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-rw-r--r--tools/perf/builtin-stat.c1463
1 files changed, 114 insertions, 1349 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index d097b5b47eb8..b86aba1c8028 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -88,8 +88,6 @@
#include "sane_ctype.h"
#define DEFAULT_SEPARATOR " "
-#define CNTR_NOT_SUPPORTED "<not supported>"
-#define CNTR_NOT_COUNTED "<not counted>"
#define FREEZE_ON_SMI_PATH "devices/cpu/freeze_on_smi"
static void print_counters(struct timespec *ts, int argc, const char **argv);
@@ -137,54 +135,30 @@ static const char *smi_cost_attrs = {
static struct perf_evlist *evsel_list;
-static struct rblist metric_events;
-
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 int run_count = 1;
-static bool no_inherit = false;
static volatile pid_t child_pid = -1;
-static bool null_run = false;
static int detailed_run = 0;
static bool transaction_run;
static bool topdown_run = false;
static bool smi_cost = false;
static bool smi_reset = false;
-static bool big_num = true;
static int big_num_opt = -1;
-static const char *csv_sep = NULL;
-static bool csv_output = false;
static bool group = false;
static const char *pre_cmd = NULL;
static const char *post_cmd = NULL;
static bool sync_run = false;
-static unsigned int initial_delay = 0;
-static unsigned int unit_width = 4; /* strlen("unit") */
static bool forever = false;
-static bool metric_only = false;
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 bool interval_clear;
static const char *output_name;
static int output_fd;
-static int print_free_counters_hint;
-static int print_mixed_hw_group_error;
-static u64 *walltime_run;
-static bool ru_display = false;
-static struct rusage ru_data;
-static unsigned int metric_only_len = METRIC_ONLY_LEN;
struct perf_stat {
bool record;
@@ -204,15 +178,15 @@ static struct perf_stat perf_stat;
static volatile int done = 0;
static struct perf_stat_config stat_config = {
- .aggr_mode = AGGR_GLOBAL,
- .scale = true,
+ .aggr_mode = AGGR_GLOBAL,
+ .scale = true,
+ .unit_width = 4, /* strlen("unit") */
+ .run_count = 1,
+ .metric_only_len = METRIC_ONLY_LEN,
+ .walltime_nsecs_stats = &walltime_nsecs_stats,
+ .big_num = true,
};
-static bool is_duration_time(struct perf_evsel *evsel)
-{
- return !strcmp(evsel->name, "duration_time");
-}
-
static inline void diff_timespec(struct timespec *r, struct timespec *a,
struct timespec *b)
{
@@ -236,66 +210,6 @@ static void perf_stat__reset_stats(void)
perf_stat__reset_shadow_per_stat(&stat_config.stats[i]);
}
-static int create_perf_stat_counter(struct perf_evsel *evsel)
-{
- struct perf_event_attr *attr = &evsel->attr;
- struct perf_evsel *leader = evsel->leader;
-
- if (stat_config.scale) {
- attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED |
- PERF_FORMAT_TOTAL_TIME_RUNNING;
- }
-
- /*
- * The event is part of non trivial group, let's enable
- * the group read (for leader) and ID retrieval for all
- * members.
- */
- if (leader->nr_members > 1)
- attr->read_format |= PERF_FORMAT_ID|PERF_FORMAT_GROUP;
-
- attr->inherit = !no_inherit;
-
- /*
- * Some events get initialized with sample_(period/type) set,
- * like tracepoints. Clear it up for counting.
- */
- attr->sample_period = 0;
-
- /*
- * But set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless
- * while avoiding that older tools show confusing messages.
- *
- * However for pipe sessions we need to keep it zero,
- * because script's perf_evsel__check_attr is triggered
- * by attr->sample_type != 0, and we can't run it on
- * stat sessions.
- */
- if (!(STAT_RECORD && perf_stat.data.is_pipe))
- attr->sample_type = PERF_SAMPLE_IDENTIFIER;
-
- /*
- * Disabling all counters initially, they will be enabled
- * either manually by us or by kernel via enable_on_exec
- * set later.
- */
- if (perf_evsel__is_group_leader(evsel)) {
- attr->disabled = 1;
-
- /*
- * In case of initial_delay we enable tracee
- * events manually.
- */
- if (target__none(&target) && !initial_delay)
- attr->enable_on_exec = 1;
- }
-
- if (target__has_cpu(&target) && !target__has_per_thread(&target))
- return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel));
-
- return perf_evsel__open_per_thread(evsel, evsel_list->threads);
-}
-
static int process_synthesized_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
@@ -428,15 +342,15 @@ static void process_interval(void)
static void enable_counters(void)
{
- if (initial_delay)
- usleep(initial_delay * USEC_PER_MSEC);
+ if (stat_config.initial_delay)
+ usleep(stat_config.initial_delay * USEC_PER_MSEC);
/*
* We need to enable counters only if:
* - we don't have tracee (attaching to task or cpu)
* - we have initial delay configured
*/
- if (!target__none(&target) || initial_delay)
+ if (!target__none(&target) || stat_config.initial_delay)
perf_evlist__enable(evsel_list);
}
@@ -464,80 +378,6 @@ static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *inf
workload_exec_errno = info->si_value.sival_int;
}
-static int perf_stat_synthesize_config(bool is_pipe)
-{
- int err;
-
- if (is_pipe) {
- err = perf_event__synthesize_attrs(NULL, perf_stat.session,
- process_synthesized_event);
- if (err < 0) {
- pr_err("Couldn't synthesize attrs.\n");
- return err;
- }
- }
-
- err = perf_event__synthesize_extra_attr(NULL,
- evsel_list,
- process_synthesized_event,
- is_pipe);
-
- err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads,
- process_synthesized_event,
- NULL);
- if (err < 0) {
- pr_err("Couldn't synthesize thread map.\n");
- return err;
- }
-
- err = perf_event__synthesize_cpu_map(NULL, evsel_list->cpus,
- process_synthesized_event, NULL);
- if (err < 0) {
- pr_err("Couldn't synthesize thread map.\n");
- return err;
- }
-
- err = perf_event__synthesize_stat_config(NULL, &stat_config,
- process_synthesized_event, NULL);
- if (err < 0) {
- pr_err("Couldn't synthesize config.\n");
- return err;
- }
-
- return 0;
-}
-
-#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
-
-static int __store_counter_ids(struct perf_evsel *counter)
-{
- int cpu, thread;
-
- for (cpu = 0; cpu < xyarray__max_x(counter->fd); cpu++) {
- for (thread = 0; thread < xyarray__max_y(counter->fd);
- thread++) {
- int fd = FD(counter, cpu, thread);
-
- if (perf_evlist__id_add_fd(evsel_list, counter,
- cpu, thread, fd) < 0)
- return -1;
- }
- }
-
- return 0;
-}
-
-static int store_counter_ids(struct perf_evsel *counter)
-{
- struct cpu_map *cpus = counter->cpus;
- struct thread_map *threads = counter->threads;
-
- if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr))
- return -ENOMEM;
-
- return __store_counter_ids(counter);
-}
-
static bool perf_evsel__should_store_id(struct perf_evsel *counter)
{
return STAT_RECORD || counter->attr.read_format & PERF_FORMAT_ID;
@@ -609,7 +449,7 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx)
evlist__for_each_entry(evsel_list, counter) {
try_again:
- if (create_perf_stat_counter(counter) < 0) {
+ if (create_perf_stat_counter(counter, &stat_config, &target) < 0) {
/* Weak group failed. Reset the group. */
if ((errno == EINVAL || errno == EBADF) &&
@@ -664,11 +504,11 @@ try_again:
counter->supported = true;
l = strlen(counter->unit);
- if (l > unit_width)
- unit_width = l;
+ if (l > stat_config.unit_width)
+ stat_config.unit_width = l;
if (perf_evsel__should_store_id(counter) &&
- store_counter_ids(counter))
+ perf_evsel__store_ids(counter, evsel_list))
return -1;
}
@@ -699,7 +539,8 @@ try_again:
if (err < 0)
return err;
- err = perf_stat_synthesize_config(is_pipe);
+ err = perf_stat_synthesize_config(&stat_config, NULL, evsel_list,
+ process_synthesized_event, is_pipe);
if (err < 0)
return err;
}
@@ -724,7 +565,7 @@ try_again:
break;
}
}
- wait4(child_pid, &status, 0, &ru_data);
+ wait4(child_pid, &status, 0, &stat_config.ru_data);
if (workload_exec_errno) {
const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg));
@@ -752,8 +593,8 @@ try_again:
t1 = rdclock();
- if (walltime_run_table)
- walltime_run[run_idx] = t1 - t0;
+ if (stat_config.walltime_run_table)
+ stat_config.walltime_run[run_idx] = t1 - t0;
update_stats(&walltime_nsecs_stats, t1 - t0);
@@ -795,1105 +636,14 @@ static int run_perf_stat(int argc, const char **argv, int run_idx)
return ret;
}
-static void print_running(u64 run, u64 ena)
-{
- if (csv_output) {
- fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f",
- csv_sep,
- run,
- csv_sep,
- ena ? 100.0 * run / ena : 100.0);
- } else if (run != ena) {
- fprintf(stat_config.output, " (%.2f%%)", 100.0 * run / ena);
- }
-}
-
-static void print_noise_pct(double total, double avg)
-{
- double pct = rel_stddev_stats(total, avg);
-
- if (csv_output)
- fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct);
- else if (pct)
- fprintf(stat_config.output, " ( +-%6.2f%% )", pct);
-}
-
-static void print_noise(struct perf_evsel *evsel, double avg)
-{
- struct perf_stat_evsel *ps;
-
- if (run_count == 1)
- return;
-
- ps = evsel->stats;
- print_noise_pct(stddev_stats(&ps->res_stats[0]), avg);
-}
-
-static void aggr_printout(struct perf_evsel *evsel, int id, int nr)
-{
- switch (stat_config.aggr_mode) {
- case AGGR_CORE:
- fprintf(stat_config.output, "S%d-C%*d%s%*d%s",
- cpu_map__id_to_socket(id),
- csv_output ? 0 : -8,
- cpu_map__id_to_cpu(id),
- csv_sep,
- csv_output ? 0 : 4,
- nr,
- csv_sep);
- break;
- case AGGR_SOCKET:
- fprintf(stat_config.output, "S%*d%s%*d%s",
- csv_output ? 0 : -5,
- id,
- csv_sep,
- csv_output ? 0 : 4,
- nr,
- csv_sep);
- break;
- case AGGR_NONE:
- fprintf(stat_config.output, "CPU%*d%s",
- csv_output ? 0 : -4,
- perf_evsel__cpus(evsel)->map[id], csv_sep);
- break;
- case AGGR_THREAD:
- fprintf(stat_config.output, "%*s-%*d%s",
- csv_output ? 0 : 16,
- thread_map__comm(evsel->threads, id),
- csv_output ? 0 : -8,
- thread_map__pid(evsel->threads, id),
- csv_sep);
- break;
- case AGGR_GLOBAL:
- case AGGR_UNSET:
- default:
- break;
- }
-}
-
-struct outstate {
- FILE *fh;
- bool newline;
- const char *prefix;
- int nfields;
- int id, nr;
- struct perf_evsel *evsel;
-};
-
-#define METRIC_LEN 35
-
-static void new_line_std(void *ctx)
-{
- struct outstate *os = ctx;
-
- os->newline = true;
-}
-
-static void do_new_line_std(struct outstate *os)
-{
- fputc('\n', os->fh);
- fputs(os->prefix, os->fh);
- aggr_printout(os->evsel, os->id, os->nr);
- if (stat_config.aggr_mode == AGGR_NONE)
- fprintf(os->fh, " ");
- fprintf(os->fh, " ");
-}
-
-static void print_metric_std(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(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(void *ctx)
-{
- struct outstate *os = ctx;
- int i;
-
- fputc('\n', os->fh);
- if (os->prefix)
- fprintf(os->fh, "%s%s", os->prefix, csv_sep);
- aggr_printout(os->evsel, os->id, os->nr);
- for (i = 0; i < os->nfields; i++)
- fputs(csv_sep, os->fh);
-}
-
-static void print_metric_csv(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", csv_sep, csv_sep);
- return;
- }
- snprintf(buf, sizeof(buf), fmt, val);
- ends = vals = ltrim(buf);
- while (isdigit(*ends) || *ends == '.')
- ends++;
- *ends = 0;
- while (isspace(*unit))
- unit++;
- fprintf(out, "%s%s%s%s", csv_sep, vals, csv_sep, unit);
-}
-
-/* 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, "hz") ||
- strstr(unit, "Hz") ||
- strstr(unit, "CPUs utilized"))
- return false;
- return true;
-}
-
-static const char *fixunit(char *buf, struct perf_evsel *evsel,
- const char *unit)
-{
- if (!strncmp(unit, "of all", 6)) {
- snprintf(buf, 1024, "%s %s", perf_evsel__name(evsel),
- unit);
- return buf;
- }
- return unit;
-}
-
-static void print_metric_only(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 = 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);
-}
-
-static void print_metric_only_csv(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 = ltrim(buf);
- while (isdigit(*ends) || *ends == '.')
- ends++;
- *ends = 0;
- fprintf(out, "%s%s", vals, csv_sep);
-}
-
-static void new_line_metric(void *ctx __maybe_unused)
-{
-}
-
-static void print_metric_header(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];
-
- if (!valid_only_metric(unit))
- return;
- unit = fixunit(tbuf, os->evsel, unit);
- if (csv_output)
- fprintf(os->fh, "%s%s", unit, csv_sep);
- else
- fprintf(os->fh, "%*s ", metric_only_len, unit);
-}
-
-static int first_shadow_cpu(struct perf_evsel *evsel, int id)
-{
- int i;
-
- if (!aggr_get_id)
- return 0;
-
- if (stat_config.aggr_mode == AGGR_NONE)
- return id;
-
- if (stat_config.aggr_mode == AGGR_GLOBAL)
- return 0;
-
- 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)
- return cpu2;
- }
- return 0;
-}
-
-static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg)
-{
- FILE *output = stat_config.output;
- double sc = evsel->scale;
- const char *fmt;
-
- if (csv_output) {
- fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s";
- } else {
- if (big_num)
- fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s";
- else
- fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s";
- }
-
- aggr_printout(evsel, id, nr);
-
- fprintf(output, fmt, avg, csv_sep);
-
- if (evsel->unit)
- fprintf(output, "%-*s%s",
- csv_output ? 0 : unit_width,
- evsel->unit, csv_sep);
-
- fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel));
-
- if (evsel->cgrp)
- fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
-}
-
-static bool is_mixed_hw_group(struct perf_evsel *counter)
-{
- struct perf_evlist *evlist = counter->evlist;
- u32 pmu_type = counter->attr.type;
- struct perf_evsel *pos;
-
- if (counter->nr_members < 2)
- return false;
-
- evlist__for_each_entry(evlist, pos) {
- /* software events can be part of any hardware group */
- if (pos->attr.type == PERF_TYPE_SOFTWARE)
- continue;
- if (pmu_type == PERF_TYPE_SOFTWARE) {
- pmu_type = pos->attr.type;
- continue;
- }
- if (pmu_type != pos->attr.type)
- return true;
- }
-
- return false;
-}
-
-static void printout(int id, int nr, struct perf_evsel *counter, double uval,
- char *prefix, u64 run, u64 ena, double noise,
- struct runtime_stat *st)
-{
- struct perf_stat_output_ctx out;
- struct outstate os = {
- .fh = stat_config.output,
- .prefix = prefix ? prefix : "",
- .id = id,
- .nr = nr,
- .evsel = counter,
- };
- print_metric_t pm = print_metric_std;
- void (*nl)(void *);
-
- if (metric_only) {
- nl = new_line_metric;
- if (csv_output)
- pm = print_metric_only_csv;
- else
- pm = print_metric_only;
- } else
- nl = new_line_std;
-
- if (csv_output && !metric_only) {
- static int aggr_fields[] = {
- [AGGR_GLOBAL] = 0,
- [AGGR_THREAD] = 1,
- [AGGR_NONE] = 1,
- [AGGR_SOCKET] = 2,
- [AGGR_CORE] = 2,
- };
-
- pm = print_metric_csv;
- nl = new_line_csv;
- os.nfields = 3;
- os.nfields += aggr_fields[stat_config.aggr_mode];
- if (counter->cgrp)
- os.nfields++;
- }
- if (run == 0 || ena == 0 || counter->counts->scaled == -1) {
- if (metric_only) {
- pm(&os, NULL, "", "", 0);
- return;
- }
- aggr_printout(counter, id, nr);
-
- fprintf(stat_config.output, "%*s%s",
- csv_output ? 0 : 18,
- counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
- csv_sep);
-
- if (counter->supported) {
- print_free_counters_hint = 1;
- if (is_mixed_hw_group(counter))
- print_mixed_hw_group_error = 1;
- }
-
- fprintf(stat_config.output, "%-*s%s",
- csv_output ? 0 : unit_width,
- counter->unit, csv_sep);
-
- fprintf(stat_config.output, "%*s",
- csv_output ? 0 : -25,
- perf_evsel__name(counter));
-
- if (counter->cgrp)
- fprintf(stat_config.output, "%s%s",
- csv_sep, counter->cgrp->name);
-
- if (!csv_output)
- pm(&os, NULL, NULL, "", 0);
- print_noise(counter, noise);
- print_running(run, ena);
- if (csv_output)
- pm(&os, NULL, NULL, "", 0);
- return;
- }
-
- if (!metric_only)
- abs_printout(id, nr, counter, uval);
-
- out.print_metric = pm;
- out.new_line = nl;
- out.ctx = &os;
- out.force_header = false;
-
- if (csv_output && !metric_only) {
- print_noise(counter, noise);
- print_running(run, ena);
- }
-
- perf_stat__print_shadow_stats(counter, uval,
- first_shadow_cpu(counter, id),
- &out, &metric_events, st);
- if (!csv_output && !metric_only) {
- print_noise(counter, noise);
- print_running(run, ena);
- }
-}
-
-static void aggr_update_shadow(void)
-{
- int cpu, s2, id, s;
- u64 val;
- struct perf_evsel *counter;
-
- for (s = 0; s < aggr_map->nr; s++) {
- id = aggr_map->map[s];
- evlist__for_each_entry(evsel_list, counter) {
- val = 0;
- for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
- s2 = aggr_get_id(evsel_list->cpus, cpu);
- if (s2 != id)
- continue;
- val += perf_counts(counter->counts, cpu, 0)->val;
- }
- perf_stat__update_shadow_stats(counter, val,
- first_shadow_cpu(counter, id),
- &rt_stat);
- }
- }
-}
-
-static void uniquify_event_name(struct perf_evsel *counter)
-{
- char *new_name;
- char *config;
-
- if (counter->uniquified_name ||
- !counter->pmu_name || !strncmp(counter->name, 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 (asprintf(&new_name,
- "%s [%s]", counter->name, counter->pmu_name) > 0) {
- free(counter->name);
- counter->name = new_name;
- }
- }
-
- counter->uniquified_name = true;
-}
-
-static void collect_all_aliases(struct perf_evsel *counter,
- void (*cb)(struct perf_evsel *counter, void *data,
- bool first),
- void *data)
-{
- struct perf_evsel *alias;
-
- alias = list_prepare_entry(counter, &(evsel_list->entries), node);
- list_for_each_entry_continue (alias, &evsel_list->entries, node) {
- if (strcmp(perf_evsel__name(alias), perf_evsel__name(counter)) ||
- alias->scale != counter->scale ||
- alias->cgrp != counter->cgrp ||
- strcmp(alias->unit, counter->unit) ||
- perf_evsel__is_clock(alias) != perf_evsel__is_clock(counter))
- break;
- alias->merged_stat = true;
- cb(alias, data, false);
- }
-}
-
-static bool collect_data(struct perf_evsel *counter,
- void (*cb)(struct perf_evsel *counter, void *data,
- bool first),
- void *data)
-{
- if (counter->merged_stat)
- return false;
- cb(counter, data, true);
- if (no_merge)
- uniquify_event_name(counter);
- else if (counter->auto_merge_stats)
- collect_all_aliases(counter, cb, data);
- return true;
-}
-
-struct aggr_data {
- u64 ena, run, val;
- int id;
- int nr;
- int cpu;
-};
-
-static void aggr_cb(struct perf_evsel *counter, void *data, bool first)
-{
- struct aggr_data *ad = data;
- int cpu, s2;
-
- for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
- struct perf_counts_values *counts;
-
- s2 = aggr_get_id(perf_evsel__cpus(counter), cpu);
- if (s2 != ad->id)
- continue;
- if (first)
- ad->nr++;
- counts = perf_counts(counter->counts, cpu, 0);
- /*
- * When any result is bad, make them all to give
- * consistent output in interval mode.
- */
- if (counts->ena == 0 || counts->run == 0 ||
- counter->counts->scaled == -1) {
- ad->ena = 0;
- ad->run = 0;
- break;
- }
- ad->val += counts->val;
- ad->ena += counts->ena;
- ad->run += counts->run;
- }
-}
-
-static void print_aggr(char *prefix)
-{
- FILE *output = stat_config.output;
- struct perf_evsel *counter;
- int s, id, nr;
- double uval;
- u64 ena, run, val;
- bool first;
-
- if (!(aggr_map || aggr_get_id))
- return;
-
- aggr_update_shadow();
-
- /*
- * With metric_only everything is on a single line.
- * Without each counter has its own line.
- */
- for (s = 0; s < aggr_map->nr; s++) {
- struct aggr_data ad;
- if (prefix && metric_only)
- fprintf(output, "%s", prefix);
-
- ad.id = id = aggr_map->map[s];
- first = true;
- evlist__for_each_entry(evsel_list, counter) {
- if (is_duration_time(counter))
- continue;
-
- ad.val = ad.ena = ad.run = 0;
- ad.nr = 0;
- if (!collect_data(counter, aggr_cb, &ad))
- continue;
- nr = ad.nr;
- ena = ad.ena;
- run = ad.run;
- val = ad.val;
- if (first && metric_only) {
- first = false;
- aggr_printout(counter, id, nr);
- }
- if (prefix && !metric_only)
- fprintf(output, "%s", prefix);
-
- uval = val * counter->scale;
- printout(id, nr, counter, uval, prefix, run, ena, 1.0,
- &rt_stat);
- if (!metric_only)
- fputc('\n', output);
- }
- if (metric_only)
- fputc('\n', output);
- }
-}
-
-static int cmp_val(const void *a, const void *b)
-{
- return ((struct perf_aggr_thread_value *)b)->val -
- ((struct perf_aggr_thread_value *)a)->val;
-}
-
-static struct perf_aggr_thread_value *sort_aggr_thread(
- struct perf_evsel *counter,
- int nthreads, int ncpus,
- int *ret)
-{
- int cpu, thread, i = 0;
- double uval;
- struct perf_aggr_thread_value *buf;
-
- buf = calloc(nthreads, sizeof(struct perf_aggr_thread_value));
- if (!buf)
- return NULL;
-
- for (thread = 0; thread < nthreads; thread++) {
- u64 ena = 0, run = 0, val = 0;
-
- for (cpu = 0; cpu < ncpus; cpu++) {
- val += perf_counts(counter->counts, cpu, thread)->val;
- ena += perf_counts(counter->counts, cpu, thread)->ena;
- run += perf_counts(counter->counts, cpu, thread)->run;
- }
-
- uval = val * counter->scale;
-
- /*
- * Skip value 0 when enabling --per-thread globally,
- * otherwise too many 0 output.
- */
- if (uval == 0.0 && target__has_per_thread(&target))
- continue;
-
- buf[i].counter = counter;
- buf[i].id = thread;
- buf[i].uval = uval;
- buf[i].val = val;
- buf[i].run = run;
- buf[i].ena = ena;
- i++;
- }
-
- qsort(buf, i, sizeof(struct perf_aggr_thread_value), cmp_val);
-
- if (ret)
- *ret = i;
-
- return buf;
-}
-
-static void print_aggr_thread(struct perf_evsel *counter, char *prefix)
-{
- FILE *output = stat_config.output;
- int nthreads = thread_map__nr(counter->threads);
- int ncpus = cpu_map__nr(counter->cpus);
- int thread, sorted_threads, id;
- struct perf_aggr_thread_value *buf;
-
- buf = sort_aggr_thread(counter, nthreads, ncpus, &sorted_threads);
- if (!buf) {
- perror("cannot sort aggr thread");
- return;
- }
-
- for (thread = 0; thread < sorted_threads; thread++) {
- if (prefix)
- fprintf(output, "%s", prefix);
-
- id = buf[thread].id;
- if (stat_config.stats)
- printout(id, 0, buf[thread].counter, buf[thread].uval,
- prefix, buf[thread].run, buf[thread].ena, 1.0,
- &stat_config.stats[id]);
- else
- printout(id, 0, buf[thread].counter, buf[thread].uval,
- prefix, buf[thread].run, buf[thread].ena, 1.0,
- &rt_stat);
- fputc('\n', output);
- }
-
- free(buf);
-}
-
-struct caggr_data {
- double avg, avg_enabled, avg_running;
-};
-
-static void counter_aggr_cb(struct perf_evsel *counter, void *data,
- bool first __maybe_unused)
-{
- struct caggr_data *cd = data;
- struct perf_stat_evsel *ps = counter->stats;
-
- cd->avg += avg_stats(&ps->res_stats[0]);
- cd->avg_enabled += avg_stats(&ps->res_stats[1]);
- cd->avg_running += avg_stats(&ps->res_stats[2]);
-}
-
-/*
- * Print out the results of a single counter:
- * aggregated counts in system-wide mode
- */
-static void print_counter_aggr(struct perf_evsel *counter, char *prefix)
-{
- FILE *output = stat_config.output;
- double uval;
- struct caggr_data cd = { .avg = 0.0 };
-
- if (!collect_data(counter, counter_aggr_cb, &cd))
- return;
-
- if (prefix && !metric_only)
- fprintf(output, "%s", prefix);
-
- uval = cd.avg * counter->scale;
- printout(-1, 0, counter, uval, prefix, cd.avg_running, cd.avg_enabled,
- cd.avg, &rt_stat);
- if (!metric_only)
- fprintf(output, "\n");
-}
-
-static void counter_cb(struct perf_evsel *counter, void *data,
- bool first __maybe_unused)
-{
- struct aggr_data *ad = data;
-
- ad->val += perf_counts(counter->counts, ad->cpu, 0)->val;
- ad->ena += perf_counts(counter->counts, ad->cpu, 0)->ena;
- ad->run += perf_counts(counter->counts, ad->cpu, 0)->run;
-}
-
-/*
- * Print out the results of a single counter:
- * does not use aggregated count in system-wide
- */
-static void print_counter(struct perf_evsel *counter, char *prefix)
-{
- FILE *output = stat_config.output;
- u64 ena, run, val;
- double uval;
- int cpu;
-
- for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
- struct aggr_data ad = { .cpu = cpu };
-
- if (!collect_data(counter, counter_cb, &ad))
- return;
- val = ad.val;
- ena = ad.ena;
- run = ad.run;
-
- if (prefix)
- fprintf(output, "%s", prefix);
-
- uval = val * counter->scale;
- printout(cpu, 0, counter, uval, prefix, run, ena, 1.0,
- &rt_stat);
-
- fputc('\n', output);
- }
-}
-
-static void print_no_aggr_metric(char *prefix)
-{
- int cpu;
- int nrcpus = 0;
- struct perf_evsel *counter;
- u64 ena, run, val;
- double uval;
-
- nrcpus = evsel_list->cpus->nr;
- for (cpu = 0; cpu < nrcpus; cpu++) {
- bool first = true;
-
- if (prefix)
- fputs(prefix, stat_config.output);
- evlist__for_each_entry(evsel_list, counter) {
- if (is_duration_time(counter))
- continue;
- if (first) {
- aggr_printout(counter, cpu, 0);
- first = false;
- }
- val = perf_counts(counter->counts, cpu, 0)->val;
- ena = perf_counts(counter->counts, cpu, 0)->ena;
- run = perf_counts(counter->counts, cpu, 0)->run;
-
- uval = val * counter->scale;
- printout(cpu, 0, counter, uval, prefix, run, ena, 1.0,
- &rt_stat);
- }
- fputc('\n', stat_config.output);
- }
-}
-
-static int aggr_header_lens[] = {
- [AGGR_CORE] = 18,
- [AGGR_SOCKET] = 12,
- [AGGR_NONE] = 6,
- [AGGR_THREAD] = 24,
- [AGGR_GLOBAL] = 0,
-};
-
-static const char *aggr_header_csv[] = {
- [AGGR_CORE] = "core,cpus,",
- [AGGR_SOCKET] = "socket,cpus",
- [AGGR_NONE] = "cpu,",
- [AGGR_THREAD] = "comm-pid,",
- [AGGR_GLOBAL] = ""
-};
-
-static void print_metric_headers(const char *prefix, bool no_indent)
-{
- struct perf_stat_output_ctx out;
- struct perf_evsel *counter;
- struct outstate os = {
- .fh = stat_config.output
- };
-
- if (prefix)
- fprintf(stat_config.output, "%s", prefix);
-
- if (!csv_output && !no_indent)
- fprintf(stat_config.output, "%*s",
- aggr_header_lens[stat_config.aggr_mode], "");
- if (csv_output) {
- if (stat_config.interval)
- fputs("time,", stat_config.output);
- fputs(aggr_header_csv[stat_config.aggr_mode],
- stat_config.output);
- }
-
- /* Print metrics headers only */
- evlist__for_each_entry(evsel_list, counter) {
- if (is_duration_time(counter))
- continue;
- os.evsel = counter;
- out.ctx = &os;
- out.print_metric = print_metric_header;
- out.new_line = new_line_metric;
- out.force_header = true;
- os.evsel = counter;
- perf_stat__print_shadow_stats(counter, 0,
- 0,
- &out,
- &metric_events,
- &rt_stat);
- }
- fputc('\n', stat_config.output);
-}
-
-static void print_interval(char *prefix, struct timespec *ts)
-{
- FILE *output = stat_config.output;
- static int num_print_interval;
-
- if (interval_clear)
- puts(CONSOLE_CLEAR);
-
- sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep);
-
- if ((num_print_interval == 0 && !csv_output) || interval_clear) {
- switch (stat_config.aggr_mode) {
- case AGGR_SOCKET:
- fprintf(output, "# time socket cpus");
- if (!metric_only)
- fprintf(output, " counts %*s events\n", unit_width, "unit");
- break;
- case AGGR_CORE:
- fprintf(output, "# time core cpus");
- if (!metric_only)
- fprintf(output, " counts %*s events\n", unit_width, "unit");
- break;
- case AGGR_NONE:
- fprintf(output, "# time CPU ");
- if (!metric_only)
- fprintf(output, " counts %*s events\n", unit_width, "unit");
- break;
- case AGGR_THREAD:
- fprintf(output, "# time comm-pid");
- if (!metric_only)
- fprintf(output, " counts %*s events\n", unit_width, "unit");
- break;
- case AGGR_GLOBAL:
- default:
- fprintf(output, "# time");
- if (!metric_only)
- fprintf(output, " counts %*s events\n", unit_width, "unit");
- case AGGR_UNSET:
- break;
- }
- }
-
- if ((num_print_interval == 0 || interval_clear) && metric_only)
- print_metric_headers(" ", true);
- if (++num_print_interval == 25)
- num_print_interval = 0;
-}
-
-static void print_header(int argc, const char **argv)
-{
- FILE *output = stat_config.output;
- int i;
-
- fflush(stdout);
-
- if (!csv_output) {
- fprintf(output, "\n");
- fprintf(output, " Performance counter stats for ");
- 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 (run_count > 1)
- fprintf(output, " (%d runs)", run_count);
- fprintf(output, ":\n\n");
- }
-}
-
-static int get_precision(double num)
-{
- if (num > 1)
- return 0;
-
- return lround(ceil(-log10(num)));
-}
-
-static void print_table(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 < run_count; idx++) {
- double run = (double) 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(void)
-{
- double avg = avg_stats(&walltime_nsecs_stats) / NSEC_PER_SEC;
- FILE *output = stat_config.output;
- int n;
-
- if (!null_run)
- fprintf(output, "\n");
-
- if (run_count == 1) {
- fprintf(output, " %17.9f seconds time elapsed", avg);
-
- if (ru_display) {
- double ru_utime = timeval2double(&ru_data.ru_utime);
- double ru_stime = timeval2double(&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(&walltime_nsecs_stats) / NSEC_PER_SEC;
- /*
- * Display at most 2 more significant
- * digits than the stddev inaccuracy.
- */
- int precision = get_precision(sd) + 2;
-
- if (walltime_run_table)
- print_table(output, precision, avg);
-
- fprintf(output, " %17.*f +- %.*f seconds time elapsed",
- precision, avg, precision, sd);
-
- print_noise_pct(sd, avg);
- }
- fprintf(output, "\n\n");
-
- if (print_free_counters_hint &&
- sysctl__read_int("kernel/nmi_watchdog", &n) >= 0 &&
- n > 0)
- 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 (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_counters(struct timespec *ts, int argc, const char **argv)
{
- int interval = stat_config.interval;
- struct perf_evsel *counter;
- char buf[64], *prefix = NULL;
-
/* Do not print anything if we record to the pipe. */
if (STAT_RECORD && perf_stat.data.is_pipe)
return;
- if (interval)
- print_interval(prefix = buf, ts);
- else
- print_header(argc, argv);
-
- if (metric_only) {
- static int num_print_iv;
-
- if (num_print_iv == 0 && !interval)
- print_metric_headers(prefix, false);
- if (num_print_iv++ == 25)
- num_print_iv = 0;
- if (stat_config.aggr_mode == AGGR_GLOBAL && prefix)
- fprintf(stat_config.output, "%s", prefix);
- }
-
- switch (stat_config.aggr_mode) {
- case AGGR_CORE:
- case AGGR_SOCKET:
- print_aggr(prefix);
- break;
- case AGGR_THREAD:
- evlist__for_each_entry(evsel_list, counter) {
- if (is_duration_time(counter))
- continue;
- print_aggr_thread(counter, prefix);
- }
- break;
- case AGGR_GLOBAL:
- evlist__for_each_entry(evsel_list, counter) {
- if (is_duration_time(counter))
- continue;
- print_counter_aggr(counter, prefix);
- }
- if (metric_only)
- fputc('\n', stat_config.output);
- break;
- case AGGR_NONE:
- if (metric_only)
- print_no_aggr_metric(prefix);
- else {
- evlist__for_each_entry(evsel_list, counter) {
- if (is_duration_time(counter))
- continue;
- print_counter(counter, prefix);
- }
- }
- break;
- case AGGR_UNSET:
- default:
- break;
- }
-
- if (!interval && !csv_output)
- print_footer();
-
- fflush(stat_config.output);
+ perf_evlist__print_counters(evsel_list, &stat_config, &target,
+ ts, argc, argv);
}
static volatile int signr = -1;
@@ -1950,7 +700,7 @@ static int enable_metric_only(const struct option *opt __maybe_unused,
const char *s __maybe_unused, int unset)
{
force_metric_only = true;
- metric_only = !unset;
+ stat_config.metric_only = !unset;
return 0;
}
@@ -1958,7 +708,7 @@ static int parse_metric_groups(const struct option *opt,
const char *str,
int unset __maybe_unused)
{
- return metricgroup__parse_groups(opt, str, &metric_events);
+ return metricgroup__parse_groups(opt, str, &stat_config.metric_events);
}
static const struct option stat_options[] = {
@@ -1969,7 +719,7 @@ static const struct option stat_options[] = {
parse_events_option),
OPT_CALLBACK(0, "filter", &evsel_list, "filter",
"event filter", parse_filter),
- OPT_BOOLEAN('i', "no-inherit", &no_inherit,
+ OPT_BOOLEAN('i', "no-inherit", &stat_config.no_inherit,
"child tasks do not inherit counters"),
OPT_STRING('p', "pid", &target.pid, "pid",
"stat events on existing process id"),
@@ -1982,11 +732,11 @@ static const struct option stat_options[] = {
OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
- OPT_INTEGER('r', "repeat", &run_count,
+ OPT_INTEGER('r', "repeat", &stat_config.run_count,
"repeat command and print average + stddev (max: 100, forever: 0)"),
- OPT_BOOLEAN(0, "table", &walltime_run_table,
+ OPT_BOOLEAN(0, "table", &stat_config.walltime_run_table,
"display details about each run (only with -r option)"),
- OPT_BOOLEAN('n', "null", &null_run,
+ OPT_BOOLEAN('n', "null", &stat_config.null_run,
"null run - dont start any counters"),
OPT_INCR('d', "detailed", &detailed_run,
"detailed run - start a lot of events"),
@@ -1999,8 +749,8 @@ static const struct option stat_options[] = {
"list of cpus to monitor in system-wide"),
OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode,
"disable CPU count aggregation", AGGR_NONE),
- OPT_BOOLEAN(0, "no-merge", &no_merge, "Do not merge identical named events"),
- OPT_STRING('x', "field-separator", &csv_sep, "separator",
+ OPT_BOOLEAN(0, "no-merge", &stat_config.no_merge, "Do not merge identical named events"),
+ OPT_STRING('x', "field-separator", &stat_config.csv_sep, "separator",
"print counts with custom separator"),
OPT_CALLBACK('G', "cgroup", &evsel_list, "name",
"monitor event in cgroup name only", parse_cgroups),
@@ -2017,7 +767,7 @@ static const struct option stat_options[] = {
"(overhead is possible for values <= 100ms)"),
OPT_INTEGER(0, "interval-count", &stat_config.times,
"print counts for fixed number of times"),
- OPT_BOOLEAN(0, "interval-clear", &interval_clear,
+ OPT_BOOLEAN(0, "interval-clear", &stat_config.interval_clear,
"clear screen in between new interval"),
OPT_UINTEGER(0, "timeout", &stat_config.timeout,
"stop workload and print counts after a timeout period in ms (>= 10ms)"),
@@ -2027,9 +777,9 @@ static const struct option stat_options[] = {
"aggregate counts per physical processor core", AGGR_CORE),
OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode,
"aggregate counts per thread", AGGR_THREAD),
- OPT_UINTEGER('D', "delay", &initial_delay,
+ OPT_UINTEGER('D', "delay", &stat_config.initial_delay,
"ms to wait before starting measurement after program start"),
- OPT_CALLBACK_NOOPT(0, "metric-only", &metric_only, NULL,
+ OPT_CALLBACK_NOOPT(0, "metric-only", &stat_config.metric_only, NULL,
"Only print computed metrics. No raw values", enable_metric_only),
OPT_BOOLEAN(0, "topdown", &topdown_run,
"measure topdown level 1 statistics"),
@@ -2041,12 +791,14 @@ 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);
}
@@ -2063,9 +815,8 @@ 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;
@@ -2074,20 +825,22 @@ 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)
@@ -2096,18 +849,18 @@ 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:
@@ -2123,16 +876,16 @@ 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)
@@ -2190,12 +943,14 @@ 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);
}
@@ -2206,18 +961,18 @@ 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:
@@ -2401,7 +1156,7 @@ static int add_default_attributes(void)
struct parse_events_error errinfo;
/* Set attrs if no event is selected and !null_run: */
- if (null_run)
+ if (stat_config.null_run)
return 0;
if (transaction_run) {
@@ -2414,7 +1169,7 @@ static int add_default_attributes(void)
struct option opt = { .value = &evsel_list };
return metricgroup__parse_groups(&opt, "transaction",
- &metric_events);
+ &stat_config.metric_events);
}
if (pmu_have_event("cpu", "cycles-ct") &&
@@ -2452,7 +1207,7 @@ static int add_default_attributes(void)
if (pmu_have_event("msr", "aperf") &&
pmu_have_event("msr", "smi")) {
if (!force_metric_only)
- metric_only = true;
+ stat_config.metric_only = true;
err = parse_events(evsel_list, smi_cost_attrs, &errinfo);
} else {
fprintf(stderr, "To measure SMI cost, it needs "
@@ -2483,7 +1238,7 @@ static int add_default_attributes(void)
}
if (!force_metric_only)
- metric_only = true;
+ stat_config.metric_only = true;
if (topdown_filter_events(topdown_attrs, &str,
arch_topdown_check_group(&warn)) < 0) {
pr_err("Out of memory\n");
@@ -2580,7 +1335,7 @@ static int __cmd_record(int argc, const char **argv)
if (output_name)
data->file.path = output_name;
- if (run_count != 1 || forever) {
+ if (stat_config.run_count != 1 || forever) {
pr_err("Cannot use -r option with perf stat record.\n");
return -1;
}
@@ -2599,9 +1354,8 @@ static int __cmd_record(int argc, const char **argv)
return argc;
}
-static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
- union perf_event *event,
- struct perf_session *session)
+static int process_stat_round_event(struct perf_session *session,
+ union perf_event *event)
{
struct stat_round_event *stat_round = &event->stat_round;
struct perf_evsel *counter;
@@ -2626,10 +1380,10 @@ static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
}
static
-int process_stat_config_event(struct perf_tool *tool,
- union perf_event *event,
- struct perf_session *session __maybe_unused)
+int process_stat_config_event(struct perf_session *session,
+ union perf_event *event)
{
+ struct perf_tool *tool = session->tool;
struct perf_stat *st = container_of(tool, struct perf_stat, tool);
perf_event__read_stat_config(&stat_config, &event->stat_config);
@@ -2669,10 +1423,10 @@ static int set_maps(struct perf_stat *st)
}
static
-int process_thread_map_event(struct perf_tool *tool,
- union perf_event *event,
- struct perf_session *session __maybe_unused)
+int process_thread_map_event(struct perf_session *session,
+ union perf_event *event)
{
+ struct perf_tool *tool = session->tool;
struct perf_stat *st = container_of(tool, struct perf_stat, tool);
if (st->threads) {
@@ -2688,10 +1442,10 @@ int process_thread_map_event(struct perf_tool *tool,
}
static
-int process_cpu_map_event(struct perf_tool *tool,
- union perf_event *event,
- struct perf_session *session __maybe_unused)
+int process_cpu_map_event(struct perf_session *session,
+ union perf_event *event)
{
+ struct perf_tool *tool = session->tool;
struct perf_stat *st = container_of(tool, struct perf_stat, tool);
struct cpu_map *cpus;
@@ -2853,12 +1607,12 @@ int cmd_stat(int argc, const char **argv)
perf_stat__collect_metric_expr(evsel_list);
perf_stat__init_shadow_stats();
- if (csv_sep) {
- csv_output = true;
- if (!strcmp(csv_sep, "\\t"))
- csv_sep = "\t";
+ if (stat_config.csv_sep) {
+ stat_config.csv_output = true;
+ if (!strcmp(stat_config.csv_sep, "\\t"))
+ stat_config.csv_sep = "\t";
} else
- csv_sep = DEFAULT_SEPARATOR;
+ stat_config.csv_sep = DEFAULT_SEPARATOR;
if (argc && !strncmp(argv[0], "rec", 3)) {
argc = __cmd_record(argc, argv);
@@ -2883,17 +1637,17 @@ int cmd_stat(int argc, const char **argv)
goto out;
}
- if (metric_only && stat_config.aggr_mode == AGGR_THREAD) {
+ if (stat_config.metric_only && stat_config.aggr_mode == AGGR_THREAD) {
fprintf(stderr, "--metric-only is not supported with --per-thread\n");
goto out;
}
- if (metric_only && run_count > 1) {
+ if (stat_config.metric_only && stat_config.run_count > 1) {
fprintf(stderr, "--metric-only is not supported with -r\n");
goto out;
}
- if (walltime_run_table && run_count <= 1) {
+ if (stat_config.walltime_run_table && stat_config.run_count <= 1) {
fprintf(stderr, "--table is only supported with -r\n");
parse_options_usage(stat_usage, stat_options, "r", 1);
parse_options_usage(NULL, stat_options, "table", 0);
@@ -2931,7 +1685,7 @@ int cmd_stat(int argc, const char **argv)
/*
* let the spreadsheet do the pretty-printing
*/
- if (csv_output) {
+ if (stat_config.csv_output) {
/* User explicitly passed -B? */
if (big_num_opt == 1) {
fprintf(stderr, "-B option not supported with -x\n");
@@ -2939,9 +1693,9 @@ int cmd_stat(int argc, const char **argv)
parse_options_usage(NULL, stat_options, "x", 1);
goto out;
} else /* Nope, so disable big number formatting */
- big_num = false;
+ stat_config.big_num = false;
} else if (big_num_opt == 0) /* User passed --no-big-num */
- big_num = false;
+ stat_config.big_num = false;
setup_system_wide(argc);
@@ -2949,21 +1703,21 @@ int cmd_stat(int argc, const char **argv)
* Display user/system times only for single
* run and when there's specified tracee.
*/
- if ((run_count == 1) && target__none(&target))
- ru_display = true;
+ if ((stat_config.run_count == 1) && target__none(&target))
+ stat_config.ru_display = true;
- if (run_count < 0) {
+ if (stat_config.run_count < 0) {
pr_err("Run count must be a positive number\n");
parse_options_usage(stat_usage, stat_options, "r", 1);
goto out;
- } else if (run_count == 0) {
+ } else if (stat_config.run_count == 0) {
forever = true;
- run_count = 1;
+ stat_config.run_count = 1;
}
- if (walltime_run_table) {
- walltime_run = zalloc(run_count * sizeof(walltime_run[0]));
- if (!walltime_run) {
+ if (stat_config.walltime_run_table) {
+ stat_config.walltime_run = zalloc(stat_config.run_count * sizeof(stat_config.walltime_run[0]));
+ if (!stat_config.walltime_run) {
pr_err("failed to setup -r option");
goto out;
}
@@ -3066,6 +1820,17 @@ int cmd_stat(int argc, const char **argv)
goto out;
/*
+ * Set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless
+ * while avoiding that older tools show confusing messages.
+ *
+ * However for pipe sessions we need to keep it zero,
+ * because script's perf_evsel__check_attr is triggered
+ * by attr->sample_type != 0, and we can't run it on
+ * stat sessions.
+ */
+ stat_config.identifier = !(STAT_RECORD && perf_stat.data.is_pipe);
+
+ /*
* We dont want to block the signals - that would cause
* child tasks to inherit that and Ctrl-C would not work.
* What we want is for Ctrl-C to work in the exec()-ed
@@ -3079,8 +1844,8 @@ int cmd_stat(int argc, const char **argv)
signal(SIGABRT, skip_signal);
status = 0;
- for (run_idx = 0; forever || run_idx < run_count; run_idx++) {
- if (run_count != 1 && verbose > 0)
+ for (run_idx = 0; forever || run_idx < stat_config.run_count; run_idx++) {
+ if (stat_config.run_count != 1 && verbose > 0)
fprintf(output, "[ perf stat: executing run #%d ... ]\n",
run_idx + 1);
@@ -3132,7 +1897,7 @@ int cmd_stat(int argc, const char **argv)
perf_stat__exit_aggr_mode();
perf_evlist__free_stats(evsel_list);
out:
- free(walltime_run);
+ free(stat_config.walltime_run);
if (smi_cost && smi_reset)
sysfs__write_int(FREEZE_ON_SMI_PATH, 0);