xref: /linux/tools/perf/tests/event_update.c (revision 56d06fa29edd58c448766014afd833b7ff51247b)
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(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 }
118