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
___evlist__add_default_attrs(struct evlist * evlist,struct perf_event_attr * attrs,size_t nr_attrs)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
arch_evlist__add_default_attrs(struct evlist * evlist,struct perf_event_attr * attrs,size_t nr_attrs)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
arch_evlist__leader(struct list_head * list)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