tools/perf/tests/event_update.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/compiler.h>
   3 #include "evlist.h"
   4 #include "evsel.h"
   5 #include "machine.h"
   6 #include "tests.h"
   7 #include "debug.h"
   8
   9 static int process_event_unit(struct perf_tool *tool __maybe_unused,
  10                               union perf_event *event,
  11                               struct perf_sample *sample __maybe_unused,
  12                               struct machine *machine __maybe_unused)
  13 {
  14         struct event_update_event *ev = (struct event_update_event *) event;
  15
  16         TEST_ASSERT_VAL("wrong id", ev->id == 123);
  17         TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__UNIT);
  18         TEST_ASSERT_VAL("wrong unit", !strcmp(ev->data, "KRAVA"));
  19         return 0;
  20 }
  21
  22 static int process_event_scale(struct perf_tool *tool __maybe_unused,
  23                                union perf_event *event,
  24                                struct perf_sample *sample __maybe_unused,
  25                                struct machine *machine __maybe_unused)
  26 {
  27         struct event_update_event *ev = (struct event_update_event *) event;
  28         struct event_update_event_scale *ev_data;
  29
  30         ev_data = (struct event_update_event_scale *) ev->data;
  31
  32         TEST_ASSERT_VAL("wrong id", ev->id == 123);
  33         TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__SCALE);
  34         TEST_ASSERT_VAL("wrong scale", ev_data->scale == 0.123);
  35         return 0;
  36 }
  37
  38 struct event_name {
  39         struct perf_tool tool;
  40         const char *name;
  41 };
  42
  43 static int process_event_name(struct perf_tool *tool,
  44                               union perf_event *event,
  45                               struct perf_sample *sample __maybe_unused,
  46                               struct machine *machine __maybe_unused)
  47 {
  48         struct event_name *tmp = container_of(tool, struct event_name, tool);
  49         struct event_update_event *ev = (struct event_update_event*) event;
  50
  51         TEST_ASSERT_VAL("wrong id", ev->id == 123);
  52         TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__NAME);
  53         TEST_ASSERT_VAL("wrong name", !strcmp(ev->data, tmp->name));
  54         return 0;
  55 }
  56
  57 static int process_event_cpus(struct perf_tool *tool __maybe_unused,
  58                               union perf_event *event,
  59                               struct perf_sample *sample __maybe_unused,
  60                               struct machine *machine __maybe_unused)
  61 {
  62         struct event_update_event *ev = (struct event_update_event*) event;
  63         struct event_update_event_cpus *ev_data;
  64         struct cpu_map *map;
  65
  66         ev_data = (struct event_update_event_cpus*) ev->data;
  67
  68         map = cpu_map__new_data(&ev_data->cpus);
  69
  70         TEST_ASSERT_VAL("wrong id", ev->id == 123);
  71         TEST_ASSERT_VAL("wrong type", ev->type == PERF_EVENT_UPDATE__CPUS);
  72         TEST_ASSERT_VAL("wrong cpus", map->nr == 3);
  73         TEST_ASSERT_VAL("wrong cpus", map->map[0] == 1);
  74         TEST_ASSERT_VAL("wrong cpus", map->map[1] == 2);
  75         TEST_ASSERT_VAL("wrong cpus", map->map[2] == 3);
  76         cpu_map__put(map);
  77         return 0;
  78 }
  79
  80 int test__event_update(struct test *test __maybe_unused, int subtest __maybe_unused)
  81 {
  82         struct perf_evlist *evlist;
  83         struct perf_evsel *evsel;
  84         struct event_name tmp;
  85
  86         evlist = perf_evlist__new_default();
  87         TEST_ASSERT_VAL("failed to get evlist", evlist);
  88
  89         evsel = perf_evlist__first(evlist);
  90
  91         TEST_ASSERT_VAL("failed to allos ids",
  92                         !perf_evsel__alloc_id(evsel, 1, 1));
  93
  94         perf_evlist__id_add(evlist, evsel, 0, 0, 123);
  95
  96         evsel->unit = strdup("KRAVA");
  97
  98         TEST_ASSERT_VAL("failed to synthesize attr update unit",
  99                         !perf_event__synthesize_event_update_unit(NULL, evsel, process_event_unit));
 100
 101         evsel->scale = 0.123;
 102
 103         TEST_ASSERT_VAL("failed to synthesize attr update scale",
 104                         !perf_event__synthesize_event_update_scale(NULL, evsel, process_event_scale));
 105
 106         tmp.name = perf_evsel__name(evsel);
 107
 108         TEST_ASSERT_VAL("failed to synthesize attr update name",
 109                         !perf_event__synthesize_event_update_name(&tmp.tool, evsel, process_event_name));
 110
 111         evsel->own_cpus = cpu_map__new("1,2,3");
 112
 113         TEST_ASSERT_VAL("failed to synthesize attr update cpus",
 114                         !perf_event__synthesize_event_update_cpus(&tmp.tool, evsel, process_event_cpus));
 115
 116         cpu_map__put(evsel->own_cpus);
 117         return 0;
 118 }