Files
cubelinux-kernel/tools/perf/util/counts.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

72 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "evsel.h"
#include "counts.h"
#include <perf/threadmap.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);
}
}
void perf_counts__reset(struct perf_counts *counts)
{
xyarray__reset(counts->loaded);
xyarray__reset(counts->values);
}
void evsel__reset_counts(struct evsel *evsel)
{
perf_counts__reset(evsel->counts);
}
int evsel__alloc_counts(struct evsel *evsel)
{
struct perf_cpu_map *cpus = evsel__cpus(evsel);
int nthreads = perf_thread_map__nr(evsel->core.threads);
evsel->counts = perf_counts__new(perf_cpu_map__nr(cpus), nthreads);
return evsel->counts != NULL ? 0 : -ENOMEM;
}
void evsel__free_counts(struct evsel *evsel)
{
perf_counts__delete(evsel->counts);
evsel->counts = NULL;
}