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

From: Namhyung Kim
Date: Wed Nov 23 2022 - 13:04:09 EST


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@xxxxxxxxxx>
---
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