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 17struct 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 */ 26static 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 */ 53static 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 80static 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 addr_location__init(&al); 88 for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { 89 struct hist_entry_iter iter = { 90 .evsel = evsel, 91 .sample = &sample, 92 .hide_unresolved = false, 93 }; 94 95 if (symbol_conf.cumulate_callchain) 96 iter.ops = &hist_iter_cumulative; 97 else 98 iter.ops = &hist_iter_normal; 99 100 sample.cpumode = PERF_RECORD_MISC_USER; 101 sample.pid = fake_samples[i].pid; 102 sample.tid = fake_samples[i].pid; 103 sample.ip = fake_samples[i].ip; 104 sample.callchain = (struct ip_callchain *)fake_callchains[i]; 105 106 if (machine__resolve(machine, &al, &sample) < 0) 107 goto out; 108 109 if (hist_entry_iter__add(&iter, &al, sysctl_perf_event_max_stack, 110 NULL) < 0) { 111 goto out; 112 } 113 114 thread__put(fake_samples[i].thread); 115 fake_samples[i].thread = thread__get(al.thread); 116 map__put(fake_samples[i].map); 117 fake_samples[i].map = map__get(al.map); 118 fake_samples[i].sym = al.sym; 119 } 120 121 addr_location__exit(&al); 122 return TEST_OK; 123 124out: 125 pr_debug("Not enough memory for adding a hist entry\n"); 126 addr_location__exit(&al); 127 return TEST_FAIL; 128} 129 130static void del_hist_entries(struct hists *hists) 131{ 132 struct hist_entry *he; 133 struct rb_root_cached *root_in; 134 struct rb_root_cached *root_out; 135 struct rb_node *node; 136 137 if (hists__has(hists, need_collapse)) 138 root_in = &hists->entries_collapsed; 139 else 140 root_in = hists->entries_in; 141 142 root_out = &hists->entries; 143 144 while (!RB_EMPTY_ROOT(&root_out->rb_root)) { 145 node = rb_first_cached(root_out); 146 147 he = rb_entry(node, struct hist_entry, rb_node); 148 rb_erase_cached(node, root_out); 149 rb_erase_cached(&he->rb_node_in, root_in); 150 hist_entry__delete(he); 151 } 152} 153 154static void put_fake_samples(void) 155{ 156 size_t i; 157 158 for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { 159 map__zput(fake_samples[i].map); 160 thread__zput(fake_samples[i].thread); 161 } 162} 163 164typedef int (*test_fn_t)(struct evsel *, struct machine *); 165 166#define COMM(he) (thread__comm_str(he->thread)) 167#define DSO(he) (map__dso(he->ms.map)->short_name) 168#define SYM(he) (he->ms.sym->name) 169#define CPU(he) (he->cpu) 170#define DEPTH(he) (he->callchain->max_depth) 171#define CDSO(cl) (map__dso(cl->ms.map)->short_name) 172#define CSYM(cl) (cl->ms.sym->name) 173 174struct result { 175 u64 children; 176 u64 self; 177 const char *comm; 178 const char *dso; 179 const char *sym; 180}; 181 182struct callchain_result { 183 u64 nr; 184 struct { 185 const char *dso; 186 const char *sym; 187 } node[10]; 188}; 189 190static int do_test(struct hists *hists, struct result *expected, size_t nr_expected, 191 struct callchain_result *expected_callchain, size_t nr_callchain) 192{ 193 char buf[32]; 194 size_t i, c; 195 struct hist_entry *he; 196 struct rb_root *root; 197 struct rb_node *node; 198 struct callchain_node *cnode; 199 struct callchain_list *clist; 200 201 /* 202 * adding and deleting hist entries must be done outside of this 203 * function since TEST_ASSERT_VAL() returns in case of failure. 204 */ 205 hists__collapse_resort(hists, NULL); 206 evsel__output_resort(hists_to_evsel(hists), NULL); 207 208 if (verbose > 2) { 209 pr_info("use callchain: %d, cumulate callchain: %d\n", 210 symbol_conf.use_callchain, 211 symbol_conf.cumulate_callchain); 212 print_hists_out(hists); 213 } 214 215 root = &hists->entries.rb_root; 216 for (node = rb_first(root), i = 0; 217 node && (he = rb_entry(node, struct hist_entry, rb_node)); 218 node = rb_next(node), i++) { 219 scnprintf(buf, sizeof(buf), "Invalid hist entry #%zd", i); 220 221 TEST_ASSERT_VAL("Incorrect number of hist entry", 222 i < nr_expected); 223 TEST_ASSERT_VAL(buf, he->stat.period == expected[i].self && 224 !strcmp(COMM(he), expected[i].comm) && 225 !strcmp(DSO(he), expected[i].dso) && 226 !strcmp(SYM(he), expected[i].sym)); 227 228 if (symbol_conf.cumulate_callchain) 229 TEST_ASSERT_VAL(buf, he->stat_acc->period == expected[i].children); 230 231 if (!symbol_conf.use_callchain) 232 continue; 233 234 /* check callchain entries */ 235 root = &he->callchain->node.rb_root; 236 237 TEST_ASSERT_VAL("callchains expected", !RB_EMPTY_ROOT(root)); 238 cnode = rb_entry(rb_first(root), struct callchain_node, rb_node); 239 240 c = 0; 241 list_for_each_entry(clist, &cnode->val, list) { 242 scnprintf(buf, sizeof(buf), "Invalid callchain entry #%zd/%zd", i, c); 243 244 TEST_ASSERT_VAL("Incorrect number of callchain entry", 245 c < expected_callchain[i].nr); 246 TEST_ASSERT_VAL(buf, 247 !strcmp(CDSO(clist), expected_callchain[i].node[c].dso) && 248 !strcmp(CSYM(clist), expected_callchain[i].node[c].sym)); 249 c++; 250 } 251 /* TODO: handle multiple child nodes properly */ 252 TEST_ASSERT_VAL("Incorrect number of callchain entry", 253 c <= expected_callchain[i].nr); 254 } 255 TEST_ASSERT_VAL("Incorrect number of hist entry", 256 i == nr_expected); 257 TEST_ASSERT_VAL("Incorrect number of callchain entry", 258 !symbol_conf.use_callchain || nr_expected == nr_callchain); 259 return 0; 260} 261 262/* NO callchain + NO children */ 263static int test1(struct evsel *evsel, struct machine *machine) 264{ 265 int err; 266 struct hists *hists = evsel__hists(evsel); 267 /* 268 * expected output: 269 * 270 * Overhead Command Shared Object Symbol 271 * ======== ======= ============= ============== 272 * 20.00% perf perf [.] main 273 * 10.00% bash [kernel] [k] page_fault 274 * 10.00% bash bash [.] main 275 * 10.00% bash bash [.] xmalloc 276 * 10.00% perf [kernel] [k] page_fault 277 * 10.00% perf [kernel] [k] schedule 278 * 10.00% perf libc [.] free 279 * 10.00% perf libc [.] malloc 280 * 10.00% perf perf [.] cmd_record 281 */ 282 struct result expected[] = { 283 { 0, 2000, "perf", "perf", "main" }, 284 { 0, 1000, "bash", "[kernel]", "page_fault" }, 285 { 0, 1000, "bash", "bash", "main" }, 286 { 0, 1000, "bash", "bash", "xmalloc" }, 287 { 0, 1000, "perf", "[kernel]", "page_fault" }, 288 { 0, 1000, "perf", "[kernel]", "schedule" }, 289 { 0, 1000, "perf", "libc", "free" }, 290 { 0, 1000, "perf", "libc", "malloc" }, 291 { 0, 1000, "perf", "perf", "cmd_record" }, 292 }; 293 294 symbol_conf.use_callchain = false; 295 symbol_conf.cumulate_callchain = false; 296 evsel__reset_sample_bit(evsel, CALLCHAIN); 297 298 setup_sorting(NULL); 299 callchain_register_param(&callchain_param); 300 301 err = add_hist_entries(hists, machine); 302 if (err < 0) 303 goto out; 304 305 err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0); 306 307out: 308 del_hist_entries(hists); 309 reset_output_field(); 310 return err; 311} 312 313/* callchain + NO children */ 314static int test2(struct evsel *evsel, struct machine *machine) 315{ 316 int err; 317 struct hists *hists = evsel__hists(evsel); 318 /* 319 * expected output: 320 * 321 * Overhead Command Shared Object Symbol 322 * ======== ======= ============= ============== 323 * 20.00% perf perf [.] main 324 * | 325 * --- main 326 * 327 * 10.00% bash [kernel] [k] page_fault 328 * | 329 * --- page_fault 330 * malloc 331 * main 332 * 333 * 10.00% bash bash [.] main 334 * | 335 * --- main 336 * 337 * 10.00% bash bash [.] xmalloc 338 * | 339 * --- xmalloc 340 * malloc 341 * xmalloc <--- NOTE: there's a cycle 342 * malloc 343 * xmalloc 344 * main 345 * 346 * 10.00% perf [kernel] [k] page_fault 347 * | 348 * --- page_fault 349 * sys_perf_event_open 350 * run_command 351 * main 352 * 353 * 10.00% perf [kernel] [k] schedule 354 * | 355 * --- schedule 356 * run_command 357 * main 358 * 359 * 10.00% perf libc [.] free 360 * | 361 * --- free 362 * cmd_record 363 * run_command 364 * main 365 * 366 * 10.00% perf libc [.] malloc 367 * | 368 * --- malloc 369 * cmd_record 370 * run_command 371 * main 372 * 373 * 10.00% perf perf [.] cmd_record 374 * | 375 * --- cmd_record 376 * run_command 377 * main 378 * 379 */ 380 struct result expected[] = { 381 { 0, 2000, "perf", "perf", "main" }, 382 { 0, 1000, "bash", "[kernel]", "page_fault" }, 383 { 0, 1000, "bash", "bash", "main" }, 384 { 0, 1000, "bash", "bash", "xmalloc" }, 385 { 0, 1000, "perf", "[kernel]", "page_fault" }, 386 { 0, 1000, "perf", "[kernel]", "schedule" }, 387 { 0, 1000, "perf", "libc", "free" }, 388 { 0, 1000, "perf", "libc", "malloc" }, 389 { 0, 1000, "perf", "perf", "cmd_record" }, 390 }; 391 struct callchain_result expected_callchain[] = { 392 { 393 1, { { "perf", "main" }, }, 394 }, 395 { 396 3, { { "[kernel]", "page_fault" }, 397 { "libc", "malloc" }, 398 { "bash", "main" }, }, 399 }, 400 { 401 1, { { "bash", "main" }, }, 402 }, 403 { 404 6, { { "bash", "xmalloc" }, 405 { "libc", "malloc" }, 406 { "bash", "xmalloc" }, 407 { "libc", "malloc" }, 408 { "bash", "xmalloc" }, 409 { "bash", "main" }, }, 410 }, 411 { 412 4, { { "[kernel]", "page_fault" }, 413 { "[kernel]", "sys_perf_event_open" }, 414 { "perf", "run_command" }, 415 { "perf", "main" }, }, 416 }, 417 { 418 3, { { "[kernel]", "schedule" }, 419 { "perf", "run_command" }, 420 { "perf", "main" }, }, 421 }, 422 { 423 4, { { "libc", "free" }, 424 { "perf", "cmd_record" }, 425 { "perf", "run_command" }, 426 { "perf", "main" }, }, 427 }, 428 { 429 4, { { "libc", "malloc" }, 430 { "perf", "cmd_record" }, 431 { "perf", "run_command" }, 432 { "perf", "main" }, }, 433 }, 434 { 435 3, { { "perf", "cmd_record" }, 436 { "perf", "run_command" }, 437 { "perf", "main" }, }, 438 }, 439 }; 440 441 symbol_conf.use_callchain = true; 442 symbol_conf.cumulate_callchain = false; 443 evsel__set_sample_bit(evsel, CALLCHAIN); 444 445 setup_sorting(NULL); 446 callchain_register_param(&callchain_param); 447 448 err = add_hist_entries(hists, machine); 449 if (err < 0) 450 goto out; 451 452 err = do_test(hists, expected, ARRAY_SIZE(expected), 453 expected_callchain, ARRAY_SIZE(expected_callchain)); 454 455out: 456 del_hist_entries(hists); 457 reset_output_field(); 458 return err; 459} 460 461/* NO callchain + children */ 462static int test3(struct evsel *evsel, struct machine *machine) 463{ 464 int err; 465 struct hists *hists = evsel__hists(evsel); 466 /* 467 * expected output: 468 * 469 * Children Self Command Shared Object Symbol 470 * ======== ======== ======= ============= ======================= 471 * 70.00% 20.00% perf perf [.] main 472 * 50.00% 0.00% perf perf [.] run_command 473 * 30.00% 10.00% bash bash [.] main 474 * 30.00% 10.00% perf perf [.] cmd_record 475 * 20.00% 0.00% bash libc [.] malloc 476 * 10.00% 10.00% bash [kernel] [k] page_fault 477 * 10.00% 10.00% bash bash [.] xmalloc 478 * 10.00% 10.00% perf [kernel] [k] page_fault 479 * 10.00% 10.00% perf libc [.] malloc 480 * 10.00% 10.00% perf [kernel] [k] schedule 481 * 10.00% 10.00% perf libc [.] free 482 * 10.00% 0.00% perf [kernel] [k] sys_perf_event_open 483 */ 484 struct result expected[] = { 485 { 7000, 2000, "perf", "perf", "main" }, 486 { 5000, 0, "perf", "perf", "run_command" }, 487 { 3000, 1000, "bash", "bash", "main" }, 488 { 3000, 1000, "perf", "perf", "cmd_record" }, 489 { 2000, 0, "bash", "libc", "malloc" }, 490 { 1000, 1000, "bash", "[kernel]", "page_fault" }, 491 { 1000, 1000, "bash", "bash", "xmalloc" }, 492 { 1000, 1000, "perf", "[kernel]", "page_fault" }, 493 { 1000, 1000, "perf", "[kernel]", "schedule" }, 494 { 1000, 1000, "perf", "libc", "free" }, 495 { 1000, 1000, "perf", "libc", "malloc" }, 496 { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, 497 }; 498 499 symbol_conf.use_callchain = false; 500 symbol_conf.cumulate_callchain = true; 501 evsel__reset_sample_bit(evsel, CALLCHAIN); 502 503 setup_sorting(NULL); 504 callchain_register_param(&callchain_param); 505 506 err = add_hist_entries(hists, machine); 507 if (err < 0) 508 goto out; 509 510 err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0); 511 512out: 513 del_hist_entries(hists); 514 reset_output_field(); 515 return err; 516} 517 518/* callchain + children */ 519static int test4(struct evsel *evsel, struct machine *machine) 520{ 521 int err; 522 struct hists *hists = evsel__hists(evsel); 523 /* 524 * expected output: 525 * 526 * Children Self Command Shared Object Symbol 527 * ======== ======== ======= ============= ======================= 528 * 70.00% 20.00% perf perf [.] main 529 * | 530 * --- main 531 * 532 * 50.00% 0.00% perf perf [.] run_command 533 * | 534 * --- run_command 535 * main 536 * 537 * 30.00% 10.00% bash bash [.] main 538 * | 539 * --- main 540 * 541 * 30.00% 10.00% perf perf [.] cmd_record 542 * | 543 * --- cmd_record 544 * run_command 545 * main 546 * 547 * 20.00% 0.00% bash libc [.] malloc 548 * | 549 * --- malloc 550 * | 551 * |--50.00%-- xmalloc 552 * | main 553 * --50.00%-- main 554 * 555 * 10.00% 10.00% bash [kernel] [k] page_fault 556 * | 557 * --- page_fault 558 * malloc 559 * main 560 * 561 * 10.00% 10.00% bash bash [.] xmalloc 562 * | 563 * --- xmalloc 564 * malloc 565 * xmalloc <--- NOTE: there's a cycle 566 * malloc 567 * xmalloc 568 * main 569 * 570 * 10.00% 0.00% perf [kernel] [k] sys_perf_event_open 571 * | 572 * --- sys_perf_event_open 573 * run_command 574 * main 575 * 576 * 10.00% 10.00% perf [kernel] [k] page_fault 577 * | 578 * --- page_fault 579 * sys_perf_event_open 580 * run_command 581 * main 582 * 583 * 10.00% 10.00% perf [kernel] [k] schedule 584 * | 585 * --- schedule 586 * run_command 587 * main 588 * 589 * 10.00% 10.00% perf libc [.] free 590 * | 591 * --- free 592 * cmd_record 593 * run_command 594 * main 595 * 596 * 10.00% 10.00% perf libc [.] malloc 597 * | 598 * --- malloc 599 * cmd_record 600 * run_command 601 * main 602 * 603 */ 604 struct result expected[] = { 605 { 7000, 2000, "perf", "perf", "main" }, 606 { 5000, 0, "perf", "perf", "run_command" }, 607 { 3000, 1000, "bash", "bash", "main" }, 608 { 3000, 1000, "perf", "perf", "cmd_record" }, 609 { 2000, 0, "bash", "libc", "malloc" }, 610 { 1000, 1000, "bash", "[kernel]", "page_fault" }, 611 { 1000, 1000, "bash", "bash", "xmalloc" }, 612 { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, 613 { 1000, 1000, "perf", "[kernel]", "page_fault" }, 614 { 1000, 1000, "perf", "[kernel]", "schedule" }, 615 { 1000, 1000, "perf", "libc", "free" }, 616 { 1000, 1000, "perf", "libc", "malloc" }, 617 }; 618 struct callchain_result expected_callchain[] = { 619 { 620 1, { { "perf", "main" }, }, 621 }, 622 { 623 2, { { "perf", "run_command" }, 624 { "perf", "main" }, }, 625 }, 626 { 627 1, { { "bash", "main" }, }, 628 }, 629 { 630 3, { { "perf", "cmd_record" }, 631 { "perf", "run_command" }, 632 { "perf", "main" }, }, 633 }, 634 { 635 4, { { "libc", "malloc" }, 636 { "bash", "xmalloc" }, 637 { "bash", "main" }, 638 { "bash", "main" }, }, 639 }, 640 { 641 3, { { "[kernel]", "page_fault" }, 642 { "libc", "malloc" }, 643 { "bash", "main" }, }, 644 }, 645 { 646 6, { { "bash", "xmalloc" }, 647 { "libc", "malloc" }, 648 { "bash", "xmalloc" }, 649 { "libc", "malloc" }, 650 { "bash", "xmalloc" }, 651 { "bash", "main" }, }, 652 }, 653 { 654 3, { { "[kernel]", "sys_perf_event_open" }, 655 { "perf", "run_command" }, 656 { "perf", "main" }, }, 657 }, 658 { 659 4, { { "[kernel]", "page_fault" }, 660 { "[kernel]", "sys_perf_event_open" }, 661 { "perf", "run_command" }, 662 { "perf", "main" }, }, 663 }, 664 { 665 3, { { "[kernel]", "schedule" }, 666 { "perf", "run_command" }, 667 { "perf", "main" }, }, 668 }, 669 { 670 4, { { "libc", "free" }, 671 { "perf", "cmd_record" }, 672 { "perf", "run_command" }, 673 { "perf", "main" }, }, 674 }, 675 { 676 4, { { "libc", "malloc" }, 677 { "perf", "cmd_record" }, 678 { "perf", "run_command" }, 679 { "perf", "main" }, }, 680 }, 681 }; 682 683 symbol_conf.use_callchain = true; 684 symbol_conf.cumulate_callchain = true; 685 evsel__set_sample_bit(evsel, CALLCHAIN); 686 687 setup_sorting(NULL); 688 689 callchain_param = callchain_param_default; 690 callchain_register_param(&callchain_param); 691 692 err = add_hist_entries(hists, machine); 693 if (err < 0) 694 goto out; 695 696 err = do_test(hists, expected, ARRAY_SIZE(expected), 697 expected_callchain, ARRAY_SIZE(expected_callchain)); 698 699out: 700 del_hist_entries(hists); 701 reset_output_field(); 702 return err; 703} 704 705static int test__hists_cumulate(struct test_suite *test __maybe_unused, int subtest __maybe_unused) 706{ 707 int err = TEST_FAIL; 708 struct machines machines; 709 struct machine *machine; 710 struct evsel *evsel; 711 struct evlist *evlist = evlist__new(); 712 size_t i; 713 test_fn_t testcases[] = { 714 test1, 715 test2, 716 test3, 717 test4, 718 }; 719 720 TEST_ASSERT_VAL("No memory", evlist); 721 722 err = parse_event(evlist, "cpu-clock"); 723 if (err) 724 goto out; 725 err = TEST_FAIL; 726 727 machines__init(&machines); 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 745out: 746 /* tear down everything */ 747 evlist__delete(evlist); 748 machines__exit(&machines); 749 put_fake_samples(); 750 751 return err; 752} 753 754DEFINE_SUITE("Cumulate child hist entries", hists_cumulate); 755