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1// SPDX-License-Identifier: GPL-2.0
2#include "parse-events.h"
3#include "pmu.h"
4#include "tests.h"
5#include <errno.h>
6#include <stdio.h>
7#include <linux/kernel.h>
8#include <linux/limits.h>
9
10/* Simulated format definitions. */
11static struct test_format {
12 const char *name;
13 const char *value;
14} test_formats[] = {
15 { "krava01", "config:0-1,62-63\n", },
16 { "krava02", "config:10-17\n", },
17 { "krava03", "config:5\n", },
18 { "krava11", "config1:0,2,4,6,8,20-28\n", },
19 { "krava12", "config1:63\n", },
20 { "krava13", "config1:45-47\n", },
21 { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", },
22 { "krava22", "config2:8,18,48,58\n", },
23 { "krava23", "config2:28-29,38\n", },
24};
25
26/* Simulated users input. */
27static struct parse_events_term test_terms[] = {
28 {
29 .config = (char *) "krava01",
30 .val.num = 15,
31 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
32 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
33 },
34 {
35 .config = (char *) "krava02",
36 .val.num = 170,
37 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
38 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
39 },
40 {
41 .config = (char *) "krava03",
42 .val.num = 1,
43 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
44 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
45 },
46 {
47 .config = (char *) "krava11",
48 .val.num = 27,
49 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
50 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
51 },
52 {
53 .config = (char *) "krava12",
54 .val.num = 1,
55 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
56 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
57 },
58 {
59 .config = (char *) "krava13",
60 .val.num = 2,
61 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
62 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
63 },
64 {
65 .config = (char *) "krava21",
66 .val.num = 119,
67 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
68 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
69 },
70 {
71 .config = (char *) "krava22",
72 .val.num = 11,
73 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
74 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
75 },
76 {
77 .config = (char *) "krava23",
78 .val.num = 2,
79 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
80 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
81 },
82};
83
84/*
85 * Prepare format directory data, exported by kernel
86 * at /sys/bus/event_source/devices/<dev>/format.
87 */
88static char *test_format_dir_get(void)
89{
90 static char dir[PATH_MAX];
91 unsigned int i;
92
93 snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX");
94 if (!mkdtemp(dir))
95 return NULL;
96
97 for (i = 0; i < ARRAY_SIZE(test_formats); i++) {
98 static char name[PATH_MAX];
99 struct test_format *format = &test_formats[i];
100 FILE *file;
101
102 scnprintf(name, PATH_MAX, "%s/%s", dir, format->name);
103
104 file = fopen(name, "w");
105 if (!file)
106 return NULL;
107
108 if (1 != fwrite(format->value, strlen(format->value), 1, file))
109 break;
110
111 fclose(file);
112 }
113
114 return dir;
115}
116
117/* Cleanup format directory. */
118static int test_format_dir_put(char *dir)
119{
120 char buf[PATH_MAX];
121 snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir);
122 if (system(buf))
123 return -1;
124
125 snprintf(buf, PATH_MAX, "rmdir %s\n", dir);
126 return system(buf);
127}
128
129static struct list_head *test_terms_list(void)
130{
131 static LIST_HEAD(terms);
132 unsigned int i;
133
134 for (i = 0; i < ARRAY_SIZE(test_terms); i++)
135 list_add_tail(&test_terms[i].list, &terms);
136
137 return &terms;
138}
139
140int test__pmu(struct test *test __maybe_unused, int subtest __maybe_unused)
141{
142 char *format = test_format_dir_get();
143 LIST_HEAD(formats);
144 struct list_head *terms = test_terms_list();
145 int ret;
146
147 if (!format)
148 return -EINVAL;
149
150 do {
151 struct perf_event_attr attr;
152
153 memset(&attr, 0, sizeof(attr));
154
155 ret = perf_pmu__format_parse(format, &formats);
156 if (ret)
157 break;
158
159 ret = perf_pmu__config_terms(&formats, &attr, terms,
160 false, NULL);
161 if (ret)
162 break;
163
164 ret = -EINVAL;
165
166 if (attr.config != 0xc00000000002a823)
167 break;
168 if (attr.config1 != 0x8000400000000145)
169 break;
170 if (attr.config2 != 0x0400000020041d07)
171 break;
172
173 ret = 0;
174 } while (0);
175
176 test_format_dir_put(format);
177 return ret;
178}
1#include "parse-events.h"
2#include "pmu.h"
3#include "util.h"
4#include "tests.h"
5
6/* Simulated format definitions. */
7static 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
22/* Simulated users input. */
23static struct parse_events_term test_terms[] = {
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};
79
80/*
81 * Prepare format directory data, exported by kernel
82 * at /sys/bus/event_source/devices/<dev>/format.
83 */
84static 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
93 for (i = 0; i < ARRAY_SIZE(test_formats); i++) {
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. */
114static 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
125static struct list_head *test_terms_list(void)
126{
127 static LIST_HEAD(terms);
128 unsigned int i;
129
130 for (i = 0; i < ARRAY_SIZE(test_terms); i++)
131 list_add_tail(&test_terms[i].list, &terms);
132
133 return &terms;
134}
135
136int test__pmu(int subtest __maybe_unused)
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
155 ret = perf_pmu__config_terms(&formats, &attr, terms,
156 false, NULL);
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}