[09/15] perf stat: Pass struct outstate to print_metric_begin()

Message ID 20221123180208.2068936-10-namhyung@kernel.org
State New
Headers
Series perf stat: Improve perf stat output (v2) |

Commit Message

Namhyung Kim Nov. 23, 2022, 6:02 p.m. UTC
  It passes prefix and cgroup pointers but the outstate already has them.
Let's pass the outstate pointer instead.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/util/stat-display.c | 50 +++++++++++++++++++---------------
 1 file changed, 28 insertions(+), 22 deletions(-)
  

Comments

Ian Rogers Nov. 23, 2022, 11:25 p.m. UTC | #1
On Wed, Nov 23, 2022 at 10:02 AM Namhyung Kim <namhyung@kernel.org> wrote:
>
> It passes prefix and cgroup pointers but the outstate already has them.
> Let's pass the outstate pointer instead.
>
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>

Acked-by: Ian Rogers <irogers@google.com>

Thanks,
Ian

> ---
>  tools/perf/util/stat-display.c | 50 +++++++++++++++++++---------------
>  1 file changed, 28 insertions(+), 22 deletions(-)
>
> diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
> index 70aebf359e16..3ed63061d6f8 100644
> --- a/tools/perf/util/stat-display.c
> +++ b/tools/perf/util/stat-display.c
> @@ -843,8 +843,7 @@ static void print_counter_aggrdata(struct perf_stat_config *config,
>
>  static void print_metric_begin(struct perf_stat_config *config,
>                                struct evlist *evlist,
> -                              const char *prefix, int aggr_idx,
> -                              struct cgroup *cgrp)
> +                              struct outstate *os, int aggr_idx)
>  {
>         struct perf_stat_aggr *aggr;
>         struct aggr_cpu_id id;
> @@ -853,15 +852,15 @@ static void print_metric_begin(struct perf_stat_config *config,
>         if (!config->metric_only)
>                 return;
>
> -       if (prefix)
> -               fprintf(config->output, "%s", prefix);
> +       if (os->prefix)
> +               fprintf(config->output, "%s", os->prefix);
>
>         evsel = evlist__first(evlist);
>         id = config->aggr_map->map[aggr_idx];
>         aggr = &evsel->stats->aggr[aggr_idx];
>         aggr_printout(config, evsel, id, aggr->nr);
>
> -       print_cgroup(config, cgrp);
> +       print_cgroup(config, os->cgrp);
>  }
>
>  static void print_metric_end(struct perf_stat_config *config)
> @@ -877,6 +876,9 @@ static void print_aggr(struct perf_stat_config *config,
>                        const char *prefix)
>  {
>         struct evsel *counter;
> +       struct outstate os = {
> +               .prefix = prefix,
> +       };
>         int s;
>
>         if (!config->aggr_map || !config->aggr_get_id)
> @@ -887,7 +889,7 @@ static void print_aggr(struct perf_stat_config *config,
>          * Without each counter has its own line.
>          */
>         for (s = 0; s < config->aggr_map->nr; s++) {
> -               print_metric_begin(config, evlist, prefix, s, /*cgrp=*/NULL);
> +               print_metric_begin(config, evlist, &os, s);
>
>                 evlist__for_each_entry(evlist, counter) {
>                         if (counter->merged_stat)
> @@ -904,26 +906,28 @@ static void print_aggr_cgroup(struct perf_stat_config *config,
>                               const char *prefix)
>  {
>         struct evsel *counter, *evsel;
> -       struct cgroup *cgrp = NULL;
> +       struct outstate os = {
> +               .prefix = prefix,
> +       };
>         int s;
>
>         if (!config->aggr_map || !config->aggr_get_id)
>                 return;
>
>         evlist__for_each_entry(evlist, evsel) {
> -               if (cgrp == evsel->cgrp)
> +               if (os.cgrp == evsel->cgrp)
>                         continue;
>
> -               cgrp = evsel->cgrp;
> +               os.cgrp = evsel->cgrp;
>
>                 for (s = 0; s < config->aggr_map->nr; s++) {
> -                       print_metric_begin(config, evlist, prefix, s, cgrp);
> +                       print_metric_begin(config, evlist, &os, s);
>
>                         evlist__for_each_entry(evlist, counter) {
>                                 if (counter->merged_stat)
>                                         continue;
>
> -                               if (counter->cgrp != cgrp)
> +                               if (counter->cgrp != os.cgrp)
>                                         continue;
>
>                                 print_counter_aggrdata(config, counter, s, prefix);
> @@ -956,6 +960,9 @@ static void print_no_aggr_metric(struct perf_stat_config *config,
>  {
>         int all_idx;
>         struct perf_cpu cpu;
> +       struct outstate os = {
> +               .prefix = prefix,
> +       };
>
>         perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.user_requested_cpus) {
>                 struct evsel *counter;
> @@ -973,8 +980,7 @@ static void print_no_aggr_metric(struct perf_stat_config *config,
>
>                         id = aggr_cpu_id__cpu(cpu, /*data=*/NULL);
>                         if (first) {
> -                               print_metric_begin(config, evlist, prefix,
> -                                                  counter_idx, /*cgrp=*/NULL);
> +                               print_metric_begin(config, evlist, &os, counter_idx);
>                                 first = false;
>                         }
>                         val = ps->aggr[counter_idx].counts.val;
> @@ -1347,22 +1353,23 @@ static void print_percore(struct perf_stat_config *config,
>  static void print_cgroup_counter(struct perf_stat_config *config, struct evlist *evlist,
>                                  const char *prefix)
>  {
> -       struct cgroup *cgrp = NULL;
>         struct evsel *counter;
> +       struct outstate os = {
> +               .prefix = prefix,
> +       };
>
>         evlist__for_each_entry(evlist, counter) {
> -               if (cgrp != counter->cgrp) {
> -                       if (cgrp != NULL)
> +               if (os.cgrp != counter->cgrp) {
> +                       if (os.cgrp != NULL)
>                                 print_metric_end(config);
>
> -                       cgrp = counter->cgrp;
> -                       print_metric_begin(config, evlist, prefix,
> -                                          /*aggr_idx=*/0, cgrp);
> +                       os.cgrp = counter->cgrp;
> +                       print_metric_begin(config, evlist, &os, /*aggr_idx=*/0);
>                 }
>
>                 print_counter(config, counter, prefix);
>         }
> -       if (cgrp)
> +       if (os.cgrp)
>                 print_metric_end(config);
>  }
>
> @@ -1405,8 +1412,7 @@ void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *conf
>                 } else if (config->cgroup_list) {
>                         print_cgroup_counter(config, evlist, os.prefix);
>                 } else {
> -                       print_metric_begin(config, evlist, os.prefix,
> -                                          /*aggr_idx=*/0, /*cgrp=*/NULL);
> +                       print_metric_begin(config, evlist, &os, /*aggr_idx=*/0);
>                         evlist__for_each_entry(evlist, counter) {
>                                 print_counter(config, counter, os.prefix);
>                         }
> --
> 2.38.1.584.g0f3c55d4c2-goog
>
  

Patch

diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index 70aebf359e16..3ed63061d6f8 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -843,8 +843,7 @@  static void print_counter_aggrdata(struct perf_stat_config *config,
 
 static void print_metric_begin(struct perf_stat_config *config,
 			       struct evlist *evlist,
-			       const char *prefix, int aggr_idx,
-			       struct cgroup *cgrp)
+			       struct outstate *os, int aggr_idx)
 {
 	struct perf_stat_aggr *aggr;
 	struct aggr_cpu_id id;
@@ -853,15 +852,15 @@  static void print_metric_begin(struct perf_stat_config *config,
 	if (!config->metric_only)
 		return;
 
-	if (prefix)
-		fprintf(config->output, "%s", prefix);
+	if (os->prefix)
+		fprintf(config->output, "%s", os->prefix);
 
 	evsel = evlist__first(evlist);
 	id = config->aggr_map->map[aggr_idx];
 	aggr = &evsel->stats->aggr[aggr_idx];
 	aggr_printout(config, evsel, id, aggr->nr);
 
-	print_cgroup(config, cgrp);
+	print_cgroup(config, os->cgrp);
 }
 
 static void print_metric_end(struct perf_stat_config *config)
@@ -877,6 +876,9 @@  static void print_aggr(struct perf_stat_config *config,
 		       const char *prefix)
 {
 	struct evsel *counter;
+	struct outstate os = {
+		.prefix = prefix,
+	};
 	int s;
 
 	if (!config->aggr_map || !config->aggr_get_id)
@@ -887,7 +889,7 @@  static void print_aggr(struct perf_stat_config *config,
 	 * Without each counter has its own line.
 	 */
 	for (s = 0; s < config->aggr_map->nr; s++) {
-		print_metric_begin(config, evlist, prefix, s, /*cgrp=*/NULL);
+		print_metric_begin(config, evlist, &os, s);
 
 		evlist__for_each_entry(evlist, counter) {
 			if (counter->merged_stat)
@@ -904,26 +906,28 @@  static void print_aggr_cgroup(struct perf_stat_config *config,
 			      const char *prefix)
 {
 	struct evsel *counter, *evsel;
-	struct cgroup *cgrp = NULL;
+	struct outstate os = {
+		.prefix = prefix,
+	};
 	int s;
 
 	if (!config->aggr_map || !config->aggr_get_id)
 		return;
 
 	evlist__for_each_entry(evlist, evsel) {
-		if (cgrp == evsel->cgrp)
+		if (os.cgrp == evsel->cgrp)
 			continue;
 
-		cgrp = evsel->cgrp;
+		os.cgrp = evsel->cgrp;
 
 		for (s = 0; s < config->aggr_map->nr; s++) {
-			print_metric_begin(config, evlist, prefix, s, cgrp);
+			print_metric_begin(config, evlist, &os, s);
 
 			evlist__for_each_entry(evlist, counter) {
 				if (counter->merged_stat)
 					continue;
 
-				if (counter->cgrp != cgrp)
+				if (counter->cgrp != os.cgrp)
 					continue;
 
 				print_counter_aggrdata(config, counter, s, prefix);
@@ -956,6 +960,9 @@  static void print_no_aggr_metric(struct perf_stat_config *config,
 {
 	int all_idx;
 	struct perf_cpu cpu;
+	struct outstate os = {
+		.prefix = prefix,
+	};
 
 	perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.user_requested_cpus) {
 		struct evsel *counter;
@@ -973,8 +980,7 @@  static void print_no_aggr_metric(struct perf_stat_config *config,
 
 			id = aggr_cpu_id__cpu(cpu, /*data=*/NULL);
 			if (first) {
-				print_metric_begin(config, evlist, prefix,
-						   counter_idx, /*cgrp=*/NULL);
+				print_metric_begin(config, evlist, &os, counter_idx);
 				first = false;
 			}
 			val = ps->aggr[counter_idx].counts.val;
@@ -1347,22 +1353,23 @@  static void print_percore(struct perf_stat_config *config,
 static void print_cgroup_counter(struct perf_stat_config *config, struct evlist *evlist,
 				 const char *prefix)
 {
-	struct cgroup *cgrp = NULL;
 	struct evsel *counter;
+	struct outstate os = {
+		.prefix = prefix,
+	};
 
 	evlist__for_each_entry(evlist, counter) {
-		if (cgrp != counter->cgrp) {
-			if (cgrp != NULL)
+		if (os.cgrp != counter->cgrp) {
+			if (os.cgrp != NULL)
 				print_metric_end(config);
 
-			cgrp = counter->cgrp;
-			print_metric_begin(config, evlist, prefix,
-					   /*aggr_idx=*/0, cgrp);
+			os.cgrp = counter->cgrp;
+			print_metric_begin(config, evlist, &os, /*aggr_idx=*/0);
 		}
 
 		print_counter(config, counter, prefix);
 	}
-	if (cgrp)
+	if (os.cgrp)
 		print_metric_end(config);
 }
 
@@ -1405,8 +1412,7 @@  void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *conf
 		} else if (config->cgroup_list) {
 			print_cgroup_counter(config, evlist, os.prefix);
 		} else {
-			print_metric_begin(config, evlist, os.prefix,
-					   /*aggr_idx=*/0, /*cgrp=*/NULL);
+			print_metric_begin(config, evlist, &os, /*aggr_idx=*/0);
 			evlist__for_each_entry(evlist, counter) {
 				print_counter(config, counter, os.prefix);
 			}