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Diffstat (limited to 'tools/perf/util/metricgroup.c')
-rw-r--r--tools/perf/util/metricgroup.c145
1 files changed, 94 insertions, 51 deletions
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index c93bcaf6d55d..4c98ac29ee13 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -22,6 +22,7 @@
#include <linux/list_sort.h>
#include <linux/string.h>
#include <linux/zalloc.h>
+#include <perf/cpumap.h>
#include <subcmd/parse-options.h>
#include <api/fs/fs.h>
#include "util.h"
@@ -108,17 +109,6 @@ void metricgroup__rblist_exit(struct rblist *metric_events)
rblist__exit(metric_events);
}
-/*
- * A node in the list of referenced metrics. metric_expr
- * is held as a convenience to avoid a search through the
- * metric list.
- */
-struct metric_ref_node {
- const char *metric_name;
- const char *metric_expr;
- struct list_head list;
-};
-
/**
* The metric under construction. The data held here will be placed in a
* metric_expr.
@@ -189,10 +179,24 @@ static bool metricgroup__has_constraint(const struct pmu_event *pe)
return false;
}
+static void metric__free(struct metric *m)
+{
+ if (!m)
+ return;
+
+ free(m->metric_refs);
+ expr__ctx_free(m->pctx);
+ free((char *)m->modifier);
+ evlist__delete(m->evlist);
+ free(m);
+}
+
static struct metric *metric__new(const struct pmu_event *pe,
const char *modifier,
bool metric_no_group,
- int runtime)
+ int runtime,
+ const char *user_requested_cpu_list,
+ bool system_wide)
{
struct metric *m;
@@ -201,35 +205,34 @@ static struct metric *metric__new(const struct pmu_event *pe,
return NULL;
m->pctx = expr__ctx_new();
- if (!m->pctx) {
- free(m);
- return NULL;
- }
+ if (!m->pctx)
+ goto out_err;
m->metric_name = pe->metric_name;
- m->modifier = modifier ? strdup(modifier) : NULL;
- if (modifier && !m->modifier) {
- expr__ctx_free(m->pctx);
- free(m);
- return NULL;
+ m->modifier = NULL;
+ if (modifier) {
+ m->modifier = strdup(modifier);
+ if (!m->modifier)
+ goto out_err;
}
m->metric_expr = pe->metric_expr;
m->metric_unit = pe->unit;
- m->pctx->runtime = runtime;
+ m->pctx->sctx.user_requested_cpu_list = NULL;
+ if (user_requested_cpu_list) {
+ m->pctx->sctx.user_requested_cpu_list = strdup(user_requested_cpu_list);
+ if (!m->pctx->sctx.user_requested_cpu_list)
+ goto out_err;
+ }
+ m->pctx->sctx.runtime = runtime;
+ m->pctx->sctx.system_wide = system_wide;
m->has_constraint = metric_no_group || metricgroup__has_constraint(pe);
m->metric_refs = NULL;
m->evlist = NULL;
return m;
-}
-
-static void metric__free(struct metric *m)
-{
- free(m->metric_refs);
- expr__ctx_free(m->pctx);
- free((char *)m->modifier);
- evlist__delete(m->evlist);
- free(m);
+out_err:
+ metric__free(m);
+ return NULL;
}
static bool contains_metric_id(struct evsel **metric_events, int num_events,
@@ -874,6 +877,8 @@ struct metricgroup_add_iter_data {
int *ret;
bool *has_match;
bool metric_no_group;
+ const char *user_requested_cpu_list;
+ bool system_wide;
struct metric *root_metric;
const struct visited_metric *visited;
const struct pmu_events_table *table;
@@ -887,6 +892,8 @@ static int add_metric(struct list_head *metric_list,
const struct pmu_event *pe,
const char *modifier,
bool metric_no_group,
+ const char *user_requested_cpu_list,
+ bool system_wide,
struct metric *root_metric,
const struct visited_metric *visited,
const struct pmu_events_table *table);
@@ -899,6 +906,8 @@ static int add_metric(struct list_head *metric_list,
* @metric_no_group: Should events written to events be grouped "{}" or
* global. Grouping is the default but due to multiplexing the
* user may override.
+ * @user_requested_cpu_list: Command line specified CPUs to record on.
+ * @system_wide: Are events for all processes recorded.
* @root_metric: Metrics may reference other metrics to form a tree. In this
* case the root_metric holds all the IDs and a list of referenced
* metrics. When adding a root this argument is NULL.
@@ -910,6 +919,8 @@ static int add_metric(struct list_head *metric_list,
static int resolve_metric(struct list_head *metric_list,
const char *modifier,
bool metric_no_group,
+ const char *user_requested_cpu_list,
+ bool system_wide,
struct metric *root_metric,
const struct visited_metric *visited,
const struct pmu_events_table *table)
@@ -956,7 +967,8 @@ static int resolve_metric(struct list_head *metric_list,
*/
for (i = 0; i < pending_cnt; i++) {
ret = add_metric(metric_list, &pending[i].pe, modifier, metric_no_group,
- root_metric, visited, table);
+ user_requested_cpu_list, system_wide, root_metric, visited,
+ table);
if (ret)
break;
}
@@ -974,6 +986,8 @@ static int resolve_metric(struct list_head *metric_list,
* global. Grouping is the default but due to multiplexing the
* user may override.
* @runtime: A special argument for the parser only known at runtime.
+ * @user_requested_cpu_list: Command line specified CPUs to record on.
+ * @system_wide: Are events for all processes recorded.
* @root_metric: Metrics may reference other metrics to form a tree. In this
* case the root_metric holds all the IDs and a list of referenced
* metrics. When adding a root this argument is NULL.
@@ -987,6 +1001,8 @@ static int __add_metric(struct list_head *metric_list,
const char *modifier,
bool metric_no_group,
int runtime,
+ const char *user_requested_cpu_list,
+ bool system_wide,
struct metric *root_metric,
const struct visited_metric *visited,
const struct pmu_events_table *table)
@@ -1011,7 +1027,8 @@ static int __add_metric(struct list_head *metric_list,
* This metric is the root of a tree and may reference other
* metrics that are added recursively.
*/
- root_metric = metric__new(pe, modifier, metric_no_group, runtime);
+ root_metric = metric__new(pe, modifier, metric_no_group, runtime,
+ user_requested_cpu_list, system_wide);
if (!root_metric)
return -ENOMEM;
@@ -1060,8 +1077,9 @@ static int __add_metric(struct list_head *metric_list,
ret = -EINVAL;
} else {
/* Resolve referenced metrics. */
- ret = resolve_metric(metric_list, modifier, metric_no_group, root_metric,
- &visited_node, table);
+ ret = resolve_metric(metric_list, modifier, metric_no_group,
+ user_requested_cpu_list, system_wide,
+ root_metric, &visited_node, table);
}
if (ret) {
@@ -1109,6 +1127,8 @@ static int add_metric(struct list_head *metric_list,
const struct pmu_event *pe,
const char *modifier,
bool metric_no_group,
+ const char *user_requested_cpu_list,
+ bool system_wide,
struct metric *root_metric,
const struct visited_metric *visited,
const struct pmu_events_table *table)
@@ -1119,7 +1139,8 @@ static int add_metric(struct list_head *metric_list,
if (!strstr(pe->metric_expr, "?")) {
ret = __add_metric(metric_list, pe, modifier, metric_no_group, 0,
- root_metric, visited, table);
+ user_requested_cpu_list, system_wide, root_metric,
+ visited, table);
} else {
int j, count;
@@ -1132,7 +1153,8 @@ static int add_metric(struct list_head *metric_list,
for (j = 0; j < count && !ret; j++)
ret = __add_metric(metric_list, pe, modifier, metric_no_group, j,
- root_metric, visited, table);
+ user_requested_cpu_list, system_wide,
+ root_metric, visited, table);
}
return ret;
@@ -1149,6 +1171,7 @@ static int metricgroup__add_metric_sys_event_iter(const struct pmu_event *pe,
return 0;
ret = add_metric(d->metric_list, pe, d->modifier, d->metric_no_group,
+ d->user_requested_cpu_list, d->system_wide,
d->root_metric, d->visited, d->table);
if (ret)
goto out;
@@ -1191,7 +1214,9 @@ struct metricgroup__add_metric_data {
struct list_head *list;
const char *metric_name;
const char *modifier;
+ const char *user_requested_cpu_list;
bool metric_no_group;
+ bool system_wide;
bool has_match;
};
@@ -1208,8 +1233,8 @@ static int metricgroup__add_metric_callback(const struct pmu_event *pe,
data->has_match = true;
ret = add_metric(data->list, pe, data->modifier, data->metric_no_group,
- /*root_metric=*/NULL,
- /*visited_metrics=*/NULL, table);
+ data->user_requested_cpu_list, data->system_wide,
+ /*root_metric=*/NULL, /*visited_metrics=*/NULL, table);
}
return ret;
}
@@ -1223,12 +1248,16 @@ static int metricgroup__add_metric_callback(const struct pmu_event *pe,
* @metric_no_group: Should events written to events be grouped "{}" or
* global. Grouping is the default but due to multiplexing the
* user may override.
+ * @user_requested_cpu_list: Command line specified CPUs to record on.
+ * @system_wide: Are events for all processes recorded.
* @metric_list: The list that the metric or metric group are added to.
* @table: The table that is searched for metrics, most commonly the table for the
* architecture perf is running upon.
*/
static int metricgroup__add_metric(const char *metric_name, const char *modifier,
bool metric_no_group,
+ const char *user_requested_cpu_list,
+ bool system_wide,
struct list_head *metric_list,
const struct pmu_events_table *table)
{
@@ -1242,6 +1271,8 @@ static int metricgroup__add_metric(const char *metric_name, const char *modifier
.metric_name = metric_name,
.modifier = modifier,
.metric_no_group = metric_no_group,
+ .user_requested_cpu_list = user_requested_cpu_list,
+ .system_wide = system_wide,
.has_match = false,
};
/*
@@ -1263,6 +1294,8 @@ static int metricgroup__add_metric(const char *metric_name, const char *modifier
.metric_name = metric_name,
.modifier = modifier,
.metric_no_group = metric_no_group,
+ .user_requested_cpu_list = user_requested_cpu_list,
+ .system_wide = system_wide,
.has_match = &has_match,
.ret = &ret,
.table = table,
@@ -1293,12 +1326,15 @@ out:
* @metric_no_group: Should events written to events be grouped "{}" or
* global. Grouping is the default but due to multiplexing the
* user may override.
+ * @user_requested_cpu_list: Command line specified CPUs to record on.
+ * @system_wide: Are events for all processes recorded.
* @metric_list: The list that metrics are added to.
* @table: The table that is searched for metrics, most commonly the table for the
* architecture perf is running upon.
*/
static int metricgroup__add_metric_list(const char *list, bool metric_no_group,
- struct list_head *metric_list,
+ const char *user_requested_cpu_list,
+ bool system_wide, struct list_head *metric_list,
const struct pmu_events_table *table)
{
char *list_itr, *list_copy, *metric_name, *modifier;
@@ -1315,8 +1351,8 @@ static int metricgroup__add_metric_list(const char *list, bool metric_no_group,
*modifier++ = '\0';
ret = metricgroup__add_metric(metric_name, modifier,
- metric_no_group, metric_list,
- table);
+ metric_no_group, user_requested_cpu_list,
+ system_wide, metric_list, table);
if (ret == -EINVAL)
pr_err("Cannot find metric or group `%s'\n", metric_name);
@@ -1505,6 +1541,8 @@ err_out:
static int parse_groups(struct evlist *perf_evlist, const char *str,
bool metric_no_group,
bool metric_no_merge,
+ const char *user_requested_cpu_list,
+ bool system_wide,
struct perf_pmu *fake_pmu,
struct rblist *metric_events_list,
const struct pmu_events_table *table)
@@ -1518,7 +1556,8 @@ static int parse_groups(struct evlist *perf_evlist, const char *str,
if (metric_events_list->nr_entries == 0)
metricgroup__rblist_init(metric_events_list);
ret = metricgroup__add_metric_list(str, metric_no_group,
- &metric_list, table);
+ user_requested_cpu_list,
+ system_wide, &metric_list, table);
if (ret)
goto out;
@@ -1626,7 +1665,7 @@ static int parse_groups(struct evlist *perf_evlist, const char *str,
}
expr->metric_unit = m->metric_unit;
expr->metric_events = metric_events;
- expr->runtime = m->pctx->runtime;
+ expr->runtime = m->pctx->sctx.runtime;
list_add(&expr->nd, &me->head);
}
@@ -1646,20 +1685,22 @@ out:
return ret;
}
-int metricgroup__parse_groups(const struct option *opt,
+int metricgroup__parse_groups(struct evlist *perf_evlist,
const char *str,
bool metric_no_group,
bool metric_no_merge,
+ const char *user_requested_cpu_list,
+ bool system_wide,
struct rblist *metric_events)
{
- struct evlist *perf_evlist = *(struct evlist **)opt->value;
const struct pmu_events_table *table = pmu_events_table__find();
if (!table)
return -EINVAL;
- return parse_groups(perf_evlist, str, metric_no_group,
- metric_no_merge, NULL, metric_events, table);
+ return parse_groups(perf_evlist, str, metric_no_group, metric_no_merge,
+ user_requested_cpu_list, system_wide,
+ /*fake_pmu=*/NULL, metric_events, table);
}
int metricgroup__parse_groups_test(struct evlist *evlist,
@@ -1669,8 +1710,10 @@ int metricgroup__parse_groups_test(struct evlist *evlist,
bool metric_no_merge,
struct rblist *metric_events)
{
- return parse_groups(evlist, str, metric_no_group,
- metric_no_merge, &perf_pmu__fake, metric_events, table);
+ return parse_groups(evlist, str, metric_no_group, metric_no_merge,
+ /*user_requested_cpu_list=*/NULL,
+ /*system_wide=*/false,
+ &perf_pmu__fake, metric_events, table);
}
static int metricgroup__has_metric_callback(const struct pmu_event *pe,
@@ -1703,7 +1746,7 @@ int metricgroup__copy_metric_events(struct evlist *evlist, struct cgroup *cgrp,
struct rblist *new_metric_events,
struct rblist *old_metric_events)
{
- unsigned i;
+ unsigned int i;
for (i = 0; i < rblist__nr_entries(old_metric_events); i++) {
struct rb_node *nd;
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-31 07:51:42 +0300