| 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 | |
| 10 | struct 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 | |
| 38 | void 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 | |
| 47 | void perf_counts__reset(struct perf_counts *counts) |
| 48 | { |
| 49 | xyarray__reset(counts->loaded); |
| 50 | xyarray__reset(counts->values); |
| 51 | } |
| 52 | |
| 53 | void evsel__reset_counts(struct evsel *evsel) |
| 54 | { |
| 55 | perf_counts__reset(counts: evsel->counts); |
| 56 | } |
| 57 | |
| 58 | int 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(ncpus: perf_cpu_map__nr(cpus), nthreads); |
| 64 | return evsel->counts != NULL ? 0 : -ENOMEM; |
| 65 | } |
| 66 | |
| 67 | void evsel__free_counts(struct evsel *evsel) |
| 68 | { |
| 69 | perf_counts__delete(counts: evsel->counts); |
| 70 | evsel->counts = NULL; |
| 71 | } |
| 72 |