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