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// SPDX-License-Identifier: GPL-2.0
#include <errno.h>
#include <perf/evsel.h>
#include <linux/list.h>
#include <internal/evsel.h>
#include <linux/zalloc.h>
#include <stdlib.h>
#include <internal/xyarray.h>
#include <linux/string.h>
void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr)
{
INIT_LIST_HEAD(&evsel->node);
evsel->attr = *attr;
}
struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
{
struct perf_evsel *evsel = zalloc(sizeof(*evsel));
if (evsel != NULL)
perf_evsel__init(evsel, attr);
return evsel;
}
void perf_evsel__delete(struct perf_evsel *evsel)
{
free(evsel);
}
#define FD(e, x, y) (*(int *) xyarray__entry(e->fd, x, y))
int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads)
{
evsel->fd = xyarray__new(ncpus, nthreads, sizeof(int));
if (evsel->fd) {
int cpu, thread;
for (cpu = 0; cpu < ncpus; cpu++) {
for (thread = 0; thread < nthreads; thread++) {
FD(evsel, cpu, thread) = -1;
}
}
}
return evsel->fd != NULL ? 0 : -ENOMEM;
}
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