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(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
155		ret = perf_pmu__config_terms(&formats, &attr, terms, false);
156		if (ret)
157			break;
158
159		ret = -EINVAL;
160
161		if (attr.config  != 0xc00000000002a823)
162			break;
163		if (attr.config1 != 0x8000400000000145)
164			break;
165		if (attr.config2 != 0x0400000020041d07)
166			break;
167
168		ret = 0;
169	} while (0);
170
171	test_format_dir_put(format);
172	return ret;
173}
174