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