1
2#include "parse-events.h"
3#include "pmu.h"
4#include "util.h"
5#include "tests.h"
6#include <errno.h>
7#include <linux/kernel.h>
8
9
10static struct test_format {
11 const char *name;
12 const char *value;
13} test_formats[] = {
14 { "krava01", "config:0-1,62-63\n", },
15 { "krava02", "config:10-17\n", },
16 { "krava03", "config:5\n", },
17 { "krava11", "config1:0,2,4,6,8,20-28\n", },
18 { "krava12", "config1:63\n", },
19 { "krava13", "config1:45-47\n", },
20 { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", },
21 { "krava22", "config2:8,18,48,58\n", },
22 { "krava23", "config2:28-29,38\n", },
23};
24
25
26static struct parse_events_term test_terms[] = {
27 {
28 .config = (char *) "krava01",
29 .val.num = 15,
30 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
31 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
32 },
33 {
34 .config = (char *) "krava02",
35 .val.num = 170,
36 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
37 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
38 },
39 {
40 .config = (char *) "krava03",
41 .val.num = 1,
42 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
43 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
44 },
45 {
46 .config = (char *) "krava11",
47 .val.num = 27,
48 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
49 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
50 },
51 {
52 .config = (char *) "krava12",
53 .val.num = 1,
54 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
55 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
56 },
57 {
58 .config = (char *) "krava13",
59 .val.num = 2,
60 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
61 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
62 },
63 {
64 .config = (char *) "krava21",
65 .val.num = 119,
66 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
67 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
68 },
69 {
70 .config = (char *) "krava22",
71 .val.num = 11,
72 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
73 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
74 },
75 {
76 .config = (char *) "krava23",
77 .val.num = 2,
78 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
79 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
80 },
81};
82
83
84
85
86
87static char *test_format_dir_get(void)
88{
89 static char dir[PATH_MAX];
90 unsigned int i;
91
92 snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX");
93 if (!mkdtemp(dir))
94 return NULL;
95
96 for (i = 0; i < ARRAY_SIZE(test_formats); i++) {
97 static char name[PATH_MAX];
98 struct test_format *format = &test_formats[i];
99 FILE *file;
100
101 scnprintf(name, PATH_MAX, "%s/%s", dir, format->name);
102
103 file = fopen(name, "w");
104 if (!file)
105 return NULL;
106
107 if (1 != fwrite(format->value, strlen(format->value), 1, file))
108 break;
109
110 fclose(file);
111 }
112
113 return dir;
114}
115
116
117static int test_format_dir_put(char *dir)
118{
119 char buf[PATH_MAX];
120 snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir);
121 if (system(buf))
122 return -1;
123
124 snprintf(buf, PATH_MAX, "rmdir %s\n", dir);
125 return system(buf);
126}
127
128static struct list_head *test_terms_list(void)
129{
130 static LIST_HEAD(terms);
131 unsigned int i;
132
133 for (i = 0; i < ARRAY_SIZE(test_terms); i++)
134 list_add_tail(&test_terms[i].list, &terms);
135
136 return &terms;
137}
138
139int test__pmu(struct test *test __maybe_unused, int subtest __maybe_unused)
140{
141 char *format = test_format_dir_get();
142 LIST_HEAD(formats);
143 struct list_head *terms = test_terms_list();
144 int ret;
145
146 if (!format)
147 return -EINVAL;
148
149 do {
150 struct perf_event_attr attr;
151
152 memset(&attr, 0, sizeof(attr));
153
154 ret = perf_pmu__format_parse(format, &formats);
155 if (ret)
156 break;
157
158 ret = perf_pmu__config_terms(&formats, &attr, terms,
159 false, NULL);
160 if (ret)
161 break;
162
163 ret = -EINVAL;
164
165 if (attr.config != 0xc00000000002a823)
166 break;
167 if (attr.config1 != 0x8000400000000145)
168 break;
169 if (attr.config2 != 0x0400000020041d07)
170 break;
171
172 ret = 0;
173 } while (0);
174
175 test_format_dir_put(format);
176 return ret;
177}
178