1
2#include "tests.h"
3#include <stdio.h>
4#include "cpumap.h"
5#include "event.h"
6#include "util/synthetic-events.h"
7#include <string.h>
8#include <linux/bitops.h>
9#include <perf/cpumap.h>
10#include "debug.h"
11
12struct machine;
13
14static int process_event_mask(struct perf_tool *tool __maybe_unused,
15 union perf_event *event,
16 struct perf_sample *sample __maybe_unused,
17 struct machine *machine __maybe_unused)
18{
19 struct perf_record_cpu_map *map_event = &event->cpu_map;
20 struct perf_record_record_cpu_map *mask;
21 struct perf_record_cpu_map_data *data;
22 struct perf_cpu_map *map;
23 int i;
24
25 data = &map_event->data;
26
27 TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__MASK);
28
29 mask = (struct perf_record_record_cpu_map *)data->data;
30
31 TEST_ASSERT_VAL("wrong nr", mask->nr == 1);
32
33 for (i = 0; i < 20; i++) {
34 TEST_ASSERT_VAL("wrong cpu", test_bit(i, mask->mask));
35 }
36
37 map = cpu_map__new_data(data);
38 TEST_ASSERT_VAL("wrong nr", map->nr == 20);
39
40 for (i = 0; i < 20; i++) {
41 TEST_ASSERT_VAL("wrong cpu", map->map[i] == i);
42 }
43
44 perf_cpu_map__put(map);
45 return 0;
46}
47
48static int process_event_cpus(struct perf_tool *tool __maybe_unused,
49 union perf_event *event,
50 struct perf_sample *sample __maybe_unused,
51 struct machine *machine __maybe_unused)
52{
53 struct perf_record_cpu_map *map_event = &event->cpu_map;
54 struct cpu_map_entries *cpus;
55 struct perf_record_cpu_map_data *data;
56 struct perf_cpu_map *map;
57
58 data = &map_event->data;
59
60 TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__CPUS);
61
62 cpus = (struct cpu_map_entries *)data->data;
63
64 TEST_ASSERT_VAL("wrong nr", cpus->nr == 2);
65 TEST_ASSERT_VAL("wrong cpu", cpus->cpu[0] == 1);
66 TEST_ASSERT_VAL("wrong cpu", cpus->cpu[1] == 256);
67
68 map = cpu_map__new_data(data);
69 TEST_ASSERT_VAL("wrong nr", map->nr == 2);
70 TEST_ASSERT_VAL("wrong cpu", map->map[0] == 1);
71 TEST_ASSERT_VAL("wrong cpu", map->map[1] == 256);
72 TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1);
73 perf_cpu_map__put(map);
74 return 0;
75}
76
77
78int test__cpu_map_synthesize(struct test *test __maybe_unused, int subtest __maybe_unused)
79{
80 struct perf_cpu_map *cpus;
81
82
83 cpus = perf_cpu_map__new("0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19");
84
85 TEST_ASSERT_VAL("failed to synthesize map",
86 !perf_event__synthesize_cpu_map(NULL, cpus, process_event_mask, NULL));
87
88 perf_cpu_map__put(cpus);
89
90
91 cpus = perf_cpu_map__new("1,256");
92
93 TEST_ASSERT_VAL("failed to synthesize map",
94 !perf_event__synthesize_cpu_map(NULL, cpus, process_event_cpus, NULL));
95
96 perf_cpu_map__put(cpus);
97 return 0;
98}
99
100static int cpu_map_print(const char *str)
101{
102 struct perf_cpu_map *map = perf_cpu_map__new(str);
103 char buf[100];
104
105 if (!map)
106 return -1;
107
108 cpu_map__snprint(map, buf, sizeof(buf));
109 perf_cpu_map__put(map);
110
111 return !strcmp(buf, str);
112}
113
114int test__cpu_map_print(struct test *test __maybe_unused, int subtest __maybe_unused)
115{
116 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1"));
117 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,5"));
118 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3,5,7,9,11,13,15,17,19,21-40"));
119 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("2-5"));
120 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37"));
121 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37"));
122 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1-10,12-20,22-30,32-40"));
123 return 0;
124}
125
126int test__cpu_map_merge(struct test *test __maybe_unused, int subtest __maybe_unused)
127{
128 struct perf_cpu_map *a = perf_cpu_map__new("4,2,1");
129 struct perf_cpu_map *b = perf_cpu_map__new("4,5,7");
130 struct perf_cpu_map *c = perf_cpu_map__merge(a, b);
131 char buf[100];
132
133 TEST_ASSERT_VAL("failed to merge map: bad nr", c->nr == 5);
134 cpu_map__snprint(c, buf, sizeof(buf));
135 TEST_ASSERT_VAL("failed to merge map: bad result", !strcmp(buf, "1-2,4-5,7"));
136 perf_cpu_map__put(b);
137 perf_cpu_map__put(c);
138 return 0;
139}
140
