1
2#include "parse-events.h"
3#include "pmu.h"
4#include "util.h"
5#include "tests.h"
6#include <errno.h>
7#include <stdio.h>
8#include <linux/kernel.h>
9#include <linux/limits.h>
10
11
12static struct test_format {
13 const char *name;
14 const char *value;
15} test_formats[] = {
16 { "krava01", "config:0-1,62-63\n", },
17 { "krava02", "config:10-17\n", },
18 { "krava03", "config:5\n", },
19 { "krava11", "config1:0,2,4,6,8,20-28\n", },
20 { "krava12", "config1:63\n", },
21 { "krava13", "config1:45-47\n", },
22 { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", },
23 { "krava22", "config2:8,18,48,58\n", },
24 { "krava23", "config2:28-29,38\n", },
25};
26
27
28static struct parse_events_term test_terms[] = {
29 {
30 .config = (char *) "krava01",
31 .val.num = 15,
32 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
33 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
34 },
35 {
36 .config = (char *) "krava02",
37 .val.num = 170,
38 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
39 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
40 },
41 {
42 .config = (char *) "krava03",
43 .val.num = 1,
44 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
45 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
46 },
47 {
48 .config = (char *) "krava11",
49 .val.num = 27,
50 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
51 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
52 },
53 {
54 .config = (char *) "krava12",
55 .val.num = 1,
56 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
57 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
58 },
59 {
60 .config = (char *) "krava13",
61 .val.num = 2,
62 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
63 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
64 },
65 {
66 .config = (char *) "krava21",
67 .val.num = 119,
68 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
69 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
70 },
71 {
72 .config = (char *) "krava22",
73 .val.num = 11,
74 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
75 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
76 },
77 {
78 .config = (char *) "krava23",
79 .val.num = 2,
80 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
81 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
82 },
83};
84
85
86
87
88
89static char *test_format_dir_get(void)
90{
91 static char dir[PATH_MAX];
92 unsigned int i;
93
94 snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX");
95 if (!mkdtemp(dir))
96 return NULL;
97
98 for (i = 0; i < ARRAY_SIZE(test_formats); i++) {
99 static char name[PATH_MAX];
100 struct test_format *format = &test_formats[i];
101 FILE *file;
102
103 scnprintf(name, PATH_MAX, "%s/%s", dir, format->name);
104
105 file = fopen(name, "w");
106 if (!file)
107 return NULL;
108
109 if (1 != fwrite(format->value, strlen(format->value), 1, file))
110 break;
111
112 fclose(file);
113 }
114
115 return dir;
116}
117
118
119static int test_format_dir_put(char *dir)
120{
121 char buf[PATH_MAX];
122 snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir);
123 if (system(buf))
124 return -1;
125
126 snprintf(buf, PATH_MAX, "rmdir %s\n", dir);
127 return system(buf);
128}
129
130static struct list_head *test_terms_list(void)
131{
132 static LIST_HEAD(terms);
133 unsigned int i;
134
135 for (i = 0; i < ARRAY_SIZE(test_terms); i++)
136 list_add_tail(&test_terms[i].list, &terms);
137
138 return &terms;
139}
140
141int test__pmu(struct test *test __maybe_unused, int subtest __maybe_unused)
142{
143 char *format = test_format_dir_get();
144 LIST_HEAD(formats);
145 struct list_head *terms = test_terms_list();
146 int ret;
147
148 if (!format)
149 return -EINVAL;
150
151 do {
152 struct perf_event_attr attr;
153
154 memset(&attr, 0, sizeof(attr));
155
156 ret = perf_pmu__format_parse(format, &formats);
157 if (ret)
158 break;
159
160 ret = perf_pmu__config_terms(&formats, &attr, terms,
161 false, NULL);
162 if (ret)
163 break;
164
165 ret = -EINVAL;
166
167 if (attr.config != 0xc00000000002a823)
168 break;
169 if (attr.config1 != 0x8000400000000145)
170 break;
171 if (attr.config2 != 0x0400000020041d07)
172 break;
173
174 ret = 0;
175 } while (0);
176
177 test_format_dir_put(format);
178 return ret;
179}
180
