1 /* 2 * builtin-test.c 3 * 4 * Builtin regression testing command: ever growing number of sanity tests 5 */ 6 #include "builtin.h" 7 #include "tests.h" 8 #include "debug.h" 9 #include "color.h" 10 #include "parse-options.h" 11 #include "symbol.h" 12 13 static struct test { 14 const char *desc; 15 int (*func)(void); 16 } tests[] = { 17 { 18 .desc = "vmlinux symtab matches kallsyms", 19 .func = test__vmlinux_matches_kallsyms, 20 }, 21 { 22 .desc = "detect open syscall event", 23 .func = test__open_syscall_event, 24 }, 25 { 26 .desc = "detect open syscall event on all cpus", 27 .func = test__open_syscall_event_on_all_cpus, 28 }, 29 { 30 .desc = "read samples using the mmap interface", 31 .func = test__basic_mmap, 32 }, 33 { 34 .desc = "parse events tests", 35 .func = test__parse_events, 36 }, 37 #if defined(__x86_64__) || defined(__i386__) 38 { 39 .desc = "x86 rdpmc test", 40 .func = test__rdpmc, 41 }, 42 #endif 43 { 44 .desc = "Validate PERF_RECORD_* events & perf_sample fields", 45 .func = test__PERF_RECORD, 46 }, 47 { 48 .desc = "Test perf pmu format parsing", 49 .func = test__pmu, 50 }, 51 { 52 .desc = "Test dso data interface", 53 .func = test__dso_data, 54 }, 55 { 56 .desc = "roundtrip evsel->name check", 57 .func = test__perf_evsel__roundtrip_name_test, 58 }, 59 { 60 .desc = "Check parsing of sched tracepoints fields", 61 .func = test__perf_evsel__tp_sched_test, 62 }, 63 { 64 .desc = "Generate and check syscalls:sys_enter_open event fields", 65 .func = test__syscall_open_tp_fields, 66 }, 67 { 68 .desc = "struct perf_event_attr setup", 69 .func = test__attr, 70 }, 71 { 72 .func = NULL, 73 }, 74 }; 75 76 static bool perf_test__matches(int curr, int argc, const char *argv[]) 77 { 78 int i; 79 80 if (argc == 0) 81 return true; 82 83 for (i = 0; i < argc; ++i) { 84 char *end; 85 long nr = strtoul(argv[i], &end, 10); 86 87 if (*end == '\0') { 88 if (nr == curr + 1) 89 return true; 90 continue; 91 } 92 93 if (strstr(tests[curr].desc, argv[i])) 94 return true; 95 } 96 97 return false; 98 } 99 100 static int __cmd_test(int argc, const char *argv[]) 101 { 102 int i = 0; 103 int width = 0; 104 105 while (tests[i].func) { 106 int len = strlen(tests[i].desc); 107 108 if (width < len) 109 width = len; 110 ++i; 111 } 112 113 i = 0; 114 while (tests[i].func) { 115 int curr = i++, err; 116 117 if (!perf_test__matches(curr, argc, argv)) 118 continue; 119 120 pr_info("%2d: %-*s:", i, width, tests[curr].desc); 121 pr_debug("\n--- start ---\n"); 122 err = tests[curr].func(); 123 pr_debug("---- end ----\n%s:", tests[curr].desc); 124 if (err) 125 color_fprintf(stderr, PERF_COLOR_RED, " FAILED!\n"); 126 else 127 pr_info(" Ok\n"); 128 } 129 130 return 0; 131 } 132 133 static int perf_test__list(int argc, const char **argv) 134 { 135 int i = 0; 136 137 while (tests[i].func) { 138 int curr = i++; 139 140 if (argc > 1 && !strstr(tests[curr].desc, argv[1])) 141 continue; 142 143 pr_info("%2d: %s\n", i, tests[curr].desc); 144 } 145 146 return 0; 147 } 148 149 int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused) 150 { 151 const char * const test_usage[] = { 152 "perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]", 153 NULL, 154 }; 155 const struct option test_options[] = { 156 OPT_INCR('v', "verbose", &verbose, 157 "be more verbose (show symbol address, etc)"), 158 OPT_END() 159 }; 160 161 argc = parse_options(argc, argv, test_options, test_usage, 0); 162 if (argc >= 1 && !strcmp(argv[0], "list")) 163 return perf_test__list(argc, argv); 164 165 symbol_conf.priv_size = sizeof(int); 166 symbol_conf.sort_by_name = true; 167 symbol_conf.try_vmlinux_path = true; 168 169 if (symbol__init() < 0) 170 return -1; 171 172 return __cmd_test(argc, argv); 173 } 174