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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 | // SPDX-License-Identifier: GPL-2.0 #include "parse-events.h" #include "pmu.h" #include "tests.h" #include <errno.h> #include <stdio.h> #include <linux/kernel.h> #include <linux/limits.h> /* Simulated format definitions. */ static struct test_format { const char *name; const char *value; } test_formats[] = { { "krava01", "config:0-1,62-63\n", }, { "krava02", "config:10-17\n", }, { "krava03", "config:5\n", }, { "krava11", "config1:0,2,4,6,8,20-28\n", }, { "krava12", "config1:63\n", }, { "krava13", "config1:45-47\n", }, { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", }, { "krava22", "config2:8,18,48,58\n", }, { "krava23", "config2:28-29,38\n", }, }; /* Simulated users input. */ static struct parse_events_term test_terms[] = { { .config = (char *) "krava01", .val.num = 15, .type_val = PARSE_EVENTS__TERM_TYPE_NUM, .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { .config = (char *) "krava02", .val.num = 170, .type_val = PARSE_EVENTS__TERM_TYPE_NUM, .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { .config = (char *) "krava03", .val.num = 1, .type_val = PARSE_EVENTS__TERM_TYPE_NUM, .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { .config = (char *) "krava11", .val.num = 27, .type_val = PARSE_EVENTS__TERM_TYPE_NUM, .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { .config = (char *) "krava12", .val.num = 1, .type_val = PARSE_EVENTS__TERM_TYPE_NUM, .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { .config = (char *) "krava13", .val.num = 2, .type_val = PARSE_EVENTS__TERM_TYPE_NUM, .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { .config = (char *) "krava21", .val.num = 119, .type_val = PARSE_EVENTS__TERM_TYPE_NUM, .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { .config = (char *) "krava22", .val.num = 11, .type_val = PARSE_EVENTS__TERM_TYPE_NUM, .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { .config = (char *) "krava23", .val.num = 2, .type_val = PARSE_EVENTS__TERM_TYPE_NUM, .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, }; /* * Prepare format directory data, exported by kernel * at /sys/bus/event_source/devices/<dev>/format. */ static char *test_format_dir_get(void) { static char dir[PATH_MAX]; unsigned int i; snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX"); if (!mkdtemp(dir)) return NULL; for (i = 0; i < ARRAY_SIZE(test_formats); i++) { static char name[PATH_MAX]; struct test_format *format = &test_formats[i]; FILE *file; scnprintf(name, PATH_MAX, "%s/%s", dir, format->name); file = fopen(name, "w"); if (!file) return NULL; if (1 != fwrite(format->value, strlen(format->value), 1, file)) break; fclose(file); } return dir; } /* Cleanup format directory. */ static int test_format_dir_put(char *dir) { char buf[PATH_MAX]; snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir); if (system(buf)) return -1; snprintf(buf, PATH_MAX, "rmdir %s\n", dir); return system(buf); } static struct list_head *test_terms_list(void) { static LIST_HEAD(terms); unsigned int i; for (i = 0; i < ARRAY_SIZE(test_terms); i++) list_add_tail(&test_terms[i].list, &terms); return &terms; } static int test__pmu(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { char *format = test_format_dir_get(); LIST_HEAD(formats); struct list_head *terms = test_terms_list(); int ret; if (!format) return -EINVAL; do { struct perf_event_attr attr; memset(&attr, 0, sizeof(attr)); ret = perf_pmu__format_parse(format, &formats); if (ret) break; ret = perf_pmu__config_terms("perf-pmu-test", &formats, &attr, terms, false, NULL); if (ret) break; ret = -EINVAL; if (attr.config != 0xc00000000002a823) break; if (attr.config1 != 0x8000400000000145) break; if (attr.config2 != 0x0400000020041d07) break; ret = 0; } while (0); perf_pmu__del_formats(&formats); test_format_dir_put(format); return ret; } DEFINE_SUITE("Parse perf pmu format", pmu); |