1 // SPDX-License-Identifier: GPL-2.0 2 #include <stdio.h> 3 #include "util/pmu.h" 4 #include "util/evlist.h" 5 #include "util/parse-events.h" 6 #include "util/event.h" 7 #include "util/pmu-hybrid.h" 8 #include "topdown.h" 9 10 static int ___evlist__add_default_attrs(struct evlist *evlist, 11 struct perf_event_attr *attrs, 12 size_t nr_attrs) 13 { 14 struct perf_cpu_map *cpus; 15 struct evsel *evsel, *n; 16 struct perf_pmu *pmu; 17 LIST_HEAD(head); 18 size_t i = 0; 19 20 for (i = 0; i < nr_attrs; i++) 21 event_attr_init(attrs + i); 22 23 if (!perf_pmu__has_hybrid()) 24 return evlist__add_attrs(evlist, attrs, nr_attrs); 25 26 for (i = 0; i < nr_attrs; i++) { 27 if (attrs[i].type == PERF_TYPE_SOFTWARE) { 28 evsel = evsel__new(attrs + i); 29 if (evsel == NULL) 30 goto out_delete_partial_list; 31 list_add_tail(&evsel->core.node, &head); 32 continue; 33 } 34 35 perf_pmu__for_each_hybrid_pmu(pmu) { 36 evsel = evsel__new(attrs + i); 37 if (evsel == NULL) 38 goto out_delete_partial_list; 39 evsel->core.attr.config |= (__u64)pmu->type << PERF_PMU_TYPE_SHIFT; 40 cpus = perf_cpu_map__get(pmu->cpus); 41 evsel->core.cpus = cpus; 42 evsel->core.own_cpus = perf_cpu_map__get(cpus); 43 evsel->pmu_name = strdup(pmu->name); 44 list_add_tail(&evsel->core.node, &head); 45 } 46 } 47 48 evlist__splice_list_tail(evlist, &head); 49 50 return 0; 51 52 out_delete_partial_list: 53 __evlist__for_each_entry_safe(&head, n, evsel) 54 evsel__delete(evsel); 55 return -1; 56 } 57 58 int arch_evlist__add_default_attrs(struct evlist *evlist, 59 struct perf_event_attr *attrs, 60 size_t nr_attrs) 61 { 62 if (nr_attrs) 63 return ___evlist__add_default_attrs(evlist, attrs, nr_attrs); 64 65 return topdown_parse_events(evlist); 66 } 67 68 struct evsel *arch_evlist__leader(struct list_head *list) 69 { 70 struct evsel *evsel, *first, *slots = NULL; 71 bool has_topdown = false; 72 73 first = list_first_entry(list, struct evsel, core.node); 74 75 if (!topdown_sys_has_perf_metrics()) 76 return first; 77 78 /* If there is a slots event and a topdown event then the slots event comes first. */ 79 __evlist__for_each_entry(list, evsel) { 80 if (evsel->pmu_name && !strncmp(evsel->pmu_name, "cpu", 3) && evsel->name) { 81 if (strcasestr(evsel->name, "slots")) { 82 slots = evsel; 83 if (slots == first) 84 return first; 85 } 86 if (strcasestr(evsel->name, "topdown")) 87 has_topdown = true; 88 if (slots && has_topdown) 89 return slots; 90 } 91 } 92 return first; 93 } 94