#include "util/tool.h"
#include "util/group.h"
#include "util/string2.h"
+#include "util/metricgroup.h"
#include "asm/bug.h"
#include <linux/time64.h>
static struct perf_evlist *evsel_list;
+static struct rblist metric_events;
+
static struct target target = {
.uid = UINT_MAX,
};
struct perf_stat {
bool record;
- struct perf_data_file file;
+ struct perf_data data;
struct perf_session *session;
u64 bytes_written;
struct perf_tool tool;
.scale = 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)
{
* by attr->sample_type != 0, and we can't run it on
* stat sessions.
*/
- if (!(STAT_RECORD && perf_stat.file.is_pipe))
+ if (!(STAT_RECORD && perf_stat.data.is_pipe))
attr->sample_type = PERF_SAMPLE_IDENTIFIER;
/*
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
- if (perf_data_file__write(&perf_stat.file, event, event->header.size) < 0) {
+ if (perf_data__write(&perf_stat.data, event, event->header.size) < 0) {
pr_err("failed to write perf data, error: %m\n");
return -1;
}
pr_err("failed to write stat round event\n");
}
+ init_stats(&walltime_nsecs_stats);
+ update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000);
print_counters(&rs, 0, NULL);
}
workload_exec_errno = info->si_value.sival_int;
}
-static bool has_unit(struct perf_evsel *counter)
-{
- return counter->unit && *counter->unit;
-}
-
-static bool has_scale(struct perf_evsel *counter)
-{
- return counter->scale != 1;
-}
-
static int perf_stat_synthesize_config(bool is_pipe)
{
- struct perf_evsel *counter;
int err;
if (is_pipe) {
}
}
- /*
- * Synthesize other events stuff not carried within
- * attr event - unit, scale, name
- */
- evlist__for_each_entry(evsel_list, counter) {
- if (!counter->supported)
- continue;
-
- /*
- * Synthesize unit and scale only if it's defined.
- */
- if (has_unit(counter)) {
- err = perf_event__synthesize_event_update_unit(NULL, counter, process_synthesized_event);
- if (err < 0) {
- pr_err("Couldn't synthesize evsel unit.\n");
- return err;
- }
- }
-
- if (has_scale(counter)) {
- err = perf_event__synthesize_event_update_scale(NULL, counter, process_synthesized_event);
- if (err < 0) {
- pr_err("Couldn't synthesize evsel scale.\n");
- return err;
- }
- }
-
- if (counter->own_cpus) {
- err = perf_event__synthesize_event_update_cpus(NULL, counter, process_synthesized_event);
- if (err < 0) {
- pr_err("Couldn't synthesize evsel scale.\n");
- return err;
- }
- }
-
- /*
- * Name is needed only for pipe output,
- * perf.data carries event names.
- */
- if (is_pipe) {
- err = perf_event__synthesize_event_update_name(NULL, counter, process_synthesized_event);
- if (err < 0) {
- pr_err("Couldn't synthesize evsel name.\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,
return STAT_RECORD || counter->attr.read_format & PERF_FORMAT_ID;
}
+static struct perf_evsel *perf_evsel__reset_weak_group(struct perf_evsel *evsel)
+{
+ struct perf_evsel *c2, *leader;
+ bool is_open = true;
+
+ leader = evsel->leader;
+ pr_debug("Weak group for %s/%d failed\n",
+ leader->name, leader->nr_members);
+
+ /*
+ * for_each_group_member doesn't work here because it doesn't
+ * include the first entry.
+ */
+ evlist__for_each_entry(evsel_list, c2) {
+ if (c2 == evsel)
+ is_open = false;
+ if (c2->leader == leader) {
+ if (is_open)
+ perf_evsel__close(c2);
+ c2->leader = c2;
+ c2->nr_members = 0;
+ }
+ }
+ return leader;
+}
+
static int __run_perf_stat(int argc, const char **argv)
{
int interval = stat_config.interval;
size_t l;
int status = 0;
const bool forks = (argc > 0);
- bool is_pipe = STAT_RECORD ? perf_stat.file.is_pipe : false;
+ bool is_pipe = STAT_RECORD ? perf_stat.data.is_pipe : false;
struct perf_evsel_config_term *err_term;
if (interval) {
evlist__for_each_entry(evsel_list, counter) {
try_again:
if (create_perf_stat_counter(counter) < 0) {
+
+ /* Weak group failed. Reset the group. */
+ if ((errno == EINVAL || errno == EBADF) &&
+ counter->leader != counter &&
+ counter->weak_group) {
+ counter = perf_evsel__reset_weak_group(counter);
+ goto try_again;
+ }
+
/*
* PPC returns ENXIO for HW counters until 2.6.37
* (behavior changed with commit b0a873e).
}
if (STAT_RECORD) {
- int err, fd = perf_data_file__fd(&perf_stat.file);
+ int err, fd = perf_data__fd(&perf_stat.data);
if (is_pipe) {
- err = perf_header__write_pipe(perf_data_file__fd(&perf_stat.file));
+ err = perf_header__write_pipe(perf_data__fd(&perf_stat.data));
} else {
err = perf_session__write_header(perf_stat.session, evsel_list,
fd, false);
if (run_count == 1)
return;
- ps = evsel->priv;
+ ps = evsel->stats;
print_noise_pct(stddev_stats(&ps->res_stats[0]), avg);
}
perf_stat__print_shadow_stats(counter, uval,
first_shadow_cpu(counter, id),
- &out);
+ &out, &metric_events);
if (!csv_output && !metric_only) {
print_noise(counter, noise);
print_running(run, ena);
continue;
val += perf_counts(counter->counts, cpu, 0)->val;
}
- val = val * counter->scale;
- perf_stat__update_shadow_stats(counter, &val,
+ perf_stat__update_shadow_stats(counter, val,
first_shadow_cpu(counter, id));
}
}
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))
bool first __maybe_unused)
{
struct caggr_data *cd = data;
- struct perf_stat_evsel *ps = counter->priv;
+ struct perf_stat_evsel *ps = counter->stats;
cd->avg += avg_stats(&ps->res_stats[0]);
cd->avg_enabled += avg_stats(&ps->res_stats[1]);
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;
/* 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;
os.evsel = counter;
perf_stat__print_shadow_stats(counter, 0,
0,
- &out);
+ &out,
+ &metric_events);
}
fputc('\n', stat_config.output);
}
char buf[64], *prefix = NULL;
/* Do not print anything if we record to the pipe. */
- if (STAT_RECORD && perf_stat.file.is_pipe)
+ if (STAT_RECORD && perf_stat.data.is_pipe)
return;
if (interval)
print_aggr(prefix);
break;
case AGGR_THREAD:
- evlist__for_each_entry(evsel_list, counter)
+ 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)
+ 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;
if (metric_only)
print_no_aggr_metric(prefix);
else {
- evlist__for_each_entry(evsel_list, counter)
+ evlist__for_each_entry(evsel_list, counter) {
+ if (is_duration_time(counter))
+ continue;
print_counter(counter, prefix);
+ }
}
break;
case AGGR_UNSET:
return 0;
}
+static int parse_metric_groups(const struct option *opt,
+ const char *str,
+ int unset __maybe_unused)
+{
+ return metricgroup__parse_groups(opt, str, &metric_events);
+}
+
static const struct option stat_options[] = {
OPT_BOOLEAN('T', "transaction", &transaction_run,
"hardware transaction statistics"),
"measure topdown level 1 statistics"),
OPT_BOOLEAN(0, "smi-cost", &smi_cost,
"measure SMI cost"),
+ OPT_CALLBACK('M', "metrics", &evsel_list, "metric/metric group list",
+ "monitor specified metrics or metric groups (separated by ,)",
+ parse_metric_groups),
OPT_END()
};
static int __cmd_record(int argc, const char **argv)
{
struct perf_session *session;
- struct perf_data_file *file = &perf_stat.file;
+ struct perf_data *data = &perf_stat.data;
argc = parse_options(argc, argv, stat_options, stat_record_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (output_name)
- file->path = output_name;
+ data->file.path = output_name;
if (run_count != 1 || forever) {
pr_err("Cannot use -r option with perf stat record.\n");
return -1;
}
- session = perf_session__new(file, false, NULL);
+ session = perf_session__new(data, false, NULL);
if (session == NULL) {
pr_err("Perf session creation failed.\n");
return -1;
if (st->aggr_mode != AGGR_UNSET)
stat_config.aggr_mode = st->aggr_mode;
- if (perf_stat.file.is_pipe)
+ if (perf_stat.data.is_pipe)
perf_stat_init_aggr_mode();
else
perf_stat_init_aggr_mode_file(st);
input_name = "perf.data";
}
- perf_stat.file.path = input_name;
- perf_stat.file.mode = PERF_DATA_MODE_READ;
+ perf_stat.data.file.path = input_name;
+ perf_stat.data.mode = PERF_DATA_MODE_READ;
- session = perf_session__new(&perf_stat.file, false, &perf_stat.tool);
+ session = perf_session__new(&perf_stat.data, false, &perf_stat.tool);
if (session == NULL)
return -1;
* records, but the need to suppress the kptr_restrict messages in older
* tools remain -acme
*/
- int fd = perf_data_file__fd(&perf_stat.file);
+ int fd = perf_data__fd(&perf_stat.data);
int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat,
process_synthesized_event,
&perf_stat.session->machines.host);
pr_err("failed to write stat round event\n");
}
- if (!perf_stat.file.is_pipe) {
+ if (!perf_stat.data.is_pipe) {
perf_stat.session->header.data_size += perf_stat.bytes_written;
perf_session__write_header(perf_stat.session, evsel_list, fd, true);
}
projects / linux.git / blobdiff