1 // SPDX-License-Identifier: GPL-2.0 2 #include "util/debug.h" 3 #include "util/dso.h" 4 #include "util/event.h" 5 #include "util/map.h" 6 #include "util/symbol.h" 7 #include "util/sort.h" 8 #include "util/evsel.h" 9 #include "util/evlist.h" 10 #include "util/machine.h" 11 #include "util/thread.h" 12 #include "util/parse-events.h" 13 #include "tests/tests.h" 14 #include "tests/hists_common.h" 15 #include <linux/kernel.h> 16 17 struct sample { 18 u32 pid; 19 u64 ip; 20 struct thread *thread; 21 struct map *map; 22 struct symbol *sym; 23 }; 24 25 /* For the numbers, see hists_common.c */ 26 static struct sample fake_samples[] = { 27 /* perf [kernel] schedule() */ 28 { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, }, 29 /* perf [perf] main() */ 30 { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, }, 31 /* perf [perf] cmd_record() */ 32 { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_CMD_RECORD, }, 33 /* perf [libc] malloc() */ 34 { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, }, 35 /* perf [libc] free() */ 36 { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_FREE, }, 37 /* perf [perf] main() */ 38 { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, }, 39 /* perf [kernel] page_fault() */ 40 { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, 41 /* bash [bash] main() */ 42 { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_MAIN, }, 43 /* bash [bash] xmalloc() */ 44 { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, }, 45 /* bash [kernel] page_fault() */ 46 { .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, 47 }; 48 49 /* 50 * Will be casted to struct ip_callchain which has all 64 bit entries 51 * of nr and ips[]. 52 */ 53 static u64 fake_callchains[][10] = { 54 /* schedule => run_command => main */ 55 { 3, FAKE_IP_KERNEL_SCHEDULE, FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, }, 56 /* main */ 57 { 1, FAKE_IP_PERF_MAIN, }, 58 /* cmd_record => run_command => main */ 59 { 3, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, }, 60 /* malloc => cmd_record => run_command => main */ 61 { 4, FAKE_IP_LIBC_MALLOC, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND, 62 FAKE_IP_PERF_MAIN, }, 63 /* free => cmd_record => run_command => main */ 64 { 4, FAKE_IP_LIBC_FREE, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND, 65 FAKE_IP_PERF_MAIN, }, 66 /* main */ 67 { 1, FAKE_IP_PERF_MAIN, }, 68 /* page_fault => sys_perf_event_open => run_command => main */ 69 { 4, FAKE_IP_KERNEL_PAGE_FAULT, FAKE_IP_KERNEL_SYS_PERF_EVENT_OPEN, 70 FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, }, 71 /* main */ 72 { 1, FAKE_IP_BASH_MAIN, }, 73 /* xmalloc => malloc => xmalloc => malloc => xmalloc => main */ 74 { 6, FAKE_IP_BASH_XMALLOC, FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_XMALLOC, 75 FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_XMALLOC, FAKE_IP_BASH_MAIN, }, 76 /* page_fault => malloc => main */ 77 { 3, FAKE_IP_KERNEL_PAGE_FAULT, FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_MAIN, }, 78 }; 79 80 static int add_hist_entries(struct hists *hists, struct machine *machine) 81 { 82 struct addr_location al; 83 struct evsel *evsel = hists_to_evsel(hists); 84 struct perf_sample sample = { .period = 1000, }; 85 size_t i; 86 87 for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { 88 struct hist_entry_iter iter = { 89 .evsel = evsel, 90 .sample = &sample, 91 .hide_unresolved = false, 92 }; 93 94 if (symbol_conf.cumulate_callchain) 95 iter.ops = &hist_iter_cumulative; 96 else 97 iter.ops = &hist_iter_normal; 98 99 sample.cpumode = PERF_RECORD_MISC_USER; 100 sample.pid = fake_samples[i].pid; 101 sample.tid = fake_samples[i].pid; 102 sample.ip = fake_samples[i].ip; 103 sample.callchain = (struct ip_callchain *)fake_callchains[i]; 104 105 if (machine__resolve(machine, &al, &sample) < 0) 106 goto out; 107 108 if (hist_entry_iter__add(&iter, &al, sysctl_perf_event_max_stack, 109 NULL) < 0) { 110 addr_location__put(&al); 111 goto out; 112 } 113 114 fake_samples[i].thread = al.thread; 115 fake_samples[i].map = al.map; 116 fake_samples[i].sym = al.sym; 117 } 118 119 return TEST_OK; 120 121 out: 122 pr_debug("Not enough memory for adding a hist entry\n"); 123 return TEST_FAIL; 124 } 125 126 static void del_hist_entries(struct hists *hists) 127 { 128 struct hist_entry *he; 129 struct rb_root_cached *root_in; 130 struct rb_root_cached *root_out; 131 struct rb_node *node; 132 133 if (hists__has(hists, need_collapse)) 134 root_in = &hists->entries_collapsed; 135 else 136 root_in = hists->entries_in; 137 138 root_out = &hists->entries; 139 140 while (!RB_EMPTY_ROOT(&root_out->rb_root)) { 141 node = rb_first_cached(root_out); 142 143 he = rb_entry(node, struct hist_entry, rb_node); 144 rb_erase_cached(node, root_out); 145 rb_erase_cached(&he->rb_node_in, root_in); 146 hist_entry__delete(he); 147 } 148 } 149 150 typedef int (*test_fn_t)(struct evsel *, struct machine *); 151 152 #define COMM(he) (thread__comm_str(he->thread)) 153 #define DSO(he) (he->ms.map->dso->short_name) 154 #define SYM(he) (he->ms.sym->name) 155 #define CPU(he) (he->cpu) 156 #define PID(he) (he->thread->tid) 157 #define DEPTH(he) (he->callchain->max_depth) 158 #define CDSO(cl) (cl->ms.map->dso->short_name) 159 #define CSYM(cl) (cl->ms.sym->name) 160 161 struct result { 162 u64 children; 163 u64 self; 164 const char *comm; 165 const char *dso; 166 const char *sym; 167 }; 168 169 struct callchain_result { 170 u64 nr; 171 struct { 172 const char *dso; 173 const char *sym; 174 } node[10]; 175 }; 176 177 static int do_test(struct hists *hists, struct result *expected, size_t nr_expected, 178 struct callchain_result *expected_callchain, size_t nr_callchain) 179 { 180 char buf[32]; 181 size_t i, c; 182 struct hist_entry *he; 183 struct rb_root *root; 184 struct rb_node *node; 185 struct callchain_node *cnode; 186 struct callchain_list *clist; 187 188 /* 189 * adding and deleting hist entries must be done outside of this 190 * function since TEST_ASSERT_VAL() returns in case of failure. 191 */ 192 hists__collapse_resort(hists, NULL); 193 perf_evsel__output_resort(hists_to_evsel(hists), NULL); 194 195 if (verbose > 2) { 196 pr_info("use callchain: %d, cumulate callchain: %d\n", 197 symbol_conf.use_callchain, 198 symbol_conf.cumulate_callchain); 199 print_hists_out(hists); 200 } 201 202 root = &hists->entries.rb_root; 203 for (node = rb_first(root), i = 0; 204 node && (he = rb_entry(node, struct hist_entry, rb_node)); 205 node = rb_next(node), i++) { 206 scnprintf(buf, sizeof(buf), "Invalid hist entry #%zd", i); 207 208 TEST_ASSERT_VAL("Incorrect number of hist entry", 209 i < nr_expected); 210 TEST_ASSERT_VAL(buf, he->stat.period == expected[i].self && 211 !strcmp(COMM(he), expected[i].comm) && 212 !strcmp(DSO(he), expected[i].dso) && 213 !strcmp(SYM(he), expected[i].sym)); 214 215 if (symbol_conf.cumulate_callchain) 216 TEST_ASSERT_VAL(buf, he->stat_acc->period == expected[i].children); 217 218 if (!symbol_conf.use_callchain) 219 continue; 220 221 /* check callchain entries */ 222 root = &he->callchain->node.rb_root; 223 224 TEST_ASSERT_VAL("callchains expected", !RB_EMPTY_ROOT(root)); 225 cnode = rb_entry(rb_first(root), struct callchain_node, rb_node); 226 227 c = 0; 228 list_for_each_entry(clist, &cnode->val, list) { 229 scnprintf(buf, sizeof(buf), "Invalid callchain entry #%zd/%zd", i, c); 230 231 TEST_ASSERT_VAL("Incorrect number of callchain entry", 232 c < expected_callchain[i].nr); 233 TEST_ASSERT_VAL(buf, 234 !strcmp(CDSO(clist), expected_callchain[i].node[c].dso) && 235 !strcmp(CSYM(clist), expected_callchain[i].node[c].sym)); 236 c++; 237 } 238 /* TODO: handle multiple child nodes properly */ 239 TEST_ASSERT_VAL("Incorrect number of callchain entry", 240 c <= expected_callchain[i].nr); 241 } 242 TEST_ASSERT_VAL("Incorrect number of hist entry", 243 i == nr_expected); 244 TEST_ASSERT_VAL("Incorrect number of callchain entry", 245 !symbol_conf.use_callchain || nr_expected == nr_callchain); 246 return 0; 247 } 248 249 /* NO callchain + NO children */ 250 static int test1(struct evsel *evsel, struct machine *machine) 251 { 252 int err; 253 struct hists *hists = evsel__hists(evsel); 254 /* 255 * expected output: 256 * 257 * Overhead Command Shared Object Symbol 258 * ======== ======= ============= ============== 259 * 20.00% perf perf [.] main 260 * 10.00% bash [kernel] [k] page_fault 261 * 10.00% bash bash [.] main 262 * 10.00% bash bash [.] xmalloc 263 * 10.00% perf [kernel] [k] page_fault 264 * 10.00% perf [kernel] [k] schedule 265 * 10.00% perf libc [.] free 266 * 10.00% perf libc [.] malloc 267 * 10.00% perf perf [.] cmd_record 268 */ 269 struct result expected[] = { 270 { 0, 2000, "perf", "perf", "main" }, 271 { 0, 1000, "bash", "[kernel]", "page_fault" }, 272 { 0, 1000, "bash", "bash", "main" }, 273 { 0, 1000, "bash", "bash", "xmalloc" }, 274 { 0, 1000, "perf", "[kernel]", "page_fault" }, 275 { 0, 1000, "perf", "[kernel]", "schedule" }, 276 { 0, 1000, "perf", "libc", "free" }, 277 { 0, 1000, "perf", "libc", "malloc" }, 278 { 0, 1000, "perf", "perf", "cmd_record" }, 279 }; 280 281 symbol_conf.use_callchain = false; 282 symbol_conf.cumulate_callchain = false; 283 perf_evsel__reset_sample_bit(evsel, CALLCHAIN); 284 285 setup_sorting(NULL); 286 callchain_register_param(&callchain_param); 287 288 err = add_hist_entries(hists, machine); 289 if (err < 0) 290 goto out; 291 292 err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0); 293 294 out: 295 del_hist_entries(hists); 296 reset_output_field(); 297 return err; 298 } 299 300 /* callcain + NO children */ 301 static int test2(struct evsel *evsel, struct machine *machine) 302 { 303 int err; 304 struct hists *hists = evsel__hists(evsel); 305 /* 306 * expected output: 307 * 308 * Overhead Command Shared Object Symbol 309 * ======== ======= ============= ============== 310 * 20.00% perf perf [.] main 311 * | 312 * --- main 313 * 314 * 10.00% bash [kernel] [k] page_fault 315 * | 316 * --- page_fault 317 * malloc 318 * main 319 * 320 * 10.00% bash bash [.] main 321 * | 322 * --- main 323 * 324 * 10.00% bash bash [.] xmalloc 325 * | 326 * --- xmalloc 327 * malloc 328 * xmalloc <--- NOTE: there's a cycle 329 * malloc 330 * xmalloc 331 * main 332 * 333 * 10.00% perf [kernel] [k] page_fault 334 * | 335 * --- page_fault 336 * sys_perf_event_open 337 * run_command 338 * main 339 * 340 * 10.00% perf [kernel] [k] schedule 341 * | 342 * --- schedule 343 * run_command 344 * main 345 * 346 * 10.00% perf libc [.] free 347 * | 348 * --- free 349 * cmd_record 350 * run_command 351 * main 352 * 353 * 10.00% perf libc [.] malloc 354 * | 355 * --- malloc 356 * cmd_record 357 * run_command 358 * main 359 * 360 * 10.00% perf perf [.] cmd_record 361 * | 362 * --- cmd_record 363 * run_command 364 * main 365 * 366 */ 367 struct result expected[] = { 368 { 0, 2000, "perf", "perf", "main" }, 369 { 0, 1000, "bash", "[kernel]", "page_fault" }, 370 { 0, 1000, "bash", "bash", "main" }, 371 { 0, 1000, "bash", "bash", "xmalloc" }, 372 { 0, 1000, "perf", "[kernel]", "page_fault" }, 373 { 0, 1000, "perf", "[kernel]", "schedule" }, 374 { 0, 1000, "perf", "libc", "free" }, 375 { 0, 1000, "perf", "libc", "malloc" }, 376 { 0, 1000, "perf", "perf", "cmd_record" }, 377 }; 378 struct callchain_result expected_callchain[] = { 379 { 380 1, { { "perf", "main" }, }, 381 }, 382 { 383 3, { { "[kernel]", "page_fault" }, 384 { "libc", "malloc" }, 385 { "bash", "main" }, }, 386 }, 387 { 388 1, { { "bash", "main" }, }, 389 }, 390 { 391 6, { { "bash", "xmalloc" }, 392 { "libc", "malloc" }, 393 { "bash", "xmalloc" }, 394 { "libc", "malloc" }, 395 { "bash", "xmalloc" }, 396 { "bash", "main" }, }, 397 }, 398 { 399 4, { { "[kernel]", "page_fault" }, 400 { "[kernel]", "sys_perf_event_open" }, 401 { "perf", "run_command" }, 402 { "perf", "main" }, }, 403 }, 404 { 405 3, { { "[kernel]", "schedule" }, 406 { "perf", "run_command" }, 407 { "perf", "main" }, }, 408 }, 409 { 410 4, { { "libc", "free" }, 411 { "perf", "cmd_record" }, 412 { "perf", "run_command" }, 413 { "perf", "main" }, }, 414 }, 415 { 416 4, { { "libc", "malloc" }, 417 { "perf", "cmd_record" }, 418 { "perf", "run_command" }, 419 { "perf", "main" }, }, 420 }, 421 { 422 3, { { "perf", "cmd_record" }, 423 { "perf", "run_command" }, 424 { "perf", "main" }, }, 425 }, 426 }; 427 428 symbol_conf.use_callchain = true; 429 symbol_conf.cumulate_callchain = false; 430 perf_evsel__set_sample_bit(evsel, CALLCHAIN); 431 432 setup_sorting(NULL); 433 callchain_register_param(&callchain_param); 434 435 err = add_hist_entries(hists, machine); 436 if (err < 0) 437 goto out; 438 439 err = do_test(hists, expected, ARRAY_SIZE(expected), 440 expected_callchain, ARRAY_SIZE(expected_callchain)); 441 442 out: 443 del_hist_entries(hists); 444 reset_output_field(); 445 return err; 446 } 447 448 /* NO callchain + children */ 449 static int test3(struct evsel *evsel, struct machine *machine) 450 { 451 int err; 452 struct hists *hists = evsel__hists(evsel); 453 /* 454 * expected output: 455 * 456 * Children Self Command Shared Object Symbol 457 * ======== ======== ======= ============= ======================= 458 * 70.00% 20.00% perf perf [.] main 459 * 50.00% 0.00% perf perf [.] run_command 460 * 30.00% 10.00% bash bash [.] main 461 * 30.00% 10.00% perf perf [.] cmd_record 462 * 20.00% 0.00% bash libc [.] malloc 463 * 10.00% 10.00% bash [kernel] [k] page_fault 464 * 10.00% 10.00% bash bash [.] xmalloc 465 * 10.00% 10.00% perf [kernel] [k] page_fault 466 * 10.00% 10.00% perf libc [.] malloc 467 * 10.00% 10.00% perf [kernel] [k] schedule 468 * 10.00% 10.00% perf libc [.] free 469 * 10.00% 0.00% perf [kernel] [k] sys_perf_event_open 470 */ 471 struct result expected[] = { 472 { 7000, 2000, "perf", "perf", "main" }, 473 { 5000, 0, "perf", "perf", "run_command" }, 474 { 3000, 1000, "bash", "bash", "main" }, 475 { 3000, 1000, "perf", "perf", "cmd_record" }, 476 { 2000, 0, "bash", "libc", "malloc" }, 477 { 1000, 1000, "bash", "[kernel]", "page_fault" }, 478 { 1000, 1000, "bash", "bash", "xmalloc" }, 479 { 1000, 1000, "perf", "[kernel]", "page_fault" }, 480 { 1000, 1000, "perf", "[kernel]", "schedule" }, 481 { 1000, 1000, "perf", "libc", "free" }, 482 { 1000, 1000, "perf", "libc", "malloc" }, 483 { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, 484 }; 485 486 symbol_conf.use_callchain = false; 487 symbol_conf.cumulate_callchain = true; 488 perf_evsel__reset_sample_bit(evsel, CALLCHAIN); 489 490 setup_sorting(NULL); 491 callchain_register_param(&callchain_param); 492 493 err = add_hist_entries(hists, machine); 494 if (err < 0) 495 goto out; 496 497 err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0); 498 499 out: 500 del_hist_entries(hists); 501 reset_output_field(); 502 return err; 503 } 504 505 /* callchain + children */ 506 static int test4(struct evsel *evsel, struct machine *machine) 507 { 508 int err; 509 struct hists *hists = evsel__hists(evsel); 510 /* 511 * expected output: 512 * 513 * Children Self Command Shared Object Symbol 514 * ======== ======== ======= ============= ======================= 515 * 70.00% 20.00% perf perf [.] main 516 * | 517 * --- main 518 * 519 * 50.00% 0.00% perf perf [.] run_command 520 * | 521 * --- run_command 522 * main 523 * 524 * 30.00% 10.00% bash bash [.] main 525 * | 526 * --- main 527 * 528 * 30.00% 10.00% perf perf [.] cmd_record 529 * | 530 * --- cmd_record 531 * run_command 532 * main 533 * 534 * 20.00% 0.00% bash libc [.] malloc 535 * | 536 * --- malloc 537 * | 538 * |--50.00%-- xmalloc 539 * | main 540 * --50.00%-- main 541 * 542 * 10.00% 10.00% bash [kernel] [k] page_fault 543 * | 544 * --- page_fault 545 * malloc 546 * main 547 * 548 * 10.00% 10.00% bash bash [.] xmalloc 549 * | 550 * --- xmalloc 551 * malloc 552 * xmalloc <--- NOTE: there's a cycle 553 * malloc 554 * xmalloc 555 * main 556 * 557 * 10.00% 0.00% perf [kernel] [k] sys_perf_event_open 558 * | 559 * --- sys_perf_event_open 560 * run_command 561 * main 562 * 563 * 10.00% 10.00% perf [kernel] [k] page_fault 564 * | 565 * --- page_fault 566 * sys_perf_event_open 567 * run_command 568 * main 569 * 570 * 10.00% 10.00% perf [kernel] [k] schedule 571 * | 572 * --- schedule 573 * run_command 574 * main 575 * 576 * 10.00% 10.00% perf libc [.] free 577 * | 578 * --- free 579 * cmd_record 580 * run_command 581 * main 582 * 583 * 10.00% 10.00% perf libc [.] malloc 584 * | 585 * --- malloc 586 * cmd_record 587 * run_command 588 * main 589 * 590 */ 591 struct result expected[] = { 592 { 7000, 2000, "perf", "perf", "main" }, 593 { 5000, 0, "perf", "perf", "run_command" }, 594 { 3000, 1000, "bash", "bash", "main" }, 595 { 3000, 1000, "perf", "perf", "cmd_record" }, 596 { 2000, 0, "bash", "libc", "malloc" }, 597 { 1000, 1000, "bash", "[kernel]", "page_fault" }, 598 { 1000, 1000, "bash", "bash", "xmalloc" }, 599 { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, 600 { 1000, 1000, "perf", "[kernel]", "page_fault" }, 601 { 1000, 1000, "perf", "[kernel]", "schedule" }, 602 { 1000, 1000, "perf", "libc", "free" }, 603 { 1000, 1000, "perf", "libc", "malloc" }, 604 }; 605 struct callchain_result expected_callchain[] = { 606 { 607 1, { { "perf", "main" }, }, 608 }, 609 { 610 2, { { "perf", "run_command" }, 611 { "perf", "main" }, }, 612 }, 613 { 614 1, { { "bash", "main" }, }, 615 }, 616 { 617 3, { { "perf", "cmd_record" }, 618 { "perf", "run_command" }, 619 { "perf", "main" }, }, 620 }, 621 { 622 4, { { "libc", "malloc" }, 623 { "bash", "xmalloc" }, 624 { "bash", "main" }, 625 { "bash", "main" }, }, 626 }, 627 { 628 3, { { "[kernel]", "page_fault" }, 629 { "libc", "malloc" }, 630 { "bash", "main" }, }, 631 }, 632 { 633 6, { { "bash", "xmalloc" }, 634 { "libc", "malloc" }, 635 { "bash", "xmalloc" }, 636 { "libc", "malloc" }, 637 { "bash", "xmalloc" }, 638 { "bash", "main" }, }, 639 }, 640 { 641 3, { { "[kernel]", "sys_perf_event_open" }, 642 { "perf", "run_command" }, 643 { "perf", "main" }, }, 644 }, 645 { 646 4, { { "[kernel]", "page_fault" }, 647 { "[kernel]", "sys_perf_event_open" }, 648 { "perf", "run_command" }, 649 { "perf", "main" }, }, 650 }, 651 { 652 3, { { "[kernel]", "schedule" }, 653 { "perf", "run_command" }, 654 { "perf", "main" }, }, 655 }, 656 { 657 4, { { "libc", "free" }, 658 { "perf", "cmd_record" }, 659 { "perf", "run_command" }, 660 { "perf", "main" }, }, 661 }, 662 { 663 4, { { "libc", "malloc" }, 664 { "perf", "cmd_record" }, 665 { "perf", "run_command" }, 666 { "perf", "main" }, }, 667 }, 668 }; 669 670 symbol_conf.use_callchain = true; 671 symbol_conf.cumulate_callchain = true; 672 perf_evsel__set_sample_bit(evsel, CALLCHAIN); 673 674 setup_sorting(NULL); 675 676 callchain_param = callchain_param_default; 677 callchain_register_param(&callchain_param); 678 679 err = add_hist_entries(hists, machine); 680 if (err < 0) 681 goto out; 682 683 err = do_test(hists, expected, ARRAY_SIZE(expected), 684 expected_callchain, ARRAY_SIZE(expected_callchain)); 685 686 out: 687 del_hist_entries(hists); 688 reset_output_field(); 689 return err; 690 } 691 692 int test__hists_cumulate(struct test *test __maybe_unused, int subtest __maybe_unused) 693 { 694 int err = TEST_FAIL; 695 struct machines machines; 696 struct machine *machine; 697 struct evsel *evsel; 698 struct evlist *evlist = evlist__new(); 699 size_t i; 700 test_fn_t testcases[] = { 701 test1, 702 test2, 703 test3, 704 test4, 705 }; 706 707 TEST_ASSERT_VAL("No memory", evlist); 708 709 err = parse_events(evlist, "cpu-clock", NULL); 710 if (err) 711 goto out; 712 err = TEST_FAIL; 713 714 machines__init(&machines); 715 716 /* setup threads/dso/map/symbols also */ 717 machine = setup_fake_machine(&machines); 718 if (!machine) 719 goto out; 720 721 if (verbose > 1) 722 machine__fprintf(machine, stderr); 723 724 evsel = evlist__first(evlist); 725 726 for (i = 0; i < ARRAY_SIZE(testcases); i++) { 727 err = testcases[i](evsel, machine); 728 if (err < 0) 729 break; 730 } 731 732 out: 733 /* tear down everything */ 734 evlist__delete(evlist); 735 machines__exit(&machines); 736 737 return err; 738 } 739