linux/linux-5.4.31/tools/perf/util/counts.c

67 lines
1.3 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include <errno.h>
#include <stdlib.h>
#include "evsel.h"
#include "counts.h"
#include <linux/zalloc.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;
values = xyarray__new(ncpus, nthreads, sizeof(bool));
if (!values) {
xyarray__delete(counts->values);
free(counts);
return NULL;
}
counts->loaded = values;
}
return counts;
}
void perf_counts__delete(struct perf_counts *counts)
{
if (counts) {
xyarray__delete(counts->loaded);
xyarray__delete(counts->values);
free(counts);
}
}
static void perf_counts__reset(struct perf_counts *counts)
{
xyarray__reset(counts->loaded);
xyarray__reset(counts->values);
}
void perf_evsel__reset_counts(struct evsel *evsel)
{
perf_counts__reset(evsel->counts);
}
int perf_evsel__alloc_counts(struct 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 evsel *evsel)
{
perf_counts__delete(evsel->counts);
evsel->counts = NULL;
}