Commit | Line | Data |
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cff7f956 JO |
1 | #include "parse-events.h" |
2 | #include "pmu.h" | |
3 | #include "util.h" | |
4 | #include "tests.h" | |
5 | ||
6 | /* Simulated format definitions. */ | |
7 | static struct test_format { | |
8 | const char *name; | |
9 | const char *value; | |
10 | } test_formats[] = { | |
11 | { "krava01", "config:0-1,62-63\n", }, | |
12 | { "krava02", "config:10-17\n", }, | |
13 | { "krava03", "config:5\n", }, | |
14 | { "krava11", "config1:0,2,4,6,8,20-28\n", }, | |
15 | { "krava12", "config1:63\n", }, | |
16 | { "krava13", "config1:45-47\n", }, | |
17 | { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", }, | |
18 | { "krava22", "config2:8,18,48,58\n", }, | |
19 | { "krava23", "config2:28-29,38\n", }, | |
20 | }; | |
21 | ||
cff7f956 | 22 | /* Simulated users input. */ |
6cee6cd3 | 23 | static struct parse_events_term test_terms[] = { |
cff7f956 JO |
24 | { |
25 | .config = (char *) "krava01", | |
26 | .val.num = 15, | |
27 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
28 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
29 | }, | |
30 | { | |
31 | .config = (char *) "krava02", | |
32 | .val.num = 170, | |
33 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
34 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
35 | }, | |
36 | { | |
37 | .config = (char *) "krava03", | |
38 | .val.num = 1, | |
39 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
40 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
41 | }, | |
42 | { | |
43 | .config = (char *) "krava11", | |
44 | .val.num = 27, | |
45 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
46 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
47 | }, | |
48 | { | |
49 | .config = (char *) "krava12", | |
50 | .val.num = 1, | |
51 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
52 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
53 | }, | |
54 | { | |
55 | .config = (char *) "krava13", | |
56 | .val.num = 2, | |
57 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
58 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
59 | }, | |
60 | { | |
61 | .config = (char *) "krava21", | |
62 | .val.num = 119, | |
63 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
64 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
65 | }, | |
66 | { | |
67 | .config = (char *) "krava22", | |
68 | .val.num = 11, | |
69 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
70 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
71 | }, | |
72 | { | |
73 | .config = (char *) "krava23", | |
74 | .val.num = 2, | |
75 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
76 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
77 | }, | |
78 | }; | |
cff7f956 JO |
79 | |
80 | /* | |
81 | * Prepare format directory data, exported by kernel | |
82 | * at /sys/bus/event_source/devices/<dev>/format. | |
83 | */ | |
84 | static char *test_format_dir_get(void) | |
85 | { | |
86 | static char dir[PATH_MAX]; | |
87 | unsigned int i; | |
88 | ||
89 | snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX"); | |
90 | if (!mkdtemp(dir)) | |
91 | return NULL; | |
92 | ||
be651ed9 | 93 | for (i = 0; i < ARRAY_SIZE(test_formats); i++) { |
cff7f956 JO |
94 | static char name[PATH_MAX]; |
95 | struct test_format *format = &test_formats[i]; | |
96 | FILE *file; | |
97 | ||
98 | snprintf(name, PATH_MAX, "%s/%s", dir, format->name); | |
99 | ||
100 | file = fopen(name, "w"); | |
101 | if (!file) | |
102 | return NULL; | |
103 | ||
104 | if (1 != fwrite(format->value, strlen(format->value), 1, file)) | |
105 | break; | |
106 | ||
107 | fclose(file); | |
108 | } | |
109 | ||
110 | return dir; | |
111 | } | |
112 | ||
113 | /* Cleanup format directory. */ | |
114 | static int test_format_dir_put(char *dir) | |
115 | { | |
116 | char buf[PATH_MAX]; | |
117 | snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir); | |
118 | if (system(buf)) | |
119 | return -1; | |
120 | ||
121 | snprintf(buf, PATH_MAX, "rmdir %s\n", dir); | |
122 | return system(buf); | |
123 | } | |
124 | ||
125 | static struct list_head *test_terms_list(void) | |
126 | { | |
127 | static LIST_HEAD(terms); | |
128 | unsigned int i; | |
129 | ||
be651ed9 | 130 | for (i = 0; i < ARRAY_SIZE(test_terms); i++) |
cff7f956 JO |
131 | list_add_tail(&test_terms[i].list, &terms); |
132 | ||
133 | return &terms; | |
134 | } | |
135 | ||
cff7f956 JO |
136 | int test__pmu(void) |
137 | { | |
138 | char *format = test_format_dir_get(); | |
139 | LIST_HEAD(formats); | |
140 | struct list_head *terms = test_terms_list(); | |
141 | int ret; | |
142 | ||
143 | if (!format) | |
144 | return -EINVAL; | |
145 | ||
146 | do { | |
147 | struct perf_event_attr attr; | |
148 | ||
149 | memset(&attr, 0, sizeof(attr)); | |
150 | ||
151 | ret = perf_pmu__format_parse(format, &formats); | |
152 | if (ret) | |
153 | break; | |
154 | ||
e64b020b JO |
155 | ret = perf_pmu__config_terms(&formats, &attr, terms, |
156 | false, NULL); | |
cff7f956 JO |
157 | if (ret) |
158 | break; | |
159 | ||
160 | ret = -EINVAL; | |
161 | ||
162 | if (attr.config != 0xc00000000002a823) | |
163 | break; | |
164 | if (attr.config1 != 0x8000400000000145) | |
165 | break; | |
166 | if (attr.config2 != 0x0400000020041d07) | |
167 | break; | |
168 | ||
169 | ret = 0; | |
170 | } while (0); | |
171 | ||
172 | test_format_dir_put(format); | |
173 | return ret; | |
174 | } |