72 строки
1.4 KiB
C
72 строки
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include "evsel.h"
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#include "counts.h"
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#include <perf/threadmap.h>
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#include <linux/zalloc.h>
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struct perf_counts *perf_counts__new(int ncpus, int nthreads)
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{
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struct perf_counts *counts = zalloc(sizeof(*counts));
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if (counts) {
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struct xyarray *values;
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values = xyarray__new(ncpus, nthreads, sizeof(struct perf_counts_values));
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if (!values) {
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free(counts);
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return NULL;
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}
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counts->values = values;
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values = xyarray__new(ncpus, nthreads, sizeof(bool));
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if (!values) {
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xyarray__delete(counts->values);
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free(counts);
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return NULL;
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}
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counts->loaded = values;
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}
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return counts;
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}
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void perf_counts__delete(struct perf_counts *counts)
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{
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if (counts) {
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xyarray__delete(counts->loaded);
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xyarray__delete(counts->values);
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free(counts);
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}
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}
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void perf_counts__reset(struct perf_counts *counts)
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{
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xyarray__reset(counts->loaded);
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xyarray__reset(counts->values);
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}
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void evsel__reset_counts(struct evsel *evsel)
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{
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perf_counts__reset(evsel->counts);
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}
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int evsel__alloc_counts(struct evsel *evsel)
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{
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struct perf_cpu_map *cpus = evsel__cpus(evsel);
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int nthreads = perf_thread_map__nr(evsel->core.threads);
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evsel->counts = perf_counts__new(perf_cpu_map__nr(cpus), nthreads);
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return evsel->counts != NULL ? 0 : -ENOMEM;
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}
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void evsel__free_counts(struct evsel *evsel)
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{
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perf_counts__delete(evsel->counts);
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evsel->counts = NULL;
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}
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