1// SPDX-License-Identifier: GPL-2.0 2#include <errno.h> 3#include <stdlib.h> 4#include <string.h> 5#include "evsel.h" 6#include "counts.h" 7#include <perf/threadmap.h> 8#include <linux/zalloc.h> 9 10struct perf_counts *perf_counts__new(int ncpus, int nthreads) 11{ 12 struct perf_counts *counts = zalloc(sizeof(*counts)); 13 14 if (counts) { 15 struct xyarray *values; 16 17 values = xyarray__new(ncpus, nthreads, sizeof(struct perf_counts_values)); 18 if (!values) { 19 free(counts); 20 return NULL; 21 } 22 23 counts->values = values; 24 25 values = xyarray__new(ncpus, nthreads, sizeof(bool)); 26 if (!values) { 27 xyarray__delete(counts->values); 28 free(counts); 29 return NULL; 30 } 31 32 counts->loaded = values; 33 } 34 35 return counts; 36} 37 38void perf_counts__delete(struct perf_counts *counts) 39{ 40 if (counts) { 41 xyarray__delete(counts->loaded); 42 xyarray__delete(counts->values); 43 free(counts); 44 } 45} 46 47void perf_counts__reset(struct perf_counts *counts) 48{ 49 xyarray__reset(counts->loaded); 50 xyarray__reset(counts->values); 51} 52 53void evsel__reset_counts(struct evsel *evsel) 54{ 55 perf_counts__reset(evsel->counts); 56} 57 58int evsel__alloc_counts(struct evsel *evsel) 59{ 60 struct perf_cpu_map *cpus = evsel__cpus(evsel); 61 int nthreads = perf_thread_map__nr(evsel->core.threads); 62 63 evsel->counts = perf_counts__new(perf_cpu_map__nr(cpus), nthreads); 64 return evsel->counts != NULL ? 0 : -ENOMEM; 65} 66 67void evsel__free_counts(struct evsel *evsel) 68{ 69 perf_counts__delete(evsel->counts); 70 evsel->counts = NULL; 71} 72