1 // SPDX-License-Identifier: GPL-2.0 1
2 #include <errno.h>
3 #include <stdlib.h>
4 #include <string.h>
5 #include "evsel.h"
6 #include "counts.h"
7 #include <perf/threadmap.h>
8 #include <linux/zalloc.h>
9
10 struct perf_counts *perf_counts__new(int ncpus
11 {
12 struct perf_counts *counts = zalloc(si
13
14 if (counts) {
15 struct xyarray *values;
16
17 values = xyarray__new(ncpus, n
18 if (!values) {
19 free(counts);
20 return NULL;
21 }
22
23 counts->values = values;
24
25 values = xyarray__new(ncpus, n
26 if (!values) {
27 xyarray__delete(counts
28 free(counts);
29 return NULL;
30 }
31
32 counts->loaded = values;
33 }
34
35 return counts;
36 }
37
38 void perf_counts__delete(struct perf_counts *c
39 {
40 if (counts) {
41 xyarray__delete(counts->loaded
42 xyarray__delete(counts->values
43 free(counts);
44 }
45 }
46
47 void perf_counts__reset(struct perf_counts *co
48 {
49 xyarray__reset(counts->loaded);
50 xyarray__reset(counts->values);
51 }
52
53 void evsel__reset_counts(struct evsel *evsel)
54 {
55 perf_counts__reset(evsel->counts);
56 }
57
58 int evsel__alloc_counts(struct evsel *evsel)
59 {
60 struct perf_cpu_map *cpus = evsel__cpu
61 int nthreads = perf_thread_map__nr(evs
62
63 evsel->counts = perf_counts__new(perf_
64 return evsel->counts != NULL ? 0 : -EN
65 }
66
67 void evsel__free_counts(struct evsel *evsel)
68 {
69 perf_counts__delete(evsel->counts);
70 evsel->counts = NULL;
71 }
72
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