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0506aecc NK |
1 | #include "perf.h" |
2 | #include "util/debug.h" | |
3 | #include "util/symbol.h" | |
4 | #include "util/sort.h" | |
5 | #include "util/evsel.h" | |
6 | #include "util/evlist.h" | |
7 | #include "util/machine.h" | |
8 | #include "util/thread.h" | |
9 | #include "util/parse-events.h" | |
10 | #include "tests/tests.h" | |
11 | #include "tests/hists_common.h" | |
12 | ||
13 | struct sample { | |
14 | u32 pid; | |
15 | u64 ip; | |
16 | struct thread *thread; | |
17 | struct map *map; | |
18 | struct symbol *sym; | |
19 | }; | |
20 | ||
21 | /* For the numbers, see hists_common.c */ | |
22 | static struct sample fake_samples[] = { | |
23 | /* perf [kernel] schedule() */ | |
24 | { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, }, | |
25 | /* perf [perf] main() */ | |
26 | { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, }, | |
27 | /* perf [perf] cmd_record() */ | |
28 | { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_CMD_RECORD, }, | |
29 | /* perf [libc] malloc() */ | |
30 | { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, }, | |
31 | /* perf [libc] free() */ | |
32 | { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_FREE, }, | |
33 | /* perf [perf] main() */ | |
34 | { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, }, | |
35 | /* perf [kernel] page_fault() */ | |
36 | { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, | |
37 | /* bash [bash] main() */ | |
38 | { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_MAIN, }, | |
39 | /* bash [bash] xmalloc() */ | |
40 | { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, }, | |
41 | /* bash [kernel] page_fault() */ | |
42 | { .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, | |
43 | }; | |
44 | ||
45 | /* | |
46 | * Will be casted to struct ip_callchain which has all 64 bit entries | |
47 | * of nr and ips[]. | |
48 | */ | |
49 | static u64 fake_callchains[][10] = { | |
50 | /* schedule => run_command => main */ | |
51 | { 3, FAKE_IP_KERNEL_SCHEDULE, FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, }, | |
52 | /* main */ | |
53 | { 1, FAKE_IP_PERF_MAIN, }, | |
54 | /* cmd_record => run_command => main */ | |
55 | { 3, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, }, | |
56 | /* malloc => cmd_record => run_command => main */ | |
57 | { 4, FAKE_IP_LIBC_MALLOC, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND, | |
58 | FAKE_IP_PERF_MAIN, }, | |
59 | /* free => cmd_record => run_command => main */ | |
60 | { 4, FAKE_IP_LIBC_FREE, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND, | |
61 | FAKE_IP_PERF_MAIN, }, | |
62 | /* main */ | |
63 | { 1, FAKE_IP_PERF_MAIN, }, | |
64 | /* page_fault => sys_perf_event_open => run_command => main */ | |
65 | { 4, FAKE_IP_KERNEL_PAGE_FAULT, FAKE_IP_KERNEL_SYS_PERF_EVENT_OPEN, | |
66 | FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, }, | |
67 | /* main */ | |
68 | { 1, FAKE_IP_BASH_MAIN, }, | |
69 | /* xmalloc => malloc => xmalloc => malloc => xmalloc => main */ | |
70 | { 6, FAKE_IP_BASH_XMALLOC, FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_XMALLOC, | |
71 | FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_XMALLOC, FAKE_IP_BASH_MAIN, }, | |
72 | /* page_fault => malloc => main */ | |
73 | { 3, FAKE_IP_KERNEL_PAGE_FAULT, FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_MAIN, }, | |
74 | }; | |
75 | ||
76 | static int add_hist_entries(struct hists *hists, struct machine *machine) | |
77 | { | |
78 | struct addr_location al; | |
79 | struct perf_evsel *evsel = hists_to_evsel(hists); | |
80 | struct perf_sample sample = { .period = 1000, }; | |
81 | size_t i; | |
82 | ||
83 | for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { | |
84 | const union perf_event event = { | |
85 | .header = { | |
86 | .misc = PERF_RECORD_MISC_USER, | |
87 | }, | |
88 | }; | |
89 | struct hist_entry_iter iter = { | |
90 | .hide_unresolved = false, | |
91 | }; | |
92 | ||
93 | if (symbol_conf.cumulate_callchain) | |
94 | iter.ops = &hist_iter_cumulative; | |
95 | else | |
96 | iter.ops = &hist_iter_normal; | |
97 | ||
98 | sample.pid = fake_samples[i].pid; | |
99 | sample.tid = fake_samples[i].pid; | |
100 | sample.ip = fake_samples[i].ip; | |
101 | sample.callchain = (struct ip_callchain *)fake_callchains[i]; | |
102 | ||
103 | if (perf_event__preprocess_sample(&event, machine, &al, | |
104 | &sample) < 0) | |
105 | goto out; | |
106 | ||
107 | if (hist_entry_iter__add(&iter, &al, evsel, &sample, | |
108 | PERF_MAX_STACK_DEPTH, NULL) < 0) | |
109 | goto out; | |
110 | ||
111 | fake_samples[i].thread = al.thread; | |
112 | fake_samples[i].map = al.map; | |
113 | fake_samples[i].sym = al.sym; | |
114 | } | |
115 | ||
116 | return TEST_OK; | |
117 | ||
118 | out: | |
119 | pr_debug("Not enough memory for adding a hist entry\n"); | |
120 | return TEST_FAIL; | |
121 | } | |
122 | ||
123 | static void del_hist_entries(struct hists *hists) | |
124 | { | |
125 | struct hist_entry *he; | |
126 | struct rb_root *root_in; | |
127 | struct rb_root *root_out; | |
128 | struct rb_node *node; | |
129 | ||
130 | if (sort__need_collapse) | |
131 | root_in = &hists->entries_collapsed; | |
132 | else | |
133 | root_in = hists->entries_in; | |
134 | ||
135 | root_out = &hists->entries; | |
136 | ||
137 | while (!RB_EMPTY_ROOT(root_out)) { | |
138 | node = rb_first(root_out); | |
139 | ||
140 | he = rb_entry(node, struct hist_entry, rb_node); | |
141 | rb_erase(node, root_out); | |
142 | rb_erase(&he->rb_node_in, root_in); | |
143 | hist_entry__free(he); | |
144 | } | |
145 | } | |
146 | ||
147 | typedef int (*test_fn_t)(struct perf_evsel *, struct machine *); | |
148 | ||
149 | #define COMM(he) (thread__comm_str(he->thread)) | |
150 | #define DSO(he) (he->ms.map->dso->short_name) | |
151 | #define SYM(he) (he->ms.sym->name) | |
152 | #define CPU(he) (he->cpu) | |
153 | #define PID(he) (he->thread->tid) | |
154 | #define DEPTH(he) (he->callchain->max_depth) | |
155 | #define CDSO(cl) (cl->ms.map->dso->short_name) | |
156 | #define CSYM(cl) (cl->ms.sym->name) | |
157 | ||
158 | struct result { | |
159 | u64 children; | |
160 | u64 self; | |
161 | const char *comm; | |
162 | const char *dso; | |
163 | const char *sym; | |
164 | }; | |
165 | ||
166 | struct callchain_result { | |
167 | u64 nr; | |
168 | struct { | |
169 | const char *dso; | |
170 | const char *sym; | |
171 | } node[10]; | |
172 | }; | |
173 | ||
174 | static int do_test(struct hists *hists, struct result *expected, size_t nr_expected, | |
175 | struct callchain_result *expected_callchain, size_t nr_callchain) | |
176 | { | |
177 | char buf[32]; | |
178 | size_t i, c; | |
179 | struct hist_entry *he; | |
180 | struct rb_root *root; | |
181 | struct rb_node *node; | |
182 | struct callchain_node *cnode; | |
183 | struct callchain_list *clist; | |
184 | ||
185 | /* | |
186 | * adding and deleting hist entries must be done outside of this | |
187 | * function since TEST_ASSERT_VAL() returns in case of failure. | |
188 | */ | |
189 | hists__collapse_resort(hists, NULL); | |
190 | hists__output_resort(hists); | |
191 | ||
192 | if (verbose > 2) { | |
193 | pr_info("use callchain: %d, cumulate callchain: %d\n", | |
194 | symbol_conf.use_callchain, | |
195 | symbol_conf.cumulate_callchain); | |
196 | print_hists_out(hists); | |
197 | } | |
198 | ||
199 | root = &hists->entries; | |
200 | for (node = rb_first(root), i = 0; | |
201 | node && (he = rb_entry(node, struct hist_entry, rb_node)); | |
202 | node = rb_next(node), i++) { | |
203 | scnprintf(buf, sizeof(buf), "Invalid hist entry #%zd", i); | |
204 | ||
205 | TEST_ASSERT_VAL("Incorrect number of hist entry", | |
206 | i < nr_expected); | |
207 | TEST_ASSERT_VAL(buf, he->stat.period == expected[i].self && | |
208 | !strcmp(COMM(he), expected[i].comm) && | |
209 | !strcmp(DSO(he), expected[i].dso) && | |
210 | !strcmp(SYM(he), expected[i].sym)); | |
211 | ||
212 | if (symbol_conf.cumulate_callchain) | |
213 | TEST_ASSERT_VAL(buf, he->stat_acc->period == expected[i].children); | |
214 | ||
215 | if (!symbol_conf.use_callchain) | |
216 | continue; | |
217 | ||
218 | /* check callchain entries */ | |
219 | root = &he->callchain->node.rb_root; | |
220 | cnode = rb_entry(rb_first(root), struct callchain_node, rb_node); | |
221 | ||
222 | c = 0; | |
223 | list_for_each_entry(clist, &cnode->val, list) { | |
224 | scnprintf(buf, sizeof(buf), "Invalid callchain entry #%zd/%zd", i, c); | |
225 | ||
226 | TEST_ASSERT_VAL("Incorrect number of callchain entry", | |
227 | c < expected_callchain[i].nr); | |
228 | TEST_ASSERT_VAL(buf, | |
229 | !strcmp(CDSO(clist), expected_callchain[i].node[c].dso) && | |
230 | !strcmp(CSYM(clist), expected_callchain[i].node[c].sym)); | |
231 | c++; | |
232 | } | |
233 | /* TODO: handle multiple child nodes properly */ | |
234 | TEST_ASSERT_VAL("Incorrect number of callchain entry", | |
235 | c <= expected_callchain[i].nr); | |
236 | } | |
237 | TEST_ASSERT_VAL("Incorrect number of hist entry", | |
238 | i == nr_expected); | |
239 | TEST_ASSERT_VAL("Incorrect number of callchain entry", | |
240 | !symbol_conf.use_callchain || nr_expected == nr_callchain); | |
241 | return 0; | |
242 | } | |
243 | ||
244 | /* NO callchain + NO children */ | |
245 | static int test1(struct perf_evsel *evsel, struct machine *machine) | |
246 | { | |
247 | int err; | |
248 | struct hists *hists = &evsel->hists; | |
249 | /* | |
250 | * expected output: | |
251 | * | |
252 | * Overhead Command Shared Object Symbol | |
253 | * ======== ======= ============= ============== | |
254 | * 20.00% perf perf [.] main | |
255 | * 10.00% bash [kernel] [k] page_fault | |
256 | * 10.00% bash bash [.] main | |
257 | * 10.00% bash bash [.] xmalloc | |
258 | * 10.00% perf [kernel] [k] page_fault | |
259 | * 10.00% perf [kernel] [k] schedule | |
260 | * 10.00% perf libc [.] free | |
261 | * 10.00% perf libc [.] malloc | |
262 | * 10.00% perf perf [.] cmd_record | |
263 | */ | |
264 | struct result expected[] = { | |
265 | { 0, 2000, "perf", "perf", "main" }, | |
266 | { 0, 1000, "bash", "[kernel]", "page_fault" }, | |
267 | { 0, 1000, "bash", "bash", "main" }, | |
268 | { 0, 1000, "bash", "bash", "xmalloc" }, | |
269 | { 0, 1000, "perf", "[kernel]", "page_fault" }, | |
270 | { 0, 1000, "perf", "[kernel]", "schedule" }, | |
271 | { 0, 1000, "perf", "libc", "free" }, | |
272 | { 0, 1000, "perf", "libc", "malloc" }, | |
273 | { 0, 1000, "perf", "perf", "cmd_record" }, | |
274 | }; | |
275 | ||
276 | symbol_conf.use_callchain = false; | |
277 | symbol_conf.cumulate_callchain = false; | |
278 | ||
279 | setup_sorting(); | |
280 | callchain_register_param(&callchain_param); | |
281 | ||
282 | err = add_hist_entries(hists, machine); | |
283 | if (err < 0) | |
284 | goto out; | |
285 | ||
286 | err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0); | |
287 | ||
288 | out: | |
289 | del_hist_entries(hists); | |
290 | reset_output_field(); | |
291 | return err; | |
292 | } | |
293 | ||
294 | /* callcain + NO children */ | |
295 | static int test2(struct perf_evsel *evsel, struct machine *machine) | |
296 | { | |
297 | int err; | |
298 | struct hists *hists = &evsel->hists; | |
299 | /* | |
300 | * expected output: | |
301 | * | |
302 | * Overhead Command Shared Object Symbol | |
303 | * ======== ======= ============= ============== | |
304 | * 20.00% perf perf [.] main | |
305 | * | | |
306 | * --- main | |
307 | * | |
308 | * 10.00% bash [kernel] [k] page_fault | |
309 | * | | |
310 | * --- page_fault | |
311 | * malloc | |
312 | * main | |
313 | * | |
314 | * 10.00% bash bash [.] main | |
315 | * | | |
316 | * --- main | |
317 | * | |
318 | * 10.00% bash bash [.] xmalloc | |
319 | * | | |
320 | * --- xmalloc | |
321 | * malloc | |
322 | * xmalloc <--- NOTE: there's a cycle | |
323 | * malloc | |
324 | * xmalloc | |
325 | * main | |
326 | * | |
327 | * 10.00% perf [kernel] [k] page_fault | |
328 | * | | |
329 | * --- page_fault | |
330 | * sys_perf_event_open | |
331 | * run_command | |
332 | * main | |
333 | * | |
334 | * 10.00% perf [kernel] [k] schedule | |
335 | * | | |
336 | * --- schedule | |
337 | * run_command | |
338 | * main | |
339 | * | |
340 | * 10.00% perf libc [.] free | |
341 | * | | |
342 | * --- free | |
343 | * cmd_record | |
344 | * run_command | |
345 | * main | |
346 | * | |
347 | * 10.00% perf libc [.] malloc | |
348 | * | | |
349 | * --- malloc | |
350 | * cmd_record | |
351 | * run_command | |
352 | * main | |
353 | * | |
354 | * 10.00% perf perf [.] cmd_record | |
355 | * | | |
356 | * --- cmd_record | |
357 | * run_command | |
358 | * main | |
359 | * | |
360 | */ | |
361 | struct result expected[] = { | |
362 | { 0, 2000, "perf", "perf", "main" }, | |
363 | { 0, 1000, "bash", "[kernel]", "page_fault" }, | |
364 | { 0, 1000, "bash", "bash", "main" }, | |
365 | { 0, 1000, "bash", "bash", "xmalloc" }, | |
366 | { 0, 1000, "perf", "[kernel]", "page_fault" }, | |
367 | { 0, 1000, "perf", "[kernel]", "schedule" }, | |
368 | { 0, 1000, "perf", "libc", "free" }, | |
369 | { 0, 1000, "perf", "libc", "malloc" }, | |
370 | { 0, 1000, "perf", "perf", "cmd_record" }, | |
371 | }; | |
372 | struct callchain_result expected_callchain[] = { | |
373 | { | |
374 | 1, { { "perf", "main" }, }, | |
375 | }, | |
376 | { | |
377 | 3, { { "[kernel]", "page_fault" }, | |
378 | { "libc", "malloc" }, | |
379 | { "bash", "main" }, }, | |
380 | }, | |
381 | { | |
382 | 1, { { "bash", "main" }, }, | |
383 | }, | |
384 | { | |
385 | 6, { { "bash", "xmalloc" }, | |
386 | { "libc", "malloc" }, | |
387 | { "bash", "xmalloc" }, | |
388 | { "libc", "malloc" }, | |
389 | { "bash", "xmalloc" }, | |
390 | { "bash", "main" }, }, | |
391 | }, | |
392 | { | |
393 | 4, { { "[kernel]", "page_fault" }, | |
394 | { "[kernel]", "sys_perf_event_open" }, | |
395 | { "perf", "run_command" }, | |
396 | { "perf", "main" }, }, | |
397 | }, | |
398 | { | |
399 | 3, { { "[kernel]", "schedule" }, | |
400 | { "perf", "run_command" }, | |
401 | { "perf", "main" }, }, | |
402 | }, | |
403 | { | |
404 | 4, { { "libc", "free" }, | |
405 | { "perf", "cmd_record" }, | |
406 | { "perf", "run_command" }, | |
407 | { "perf", "main" }, }, | |
408 | }, | |
409 | { | |
410 | 4, { { "libc", "malloc" }, | |
411 | { "perf", "cmd_record" }, | |
412 | { "perf", "run_command" }, | |
413 | { "perf", "main" }, }, | |
414 | }, | |
415 | { | |
416 | 3, { { "perf", "cmd_record" }, | |
417 | { "perf", "run_command" }, | |
418 | { "perf", "main" }, }, | |
419 | }, | |
420 | }; | |
421 | ||
422 | symbol_conf.use_callchain = true; | |
423 | symbol_conf.cumulate_callchain = false; | |
424 | ||
425 | setup_sorting(); | |
426 | callchain_register_param(&callchain_param); | |
427 | ||
428 | err = add_hist_entries(hists, machine); | |
429 | if (err < 0) | |
430 | goto out; | |
431 | ||
432 | err = do_test(hists, expected, ARRAY_SIZE(expected), | |
433 | expected_callchain, ARRAY_SIZE(expected_callchain)); | |
434 | ||
435 | out: | |
436 | del_hist_entries(hists); | |
437 | reset_output_field(); | |
438 | return err; | |
439 | } | |
440 | ||
441 | /* NO callchain + children */ | |
442 | static int test3(struct perf_evsel *evsel, struct machine *machine) | |
443 | { | |
444 | int err; | |
445 | struct hists *hists = &evsel->hists; | |
446 | /* | |
447 | * expected output: | |
448 | * | |
449 | * Children Self Command Shared Object Symbol | |
450 | * ======== ======== ======= ============= ======================= | |
451 | * 70.00% 20.00% perf perf [.] main | |
452 | * 50.00% 0.00% perf perf [.] run_command | |
453 | * 30.00% 10.00% bash bash [.] main | |
454 | * 30.00% 10.00% perf perf [.] cmd_record | |
455 | * 20.00% 0.00% bash libc [.] malloc | |
456 | * 10.00% 10.00% bash [kernel] [k] page_fault | |
457 | * 10.00% 10.00% perf [kernel] [k] schedule | |
458 | * 10.00% 0.00% perf [kernel] [k] sys_perf_event_open | |
459 | * 10.00% 10.00% perf [kernel] [k] page_fault | |
460 | * 10.00% 10.00% perf libc [.] free | |
461 | * 10.00% 10.00% perf libc [.] malloc | |
462 | * 10.00% 10.00% bash bash [.] xmalloc | |
463 | */ | |
464 | struct result expected[] = { | |
465 | { 7000, 2000, "perf", "perf", "main" }, | |
466 | { 5000, 0, "perf", "perf", "run_command" }, | |
467 | { 3000, 1000, "bash", "bash", "main" }, | |
468 | { 3000, 1000, "perf", "perf", "cmd_record" }, | |
469 | { 2000, 0, "bash", "libc", "malloc" }, | |
470 | { 1000, 1000, "bash", "[kernel]", "page_fault" }, | |
471 | { 1000, 1000, "perf", "[kernel]", "schedule" }, | |
472 | { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, | |
473 | { 1000, 1000, "perf", "[kernel]", "page_fault" }, | |
474 | { 1000, 1000, "perf", "libc", "free" }, | |
475 | { 1000, 1000, "perf", "libc", "malloc" }, | |
476 | { 1000, 1000, "bash", "bash", "xmalloc" }, | |
477 | }; | |
478 | ||
479 | symbol_conf.use_callchain = false; | |
480 | symbol_conf.cumulate_callchain = true; | |
481 | ||
482 | setup_sorting(); | |
483 | callchain_register_param(&callchain_param); | |
484 | ||
485 | err = add_hist_entries(hists, machine); | |
486 | if (err < 0) | |
487 | goto out; | |
488 | ||
489 | err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0); | |
490 | ||
491 | out: | |
492 | del_hist_entries(hists); | |
493 | reset_output_field(); | |
494 | return err; | |
495 | } | |
496 | ||
497 | /* callchain + children */ | |
498 | static int test4(struct perf_evsel *evsel, struct machine *machine) | |
499 | { | |
500 | int err; | |
501 | struct hists *hists = &evsel->hists; | |
502 | /* | |
503 | * expected output: | |
504 | * | |
505 | * Children Self Command Shared Object Symbol | |
506 | * ======== ======== ======= ============= ======================= | |
507 | * 70.00% 20.00% perf perf [.] main | |
508 | * | | |
509 | * --- main | |
510 | * | |
511 | * 50.00% 0.00% perf perf [.] run_command | |
512 | * | | |
513 | * --- run_command | |
514 | * main | |
515 | * | |
516 | * 30.00% 10.00% bash bash [.] main | |
517 | * | | |
518 | * --- main | |
519 | * | |
520 | * 30.00% 10.00% perf perf [.] cmd_record | |
521 | * | | |
522 | * --- cmd_record | |
523 | * run_command | |
524 | * main | |
525 | * | |
526 | * 20.00% 0.00% bash libc [.] malloc | |
527 | * | | |
528 | * --- malloc | |
529 | * | | |
530 | * |--50.00%-- xmalloc | |
531 | * | main | |
532 | * --50.00%-- main | |
533 | * | |
534 | * 10.00% 10.00% bash [kernel] [k] page_fault | |
535 | * | | |
536 | * --- page_fault | |
537 | * malloc | |
538 | * main | |
539 | * | |
540 | * 10.00% 10.00% perf [kernel] [k] schedule | |
541 | * | | |
542 | * --- schedule | |
543 | * run_command | |
544 | * main | |
545 | * | |
546 | * 10.00% 0.00% perf [kernel] [k] sys_perf_event_open | |
547 | * | | |
548 | * --- sys_perf_event_open | |
549 | * run_command | |
550 | * main | |
551 | * | |
552 | * 10.00% 10.00% perf [kernel] [k] page_fault | |
553 | * | | |
554 | * --- page_fault | |
555 | * sys_perf_event_open | |
556 | * run_command | |
557 | * main | |
558 | * | |
559 | * 10.00% 10.00% perf libc [.] free | |
560 | * | | |
561 | * --- free | |
562 | * cmd_record | |
563 | * run_command | |
564 | * main | |
565 | * | |
566 | * 10.00% 10.00% perf libc [.] malloc | |
567 | * | | |
568 | * --- malloc | |
569 | * cmd_record | |
570 | * run_command | |
571 | * main | |
572 | * | |
573 | * 10.00% 10.00% bash bash [.] xmalloc | |
574 | * | | |
575 | * --- xmalloc | |
576 | * malloc | |
577 | * xmalloc <--- NOTE: there's a cycle | |
578 | * malloc | |
579 | * xmalloc | |
580 | * main | |
581 | * | |
582 | */ | |
583 | struct result expected[] = { | |
584 | { 7000, 2000, "perf", "perf", "main" }, | |
585 | { 5000, 0, "perf", "perf", "run_command" }, | |
586 | { 3000, 1000, "bash", "bash", "main" }, | |
587 | { 3000, 1000, "perf", "perf", "cmd_record" }, | |
588 | { 2000, 0, "bash", "libc", "malloc" }, | |
589 | { 1000, 1000, "bash", "[kernel]", "page_fault" }, | |
590 | { 1000, 1000, "perf", "[kernel]", "schedule" }, | |
591 | { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, | |
592 | { 1000, 1000, "perf", "[kernel]", "page_fault" }, | |
593 | { 1000, 1000, "perf", "libc", "free" }, | |
594 | { 1000, 1000, "perf", "libc", "malloc" }, | |
595 | { 1000, 1000, "bash", "bash", "xmalloc" }, | |
596 | }; | |
597 | struct callchain_result expected_callchain[] = { | |
598 | { | |
599 | 1, { { "perf", "main" }, }, | |
600 | }, | |
601 | { | |
602 | 2, { { "perf", "run_command" }, | |
603 | { "perf", "main" }, }, | |
604 | }, | |
605 | { | |
606 | 1, { { "bash", "main" }, }, | |
607 | }, | |
608 | { | |
609 | 3, { { "perf", "cmd_record" }, | |
610 | { "perf", "run_command" }, | |
611 | { "perf", "main" }, }, | |
612 | }, | |
613 | { | |
614 | 4, { { "libc", "malloc" }, | |
615 | { "bash", "xmalloc" }, | |
616 | { "bash", "main" }, | |
617 | { "bash", "main" }, }, | |
618 | }, | |
619 | { | |
620 | 3, { { "[kernel]", "page_fault" }, | |
621 | { "libc", "malloc" }, | |
622 | { "bash", "main" }, }, | |
623 | }, | |
624 | { | |
625 | 3, { { "[kernel]", "schedule" }, | |
626 | { "perf", "run_command" }, | |
627 | { "perf", "main" }, }, | |
628 | }, | |
629 | { | |
630 | 3, { { "[kernel]", "sys_perf_event_open" }, | |
631 | { "perf", "run_command" }, | |
632 | { "perf", "main" }, }, | |
633 | }, | |
634 | { | |
635 | 4, { { "[kernel]", "page_fault" }, | |
636 | { "[kernel]", "sys_perf_event_open" }, | |
637 | { "perf", "run_command" }, | |
638 | { "perf", "main" }, }, | |
639 | }, | |
640 | { | |
641 | 4, { { "libc", "free" }, | |
642 | { "perf", "cmd_record" }, | |
643 | { "perf", "run_command" }, | |
644 | { "perf", "main" }, }, | |
645 | }, | |
646 | { | |
647 | 4, { { "libc", "malloc" }, | |
648 | { "perf", "cmd_record" }, | |
649 | { "perf", "run_command" }, | |
650 | { "perf", "main" }, }, | |
651 | }, | |
652 | { | |
653 | 6, { { "bash", "xmalloc" }, | |
654 | { "libc", "malloc" }, | |
655 | { "bash", "xmalloc" }, | |
656 | { "libc", "malloc" }, | |
657 | { "bash", "xmalloc" }, | |
658 | { "bash", "main" }, }, | |
659 | }, | |
660 | }; | |
661 | ||
662 | symbol_conf.use_callchain = true; | |
663 | symbol_conf.cumulate_callchain = true; | |
664 | ||
665 | setup_sorting(); | |
666 | callchain_register_param(&callchain_param); | |
667 | ||
668 | err = add_hist_entries(hists, machine); | |
669 | if (err < 0) | |
670 | goto out; | |
671 | ||
672 | err = do_test(hists, expected, ARRAY_SIZE(expected), | |
673 | expected_callchain, ARRAY_SIZE(expected_callchain)); | |
674 | ||
675 | out: | |
676 | del_hist_entries(hists); | |
677 | reset_output_field(); | |
678 | return err; | |
679 | } | |
680 | ||
681 | int test__hists_cumulate(void) | |
682 | { | |
683 | int err = TEST_FAIL; | |
684 | struct machines machines; | |
685 | struct machine *machine; | |
686 | struct perf_evsel *evsel; | |
687 | struct perf_evlist *evlist = perf_evlist__new(); | |
688 | size_t i; | |
689 | test_fn_t testcases[] = { | |
690 | test1, | |
691 | test2, | |
692 | test3, | |
693 | test4, | |
694 | }; | |
695 | ||
696 | TEST_ASSERT_VAL("No memory", evlist); | |
697 | ||
698 | err = parse_events(evlist, "cpu-clock"); | |
699 | if (err) | |
700 | goto out; | |
701 | ||
702 | machines__init(&machines); | |
703 | ||
704 | /* setup threads/dso/map/symbols also */ | |
705 | machine = setup_fake_machine(&machines); | |
706 | if (!machine) | |
707 | goto out; | |
708 | ||
709 | if (verbose > 1) | |
710 | machine__fprintf(machine, stderr); | |
711 | ||
712 | evsel = perf_evlist__first(evlist); | |
713 | ||
714 | for (i = 0; i < ARRAY_SIZE(testcases); i++) { | |
715 | err = testcases[i](evsel, machine); | |
716 | if (err < 0) | |
717 | break; | |
718 | } | |
719 | ||
720 | out: | |
721 | /* tear down everything */ | |
722 | perf_evlist__delete(evlist); | |
723 | machines__exit(&machines); | |
724 | ||
725 | return err; | |
726 | } |