[mirror_ubuntu-artful-kernel.git] / tools / perf / util / stat.c

#include <errno.h>
#include <inttypes.h>
#include <math.h>
#include "stat.h"
#include "evlist.h"
#include "evsel.h"
#include "thread_map.h"

void update_stats(struct stats *stats, u64 val)
{
	double delta;

	stats->n++;
	delta = val - stats->mean;
	stats->mean += delta / stats->n;
	stats->M2 += delta*(val - stats->mean);

	if (val > stats->max)
		stats->max = val;

	if (val < stats->min)
		stats->min = val;
}

double avg_stats(struct stats *stats)
{
	return stats->mean;
}

/*
 * http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
 *
 *       (\Sum n_i^2) - ((\Sum n_i)^2)/n
 * s^2 = -------------------------------
 *                  n - 1
 *
 * http://en.wikipedia.org/wiki/Stddev
 *
 * The std dev of the mean is related to the std dev by:
 *
 *             s
 * s_mean = -------
 *          sqrt(n)
 *
 */
double stddev_stats(struct stats *stats)
{
	double variance, variance_mean;

	if (stats->n < 2)
		return 0.0;

	variance = stats->M2 / (stats->n - 1);
	variance_mean = variance / stats->n;

	return sqrt(variance_mean);
}

double rel_stddev_stats(double stddev, double avg)
{
	double pct = 0.0;

	if (avg)
		pct = 100.0 * stddev/avg;

	return pct;
}

bool __perf_evsel_stat__is(struct perf_evsel *evsel,
			   enum perf_stat_evsel_id id)
{
	struct perf_stat_evsel *ps = evsel->priv;

	return ps->id == id;
}

#define ID(id, name) [PERF_STAT_EVSEL_ID__##id] = #name
static const char *id_str[PERF_STAT_EVSEL_ID__MAX] = {
	ID(NONE,		x),
	ID(CYCLES_IN_TX,	cpu/cycles-t/),
	ID(TRANSACTION_START,	cpu/tx-start/),
	ID(ELISION_START,	cpu/el-start/),
	ID(CYCLES_IN_TX_CP,	cpu/cycles-ct/),
	ID(TOPDOWN_TOTAL_SLOTS, topdown-total-slots),
	ID(TOPDOWN_SLOTS_ISSUED, topdown-slots-issued),
	ID(TOPDOWN_SLOTS_RETIRED, topdown-slots-retired),
	ID(TOPDOWN_FETCH_BUBBLES, topdown-fetch-bubbles),
	ID(TOPDOWN_RECOVERY_BUBBLES, topdown-recovery-bubbles),
	ID(SMI_NUM, msr/smi/),
	ID(APERF, msr/aperf/),
};
#undef ID

void perf_stat_evsel_id_init(struct perf_evsel *evsel)
{
	struct perf_stat_evsel *ps = evsel->priv;
	int i;

	/* ps->id is 0 hence PERF_STAT_EVSEL_ID__NONE by default */

	for (i = 0; i < PERF_STAT_EVSEL_ID__MAX; i++) {
		if (!strcmp(perf_evsel__name(evsel), id_str[i])) {
			ps->id = i;
			break;
		}
	}
}

static void perf_evsel__reset_stat_priv(struct perf_evsel *evsel)
{
	int i;
	struct perf_stat_evsel *ps = evsel->priv;

	for (i = 0; i < 3; i++)
		init_stats(&ps->res_stats[i]);

	perf_stat_evsel_id_init(evsel);
}

static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel)
{
	evsel->priv = zalloc(sizeof(struct perf_stat_evsel));
	if (evsel->priv == NULL)
		return -ENOMEM;
	perf_evsel__reset_stat_priv(evsel);
	return 0;
}

static void perf_evsel__free_stat_priv(struct perf_evsel *evsel)
{
	zfree(&evsel->priv);
}

static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel,
					     int ncpus, int nthreads)
{
	struct perf_counts *counts;

	counts = perf_counts__new(ncpus, nthreads);
	if (counts)
		evsel->prev_raw_counts = counts;

	return counts ? 0 : -ENOMEM;
}

static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel)
{
	perf_counts__delete(evsel->prev_raw_counts);
	evsel->prev_raw_counts = NULL;
}

static int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw)
{
	int ncpus = perf_evsel__nr_cpus(evsel);
	int nthreads = thread_map__nr(evsel->threads);

	if (perf_evsel__alloc_stat_priv(evsel) < 0 ||
	    perf_evsel__alloc_counts(evsel, ncpus, nthreads) < 0 ||
	    (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel, ncpus, nthreads) < 0))
		return -ENOMEM;

	return 0;
}

int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw)
{
	struct perf_evsel *evsel;

	evlist__for_each_entry(evlist, evsel) {
		if (perf_evsel__alloc_stats(evsel, alloc_raw))
			goto out_free;
	}

	return 0;

out_free:
	perf_evlist__free_stats(evlist);
	return -1;
}

void perf_evlist__free_stats(struct perf_evlist *evlist)
{
	struct perf_evsel *evsel;

	evlist__for_each_entry(evlist, evsel) {
		perf_evsel__free_stat_priv(evsel);
		perf_evsel__free_counts(evsel);
		perf_evsel__free_prev_raw_counts(evsel);
	}
}

void perf_evlist__reset_stats(struct perf_evlist *evlist)
{
	struct perf_evsel *evsel;

	evlist__for_each_entry(evlist, evsel) {
		perf_evsel__reset_stat_priv(evsel);
		perf_evsel__reset_counts(evsel);
	}
}

static void zero_per_pkg(struct perf_evsel *counter)
{
	if (counter->per_pkg_mask)
		memset(counter->per_pkg_mask, 0, MAX_NR_CPUS);
}

static int check_per_pkg(struct perf_evsel *counter,
			 struct perf_counts_values *vals, int cpu, bool *skip)
{
	unsigned long *mask = counter->per_pkg_mask;
	struct cpu_map *cpus = perf_evsel__cpus(counter);
	int s;

	*skip = false;

	if (!counter->per_pkg)
		return 0;

	if (cpu_map__empty(cpus))
		return 0;

	if (!mask) {
		mask = zalloc(MAX_NR_CPUS);
		if (!mask)
			return -ENOMEM;

		counter->per_pkg_mask = mask;
	}

	/*
	 * we do not consider an event that has not run as a good
	 * instance to mark a package as used (skip=1). Otherwise
	 * we may run into a situation where the first CPU in a package
	 * is not running anything, yet the second is, and this function
	 * would mark the package as used after the first CPU and would
	 * not read the values from the second CPU.
	 */
	if (!(vals->run && vals->ena))
		return 0;

	s = cpu_map__get_socket(cpus, cpu, NULL);
	if (s < 0)
		return -1;

	*skip = test_and_set_bit(s, mask) == 1;
	return 0;
}

static int
process_counter_values(struct perf_stat_config *config, struct perf_evsel *evsel,
		       int cpu, int thread,
		       struct perf_counts_values *count)
{
	struct perf_counts_values *aggr = &evsel->counts->aggr;
	static struct perf_counts_values zero;
	bool skip = false;

	if (check_per_pkg(evsel, count, cpu, &skip)) {
		pr_err("failed to read per-pkg counter\n");
		return -1;
	}

	if (skip)
		count = &zero;

	switch (config->aggr_mode) {
	case AGGR_THREAD:
	case AGGR_CORE:
	case AGGR_SOCKET:
	case AGGR_NONE:
		if (!evsel->snapshot)
			perf_evsel__compute_deltas(evsel, cpu, thread, count);
		perf_counts_values__scale(count, config->scale, NULL);
		if (config->aggr_mode == AGGR_NONE)
			perf_stat__update_shadow_stats(evsel, count->values, cpu);
		break;
	case AGGR_GLOBAL:
		aggr->val += count->val;
		if (config->scale) {
			aggr->ena += count->ena;
			aggr->run += count->run;
		}
	case AGGR_UNSET:
	default:
		break;
	}

	return 0;
}

static int process_counter_maps(struct perf_stat_config *config,
				struct perf_evsel *counter)
{
	int nthreads = thread_map__nr(counter->threads);
	int ncpus = perf_evsel__nr_cpus(counter);
	int cpu, thread;

	if (counter->system_wide)
		nthreads = 1;

	for (thread = 0; thread < nthreads; thread++) {
		for (cpu = 0; cpu < ncpus; cpu++) {
			if (process_counter_values(config, counter, cpu, thread,
						   perf_counts(counter->counts, cpu, thread)))
				return -1;
		}
	}

	return 0;
}

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_evsel *ps = counter->priv;
	u64 *count = counter->counts->aggr.values;
	u64 val;
	int i, ret;

	aggr->val = aggr->ena = aggr->run = 0;

	/*
	 * We calculate counter's data every interval,
	 * and the display code shows ps->res_stats
	 * avg value. We need to zero the stats for
	 * interval mode, otherwise overall avg running
	 * averages will be shown for each interval.
	 */
	if (config->interval)
		init_stats(ps->res_stats);

	if (counter->per_pkg)
		zero_per_pkg(counter);

	ret = process_counter_maps(config, counter);
	if (ret)
		return ret;

	if (config->aggr_mode != AGGR_GLOBAL)
		return 0;

	if (!counter->snapshot)
		perf_evsel__compute_deltas(counter, -1, -1, aggr);
	perf_counts_values__scale(aggr, config->scale, &counter->counts->scaled);

	for (i = 0; i < 3; i++)
		update_stats(&ps->res_stats[i], count[i]);

	if (verbose > 0) {
		fprintf(config->output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
			perf_evsel__name(counter), count[0], count[1], count[2]);
	}

	/*
	 * Save the full runtime - to allow normalization during printout:
	 */
	val = counter->scale * *count;
	perf_stat__update_shadow_stats(counter, &val, 0);

	return 0;
}

int perf_event__process_stat_event(struct perf_tool *tool __maybe_unused,
				   union perf_event *event,
				   struct perf_session *session)
{
	struct perf_counts_values count;
	struct stat_event *st = &event->stat;
	struct perf_evsel *counter;

	count.val = st->val;
	count.ena = st->ena;
	count.run = st->run;

	counter = perf_evlist__id2evsel(session->evlist, st->id);
	if (!counter) {
		pr_err("Failed to resolve counter for stat event.\n");
		return -EINVAL;
	}

	*perf_counts(counter->counts, st->cpu, st->thread) = count;
	counter->supported = true;
	return 0;
}

size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp)
{
	struct stat_event *st = (struct stat_event *) event;
	size_t ret;

	ret  = fprintf(fp, "\n... id %" PRIu64 ", cpu %d, thread %d\n",
		       st->id, st->cpu, st->thread);
	ret += fprintf(fp, "... value %" PRIu64 ", enabled %" PRIu64 ", running %" PRIu64 "\n",
		       st->val, st->ena, st->run);

	return ret;
}

size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp)
{
	struct stat_round_event *rd = (struct stat_round_event *)event;
	size_t ret;

	ret = fprintf(fp, "\n... time %" PRIu64 ", type %s\n", rd->time,
		      rd->type == PERF_STAT_ROUND_TYPE__FINAL ? "FINAL" : "INTERVAL");

	return ret;
}

size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp)
{
	struct perf_stat_config sc;
	size_t ret;

	perf_event__read_stat_config(&sc, &event->stat_config);

	ret  = fprintf(fp, "\n");
	ret += fprintf(fp, "... aggr_mode %d\n", sc.aggr_mode);
	ret += fprintf(fp, "... scale     %d\n", sc.scale);
	ret += fprintf(fp, "... interval  %u\n", sc.interval);

	return ret;
}
Commit	Line	Data
a43783ae	1	#include <errno.h>
fd20e811	2	#include <inttypes.h>
0007ecea	3	#include <math.h>
0007ecea	4	#include "stat.h"
24e34f68	5	#include "evlist.h"
e2f56da1	6	#include "evsel.h"
24e34f68	7	#include "thread_map.h"
0007ecea XG	8
	9	void update_stats(struct stats *stats, u64 val)
	10	{
	11	double delta;
	12
	13	stats->n++;
	14	delta = val - stats->mean;
	15	stats->mean += delta / stats->n;
	16	stats->M2 += delta*(val - stats->mean);
ffe4f3c0 DA	17
	18	if (val > stats->max)
	19	stats->max = val;
	20
	21	if (val < stats->min)
	22	stats->min = val;
0007ecea XG	23	}
	24
	25	double avg_stats(struct stats *stats)
	26	{
	27	return stats->mean;
	28	}
	29
	30	/*
	31	* http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
	32	*
	33	* (\Sum n_i^2) - ((\Sum n_i)^2)/n
	34	* s^2 = -------------------------------
	35	* n - 1
	36	*
	37	* http://en.wikipedia.org/wiki/Stddev
	38	*
	39	* The std dev of the mean is related to the std dev by:
	40	*
	41	* s
	42	* s_mean = -------
	43	* sqrt(n)
	44	*
	45	*/
	46	double stddev_stats(struct stats *stats)
	47	{
	48	double variance, variance_mean;
	49
45528f7c	50	if (stats->n < 2)
0007ecea XG	51	return 0.0;
	52
	53	variance = stats->M2 / (stats->n - 1);
	54	variance_mean = variance / stats->n;
	55
	56	return sqrt(variance_mean);
	57	}
	58
	59	double rel_stddev_stats(double stddev, double avg)
	60	{
	61	double pct = 0.0;
	62
	63	if (avg)
	64	pct = 100.0 * stddev/avg;
	65
	66	return pct;
	67	}
e2f56da1 JO	68
	69	bool __perf_evsel_stat__is(struct perf_evsel *evsel,
	70	enum perf_stat_evsel_id id)
	71	{
581cc8a2	72	struct perf_stat_evsel *ps = evsel->priv;
e2f56da1 JO	73
	74	return ps->id == id;
	75	}
	76
	77	#define ID(id, name) [PERF_STAT_EVSEL_ID__##id] = #name
	78	static const char *id_str[PERF_STAT_EVSEL_ID__MAX] = {
4c358d5c JO	79	ID(NONE, x),
	80	ID(CYCLES_IN_TX, cpu/cycles-t/),
	81	ID(TRANSACTION_START, cpu/tx-start/),
	82	ID(ELISION_START, cpu/el-start/),
	83	ID(CYCLES_IN_TX_CP, cpu/cycles-ct/),
239bd47f AK	84	ID(TOPDOWN_TOTAL_SLOTS, topdown-total-slots),
	85	ID(TOPDOWN_SLOTS_ISSUED, topdown-slots-issued),
	86	ID(TOPDOWN_SLOTS_RETIRED, topdown-slots-retired),
	87	ID(TOPDOWN_FETCH_BUBBLES, topdown-fetch-bubbles),
	88	ID(TOPDOWN_RECOVERY_BUBBLES, topdown-recovery-bubbles),
daefd0bc KL	89	ID(SMI_NUM, msr/smi/),
daefd0bc KL	90	ID(APERF, msr/aperf/),
e2f56da1 JO	91	};
	92	#undef ID
	93
	94	void perf_stat_evsel_id_init(struct perf_evsel *evsel)
	95	{
581cc8a2	96	struct perf_stat_evsel *ps = evsel->priv;
e2f56da1 JO	97	int i;
	98
	99	/* ps->id is 0 hence PERF_STAT_EVSEL_ID__NONE by default */
	100
	101	for (i = 0; i < PERF_STAT_EVSEL_ID__MAX; i++) {
	102	if (!strcmp(perf_evsel__name(evsel), id_str[i])) {
	103	ps->id = i;
	104	break;
	105	}
	106	}
	107	}
a9a3a4d9	108
86a2cf31	109	static void perf_evsel__reset_stat_priv(struct perf_evsel *evsel)
9689edfa JO	110	{
9689edfa JO	111	int i;
581cc8a2	112	struct perf_stat_evsel *ps = evsel->priv;
9689edfa JO	113
	114	for (i = 0; i < 3; i++)
	115	init_stats(&ps->res_stats[i]);
	116
	117	perf_stat_evsel_id_init(evsel);
	118	}
	119
86a2cf31	120	static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel)
9689edfa	121	{
581cc8a2	122	evsel->priv = zalloc(sizeof(struct perf_stat_evsel));
9689edfa JO	123	if (evsel->priv == NULL)
	124	return -ENOMEM;
	125	perf_evsel__reset_stat_priv(evsel);
	126	return 0;
	127	}
	128
86a2cf31	129	static void perf_evsel__free_stat_priv(struct perf_evsel *evsel)
9689edfa JO	130	{
	131	zfree(&evsel->priv);
	132	}
a939512d	133
86a2cf31 JO	134	static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel,
86a2cf31 JO	135	int ncpus, int nthreads)
a939512d JO	136	{
	137	struct perf_counts *counts;
	138
	139	counts = perf_counts__new(ncpus, nthreads);
	140	if (counts)
	141	evsel->prev_raw_counts = counts;
	142
	143	return counts ? 0 : -ENOMEM;
	144	}
	145
86a2cf31	146	static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel)
a939512d JO	147	{
	148	perf_counts__delete(evsel->prev_raw_counts);
	149	evsel->prev_raw_counts = NULL;
	150	}
24e34f68	151
86a2cf31	152	static int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw)
a7d0a102 JO	153	{
	154	int ncpus = perf_evsel__nr_cpus(evsel);
	155	int nthreads = thread_map__nr(evsel->threads);
	156
	157	if (perf_evsel__alloc_stat_priv(evsel) < 0 \|\|
	158	perf_evsel__alloc_counts(evsel, ncpus, nthreads) < 0 \|\|
	159	(alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel, ncpus, nthreads) < 0))
	160	return -ENOMEM;
	161
	162	return 0;
	163	}
	164
24e34f68 JO	165	int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw)
	166	{
	167	struct perf_evsel *evsel;
24e34f68	168
e5cadb93	169	evlist__for_each_entry(evlist, evsel) {
a7d0a102	170	if (perf_evsel__alloc_stats(evsel, alloc_raw))
24e34f68 JO	171	goto out_free;
	172	}
	173
	174	return 0;
	175
	176	out_free:
	177	perf_evlist__free_stats(evlist);
	178	return -1;
	179	}
	180
	181	void perf_evlist__free_stats(struct perf_evlist *evlist)
	182	{
	183	struct perf_evsel *evsel;
	184
e5cadb93	185	evlist__for_each_entry(evlist, evsel) {
24e34f68 JO	186	perf_evsel__free_stat_priv(evsel);
	187	perf_evsel__free_counts(evsel);
	188	perf_evsel__free_prev_raw_counts(evsel);
	189	}
	190	}
	191
	192	void perf_evlist__reset_stats(struct perf_evlist *evlist)
	193	{
	194	struct perf_evsel *evsel;
	195
e5cadb93	196	evlist__for_each_entry(evlist, evsel) {
24e34f68 JO	197	perf_evsel__reset_stat_priv(evsel);
	198	perf_evsel__reset_counts(evsel);
	199	}
	200	}
f80010eb JO	201
	202	static void zero_per_pkg(struct perf_evsel *counter)
	203	{
	204	if (counter->per_pkg_mask)
	205	memset(counter->per_pkg_mask, 0, MAX_NR_CPUS);
	206	}
	207
02d8dabc SE	208	static int check_per_pkg(struct perf_evsel *counter,
02d8dabc SE	209	struct perf_counts_values vals, int cpu, bool skip)
f80010eb JO	210	{
	211	unsigned long *mask = counter->per_pkg_mask;
	212	struct cpu_map *cpus = perf_evsel__cpus(counter);
	213	int s;
	214
	215	*skip = false;
	216
	217	if (!counter->per_pkg)
	218	return 0;
	219
	220	if (cpu_map__empty(cpus))
	221	return 0;
	222
	223	if (!mask) {
	224	mask = zalloc(MAX_NR_CPUS);
	225	if (!mask)
	226	return -ENOMEM;
	227
	228	counter->per_pkg_mask = mask;
	229	}
	230
02d8dabc SE	231	/*
	232	* we do not consider an event that has not run as a good
	233	* instance to mark a package as used (skip=1). Otherwise
	234	* we may run into a situation where the first CPU in a package
	235	* is not running anything, yet the second is, and this function
	236	* would mark the package as used after the first CPU and would
	237	* not read the values from the second CPU.
	238	*/
	239	if (!(vals->run && vals->ena))
	240	return 0;
	241
1fe7a300	242	s = cpu_map__get_socket(cpus, cpu, NULL);
f80010eb JO	243	if (s < 0)
	244	return -1;
	245
	246	*skip = test_and_set_bit(s, mask) == 1;
	247	return 0;
	248	}
	249
	250	static int
	251	process_counter_values(struct perf_stat_config config, struct perf_evsel evsel,
	252	int cpu, int thread,
	253	struct perf_counts_values *count)
	254	{
	255	struct perf_counts_values *aggr = &evsel->counts->aggr;
	256	static struct perf_counts_values zero;
	257	bool skip = false;
	258
02d8dabc	259	if (check_per_pkg(evsel, count, cpu, &skip)) {
f80010eb JO	260	pr_err("failed to read per-pkg counter\n");
	261	return -1;
	262	}
	263
	264	if (skip)
	265	count = &zero;
	266
	267	switch (config->aggr_mode) {
	268	case AGGR_THREAD:
	269	case AGGR_CORE:
	270	case AGGR_SOCKET:
	271	case AGGR_NONE:
	272	if (!evsel->snapshot)
	273	perf_evsel__compute_deltas(evsel, cpu, thread, count);
	274	perf_counts_values__scale(count, config->scale, NULL);
	275	if (config->aggr_mode == AGGR_NONE)
	276	perf_stat__update_shadow_stats(evsel, count->values, cpu);
	277	break;
	278	case AGGR_GLOBAL:
	279	aggr->val += count->val;
	280	if (config->scale) {
	281	aggr->ena += count->ena;
	282	aggr->run += count->run;
	283	}
208df99e	284	case AGGR_UNSET:
f80010eb JO	285	default:
	286	break;
	287	}
	288
	289	return 0;
	290	}
	291
	292	static int process_counter_maps(struct perf_stat_config *config,
	293	struct perf_evsel *counter)
	294	{
	295	int nthreads = thread_map__nr(counter->threads);
	296	int ncpus = perf_evsel__nr_cpus(counter);
	297	int cpu, thread;
	298
	299	if (counter->system_wide)
	300	nthreads = 1;
	301
	302	for (thread = 0; thread < nthreads; thread++) {
	303	for (cpu = 0; cpu < ncpus; cpu++) {
	304	if (process_counter_values(config, counter, cpu, thread,
	305	perf_counts(counter->counts, cpu, thread)))
	306	return -1;
	307	}
	308	}
	309
	310	return 0;
	311	}
	312
	313	int perf_stat_process_counter(struct perf_stat_config *config,
	314	struct perf_evsel *counter)
	315	{
	316	struct perf_counts_values *aggr = &counter->counts->aggr;
581cc8a2	317	struct perf_stat_evsel *ps = counter->priv;
f80010eb	318	u64 *count = counter->counts->aggr.values;
f340c5fc	319	u64 val;
f80010eb JO	320	int i, ret;
	321
	322	aggr->val = aggr->ena = aggr->run = 0;
f80010eb	323
51fd2df1 JO	324	/*
	325	* We calculate counter's data every interval,
	326	* and the display code shows ps->res_stats
	327	* avg value. We need to zero the stats for
	328	* interval mode, otherwise overall avg running
	329	* averages will be shown for each interval.
	330	*/
	331	if (config->interval)
	332	init_stats(ps->res_stats);
	333
f80010eb JO	334	if (counter->per_pkg)
	335	zero_per_pkg(counter);
	336
	337	ret = process_counter_maps(config, counter);
	338	if (ret)
	339	return ret;
	340
	341	if (config->aggr_mode != AGGR_GLOBAL)
	342	return 0;
	343
	344	if (!counter->snapshot)
	345	perf_evsel__compute_deltas(counter, -1, -1, aggr);
	346	perf_counts_values__scale(aggr, config->scale, &counter->counts->scaled);
	347
	348	for (i = 0; i < 3; i++)
	349	update_stats(&ps->res_stats[i], count[i]);
	350
bb963e16	351	if (verbose > 0) {
f80010eb JO	352	fprintf(config->output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
	353	perf_evsel__name(counter), count[0], count[1], count[2]);
	354	}
	355
	356	/*
	357	* Save the full runtime - to allow normalization during printout:
	358	*/
f340c5fc AK	359	val = counter->scale * *count;
f340c5fc AK	360	perf_stat__update_shadow_stats(counter, &val, 0);
f80010eb JO	361
	362	return 0;
	363	}
0ea0e355 JO	364
	365	int perf_event__process_stat_event(struct perf_tool *tool __maybe_unused,
	366	union perf_event *event,
	367	struct perf_session *session)
	368	{
	369	struct perf_counts_values count;
	370	struct stat_event *st = &event->stat;
	371	struct perf_evsel *counter;
	372
	373	count.val = st->val;
	374	count.ena = st->ena;
	375	count.run = st->run;
	376
	377	counter = perf_evlist__id2evsel(session->evlist, st->id);
	378	if (!counter) {
	379	pr_err("Failed to resolve counter for stat event.\n");
	380	return -EINVAL;
	381	}
	382
	383	*perf_counts(counter->counts, st->cpu, st->thread) = count;
	384	counter->supported = true;
	385	return 0;
	386	}
e08a4564 JO	387
	388	size_t perf_event__fprintf_stat(union perf_event event, FILE fp)
	389	{
	390	struct stat_event st = (struct stat_event ) event;
	391	size_t ret;
	392
	393	ret = fprintf(fp, "\n... id %" PRIu64 ", cpu %d, thread %d\n",
	394	st->id, st->cpu, st->thread);
	395	ret += fprintf(fp, "... value %" PRIu64 ", enabled %" PRIu64 ", running %" PRIu64 "\n",
	396	st->val, st->ena, st->run);
	397
	398	return ret;
	399	}
	400
	401	size_t perf_event__fprintf_stat_round(union perf_event event, FILE fp)
	402	{
	403	struct stat_round_event rd = (struct stat_round_event )event;
	404	size_t ret;
	405
	406	ret = fprintf(fp, "\n... time %" PRIu64 ", type %s\n", rd->time,
	407	rd->type == PERF_STAT_ROUND_TYPE__FINAL ? "FINAL" : "INTERVAL");
	408
	409	return ret;
	410	}
	411
	412	size_t perf_event__fprintf_stat_config(union perf_event event, FILE fp)
	413	{
	414	struct perf_stat_config sc;
	415	size_t ret;
	416
	417	perf_event__read_stat_config(&sc, &event->stat_config);
	418
	419	ret = fprintf(fp, "\n");
	420	ret += fprintf(fp, "... aggr_mode %d\n", sc.aggr_mode);
	421	ret += fprintf(fp, "... scale %d\n", sc.scale);
	422	ret += fprintf(fp, "... interval %u\n", sc.interval);
	423
	424	return ret;
	425	}