tools/perf/tests/builtin-test.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * builtin-test.c
   4  *
   5  * Builtin regression testing command: ever growing number of sanity tests
   6  */
   7 #include <fcntl.h>
   8 #include <errno.h>
   9 #include <unistd.h>
  10 #include <string.h>
  11 #include <stdlib.h>
  12 #include <sys/types.h>
  13 #include <dirent.h>
  14 #include <sys/wait.h>
  15 #include <sys/stat.h>
  16 #include "builtin.h"
  17 #include "hist.h"
  18 #include "intlist.h"
  19 #include "tests.h"
  20 #include "debug.h"
  21 #include "color.h"
  22 #include <subcmd/parse-options.h>
  23 #include "string2.h"
  24 #include "symbol.h"
  25 #include "util/rlimit.h"
  26 #include <linux/kernel.h>
  27 #include <linux/string.h>
  28 #include <subcmd/exec-cmd.h>
  29
  30 static bool dont_fork;
  31
  32 struct test __weak arch_tests[] = {
  33         {
  34                 .func = NULL,
  35         },
  36 };
  37
  38 static struct test generic_tests[] = {
  39         {
  40                 .desc = "vmlinux symtab matches kallsyms",
  41                 .func = test__vmlinux_matches_kallsyms,
  42         },
  43         {
  44                 .desc = "Detect openat syscall event",
  45                 .func = test__openat_syscall_event,
  46         },
  47         {
  48                 .desc = "Detect openat syscall event on all cpus",
  49                 .func = test__openat_syscall_event_on_all_cpus,
  50         },
  51         {
  52                 .desc = "Read samples using the mmap interface",
  53                 .func = test__basic_mmap,
  54         },
  55         {
  56                 .desc = "Test data source output",
  57                 .func = test__mem,
  58         },
  59         {
  60                 .desc = "Parse event definition strings",
  61                 .func = test__parse_events,
  62         },
  63         {
  64                 .desc = "Simple expression parser",
  65                 .func = test__expr,
  66         },
  67         {
  68                 .desc = "PERF_RECORD_* events & perf_sample fields",
  69                 .func = test__PERF_RECORD,
  70         },
  71         {
  72                 .desc = "Parse perf pmu format",
  73                 .func = test__pmu,
  74         },
  75         {
  76                 .desc = "PMU events",
  77                 .func = test__pmu_events,
  78                 .subtest = {
  79                         .skip_if_fail   = false,
  80                         .get_nr         = test__pmu_events_subtest_get_nr,
  81                         .get_desc       = test__pmu_events_subtest_get_desc,
  82                         .skip_reason    = test__pmu_events_subtest_skip_reason,
  83                 },
  84
  85         },
  86         {
  87                 .desc = "DSO data read",
  88                 .func = test__dso_data,
  89         },
  90         {
  91                 .desc = "DSO data cache",
  92                 .func = test__dso_data_cache,
  93         },
  94         {
  95                 .desc = "DSO data reopen",
  96                 .func = test__dso_data_reopen,
  97         },
  98         {
  99                 .desc = "Roundtrip evsel->name",
 100                 .func = test__perf_evsel__roundtrip_name_test,
 101         },
 102         {
 103                 .desc = "Parse sched tracepoints fields",
 104                 .func = test__perf_evsel__tp_sched_test,
 105         },
 106         {
 107                 .desc = "syscalls:sys_enter_openat event fields",
 108                 .func = test__syscall_openat_tp_fields,
 109         },
 110         {
 111                 .desc = "Setup struct perf_event_attr",
 112                 .func = test__attr,
 113         },
 114         {
 115                 .desc = "Match and link multiple hists",
 116                 .func = test__hists_link,
 117         },
 118         {
 119                 .desc = "'import perf' in python",
 120                 .func = test__python_use,
 121         },
 122         {
 123                 .desc = "Breakpoint overflow signal handler",
 124                 .func = test__bp_signal,
 125                 .is_supported = test__bp_signal_is_supported,
 126         },
 127         {
 128                 .desc = "Breakpoint overflow sampling",
 129                 .func = test__bp_signal_overflow,
 130                 .is_supported = test__bp_signal_is_supported,
 131         },
 132         {
 133                 .desc = "Breakpoint accounting",
 134                 .func = test__bp_accounting,
 135                 .is_supported = test__bp_account_is_supported,
 136         },
 137         {
 138                 .desc = "Watchpoint",
 139                 .func = test__wp,
 140                 .is_supported = test__wp_is_supported,
 141                 .subtest = {
 142                         .skip_if_fail   = false,
 143                         .get_nr         = test__wp_subtest_get_nr,
 144                         .get_desc       = test__wp_subtest_get_desc,
 145                 },
 146         },
 147         {
 148                 .desc = "Number of exit events of a simple workload",
 149                 .func = test__task_exit,
 150         },
 151         {
 152                 .desc = "Software clock events period values",
 153                 .func = test__sw_clock_freq,
 154         },
 155         {
 156                 .desc = "Object code reading",
 157                 .func = test__code_reading,
 158         },
 159         {
 160                 .desc = "Sample parsing",
 161                 .func = test__sample_parsing,
 162         },
 163         {
 164                 .desc = "Use a dummy software event to keep tracking",
 165                 .func = test__keep_tracking,
 166         },
 167         {
 168                 .desc = "Parse with no sample_id_all bit set",
 169                 .func = test__parse_no_sample_id_all,
 170         },
 171         {
 172                 .desc = "Filter hist entries",
 173                 .func = test__hists_filter,
 174         },
 175         {
 176                 .desc = "Lookup mmap thread",
 177                 .func = test__mmap_thread_lookup,
 178         },
 179         {
 180                 .desc = "Share thread maps",
 181                 .func = test__thread_maps_share,
 182         },
 183         {
 184                 .desc = "Sort output of hist entries",
 185                 .func = test__hists_output,
 186         },
 187         {
 188                 .desc = "Cumulate child hist entries",
 189                 .func = test__hists_cumulate,
 190         },
 191         {
 192                 .desc = "Track with sched_switch",
 193                 .func = test__switch_tracking,
 194         },
 195         {
 196                 .desc = "Filter fds with revents mask in a fdarray",
 197                 .func = test__fdarray__filter,
 198         },
 199         {
 200                 .desc = "Add fd to a fdarray, making it autogrow",
 201                 .func = test__fdarray__add,
 202         },
 203         {
 204                 .desc = "kmod_path__parse",
 205                 .func = test__kmod_path__parse,
 206         },
 207         {
 208                 .desc = "Thread map",
 209                 .func = test__thread_map,
 210         },
 211         {
 212                 .desc = "LLVM search and compile",
 213                 .func = test__llvm,
 214                 .subtest = {
 215                         .skip_if_fail   = true,
 216                         .get_nr         = test__llvm_subtest_get_nr,
 217                         .get_desc       = test__llvm_subtest_get_desc,
 218                 },
 219         },
 220         {
 221                 .desc = "Session topology",
 222                 .func = test__session_topology,
 223         },
 224         {
 225                 .desc = "BPF filter",
 226                 .func = test__bpf,
 227                 .subtest = {
 228                         .skip_if_fail   = true,
 229                         .get_nr         = test__bpf_subtest_get_nr,
 230                         .get_desc       = test__bpf_subtest_get_desc,
 231                 },
 232         },
 233         {
 234                 .desc = "Synthesize thread map",
 235                 .func = test__thread_map_synthesize,
 236         },
 237         {
 238                 .desc = "Remove thread map",
 239                 .func = test__thread_map_remove,
 240         },
 241         {
 242                 .desc = "Synthesize cpu map",
 243                 .func = test__cpu_map_synthesize,
 244         },
 245         {
 246                 .desc = "Synthesize stat config",
 247                 .func = test__synthesize_stat_config,
 248         },
 249         {
 250                 .desc = "Synthesize stat",
 251                 .func = test__synthesize_stat,
 252         },
 253         {
 254                 .desc = "Synthesize stat round",
 255                 .func = test__synthesize_stat_round,
 256         },
 257         {
 258                 .desc = "Synthesize attr update",
 259                 .func = test__event_update,
 260         },
 261         {
 262                 .desc = "Event times",
 263                 .func = test__event_times,
 264         },
 265         {
 266                 .desc = "Read backward ring buffer",
 267                 .func = test__backward_ring_buffer,
 268         },
 269         {
 270                 .desc = "Print cpu map",
 271                 .func = test__cpu_map_print,
 272         },
 273         {
 274                 .desc = "Merge cpu map",
 275                 .func = test__cpu_map_merge,
 276         },
 277
 278         {
 279                 .desc = "Probe SDT events",
 280                 .func = test__sdt_event,
 281         },
 282         {
 283                 .desc = "is_printable_array",
 284                 .func = test__is_printable_array,
 285         },
 286         {
 287                 .desc = "Print bitmap",
 288                 .func = test__bitmap_print,
 289         },
 290         {
 291                 .desc = "perf hooks",
 292                 .func = test__perf_hooks,
 293         },
 294         {
 295                 .desc = "builtin clang support",
 296                 .func = test__clang,
 297                 .subtest = {
 298                         .skip_if_fail   = true,
 299                         .get_nr         = test__clang_subtest_get_nr,
 300                         .get_desc       = test__clang_subtest_get_desc,
 301                 }
 302         },
 303         {
 304                 .desc = "unit_number__scnprintf",
 305                 .func = test__unit_number__scnprint,
 306         },
 307         {
 308                 .desc = "mem2node",
 309                 .func = test__mem2node,
 310         },
 311         {
 312                 .desc = "time utils",
 313                 .func = test__time_utils,
 314         },
 315         {
 316                 .desc = "Test jit_write_elf",
 317                 .func = test__jit_write_elf,
 318         },
 319         {
 320                 .desc = "Test libpfm4 support",
 321                 .func = test__pfm,
 322                 .subtest = {
 323                         .skip_if_fail   = true,
 324                         .get_nr         = test__pfm_subtest_get_nr,
 325                         .get_desc       = test__pfm_subtest_get_desc,
 326                 }
 327         },
 328         {
 329                 .desc = "Test api io",
 330                 .func = test__api_io,
 331         },
 332         {
 333                 .desc = "maps__merge_in",
 334                 .func = test__maps__merge_in,
 335         },
 336         {
 337                 .desc = "Demangle Java",
 338                 .func = test__demangle_java,
 339         },
 340         {
 341                 .desc = "Parse and process metrics",
 342                 .func = test__parse_metric,
 343         },
 344         {
 345                 .desc = "PE file support",
 346                 .func = test__pe_file_parsing,
 347         },
 348         {
 349                 .desc = "Event expansion for cgroups",
 350                 .func = test__expand_cgroup_events,
 351         },
 352         {
 353                 .func = NULL,
 354         },
 355 };
 356
 357 static struct test *tests[] = {
 358         generic_tests,
 359         arch_tests,
 360 };
 361
 362 static bool perf_test__matches(const char *desc, int curr, int argc, const char *argv[])
 363 {
 364         int i;
 365
 366         if (argc == 0)
 367                 return true;
 368
 369         for (i = 0; i < argc; ++i) {
 370                 char *end;
 371                 long nr = strtoul(argv[i], &end, 10);
 372
 373                 if (*end == '\0') {
 374                         if (nr == curr + 1)
 375                                 return true;
 376                         continue;
 377                 }
 378
 379                 if (strcasestr(desc, argv[i]))
 380                         return true;
 381         }
 382
 383         return false;
 384 }
 385
 386 static int run_test(struct test *test, int subtest)
 387 {
 388         int status, err = -1, child = dont_fork ? 0 : fork();
 389         char sbuf[STRERR_BUFSIZE];
 390
 391         if (child < 0) {
 392                 pr_err("failed to fork test: %s\n",
 393                         str_error_r(errno, sbuf, sizeof(sbuf)));
 394                 return -1;
 395         }
 396
 397         if (!child) {
 398                 if (!dont_fork) {
 399                         pr_debug("test child forked, pid %d\n", getpid());
 400
 401                         if (verbose <= 0) {
 402                                 int nullfd = open("/dev/null", O_WRONLY);
 403
 404                                 if (nullfd >= 0) {
 405                                         close(STDERR_FILENO);
 406                                         close(STDOUT_FILENO);
 407
 408                                         dup2(nullfd, STDOUT_FILENO);
 409                                         dup2(STDOUT_FILENO, STDERR_FILENO);
 410                                         close(nullfd);
 411                                 }
 412                         } else {
 413                                 signal(SIGSEGV, sighandler_dump_stack);
 414                                 signal(SIGFPE, sighandler_dump_stack);
 415                         }
 416                 }
 417
 418                 err = test->func(test, subtest);
 419                 if (!dont_fork)
 420                         exit(err);
 421         }
 422
 423         if (!dont_fork) {
 424                 wait(&status);
 425
 426                 if (WIFEXITED(status)) {
 427                         err = (signed char)WEXITSTATUS(status);
 428                         pr_debug("test child finished with %d\n", err);
 429                 } else if (WIFSIGNALED(status)) {
 430                         err = -1;
 431                         pr_debug("test child interrupted\n");
 432                 }
 433         }
 434
 435         return err;
 436 }
 437
 438 #define for_each_test(j, t)                                     \
 439         for (j = 0; j < ARRAY_SIZE(tests); j++) \
 440                 for (t = &tests[j][0]; t->func; t++)
 441
 442 static int test_and_print(struct test *t, bool force_skip, int subtest)
 443 {
 444         int err;
 445
 446         if (!force_skip) {
 447                 pr_debug("\n--- start ---\n");
 448                 err = run_test(t, subtest);
 449                 pr_debug("---- end ----\n");
 450         } else {
 451                 pr_debug("\n--- force skipped ---\n");
 452                 err = TEST_SKIP;
 453         }
 454
 455         if (!t->subtest.get_nr)
 456                 pr_debug("%s:", t->desc);
 457         else
 458                 pr_debug("%s subtest %d:", t->desc, subtest + 1);
 459
 460         switch (err) {
 461         case TEST_OK:
 462                 pr_info(" Ok\n");
 463                 break;
 464         case TEST_SKIP: {
 465                 const char *skip_reason = NULL;
 466                 if (t->subtest.skip_reason)
 467                         skip_reason = t->subtest.skip_reason(subtest);
 468                 if (skip_reason)
 469                         color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (%s)\n", skip_reason);
 470                 else
 471                         color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip\n");
 472         }
 473                 break;
 474         case TEST_FAIL:
 475         default:
 476                 color_fprintf(stderr, PERF_COLOR_RED, " FAILED!\n");
 477                 break;
 478         }
 479
 480         return err;
 481 }
 482
 483 static const char *shell_test__description(char *description, size_t size,
 484                                            const char *path, const char *name)
 485 {
 486         FILE *fp;
 487         char filename[PATH_MAX];
 488
 489         path__join(filename, sizeof(filename), path, name);
 490         fp = fopen(filename, "r");
 491         if (!fp)
 492                 return NULL;
 493
 494         /* Skip shebang */
 495         while (fgetc(fp) != '\n');
 496
 497         description = fgets(description, size, fp);
 498         fclose(fp);
 499
 500         return description ? strim(description + 1) : NULL;
 501 }
 502
 503 #define for_each_shell_test(dir, base, ent)     \
 504         while ((ent = readdir(dir)) != NULL)    \
 505                 if (!is_directory(base, ent) && ent->d_name[0] != '.')
 506
 507 static const char *shell_tests__dir(char *path, size_t size)
 508 {
 509         const char *devel_dirs[] = { "./tools/perf/tests", "./tests", };
 510         char *exec_path;
 511         unsigned int i;
 512
 513         for (i = 0; i < ARRAY_SIZE(devel_dirs); ++i) {
 514                 struct stat st;
 515                 if (!lstat(devel_dirs[i], &st)) {
 516                         scnprintf(path, size, "%s/shell", devel_dirs[i]);
 517                         if (!lstat(devel_dirs[i], &st))
 518                                 return path;
 519                 }
 520         }
 521
 522         /* Then installed path. */
 523         exec_path = get_argv_exec_path();
 524         scnprintf(path, size, "%s/tests/shell", exec_path);
 525         free(exec_path);
 526         return path;
 527 }
 528
 529 static int shell_tests__max_desc_width(void)
 530 {
 531         DIR *dir;
 532         struct dirent *ent;
 533         char path_dir[PATH_MAX];
 534         const char *path = shell_tests__dir(path_dir, sizeof(path_dir));
 535         int width = 0;
 536
 537         if (path == NULL)
 538                 return -1;
 539
 540         dir = opendir(path);
 541         if (!dir)
 542                 return -1;
 543
 544         for_each_shell_test(dir, path, ent) {
 545                 char bf[256];
 546                 const char *desc = shell_test__description(bf, sizeof(bf), path, ent->d_name);
 547
 548                 if (desc) {
 549                         int len = strlen(desc);
 550
 551                         if (width < len)
 552                                 width = len;
 553                 }
 554         }
 555
 556         closedir(dir);
 557         return width;
 558 }
 559
 560 struct shell_test {
 561         const char *dir;
 562         const char *file;
 563 };
 564
 565 static int shell_test__run(struct test *test, int subdir __maybe_unused)
 566 {
 567         int err;
 568         char script[PATH_MAX];
 569         struct shell_test *st = test->priv;
 570
 571         path__join(script, sizeof(script), st->dir, st->file);
 572
 573         err = system(script);
 574         if (!err)
 575                 return TEST_OK;
 576
 577         return WEXITSTATUS(err) == 2 ? TEST_SKIP : TEST_FAIL;
 578 }
 579
 580 static int run_shell_tests(int argc, const char *argv[], int i, int width)
 581 {
 582         DIR *dir;
 583         struct dirent *ent;
 584         char path_dir[PATH_MAX];
 585         struct shell_test st = {
 586                 .dir = shell_tests__dir(path_dir, sizeof(path_dir)),
 587         };
 588
 589         if (st.dir == NULL)
 590                 return -1;
 591
 592         dir = opendir(st.dir);
 593         if (!dir) {
 594                 pr_err("failed to open shell test directory: %s\n",
 595                         st.dir);
 596                 return -1;
 597         }
 598
 599         for_each_shell_test(dir, st.dir, ent) {
 600                 int curr = i++;
 601                 char desc[256];
 602                 struct test test = {
 603                         .desc = shell_test__description(desc, sizeof(desc), st.dir, ent->d_name),
 604                         .func = shell_test__run,
 605                         .priv = &st,
 606                 };
 607
 608                 if (!perf_test__matches(test.desc, curr, argc, argv))
 609                         continue;
 610
 611                 st.file = ent->d_name;
 612                 pr_info("%2d: %-*s:", i, width, test.desc);
 613                 test_and_print(&test, false, -1);
 614         }
 615
 616         closedir(dir);
 617         return 0;
 618 }
 619
 620 static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist)
 621 {
 622         struct test *t;
 623         unsigned int j;
 624         int i = 0;
 625         int width = shell_tests__max_desc_width();
 626
 627         for_each_test(j, t) {
 628                 int len = strlen(t->desc);
 629
 630                 if (width < len)
 631                         width = len;
 632         }
 633
 634         for_each_test(j, t) {
 635                 int curr = i++, err;
 636                 int subi;
 637
 638                 if (!perf_test__matches(t->desc, curr, argc, argv)) {
 639                         bool skip = true;
 640                         int subn;
 641
 642                         if (!t->subtest.get_nr)
 643                                 continue;
 644
 645                         subn = t->subtest.get_nr();
 646
 647                         for (subi = 0; subi < subn; subi++) {
 648                                 if (perf_test__matches(t->subtest.get_desc(subi), curr, argc, argv))
 649                                         skip = false;
 650                         }
 651
 652                         if (skip)
 653                                 continue;
 654                 }
 655
 656                 if (t->is_supported && !t->is_supported()) {
 657                         pr_debug("%2d: %-*s: Disabled\n", i, width, t->desc);
 658                         continue;
 659                 }
 660
 661                 pr_info("%2d: %-*s:", i, width, t->desc);
 662
 663                 if (intlist__find(skiplist, i)) {
 664                         color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (user override)\n");
 665                         continue;
 666                 }
 667
 668                 if (!t->subtest.get_nr) {
 669                         test_and_print(t, false, -1);
 670                 } else {
 671                         int subn = t->subtest.get_nr();
 672                         /*
 673                          * minus 2 to align with normal testcases.
 674                          * For subtest we print additional '.x' in number.
 675                          * for example:
 676                          *
 677                          * 35: Test LLVM searching and compiling                        :
 678                          * 35.1: Basic BPF llvm compiling test                          : Ok
 679                          */
 680                         int subw = width > 2 ? width - 2 : width;
 681                         bool skip = false;
 682
 683                         if (subn <= 0) {
 684                                 color_fprintf(stderr, PERF_COLOR_YELLOW,
 685                                               " Skip (not compiled in)\n");
 686                                 continue;
 687                         }
 688                         pr_info("\n");
 689
 690                         for (subi = 0; subi < subn; subi++) {
 691                                 int len = strlen(t->subtest.get_desc(subi));
 692
 693                                 if (subw < len)
 694                                         subw = len;
 695                         }
 696
 697                         for (subi = 0; subi < subn; subi++) {
 698                                 if (!perf_test__matches(t->subtest.get_desc(subi), curr, argc, argv))
 699                                         continue;
 700
 701                                 pr_info("%2d.%1d: %-*s:", i, subi + 1, subw,
 702                                         t->subtest.get_desc(subi));
 703                                 err = test_and_print(t, skip, subi);
 704                                 if (err != TEST_OK && t->subtest.skip_if_fail)
 705                                         skip = true;
 706                         }
 707                 }
 708         }
 709
 710         return run_shell_tests(argc, argv, i, width);
 711 }
 712
 713 static int perf_test__list_shell(int argc, const char **argv, int i)
 714 {
 715         DIR *dir;
 716         struct dirent *ent;
 717         char path_dir[PATH_MAX];
 718         const char *path = shell_tests__dir(path_dir, sizeof(path_dir));
 719
 720         if (path == NULL)
 721                 return -1;
 722
 723         dir = opendir(path);
 724         if (!dir)
 725                 return -1;
 726
 727         for_each_shell_test(dir, path, ent) {
 728                 int curr = i++;
 729                 char bf[256];
 730                 struct test t = {
 731                         .desc = shell_test__description(bf, sizeof(bf), path, ent->d_name),
 732                 };
 733
 734                 if (!perf_test__matches(t.desc, curr, argc, argv))
 735                         continue;
 736
 737                 pr_info("%2d: %s\n", i, t.desc);
 738         }
 739
 740         closedir(dir);
 741         return 0;
 742 }
 743
 744 static int perf_test__list(int argc, const char **argv)
 745 {
 746         unsigned int j;
 747         struct test *t;
 748         int i = 0;
 749
 750         for_each_test(j, t) {
 751                 int curr = i++;
 752
 753                 if (!perf_test__matches(t->desc, curr, argc, argv) ||
 754                     (t->is_supported && !t->is_supported()))
 755                         continue;
 756
 757                 pr_info("%2d: %s\n", i, t->desc);
 758
 759                 if (t->subtest.get_nr) {
 760                         int subn = t->subtest.get_nr();
 761                         int subi;
 762
 763                         for (subi = 0; subi < subn; subi++)
 764                                 pr_info("%2d:%1d: %s\n", i, subi + 1,
 765                                         t->subtest.get_desc(subi));
 766                 }
 767         }
 768
 769         perf_test__list_shell(argc, argv, i);
 770
 771         return 0;
 772 }
 773
 774 int cmd_test(int argc, const char **argv)
 775 {
 776         const char *test_usage[] = {
 777         "perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]",
 778         NULL,
 779         };
 780         const char *skip = NULL;
 781         const struct option test_options[] = {
 782         OPT_STRING('s', "skip", &skip, "tests", "tests to skip"),
 783         OPT_INCR('v', "verbose", &verbose,
 784                     "be more verbose (show symbol address, etc)"),
 785         OPT_BOOLEAN('F', "dont-fork", &dont_fork,
 786                     "Do not fork for testcase"),
 787         OPT_END()
 788         };
 789         const char * const test_subcommands[] = { "list", NULL };
 790         struct intlist *skiplist = NULL;
 791         int ret = hists__init();
 792
 793         if (ret < 0)
 794                 return ret;
 795
 796         /* Unbuffered output */
 797         setvbuf(stdout, NULL, _IONBF, 0);
 798
 799         argc = parse_options_subcommand(argc, argv, test_options, test_subcommands, test_usage, 0);
 800         if (argc >= 1 && !strcmp(argv[0], "list"))
 801                 return perf_test__list(argc - 1, argv + 1);
 802
 803         symbol_conf.priv_size = sizeof(int);
 804         symbol_conf.sort_by_name = true;
 805         symbol_conf.try_vmlinux_path = true;
 806
 807         if (symbol__init(NULL) < 0)
 808                 return -1;
 809
 810         if (skip != NULL)
 811                 skiplist = intlist__new(skip);
 812         /*
 813          * Tests that create BPF maps, for instance, need more than the 64K
 814          * default:
 815          */
 816         rlimit__bump_memlock();
 817
 818         return __cmd_test(argc, argv, skiplist);
 819 }