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                 .func = NULL,
 342         },
 343 };
 344
 345 static struct test *tests[] = {
 346         generic_tests,
 347         arch_tests,
 348 };
 349
 350 static bool perf_test__matches(const char *desc, int curr, int argc, const char *argv[])
 351 {
 352         int i;
 353
 354         if (argc == 0)
 355                 return true;
 356
 357         for (i = 0; i < argc; ++i) {
 358                 char *end;
 359                 long nr = strtoul(argv[i], &end, 10);
 360
 361                 if (*end == '\0') {
 362                         if (nr == curr + 1)
 363                                 return true;
 364                         continue;
 365                 }
 366
 367                 if (strcasestr(desc, argv[i]))
 368                         return true;
 369         }
 370
 371         return false;
 372 }
 373
 374 static int run_test(struct test *test, int subtest)
 375 {
 376         int status, err = -1, child = dont_fork ? 0 : fork();
 377         char sbuf[STRERR_BUFSIZE];
 378
 379         if (child < 0) {
 380                 pr_err("failed to fork test: %s\n",
 381                         str_error_r(errno, sbuf, sizeof(sbuf)));
 382                 return -1;
 383         }
 384
 385         if (!child) {
 386                 if (!dont_fork) {
 387                         pr_debug("test child forked, pid %d\n", getpid());
 388
 389                         if (verbose <= 0) {
 390                                 int nullfd = open("/dev/null", O_WRONLY);
 391
 392                                 if (nullfd >= 0) {
 393                                         close(STDERR_FILENO);
 394                                         close(STDOUT_FILENO);
 395
 396                                         dup2(nullfd, STDOUT_FILENO);
 397                                         dup2(STDOUT_FILENO, STDERR_FILENO);
 398                                         close(nullfd);
 399                                 }
 400                         } else {
 401                                 signal(SIGSEGV, sighandler_dump_stack);
 402                                 signal(SIGFPE, sighandler_dump_stack);
 403                         }
 404                 }
 405
 406                 err = test->func(test, subtest);
 407                 if (!dont_fork)
 408                         exit(err);
 409         }
 410
 411         if (!dont_fork) {
 412                 wait(&status);
 413
 414                 if (WIFEXITED(status)) {
 415                         err = (signed char)WEXITSTATUS(status);
 416                         pr_debug("test child finished with %d\n", err);
 417                 } else if (WIFSIGNALED(status)) {
 418                         err = -1;
 419                         pr_debug("test child interrupted\n");
 420                 }
 421         }
 422
 423         return err;
 424 }
 425
 426 #define for_each_test(j, t)                                     \
 427         for (j = 0; j < ARRAY_SIZE(tests); j++) \
 428                 for (t = &tests[j][0]; t->func; t++)
 429
 430 static int test_and_print(struct test *t, bool force_skip, int subtest)
 431 {
 432         int err;
 433
 434         if (!force_skip) {
 435                 pr_debug("\n--- start ---\n");
 436                 err = run_test(t, subtest);
 437                 pr_debug("---- end ----\n");
 438         } else {
 439                 pr_debug("\n--- force skipped ---\n");
 440                 err = TEST_SKIP;
 441         }
 442
 443         if (!t->subtest.get_nr)
 444                 pr_debug("%s:", t->desc);
 445         else
 446                 pr_debug("%s subtest %d:", t->desc, subtest + 1);
 447
 448         switch (err) {
 449         case TEST_OK:
 450                 pr_info(" Ok\n");
 451                 break;
 452         case TEST_SKIP: {
 453                 const char *skip_reason = NULL;
 454                 if (t->subtest.skip_reason)
 455                         skip_reason = t->subtest.skip_reason(subtest);
 456                 if (skip_reason)
 457                         color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (%s)\n", skip_reason);
 458                 else
 459                         color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip\n");
 460         }
 461                 break;
 462         case TEST_FAIL:
 463         default:
 464                 color_fprintf(stderr, PERF_COLOR_RED, " FAILED!\n");
 465                 break;
 466         }
 467
 468         return err;
 469 }
 470
 471 static const char *shell_test__description(char *description, size_t size,
 472                                            const char *path, const char *name)
 473 {
 474         FILE *fp;
 475         char filename[PATH_MAX];
 476
 477         path__join(filename, sizeof(filename), path, name);
 478         fp = fopen(filename, "r");
 479         if (!fp)
 480                 return NULL;
 481
 482         /* Skip shebang */
 483         while (fgetc(fp) != '\n');
 484
 485         description = fgets(description, size, fp);
 486         fclose(fp);
 487
 488         return description ? strim(description + 1) : NULL;
 489 }
 490
 491 #define for_each_shell_test(dir, base, ent)     \
 492         while ((ent = readdir(dir)) != NULL)    \
 493                 if (!is_directory(base, ent) && ent->d_name[0] != '.')
 494
 495 static const char *shell_tests__dir(char *path, size_t size)
 496 {
 497         const char *devel_dirs[] = { "./tools/perf/tests", "./tests", };
 498         char *exec_path;
 499         unsigned int i;
 500
 501         for (i = 0; i < ARRAY_SIZE(devel_dirs); ++i) {
 502                 struct stat st;
 503                 if (!lstat(devel_dirs[i], &st)) {
 504                         scnprintf(path, size, "%s/shell", devel_dirs[i]);
 505                         if (!lstat(devel_dirs[i], &st))
 506                                 return path;
 507                 }
 508         }
 509
 510         /* Then installed path. */
 511         exec_path = get_argv_exec_path();
 512         scnprintf(path, size, "%s/tests/shell", exec_path);
 513         free(exec_path);
 514         return path;
 515 }
 516
 517 static int shell_tests__max_desc_width(void)
 518 {
 519         DIR *dir;
 520         struct dirent *ent;
 521         char path_dir[PATH_MAX];
 522         const char *path = shell_tests__dir(path_dir, sizeof(path_dir));
 523         int width = 0;
 524
 525         if (path == NULL)
 526                 return -1;
 527
 528         dir = opendir(path);
 529         if (!dir)
 530                 return -1;
 531
 532         for_each_shell_test(dir, path, ent) {
 533                 char bf[256];
 534                 const char *desc = shell_test__description(bf, sizeof(bf), path, ent->d_name);
 535
 536                 if (desc) {
 537                         int len = strlen(desc);
 538
 539                         if (width < len)
 540                                 width = len;
 541                 }
 542         }
 543
 544         closedir(dir);
 545         return width;
 546 }
 547
 548 struct shell_test {
 549         const char *dir;
 550         const char *file;
 551 };
 552
 553 static int shell_test__run(struct test *test, int subdir __maybe_unused)
 554 {
 555         int err;
 556         char script[PATH_MAX];
 557         struct shell_test *st = test->priv;
 558
 559         path__join(script, sizeof(script), st->dir, st->file);
 560
 561         err = system(script);
 562         if (!err)
 563                 return TEST_OK;
 564
 565         return WEXITSTATUS(err) == 2 ? TEST_SKIP : TEST_FAIL;
 566 }
 567
 568 static int run_shell_tests(int argc, const char *argv[], int i, int width)
 569 {
 570         DIR *dir;
 571         struct dirent *ent;
 572         char path_dir[PATH_MAX];
 573         struct shell_test st = {
 574                 .dir = shell_tests__dir(path_dir, sizeof(path_dir)),
 575         };
 576
 577         if (st.dir == NULL)
 578                 return -1;
 579
 580         dir = opendir(st.dir);
 581         if (!dir) {
 582                 pr_err("failed to open shell test directory: %s\n",
 583                         st.dir);
 584                 return -1;
 585         }
 586
 587         for_each_shell_test(dir, st.dir, ent) {
 588                 int curr = i++;
 589                 char desc[256];
 590                 struct test test = {
 591                         .desc = shell_test__description(desc, sizeof(desc), st.dir, ent->d_name),
 592                         .func = shell_test__run,
 593                         .priv = &st,
 594                 };
 595
 596                 if (!perf_test__matches(test.desc, curr, argc, argv))
 597                         continue;
 598
 599                 st.file = ent->d_name;
 600                 pr_info("%2d: %-*s:", i, width, test.desc);
 601                 test_and_print(&test, false, -1);
 602         }
 603
 604         closedir(dir);
 605         return 0;
 606 }
 607
 608 static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist)
 609 {
 610         struct test *t;
 611         unsigned int j;
 612         int i = 0;
 613         int width = shell_tests__max_desc_width();
 614
 615         for_each_test(j, t) {
 616                 int len = strlen(t->desc);
 617
 618                 if (width < len)
 619                         width = len;
 620         }
 621
 622         for_each_test(j, t) {
 623                 int curr = i++, err;
 624                 int subi;
 625
 626                 if (!perf_test__matches(t->desc, curr, argc, argv)) {
 627                         bool skip = true;
 628                         int subn;
 629
 630                         if (!t->subtest.get_nr)
 631                                 continue;
 632
 633                         subn = t->subtest.get_nr();
 634
 635                         for (subi = 0; subi < subn; subi++) {
 636                                 if (perf_test__matches(t->subtest.get_desc(subi), curr, argc, argv))
 637                                         skip = false;
 638                         }
 639
 640                         if (skip)
 641                                 continue;
 642                 }
 643
 644                 if (t->is_supported && !t->is_supported()) {
 645                         pr_debug("%2d: %-*s: Disabled\n", i, width, t->desc);
 646                         continue;
 647                 }
 648
 649                 pr_info("%2d: %-*s:", i, width, t->desc);
 650
 651                 if (intlist__find(skiplist, i)) {
 652                         color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (user override)\n");
 653                         continue;
 654                 }
 655
 656                 if (!t->subtest.get_nr) {
 657                         test_and_print(t, false, -1);
 658                 } else {
 659                         int subn = t->subtest.get_nr();
 660                         /*
 661                          * minus 2 to align with normal testcases.
 662                          * For subtest we print additional '.x' in number.
 663                          * for example:
 664                          *
 665                          * 35: Test LLVM searching and compiling                        :
 666                          * 35.1: Basic BPF llvm compiling test                          : Ok
 667                          */
 668                         int subw = width > 2 ? width - 2 : width;
 669                         bool skip = false;
 670
 671                         if (subn <= 0) {
 672                                 color_fprintf(stderr, PERF_COLOR_YELLOW,
 673                                               " Skip (not compiled in)\n");
 674                                 continue;
 675                         }
 676                         pr_info("\n");
 677
 678                         for (subi = 0; subi < subn; subi++) {
 679                                 int len = strlen(t->subtest.get_desc(subi));
 680
 681                                 if (subw < len)
 682                                         subw = len;
 683                         }
 684
 685                         for (subi = 0; subi < subn; subi++) {
 686                                 if (!perf_test__matches(t->subtest.get_desc(subi), curr, argc, argv))
 687                                         continue;
 688
 689                                 pr_info("%2d.%1d: %-*s:", i, subi + 1, subw,
 690                                         t->subtest.get_desc(subi));
 691                                 err = test_and_print(t, skip, subi);
 692                                 if (err != TEST_OK && t->subtest.skip_if_fail)
 693                                         skip = true;
 694                         }
 695                 }
 696         }
 697
 698         return run_shell_tests(argc, argv, i, width);
 699 }
 700
 701 static int perf_test__list_shell(int argc, const char **argv, int i)
 702 {
 703         DIR *dir;
 704         struct dirent *ent;
 705         char path_dir[PATH_MAX];
 706         const char *path = shell_tests__dir(path_dir, sizeof(path_dir));
 707
 708         if (path == NULL)
 709                 return -1;
 710
 711         dir = opendir(path);
 712         if (!dir)
 713                 return -1;
 714
 715         for_each_shell_test(dir, path, ent) {
 716                 int curr = i++;
 717                 char bf[256];
 718                 struct test t = {
 719                         .desc = shell_test__description(bf, sizeof(bf), path, ent->d_name),
 720                 };
 721
 722                 if (!perf_test__matches(t.desc, curr, argc, argv))
 723                         continue;
 724
 725                 pr_info("%2d: %s\n", i, t.desc);
 726         }
 727
 728         closedir(dir);
 729         return 0;
 730 }
 731
 732 static int perf_test__list(int argc, const char **argv)
 733 {
 734         unsigned int j;
 735         struct test *t;
 736         int i = 0;
 737
 738         for_each_test(j, t) {
 739                 int curr = i++;
 740
 741                 if (!perf_test__matches(t->desc, curr, argc, argv) ||
 742                     (t->is_supported && !t->is_supported()))
 743                         continue;
 744
 745                 pr_info("%2d: %s\n", i, t->desc);
 746
 747                 if (t->subtest.get_nr) {
 748                         int subn = t->subtest.get_nr();
 749                         int subi;
 750
 751                         for (subi = 0; subi < subn; subi++)
 752                                 pr_info("%2d:%1d: %s\n", i, subi + 1,
 753                                         t->subtest.get_desc(subi));
 754                 }
 755         }
 756
 757         perf_test__list_shell(argc, argv, i);
 758
 759         return 0;
 760 }
 761
 762 int cmd_test(int argc, const char **argv)
 763 {
 764         const char *test_usage[] = {
 765         "perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]",
 766         NULL,
 767         };
 768         const char *skip = NULL;
 769         const struct option test_options[] = {
 770         OPT_STRING('s', "skip", &skip, "tests", "tests to skip"),
 771         OPT_INCR('v', "verbose", &verbose,
 772                     "be more verbose (show symbol address, etc)"),
 773         OPT_BOOLEAN('F', "dont-fork", &dont_fork,
 774                     "Do not fork for testcase"),
 775         OPT_END()
 776         };
 777         const char * const test_subcommands[] = { "list", NULL };
 778         struct intlist *skiplist = NULL;
 779         int ret = hists__init();
 780
 781         if (ret < 0)
 782                 return ret;
 783
 784         argc = parse_options_subcommand(argc, argv, test_options, test_subcommands, test_usage, 0);
 785         if (argc >= 1 && !strcmp(argv[0], "list"))
 786                 return perf_test__list(argc - 1, argv + 1);
 787
 788         symbol_conf.priv_size = sizeof(int);
 789         symbol_conf.sort_by_name = true;
 790         symbol_conf.try_vmlinux_path = true;
 791
 792         if (symbol__init(NULL) < 0)
 793                 return -1;
 794
 795         if (skip != NULL)
 796                 skiplist = intlist__new(skip);
 797         /*
 798          * Tests that create BPF maps, for instance, need more than the 64K
 799          * default:
 800          */
 801         rlimit__bump_memlock();
 802
 803         return __cmd_test(argc, argv, skiplist);
 804 }