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