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