tracing/rtla/src/osnoise_hist.c
> @@ -490,7 +490,6 @@ static struct common_params
>                       {"auto",                required_argument,      0, 'a'},
>                       {"bucket-size",         required_argument,      0, 'b'},
>                       {"entries",             required_argument,      0, 'E'},
> -                     {"house-keeping",       required_argument,              
> 0, 'H'},
>                       {"help",                no_argument,            0, 'h'},
>                       {"period",              required_argument,      0, 'p'},
>                       {"runtime",             required_argument,      0, 'r'},
> @@ -514,7 +513,7 @@ static struct common_params
>               if (common_parse_options(argc, argv, &params->common))
>                       continue;
>  
> -             c = getopt_long(argc, argv, 
> "a:b:E:hH:p:r:s:S:t::T:01234:5:6:7:",
> +             c = getopt_long(argc, argv, "a:b:E:hp:r:s:S:t::T:01234:5:6:7:",
>                                long_options, NULL);
>  
>               /* detect the end of the options. */
> @@ -550,12 +549,6 @@ static struct common_params
>               case '?':
>                       osnoise_hist_usage();
>                       break;
> -             case 'H':
> -                     params->common.hk_cpus = 1;
> -                     retval = parse_cpu_set(optarg, 
> &params->common.hk_cpu_set);
> -                     if (retval)
> -                             fatal("Error parsing house keeping CPUs");
> -                     break;
>               case 'p':
>                       params->period = get_llong_from_str(optarg);
>                       if (params->period > 10000000)
> diff --git a/tools/tracing/rtla/src/osnoise_top.c 
> b/tools/tracing/rtla/src/osnoise_top.c
> index d2dfad960440..02e5e6e18e8d 100644
> --- a/tools/tracing/rtla/src/osnoise_top.c
> +++ b/tools/tracing/rtla/src/osnoise_top.c
> @@ -345,7 +345,6 @@ struct common_params *osnoise_top_parse_args(int argc, 
> char **argv)
>       while (1) {
>               static struct option long_options[] = {
>                       {"auto",                required_argument,      0, 'a'},
> -                     {"house-keeping",       required_argument,      0, 'H'},
>                       {"help",                no_argument,            0, 'h'},
>                       {"period",              required_argument,      0, 'p'},
>                       {"quiet",               no_argument,            0, 'q'},
> @@ -366,7 +365,7 @@ 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:hH:p:qr:s:S:t::T:0:1:2:3:",
> +             c = getopt_long(argc, argv, "a:hp:qr:s:S:t::T:0:1:2:3:",
>                                long_options, NULL);
>  
>               /* Detect the end of the options. */
> @@ -390,12 +389,6 @@ struct common_params *osnoise_top_parse_args(int argc, 
> char **argv)
>               case '?':
>                       osnoise_top_usage(params);
>                       break;
> -             case 'H':
> -                     params->common.hk_cpus = 1;
> -                     retval = parse_cpu_set(optarg, 
> &params->common.hk_cpu_set);
> -                     if (retval)
> -                             fatal("Error parsing house keeping CPUs");
> -                     break;
>               case 'p':
>                       params->period = get_llong_from_str(optarg);
>                       if (params->period > 10000000)
> diff --git a/tools/tracing/rtla/src/timerlat_hist.c 
> b/tools/tracing/rtla/src/timerlat_hist.c
> index e7ba083b5eb4..d1a6cf0c2e0d 100644
> --- a/tools/tracing/rtla/src/timerlat_hist.c
> +++ b/tools/tracing/rtla/src/timerlat_hist.c
> @@ -797,7 +797,6 @@ static struct common_params
>                       {"auto",                required_argument,      0, 'a'},
>                       {"bucket-size",         required_argument,      0, 'b'},
>                       {"entries",             required_argument,      0, 'E'},
> -                     {"house-keeping",       required_argument,      0, 'H'},
>                       {"help",                no_argument,            0, 'h'},
>                       {"irq",                 required_argument,      0, 'i'},
>                       {"nano",                no_argument,            0, 'n'},
> @@ -830,7 +829,7 @@ static struct common_params
>               if (common_parse_options(argc, argv, &params->common))
>                       continue;
>  
> -             c = getopt_long(argc, argv, 
> "a:b:E:hH:i:knp:s:t::T:uU0123456:7:8:9\1\2:\3:",
> +             c = getopt_long(argc, argv, 
> "a:b:E:hi:knp:s:t::T:uU0123456:7:8:9\1\2:\3:",
>                                long_options, NULL);
>  
>               /* detect the end of the options. */
> @@ -869,12 +868,6 @@ static struct common_params
>               case '?':
>                       timerlat_hist_usage();
>                       break;
> -             case 'H':
> -                     params->common.hk_cpus = 1;
> -                     retval = parse_cpu_set(optarg, 
> &params->common.hk_cpu_set);
> -                     if (retval)
> -                             fatal("Error parsing house keeping CPUs");
> -                     break;
>               case 'i':
>                       params->common.stop_us = get_llong_from_str(optarg);
>                       break;
> diff --git a/tools/tracing/rtla/src/timerlat_top.c 
> b/tools/tracing/rtla/src/timerlat_top.c
> index 8250bea4b2fd..12e3d8c6f850 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
>               static struct option long_options[] = {
>                       {"auto",                required_argument,      0, 'a'},
>                       {"help",                no_argument,            0, 'h'},
> -                     {"house-keeping",       required_argument,      0, 'H'},
>                       {"irq",                 required_argument,      0, 'i'},
>                       {"nano",                no_argument,            0, 'n'},
>                       {"period",              required_argument,      0, 'p'},
> @@ -594,7 +593,7 @@ static struct common_params
>               if (common_parse_options(argc, argv, &params->common))
>                       continue;
>  
> -             c = getopt_long(argc, argv, 
> "a:hH:i:knp:qs:t::T:uU0:1:2:345:6:7:",
> +             c = getopt_long(argc, argv, "a:hi:knp:qs:t::T:uU0:1:2:345:6:7:",
>                                long_options, NULL);
>  
>               /* detect the end of the options. */
> @@ -635,12 +634,6 @@ static struct common_params
>               case '?':
>                       timerlat_top_usage();
>                       break;
> -             case 'H':
> -                     params->common.hk_cpus = 1;
> -                     retval = parse_cpu_set(optarg, 
> &params->common.hk_cpu_set);
> -                     if (retval)
> -                             fatal("Error parsing house keeping CPUs");
> -                     break;
>               case 'i':
>                       params->common.stop_us = get_llong_from_str(optarg);
>                       break;
> -- 
> 2.52.0
> 

Reviewed-by: Wander Lairson Costa <[email protected]>


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