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-rw-r--r--tools/perf/util/evsel.c46
1 files changed, 39 insertions, 7 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 51e8ce6edddc..356c07f03be6 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -50,6 +50,7 @@
#include "off_cpu.h"
#include "../perf-sys.h"
#include "util/parse-branch-options.h"
+#include "util/bpf-filter.h"
#include <internal/xyarray.h>
#include <internal/lib.h>
#include <internal/threadmap.h>
@@ -458,7 +459,6 @@ struct evsel *evsel__clone(struct evsel *orig)
evsel->per_pkg = orig->per_pkg;
evsel->percore = orig->percore;
evsel->precise_max = orig->precise_max;
- evsel->use_uncore_alias = orig->use_uncore_alias;
evsel->is_libpfm_event = orig->is_libpfm_event;
evsel->exclude_GH = orig->exclude_GH;
@@ -821,6 +821,35 @@ out_unknown:
return "unknown";
}
+bool evsel__name_is(struct evsel *evsel, const char *name)
+{
+ return !strcmp(evsel__name(evsel), name);
+}
+
+const char *evsel__group_pmu_name(const struct evsel *evsel)
+{
+ const struct evsel *leader;
+
+ /* If the pmu_name is set use it. pmu_name isn't set for CPU and software events. */
+ if (evsel->pmu_name)
+ return evsel->pmu_name;
+ /*
+ * Software events may be in a group with other uncore PMU events. Use
+ * the pmu_name of the group leader to avoid breaking the software event
+ * out of the group.
+ *
+ * Aux event leaders, like intel_pt, expect a group with events from
+ * other PMUs, so substitute the AUX event's PMU in this case.
+ */
+ leader = evsel__leader(evsel);
+ if ((evsel->core.attr.type == PERF_TYPE_SOFTWARE || evsel__is_aux_event(leader)) &&
+ leader->pmu_name) {
+ return leader->pmu_name;
+ }
+
+ return "cpu";
+}
+
const char *evsel__metric_id(const struct evsel *evsel)
{
if (evsel->metric_id)
@@ -1122,7 +1151,7 @@ static void evsel__set_default_freq_period(struct record_opts *opts,
static bool evsel__is_offcpu_event(struct evsel *evsel)
{
- return evsel__is_bpf_output(evsel) && !strcmp(evsel->name, OFFCPU_EVENT);
+ return evsel__is_bpf_output(evsel) && evsel__name_is(evsel, OFFCPU_EVENT);
}
/*
@@ -1334,7 +1363,7 @@ void evsel__config(struct evsel *evsel, struct record_opts *opts,
* group leaders for traced executed by perf.
*/
if (target__none(&opts->target) && evsel__is_group_leader(evsel) &&
- !opts->initial_delay)
+ !opts->target.initial_delay)
attr->enable_on_exec = 1;
if (evsel->immediate) {
@@ -1494,6 +1523,7 @@ void evsel__exit(struct evsel *evsel)
assert(list_empty(&evsel->core.node));
assert(evsel->evlist == NULL);
bpf_counter__destroy(evsel);
+ perf_bpf_filter__destroy(evsel);
evsel__free_counts(evsel);
perf_evsel__free_fd(&evsel->core);
perf_evsel__free_id(&evsel->core);
@@ -1516,6 +1546,9 @@ void evsel__exit(struct evsel *evsel)
void evsel__delete(struct evsel *evsel)
{
+ if (!evsel)
+ return;
+
evsel__exit(evsel);
free(evsel);
}
@@ -2889,8 +2922,7 @@ bool evsel__fallback(struct evsel *evsel, int err, char *msg, size_t msgsize)
if (asprintf(&new_name, "%s%su", name, sep) < 0)
return false;
- if (evsel->name)
- free(evsel->name);
+ free(evsel->name);
evsel->name = new_name;
scnprintf(msg, msgsize, "kernel.perf_event_paranoid=%d, trying "
"to fall back to excluding kernel and hypervisor "
@@ -3128,7 +3160,7 @@ void evsel__zero_per_pkg(struct evsel *evsel)
if (evsel->per_pkg_mask) {
hashmap__for_each_entry(evsel->per_pkg_mask, cur, bkt)
- free((void *)cur->pkey);
+ zfree(&cur->pkey);
hashmap__clear(evsel->per_pkg_mask);
}
@@ -3139,7 +3171,7 @@ bool evsel__is_hybrid(const struct evsel *evsel)
return evsel->pmu_name && perf_pmu__is_hybrid(evsel->pmu_name);
}
-struct evsel *evsel__leader(struct evsel *evsel)
+struct evsel *evsel__leader(const struct evsel *evsel)
{
return container_of(evsel->core.leader, struct evsel, core);
}