| 1 | |
| 2 | #include <errno.h>
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| 3 | #include <stdlib.h>
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| 4 | #include <string.h>
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| 5 | #include "evsel.h"
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| 6 | #include "counts.h"
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| 7 | #include <perf/threadmap.h>
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| 8 | #include <linux/zalloc.h>
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| 9 |
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| 10 | struct perf_counts *perf_counts__new(int ncpus, int nthreads)
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| 11 | {
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| 12 | struct perf_counts *counts = zalloc(sizeof(*counts));
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| 13 |
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| 14 | if (counts) {
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| 15 | struct xyarray *values;
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| 16 |
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| 17 | values = xyarray__new(ncpus, nthreads, sizeof(struct perf_counts_values));
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| 18 | if (!values) {
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| 19 | free(counts);
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| 20 | return NULL;
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| 21 | }
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| 22 |
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| 23 | counts->values = values;
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| 24 |
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| 25 | values = xyarray__new(ncpus, nthreads, sizeof(bool));
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| 26 | if (!values) {
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| 27 | xyarray__delete(counts->values);
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| 28 | free(counts);
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| 29 | return NULL;
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| 30 | }
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| 31 |
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| 32 | counts->loaded = values;
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| 33 | }
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| 34 |
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| 35 | return counts;
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| 36 | }
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| 37 |
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| 38 | void perf_counts__delete(struct perf_counts *counts)
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| 39 | {
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| 40 | if (counts) {
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| 41 | xyarray__delete(counts->loaded);
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| 42 | xyarray__delete(counts->values);
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| 43 | free(counts);
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| 44 | }
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| 45 | }
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| 46 |
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| 47 | void perf_counts__reset(struct perf_counts *counts)
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| 48 | {
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| 49 | xyarray__reset(counts->loaded);
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| 50 | xyarray__reset(counts->values);
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| 51 | }
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| 52 |
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| 53 | void evsel__reset_counts(struct evsel *evsel)
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| 54 | {
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| 55 | perf_counts__reset(evsel->counts);
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| 56 | }
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| 57 |
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| 58 | int evsel__alloc_counts(struct evsel *evsel)
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| 59 | {
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| 60 | struct perf_cpu_map *cpus = evsel__cpus(evsel);
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| 61 | int nthreads = perf_thread_map__nr(evsel->core.threads);
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| 62 |
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| 63 | evsel->counts = perf_counts__new(perf_cpu_map__nr(cpus), nthreads);
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| 64 | return evsel->counts != NULL ? 0 : -ENOMEM;
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| 65 | }
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| 66 |
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| 67 | void evsel__free_counts(struct evsel *evsel)
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| 68 | {
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| 69 | perf_counts__delete(evsel->counts);
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| 70 | evsel->counts = NULL;
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| 71 | }
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