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}