path: root/tools/perf/util/stat-display.c

#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"

#define CNTR_NOT_SUPPORTED	"<not supported>"
#define CNTR_NOT_COUNTED	"<not counted>"

#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);
		} el