1 // SPDX-License-Identifier: GPL-2.0
2 #include "parse-events.h"
8 #include <linux/kernel.h>
9 #include <linux/limits.h>
10 #include <linux/zalloc.h>
12 /* Simulated format definitions. */
13 static struct test_format {
17 { "krava01", "config:0-1,62-63\n", },
18 { "krava02", "config:10-17\n", },
19 { "krava03", "config:5\n", },
20 { "krava11", "config1:0,2,4,6,8,20-28\n", },
21 { "krava12", "config1:63\n", },
22 { "krava13", "config1:45-47\n", },
23 { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", },
24 { "krava22", "config2:8,18,48,58\n", },
25 { "krava23", "config2:28-29,38\n", },
28 /* Simulated users input. */
29 static struct parse_events_term test_terms[] = {
33 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
34 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
39 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
40 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
45 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
46 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
51 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
52 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
57 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
58 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
63 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
64 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
69 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
70 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
75 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
76 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
81 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
82 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
87 * Prepare format directory data, exported by kernel
88 * at /sys/bus/event_source/devices/<dev>/format.
90 static char *test_format_dir_get(char *dir, size_t sz)
94 snprintf(dir, sz, "/tmp/perf-pmu-test-format-XXXXXX");
98 for (i = 0; i < ARRAY_SIZE(test_formats); i++) {
100 struct test_format *format = &test_formats[i];
103 scnprintf(name, PATH_MAX, "%s/%s", dir, format->name);
105 file = fopen(name, "w");
109 if (1 != fwrite(format->value, strlen(format->value), 1, file))
118 /* Cleanup format directory. */
119 static int test_format_dir_put(char *dir)
121 char buf[PATH_MAX + 20];
123 snprintf(buf, sizeof(buf), "rm -f %s/*\n", dir);
127 snprintf(buf, sizeof(buf), "rmdir %s\n", dir);
131 static void add_test_terms(struct parse_events_terms *terms)
135 for (i = 0; i < ARRAY_SIZE(test_terms); i++) {
136 struct parse_events_term *clone;
138 parse_events_term__clone(&clone, &test_terms[i]);
139 list_add_tail(&clone->list, &terms->terms);
143 static int test__pmu(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
147 struct parse_events_terms terms;
148 struct perf_event_attr attr;
149 struct perf_pmu *pmu;
153 parse_events_terms__init(&terms);
154 add_test_terms(&terms);
155 pmu = zalloc(sizeof(*pmu));
157 parse_events_terms__exit(&terms);
161 INIT_LIST_HEAD(&pmu->format);
162 INIT_LIST_HEAD(&pmu->aliases);
163 INIT_LIST_HEAD(&pmu->caps);
164 format = test_format_dir_get(dir, sizeof(dir));
167 parse_events_terms__exit(&terms);
171 memset(&attr, 0, sizeof(attr));
173 fd = open(format, O_DIRECTORY);
179 pmu->name = strdup("perf-pmu-test");
180 ret = perf_pmu__format_parse(pmu, fd, /*eager_load=*/true);
184 ret = perf_pmu__config_terms(pmu, &attr, &terms, /*zero=*/false, /*err=*/NULL);
189 if (attr.config != 0xc00000000002a823)
191 if (attr.config1 != 0x8000400000000145)
193 if (attr.config2 != 0x0400000020041d07)
198 test_format_dir_put(format);
199 perf_pmu__delete(pmu);
200 parse_events_terms__exit(&terms);
204 DEFINE_SUITE("Parse perf pmu format", pmu);