Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
0506aecc | 2 | #include "util/debug.h" |
4a3cec84 | 3 | #include "util/dso.h" |
5ab8c689 | 4 | #include "util/event.h" |
1101f69a | 5 | #include "util/map.h" |
0506aecc NK |
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" | |
0506aecc | 11 | #include "util/parse-events.h" |
0dd5041c | 12 | #include "util/thread.h" |
0506aecc NK |
13 | #include "tests/tests.h" |
14 | #include "tests/hists_common.h" | |
877a7a11 | 15 | #include <linux/kernel.h> |
0506aecc NK |
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 | /* | |
4d39c89f | 50 | * Will be cast to struct ip_callchain which has all 64 bit entries |
0506aecc NK |
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; | |
32dcd021 | 83 | struct evsel *evsel = hists_to_evsel(hists); |
0506aecc NK |
84 | struct perf_sample sample = { .period = 1000, }; |
85 | size_t i; | |
86 | ||
0dd5041c | 87 | addr_location__init(&al); |
0506aecc | 88 | for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { |
0506aecc | 89 | struct hist_entry_iter iter = { |
063bd936 NK |
90 | .evsel = evsel, |
91 | .sample = &sample, | |
0506aecc NK |
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 | ||
473398a2 | 100 | sample.cpumode = PERF_RECORD_MISC_USER; |
0506aecc NK |
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 | ||
bb3eb566 | 106 | if (machine__resolve(machine, &al, &sample) < 0) |
0506aecc NK |
107 | goto out; |
108 | ||
4cb93446 | 109 | if (hist_entry_iter__add(&iter, &al, sysctl_perf_event_max_stack, |
063bd936 | 110 | NULL) < 0) { |
0506aecc | 111 | goto out; |
b91fc39f | 112 | } |
0506aecc | 113 | |
0dd5041c IR |
114 | thread__put(fake_samples[i].thread); |
115 | fake_samples[i].thread = thread__get(al.thread); | |
ec417ad4 | 116 | map__put(fake_samples[i].map); |
0dd5041c | 117 | fake_samples[i].map = map__get(al.map); |
0506aecc NK |
118 | fake_samples[i].sym = al.sym; |
119 | } | |
120 | ||
0dd5041c | 121 | addr_location__exit(&al); |
0506aecc NK |
122 | return TEST_OK; |
123 | ||
124 | out: | |
125 | pr_debug("Not enough memory for adding a hist entry\n"); | |
0dd5041c | 126 | addr_location__exit(&al); |
0506aecc NK |
127 | return TEST_FAIL; |
128 | } | |
129 | ||
130 | static void del_hist_entries(struct hists *hists) | |
131 | { | |
132 | struct hist_entry *he; | |
2eb3d689 DB |
133 | struct rb_root_cached *root_in; |
134 | struct rb_root_cached *root_out; | |
0506aecc NK |
135 | struct rb_node *node; |
136 | ||
52225036 | 137 | if (hists__has(hists, need_collapse)) |
0506aecc NK |
138 | root_in = &hists->entries_collapsed; |
139 | else | |
140 | root_in = hists->entries_in; | |
141 | ||
142 | root_out = &hists->entries; | |
143 | ||
2eb3d689 DB |
144 | while (!RB_EMPTY_ROOT(&root_out->rb_root)) { |
145 | node = rb_first_cached(root_out); | |
0506aecc NK |
146 | |
147 | he = rb_entry(node, struct hist_entry, rb_node); | |
2eb3d689 DB |
148 | rb_erase_cached(node, root_out); |
149 | rb_erase_cached(&he->rb_node_in, root_in); | |
6733d1bf | 150 | hist_entry__delete(he); |
0506aecc NK |
151 | } |
152 | } | |
153 | ||
ec417ad4 IR |
154 | static void put_fake_samples(void) |
155 | { | |
156 | size_t i; | |
157 | ||
0dd5041c IR |
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 | } | |
ec417ad4 IR |
162 | } |
163 | ||
32dcd021 | 164 | typedef int (*test_fn_t)(struct evsel *, struct machine *); |
0506aecc NK |
165 | |
166 | #define COMM(he) (thread__comm_str(he->thread)) | |
ee756ef7 | 167 | #define DSO(he) (dso__short_name(map__dso(he->ms.map))) |
0506aecc NK |
168 | #define SYM(he) (he->ms.sym->name) |
169 | #define CPU(he) (he->cpu) | |
0506aecc | 170 | #define DEPTH(he) (he->callchain->max_depth) |
ee756ef7 | 171 | #define CDSO(cl) (dso__short_name(map__dso(cl->ms.map))) |
0506aecc NK |
172 | #define CSYM(cl) (cl->ms.sym->name) |
173 | ||
174 | struct result { | |
175 | u64 children; | |
176 | u64 self; | |
177 | const char *comm; | |
178 | const char *dso; | |
179 | const char *sym; | |
180 | }; | |
181 | ||
182 | struct callchain_result { | |
183 | u64 nr; | |
184 | struct { | |
185 | const char *dso; | |
186 | const char *sym; | |
187 | } node[10]; | |
188 | }; | |
189 | ||
190 | static 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); | |
10c513f7 | 206 | evsel__output_resort(hists_to_evsel(hists), NULL); |
0506aecc NK |
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 | ||
2eb3d689 | 215 | root = &hists->entries.rb_root; |
0506aecc NK |
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; | |
347ca878 JO |
236 | |
237 | TEST_ASSERT_VAL("callchains expected", !RB_EMPTY_ROOT(root)); | |
0506aecc NK |
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 */ | |
32dcd021 | 263 | static int test1(struct evsel *evsel, struct machine *machine) |
0506aecc NK |
264 | { |
265 | int err; | |
4ea062ed | 266 | struct hists *hists = evsel__hists(evsel); |
0506aecc NK |
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; | |
862b2f8f | 296 | evsel__reset_sample_bit(evsel, CALLCHAIN); |
0506aecc | 297 | |
40184c46 | 298 | setup_sorting(NULL); |
0506aecc NK |
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 | ||
307 | out: | |
308 | del_hist_entries(hists); | |
309 | reset_output_field(); | |
310 | return err; | |
311 | } | |
312 | ||
4d39c89f | 313 | /* callchain + NO children */ |
32dcd021 | 314 | static int test2(struct evsel *evsel, struct machine *machine) |
0506aecc NK |
315 | { |
316 | int err; | |
4ea062ed | 317 | struct hists *hists = evsel__hists(evsel); |
0506aecc NK |
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; | |
862b2f8f | 443 | evsel__set_sample_bit(evsel, CALLCHAIN); |
0506aecc | 444 | |
40184c46 | 445 | setup_sorting(NULL); |
0506aecc NK |
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 | ||
455 | out: | |
456 | del_hist_entries(hists); | |
457 | reset_output_field(); | |
458 | return err; | |
459 | } | |
460 | ||
461 | /* NO callchain + children */ | |
32dcd021 | 462 | static int test3(struct evsel *evsel, struct machine *machine) |
0506aecc NK |
463 | { |
464 | int err; | |
4ea062ed | 465 | struct hists *hists = evsel__hists(evsel); |
0506aecc NK |
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 | |
5ca82710 | 477 | * 10.00% 10.00% bash bash [.] xmalloc |
0506aecc | 478 | * 10.00% 10.00% perf [kernel] [k] page_fault |
0506aecc | 479 | * 10.00% 10.00% perf libc [.] malloc |
5ca82710 NK |
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 | |
0506aecc NK |
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" }, | |
5ca82710 | 491 | { 1000, 1000, "bash", "bash", "xmalloc" }, |
0506aecc | 492 | { 1000, 1000, "perf", "[kernel]", "page_fault" }, |
5ca82710 | 493 | { 1000, 1000, "perf", "[kernel]", "schedule" }, |
0506aecc NK |
494 | { 1000, 1000, "perf", "libc", "free" }, |
495 | { 1000, 1000, "perf", "libc", "malloc" }, | |
5ca82710 | 496 | { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, |
0506aecc NK |
497 | }; |
498 | ||
499 | symbol_conf.use_callchain = false; | |
500 | symbol_conf.cumulate_callchain = true; | |
862b2f8f | 501 | evsel__reset_sample_bit(evsel, CALLCHAIN); |
0506aecc | 502 | |
40184c46 | 503 | setup_sorting(NULL); |
0506aecc NK |
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 | ||
512 | out: | |
513 | del_hist_entries(hists); | |
514 | reset_output_field(); | |
515 | return err; | |
516 | } | |
517 | ||
518 | /* callchain + children */ | |
32dcd021 | 519 | static int test4(struct evsel *evsel, struct machine *machine) |
0506aecc NK |
520 | { |
521 | int err; | |
4ea062ed | 522 | struct hists *hists = evsel__hists(evsel); |
0506aecc NK |
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 | * | |
5ca82710 | 561 | * 10.00% 10.00% bash bash [.] xmalloc |
0506aecc | 562 | * | |
5ca82710 NK |
563 | * --- xmalloc |
564 | * malloc | |
565 | * xmalloc <--- NOTE: there's a cycle | |
566 | * malloc | |
567 | * xmalloc | |
0506aecc NK |
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 | * | |
5ca82710 NK |
583 | * 10.00% 10.00% perf [kernel] [k] schedule |
584 | * | | |
585 | * --- schedule | |
586 | * run_command | |
587 | * main | |
588 | * | |
0506aecc NK |
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 | * | |
0506aecc NK |
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" }, | |
5ca82710 | 611 | { 1000, 1000, "bash", "bash", "xmalloc" }, |
0506aecc NK |
612 | { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, |
613 | { 1000, 1000, "perf", "[kernel]", "page_fault" }, | |
5ca82710 | 614 | { 1000, 1000, "perf", "[kernel]", "schedule" }, |
0506aecc NK |
615 | { 1000, 1000, "perf", "libc", "free" }, |
616 | { 1000, 1000, "perf", "libc", "malloc" }, | |
0506aecc NK |
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 | { | |
5ca82710 NK |
646 | 6, { { "bash", "xmalloc" }, |
647 | { "libc", "malloc" }, | |
648 | { "bash", "xmalloc" }, | |
649 | { "libc", "malloc" }, | |
650 | { "bash", "xmalloc" }, | |
651 | { "bash", "main" }, }, | |
0506aecc NK |
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 | }, | |
5ca82710 NK |
664 | { |
665 | 3, { { "[kernel]", "schedule" }, | |
666 | { "perf", "run_command" }, | |
667 | { "perf", "main" }, }, | |
668 | }, | |
0506aecc NK |
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 | }, | |
0506aecc NK |
681 | }; |
682 | ||
683 | symbol_conf.use_callchain = true; | |
684 | symbol_conf.cumulate_callchain = true; | |
862b2f8f | 685 | evsel__set_sample_bit(evsel, CALLCHAIN); |
0506aecc | 686 | |
40184c46 | 687 | setup_sorting(NULL); |
347ca878 JO |
688 | |
689 | callchain_param = callchain_param_default; | |
0506aecc NK |
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 | ||
699 | out: | |
700 | del_hist_entries(hists); | |
701 | reset_output_field(); | |
702 | return err; | |
703 | } | |
704 | ||
33f44bfd | 705 | static int test__hists_cumulate(struct test_suite *test __maybe_unused, int subtest __maybe_unused) |
0506aecc NK |
706 | { |
707 | int err = TEST_FAIL; | |
708 | struct machines machines; | |
709 | struct machine *machine; | |
32dcd021 | 710 | struct evsel *evsel; |
0f98b11c | 711 | struct evlist *evlist = evlist__new(); |
0506aecc NK |
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 | ||
806731a9 | 722 | err = parse_event(evlist, "cpu-clock"); |
0506aecc NK |
723 | if (err) |
724 | goto out; | |
b0500c16 | 725 | err = TEST_FAIL; |
0506aecc NK |
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 | ||
515dbe48 | 737 | evsel = evlist__first(evlist); |
0506aecc NK |
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 */ | |
c12995a5 | 747 | evlist__delete(evlist); |
0506aecc | 748 | machines__exit(&machines); |
ec417ad4 | 749 | put_fake_samples(); |
0506aecc NK |
750 | |
751 | return err; | |
752 | } | |
d68f0365 IR |
753 | |
754 | DEFINE_SUITE("Cumulate child hist entries", hists_cumulate); |