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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
0506aecc NK |
2 | #include "perf.h" |
3 | #include "util/debug.h" | |
5ab8c689 | 4 | #include "util/event.h" |
0506aecc NK |
5 | #include "util/symbol.h" |
6 | #include "util/sort.h" | |
7 | #include "util/evsel.h" | |
8 | #include "util/evlist.h" | |
9 | #include "util/machine.h" | |
10 | #include "util/thread.h" | |
11 | #include "util/parse-events.h" | |
12 | #include "tests/tests.h" | |
13 | #include "tests/hists_common.h" | |
877a7a11 | 14 | #include <linux/kernel.h> |
0506aecc NK |
15 | |
16 | struct sample { | |
17 | u32 pid; | |
18 | u64 ip; | |
19 | struct thread *thread; | |
20 | struct map *map; | |
21 | struct symbol *sym; | |
22 | }; | |
23 | ||
24 | /* For the numbers, see hists_common.c */ | |
25 | static struct sample fake_samples[] = { | |
26 | /* perf [kernel] schedule() */ | |
27 | { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, }, | |
28 | /* perf [perf] main() */ | |
29 | { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, }, | |
30 | /* perf [perf] cmd_record() */ | |
31 | { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_CMD_RECORD, }, | |
32 | /* perf [libc] malloc() */ | |
33 | { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, }, | |
34 | /* perf [libc] free() */ | |
35 | { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_FREE, }, | |
36 | /* perf [perf] main() */ | |
37 | { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, }, | |
38 | /* perf [kernel] page_fault() */ | |
39 | { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, | |
40 | /* bash [bash] main() */ | |
41 | { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_MAIN, }, | |
42 | /* bash [bash] xmalloc() */ | |
43 | { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, }, | |
44 | /* bash [kernel] page_fault() */ | |
45 | { .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, | |
46 | }; | |
47 | ||
48 | /* | |
49 | * Will be casted to struct ip_callchain which has all 64 bit entries | |
50 | * of nr and ips[]. | |
51 | */ | |
52 | static u64 fake_callchains[][10] = { | |
53 | /* schedule => run_command => main */ | |
54 | { 3, FAKE_IP_KERNEL_SCHEDULE, FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, }, | |
55 | /* main */ | |
56 | { 1, FAKE_IP_PERF_MAIN, }, | |
57 | /* cmd_record => run_command => main */ | |
58 | { 3, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, }, | |
59 | /* malloc => cmd_record => run_command => main */ | |
60 | { 4, FAKE_IP_LIBC_MALLOC, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND, | |
61 | FAKE_IP_PERF_MAIN, }, | |
62 | /* free => cmd_record => run_command => main */ | |
63 | { 4, FAKE_IP_LIBC_FREE, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND, | |
64 | FAKE_IP_PERF_MAIN, }, | |
65 | /* main */ | |
66 | { 1, FAKE_IP_PERF_MAIN, }, | |
67 | /* page_fault => sys_perf_event_open => run_command => main */ | |
68 | { 4, FAKE_IP_KERNEL_PAGE_FAULT, FAKE_IP_KERNEL_SYS_PERF_EVENT_OPEN, | |
69 | FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, }, | |
70 | /* main */ | |
71 | { 1, FAKE_IP_BASH_MAIN, }, | |
72 | /* xmalloc => malloc => xmalloc => malloc => xmalloc => main */ | |
73 | { 6, FAKE_IP_BASH_XMALLOC, FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_XMALLOC, | |
74 | FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_XMALLOC, FAKE_IP_BASH_MAIN, }, | |
75 | /* page_fault => malloc => main */ | |
76 | { 3, FAKE_IP_KERNEL_PAGE_FAULT, FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_MAIN, }, | |
77 | }; | |
78 | ||
79 | static int add_hist_entries(struct hists *hists, struct machine *machine) | |
80 | { | |
81 | struct addr_location al; | |
82 | struct perf_evsel *evsel = hists_to_evsel(hists); | |
83 | struct perf_sample sample = { .period = 1000, }; | |
84 | size_t i; | |
85 | ||
86 | for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { | |
0506aecc | 87 | struct hist_entry_iter iter = { |
063bd936 NK |
88 | .evsel = evsel, |
89 | .sample = &sample, | |
0506aecc NK |
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 | ||
473398a2 | 98 | sample.cpumode = PERF_RECORD_MISC_USER; |
0506aecc NK |
99 | sample.pid = fake_samples[i].pid; |
100 | sample.tid = fake_samples[i].pid; | |
101 | sample.ip = fake_samples[i].ip; | |
102 | sample.callchain = (struct ip_callchain *)fake_callchains[i]; | |
103 | ||
bb3eb566 | 104 | if (machine__resolve(machine, &al, &sample) < 0) |
0506aecc NK |
105 | goto out; |
106 | ||
4cb93446 | 107 | if (hist_entry_iter__add(&iter, &al, sysctl_perf_event_max_stack, |
063bd936 | 108 | NULL) < 0) { |
b91fc39f | 109 | addr_location__put(&al); |
0506aecc | 110 | goto out; |
b91fc39f | 111 | } |
0506aecc NK |
112 | |
113 | fake_samples[i].thread = al.thread; | |
114 | fake_samples[i].map = al.map; | |
115 | fake_samples[i].sym = al.sym; | |
116 | } | |
117 | ||
118 | return TEST_OK; | |
119 | ||
120 | out: | |
121 | pr_debug("Not enough memory for adding a hist entry\n"); | |
122 | return TEST_FAIL; | |
123 | } | |
124 | ||
125 | static void del_hist_entries(struct hists *hists) | |
126 | { | |
127 | struct hist_entry *he; | |
128 | struct rb_root *root_in; | |
129 | struct rb_root *root_out; | |
130 | struct rb_node *node; | |
131 | ||
52225036 | 132 | if (hists__has(hists, need_collapse)) |
0506aecc NK |
133 | root_in = &hists->entries_collapsed; |
134 | else | |
135 | root_in = hists->entries_in; | |
136 | ||
137 | root_out = &hists->entries; | |
138 | ||
139 | while (!RB_EMPTY_ROOT(root_out)) { | |
140 | node = rb_first(root_out); | |
141 | ||
142 | he = rb_entry(node, struct hist_entry, rb_node); | |
143 | rb_erase(node, root_out); | |
144 | rb_erase(&he->rb_node_in, root_in); | |
6733d1bf | 145 | hist_entry__delete(he); |
0506aecc NK |
146 | } |
147 | } | |
148 | ||
149 | typedef int (*test_fn_t)(struct perf_evsel *, struct machine *); | |
150 | ||
151 | #define COMM(he) (thread__comm_str(he->thread)) | |
152 | #define DSO(he) (he->ms.map->dso->short_name) | |
153 | #define SYM(he) (he->ms.sym->name) | |
154 | #define CPU(he) (he->cpu) | |
155 | #define PID(he) (he->thread->tid) | |
156 | #define DEPTH(he) (he->callchain->max_depth) | |
157 | #define CDSO(cl) (cl->ms.map->dso->short_name) | |
158 | #define CSYM(cl) (cl->ms.sym->name) | |
159 | ||
160 | struct result { | |
161 | u64 children; | |
162 | u64 self; | |
163 | const char *comm; | |
164 | const char *dso; | |
165 | const char *sym; | |
166 | }; | |
167 | ||
168 | struct callchain_result { | |
169 | u64 nr; | |
170 | struct { | |
171 | const char *dso; | |
172 | const char *sym; | |
173 | } node[10]; | |
174 | }; | |
175 | ||
176 | static int do_test(struct hists *hists, struct result *expected, size_t nr_expected, | |
177 | struct callchain_result *expected_callchain, size_t nr_callchain) | |
178 | { | |
179 | char buf[32]; | |
180 | size_t i, c; | |
181 | struct hist_entry *he; | |
182 | struct rb_root *root; | |
183 | struct rb_node *node; | |
184 | struct callchain_node *cnode; | |
185 | struct callchain_list *clist; | |
186 | ||
187 | /* | |
188 | * adding and deleting hist entries must be done outside of this | |
189 | * function since TEST_ASSERT_VAL() returns in case of failure. | |
190 | */ | |
191 | hists__collapse_resort(hists, NULL); | |
452ce03b | 192 | perf_evsel__output_resort(hists_to_evsel(hists), NULL); |
0506aecc NK |
193 | |
194 | if (verbose > 2) { | |
195 | pr_info("use callchain: %d, cumulate callchain: %d\n", | |
196 | symbol_conf.use_callchain, | |
197 | symbol_conf.cumulate_callchain); | |
198 | print_hists_out(hists); | |
199 | } | |
200 | ||
201 | root = &hists->entries; | |
202 | for (node = rb_first(root), i = 0; | |
203 | node && (he = rb_entry(node, struct hist_entry, rb_node)); | |
204 | node = rb_next(node), i++) { | |
205 | scnprintf(buf, sizeof(buf), "Invalid hist entry #%zd", i); | |
206 | ||
207 | TEST_ASSERT_VAL("Incorrect number of hist entry", | |
208 | i < nr_expected); | |
209 | TEST_ASSERT_VAL(buf, he->stat.period == expected[i].self && | |
210 | !strcmp(COMM(he), expected[i].comm) && | |
211 | !strcmp(DSO(he), expected[i].dso) && | |
212 | !strcmp(SYM(he), expected[i].sym)); | |
213 | ||
214 | if (symbol_conf.cumulate_callchain) | |
215 | TEST_ASSERT_VAL(buf, he->stat_acc->period == expected[i].children); | |
216 | ||
217 | if (!symbol_conf.use_callchain) | |
218 | continue; | |
219 | ||
220 | /* check callchain entries */ | |
221 | root = &he->callchain->node.rb_root; | |
347ca878 JO |
222 | |
223 | TEST_ASSERT_VAL("callchains expected", !RB_EMPTY_ROOT(root)); | |
0506aecc NK |
224 | cnode = rb_entry(rb_first(root), struct callchain_node, rb_node); |
225 | ||
226 | c = 0; | |
227 | list_for_each_entry(clist, &cnode->val, list) { | |
228 | scnprintf(buf, sizeof(buf), "Invalid callchain entry #%zd/%zd", i, c); | |
229 | ||
230 | TEST_ASSERT_VAL("Incorrect number of callchain entry", | |
231 | c < expected_callchain[i].nr); | |
232 | TEST_ASSERT_VAL(buf, | |
233 | !strcmp(CDSO(clist), expected_callchain[i].node[c].dso) && | |
234 | !strcmp(CSYM(clist), expected_callchain[i].node[c].sym)); | |
235 | c++; | |
236 | } | |
237 | /* TODO: handle multiple child nodes properly */ | |
238 | TEST_ASSERT_VAL("Incorrect number of callchain entry", | |
239 | c <= expected_callchain[i].nr); | |
240 | } | |
241 | TEST_ASSERT_VAL("Incorrect number of hist entry", | |
242 | i == nr_expected); | |
243 | TEST_ASSERT_VAL("Incorrect number of callchain entry", | |
244 | !symbol_conf.use_callchain || nr_expected == nr_callchain); | |
245 | return 0; | |
246 | } | |
247 | ||
248 | /* NO callchain + NO children */ | |
249 | static int test1(struct perf_evsel *evsel, struct machine *machine) | |
250 | { | |
251 | int err; | |
4ea062ed | 252 | struct hists *hists = evsel__hists(evsel); |
0506aecc NK |
253 | /* |
254 | * expected output: | |
255 | * | |
256 | * Overhead Command Shared Object Symbol | |
257 | * ======== ======= ============= ============== | |
258 | * 20.00% perf perf [.] main | |
259 | * 10.00% bash [kernel] [k] page_fault | |
260 | * 10.00% bash bash [.] main | |
261 | * 10.00% bash bash [.] xmalloc | |
262 | * 10.00% perf [kernel] [k] page_fault | |
263 | * 10.00% perf [kernel] [k] schedule | |
264 | * 10.00% perf libc [.] free | |
265 | * 10.00% perf libc [.] malloc | |
266 | * 10.00% perf perf [.] cmd_record | |
267 | */ | |
268 | struct result expected[] = { | |
269 | { 0, 2000, "perf", "perf", "main" }, | |
270 | { 0, 1000, "bash", "[kernel]", "page_fault" }, | |
271 | { 0, 1000, "bash", "bash", "main" }, | |
272 | { 0, 1000, "bash", "bash", "xmalloc" }, | |
273 | { 0, 1000, "perf", "[kernel]", "page_fault" }, | |
274 | { 0, 1000, "perf", "[kernel]", "schedule" }, | |
275 | { 0, 1000, "perf", "libc", "free" }, | |
276 | { 0, 1000, "perf", "libc", "malloc" }, | |
277 | { 0, 1000, "perf", "perf", "cmd_record" }, | |
278 | }; | |
279 | ||
280 | symbol_conf.use_callchain = false; | |
281 | symbol_conf.cumulate_callchain = false; | |
f9db0d0f | 282 | perf_evsel__reset_sample_bit(evsel, CALLCHAIN); |
0506aecc | 283 | |
40184c46 | 284 | setup_sorting(NULL); |
0506aecc NK |
285 | callchain_register_param(&callchain_param); |
286 | ||
287 | err = add_hist_entries(hists, machine); | |
288 | if (err < 0) | |
289 | goto out; | |
290 | ||
291 | err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0); | |
292 | ||
293 | out: | |
294 | del_hist_entries(hists); | |
295 | reset_output_field(); | |
296 | return err; | |
297 | } | |
298 | ||
299 | /* callcain + NO children */ | |
300 | static int test2(struct perf_evsel *evsel, struct machine *machine) | |
301 | { | |
302 | int err; | |
4ea062ed | 303 | struct hists *hists = evsel__hists(evsel); |
0506aecc NK |
304 | /* |
305 | * expected output: | |
306 | * | |
307 | * Overhead Command Shared Object Symbol | |
308 | * ======== ======= ============= ============== | |
309 | * 20.00% perf perf [.] main | |
310 | * | | |
311 | * --- main | |
312 | * | |
313 | * 10.00% bash [kernel] [k] page_fault | |
314 | * | | |
315 | * --- page_fault | |
316 | * malloc | |
317 | * main | |
318 | * | |
319 | * 10.00% bash bash [.] main | |
320 | * | | |
321 | * --- main | |
322 | * | |
323 | * 10.00% bash bash [.] xmalloc | |
324 | * | | |
325 | * --- xmalloc | |
326 | * malloc | |
327 | * xmalloc <--- NOTE: there's a cycle | |
328 | * malloc | |
329 | * xmalloc | |
330 | * main | |
331 | * | |
332 | * 10.00% perf [kernel] [k] page_fault | |
333 | * | | |
334 | * --- page_fault | |
335 | * sys_perf_event_open | |
336 | * run_command | |
337 | * main | |
338 | * | |
339 | * 10.00% perf [kernel] [k] schedule | |
340 | * | | |
341 | * --- schedule | |
342 | * run_command | |
343 | * main | |
344 | * | |
345 | * 10.00% perf libc [.] free | |
346 | * | | |
347 | * --- free | |
348 | * cmd_record | |
349 | * run_command | |
350 | * main | |
351 | * | |
352 | * 10.00% perf libc [.] malloc | |
353 | * | | |
354 | * --- malloc | |
355 | * cmd_record | |
356 | * run_command | |
357 | * main | |
358 | * | |
359 | * 10.00% perf perf [.] cmd_record | |
360 | * | | |
361 | * --- cmd_record | |
362 | * run_command | |
363 | * main | |
364 | * | |
365 | */ | |
366 | struct result expected[] = { | |
367 | { 0, 2000, "perf", "perf", "main" }, | |
368 | { 0, 1000, "bash", "[kernel]", "page_fault" }, | |
369 | { 0, 1000, "bash", "bash", "main" }, | |
370 | { 0, 1000, "bash", "bash", "xmalloc" }, | |
371 | { 0, 1000, "perf", "[kernel]", "page_fault" }, | |
372 | { 0, 1000, "perf", "[kernel]", "schedule" }, | |
373 | { 0, 1000, "perf", "libc", "free" }, | |
374 | { 0, 1000, "perf", "libc", "malloc" }, | |
375 | { 0, 1000, "perf", "perf", "cmd_record" }, | |
376 | }; | |
377 | struct callchain_result expected_callchain[] = { | |
378 | { | |
379 | 1, { { "perf", "main" }, }, | |
380 | }, | |
381 | { | |
382 | 3, { { "[kernel]", "page_fault" }, | |
383 | { "libc", "malloc" }, | |
384 | { "bash", "main" }, }, | |
385 | }, | |
386 | { | |
387 | 1, { { "bash", "main" }, }, | |
388 | }, | |
389 | { | |
390 | 6, { { "bash", "xmalloc" }, | |
391 | { "libc", "malloc" }, | |
392 | { "bash", "xmalloc" }, | |
393 | { "libc", "malloc" }, | |
394 | { "bash", "xmalloc" }, | |
395 | { "bash", "main" }, }, | |
396 | }, | |
397 | { | |
398 | 4, { { "[kernel]", "page_fault" }, | |
399 | { "[kernel]", "sys_perf_event_open" }, | |
400 | { "perf", "run_command" }, | |
401 | { "perf", "main" }, }, | |
402 | }, | |
403 | { | |
404 | 3, { { "[kernel]", "schedule" }, | |
405 | { "perf", "run_command" }, | |
406 | { "perf", "main" }, }, | |
407 | }, | |
408 | { | |
409 | 4, { { "libc", "free" }, | |
410 | { "perf", "cmd_record" }, | |
411 | { "perf", "run_command" }, | |
412 | { "perf", "main" }, }, | |
413 | }, | |
414 | { | |
415 | 4, { { "libc", "malloc" }, | |
416 | { "perf", "cmd_record" }, | |
417 | { "perf", "run_command" }, | |
418 | { "perf", "main" }, }, | |
419 | }, | |
420 | { | |
421 | 3, { { "perf", "cmd_record" }, | |
422 | { "perf", "run_command" }, | |
423 | { "perf", "main" }, }, | |
424 | }, | |
425 | }; | |
426 | ||
427 | symbol_conf.use_callchain = true; | |
428 | symbol_conf.cumulate_callchain = false; | |
f9db0d0f | 429 | perf_evsel__set_sample_bit(evsel, CALLCHAIN); |
0506aecc | 430 | |
40184c46 | 431 | setup_sorting(NULL); |
0506aecc NK |
432 | callchain_register_param(&callchain_param); |
433 | ||
434 | err = add_hist_entries(hists, machine); | |
435 | if (err < 0) | |
436 | goto out; | |
437 | ||
438 | err = do_test(hists, expected, ARRAY_SIZE(expected), | |
439 | expected_callchain, ARRAY_SIZE(expected_callchain)); | |
440 | ||
441 | out: | |
442 | del_hist_entries(hists); | |
443 | reset_output_field(); | |
444 | return err; | |
445 | } | |
446 | ||
447 | /* NO callchain + children */ | |
448 | static int test3(struct perf_evsel *evsel, struct machine *machine) | |
449 | { | |
450 | int err; | |
4ea062ed | 451 | struct hists *hists = evsel__hists(evsel); |
0506aecc NK |
452 | /* |
453 | * expected output: | |
454 | * | |
455 | * Children Self Command Shared Object Symbol | |
456 | * ======== ======== ======= ============= ======================= | |
457 | * 70.00% 20.00% perf perf [.] main | |
458 | * 50.00% 0.00% perf perf [.] run_command | |
459 | * 30.00% 10.00% bash bash [.] main | |
460 | * 30.00% 10.00% perf perf [.] cmd_record | |
461 | * 20.00% 0.00% bash libc [.] malloc | |
462 | * 10.00% 10.00% bash [kernel] [k] page_fault | |
5ca82710 | 463 | * 10.00% 10.00% bash bash [.] xmalloc |
0506aecc | 464 | * 10.00% 10.00% perf [kernel] [k] page_fault |
0506aecc | 465 | * 10.00% 10.00% perf libc [.] malloc |
5ca82710 NK |
466 | * 10.00% 10.00% perf [kernel] [k] schedule |
467 | * 10.00% 10.00% perf libc [.] free | |
468 | * 10.00% 0.00% perf [kernel] [k] sys_perf_event_open | |
0506aecc NK |
469 | */ |
470 | struct result expected[] = { | |
471 | { 7000, 2000, "perf", "perf", "main" }, | |
472 | { 5000, 0, "perf", "perf", "run_command" }, | |
473 | { 3000, 1000, "bash", "bash", "main" }, | |
474 | { 3000, 1000, "perf", "perf", "cmd_record" }, | |
475 | { 2000, 0, "bash", "libc", "malloc" }, | |
476 | { 1000, 1000, "bash", "[kernel]", "page_fault" }, | |
5ca82710 | 477 | { 1000, 1000, "bash", "bash", "xmalloc" }, |
0506aecc | 478 | { 1000, 1000, "perf", "[kernel]", "page_fault" }, |
5ca82710 | 479 | { 1000, 1000, "perf", "[kernel]", "schedule" }, |
0506aecc NK |
480 | { 1000, 1000, "perf", "libc", "free" }, |
481 | { 1000, 1000, "perf", "libc", "malloc" }, | |
5ca82710 | 482 | { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, |
0506aecc NK |
483 | }; |
484 | ||
485 | symbol_conf.use_callchain = false; | |
486 | symbol_conf.cumulate_callchain = true; | |
f9db0d0f | 487 | perf_evsel__reset_sample_bit(evsel, CALLCHAIN); |
0506aecc | 488 | |
40184c46 | 489 | setup_sorting(NULL); |
0506aecc NK |
490 | callchain_register_param(&callchain_param); |
491 | ||
492 | err = add_hist_entries(hists, machine); | |
493 | if (err < 0) | |
494 | goto out; | |
495 | ||
496 | err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0); | |
497 | ||
498 | out: | |
499 | del_hist_entries(hists); | |
500 | reset_output_field(); | |
501 | return err; | |
502 | } | |
503 | ||
504 | /* callchain + children */ | |
505 | static int test4(struct perf_evsel *evsel, struct machine *machine) | |
506 | { | |
507 | int err; | |
4ea062ed | 508 | struct hists *hists = evsel__hists(evsel); |
0506aecc NK |
509 | /* |
510 | * expected output: | |
511 | * | |
512 | * Children Self Command Shared Object Symbol | |
513 | * ======== ======== ======= ============= ======================= | |
514 | * 70.00% 20.00% perf perf [.] main | |
515 | * | | |
516 | * --- main | |
517 | * | |
518 | * 50.00% 0.00% perf perf [.] run_command | |
519 | * | | |
520 | * --- run_command | |
521 | * main | |
522 | * | |
523 | * 30.00% 10.00% bash bash [.] main | |
524 | * | | |
525 | * --- main | |
526 | * | |
527 | * 30.00% 10.00% perf perf [.] cmd_record | |
528 | * | | |
529 | * --- cmd_record | |
530 | * run_command | |
531 | * main | |
532 | * | |
533 | * 20.00% 0.00% bash libc [.] malloc | |
534 | * | | |
535 | * --- malloc | |
536 | * | | |
537 | * |--50.00%-- xmalloc | |
538 | * | main | |
539 | * --50.00%-- main | |
540 | * | |
541 | * 10.00% 10.00% bash [kernel] [k] page_fault | |
542 | * | | |
543 | * --- page_fault | |
544 | * malloc | |
545 | * main | |
546 | * | |
5ca82710 | 547 | * 10.00% 10.00% bash bash [.] xmalloc |
0506aecc | 548 | * | |
5ca82710 NK |
549 | * --- xmalloc |
550 | * malloc | |
551 | * xmalloc <--- NOTE: there's a cycle | |
552 | * malloc | |
553 | * xmalloc | |
0506aecc NK |
554 | * main |
555 | * | |
556 | * 10.00% 0.00% perf [kernel] [k] sys_perf_event_open | |
557 | * | | |
558 | * --- sys_perf_event_open | |
559 | * run_command | |
560 | * main | |
561 | * | |
562 | * 10.00% 10.00% perf [kernel] [k] page_fault | |
563 | * | | |
564 | * --- page_fault | |
565 | * sys_perf_event_open | |
566 | * run_command | |
567 | * main | |
568 | * | |
5ca82710 NK |
569 | * 10.00% 10.00% perf [kernel] [k] schedule |
570 | * | | |
571 | * --- schedule | |
572 | * run_command | |
573 | * main | |
574 | * | |
0506aecc NK |
575 | * 10.00% 10.00% perf libc [.] free |
576 | * | | |
577 | * --- free | |
578 | * cmd_record | |
579 | * run_command | |
580 | * main | |
581 | * | |
582 | * 10.00% 10.00% perf libc [.] malloc | |
583 | * | | |
584 | * --- malloc | |
585 | * cmd_record | |
586 | * run_command | |
587 | * main | |
588 | * | |
0506aecc NK |
589 | */ |
590 | struct result expected[] = { | |
591 | { 7000, 2000, "perf", "perf", "main" }, | |
592 | { 5000, 0, "perf", "perf", "run_command" }, | |
593 | { 3000, 1000, "bash", "bash", "main" }, | |
594 | { 3000, 1000, "perf", "perf", "cmd_record" }, | |
595 | { 2000, 0, "bash", "libc", "malloc" }, | |
596 | { 1000, 1000, "bash", "[kernel]", "page_fault" }, | |
5ca82710 | 597 | { 1000, 1000, "bash", "bash", "xmalloc" }, |
0506aecc NK |
598 | { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, |
599 | { 1000, 1000, "perf", "[kernel]", "page_fault" }, | |
5ca82710 | 600 | { 1000, 1000, "perf", "[kernel]", "schedule" }, |
0506aecc NK |
601 | { 1000, 1000, "perf", "libc", "free" }, |
602 | { 1000, 1000, "perf", "libc", "malloc" }, | |
0506aecc NK |
603 | }; |
604 | struct callchain_result expected_callchain[] = { | |
605 | { | |
606 | 1, { { "perf", "main" }, }, | |
607 | }, | |
608 | { | |
609 | 2, { { "perf", "run_command" }, | |
610 | { "perf", "main" }, }, | |
611 | }, | |
612 | { | |
613 | 1, { { "bash", "main" }, }, | |
614 | }, | |
615 | { | |
616 | 3, { { "perf", "cmd_record" }, | |
617 | { "perf", "run_command" }, | |
618 | { "perf", "main" }, }, | |
619 | }, | |
620 | { | |
621 | 4, { { "libc", "malloc" }, | |
622 | { "bash", "xmalloc" }, | |
623 | { "bash", "main" }, | |
624 | { "bash", "main" }, }, | |
625 | }, | |
626 | { | |
627 | 3, { { "[kernel]", "page_fault" }, | |
628 | { "libc", "malloc" }, | |
629 | { "bash", "main" }, }, | |
630 | }, | |
631 | { | |
5ca82710 NK |
632 | 6, { { "bash", "xmalloc" }, |
633 | { "libc", "malloc" }, | |
634 | { "bash", "xmalloc" }, | |
635 | { "libc", "malloc" }, | |
636 | { "bash", "xmalloc" }, | |
637 | { "bash", "main" }, }, | |
0506aecc NK |
638 | }, |
639 | { | |
640 | 3, { { "[kernel]", "sys_perf_event_open" }, | |
641 | { "perf", "run_command" }, | |
642 | { "perf", "main" }, }, | |
643 | }, | |
644 | { | |
645 | 4, { { "[kernel]", "page_fault" }, | |
646 | { "[kernel]", "sys_perf_event_open" }, | |
647 | { "perf", "run_command" }, | |
648 | { "perf", "main" }, }, | |
649 | }, | |
5ca82710 NK |
650 | { |
651 | 3, { { "[kernel]", "schedule" }, | |
652 | { "perf", "run_command" }, | |
653 | { "perf", "main" }, }, | |
654 | }, | |
0506aecc NK |
655 | { |
656 | 4, { { "libc", "free" }, | |
657 | { "perf", "cmd_record" }, | |
658 | { "perf", "run_command" }, | |
659 | { "perf", "main" }, }, | |
660 | }, | |
661 | { | |
662 | 4, { { "libc", "malloc" }, | |
663 | { "perf", "cmd_record" }, | |
664 | { "perf", "run_command" }, | |
665 | { "perf", "main" }, }, | |
666 | }, | |
0506aecc NK |
667 | }; |
668 | ||
669 | symbol_conf.use_callchain = true; | |
670 | symbol_conf.cumulate_callchain = true; | |
f9db0d0f | 671 | perf_evsel__set_sample_bit(evsel, CALLCHAIN); |
0506aecc | 672 | |
40184c46 | 673 | setup_sorting(NULL); |
347ca878 JO |
674 | |
675 | callchain_param = callchain_param_default; | |
0506aecc NK |
676 | callchain_register_param(&callchain_param); |
677 | ||
678 | err = add_hist_entries(hists, machine); | |
679 | if (err < 0) | |
680 | goto out; | |
681 | ||
682 | err = do_test(hists, expected, ARRAY_SIZE(expected), | |
683 | expected_callchain, ARRAY_SIZE(expected_callchain)); | |
684 | ||
685 | out: | |
686 | del_hist_entries(hists); | |
687 | reset_output_field(); | |
688 | return err; | |
689 | } | |
690 | ||
81f17c90 | 691 | int test__hists_cumulate(struct test *test __maybe_unused, int subtest __maybe_unused) |
0506aecc NK |
692 | { |
693 | int err = TEST_FAIL; | |
694 | struct machines machines; | |
695 | struct machine *machine; | |
696 | struct perf_evsel *evsel; | |
697 | struct perf_evlist *evlist = perf_evlist__new(); | |
698 | size_t i; | |
699 | test_fn_t testcases[] = { | |
700 | test1, | |
701 | test2, | |
702 | test3, | |
703 | test4, | |
704 | }; | |
705 | ||
706 | TEST_ASSERT_VAL("No memory", evlist); | |
707 | ||
b39b8393 | 708 | err = parse_events(evlist, "cpu-clock", NULL); |
0506aecc NK |
709 | if (err) |
710 | goto out; | |
b0500c16 | 711 | err = TEST_FAIL; |
0506aecc NK |
712 | |
713 | machines__init(&machines); | |
714 | ||
715 | /* setup threads/dso/map/symbols also */ | |
716 | machine = setup_fake_machine(&machines); | |
717 | if (!machine) | |
718 | goto out; | |
719 | ||
720 | if (verbose > 1) | |
721 | machine__fprintf(machine, stderr); | |
722 | ||
723 | evsel = perf_evlist__first(evlist); | |
724 | ||
725 | for (i = 0; i < ARRAY_SIZE(testcases); i++) { | |
726 | err = testcases[i](evsel, machine); | |
727 | if (err < 0) | |
728 | break; | |
729 | } | |
730 | ||
731 | out: | |
732 | /* tear down everything */ | |
733 | perf_evlist__delete(evlist); | |
734 | machines__exit(&machines); | |
735 | ||
736 | return err; | |
737 | } |