tools/perf/tests/builtin-test.c

   1 /*
   2  * builtin-test.c
   3  *
   4  * Builtin regression testing command: ever growing number of sanity tests
   5  */
   6 #include "builtin.h"
   7
   8 #include "util/cache.h"
   9 #include "util/color.h"
  10 #include "util/debug.h"
  11 #include "util/debugfs.h"
  12 #include "util/evlist.h"
  13 #include "util/machine.h"
  14 #include "util/parse-options.h"
  15 #include "util/parse-events.h"
  16 #include "util/symbol.h"
  17 #include "util/thread_map.h"
  18 #include "util/pmu.h"
  19 #include "event-parse.h"
  20 #include "../../include/linux/hw_breakpoint.h"
  21
  22 #include <sys/mman.h>
  23
  24 #include "util/cpumap.h"
  25 #include "util/evsel.h"
  26 #include <sys/types.h>
  27
  28 #include "tests.h"
  29
  30 #include <sched.h>
  31
  32
  33 static int test__perf_pmu(void)
  34 {
  35         return perf_pmu__test();
  36 }
  37
  38 static struct test {
  39         const char *desc;
  40         int (*func)(void);
  41 } tests[] = {
  42         {
  43                 .desc = "vmlinux symtab matches kallsyms",
  44                 .func = test__vmlinux_matches_kallsyms,
  45         },
  46         {
  47                 .desc = "detect open syscall event",
  48                 .func = test__open_syscall_event,
  49         },
  50         {
  51                 .desc = "detect open syscall event on all cpus",
  52                 .func = test__open_syscall_event_on_all_cpus,
  53         },
  54         {
  55                 .desc = "read samples using the mmap interface",
  56                 .func = test__basic_mmap,
  57         },
  58         {
  59                 .desc = "parse events tests",
  60                 .func = parse_events__test,
  61         },
  62 #if defined(__x86_64__) || defined(__i386__)
  63         {
  64                 .desc = "x86 rdpmc test",
  65                 .func = test__rdpmc,
  66         },
  67 #endif
  68         {
  69                 .desc = "Validate PERF_RECORD_* events & perf_sample fields",
  70                 .func = test__PERF_RECORD,
  71         },
  72         {
  73                 .desc = "Test perf pmu format parsing",
  74                 .func = test__perf_pmu,
  75         },
  76         {
  77                 .desc = "Test dso data interface",
  78                 .func = dso__test_data,
  79         },
  80         {
  81                 .desc = "roundtrip evsel->name check",
  82                 .func = test__perf_evsel__roundtrip_name_test,
  83         },
  84         {
  85                 .desc = "Check parsing of sched tracepoints fields",
  86                 .func = test__perf_evsel__tp_sched_test,
  87         },
  88         {
  89                 .desc = "Generate and check syscalls:sys_enter_open event fields",
  90                 .func = test__syscall_open_tp_fields,
  91         },
  92         {
  93                 .desc = "struct perf_event_attr setup",
  94                 .func = test_attr__run,
  95         },
  96         {
  97                 .func = NULL,
  98         },
  99 };
 100
 101 static bool perf_test__matches(int curr, int argc, const char *argv[])
 102 {
 103         int i;
 104
 105         if (argc == 0)
 106                 return true;
 107
 108         for (i = 0; i < argc; ++i) {
 109                 char *end;
 110                 long nr = strtoul(argv[i], &end, 10);
 111
 112                 if (*end == '\0') {
 113                         if (nr == curr + 1)
 114                                 return true;
 115                         continue;
 116                 }
 117
 118                 if (strstr(tests[curr].desc, argv[i]))
 119                         return true;
 120         }
 121
 122         return false;
 123 }
 124
 125 static int __cmd_test(int argc, const char *argv[])
 126 {
 127         int i = 0;
 128         int width = 0;
 129
 130         while (tests[i].func) {
 131                 int len = strlen(tests[i].desc);
 132
 133                 if (width < len)
 134                         width = len;
 135                 ++i;
 136         }
 137
 138         i = 0;
 139         while (tests[i].func) {
 140                 int curr = i++, err;
 141
 142                 if (!perf_test__matches(curr, argc, argv))
 143                         continue;
 144
 145                 pr_info("%2d: %-*s:", i, width, tests[curr].desc);
 146                 pr_debug("\n--- start ---\n");
 147                 err = tests[curr].func();
 148                 pr_debug("---- end ----\n%s:", tests[curr].desc);
 149                 if (err)
 150                         color_fprintf(stderr, PERF_COLOR_RED, " FAILED!\n");
 151                 else
 152                         pr_info(" Ok\n");
 153         }
 154
 155         return 0;
 156 }
 157
 158 static int perf_test__list(int argc, const char **argv)
 159 {
 160         int i = 0;
 161
 162         while (tests[i].func) {
 163                 int curr = i++;
 164
 165                 if (argc > 1 && !strstr(tests[curr].desc, argv[1]))
 166                         continue;
 167
 168                 pr_info("%2d: %s\n", i, tests[curr].desc);
 169         }
 170
 171         return 0;
 172 }
 173
 174 int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused)
 175 {
 176         const char * const test_usage[] = {
 177         "perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]",
 178         NULL,
 179         };
 180         const struct option test_options[] = {
 181         OPT_INCR('v', "verbose", &verbose,
 182                     "be more verbose (show symbol address, etc)"),
 183         OPT_END()
 184         };
 185
 186         argc = parse_options(argc, argv, test_options, test_usage, 0);
 187         if (argc >= 1 && !strcmp(argv[0], "list"))
 188                 return perf_test__list(argc, argv);
 189
 190         symbol_conf.priv_size = sizeof(int);
 191         symbol_conf.sort_by_name = true;
 192         symbol_conf.try_vmlinux_path = true;
 193
 194         if (symbol__init() < 0)
 195                 return -1;
 196
 197         return __cmd_test(argc, argv);
 198 }