tools/perf/tests/evsel-roundtrip-name.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "evlist.h"
   3 #include "evsel.h"
   4 #include "parse-events.h"
   5 #include "tests.h"
   6 #include "debug.h"
   7 #include "pmu.h"
   8 #include "pmu-hybrid.h"
   9 #include <errno.h>
  10 #include <linux/kernel.h>
  11
  12 static int perf_evsel__roundtrip_cache_name_test(void)
  13 {
  14         char name[128];
  15         int type, op, err = 0, ret = 0, i, idx;
  16         struct evsel *evsel;
  17         struct evlist *evlist = evlist__new();
  18
  19         if (evlist == NULL)
  20                 return -ENOMEM;
  21
  22         for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
  23                 for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
  24                         /* skip invalid cache type */
  25                         if (!evsel__is_cache_op_valid(type, op))
  26                                 continue;
  27
  28                         for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
  29                                 __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name));
  30                                 err = parse_events(evlist, name, NULL);
  31                                 if (err)
  32                                         ret = err;
  33                         }
  34                 }
  35         }
  36
  37         idx = 0;
  38         evsel = evlist__first(evlist);
  39
  40         for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
  41                 for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
  42                         /* skip invalid cache type */
  43                         if (!evsel__is_cache_op_valid(type, op))
  44                                 continue;
  45
  46                         for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
  47                                 __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name));
  48                                 if (evsel->core.idx != idx)
  49                                         continue;
  50
  51                                 ++idx;
  52
  53                                 if (strcmp(evsel__name(evsel), name)) {
  54                                         pr_debug("%s != %s\n", evsel__name(evsel), name);
  55                                         ret = -1;
  56                                 }
  57
  58                                 evsel = evsel__next(evsel);
  59                         }
  60                 }
  61         }
  62
  63         evlist__delete(evlist);
  64         return ret;
  65 }
  66
  67 static int __perf_evsel__name_array_test(const char *const names[], int nr_names,
  68                                          int distance)
  69 {
  70         int i, err;
  71         struct evsel *evsel;
  72         struct evlist *evlist = evlist__new();
  73
  74         if (evlist == NULL)
  75                 return -ENOMEM;
  76
  77         for (i = 0; i < nr_names; ++i) {
  78                 err = parse_events(evlist, names[i], NULL);
  79                 if (err) {
  80                         pr_debug("failed to parse event '%s', err %d\n",
  81                                  names[i], err);
  82                         goto out_delete_evlist;
  83                 }
  84         }
  85
  86         err = 0;
  87         evlist__for_each_entry(evlist, evsel) {
  88                 if (strcmp(evsel__name(evsel), names[evsel->core.idx / distance])) {
  89                         --err;
  90                         pr_debug("%s != %s\n", evsel__name(evsel), names[evsel->core.idx / distance]);
  91                 }
  92         }
  93
  94 out_delete_evlist:
  95         evlist__delete(evlist);
  96         return err;
  97 }
  98
  99 #define perf_evsel__name_array_test(names, distance) \
 100         __perf_evsel__name_array_test(names, ARRAY_SIZE(names), distance)
 101
 102 static int test__perf_evsel__roundtrip_name_test(struct test_suite *test __maybe_unused,
 103                                                  int subtest __maybe_unused)
 104 {
 105         int err = 0, ret = 0;
 106
 107         if (perf_pmu__has_hybrid() && perf_pmu__hybrid_mounted("cpu_atom"))
 108                 return perf_evsel__name_array_test(evsel__hw_names, 2);
 109
 110         err = perf_evsel__name_array_test(evsel__hw_names, 1);
 111         if (err)
 112                 ret = err;
 113
 114         err = __perf_evsel__name_array_test(evsel__sw_names, PERF_COUNT_SW_DUMMY + 1, 1);
 115         if (err)
 116                 ret = err;
 117
 118         err = perf_evsel__roundtrip_cache_name_test();
 119         if (err)
 120                 ret = err;
 121
 122         return ret;
 123 }
 124
 125 DEFINE_SUITE("Roundtrip evsel->name", perf_evsel__roundtrip_name_test);