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