Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1597 insertions, 0 deletions

diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
new file mode 100644
index 0000000000..afe6db8e7b
--- /dev/null
+++ b/tools/perf/util/stat-display.c
@@ -0,0 +1,1597 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <inttypes.h>
+#include <linux/string.h>
+#include <linux/time64.h>
+#include <math.h>
+#include <perf/cpumap.h>
+#include "color.h"
+#include "counts.h"
+#include "evlist.h"
+#include "evsel.h"
+#include "stat.h"
+#include "top.h"
+#include "thread_map.h"
+#include "cpumap.h"
+#include "string2.h"
+#include <linux/ctype.h>
+#include "cgroup.h"
+#include <api/fs/fs.h>
+#include "util.h"
+#include "iostat.h"
+#include "pmu.h"
+#include "pmus.h"
+
+#define CNTR_NOT_SUPPORTED	"<not supported>"
+#define CNTR_NOT_COUNTED	"<not counted>"
+
+#define MGROUP_LEN   50
+#define METRIC_LEN   38
+#define EVNAME_LEN   32
+#define COUNTS_LEN   18
+#define INTERVAL_LEN 16
+#define CGROUP_LEN   16
+#define COMM_LEN     16
+#define PID_LEN       7
+#define CPUS_LEN      4
+
+static int aggr_header_lens[] = {
+	[AGGR_CORE] 	= 18,
+	[AGGR_CACHE]	= 22,
+	[AGGR_DIE] 	= 12,
+	[AGGR_SOCKET] 	= 6,
+	[AGGR_NODE] 	= 6,
+	[AGGR_NONE] 	= 6,
+	[AGGR_THREAD] 	= 16,
+	[AGGR_GLOBAL] 	= 0,
+};
+
+static const char *aggr_header_csv[] = {
+	[AGGR_CORE] 	= 	"core,cpus,",
+	[AGGR_CACHE]	= 	"cache,cpus,",
+	[AGGR_DIE] 	= 	"die,cpus,",
+	[AGGR_SOCKET] 	= 	"socket,cpus,",
+	[AGGR_NONE] 	= 	"cpu,",
+	[AGGR_THREAD] 	= 	"comm-pid,",
+	[AGGR_NODE] 	= 	"node,",
+	[AGGR_GLOBAL] 	=	""
+};
+
+static const char *aggr_header_std[] = {
+	[AGGR_CORE] 	= 	"core",
+	[AGGR_CACHE] 	= 	"cache",
+	[AGGR_DIE] 	= 	"die",
+	[AGGR_SOCKET] 	= 	"socket",
+	[AGGR_NONE] 	= 	"cpu",
+	[AGGR_THREAD] 	= 	"comm-pid",
+	[AGGR_NODE] 	= 	"node",
+	[AGGR_GLOBAL] 	=	""
+};
+
+static void print_running_std(struct perf_stat_config *config, u64 run, u64 ena)
+{
+	if (run != ena)
+		fprintf(config->output, "  (%.2f%%)", 100.0 * run / ena);
+}
+
+static void print_running_csv(struct perf_stat_config *config, u64 run, u64 ena)
+{
+	double enabled_percent = 100;
+
+	if (run != ena)
+		enabled_percent = 100 * run / ena;
+	fprintf(config->output, "%s%" PRIu64 "%s%.2f",
+		config->csv_sep, run, config->csv_sep, enabled_percent);
+}
+
+static void print_running_json(struct perf_stat_config *config, u64 run, u64 ena)
+{
+	double enabled_percent = 100;
+
+	if (run != ena)
+		enabled_percent = 100 * run / ena;
+	fprintf(config->output, "\"event-runtime\" : %" PRIu64 ", \"pcnt-running\" : %.2f, ",
+		run, enabled_percent);
+}
+
+static void print_running(struct perf_stat_config *config,
+			  u64 run, u64 ena, bool before_metric)
+{
+	if (config->json_output) {
+		if (before_metric)
+			print_running_json(config, run, ena);
+	} else if (config->csv_output) {
+		if (before_metric)
+			print_running_csv(config, run, ena);
+	} else {
+		if (!before_metric)
+			print_running_std(config, run, ena);
+	}
+}
+
+static void print_noise_pct_std(struct perf_stat_config *config,
+				double pct)
+{
+	if (pct)
+		fprintf(config->output, "  ( +-%6.2f%% )", pct);
+}
+
+static void print_noise_pct_csv(struct perf_stat_config *config,
+				double pct)
+{
+	fprintf(config->output, "%s%.2f%%", config->csv_sep, pct);
+}
+
+static void print_noise_pct_json(struct perf_stat_config *config,
+				 double pct)
+{
+	fprintf(config->output, "\"variance\" : %.2f, ", pct);
+}
+
+static void print_noise_pct(struct perf_stat_config *config,
+			    double total, double avg, bool before_metric)
+{
+	double pct = rel_stddev_stats(total, avg);
+
+	if (config->json_output) {
+		if (before_metric)
+			print_noise_pct_json(config, pct);
+	} else if (config->csv_output) {
+		if (before_metric)
+			print_noise_pct_csv(config, pct);
+	} else {
+		if (!before_metric)
+			print_noise_pct_std(config, pct);
+	}
+}
+
+static void print_noise(struct perf_stat_config *config,
+			struct evsel *evsel, double avg, bool before_metric)
+{
+	struct perf_stat_evsel *ps;
+
+	if (config->run_count == 1)
+		return;
+
+	ps = evsel->stats;
+	print_noise_pct(config, stddev_stats(&ps->res_stats), avg, before_metric);
+}
+
+static void print_cgroup_std(struct perf_stat_config *config, const char *cgrp_name)
+{
+	fprintf(config->output, " %-*s", CGROUP_LEN, cgrp_name);
+}
+
+static void print_cgroup_csv(struct perf_stat_config *config, const char *cgrp_name)
+{
+	fprintf(config->output, "%s%s", config->csv_sep, cgrp_name);
+}
+
+static void print_cgroup_json(struct perf_stat_config *config, const char *cgrp_name)
+{
+	fprintf(config->output, "\"cgroup\" : \"%s\", ", cgrp_name);
+}
+
+static void print_cgroup(struct perf_stat_config *config, struct cgroup *cgrp)
+{
+	if (nr_cgroups || config->cgroup_list) {
+		const char *cgrp_name = cgrp ? cgrp->name  : "";
+
+		if (config->json_output)
+			print_cgroup_json(config, cgrp_name);
+		else if (config->csv_output)
+			print_cgroup_csv(config, cgrp_name);
+		else
+			print_cgroup_std(config, cgrp_name);
+	}
+}
+
+static void print_aggr_id_std(struct perf_stat_config *config,
+			      struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr)
+{
+	FILE *output = config->output;
+	int idx = config->aggr_mode;
+	char buf[128];
+
+	switch (config->aggr_mode) {
+	case AGGR_CORE:
+		snprintf(buf, sizeof(buf), "S%d-D%d-C%d", id.socket, id.die, id.core);
+		break;
+	case AGGR_CACHE:
+		snprintf(buf, sizeof(buf), "S%d-D%d-L%d-ID%d",
+			 id.socket, id.die, id.cache_lvl, id.cache);
+		break;
+	case AGGR_DIE:
+		snprintf(buf, sizeof(buf), "S%d-D%d", id.socket, id.die);
+		break;
+	case AGGR_SOCKET:
+		snprintf(buf, sizeof(buf), "S%d", id.socket);
+		break;
+	case AGGR_NODE:
+		snprintf(buf, sizeof(buf), "N%d", id.node);
+		break;
+	case AGGR_NONE:
+		if (evsel->percore && !config->percore_show_thread) {
+			snprintf(buf, sizeof(buf), "S%d-D%d-C%d ",
+				id.socket, id.die, id.core);
+			fprintf(output, "%-*s ",
+				aggr_header_lens[AGGR_CORE], buf);
+		} else if (id.cpu.cpu > -1) {
+			fprintf(output, "CPU%-*d ",
+				aggr_header_lens[AGGR_NONE] - 3, id.cpu.cpu);
+		}
+		return;
+	case AGGR_THREAD:
+		fprintf(output, "%*s-%-*d ",
+			COMM_LEN, perf_thread_map__comm(evsel->core.threads, id.thread_idx),
+			PID_LEN, perf_thread_map__pid(evsel->core.threads, id.thread_idx));
+		return;
+	case AGGR_GLOBAL:
+	case AGGR_UNSET:
+	case AGGR_MAX:
+	default:
+		return;
+	}
+
+	fprintf(output, "%-*s %*d ", aggr_header_lens[idx], buf, 4, aggr_nr);
+}
+
+static void print_aggr_id_csv(struct perf_stat_config *config,
+			      struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr)
+{
+	FILE *output = config->output;
+	const char *sep = config->csv_sep;
+
+	switch (config->aggr_mode) {
+	case AGGR_CORE:
+		fprintf(output, "S%d-D%d-C%d%s%d%s",
+			id.socket, id.die, id.core, sep, aggr_nr, sep);
+		break;
+	case AGGR_CACHE:
+		fprintf(config->output, "S%d-D%d-L%d-ID%d%s%d%s",
+			id.socket, id.die, id.cache_lvl, id.cache, sep, aggr_nr, sep);
+		break;
+	case AGGR_DIE:
+		fprintf(output, "S%d-D%d%s%d%s",
+			id.socket, id.die, sep, aggr_nr, sep);
+		break;
+	case AGGR_SOCKET:
+		fprintf(output, "S%d%s%d%s",
+			id.socket, sep, aggr_nr, sep);
+		break;
+	case AGGR_NODE:
+		fprintf(output, "N%d%s%d%s",
+			id.node, sep, aggr_nr, sep);
+		break;
+	case AGGR_NONE:
+		if (evsel->percore && !config->percore_show_thread) {
+			fprintf(output, "S%d-D%d-C%d%s",
+				id.socket, id.die, id.core, sep);
+		} else if (id.cpu.cpu > -1) {
+			fprintf(output, "CPU%d%s",
+				id.cpu.cpu, sep);
+		}
+		break;
+	case AGGR_THREAD:
+		fprintf(output, "%s-%d%s",
+			perf_thread_map__comm(evsel->core.threads, id.thread_idx),
+			perf_thread_map__pid(evsel->core.threads, id.thread_idx),
+			sep);
+		break;
+	case AGGR_GLOBAL:
+	case AGGR_UNSET:
+	case AGGR_MAX:
+	default:
+		break;
+	}
+}
+
+static void print_aggr_id_json(struct perf_stat_config *config,
+			       struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr)
+{
+	FILE *output = config->output;
+
+	switch (config->aggr_mode) {
+	case AGGR_CORE:
+		fprintf(output, "\"core\" : \"S%d-D%d-C%d\", \"aggregate-number\" : %d, ",
+			id.socket, id.die, id.core, aggr_nr);
+		break;
+	case AGGR_CACHE:
+		fprintf(output, "\"cache\" : \"S%d-D%d-L%d-ID%d\", \"aggregate-number\" : %d, ",
+			id.socket, id.die, id.cache_lvl, id.cache, aggr_nr);
+		break;
+	case AGGR_DIE:
+		fprintf(output, "\"die\" : \"S%d-D%d\", \"aggregate-number\" : %d, ",
+			id.socket, id.die, aggr_nr);
+		break;
+	case AGGR_SOCKET:
+		fprintf(output, "\"socket\" : \"S%d\", \"aggregate-number\" : %d, ",
+			id.socket, aggr_nr);
+		break;
+	case AGGR_NODE:
+		fprintf(output, "\"node\" : \"N%d\", \"aggregate-number\" : %d, ",
+			id.node, aggr_nr);
+		break;
+	case AGGR_NONE:
+		if (evsel->percore && !config->percore_show_thread) {
+			fprintf(output, "\"core\" : \"S%d-D%d-C%d\"",
+				id.socket, id.die, id.core);
+		} else if (id.cpu.cpu > -1) {
+			fprintf(output, "\"cpu\" : \"%d\", ",
+				id.cpu.cpu);
+		}
+		break;
+	case AGGR_THREAD:
+		fprintf(output, "\"thread\" : \"%s-%d\", ",
+			perf_thread_map__comm(evsel->core.threads, id.thread_idx),
+			perf_thread_map__pid(evsel->core.threads, id.thread_idx));
+		break;
+	case AGGR_GLOBAL:
+	case AGGR_UNSET:
+	case AGGR_MAX:
+	default:
+		break;
+	}
+}
+
+static void aggr_printout(struct perf_stat_config *config,
+			  struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr)
+{
+	if (config->json_output)
+		print_aggr_id_json(config, evsel, id, aggr_nr);
+	else if (config->csv_output)
+		print_aggr_id_csv(config, evsel, id, aggr_nr);
+	else
+		print_aggr_id_std(config, evsel, id, aggr_nr);
+}
+
+struct outstate {
+	FILE *fh;
+	bool newline;
+	bool first;
+	const char *prefix;
+	int  nfields;
+	int  aggr_nr;
+	struct aggr_cpu_id id;
+	struct evsel *evsel;
+	struct cgroup *cgrp;
+};
+
+static void new_line_std(struct perf_stat_config *config __maybe_unused,
+			 void *ctx)
+{
+	struct outstate *os = ctx;
+
+	os->newline = true;
+}
+
+static inline void __new_line_std_csv(struct perf_stat_config *config,
+				      struct outstate *os)
+{
+	fputc('\n', os->fh);
+	if (os->prefix)
+		fputs(os->prefix, os->fh);
+	aggr_printout(config, os->evsel, os->id, os->aggr_nr);
+}
+
+static inline void __new_line_std(struct outstate *os)
+{
+	fprintf(os->fh, "                                                 ");
+}
+
+static void do_new_line_std(struct perf_stat_config *config,
+			    struct outstate *os)
+{
+	__new_line_std_csv(config, os);
+	if (config->aggr_mode == AGGR_NONE)
+		fprintf(os->fh, "        ");
+	__new_line_std(os);
+}
+
+static void print_metric_std(struct perf_stat_config *config,
+			     void *ctx, const char *color, const char *fmt,
+			     const char *unit, double val)
+{
+	struct outstate *os = ctx;
+	FILE *out = os->fh;
+	int n;
+	bool newline = os->newline;
+
+	os->newline = false;
+
+	if (unit == NULL || fmt == NULL) {
+		fprintf(out, "%-*s", METRIC_LEN, "");
+		return;
+	}
+
+	if (newline)
+		do_new_line_std(config, os);
+
+	n = fprintf(out, " # ");
+	if (color)
+		n += color_fprintf(out, color, fmt, val);
+	else
+		n += fprintf(out, fmt, val);
+	fprintf(out, " %-*s", METRIC_LEN - n - 1, unit);
+}
+
+static void new_line_csv(struct perf_stat_config *config, void *ctx)
+{
+	struct outstate *os = ctx;
+	int i;
+
+	__new_line_std_csv(config, os);
+	for (i = 0; i < os->nfields; i++)
+		fputs(config->csv_sep, os->fh);
+}
+
+static void print_metric_csv(struct perf_stat_config *config __maybe_unused,
+			     void *ctx,
+			     const char *color __maybe_unused,
+			     const char *fmt, const char *unit, double val)
+{
+	struct outstate *os = ctx;
+	FILE *out = os->fh;
+	char buf[64], *vals, *ends;
+
+	if (unit == NULL || fmt == NULL) {
+		fprintf(out, "%s%s", config->csv_sep, config->csv_sep);
+		return;
+	}
+	snprintf(buf, sizeof(buf), fmt, val);
+	ends = vals = skip_spaces(buf);
+	while (isdigit(*ends) || *ends == '.')
+		ends++;
+	*ends = 0;
+	fprintf(out, "%s%s%s%s", config->csv_sep, vals, config->csv_sep, skip_spaces(unit));
+}
+
+static void print_metric_json(struct perf_stat_config *config __maybe_unused,
+			     void *ctx,
+			     const char *color __maybe_unused,
+			     const char *fmt __maybe_unused,
+			     const char *unit, double val)
+{
+	struct outstate *os = ctx;
+	FILE *out = os->fh;
+
+	fprintf(out, "\"metric-value\" : \"%f\", ", val);
+	fprintf(out, "\"metric-unit\" : \"%s\"", unit);
+	if (!config->metric_only)
+		fprintf(out, "}");
+}
+
+static void new_line_json(struct perf_stat_config *config, void *ctx)
+{
+	struct outstate *os = ctx;
+
+	fputs("\n{", os->fh);
+	if (os->prefix)
+		fprintf(os->fh, "%s", os->prefix);
+	aggr_printout(config, os->evsel, os->id, os->aggr_nr);
+}
+
+static void print_metricgroup_header_json(struct perf_stat_config *config,
+					  void *ctx,
+					  const char *metricgroup_name)
+{
+	if (!metricgroup_name)
+		return;
+
+	fprintf(config->output, "\"metricgroup\" : \"%s\"}", metricgroup_name);
+	new_line_json(config, ctx);
+}
+
+static void print_metricgroup_header_csv(struct perf_stat_config *config,
+					 void *ctx,
+					 const char *metricgroup_name)
+{
+	struct outstate *os = ctx;
+	int i;
+
+	if (!metricgroup_name) {
+		/* Leave space for running and enabling */
+		for (i = 0; i < os->nfields - 2; i++)
+			fputs(config->csv_sep, os->fh);
+		return;
+	}
+
+	for (i = 0; i < os->nfields; i++)
+		fputs(config->csv_sep, os->fh);
+	fprintf(config->output, "%s", metricgroup_name);
+	new_line_csv(config, ctx);
+}
+
+static void print_metricgroup_header_std(struct perf_stat_config *config,
+					 void *ctx,
+					 const char *metricgroup_name)
+{
+	struct outstate *os = ctx;
+	int n;
+
+	if (!metricgroup_name) {
+		__new_line_std(os);
+		return;
+	}
+
+	n = fprintf(config->output, " %*s", EVNAME_LEN, metricgroup_name);
+
+	fprintf(config->output, "%*s", MGROUP_LEN - n - 1, "");
+}
+
+/* Filter out some columns that don't work well in metrics only mode */
+
+static bool valid_only_metric(const char *unit)
+{
+	if (!unit)
+		return false;
+	if (strstr(unit, "/sec") ||
+	    strstr(unit, "CPUs utilized"))
+		return false;
+	return true;
+}
+
+static const char *fixunit(char *buf, struct evsel *evsel,
+			   const char *unit)
+{
+	if (!strncmp(unit, "of all", 6)) {
+		snprintf(buf, 1024, "%s %s", evsel__name(evsel),
+			 unit);
+		return buf;
+	}
+	return unit;
+}
+
+static void print_metric_only(struct perf_stat_config *config,
+			      void *ctx, const char *color, const char *fmt,
+			      const char *unit, double val)
+{
+	struct outstate *os = ctx;
+	FILE *out = os->fh;
+	char buf[1024], str[1024];
+	unsigned mlen = config->metric_only_len;
+
+	if (!valid_only_metric(unit))
+		return;
+	unit = fixunit(buf, os->evsel, unit);
+	if (mlen < strlen(unit))
+		mlen = strlen(unit) + 1;
+
+	if (color)
+		mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1;
+
+	color_snprintf(str, sizeof(str), color ?: "", fmt, val);
+	fprintf(out, "%*s ", mlen, str);
+	os->first = false;
+}
+
+static void print_metric_only_csv(struct perf_stat_config *config __maybe_unused,
+				  void *ctx, const char *color __maybe_unused,
+				  const char *fmt,
+				  const char *unit, double val)
+{
+	struct outstate *os = ctx;
+	FILE *out = os->fh;
+	char buf[64], *vals, *ends;
+	char tbuf[1024];
+
+	if (!valid_only_metric(unit))
+		return;
+	unit = fixunit(tbuf, os->evsel, unit);
+	snprintf(buf, sizeof(buf), fmt ?: "", val);
+	ends = vals = skip_spaces(buf);
+	while (isdigit(*ends) || *ends == '.')
+		ends++;
+	*ends = 0;
+	fprintf(out, "%s%s", vals, config->csv_sep);
+	os->first = false;
+}
+
+static void print_metric_only_json(struct perf_stat_config *config __maybe_unused,
+				  void *ctx, const char *color __maybe_unused,
+				  const char *fmt,
+				  const char *unit, double val)
+{
+	struct outstate *os = ctx;
+	FILE *out = os->fh;
+	char buf[64], *vals, *ends;
+	char tbuf[1024];
+
+	if (!valid_only_metric(unit))
+		return;
+	unit = fixunit(tbuf, os->evsel, unit);
+	snprintf(buf, sizeof(buf), fmt ?: "", val);
+	ends = vals = skip_spaces(buf);
+	while (isdigit(*ends) || *ends == '.')
+		ends++;
+	*ends = 0;
+	if (!unit[0] || !vals[0])
+		return;
+	fprintf(out, "%s\"%s\" : \"%s\"", os->first ? "" : ", ", unit, vals);
+	os->first = false;
+}
+
+static void new_line_metric(struct perf_stat_config *config __maybe_unused,
+			    void *ctx __maybe_unused)
+{
+}
+
+static void print_metric_header(struct perf_stat_config *config,
+				void *ctx, const char *color __maybe_unused,
+				const char *fmt __maybe_unused,
+				const char *unit, double val __maybe_unused)
+{
+	struct outstate *os = ctx;
+	char tbuf[1024];
+
+	/* In case of iostat, print metric header for first root port only */
+	if (config->iostat_run &&
+	    os->evsel->priv != os->evsel->evlist->selected->priv)
+		return;
+
+	if (os->evsel->cgrp != os->cgrp)
+		return;
+
+	if (!valid_only_metric(unit))
+		return;
+	unit = fixunit(tbuf, os->evsel, unit);
+
+	if (config->json_output)
+		return;
+	else if (config->csv_output)
+		fprintf(os->fh, "%s%s", unit, config->csv_sep);
+	else
+		fprintf(os->fh, "%*s ", config->metric_only_len, unit);
+}
+
+static void print_counter_value_std(struct perf_stat_config *config,
+				    struct evsel *evsel, double avg, bool ok)
+{
+	FILE *output = config->output;
+	double sc =  evsel->scale;
+	const char *fmt;
+	const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED;
+
+	if (config->big_num)
+		fmt = floor(sc) != sc ? "%'*.2f " : "%'*.0f ";
+	else
+		fmt = floor(sc) != sc ? "%*.2f " : "%*.0f ";
+
+	if (ok)
+		fprintf(output, fmt, COUNTS_LEN, avg);
+	else
+		fprintf(output, "%*s ", COUNTS_LEN, bad_count);
+
+	if (evsel->unit)
+		fprintf(output, "%-*s ", config->unit_width, evsel->unit);
+
+	fprintf(output, "%-*s", EVNAME_LEN, evsel__name(evsel));
+}
+
+static void print_counter_value_csv(struct perf_stat_config *config,
+				    struct evsel *evsel, double avg, bool ok)
+{
+	FILE *output = config->output;
+	double sc =  evsel->scale;
+	const char *sep = config->csv_sep;
+	const char *fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s";
+	const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED;
+
+	if (ok)
+		fprintf(output, fmt, avg, sep);
+	else
+		fprintf(output, "%s%s", bad_count, sep);
+
+	if (evsel->unit)
+		fprintf(output, "%s%s", evsel->unit, sep);
+
+	fprintf(output, "%s", evsel__name(evsel));
+}
+
+static void print_counter_value_json(struct perf_stat_config *config,
+				     struct evsel *evsel, double avg, bool ok)
+{
+	FILE *output = config->output;
+	const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED;
+
+	if (ok)
+		fprintf(output, "\"counter-value\" : \"%f\", ", avg);
+	else
+		fprintf(output, "\"counter-value\" : \"%s\", ", bad_count);
+
+	if (evsel->unit)
+		fprintf(output, "\"unit\" : \"%s\", ", evsel->unit);
+
+	fprintf(output, "\"event\" : \"%s\", ", evsel__name(evsel));
+}
+
+static void print_counter_value(struct perf_stat_config *config,
+				struct evsel *evsel, double avg, bool ok)
+{
+	if (config->json_output)
+		print_counter_value_json(config, evsel, avg, ok);
+	else if (config->csv_output)
+		print_counter_value_csv(config, evsel, avg, ok);
+	else
+		print_counter_value_std(config, evsel, avg, ok);
+}
+
+static void abs_printout(struct perf_stat_config *config,
+			 struct aggr_cpu_id id, int aggr_nr,
+			 struct evsel *evsel, double avg, bool ok)
+{
+	aggr_printout(config, evsel, id, aggr_nr);
+	print_counter_value(config, evsel, avg, ok);
+	print_cgroup(config, evsel->cgrp);
+}
+
+static bool is_mixed_hw_group(struct evsel *counter)
+{
+	struct evlist *evlist = counter->evlist;
+	u32 pmu_type = counter->core.attr.type;
+	struct evsel *pos;
+
+	if (counter->core.nr_members < 2)
+		return false;
+
+	evlist__for_each_entry(evlist, pos) {
+		/* software events can be part of any hardware group */
+		if (pos->core.attr.type == PERF_TYPE_SOFTWARE)
+			continue;
+		if (pmu_type == PERF_TYPE_SOFTWARE) {
+			pmu_type = pos->core.attr.type;
+			continue;
+		}
+		if (pmu_type != pos->core.attr.type)
+			return true;
+	}
+
+	return false;
+}
+
+static bool evlist__has_hybrid(struct evlist *evlist)
+{
+	struct evsel *evsel;
+
+	if (perf_pmus__num_core_pmus() == 1)
+		return false;
+
+	evlist__for_each_entry(evlist, evsel) {
+		if (evsel->core.is_pmu_core)
+			return true;
+	}
+
+	return false;
+}
+
+static void printout(struct perf_stat_config *config, struct outstate *os,
+		     double uval, u64 run, u64 ena, double noise, int aggr_idx)
+{
+	struct perf_stat_output_ctx out;
+	print_metric_t pm;
+	new_line_t nl;
+	print_metricgroup_header_t pmh;
+	bool ok = true;
+	struct evsel *counter = os->evsel;
+
+	if (config->csv_output) {
+		pm = config->metric_only ? print_metric_only_csv : print_metric_csv;
+		nl = config->metric_only ? new_line_metric : new_line_csv;
+		pmh = print_metricgroup_header_csv;
+		os->nfields = 4 + (counter->cgrp ? 1 : 0);
+	} else if (config->json_output) {
+		pm = config->metric_only ? print_metric_only_json : print_metric_json;
+		nl = config->metric_only ? new_line_metric : new_line_json;
+		pmh = print_metricgroup_header_json;
+	} else {
+		pm = config->metric_only ? print_metric_only : print_metric_std;
+		nl = config->metric_only ? new_line_metric : new_line_std;
+		pmh = print_metricgroup_header_std;
+	}
+
+	if (run == 0 || ena == 0 || counter->counts->scaled == -1) {
+		if (config->metric_only) {
+			pm(config, os, NULL, "", "", 0);
+			return;
+		}
+
+		ok = false;
+
+		if (counter->supported) {
+			if (!evlist__has_hybrid(counter->evlist)) {
+				config->print_free_counters_hint = 1;
+				if (is_mixed_hw_group(counter))
+					config->print_mixed_hw_group_error = 1;
+			}
+		}
+	}
+
+	out.print_metric = pm;
+	out.new_line = nl;
+	out.print_metricgroup_header = pmh;
+	out.ctx = os;
+	out.force_header = false;
+
+	if (!config->metric_only && !counter->default_metricgroup) {
+		abs_printout(config, os->id, os->aggr_nr, counter, uval, ok);
+
+		print_noise(config, counter, noise, /*before_metric=*/true);
+		print_running(config, run, ena, /*before_metric=*/true);
+	}
+
+	if (ok) {
+		if (!config->metric_only && counter->default_metricgroup) {
+			void *from = NULL;
+
+			aggr_printout(config, os->evsel, os->id, os->aggr_nr);
+			/* Print out all the metricgroup with the same metric event. */
+			do {
+				int num = 0;
+
+				/* Print out the new line for the next new metricgroup. */
+				if (from) {
+					if (config->json_output)
+						new_line_json(config, (void *)os);
+					else
+						__new_line_std_csv(config, os);
+				}
+
+				print_noise(config, counter, noise, /*before_metric=*/true);
+				print_running(config, run, ena, /*before_metric=*/true);
+				from = perf_stat__print_shadow_stats_metricgroup(config, counter, aggr_idx,
+										 &num, from, &out,
+										 &config->metric_events);
+			} while (from != NULL);
+		} else
+			perf_stat__print_shadow_stats(config, counter, uval, aggr_idx,
+						      &out, &config->metric_events);
+	} else {
+		pm(config, os, /*color=*/NULL, /*format=*/NULL, /*unit=*/"", /*val=*/0);
+	}
+
+	if (!config->metric_only) {
+		print_noise(config, counter, noise, /*before_metric=*/false);
+		print_running(config, run, ena, /*before_metric=*/false);
+	}
+}
+
+static void uniquify_event_name(struct evsel *counter)
+{
+	char *new_name;
+	char *config;
+	int ret = 0;
+
+	if (counter->uniquified_name || counter->use_config_name ||
+	    !counter->pmu_name || !strncmp(evsel__name(counter), counter->pmu_name,
+					   strlen(counter->pmu_name)))
+		return;
+
+	config = strchr(counter->name, '/');
+	if (config) {
+		if (asprintf(&new_name,
+			     "%s%s", counter->pmu_name, config) > 0) {
+			free(counter->name);
+			counter->name = new_name;
+		}
+	} else {
+		if (evsel__is_hybrid(counter)) {
+			ret = asprintf(&new_name, "%s/%s/",
+				       counter->pmu_name, counter->name);
+		} else {
+			ret = asprintf(&new_name, "%s [%s]",
+				       counter->name, counter->pmu_name);
+		}
+
+		if (ret) {
+			free(counter->name);
+			counter->name = new_name;
+		}
+	}
+
+	counter->uniquified_name = true;
+}
+
+static bool hybrid_uniquify(struct evsel *evsel, struct perf_stat_config *config)
+{
+	return evsel__is_hybrid(evsel) && !config->hybrid_merge;
+}
+
+static void uniquify_counter(struct perf_stat_config *config, struct evsel *counter)
+{
+	if (config->no_merge || hybrid_uniquify(counter, config))
+		uniquify_event_name(counter);
+}
+
+/**
+ * should_skip_zero_count() - Check if the event should print 0 values.
+ * @config: The perf stat configuration (including aggregation mode).
+ * @counter: The evsel with its associated cpumap.
+ * @id: The aggregation id that is being queried.
+ *
+ * Due to mismatch between the event cpumap or thread-map and the
+ * aggregation mode, sometimes it'd iterate the counter with the map
+ * which does not contain any values.
+ *
+ * For example, uncore events have dedicated CPUs to manage them,
+ * result for other CPUs should be zero and skipped.
+ *
+ * Return: %true if the value should NOT be printed, %false if the value
+ * needs to be printed like "<not counted>" or "<not supported>".
+ */
+static bool should_skip_zero_counter(struct perf_stat_config *config,
+				     struct evsel *counter,
+				     const struct aggr_cpu_id *id)
+{
+	struct perf_cpu cpu;
+	int idx;
+
+	/*
+	 * Skip value 0 when enabling --per-thread globally,
+	 * otherwise it will have too many 0 output.
+	 */
+	if (config->aggr_mode == AGGR_THREAD && config->system_wide)
+		return true;
+
+	/* Tool events have the software PMU but are only gathered on 1. */
+	if (evsel__is_tool(counter))
+		return true;
+
+	/*
+	 * Skip value 0 when it's an uncore event and the given aggr id
+	 * does not belong to the PMU cpumask.
+	 */
+	if (!counter->pmu || !counter->pmu->is_uncore)
+		return false;
+
+	perf_cpu_map__for_each_cpu(cpu, idx, counter->pmu->cpus) {
+		struct aggr_cpu_id own_id = config->aggr_get_id(config, cpu);
+
+		if (aggr_cpu_id__equal(id, &own_id))
+			return false;
+	}
+	return true;
+}
+
+static void print_counter_aggrdata(struct perf_stat_config *config,
+				   struct evsel *counter, int aggr_idx,
+				   struct outstate *os)
+{
+	FILE *output = config->output;
+	u64 ena, run, val;
+	double uval;
+	struct perf_stat_evsel *ps = counter->stats;
+	struct perf_stat_aggr *aggr = &ps->aggr[aggr_idx];
+	struct aggr_cpu_id id = config->aggr_map->map[aggr_idx];
+	double avg = aggr->counts.val;
+	bool metric_only = config->metric_only;
+
+	os->id = id;
+	os->aggr_nr = aggr->nr;
+	os->evsel = counter;
+
+	/* Skip already merged uncore/hybrid events */
+	if (counter->merged_stat)
+		return;
+
+	uniquify_counter(config, counter);
+
+	val = aggr->counts.val;
+	ena = aggr->counts.ena;
+	run = aggr->counts.run;
+
+	if (perf_stat__skip_metric_event(counter, &config->metric_events, ena, run))
+		return;
+
+	if (val == 0 && should_skip_zero_counter(config, counter, &id))
+		return;
+
+	if (!metric_only) {
+		if (config->json_output)
+			fputc('{', output);
+		if (os->prefix)
+			fprintf(output, "%s", os->prefix);
+		else if (config->summary && config->csv_output &&
+			 !config->no_csv_summary && !config->interval)
+			fprintf(output, "%s%s", "summary", config->csv_sep);
+	}
+
+	uval = val * counter->scale;
+
+	printout(config, os, uval, run, ena, avg, aggr_idx);
+
+	if (!metric_only)
+		fputc('\n', output);
+}
+
+static void print_metric_begin(struct perf_stat_config *config,
+			       struct evlist *evlist,
+			       struct outstate *os, int aggr_idx)
+{
+	struct perf_stat_aggr *aggr;
+	struct aggr_cpu_id id;
+	struct evsel *evsel;
+
+	os->first = true;
+	if (!config->metric_only)
+		return;
+
+	if (config->json_output)
+		fputc('{', config->output);
+	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, os->cgrp ? : evsel->cgrp);
+}
+
+static void print_metric_end(struct perf_stat_config *config, struct outstate *os)
+{
+	FILE *output = config->output;
+
+	if (!config->metric_only)
+		return;
+
+	if (config->json_output) {
+		if (os->first)
+			fputs("\"metric-value\" : \"none\"", output);
+		fputc('}', output);
+	}
+	fputc('\n', output);
+}
+
+static void print_aggr(struct perf_stat_config *config,
+		       struct evlist *evlist,
+		       struct outstate *os)
+{
+	struct evsel *counter;
+	int aggr_idx;
+
+	if (!config->aggr_map || !config->aggr_get_id)
+		return;
+
+	/*
+	 * With metric_only everything is on a single line.
+	 * Without each counter has its own line.
+	 */
+	cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) {
+		print_metric_begin(config, evlist, os, aggr_idx);
+
+		evlist__for_each_entry(evlist, counter) {
+			print_counter_aggrdata(config, counter, aggr_idx, os);
+		}
+		print_metric_end(config, os);
+	}
+}
+
+static void print_aggr_cgroup(struct perf_stat_config *config,
+			      struct evlist *evlist,
+			      struct outstate *os)
+{
+	struct evsel *counter, *evsel;
+	int aggr_idx;
+
+	if (!config->aggr_map || !config->aggr_get_id)
+		return;
+
+	evlist__for_each_entry(evlist, evsel) {
+		if (os->cgrp == evsel->cgrp)
+			continue;
+
+		os->cgrp = evsel->cgrp;
+
+		cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) {
+			print_metric_begin(config, evlist, os, aggr_idx);
+
+			evlist__for_each_entry(evlist, counter) {
+				if (counter->cgrp != os->cgrp)
+					continue;
+
+				print_counter_aggrdata(config, counter, aggr_idx, os);
+			}
+			print_metric_end(config, os);
+		}
+	}
+}
+
+static void print_counter(struct perf_stat_config *config,
+			  struct evsel *counter, struct outstate *os)
+{
+	int aggr_idx;
+
+	/* AGGR_THREAD doesn't have config->aggr_get_id */
+	if (!config->aggr_map)
+		return;
+
+	cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) {
+		print_counter_aggrdata(config, counter, aggr_idx, os);
+	}
+}
+
+static void print_no_aggr_metric(struct perf_stat_config *config,
+				 struct evlist *evlist,
+				 struct outstate *os)
+{
+	int all_idx;
+	struct perf_cpu cpu;
+
+	perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.user_requested_cpus) {
+		struct evsel *counter;
+		bool first = true;
+
+		evlist__for_each_entry(evlist, counter) {
+			u64 ena, run, val;
+			double uval;
+			struct perf_stat_evsel *ps = counter->stats;
+			int aggr_idx = perf_cpu_map__idx(evsel__cpus(counter), cpu);
+
+			if (aggr_idx < 0)
+				continue;
+
+			os->evsel = counter;
+			os->id = aggr_cpu_id__cpu(cpu, /*data=*/NULL);
+			if (first) {
+				print_metric_begin(config, evlist, os, aggr_idx);
+				first = false;
+			}
+			val = ps->aggr[aggr_idx].counts.val;
+			ena = ps->aggr[aggr_idx].counts.ena;
+			run = ps->aggr[aggr_idx].counts.run;
+
+			uval = val * counter->scale;
+			printout(config, os, uval, run, ena, 1.0, aggr_idx);
+		}
+		if (!first)
+			print_metric_end(config, os);
+	}
+}
+
+static void print_metric_headers_std(struct perf_stat_config *config,
+				     bool no_indent)
+{
+	fputc(' ', config->output);
+
+	if (!no_indent) {
+		int len = aggr_header_lens[config->aggr_mode];
+
+		if (nr_cgroups || config->cgroup_list)
+			len += CGROUP_LEN + 1;
+
+		fprintf(config->output, "%*s", len, "");
+	}
+}
+
+static void print_metric_headers_csv(struct perf_stat_config *config,
+				     bool no_indent __maybe_unused)
+{
+	if (config->interval)
+		fputs("time,", config->output);
+	if (!config->iostat_run)
+		fputs(aggr_header_csv[config->aggr_mode], config->output);
+}
+
+static void print_metric_headers_json(struct perf_stat_config *config __maybe_unused,
+				      bool no_indent __maybe_unused)
+{
+}
+
+static void print_metric_headers(struct perf_stat_config *config,
+				 struct evlist *evlist, bool no_indent)
+{
+	struct evsel *counter;
+	struct outstate os = {
+		.fh = config->output
+	};
+	struct perf_stat_output_ctx out = {
+		.ctx = &os,
+		.print_metric = print_metric_header,
+		.new_line = new_line_metric,
+		.force_header = true,
+	};
+
+	if (config->json_output)
+		print_metric_headers_json(config, no_indent);
+	else if (config->csv_output)
+		print_metric_headers_csv(config, no_indent);
+	else
+		print_metric_headers_std(config, no_indent);
+
+	if (config->iostat_run)
+		iostat_print_header_prefix(config);
+
+	if (config->cgroup_list)
+		os.cgrp = evlist__first(evlist)->cgrp;
+
+	/* Print metrics headers only */
+	evlist__for_each_entry(evlist, counter) {
+		os.evsel = counter;
+
+		perf_stat__print_shadow_stats(config, counter, 0,
+					      0,
+					      &out,
+					      &config->metric_events);
+	}
+
+	if (!config->json_output)
+		fputc('\n', config->output);
+}
+
+static void prepare_interval(struct perf_stat_config *config,
+			     char *prefix, size_t len, struct timespec *ts)
+{
+	if (config->iostat_run)
+		return;
+
+	if (config->json_output)
+		scnprintf(prefix, len, "\"interval\" : %lu.%09lu, ",
+			  (unsigned long) ts->tv_sec, ts->tv_nsec);
+	else if (config->csv_output)
+		scnprintf(prefix, len, "%lu.%09lu%s",
+			  (unsigned long) ts->tv_sec, ts->tv_nsec, config->csv_sep);
+	else
+		scnprintf(prefix, len, "%6lu.%09lu ",
+			  (unsigned long) ts->tv_sec, ts->tv_nsec);
+}
+
+static void print_header_interval_std(struct perf_stat_config *config,
+				      struct target *_target __maybe_unused,
+				      struct evlist *evlist,
+				      int argc __maybe_unused,
+				      const char **argv __maybe_unused)
+{
+	FILE *output = config->output;
+
+	switch (config->aggr_mode) {
+	case AGGR_NODE:
+	case AGGR_SOCKET:
+	case AGGR_DIE:
+	case AGGR_CACHE:
+	case AGGR_CORE:
+		fprintf(output, "#%*s %-*s cpus",
+			INTERVAL_LEN - 1, "time",
+			aggr_header_lens[config->aggr_mode],
+			aggr_header_std[config->aggr_mode]);
+		break;
+	case AGGR_NONE:
+		fprintf(output, "#%*s %-*s",
+			INTERVAL_LEN - 1, "time",
+			aggr_header_lens[config->aggr_mode],
+			aggr_header_std[config->aggr_mode]);
+		break;
+	case AGGR_THREAD:
+		fprintf(output, "#%*s %*s-%-*s",
+			INTERVAL_LEN - 1, "time",
+			COMM_LEN, "comm", PID_LEN, "pid");
+		break;
+	case AGGR_GLOBAL:
+	default:
+		if (!config->iostat_run)
+			fprintf(output, "#%*s",
+				INTERVAL_LEN - 1, "time");
+	case AGGR_UNSET:
+	case AGGR_MAX:
+		break;
+	}
+
+	if (config->metric_only)
+		print_metric_headers(config, evlist, true);
+	else
+		fprintf(output, " %*s %*s events\n",
+			COUNTS_LEN, "counts", config->unit_width, "unit");
+}
+
+static void print_header_std(struct perf_stat_config *config,
+			     struct target *_target, struct evlist *evlist,
+			     int argc, const char **argv)
+{
+	FILE *output = config->output;
+	int i;
+
+	fprintf(output, "\n");
+	fprintf(output, " Performance counter stats for ");
+	if (_target->bpf_str)
+		fprintf(output, "\'BPF program(s) %s", _target->bpf_str);
+	else if (_target->system_wide)
+		fprintf(output, "\'system wide");
+	else if (_target->cpu_list)
+		fprintf(output, "\'CPU(s) %s", _target->cpu_list);
+	else if (!target__has_task(_target)) {
+		fprintf(output, "\'%s", argv ? argv[0] : "pipe");
+		for (i = 1; argv && (i < argc); i++)
+			fprintf(output, " %s", argv[i]);
+	} else if (_target->pid)
+		fprintf(output, "process id \'%s", _target->pid);
+	else
+		fprintf(output, "thread id \'%s", _target->tid);
+
+	fprintf(output, "\'");
+	if (config->run_count > 1)
+		fprintf(output, " (%d runs)", config->run_count);
+	fprintf(output, ":\n\n");
+
+	if (config->metric_only)
+		print_metric_headers(config, evlist, false);
+}
+
+static void print_header_csv(struct perf_stat_config *config,
+			     struct target *_target __maybe_unused,
+			     struct evlist *evlist,
+			     int argc __maybe_unused,
+			     const char **argv __maybe_unused)
+{
+	if (config->metric_only)
+		print_metric_headers(config, evlist, true);
+}
+static void print_header_json(struct perf_stat_config *config,
+			      struct target *_target __maybe_unused,
+			      struct evlist *evlist,
+			      int argc __maybe_unused,
+			      const char **argv __maybe_unused)
+{
+	if (config->metric_only)
+		print_metric_headers(config, evlist, true);
+}
+
+static void print_header(struct perf_stat_config *config,
+			 struct target *_target,
+			 struct evlist *evlist,
+			 int argc, const char **argv)
+{
+	static int num_print_iv;
+
+	fflush(stdout);
+
+	if (config->interval_clear)
+		puts(CONSOLE_CLEAR);
+
+	if (num_print_iv == 0 || config->interval_clear) {
+		if (config->json_output)
+			print_header_json(config, _target, evlist, argc, argv);
+		else if (config->csv_output)
+			print_header_csv(config, _target, evlist, argc, argv);
+		else if (config->interval)
+			print_header_interval_std(config, _target, evlist, argc, argv);
+		else
+			print_header_std(config, _target, evlist, argc, argv);
+	}
+
+	if (num_print_iv++ == 25)
+		num_print_iv = 0;
+}
+
+static int get_precision(double num)
+{
+	if (num > 1)
+		return 0;
+
+	return lround(ceil(-log10(num)));
+}
+
+static void print_table(struct perf_stat_config *config,
+			FILE *output, int precision, double avg)
+{
+	char tmp[64];
+	int idx, indent = 0;
+
+	scnprintf(tmp, 64, " %17.*f", precision, avg);
+	while (tmp[indent] == ' ')
+		indent++;
+
+	fprintf(output, "%*s# Table of individual measurements:\n", indent, "");
+
+	for (idx = 0; idx < config->run_count; idx++) {
+		double run = (double) config->walltime_run[idx] / NSEC_PER_SEC;
+		int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5);
+
+		fprintf(output, " %17.*f (%+.*f) ",
+			precision, run, precision, run - avg);
+
+		for (h = 0; h < n; h++)
+			fprintf(output, "#");
+
+		fprintf(output, "\n");
+	}
+
+	fprintf(output, "\n%*s# Final result:\n", indent, "");
+}
+
+static double timeval2double(struct timeval *t)
+{
+	return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC;
+}
+
+static void print_footer(struct perf_stat_config *config)
+{
+	double avg = avg_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
+	FILE *output = config->output;
+
+	if (config->interval || config->csv_output || config->json_output)
+		return;
+
+	if (!config->null_run)
+		fprintf(output, "\n");
+
+	if (config->run_count == 1) {
+		fprintf(output, " %17.9f seconds time elapsed", avg);
+
+		if (config->ru_display) {
+			double ru_utime = timeval2double(&config->ru_data.ru_utime);
+			double ru_stime = timeval2double(&config->ru_data.ru_stime);
+
+			fprintf(output, "\n\n");
+			fprintf(output, " %17.9f seconds user\n", ru_utime);
+			fprintf(output, " %17.9f seconds sys\n", ru_stime);
+		}
+	} else {
+		double sd = stddev_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
+		/*
+		 * Display at most 2 more significant
+		 * digits than the stddev inaccuracy.
+		 */
+		int precision = get_precision(sd) + 2;
+
+		if (config->walltime_run_table)
+			print_table(config, output, precision, avg);
+
+		fprintf(output, " %17.*f +- %.*f seconds time elapsed",
+			precision, avg, precision, sd);
+
+		print_noise_pct(config, sd, avg, /*before_metric=*/false);
+	}
+	fprintf(output, "\n\n");
+
+	if (config->print_free_counters_hint && sysctl__nmi_watchdog_enabled())
+		fprintf(output,
+"Some events weren't counted. Try disabling the NMI watchdog:\n"
+"	echo 0 > /proc/sys/kernel/nmi_watchdog\n"
+"	perf stat ...\n"
+"	echo 1 > /proc/sys/kernel/nmi_watchdog\n");
+
+	if (config->print_mixed_hw_group_error)
+		fprintf(output,
+			"The events in group usually have to be from "
+			"the same PMU. Try reorganizing the group.\n");
+}
+
+static void print_percore(struct perf_stat_config *config,
+			  struct evsel *counter, struct outstate *os)
+{
+	bool metric_only = config->metric_only;
+	FILE *output = config->output;
+	struct cpu_aggr_map *core_map;
+	int aggr_idx, core_map_len = 0;
+
+	if (!config->aggr_map || !config->aggr_get_id)
+		return;
+
+	if (config->percore_show_thread)
+		return print_counter(config, counter, os);
+
+	/*
+	 * core_map will hold the aggr_cpu_id for the cores that have been
+	 * printed so that each core is printed just once.
+	 */
+	core_map = cpu_aggr_map__empty_new(config->aggr_map->nr);
+	if (core_map == NULL) {
+		fprintf(output, "Cannot allocate per-core aggr map for display\n");
+		return;
+	}
+
+	cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) {
+		struct perf_cpu curr_cpu = config->aggr_map->map[aggr_idx].cpu;
+		struct aggr_cpu_id core_id = aggr_cpu_id__core(curr_cpu, NULL);
+		bool found = false;
+
+		for (int i = 0; i < core_map_len; i++) {
+			if (aggr_cpu_id__equal(&core_map->map[i], &core_id)) {
+				found = true;
+				break;
+			}
+		}
+		if (found)
+			continue;
+
+		print_counter_aggrdata(config, counter, aggr_idx, os);
+
+		core_map->map[core_map_len++] = core_id;
+	}
+	free(core_map);
+
+	if (metric_only)
+		fputc('\n', output);
+}
+
+static void print_cgroup_counter(struct perf_stat_config *config, struct evlist *evlist,
+				 struct outstate *os)
+{
+	struct evsel *counter;
+
+	evlist__for_each_entry(evlist, counter) {
+		if (os->cgrp != counter->cgrp) {
+			if (os->cgrp != NULL)
+				print_metric_end(config, os);
+
+			os->cgrp = counter->cgrp;
+			print_metric_begin(config, evlist, os, /*aggr_idx=*/0);
+		}
+
+		print_counter(config, counter, os);
+	}
+	if (os->cgrp)
+		print_metric_end(config, os);
+}
+
+void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config,
+			    struct target *_target, struct timespec *ts,
+			    int argc, const char **argv)
+{
+	bool metric_only = config->metric_only;
+	int interval = config->interval;
+	struct evsel *counter;
+	char buf[64];
+	struct outstate os = {
+		.fh = config->output,
+		.first = true,
+	};
+
+	if (config->iostat_run)
+		evlist->selected = evlist__first(evlist);
+
+	if (interval) {
+		os.prefix = buf;
+		prepare_interval(config, buf, sizeof(buf), ts);
+	}
+
+	print_header(config, _target, evlist, argc, argv);
+
+	switch (config->aggr_mode) {
+	case AGGR_CORE:
+	case AGGR_CACHE:
+	case AGGR_DIE:
+	case AGGR_SOCKET:
+	case AGGR_NODE:
+		if (config->cgroup_list)
+			print_aggr_cgroup(config, evlist, &os);
+		else
+			print_aggr(config, evlist, &os);
+		break;
+	case AGGR_THREAD:
+	case AGGR_GLOBAL:
+		if (config->iostat_run) {
+			iostat_print_counters(evlist, config, ts, buf,
+					      (iostat_print_counter_t)print_counter, &os);
+		} else if (config->cgroup_list) {
+			print_cgroup_counter(config, evlist, &os);
+		} else {
+			print_metric_begin(config, evlist, &os, /*aggr_idx=*/0);
+			evlist__for_each_entry(evlist, counter) {
+				print_counter(config, counter, &os);
+			}
+			print_metric_end(config, &os);
+		}
+		break;
+	case AGGR_NONE:
+		if (metric_only)
+			print_no_aggr_metric(config, evlist, &os);
+		else {
+			evlist__for_each_entry(evlist, counter) {
+				if (counter->percore)
+					print_percore(config, counter, &os);
+				else
+					print_counter(config, counter, &os);
+			}
+		}
+		break;
+	case AGGR_MAX:
+	case AGGR_UNSET:
+	default:
+		break;
+	}
+
+	print_footer(config);
+
+	fflush(config->output);
+}