On Thu, 20 Mar 2025, Tomas Glozar wrote:

> Instead of having separate structs osnoise_top_params and
> osnoise_hist_params, use one struct osnoise_params for both.
> 
> This allows code using the structs to be shared between osnoise-top and
> osnoise-hist.
> 
> Signed-off-by: Tomas Glozar <[email protected]>
> ---
>  tools/tracing/rtla/src/osnoise.c      |  1 -
>  tools/tracing/rtla/src/osnoise.h      | 47 +++++++++++++++++++++++
>  tools/tracing/rtla/src/osnoise_hist.c | 52 ++++++--------------------
>  tools/tracing/rtla/src/osnoise_top.c  | 54 +++++----------------------
>  tools/tracing/rtla/src/timerlat.h     |  1 -
>  5 files changed, 68 insertions(+), 87 deletions(-)
> 
> diff --git a/tools/tracing/rtla/src/osnoise.c 
> b/tools/tracing/rtla/src/osnoise.c
> index 85f398b89597..93d485c0e949 100644
> --- a/tools/tracing/rtla/src/osnoise.c
> +++ b/tools/tracing/rtla/src/osnoise.c
> @@ -14,7 +14,6 @@
>  #include <stdio.h>
>  
>  #include "osnoise.h"
> -#include "utils.h"
>  
>  /*
>   * osnoise_get_cpus - return the original "osnoise/cpus" content
> diff --git a/tools/tracing/rtla/src/osnoise.h 
> b/tools/tracing/rtla/src/osnoise.h
> index 056c8b113dee..f78ffbdc8c8d 100644
> --- a/tools/tracing/rtla/src/osnoise.h
> +++ b/tools/tracing/rtla/src/osnoise.h
> @@ -1,8 +1,55 @@
>  // SPDX-License-Identifier: GPL-2.0
>  #pragma once
>  
> +#include "utils.h"
>  #include "trace.h"
>  
> +enum osnoise_mode {
> +     MODE_OSNOISE = 0,
> +     MODE_HWNOISE
> +};
> +
> +struct osnoise_params {
> +     /* Common params */
> +     char                    *cpus;
> +     cpu_set_t               monitored_cpus;
> +     char                    *trace_output;
> +     char                    *cgroup_name;
> +     unsigned long long      runtime;
> +     unsigned long long      period;
> +     long long               threshold;
> +     long long               stop_us;
> +     long long               stop_total_us;
> +     int                     sleep_time;
> +     int                     duration;
> +     int                     set_sched;
> +     int                     cgroup;
> +     int                     hk_cpus;
> +     cpu_set_t               hk_cpu_set;
> +     struct sched_attr       sched_param;
> +     struct trace_events     *events;
> +     int                     warmup;
> +     int                     buffer_size;
> +     union {
> +             struct {
> +                     /* top only */
> +                     int                     quiet;
> +                     int                     pretty_output;
> +                     enum osnoise_mode       mode;
> +             };
> +             struct {
> +                     /* hist only */
> +                     int                     output_divisor;
> +                     char                    no_header;
> +                     char                    no_summary;
> +                     char                    no_index;
> +                     char                    with_zeros;
> +                     int                     bucket_size;
> +                     int                     entries;
> +             };
> +     };
> +};
> +
>  /*
>   * osnoise_context - read, store, write, restore osnoise configs.
>   */
> diff --git a/tools/tracing/rtla/src/osnoise_hist.c 
> b/tools/tracing/rtla/src/osnoise_hist.c
> index f4c9051c33c4..4721f15f77cd 100644
> --- a/tools/tracing/rtla/src/osnoise_hist.c
> +++ b/tools/tracing/rtla/src/osnoise_hist.c
> @@ -14,38 +14,8 @@
>  #include <time.h>
>  #include <sched.h>
>  
> -#include "utils.h"
>  #include "osnoise.h"
>  
> -struct osnoise_hist_params {
> -     char                    *cpus;
> -     cpu_set_t               monitored_cpus;
> -     char                    *trace_output;
> -     char                    *cgroup_name;
> -     unsigned long long      runtime;
> -     unsigned long long      period;
> -     long long               threshold;
> -     long long               stop_us;
> -     long long               stop_total_us;
> -     int                     sleep_time;
> -     int                     duration;
> -     int                     set_sched;
> -     int                     output_divisor;
> -     int                     cgroup;
> -     int                     hk_cpus;
> -     cpu_set_t               hk_cpu_set;
> -     struct sched_attr       sched_param;
> -     struct trace_events     *events;
> -     char                    no_header;
> -     char                    no_summary;
> -     char                    no_index;
> -     char                    with_zeros;
> -     int                     bucket_size;
> -     int                     entries;
> -     int                     warmup;
> -     int                     buffer_size;
> -};
> -
>  struct osnoise_hist_cpu {
>       int                     *samples;
>       int                     count;
> @@ -126,7 +96,7 @@ static struct osnoise_hist_data
>  static void osnoise_hist_update_multiple(struct osnoise_tool *tool, int cpu,
>                                        unsigned long long duration, int count)
>  {
> -     struct osnoise_hist_params *params = tool->params;
> +     struct osnoise_params *params = tool->params;
>       struct osnoise_hist_data *data = tool->data;
>       unsigned long long total_duration;
>       int entries = data->entries;
> @@ -168,7 +138,7 @@ static void osnoise_destroy_trace_hist(struct 
> osnoise_tool *tool)
>   */
>  static int osnoise_init_trace_hist(struct osnoise_tool *tool)
>  {
> -     struct osnoise_hist_params *params = tool->params;
> +     struct osnoise_params *params = tool->params;
>       struct osnoise_hist_data *data = tool->data;
>       int bucket_size;
>       char buff[128];
> @@ -253,7 +223,7 @@ static void osnoise_read_trace_hist(struct osnoise_tool 
> *tool)
>   */
>  static void osnoise_hist_header(struct osnoise_tool *tool)
>  {
> -     struct osnoise_hist_params *params = tool->params;
> +     struct osnoise_params *params = tool->params;
>       struct osnoise_hist_data *data = tool->data;
>       struct trace_seq *s = tool->trace.seq;
>       char duration[26];
> @@ -292,7 +262,7 @@ static void osnoise_hist_header(struct osnoise_tool *tool)
>   * osnoise_print_summary - print the summary of the hist data to the output
>   */
>  static void
> -osnoise_print_summary(struct osnoise_hist_params *params,
> +osnoise_print_summary(struct osnoise_params *params,
>                      struct trace_instance *trace,
>                      struct osnoise_hist_data *data)
>  {
> @@ -370,7 +340,7 @@ osnoise_print_summary(struct osnoise_hist_params *params,
>   * osnoise_print_stats - print data for all CPUs
>   */
>  static void
> -osnoise_print_stats(struct osnoise_hist_params *params, struct osnoise_tool 
> *tool)
> +osnoise_print_stats(struct osnoise_params *params, struct osnoise_tool *tool)
>  {
>       struct osnoise_hist_data *data = tool->data;
>       struct trace_instance *trace = &tool->trace;
> @@ -508,10 +478,10 @@ static void osnoise_hist_usage(char *usage)
>  /*
>   * osnoise_hist_parse_args - allocs, parse and fill the cmd line parameters
>   */
> -static struct osnoise_hist_params
> +static struct osnoise_params
>  *osnoise_hist_parse_args(int argc, char *argv[])
>  {
> -     struct osnoise_hist_params *params;
> +     struct osnoise_params *params;
>       struct trace_events *tevent;
>       int retval;
>       int c;
> @@ -731,7 +701,7 @@ static struct osnoise_hist_params
>   * osnoise_hist_apply_config - apply the hist configs to the initialized tool
>   */
>  static int
> -osnoise_hist_apply_config(struct osnoise_tool *tool, struct 
> osnoise_hist_params *params)
> +osnoise_hist_apply_config(struct osnoise_tool *tool, struct osnoise_params 
> *params)
>  {
>       int retval;
>  
> @@ -808,7 +778,7 @@ osnoise_hist_apply_config(struct osnoise_tool *tool, 
> struct osnoise_hist_params
>   * osnoise_init_hist - initialize a osnoise hist tool with parameters
>   */
>  static struct osnoise_tool
> -*osnoise_init_hist(struct osnoise_hist_params *params)
> +*osnoise_init_hist(struct osnoise_params *params)
>  {
>       struct osnoise_tool *tool;
>       int nr_cpus;
> @@ -842,7 +812,7 @@ static void stop_hist(int sig)
>   * osnoise_hist_set_signals - handles the signal to stop the tool
>   */
>  static void
> -osnoise_hist_set_signals(struct osnoise_hist_params *params)
> +osnoise_hist_set_signals(struct osnoise_params *params)
>  {
>       signal(SIGINT, stop_hist);
>       if (params->duration) {
> @@ -853,7 +823,7 @@ osnoise_hist_set_signals(struct osnoise_hist_params 
> *params)
>  
>  int osnoise_hist_main(int argc, char *argv[])
>  {
> -     struct osnoise_hist_params *params;
> +     struct osnoise_params *params;
>       struct osnoise_tool *record = NULL;
>       struct osnoise_tool *tool = NULL;
>       struct trace_instance *trace;
> diff --git a/tools/tracing/rtla/src/osnoise_top.c 
> b/tools/tracing/rtla/src/osnoise_top.c
> index dacec2f99017..7f393019bbf5 100644
> --- a/tools/tracing/rtla/src/osnoise_top.c
> +++ b/tools/tracing/rtla/src/osnoise_top.c
> @@ -14,40 +14,6 @@
>  #include <sched.h>
>  
>  #include "osnoise.h"
> -#include "utils.h"
> -
> -enum osnoise_mode {
> -     MODE_OSNOISE = 0,
> -     MODE_HWNOISE
> -};
> -
> -/*
> - * osnoise top parameters
> - */
> -struct osnoise_top_params {
> -     char                    *cpus;
> -     cpu_set_t               monitored_cpus;
> -     char                    *trace_output;
> -     char                    *cgroup_name;
> -     unsigned long long      runtime;
> -     unsigned long long      period;
> -     long long               threshold;
> -     long long               stop_us;
> -     long long               stop_total_us;
> -     int                     sleep_time;
> -     int                     duration;
> -     int                     quiet;
> -     int                     set_sched;
> -     int                     cgroup;
> -     int                     hk_cpus;
> -     int                     warmup;
> -     int                     buffer_size;
> -     int                     pretty_output;
> -     cpu_set_t               hk_cpu_set;
> -     struct sched_attr       sched_param;
> -     struct trace_events     *events;
> -     enum osnoise_mode       mode;
> -};
>  
>  struct osnoise_top_cpu {
>       unsigned long long      sum_runtime;
> @@ -158,7 +124,7 @@ osnoise_top_handler(struct trace_seq *s, struct 
> tep_record *record,
>   */
>  static void osnoise_top_header(struct osnoise_tool *top)
>  {
> -     struct osnoise_top_params *params = top->params;
> +     struct osnoise_params *params = top->params;
>       struct trace_seq *s = top->trace.seq;
>       char duration[26];
>  
> @@ -218,7 +184,7 @@ static void clear_terminal(struct trace_seq *seq)
>   */
>  static void osnoise_top_print(struct osnoise_tool *tool, int cpu)
>  {
> -     struct osnoise_top_params *params = tool->params;
> +     struct osnoise_params *params = tool->params;
>       struct trace_seq *s = tool->trace.seq;
>       struct osnoise_top_cpu *cpu_data;
>       struct osnoise_top_data *data;
> @@ -258,7 +224,7 @@ static void osnoise_top_print(struct osnoise_tool *tool, 
> int cpu)
>   * osnoise_print_stats - print data for all cpus
>   */
>  static void
> -osnoise_print_stats(struct osnoise_top_params *params, struct osnoise_tool 
> *top)
> +osnoise_print_stats(struct osnoise_params *params, struct osnoise_tool *top)
>  {
>       struct trace_instance *trace = &top->trace;
>       static int nr_cpus = -1;
> @@ -286,7 +252,7 @@ osnoise_print_stats(struct osnoise_top_params *params, 
> struct osnoise_tool *top)
>  /*
>   * osnoise_top_usage - prints osnoise top usage message
>   */
> -static void osnoise_top_usage(struct osnoise_top_params *params, char *usage)
> +static void osnoise_top_usage(struct osnoise_params *params, char *usage)
>  {
>       int i;
>  
> @@ -354,9 +320,9 @@ static void osnoise_top_usage(struct osnoise_top_params 
> *params, char *usage)
>  /*
>   * osnoise_top_parse_args - allocs, parse and fill the cmd line parameters
>   */
> -struct osnoise_top_params *osnoise_top_parse_args(int argc, char **argv)
> +struct osnoise_params *osnoise_top_parse_args(int argc, char **argv)
>  {
> -     struct osnoise_top_params *params;
> +     struct osnoise_params *params;
>       struct trace_events *tevent;
>       int retval;
>       int c;
> @@ -553,7 +519,7 @@ struct osnoise_top_params *osnoise_top_parse_args(int 
> argc, char **argv)
>   * osnoise_top_apply_config - apply the top configs to the initialized tool
>   */
>  static int
> -osnoise_top_apply_config(struct osnoise_tool *tool, struct 
> osnoise_top_params *params)
> +osnoise_top_apply_config(struct osnoise_tool *tool, struct osnoise_params 
> *params)
>  {
>       int retval;
>  
> @@ -640,7 +606,7 @@ osnoise_top_apply_config(struct osnoise_tool *tool, 
> struct osnoise_top_params *p
>  /*
>   * osnoise_init_top - initialize a osnoise top tool with parameters
>   */
> -struct osnoise_tool *osnoise_init_top(struct osnoise_top_params *params)
> +struct osnoise_tool *osnoise_init_top(struct osnoise_params *params)
>  {
>       struct osnoise_tool *tool;
>       int nr_cpus;
> @@ -674,7 +640,7 @@ static void stop_top(int sig)
>  /*
>   * osnoise_top_set_signals - handles the signal to stop the tool
>   */
> -static void osnoise_top_set_signals(struct osnoise_top_params *params)
> +static void osnoise_top_set_signals(struct osnoise_params *params)
>  {
>       signal(SIGINT, stop_top);
>       if (params->duration) {
> @@ -685,7 +651,7 @@ static void osnoise_top_set_signals(struct 
> osnoise_top_params *params)
>  
>  int osnoise_top_main(int argc, char **argv)
>  {
> -     struct osnoise_top_params *params;
> +     struct osnoise_params *params;
>       struct osnoise_tool *record = NULL;
>       struct osnoise_tool *tool = NULL;
>       struct trace_instance *trace;
> diff --git a/tools/tracing/rtla/src/timerlat.h 
> b/tools/tracing/rtla/src/timerlat.h
> index e452d385cb0f..cadc613dc82e 100644
> --- a/tools/tracing/rtla/src/timerlat.h
> +++ b/tools/tracing/rtla/src/timerlat.h
> @@ -1,5 +1,4 @@
>  // SPDX-License-Identifier: GPL-2.0
> -#include "utils.h"
>  #include "osnoise.h"
>  
>  struct timerlat_params {
> -- 

Reviewed-by: John Kacur <[email protected]>


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