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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" | |
a43783ae | 5 | #include <errno.h> |
877a7a11 | 6 | #include <linux/kernel.h> |
cff7f956 JO |
7 | |
8 | /* Simulated format definitions. */ | |
9 | static struct test_format { | |
10 | const char *name; | |
11 | const char *value; | |
12 | } test_formats[] = { | |
13 | { "krava01", "config:0-1,62-63\n", }, | |
14 | { "krava02", "config:10-17\n", }, | |
15 | { "krava03", "config:5\n", }, | |
16 | { "krava11", "config1:0,2,4,6,8,20-28\n", }, | |
17 | { "krava12", "config1:63\n", }, | |
18 | { "krava13", "config1:45-47\n", }, | |
19 | { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", }, | |
20 | { "krava22", "config2:8,18,48,58\n", }, | |
21 | { "krava23", "config2:28-29,38\n", }, | |
22 | }; | |
23 | ||
cff7f956 | 24 | /* Simulated users input. */ |
6cee6cd3 | 25 | static struct parse_events_term test_terms[] = { |
cff7f956 JO |
26 | { |
27 | .config = (char *) "krava01", | |
28 | .val.num = 15, | |
29 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
30 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
31 | }, | |
32 | { | |
33 | .config = (char *) "krava02", | |
34 | .val.num = 170, | |
35 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
36 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
37 | }, | |
38 | { | |
39 | .config = (char *) "krava03", | |
40 | .val.num = 1, | |
41 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
42 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
43 | }, | |
44 | { | |
45 | .config = (char *) "krava11", | |
46 | .val.num = 27, | |
47 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
48 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
49 | }, | |
50 | { | |
51 | .config = (char *) "krava12", | |
52 | .val.num = 1, | |
53 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
54 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
55 | }, | |
56 | { | |
57 | .config = (char *) "krava13", | |
58 | .val.num = 2, | |
59 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
60 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
61 | }, | |
62 | { | |
63 | .config = (char *) "krava21", | |
64 | .val.num = 119, | |
65 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
66 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
67 | }, | |
68 | { | |
69 | .config = (char *) "krava22", | |
70 | .val.num = 11, | |
71 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
72 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
73 | }, | |
74 | { | |
75 | .config = (char *) "krava23", | |
76 | .val.num = 2, | |
77 | .type_val = PARSE_EVENTS__TERM_TYPE_NUM, | |
78 | .type_term = PARSE_EVENTS__TERM_TYPE_USER, | |
79 | }, | |
80 | }; | |
cff7f956 JO |
81 | |
82 | /* | |
83 | * Prepare format directory data, exported by kernel | |
84 | * at /sys/bus/event_source/devices/<dev>/format. | |
85 | */ | |
86 | static char *test_format_dir_get(void) | |
87 | { | |
88 | static char dir[PATH_MAX]; | |
89 | unsigned int i; | |
90 | ||
91 | snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX"); | |
92 | if (!mkdtemp(dir)) | |
93 | return NULL; | |
94 | ||
be651ed9 | 95 | for (i = 0; i < ARRAY_SIZE(test_formats); i++) { |
cff7f956 JO |
96 | static char name[PATH_MAX]; |
97 | struct test_format *format = &test_formats[i]; | |
98 | FILE *file; | |
99 | ||
100 | snprintf(name, PATH_MAX, "%s/%s", dir, format->name); | |
101 | ||
102 | file = fopen(name, "w"); | |
103 | if (!file) | |
104 | return NULL; | |
105 | ||
106 | if (1 != fwrite(format->value, strlen(format->value), 1, file)) | |
107 | break; | |
108 | ||
109 | fclose(file); | |
110 | } | |
111 | ||
112 | return dir; | |
113 | } | |
114 | ||
115 | /* Cleanup format directory. */ | |
116 | static int test_format_dir_put(char *dir) | |
117 | { | |
118 | char buf[PATH_MAX]; | |
119 | snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir); | |
120 | if (system(buf)) | |
121 | return -1; | |
122 | ||
123 | snprintf(buf, PATH_MAX, "rmdir %s\n", dir); | |
124 | return system(buf); | |
125 | } | |
126 | ||
127 | static struct list_head *test_terms_list(void) | |
128 | { | |
129 | static LIST_HEAD(terms); | |
130 | unsigned int i; | |
131 | ||
be651ed9 | 132 | for (i = 0; i < ARRAY_SIZE(test_terms); i++) |
cff7f956 JO |
133 | list_add_tail(&test_terms[i].list, &terms); |
134 | ||
135 | return &terms; | |
136 | } | |
137 | ||
721a1f53 | 138 | int test__pmu(int subtest __maybe_unused) |
cff7f956 JO |
139 | { |
140 | char *format = test_format_dir_get(); | |
141 | LIST_HEAD(formats); | |
142 | struct list_head *terms = test_terms_list(); | |
143 | int ret; | |
144 | ||
145 | if (!format) | |
146 | return -EINVAL; | |
147 | ||
148 | do { | |
149 | struct perf_event_attr attr; | |
150 | ||
151 | memset(&attr, 0, sizeof(attr)); | |
152 | ||
153 | ret = perf_pmu__format_parse(format, &formats); | |
154 | if (ret) | |
155 | break; | |
156 | ||
e64b020b JO |
157 | ret = perf_pmu__config_terms(&formats, &attr, terms, |
158 | false, NULL); | |
cff7f956 JO |
159 | if (ret) |
160 | break; | |
161 | ||
162 | ret = -EINVAL; | |
163 | ||
164 | if (attr.config != 0xc00000000002a823) | |
165 | break; | |
166 | if (attr.config1 != 0x8000400000000145) | |
167 | break; | |
168 | if (attr.config2 != 0x0400000020041d07) | |
169 | break; | |
170 | ||
171 | ret = 0; | |
172 | } while (0); | |
173 | ||
174 | test_format_dir_put(format); | |
175 | return ret; | |
176 | } |