tools/perf/tests/event_update.c

   1 #include <linux/compiler.h>
   2 #include "evlist.h"
   3 #include "evsel.h"
   4 #include "machine.h"
   5 #include "tests.h"
   6 #include "debug.h"
   7
   8 static int process_event_unit(struct perf_tool *tool __maybe_unused,
   9                               union perf_event *event,
  10                               struct perf_sample *sample __maybe_unused,
  11                               struct machine *machine __maybe_unused)
  12 {
  13         struct event_update_event *ev = (struct event_update_event *) event;
  14
  15         TEST_ASSERT_VAL("wrong id", ev->id == 123);
  16         TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__UNIT);
  17         TEST_ASSERT_VAL("wrong unit", !strcmp(ev->data, "KRAVA"));
  18         return 0;
  19 }
  20
  21 static int process_event_scale(struct perf_tool *tool __maybe_unused,
  22                                union perf_event *event,
  23                                struct perf_sample *sample __maybe_unused,
  24                                struct machine *machine __maybe_unused)
  25 {
  26         struct event_update_event *ev = (struct event_update_event *) event;
  27         struct event_update_event_scale *ev_data;
  28
  29         ev_data = (struct event_update_event_scale *) ev->data;
  30
  31         TEST_ASSERT_VAL("wrong id", ev->id == 123);
  32         TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__SCALE);
  33         TEST_ASSERT_VAL("wrong scale", ev_data->scale == 0.123);
  34         return 0;
  35 }
  36
  37 struct event_name {
  38         struct perf_tool tool;
  39         const char *name;
  40 };
  41
  42 static int process_event_name(struct perf_tool *tool,
  43                               union perf_event *event,
  44                               struct perf_sample *sample __maybe_unused,
  45                               struct machine *machine __maybe_unused)
  46 {
  47         struct event_name *tmp = container_of(tool, struct event_name, tool);
  48         struct event_update_event *ev = (struct event_update_event*) event;
  49
  50         TEST_ASSERT_VAL("wrong id", ev->id == 123);
  51         TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__NAME);
  52         TEST_ASSERT_VAL("wrong name", !strcmp(ev->data, tmp->name));
  53         return 0;
  54 }
  55
  56 static int process_event_cpus(struct perf_tool *tool __maybe_unused,
  57                               union perf_event *event,
  58                               struct perf_sample *sample __maybe_unused,
  59                               struct machine *machine __maybe_unused)
  60 {
  61         struct event_update_event *ev = (struct event_update_event*) event;
  62         struct event_update_event_cpus *ev_data;
  63         struct cpu_map *map;
  64
  65         ev_data = (struct event_update_event_cpus*) ev->data;
  66
  67         map = cpu_map__new_data(&ev_data->cpus);
  68
  69         TEST_ASSERT_VAL("wrong id", ev->id == 123);
  70         TEST_ASSERT_VAL("wrong type", ev->type == PERF_EVENT_UPDATE__CPUS);
  71         TEST_ASSERT_VAL("wrong cpus", map->nr == 3);
  72         TEST_ASSERT_VAL("wrong cpus", map->map[0] == 1);
  73         TEST_ASSERT_VAL("wrong cpus", map->map[1] == 2);
  74         TEST_ASSERT_VAL("wrong cpus", map->map[2] == 3);
  75         cpu_map__put(map);
  76         return 0;
  77 }
  78
  79 int test__event_update(struct test *test __maybe_unused, int subtest __maybe_unused)
  80 {
  81         struct perf_evlist *evlist;
  82         struct perf_evsel *evsel;
  83         struct event_name tmp;
  84
  85         evlist = perf_evlist__new_default();
  86         TEST_ASSERT_VAL("failed to get evlist", evlist);
  87
  88         evsel = perf_evlist__first(evlist);
  89
  90         TEST_ASSERT_VAL("failed to allos ids",
  91                         !perf_evsel__alloc_id(evsel, 1, 1));
  92
  93         perf_evlist__id_add(evlist, evsel, 0, 0, 123);
  94
  95         evsel->unit = strdup("KRAVA");
  96
  97         TEST_ASSERT_VAL("failed to synthesize attr update unit",
  98                         !perf_event__synthesize_event_update_unit(NULL, evsel, process_event_unit));
  99
 100         evsel->scale = 0.123;
 101
 102         TEST_ASSERT_VAL("failed to synthesize attr update scale",
 103                         !perf_event__synthesize_event_update_scale(NULL, evsel, process_event_scale));
 104
 105         tmp.name = perf_evsel__name(evsel);
 106
 107         TEST_ASSERT_VAL("failed to synthesize attr update name",
 108                         !perf_event__synthesize_event_update_name(&tmp.tool, evsel, process_event_name));
 109
 110         evsel->own_cpus = cpu_map__new("1,2,3");
 111
 112         TEST_ASSERT_VAL("failed to synthesize attr update cpus",
 113                         !perf_event__synthesize_event_update_cpus(&tmp.tool, evsel, process_event_cpus));
 114
 115         cpu_map__put(evsel->own_cpus);
 116         return 0;
 117 }