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Subject[PATCH 61/77] perf stat: Move *_aggr_* data to 'struct perf_stat_config'
Date
From: Jiri Olsa <jolsa@kernel.org>

Move the *_aggr_* global variables to 'struct perf_stat_config', so that
it can be passed around and used outside 'perf stat' command.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180830063252.23729-37-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-stat.c | 112 ++++++++++++++++++++++++----------------------
tools/perf/util/stat.h | 6 +++
2 files changed, 64 insertions(+), 54 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 942ebfd8ef2e..2f606f76b66a 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -143,8 +143,6 @@ static struct target target = {
.uid = UINT_MAX,
};

-typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu);
-
#define METRIC_ONLY_LEN 20

static volatile pid_t child_pid = -1;
@@ -164,8 +162,6 @@ static bool force_metric_only = false;
static bool no_merge = false;
static bool walltime_run_table = false;
static struct timespec ref_time;
-static struct cpu_map *aggr_map;
-static aggr_get_id_t aggr_get_id;
static bool append_file;
static bool interval_count;
static const char *output_name;
@@ -920,7 +916,7 @@ static int first_shadow_cpu(struct perf_stat_config *config,
{
int i;

- if (!aggr_get_id)
+ if (!config->aggr_get_id)
return 0;

if (config->aggr_mode == AGGR_NONE)
@@ -932,7 +928,7 @@ static int first_shadow_cpu(struct perf_stat_config *config,
for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) {
int cpu2 = perf_evsel__cpus(evsel)->map[i];

- if (aggr_get_id(evsel_list->cpus, cpu2) == id)
+ if (config->aggr_get_id(config, evsel_list->cpus, cpu2) == id)
return cpu2;
}
return 0;
@@ -1102,12 +1098,12 @@ static void aggr_update_shadow(struct perf_stat_config *config,
u64 val;
struct perf_evsel *counter;

- for (s = 0; s < aggr_map->nr; s++) {
- id = aggr_map->map[s];
+ for (s = 0; s < config->aggr_map->nr; s++) {
+ id = config->aggr_map->map[s];
evlist__for_each_entry(evlist, counter) {
val = 0;
for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
- s2 = aggr_get_id(evsel_list->cpus, cpu);
+ s2 = config->aggr_get_id(config, evsel_list->cpus, cpu);
if (s2 != id)
continue;
val += perf_counts(counter->counts, cpu, 0)->val;
@@ -1147,8 +1143,8 @@ static void uniquify_event_name(struct perf_evsel *counter)
counter->uniquified_name = true;
}

-static void collect_all_aliases(struct perf_evsel *counter,
- void (*cb)(struct perf_evsel *counter, void *data,
+static void collect_all_aliases(struct perf_stat_config *config, struct perf_evsel *counter,
+ void (*cb)(struct perf_stat_config *config, struct perf_evsel *counter, void *data,
bool first),
void *data)
{
@@ -1164,22 +1160,22 @@ static void collect_all_aliases(struct perf_evsel *counter,
perf_evsel__is_clock(alias) != perf_evsel__is_clock(counter))
break;
alias->merged_stat = true;
- cb(alias, data, false);
+ cb(config, alias, data, false);
}
}

-static bool collect_data(struct perf_evsel *counter,
- void (*cb)(struct perf_evsel *counter, void *data,
+static bool collect_data(struct perf_stat_config *config, struct perf_evsel *counter,
+ void (*cb)(struct perf_stat_config *config, struct perf_evsel *counter, void *data,
bool first),
void *data)
{
if (counter->merged_stat)
return false;
- cb(counter, data, true);
+ cb(config, counter, data, true);
if (no_merge)
uniquify_event_name(counter);
else if (counter->auto_merge_stats)
- collect_all_aliases(counter, cb, data);
+ collect_all_aliases(config, counter, cb, data);
return true;
}

@@ -1190,7 +1186,8 @@ struct aggr_data {
int cpu;
};

-static void aggr_cb(struct perf_evsel *counter, void *data, bool first)
+static void aggr_cb(struct perf_stat_config *config,
+ struct perf_evsel *counter, void *data, bool first)
{
struct aggr_data *ad = data;
int cpu, s2;
@@ -1198,7 +1195,7 @@ static void aggr_cb(struct perf_evsel *counter, void *data, bool first)
for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
struct perf_counts_values *counts;

- s2 = aggr_get_id(perf_evsel__cpus(counter), cpu);
+ s2 = config->aggr_get_id(config, perf_evsel__cpus(counter), cpu);
if (s2 != ad->id)
continue;
if (first)
@@ -1232,7 +1229,7 @@ static void print_aggr(struct perf_stat_config *config,
u64 ena, run, val;
bool first;

- if (!(aggr_map || aggr_get_id))
+ if (!(config->aggr_map || config->aggr_get_id))
return;

aggr_update_shadow(config, evlist);
@@ -1241,12 +1238,12 @@ static void print_aggr(struct perf_stat_config *config,
* With metric_only everything is on a single line.
* Without each counter has its own line.
*/
- for (s = 0; s < aggr_map->nr; s++) {
+ for (s = 0; s < config->aggr_map->nr; s++) {
struct aggr_data ad;
if (prefix && metric_only)
fprintf(output, "%s", prefix);

- ad.id = id = aggr_map->map[s];
+ ad.id = id = config->aggr_map->map[s];
first = true;
evlist__for_each_entry(evlist, counter) {
if (is_duration_time(counter))
@@ -1254,7 +1251,7 @@ static void print_aggr(struct perf_stat_config *config,

ad.val = ad.ena = ad.run = 0;
ad.nr = 0;
- if (!collect_data(counter, aggr_cb, &ad))
+ if (!collect_data(config, counter, aggr_cb, &ad))
continue;
nr = ad.nr;
ena = ad.ena;
@@ -1370,7 +1367,8 @@ struct caggr_data {
double avg, avg_enabled, avg_running;
};

-static void counter_aggr_cb(struct perf_evsel *counter, void *data,
+static void counter_aggr_cb(struct perf_stat_config *config __maybe_unused,
+ struct perf_evsel *counter, void *data,
bool first __maybe_unused)
{
struct caggr_data *cd = data;
@@ -1393,7 +1391,7 @@ static void print_counter_aggr(struct perf_stat_config *config,
double uval;
struct caggr_data cd = { .avg = 0.0 };

- if (!collect_data(counter, counter_aggr_cb, &cd))
+ if (!collect_data(config, counter, counter_aggr_cb, &cd))
return;

if (prefix && !metric_only)
@@ -1406,7 +1404,8 @@ static void print_counter_aggr(struct perf_stat_config *config,
fprintf(output, "\n");
}

-static void counter_cb(struct perf_evsel *counter, void *data,
+static void counter_cb(struct perf_stat_config *config __maybe_unused,
+ struct perf_evsel *counter, void *data,
bool first __maybe_unused)
{
struct aggr_data *ad = data;
@@ -1431,7 +1430,7 @@ static void print_counter(struct perf_stat_config *config,
for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
struct aggr_data ad = { .cpu = cpu };

- if (!collect_data(counter, counter_cb, &ad))
+ if (!collect_data(config, counter, counter_cb, &ad))
return;
val = ad.val;
ena = ad.ena;
@@ -1944,12 +1943,14 @@ static const struct option stat_options[] = {
OPT_END()
};

-static int perf_stat__get_socket(struct cpu_map *map, int cpu)
+static int perf_stat__get_socket(struct perf_stat_config *config __maybe_unused,
+ struct cpu_map *map, int cpu)
{
return cpu_map__get_socket(map, cpu, NULL);
}

-static int perf_stat__get_core(struct cpu_map *map, int cpu)
+static int perf_stat__get_core(struct perf_stat_config *config __maybe_unused,
+ struct cpu_map *map, int cpu)
{
return cpu_map__get_core(map, cpu, NULL);
}
@@ -1966,9 +1967,8 @@ static int cpu_map__get_max(struct cpu_map *map)
return max;
}

-static struct cpu_map *cpus_aggr_map;
-
-static int perf_stat__get_aggr(aggr_get_id_t get_id, struct cpu_map *map, int idx)
+static int perf_stat__get_aggr(struct perf_stat_config *config,
+ aggr_get_id_t get_id, struct cpu_map *map, int idx)
{
int cpu;

@@ -1977,20 +1977,22 @@ static int perf_stat__get_aggr(aggr_get_id_t get_id, struct cpu_map *map, int id

cpu = map->map[idx];

- if (cpus_aggr_map->map[cpu] == -1)
- cpus_aggr_map->map[cpu] = get_id(map, idx);
+ if (config->cpus_aggr_map->map[cpu] == -1)
+ config->cpus_aggr_map->map[cpu] = get_id(config, map, idx);

- return cpus_aggr_map->map[cpu];
+ return config->cpus_aggr_map->map[cpu];
}

-static int perf_stat__get_socket_cached(struct cpu_map *map, int idx)
+static int perf_stat__get_socket_cached(struct perf_stat_config *config,
+ struct cpu_map *map, int idx)
{
- return perf_stat__get_aggr(perf_stat__get_socket, map, idx);
+ return perf_stat__get_aggr(config, perf_stat__get_socket, map, idx);
}

-static int perf_stat__get_core_cached(struct cpu_map *map, int idx)
+static int perf_stat__get_core_cached(struct perf_stat_config *config,
+ struct cpu_map *map, int idx)
{
- return perf_stat__get_aggr(perf_stat__get_core, map, idx);
+ return perf_stat__get_aggr(config, perf_stat__get_core, map, idx);
}

static int perf_stat_init_aggr_mode(void)
@@ -1999,18 +2001,18 @@ static int perf_stat_init_aggr_mode(void)

switch (stat_config.aggr_mode) {
case AGGR_SOCKET:
- if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) {
+ if (cpu_map__build_socket_map(evsel_list->cpus, &stat_config.aggr_map)) {
perror("cannot build socket map");
return -1;
}
- aggr_get_id = perf_stat__get_socket_cached;
+ stat_config.aggr_get_id = perf_stat__get_socket_cached;
break;
case AGGR_CORE:
- if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) {
+ if (cpu_map__build_core_map(evsel_list->cpus, &stat_config.aggr_map)) {
perror("cannot build core map");
return -1;
}
- aggr_get_id = perf_stat__get_core_cached;
+ stat_config.aggr_get_id = perf_stat__get_core_cached;
break;
case AGGR_NONE:
case AGGR_GLOBAL:
@@ -2026,16 +2028,16 @@ static int perf_stat_init_aggr_mode(void)
* the aggregation translate cpumap.
*/
nr = cpu_map__get_max(evsel_list->cpus);
- cpus_aggr_map = cpu_map__empty_new(nr + 1);
- return cpus_aggr_map ? 0 : -ENOMEM;
+ stat_config.cpus_aggr_map = cpu_map__empty_new(nr + 1);
+ return stat_config.cpus_aggr_map ? 0 : -ENOMEM;
}

static void perf_stat__exit_aggr_mode(void)
{
- cpu_map__put(aggr_map);
- cpu_map__put(cpus_aggr_map);
- aggr_map = NULL;
- cpus_aggr_map = NULL;
+ cpu_map__put(stat_config.aggr_map);
+ cpu_map__put(stat_config.cpus_aggr_map);
+ stat_config.aggr_map = NULL;
+ stat_config.cpus_aggr_map = NULL;
}

static inline int perf_env__get_cpu(struct perf_env *env, struct cpu_map *map, int idx)
@@ -2093,12 +2095,14 @@ static int perf_env__build_core_map(struct perf_env *env, struct cpu_map *cpus,
return cpu_map__build_map(cpus, corep, perf_env__get_core, env);
}

-static int perf_stat__get_socket_file(struct cpu_map *map, int idx)
+static int perf_stat__get_socket_file(struct perf_stat_config *config __maybe_unused,
+ struct cpu_map *map, int idx)
{
return perf_env__get_socket(map, idx, &perf_stat.session->header.env);
}

-static int perf_stat__get_core_file(struct cpu_map *map, int idx)
+static int perf_stat__get_core_file(struct perf_stat_config *config __maybe_unused,
+ struct cpu_map *map, int idx)
{
return perf_env__get_core(map, idx, &perf_stat.session->header.env);
}
@@ -2109,18 +2113,18 @@ static int perf_stat_init_aggr_mode_file(struct perf_stat *st)

switch (stat_config.aggr_mode) {
case AGGR_SOCKET:
- if (perf_env__build_socket_map(env, evsel_list->cpus, &aggr_map)) {
+ if (perf_env__build_socket_map(env, evsel_list->cpus, &stat_config.aggr_map)) {
perror("cannot build socket map");
return -1;
}
- aggr_get_id = perf_stat__get_socket_file;
+ stat_config.aggr_get_id = perf_stat__get_socket_file;
break;
case AGGR_CORE:
- if (perf_env__build_core_map(env, evsel_list->cpus, &aggr_map)) {
+ if (perf_env__build_core_map(env, evsel_list->cpus, &stat_config.aggr_map)) {
perror("cannot build core map");
return -1;
}
- aggr_get_id = perf_stat__get_core_file;
+ stat_config.aggr_get_id = perf_stat__get_core_file;
break;
case AGGR_NONE:
case AGGR_GLOBAL:
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 1fd0b7e196c6..be202b066e62 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -90,6 +90,9 @@ struct runtime_stat {
struct rblist value_list;
};

+typedef int (*aggr_get_id_t)(struct perf_stat_config *config,
+ struct cpu_map *m, int cpu);
+
struct perf_stat_config {
enum aggr_mode aggr_mode;
bool scale;
@@ -115,6 +118,9 @@ struct perf_stat_config {
const char *csv_sep;
struct stats *walltime_nsecs_stats;
struct rusage ru_data;
+ struct cpu_map *aggr_map;
+ aggr_get_id_t aggr_get_id;
+ struct cpu_map *cpus_aggr_map;
};

void update_stats(struct stats *stats, u64 val);
--
2.14.4
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