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// 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;
}
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