perf stat: Rename perf_stat struct into perf_stat_evsel

It's used as the perf_evsel::priv data, so the name suits better. Also
we'll need the perf_stat name free for more generic struct.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1444992092-17897-29-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-stat.c

@@ -434,7 +434,7 @@ static void print_noise_pct(double total, double avg)
 
 static void print_noise(struct perf_evsel *evsel, double avg)
 {
-	struct perf_stat *ps;
+	struct perf_stat_evsel *ps;
 
 	if (run_count == 1)
 		return;
@@ -671,7 +671,7 @@ static void print_aggr_thread(struct perf_evsel *counter, char *prefix)
 static void print_counter_aggr(struct perf_evsel *counter, char *prefix)
 {
 	FILE *output = stat_config.output;
-	struct perf_stat *ps = counter->priv;
+	struct perf_stat_evsel *ps = counter->priv;
 	double avg = avg_stats(&ps->res_stats[0]);
 	int scaled = counter->counts->scaled;
 	double uval;

tools/perf/util/stat.c

@@ -67,7 +67,7 @@ double rel_stddev_stats(double stddev, double avg)
 bool __perf_evsel_stat__is(struct perf_evsel *evsel,
 			   enum perf_stat_evsel_id id)
 {
-	struct perf_stat *ps = evsel->priv;
+	struct perf_stat_evsel *ps = evsel->priv;
 
 	return ps->id == id;
 }
@@ -84,7 +84,7 @@ static const char *id_str[PERF_STAT_EVSEL_ID__MAX] = {
 
 void perf_stat_evsel_id_init(struct perf_evsel *evsel)
 {
-	struct perf_stat *ps = evsel->priv;
+	struct perf_stat_evsel *ps = evsel->priv;
 	int i;
 
 	/* ps->id is 0 hence PERF_STAT_EVSEL_ID__NONE by default */
@@ -100,7 +100,7 @@ void perf_stat_evsel_id_init(struct perf_evsel *evsel)
 void perf_evsel__reset_stat_priv(struct perf_evsel *evsel)
 {
 	int i;
-	struct perf_stat *ps = evsel->priv;
+	struct perf_stat_evsel *ps = evsel->priv;
 
 	for (i = 0; i < 3; i++)
 		init_stats(&ps->res_stats[i]);
@@ -110,7 +110,7 @@ void perf_evsel__reset_stat_priv(struct perf_evsel *evsel)
 
 int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel)
 {
-	evsel->priv = zalloc(sizeof(struct perf_stat));
+	evsel->priv = zalloc(sizeof(struct perf_stat_evsel));
 	if (evsel->priv == NULL)
 		return -ENOMEM;
 	perf_evsel__reset_stat_priv(evsel);
@@ -304,7 +304,7 @@ int perf_stat_process_counter(struct perf_stat_config *config,
 			      struct perf_evsel *counter)
 {
 	struct perf_counts_values *aggr = &counter->counts->aggr;
-	struct perf_stat *ps = counter->priv;
+	struct perf_stat_evsel *ps = counter->priv;
 	u64 *count = counter->counts->aggr.values;
 	int i, ret;
 

tools/perf/util/stat.h

@@ -20,7 +20,7 @@ enum perf_stat_evsel_id {
 	PERF_STAT_EVSEL_ID__MAX,
 };
 
-struct perf_stat {
+struct perf_stat_evsel {
 	struct stats		res_stats[3];
 	enum perf_stat_evsel_id	id;
 };