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-rw-r--r--tools/perf/arch/x86/util/evlist.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/util/evlist.c b/tools/perf/arch/x86/util/evlist.c
new file mode 100644
index 000000000..cb59ce9b9
--- /dev/null
+++ b/tools/perf/arch/x86/util/evlist.c
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdio.h>
+#include "util/pmu.h"
+#include "util/evlist.h"
+#include "util/parse-events.h"
+#include "util/event.h"
+#include "util/pmu-hybrid.h"
+#include "topdown.h"
+
+static int ___evlist__add_default_attrs(struct evlist *evlist,
+ struct perf_event_attr *attrs,
+ size_t nr_attrs)
+{
+ struct perf_cpu_map *cpus;
+ struct evsel *evsel, *n;
+ struct perf_pmu *pmu;
+ LIST_HEAD(head);
+ size_t i = 0;
+
+ for (i = 0; i < nr_attrs; i++)
+ event_attr_init(attrs + i);
+
+ if (!perf_pmu__has_hybrid())
+ return evlist__add_attrs(evlist, attrs, nr_attrs);
+
+ for (i = 0; i < nr_attrs; i++) {
+ if (attrs[i].type == PERF_TYPE_SOFTWARE) {
+ evsel = evsel__new(attrs + i);
+ if (evsel == NULL)
+ goto out_delete_partial_list;
+ list_add_tail(&evsel->core.node, &head);
+ continue;
+ }
+
+ perf_pmu__for_each_hybrid_pmu(pmu) {
+ evsel = evsel__new(attrs + i);
+ if (evsel == NULL)
+ goto out_delete_partial_list;
+ evsel->core.attr.config |= (__u64)pmu->type << PERF_PMU_TYPE_SHIFT;
+ cpus = perf_cpu_map__get(pmu->cpus);
+ evsel->core.cpus = cpus;
+ evsel->core.own_cpus = perf_cpu_map__get(cpus);
+ evsel->pmu_name = strdup(pmu->name);
+ list_add_tail(&evsel->core.node, &head);
+ }
+ }
+
+ evlist__splice_list_tail(evlist, &head);
+
+ return 0;
+
+out_delete_partial_list:
+ __evlist__for_each_entry_safe(&head, n, evsel)
+ evsel__delete(evsel);
+ return -1;
+}
+
+int arch_evlist__add_default_attrs(struct evlist *evlist,
+ struct perf_event_attr *attrs,
+ size_t nr_attrs)
+{
+ if (nr_attrs)
+ return ___evlist__add_default_attrs(evlist, attrs, nr_attrs);
+
+ return topdown_parse_events(evlist);
+}
+
+struct evsel *arch_evlist__leader(struct list_head *list)
+{
+ struct evsel *evsel, *first, *slots = NULL;
+ bool has_topdown = false;
+
+ first = list_first_entry(list, struct evsel, core.node);
+
+ if (!topdown_sys_has_perf_metrics())
+ return first;
+
+ /* If there is a slots event and a topdown event then the slots event comes first. */
+ __evlist__for_each_entry(list, evsel) {
+ if (evsel->pmu_name && !strncmp(evsel->pmu_name, "cpu", 3) && evsel->name) {
+ if (strcasestr(evsel->name, "slots")) {
+ slots = evsel;
+ if (slots == first)
+ return first;
+ }
+ if (strcasestr(evsel->name, "topdown"))
+ has_topdown = true;
+ if (slots && has_topdown)
+ return slots;
+ }
+ }
+ return first;
+}