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1// SPDX-License-Identifier: GPL-2.0
2#include <stdlib.h>
3#include <string.h>
4#include <sys/types.h>
5#include <unistd.h>
6#include <sys/prctl.h>
7#include "tests.h"
8#include "thread_map.h"
9#include "debug.h"
10#include "event.h"
11#include "util/synthetic-events.h"
12#include <linux/zalloc.h>
13#include <perf/event.h>
14#include <internal/threadmap.h>
15
16struct perf_sample;
17struct perf_tool;
18struct machine;
19
20#define NAME (const char *) "perf"
21#define NAMEUL (unsigned long) NAME
22
23static int test__thread_map(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
24{
25 struct perf_thread_map *map;
26
27 TEST_ASSERT_VAL("failed to set process name",
28 !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
29
30 /* test map on current pid */
31 map = thread_map__new_by_pid(getpid());
32 TEST_ASSERT_VAL("failed to alloc map", map);
33
34 thread_map__read_comms(map);
35
36 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
37 TEST_ASSERT_VAL("wrong pid",
38 perf_thread_map__pid(map, 0) == getpid());
39 TEST_ASSERT_VAL("wrong comm",
40 perf_thread_map__comm(map, 0) &&
41 !strcmp(perf_thread_map__comm(map, 0), NAME));
42 TEST_ASSERT_VAL("wrong refcnt",
43 refcount_read(&map->refcnt) == 1);
44 perf_thread_map__put(map);
45
46 /* test dummy pid */
47 map = perf_thread_map__new_dummy();
48 TEST_ASSERT_VAL("failed to alloc map", map);
49
50 thread_map__read_comms(map);
51
52 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
53 TEST_ASSERT_VAL("wrong pid", perf_thread_map__pid(map, 0) == -1);
54 TEST_ASSERT_VAL("wrong comm",
55 perf_thread_map__comm(map, 0) &&
56 !strcmp(perf_thread_map__comm(map, 0), "dummy"));
57 TEST_ASSERT_VAL("wrong refcnt",
58 refcount_read(&map->refcnt) == 1);
59 perf_thread_map__put(map);
60 return 0;
61}
62
63static int process_event(struct perf_tool *tool __maybe_unused,
64 union perf_event *event,
65 struct perf_sample *sample __maybe_unused,
66 struct machine *machine __maybe_unused)
67{
68 struct perf_record_thread_map *map = &event->thread_map;
69 struct perf_thread_map *threads;
70
71 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
72 TEST_ASSERT_VAL("wrong pid", map->entries[0].pid == (u64) getpid());
73 TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, NAME));
74
75 threads = thread_map__new_event(&event->thread_map);
76 TEST_ASSERT_VAL("failed to alloc map", threads);
77
78 TEST_ASSERT_VAL("wrong nr", threads->nr == 1);
79 TEST_ASSERT_VAL("wrong pid",
80 perf_thread_map__pid(threads, 0) == getpid());
81 TEST_ASSERT_VAL("wrong comm",
82 perf_thread_map__comm(threads, 0) &&
83 !strcmp(perf_thread_map__comm(threads, 0), NAME));
84 TEST_ASSERT_VAL("wrong refcnt",
85 refcount_read(&threads->refcnt) == 1);
86 perf_thread_map__put(threads);
87 return 0;
88}
89
90static int test__thread_map_synthesize(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
91{
92 struct perf_thread_map *threads;
93
94 TEST_ASSERT_VAL("failed to set process name",
95 !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
96
97 /* test map on current pid */
98 threads = thread_map__new_by_pid(getpid());
99 TEST_ASSERT_VAL("failed to alloc map", threads);
100
101 thread_map__read_comms(threads);
102
103 TEST_ASSERT_VAL("failed to synthesize map",
104 !perf_event__synthesize_thread_map2(NULL, threads, process_event, NULL));
105
106 perf_thread_map__put(threads);
107 return 0;
108}
109
110static int test__thread_map_remove(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
111{
112 struct perf_thread_map *threads;
113 char *str;
114
115 TEST_ASSERT_VAL("failed to allocate map string",
116 asprintf(&str, "%d,%d", getpid(), getppid()) >= 0);
117
118 threads = thread_map__new_str(str, NULL, 0, false);
119 free(str);
120
121 TEST_ASSERT_VAL("failed to allocate thread_map",
122 threads);
123
124 if (verbose > 0)
125 thread_map__fprintf(threads, stderr);
126
127 TEST_ASSERT_VAL("failed to remove thread",
128 !thread_map__remove(threads, 0));
129
130 TEST_ASSERT_VAL("thread_map count != 1", threads->nr == 1);
131
132 if (verbose > 0)
133 thread_map__fprintf(threads, stderr);
134
135 TEST_ASSERT_VAL("failed to remove thread",
136 !thread_map__remove(threads, 0));
137
138 TEST_ASSERT_VAL("thread_map count != 0", threads->nr == 0);
139
140 if (verbose > 0)
141 thread_map__fprintf(threads, stderr);
142
143 TEST_ASSERT_VAL("failed to not remove thread",
144 thread_map__remove(threads, 0));
145
146 perf_thread_map__put(threads);
147 return 0;
148}
149
150DEFINE_SUITE("Thread map", thread_map);
151DEFINE_SUITE("Synthesize thread map", thread_map_synthesize);
152DEFINE_SUITE("Remove thread map", thread_map_remove);
1#include <stdlib.h>
2#include <sys/types.h>
3#include <unistd.h>
4#include <sys/prctl.h>
5#include "tests.h"
6#include "thread_map.h"
7#include "debug.h"
8
9#define NAME (const char *) "perf"
10#define NAMEUL (unsigned long) NAME
11
12int test__thread_map(int subtest __maybe_unused)
13{
14 struct thread_map *map;
15
16 TEST_ASSERT_VAL("failed to set process name",
17 !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
18
19 /* test map on current pid */
20 map = thread_map__new_by_pid(getpid());
21 TEST_ASSERT_VAL("failed to alloc map", map);
22
23 thread_map__read_comms(map);
24
25 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
26 TEST_ASSERT_VAL("wrong pid",
27 thread_map__pid(map, 0) == getpid());
28 TEST_ASSERT_VAL("wrong comm",
29 thread_map__comm(map, 0) &&
30 !strcmp(thread_map__comm(map, 0), NAME));
31 TEST_ASSERT_VAL("wrong refcnt",
32 atomic_read(&map->refcnt) == 1);
33 thread_map__put(map);
34
35 /* test dummy pid */
36 map = thread_map__new_dummy();
37 TEST_ASSERT_VAL("failed to alloc map", map);
38
39 thread_map__read_comms(map);
40
41 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
42 TEST_ASSERT_VAL("wrong pid", thread_map__pid(map, 0) == -1);
43 TEST_ASSERT_VAL("wrong comm",
44 thread_map__comm(map, 0) &&
45 !strcmp(thread_map__comm(map, 0), "dummy"));
46 TEST_ASSERT_VAL("wrong refcnt",
47 atomic_read(&map->refcnt) == 1);
48 thread_map__put(map);
49 return 0;
50}
51
52static int process_event(struct perf_tool *tool __maybe_unused,
53 union perf_event *event,
54 struct perf_sample *sample __maybe_unused,
55 struct machine *machine __maybe_unused)
56{
57 struct thread_map_event *map = &event->thread_map;
58 struct thread_map *threads;
59
60 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
61 TEST_ASSERT_VAL("wrong pid", map->entries[0].pid == (u64) getpid());
62 TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, NAME));
63
64 threads = thread_map__new_event(&event->thread_map);
65 TEST_ASSERT_VAL("failed to alloc map", threads);
66
67 TEST_ASSERT_VAL("wrong nr", threads->nr == 1);
68 TEST_ASSERT_VAL("wrong pid",
69 thread_map__pid(threads, 0) == getpid());
70 TEST_ASSERT_VAL("wrong comm",
71 thread_map__comm(threads, 0) &&
72 !strcmp(thread_map__comm(threads, 0), NAME));
73 TEST_ASSERT_VAL("wrong refcnt",
74 atomic_read(&threads->refcnt) == 1);
75 thread_map__put(threads);
76 return 0;
77}
78
79int test__thread_map_synthesize(int subtest __maybe_unused)
80{
81 struct thread_map *threads;
82
83 TEST_ASSERT_VAL("failed to set process name",
84 !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
85
86 /* test map on current pid */
87 threads = thread_map__new_by_pid(getpid());
88 TEST_ASSERT_VAL("failed to alloc map", threads);
89
90 thread_map__read_comms(threads);
91
92 TEST_ASSERT_VAL("failed to synthesize map",
93 !perf_event__synthesize_thread_map2(NULL, threads, process_event, NULL));
94
95 return 0;
96}
97
98int test__thread_map_remove(int subtest __maybe_unused)
99{
100 struct thread_map *threads;
101 char *str;
102 int i;
103
104 TEST_ASSERT_VAL("failed to allocate map string",
105 asprintf(&str, "%d,%d", getpid(), getppid()) >= 0);
106
107 threads = thread_map__new_str(str, NULL, 0);
108
109 TEST_ASSERT_VAL("failed to allocate thread_map",
110 threads);
111
112 if (verbose)
113 thread_map__fprintf(threads, stderr);
114
115 TEST_ASSERT_VAL("failed to remove thread",
116 !thread_map__remove(threads, 0));
117
118 TEST_ASSERT_VAL("thread_map count != 1", threads->nr == 1);
119
120 if (verbose)
121 thread_map__fprintf(threads, stderr);
122
123 TEST_ASSERT_VAL("failed to remove thread",
124 !thread_map__remove(threads, 0));
125
126 TEST_ASSERT_VAL("thread_map count != 0", threads->nr == 0);
127
128 if (verbose)
129 thread_map__fprintf(threads, stderr);
130
131 TEST_ASSERT_VAL("failed to not remove thread",
132 thread_map__remove(threads, 0));
133
134 for (i = 0; i < threads->nr; i++)
135 free(threads->map[i].comm);
136
137 free(threads);
138 return 0;
139}