Loading...
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 | // SPDX-License-Identifier: GPL-2.0 /* * Test support for libpfm4 event encodings. * * Copyright 2020 Google LLC. */ #include "tests.h" #include "util/debug.h" #include "util/evlist.h" #include "util/pfm.h" #include <linux/kernel.h> #ifdef HAVE_LIBPFM static int count_pfm_events(struct perf_evlist *evlist) { struct perf_evsel *evsel; int count = 0; perf_evlist__for_each_entry(evlist, evsel) { count++; } return count; } static int test__pfm_events(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { struct evlist *evlist; struct option opt; size_t i; const struct { const char *events; int nr_events; } table[] = { { .events = "", .nr_events = 0, }, { .events = "instructions", .nr_events = 1, }, { .events = "instructions,cycles", .nr_events = 2, }, { .events = "stereolab", .nr_events = 0, }, { .events = "instructions,instructions", .nr_events = 2, }, { .events = "stereolab,instructions", .nr_events = 0, }, { .events = "instructions,stereolab", .nr_events = 1, }, }; for (i = 0; i < ARRAY_SIZE(table); i++) { evlist = evlist__new(); if (evlist == NULL) return -ENOMEM; opt.value = evlist; parse_libpfm_events_option(&opt, table[i].events, 0); TEST_ASSERT_EQUAL(table[i].events, count_pfm_events(&evlist->core), table[i].nr_events); TEST_ASSERT_EQUAL(table[i].events, evlist__nr_groups(evlist), 0); evlist__delete(evlist); } return 0; } static int test__pfm_group(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { struct evlist *evlist; struct option opt; size_t i; const struct { const char *events; int nr_events; int nr_groups; } table[] = { { .events = "{},", .nr_events = 0, .nr_groups = 0, }, { .events = "{instructions}", .nr_events = 1, .nr_groups = 0, }, { .events = "{instructions},{}", .nr_events = 1, .nr_groups = 0, }, { .events = "{},{instructions}", .nr_events = 1, .nr_groups = 0, }, { .events = "{instructions},{instructions}", .nr_events = 2, .nr_groups = 0, }, { .events = "{instructions,cycles},{instructions,cycles}", .nr_events = 4, .nr_groups = 2, }, { .events = "{stereolab}", .nr_events = 0, .nr_groups = 0, }, { .events = "{instructions,cycles},{instructions,stereolab}", .nr_events = 3, .nr_groups = 1, }, { .events = "instructions}", .nr_events = 1, .nr_groups = 0, }, { .events = "{{instructions}}", .nr_events = 0, .nr_groups = 0, }, }; for (i = 0; i < ARRAY_SIZE(table); i++) { evlist = evlist__new(); if (evlist == NULL) return -ENOMEM; opt.value = evlist; parse_libpfm_events_option(&opt, table[i].events, 0); TEST_ASSERT_EQUAL(table[i].events, count_pfm_events(&evlist->core), table[i].nr_events); TEST_ASSERT_EQUAL(table[i].events, evlist__nr_groups(evlist), table[i].nr_groups); evlist__delete(evlist); } return 0; } #else static int test__pfm_events(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { return TEST_SKIP; } static int test__pfm_group(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { return TEST_SKIP; } #endif static struct test_case pfm_tests[] = { TEST_CASE_REASON("test of individual --pfm-events", pfm_events, "not compiled in"), TEST_CASE_REASON("test groups of --pfm-events", pfm_group, "not compiled in"), { .name = NULL, } }; struct test_suite suite__pfm = { .desc = "Test libpfm4 support", .test_cases = pfm_tests, }; |