94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <stdio.h>
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#include "util/pmu.h"
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#include "util/evlist.h"
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#include "util/parse-events.h"
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#include "util/event.h"
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#include "util/pmu-hybrid.h"
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#include "topdown.h"
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static int ___evlist__add_default_attrs(struct evlist *evlist,
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struct perf_event_attr *attrs,
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size_t nr_attrs)
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{
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struct perf_cpu_map *cpus;
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struct evsel *evsel, *n;
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struct perf_pmu *pmu;
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LIST_HEAD(head);
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size_t i = 0;
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for (i = 0; i < nr_attrs; i++)
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event_attr_init(attrs + i);
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if (!perf_pmu__has_hybrid())
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return evlist__add_attrs(evlist, attrs, nr_attrs);
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for (i = 0; i < nr_attrs; i++) {
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if (attrs[i].type == PERF_TYPE_SOFTWARE) {
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evsel = evsel__new(attrs + i);
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if (evsel == NULL)
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goto out_delete_partial_list;
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list_add_tail(&evsel->core.node, &head);
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continue;
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}
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perf_pmu__for_each_hybrid_pmu(pmu) {
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evsel = evsel__new(attrs + i);
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if (evsel == NULL)
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goto out_delete_partial_list;
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evsel->core.attr.config |= (__u64)pmu->type << PERF_PMU_TYPE_SHIFT;
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cpus = perf_cpu_map__get(pmu->cpus);
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evsel->core.cpus = cpus;
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evsel->core.own_cpus = perf_cpu_map__get(cpus);
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evsel->pmu_name = strdup(pmu->name);
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list_add_tail(&evsel->core.node, &head);
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}
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}
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evlist__splice_list_tail(evlist, &head);
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return 0;
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out_delete_partial_list:
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__evlist__for_each_entry_safe(&head, n, evsel)
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evsel__delete(evsel);
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return -1;
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}
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int arch_evlist__add_default_attrs(struct evlist *evlist,
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struct perf_event_attr *attrs,
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size_t nr_attrs)
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{
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if (nr_attrs)
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return ___evlist__add_default_attrs(evlist, attrs, nr_attrs);
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return topdown_parse_events(evlist);
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}
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struct evsel *arch_evlist__leader(struct list_head *list)
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{
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struct evsel *evsel, *first, *slots = NULL;
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bool has_topdown = false;
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first = list_first_entry(list, struct evsel, core.node);
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if (!topdown_sys_has_perf_metrics())
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return first;
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/* If there is a slots event and a topdown event then the slots event comes first. */
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__evlist__for_each_entry(list, evsel) {
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if (evsel->pmu_name && !strncmp(evsel->pmu_name, "cpu", 3) && evsel->name) {
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if (strcasestr(evsel->name, "slots")) {
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slots = evsel;
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if (slots == first)
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return first;
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}
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if (strcasestr(evsel->name, "topdown"))
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has_topdown = true;
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if (slots && has_topdown)
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return slots;
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}
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}
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return first;
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}
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