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/parse-events.h" 12 #include "util/thread.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 cast 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 = { .evsel = evsel, .period = 1000, }; 85 size_t i; 86 87 addr_location__init(&al); 88 for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { 89 struct hist_entry_iter iter = { 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 goto out; 111 } 112 113 thread__put(fake_samples[i].thread); 114 fake_samples[i].thread = thread__get(al.thread); 115 map__put(fake_samples[i].map); 116 fake_samples[i].map = map__get(al.map); 117 fake_samples[i].sym = al.sym; 118 } 119 120 addr_location__exit(&al); 121 return TEST_OK; 122 123 out: 124 pr_debug("Not enough memory for adding a hist entry\n"); 125 addr_location__exit(&al); 126 return TEST_FAIL; 127 } 128 129 static void del_hist_entries(struct hists *hists) 130 { 131 struct hist_entry *he; 132 struct rb_root_cached *root_in; 133 struct rb_root_cached *root_out; 134 struct rb_node *node; 135 136 if (hists__has(hists, need_collapse)) 137 root_in = &hists->entries_collapsed; 138 else 139 root_in = hists->entries_in; 140 141 root_out = &hists->entries; 142 143 while (!RB_EMPTY_ROOT(&root_out->rb_root)) { 144 node = rb_first_cached(root_out); 145 146 he = rb_entry(node, struct hist_entry, rb_node); 147 rb_erase_cached(node, root_out); 148 rb_erase_cached(&he->rb_node_in, root_in); 149 hist_entry__delete(he); 150 } 151 } 152 153 static void put_fake_samples(void) 154 { 155 size_t i; 156 157 for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { 158 map__zput(fake_samples[i].map); 159 thread__zput(fake_samples[i].thread); 160 } 161 } 162 163 typedef int (*test_fn_t)(struct evsel *, struct machine *); 164 165 #define COMM(he) (thread__comm_str(he->thread)) 166 #define DSO(he) (dso__short_name(map__dso(he->ms.map))) 167 #define SYM(he) (he->ms.sym->name) 168 #define CPU(he) (he->cpu) 169 #define DEPTH(he) (he->callchain->max_depth) 170 #define CDSO(cl) (dso__short_name(map__dso(cl->ms.map))) 171 #define CSYM(cl) (cl->ms.sym->name) 172 173 struct result { 174 u64 children; 175 u64 self; 176 const char *comm; 177 const char *dso; 178 const char *sym; 179 }; 180 181 struct callchain_result { 182 u64 nr; 183 struct { 184 const char *dso; 185 const char *sym; 186 } node[10]; 187 }; 188 189 static int do_test(struct hists *hists, struct result *expected, size_t nr_expected, 190 struct callchain_result *expected_callchain, size_t nr_callchain) 191 { 192 char buf[32]; 193 size_t i, c; 194 struct hist_entry *he; 195 struct rb_root *root; 196 struct rb_node *node; 197 struct callchain_node *cnode; 198 struct callchain_list *clist; 199 200 /* 201 * adding and deleting hist entries must be done outside of this 202 * function since TEST_ASSERT_VAL() returns in case of failure. 203 */ 204 hists__collapse_resort(hists, NULL); 205 evsel__output_resort(hists_to_evsel(hists), NULL); 206 207 if (verbose > 2) { 208 pr_info("use callchain: %d, cumulate callchain: %d\n", 209 symbol_conf.use_callchain, 210 symbol_conf.cumulate_callchain); 211 print_hists_out(hists); 212 } 213 214 root = &hists->entries.rb_root; 215 for (node = rb_first(root), i = 0; 216 node && (he = rb_entry(node, struct hist_entry, rb_node)); 217 node = rb_next(node), i++) { 218 scnprintf(buf, sizeof(buf), "Invalid hist entry #%zd", i); 219 220 TEST_ASSERT_VAL("Incorrect number of hist entry", 221 i < nr_expected); 222 TEST_ASSERT_VAL(buf, he->stat.period == expected[i].self && 223 !strcmp(COMM(he), expected[i].comm) && 224 !strcmp(DSO(he), expected[i].dso) && 225 !strcmp(SYM(he), expected[i].sym)); 226 227 if (symbol_conf.cumulate_callchain) 228 TEST_ASSERT_VAL(buf, he->stat_acc->period == expected[i].children); 229 230 if (!symbol_conf.use_callchain) 231 continue; 232 233 /* check callchain entries */ 234 root = &he->callchain->node.rb_root; 235 236 TEST_ASSERT_VAL("callchains expected", !RB_EMPTY_ROOT(root)); 237 cnode = rb_entry(rb_first(root), struct callchain_node, rb_node); 238 239 c = 0; 240 list_for_each_entry(clist, &cnode->val, list) { 241 scnprintf(buf, sizeof(buf), "Invalid callchain entry #%zd/%zd", i, c); 242 243 TEST_ASSERT_VAL("Incorrect number of callchain entry", 244 c < expected_callchain[i].nr); 245 TEST_ASSERT_VAL(buf, 246 !strcmp(CDSO(clist), expected_callchain[i].node[c].dso) && 247 !strcmp(CSYM(clist), expected_callchain[i].node[c].sym)); 248 c++; 249 } 250 /* TODO: handle multiple child nodes properly */ 251 TEST_ASSERT_VAL("Incorrect number of callchain entry", 252 c <= expected_callchain[i].nr); 253 } 254 TEST_ASSERT_VAL("Incorrect number of hist entry", 255 i == nr_expected); 256 TEST_ASSERT_VAL("Incorrect number of callchain entry", 257 !symbol_conf.use_callchain || nr_expected == nr_callchain); 258 return 0; 259 } 260 261 /* NO callchain + NO children */ 262 static int test1(struct evsel *evsel, struct machine *machine) 263 { 264 int err; 265 struct hists *hists = evsel__hists(evsel); 266 /* 267 * expected output: 268 * 269 * Overhead Command Shared Object Symbol 270 * ======== ======= ============= ============== 271 * 20.00% perf perf [.] main 272 * 10.00% bash [kernel] [k] page_fault 273 * 10.00% bash bash [.] main 274 * 10.00% bash bash [.] xmalloc 275 * 10.00% perf [kernel] [k] page_fault 276 * 10.00% perf [kernel] [k] schedule 277 * 10.00% perf libc [.] free 278 * 10.00% perf libc [.] malloc 279 * 10.00% perf perf [.] cmd_record 280 */ 281 struct result expected[] = { 282 { 0, 2000, "perf", "perf", "main" }, 283 { 0, 1000, "bash", "[kernel]", "page_fault" }, 284 { 0, 1000, "bash", "bash", "main" }, 285 { 0, 1000, "bash", "bash", "xmalloc" }, 286 { 0, 1000, "perf", "[kernel]", "page_fault" }, 287 { 0, 1000, "perf", "[kernel]", "schedule" }, 288 { 0, 1000, "perf", "libc", "free" }, 289 { 0, 1000, "perf", "libc", "malloc" }, 290 { 0, 1000, "perf", "perf", "cmd_record" }, 291 }; 292 293 symbol_conf.use_callchain = false; 294 symbol_conf.cumulate_callchain = false; 295 evsel__reset_sample_bit(evsel, CALLCHAIN); 296 297 setup_sorting(/*evlist=*/NULL, machine->env); 298 callchain_register_param(&callchain_param); 299 300 err = add_hist_entries(hists, machine); 301 if (err < 0) 302 goto out; 303 304 err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0); 305 306 out: 307 del_hist_entries(hists); 308 reset_output_field(); 309 return err; 310 } 311 312 /* callchain + NO children */ 313 static int test2(struct evsel *evsel, struct machine *machine) 314 { 315 int err; 316 struct hists *hists = evsel__hists(evsel); 317 /* 318 * expected output: 319 * 320 * Overhead Command Shared Object Symbol 321 * ======== ======= ============= ============== 322 * 20.00% perf perf [.] main 323 * | 324 * --- main 325 * 326 * 10.00% bash [kernel] [k] page_fault 327 * | 328 * --- page_fault 329 * malloc 330 * main 331 * 332 * 10.00% bash bash [.] main 333 * | 334 * --- main 335 * 336 * 10.00% bash bash [.] xmalloc 337 * | 338 * --- xmalloc 339 * malloc 340 * xmalloc <--- NOTE: there's a cycle 341 * malloc 342 * xmalloc 343 * main 344 * 345 * 10.00% perf [kernel] [k] page_fault 346 * | 347 * --- page_fault 348 * sys_perf_event_open 349 * run_command 350 * main 351 * 352 * 10.00% perf [kernel] [k] schedule 353 * | 354 * --- schedule 355 * run_command 356 * main 357 * 358 * 10.00% perf libc [.] free 359 * | 360 * --- free 361 * cmd_record 362 * run_command 363 * main 364 * 365 * 10.00% perf libc [.] malloc 366 * | 367 * --- malloc 368 * cmd_record 369 * run_command 370 * main 371 * 372 * 10.00% perf perf [.] cmd_record 373 * | 374 * --- cmd_record 375 * run_command 376 * main 377 * 378 */ 379 struct result expected[] = { 380 { 0, 2000, "perf", "perf", "main" }, 381 { 0, 1000, "bash", "[kernel]", "page_fault" }, 382 { 0, 1000, "bash", "bash", "main" }, 383 { 0, 1000, "bash", "bash", "xmalloc" }, 384 { 0, 1000, "perf", "[kernel]", "page_fault" }, 385 { 0, 1000, "perf", "[kernel]", "schedule" }, 386 { 0, 1000, "perf", "libc", "free" }, 387 { 0, 1000, "perf", "libc", "malloc" }, 388 { 0, 1000, "perf", "perf", "cmd_record" }, 389 }; 390 struct callchain_result expected_callchain[] = { 391 { 392 1, { { "perf", "main" }, }, 393 }, 394 { 395 3, { { "[kernel]", "page_fault" }, 396 { "libc", "malloc" }, 397 { "bash", "main" }, }, 398 }, 399 { 400 1, { { "bash", "main" }, }, 401 }, 402 { 403 6, { { "bash", "xmalloc" }, 404 { "libc", "malloc" }, 405 { "bash", "xmalloc" }, 406 { "libc", "malloc" }, 407 { "bash", "xmalloc" }, 408 { "bash", "main" }, }, 409 }, 410 { 411 4, { { "[kernel]", "page_fault" }, 412 { "[kernel]", "sys_perf_event_open" }, 413 { "perf", "run_command" }, 414 { "perf", "main" }, }, 415 }, 416 { 417 3, { { "[kernel]", "schedule" }, 418 { "perf", "run_command" }, 419 { "perf", "main" }, }, 420 }, 421 { 422 4, { { "libc", "free" }, 423 { "perf", "cmd_record" }, 424 { "perf", "run_command" }, 425 { "perf", "main" }, }, 426 }, 427 { 428 4, { { "libc", "malloc" }, 429 { "perf", "cmd_record" }, 430 { "perf", "run_command" }, 431 { "perf", "main" }, }, 432 }, 433 { 434 3, { { "perf", "cmd_record" }, 435 { "perf", "run_command" }, 436 { "perf", "main" }, }, 437 }, 438 }; 439 440 symbol_conf.use_callchain = true; 441 symbol_conf.cumulate_callchain = false; 442 evsel__set_sample_bit(evsel, CALLCHAIN); 443 444 setup_sorting(/*evlist=*/NULL, machine->env); 445 callchain_register_param(&callchain_param); 446 447 err = add_hist_entries(hists, machine); 448 if (err < 0) 449 goto out; 450 451 err = do_test(hists, expected, ARRAY_SIZE(expected), 452 expected_callchain, ARRAY_SIZE(expected_callchain)); 453 454 out: 455 del_hist_entries(hists); 456 reset_output_field(); 457 return err; 458 } 459 460 /* NO callchain + children */ 461 static int test3(struct evsel *evsel, struct machine *machine) 462 { 463 int err; 464 struct hists *hists = evsel__hists(evsel); 465 /* 466 * expected output: 467 * 468 * Children Self Command Shared Object Symbol 469 * ======== ======== ======= ============= ======================= 470 * 70.00% 20.00% perf perf [.] main 471 * 50.00% 0.00% perf perf [.] run_command 472 * 30.00% 10.00% bash bash [.] main 473 * 30.00% 10.00% perf perf [.] cmd_record 474 * 20.00% 0.00% bash libc [.] malloc 475 * 10.00% 10.00% bash [kernel] [k] page_fault 476 * 10.00% 10.00% bash bash [.] xmalloc 477 * 10.00% 10.00% perf [kernel] [k] page_fault 478 * 10.00% 10.00% perf libc [.] malloc 479 * 10.00% 10.00% perf [kernel] [k] schedule 480 * 10.00% 10.00% perf libc [.] free 481 * 10.00% 0.00% perf [kernel] [k] sys_perf_event_open 482 */ 483 struct result expected[] = { 484 { 7000, 2000, "perf", "perf", "main" }, 485 { 5000, 0, "perf", "perf", "run_command" }, 486 { 3000, 1000, "bash", "bash", "main" }, 487 { 3000, 1000, "perf", "perf", "cmd_record" }, 488 { 2000, 0, "bash", "libc", "malloc" }, 489 { 1000, 1000, "bash", "[kernel]", "page_fault" }, 490 { 1000, 1000, "bash", "bash", "xmalloc" }, 491 { 1000, 1000, "perf", "[kernel]", "page_fault" }, 492 { 1000, 1000, "perf", "[kernel]", "schedule" }, 493 { 1000, 1000, "perf", "libc", "free" }, 494 { 1000, 1000, "perf", "libc", "malloc" }, 495 { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, 496 }; 497 498 symbol_conf.use_callchain = false; 499 symbol_conf.cumulate_callchain = true; 500 evsel__reset_sample_bit(evsel, CALLCHAIN); 501 502 setup_sorting(/*evlist=*/NULL, machine->env); 503 callchain_register_param(&callchain_param); 504 505 err = add_hist_entries(hists, machine); 506 if (err < 0) 507 goto out; 508 509 err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0); 510 511 out: 512 del_hist_entries(hists); 513 reset_output_field(); 514 return err; 515 } 516 517 /* callchain + children */ 518 static int test4(struct evsel *evsel, struct machine *machine) 519 { 520 int err; 521 struct hists *hists = evsel__hists(evsel); 522 /* 523 * expected output: 524 * 525 * Children Self Command Shared Object Symbol 526 * ======== ======== ======= ============= ======================= 527 * 70.00% 20.00% perf perf [.] main 528 * | 529 * --- main 530 * 531 * 50.00% 0.00% perf perf [.] run_command 532 * | 533 * --- run_command 534 * main 535 * 536 * 30.00% 10.00% bash bash [.] main 537 * | 538 * --- main 539 * 540 * 30.00% 10.00% perf perf [.] cmd_record 541 * | 542 * --- cmd_record 543 * run_command 544 * main 545 * 546 * 20.00% 0.00% bash libc [.] malloc 547 * | 548 * --- malloc 549 * | 550 * |--50.00%-- xmalloc 551 * | main 552 * --50.00%-- main 553 * 554 * 10.00% 10.00% bash [kernel] [k] page_fault 555 * | 556 * --- page_fault 557 * malloc 558 * main 559 * 560 * 10.00% 10.00% bash bash [.] xmalloc 561 * | 562 * --- xmalloc 563 * malloc 564 * xmalloc <--- NOTE: there's a cycle 565 * malloc 566 * xmalloc 567 * main 568 * 569 * 10.00% 0.00% perf [kernel] [k] sys_perf_event_open 570 * | 571 * --- sys_perf_event_open 572 * run_command 573 * main 574 * 575 * 10.00% 10.00% perf [kernel] [k] page_fault 576 * | 577 * --- page_fault 578 * sys_perf_event_open 579 * run_command 580 * main 581 * 582 * 10.00% 10.00% perf [kernel] [k] schedule 583 * | 584 * --- schedule 585 * run_command 586 * main 587 * 588 * 10.00% 10.00% perf libc [.] free 589 * | 590 * --- free 591 * cmd_record 592 * run_command 593 * main 594 * 595 * 10.00% 10.00% perf libc [.] malloc 596 * | 597 * --- malloc 598 * cmd_record 599 * run_command 600 * main 601 * 602 */ 603 struct result expected[] = { 604 { 7000, 2000, "perf", "perf", "main" }, 605 { 5000, 0, "perf", "perf", "run_command" }, 606 { 3000, 1000, "bash", "bash", "main" }, 607 { 3000, 1000, "perf", "perf", "cmd_record" }, 608 { 2000, 0, "bash", "libc", "malloc" }, 609 { 1000, 1000, "bash", "[kernel]", "page_fault" }, 610 { 1000, 1000, "bash", "bash", "xmalloc" }, 611 { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, 612 { 1000, 1000, "perf", "[kernel]", "page_fault" }, 613 { 1000, 1000, "perf", "[kernel]", "schedule" }, 614 { 1000, 1000, "perf", "libc", "free" }, 615 { 1000, 1000, "perf", "libc", "malloc" }, 616 }; 617 struct callchain_result expected_callchain[] = { 618 { 619 1, { { "perf", "main" }, }, 620 }, 621 { 622 2, { { "perf", "run_command" }, 623 { "perf", "main" }, }, 624 }, 625 { 626 1, { { "bash", "main" }, }, 627 }, 628 { 629 3, { { "perf", "cmd_record" }, 630 { "perf", "run_command" }, 631 { "perf", "main" }, }, 632 }, 633 { 634 4, { { "libc", "malloc" }, 635 { "bash", "xmalloc" }, 636 { "bash", "main" }, 637 { "bash", "main" }, }, 638 }, 639 { 640 3, { { "[kernel]", "page_fault" }, 641 { "libc", "malloc" }, 642 { "bash", "main" }, }, 643 }, 644 { 645 6, { { "bash", "xmalloc" }, 646 { "libc", "malloc" }, 647 { "bash", "xmalloc" }, 648 { "libc", "malloc" }, 649 { "bash", "xmalloc" }, 650 { "bash", "main" }, }, 651 }, 652 { 653 3, { { "[kernel]", "sys_perf_event_open" }, 654 { "perf", "run_command" }, 655 { "perf", "main" }, }, 656 }, 657 { 658 4, { { "[kernel]", "page_fault" }, 659 { "[kernel]", "sys_perf_event_open" }, 660 { "perf", "run_command" }, 661 { "perf", "main" }, }, 662 }, 663 { 664 3, { { "[kernel]", "schedule" }, 665 { "perf", "run_command" }, 666 { "perf", "main" }, }, 667 }, 668 { 669 4, { { "libc", "free" }, 670 { "perf", "cmd_record" }, 671 { "perf", "run_command" }, 672 { "perf", "main" }, }, 673 }, 674 { 675 4, { { "libc", "malloc" }, 676 { "perf", "cmd_record" }, 677 { "perf", "run_command" }, 678 { "perf", "main" }, }, 679 }, 680 }; 681 682 symbol_conf.use_callchain = true; 683 symbol_conf.cumulate_callchain = true; 684 evsel__set_sample_bit(evsel, CALLCHAIN); 685 686 setup_sorting(/*evlist=*/NULL, machine->env); 687 688 callchain_param = callchain_param_default; 689 callchain_register_param(&callchain_param); 690 691 err = add_hist_entries(hists, machine); 692 if (err < 0) 693 goto out; 694 695 err = do_test(hists, expected, ARRAY_SIZE(expected), 696 expected_callchain, ARRAY_SIZE(expected_callchain)); 697 698 out: 699 del_hist_entries(hists); 700 reset_output_field(); 701 return err; 702 } 703 704 static int test__hists_cumulate(struct test_suite *test __maybe_unused, int subtest __maybe_unused) 705 { 706 int err = TEST_FAIL; 707 struct machines machines = { 0 }; 708 struct machine *machine; 709 struct evsel *evsel; 710 struct evlist *evlist = evlist__new(); 711 size_t i; 712 test_fn_t testcases[] = { 713 test1, 714 test2, 715 test3, 716 test4, 717 }; 718 719 TEST_ASSERT_VAL("No memory", evlist); 720 721 err = parse_event(evlist, "cpu-clock"); 722 if (err) 723 goto out; 724 err = TEST_FAIL; 725 726 if (machines__init(&machines)) 727 goto out; 728 729 /* setup threads/dso/map/symbols also */ 730 machine = setup_fake_machine(&machines); 731 if (!machine) 732 goto out; 733 734 if (verbose > 1) 735 machine__fprintf(machine, stderr); 736 737 evsel = evlist__first(evlist); 738 739 for (i = 0; i < ARRAY_SIZE(testcases); i++) { 740 err = testcases[i](evsel, machine); 741 if (err < 0) 742 break; 743 } 744 745 out: 746 /* tear down everything */ 747 evlist__delete(evlist); 748 machines__exit(&machines); 749 put_fake_samples(); 750 751 return err; 752 } 753 754 DEFINE_SUITE("Cumulate child hist entries", hists_cumulate); 755