counts.c

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// SPDX-License-Identifier: GPL-2.0
#include <errno.h>
#include <stdlib.h>
#include "evsel.h"
#include "counts.h"
#include "util.h"

struct perf_counts *perf_counts__new(int ncpus, int nthreads)
{
    struct perf_counts *counts = zalloc(sizeof(*counts));

    if (counts) {
        struct xyarray *values;

        values = xyarray__new(ncpus, nthreads, sizeof(struct perf_counts_values));
        if (!values) {
            free(counts);
            return NULL;
        }

        counts->values = values;
    }

    return counts;
}

void perf_counts__delete(struct perf_counts *counts)
{
    if (counts) {
        xyarray__delete(counts->values);
        free(counts);
    }
}

static void perf_counts__reset(struct perf_counts *counts)
{
    xyarray__reset(counts->values);
}

void perf_evsel__reset_counts(struct perf_evsel *evsel)
{
    perf_counts__reset(evsel->counts);
}

int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus, int nthreads)
{
    evsel->counts = perf_counts__new(ncpus, nthreads);
    return evsel->counts != NULL ? 0 : -ENOMEM;
}

void perf_evsel__free_counts(struct perf_evsel *evsel)
{
    perf_counts__delete(evsel->counts);
    evsel->counts = NULL;
}