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 <linux/zalloc.h> 8 9 struct perf_counts *perf_counts__new(int ncpus, int nthreads) 10 { 11 struct perf_counts *counts = zalloc(sizeof(*counts)); 12 13 if (counts) { 14 struct xyarray *values; 15 16 values = xyarray__new(ncpus, nthreads, sizeof(struct perf_counts_values)); 17 if (!values) { 18 free(counts); 19 return NULL; 20 } 21 22 counts->values = values; 23 24 values = xyarray__new(ncpus, nthreads, sizeof(bool)); 25 if (!values) { 26 xyarray__delete(counts->values); 27 free(counts); 28 return NULL; 29 } 30 31 counts->loaded = values; 32 } 33 34 return counts; 35 } 36 37 void perf_counts__delete(struct perf_counts *counts) 38 { 39 if (counts) { 40 xyarray__delete(counts->loaded); 41 xyarray__delete(counts->values); 42 free(counts); 43 } 44 } 45 46 void perf_counts__reset(struct perf_counts *counts) 47 { 48 xyarray__reset(counts->loaded); 49 xyarray__reset(counts->values); 50 memset(&counts->aggr, 0, sizeof(struct perf_counts_values)); 51 } 52 53 void evsel__reset_counts(struct evsel *evsel) 54 { 55 perf_counts__reset(evsel->counts); 56 } 57 58 int evsel__alloc_counts(struct evsel *evsel, int ncpus, int nthreads) 59 { 60 evsel->counts = perf_counts__new(ncpus, nthreads); 61 return evsel->counts != NULL ? 0 : -ENOMEM; 62 } 63 64 void evsel__free_counts(struct evsel *evsel) 65 { 66 perf_counts__delete(evsel->counts); 67 evsel->counts = NULL; 68 } 69