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 "util.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 24 return counts; 25 } 26 27 void perf_counts__delete(struct perf_counts *counts) 28 { 29 if (counts) { 30 xyarray__delete(counts->values); 31 free(counts); 32 } 33 } 34 35 static void perf_counts__reset(struct perf_counts *counts) 36 { 37 xyarray__reset(counts->values); 38 } 39 40 void perf_evsel__reset_counts(struct perf_evsel *evsel) 41 { 42 perf_counts__reset(evsel->counts); 43 } 44 45 int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus, int nthreads) 46 { 47 evsel->counts = perf_counts__new(ncpus, nthreads); 48 return evsel->counts != NULL ? 0 : -ENOMEM; 49 } 50 51 void perf_evsel__free_counts(struct perf_evsel *evsel) 52 { 53 perf_counts__delete(evsel->counts); 54 evsel->counts = NULL; 55 } 56