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0f70d8e9 YJ |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* | |
3 | * builtin-kwork.c | |
4 | * | |
5 | * Copyright (c) 2022 Huawei Inc, Yang Jihong <yangjihong1@huawei.com> | |
6 | */ | |
7 | ||
8 | #include "builtin.h" | |
628d6999 | 9 | #include "perf.h" |
0f70d8e9 YJ |
10 | |
11 | #include "util/data.h" | |
628d6999 ACM |
12 | #include "util/evlist.h" |
13 | #include "util/evsel.h" | |
14 | #include "util/header.h" | |
0f70d8e9 YJ |
15 | #include "util/kwork.h" |
16 | #include "util/debug.h" | |
628d6999 | 17 | #include "util/session.h" |
0f70d8e9 YJ |
18 | #include "util/symbol.h" |
19 | #include "util/thread.h" | |
20 | #include "util/string2.h" | |
21 | #include "util/callchain.h" | |
22 | #include "util/evsel_fprintf.h" | |
23 | ||
24 | #include <subcmd/pager.h> | |
25 | #include <subcmd/parse-options.h> | |
378ef0f5 | 26 | #include <traceevent/event-parse.h> |
0f70d8e9 YJ |
27 | |
28 | #include <errno.h> | |
29 | #include <inttypes.h> | |
628d6999 | 30 | #include <signal.h> |
0f70d8e9 YJ |
31 | #include <linux/err.h> |
32 | #include <linux/time64.h> | |
33 | #include <linux/zalloc.h> | |
34 | ||
f98919ec YJ |
35 | /* |
36 | * report header elements width | |
37 | */ | |
38 | #define PRINT_CPU_WIDTH 4 | |
39 | #define PRINT_COUNT_WIDTH 9 | |
40 | #define PRINT_RUNTIME_WIDTH 10 | |
ad3d9f7a | 41 | #define PRINT_LATENCY_WIDTH 10 |
f98919ec YJ |
42 | #define PRINT_TIMESTAMP_WIDTH 17 |
43 | #define PRINT_KWORK_NAME_WIDTH 30 | |
44 | #define RPINT_DECIMAL_WIDTH 3 | |
bcc8b3e8 | 45 | #define PRINT_BRACKETPAIR_WIDTH 2 |
f98919ec YJ |
46 | #define PRINT_TIME_UNIT_SEC_WIDTH 2 |
47 | #define PRINT_TIME_UNIT_MESC_WIDTH 3 | |
48 | #define PRINT_RUNTIME_HEADER_WIDTH (PRINT_RUNTIME_WIDTH + PRINT_TIME_UNIT_MESC_WIDTH) | |
ad3d9f7a | 49 | #define PRINT_LATENCY_HEADER_WIDTH (PRINT_LATENCY_WIDTH + PRINT_TIME_UNIT_MESC_WIDTH) |
bcc8b3e8 | 50 | #define PRINT_TIMEHIST_CPU_WIDTH (PRINT_CPU_WIDTH + PRINT_BRACKETPAIR_WIDTH) |
f98919ec YJ |
51 | #define PRINT_TIMESTAMP_HEADER_WIDTH (PRINT_TIMESTAMP_WIDTH + PRINT_TIME_UNIT_SEC_WIDTH) |
52 | ||
53 | struct sort_dimension { | |
54 | const char *name; | |
55 | int (*cmp)(struct kwork_work *l, struct kwork_work *r); | |
56 | struct list_head list; | |
57 | }; | |
58 | ||
59 | static int id_cmp(struct kwork_work *l, struct kwork_work *r) | |
60 | { | |
61 | if (l->cpu > r->cpu) | |
62 | return 1; | |
63 | if (l->cpu < r->cpu) | |
64 | return -1; | |
65 | ||
66 | if (l->id > r->id) | |
67 | return 1; | |
68 | if (l->id < r->id) | |
69 | return -1; | |
70 | ||
71 | return 0; | |
72 | } | |
73 | ||
74 | static int count_cmp(struct kwork_work *l, struct kwork_work *r) | |
75 | { | |
76 | if (l->nr_atoms > r->nr_atoms) | |
77 | return 1; | |
78 | if (l->nr_atoms < r->nr_atoms) | |
79 | return -1; | |
80 | ||
81 | return 0; | |
82 | } | |
83 | ||
84 | static int runtime_cmp(struct kwork_work *l, struct kwork_work *r) | |
85 | { | |
86 | if (l->total_runtime > r->total_runtime) | |
87 | return 1; | |
88 | if (l->total_runtime < r->total_runtime) | |
89 | return -1; | |
90 | ||
91 | return 0; | |
92 | } | |
93 | ||
94 | static int max_runtime_cmp(struct kwork_work *l, struct kwork_work *r) | |
95 | { | |
96 | if (l->max_runtime > r->max_runtime) | |
97 | return 1; | |
98 | if (l->max_runtime < r->max_runtime) | |
99 | return -1; | |
100 | ||
101 | return 0; | |
102 | } | |
103 | ||
ad3d9f7a YJ |
104 | static int avg_latency_cmp(struct kwork_work *l, struct kwork_work *r) |
105 | { | |
106 | u64 avgl, avgr; | |
107 | ||
108 | if (!r->nr_atoms) | |
109 | return 1; | |
110 | if (!l->nr_atoms) | |
111 | return -1; | |
112 | ||
113 | avgl = l->total_latency / l->nr_atoms; | |
114 | avgr = r->total_latency / r->nr_atoms; | |
115 | ||
116 | if (avgl > avgr) | |
117 | return 1; | |
118 | if (avgl < avgr) | |
119 | return -1; | |
120 | ||
121 | return 0; | |
122 | } | |
123 | ||
124 | static int max_latency_cmp(struct kwork_work *l, struct kwork_work *r) | |
125 | { | |
126 | if (l->max_latency > r->max_latency) | |
127 | return 1; | |
128 | if (l->max_latency < r->max_latency) | |
129 | return -1; | |
130 | ||
131 | return 0; | |
132 | } | |
133 | ||
f98919ec YJ |
134 | static int sort_dimension__add(struct perf_kwork *kwork __maybe_unused, |
135 | const char *tok, struct list_head *list) | |
136 | { | |
137 | size_t i; | |
138 | static struct sort_dimension max_sort_dimension = { | |
139 | .name = "max", | |
140 | .cmp = max_runtime_cmp, | |
141 | }; | |
142 | static struct sort_dimension id_sort_dimension = { | |
143 | .name = "id", | |
144 | .cmp = id_cmp, | |
145 | }; | |
146 | static struct sort_dimension runtime_sort_dimension = { | |
147 | .name = "runtime", | |
148 | .cmp = runtime_cmp, | |
149 | }; | |
150 | static struct sort_dimension count_sort_dimension = { | |
151 | .name = "count", | |
152 | .cmp = count_cmp, | |
153 | }; | |
ad3d9f7a YJ |
154 | static struct sort_dimension avg_sort_dimension = { |
155 | .name = "avg", | |
156 | .cmp = avg_latency_cmp, | |
157 | }; | |
f98919ec YJ |
158 | struct sort_dimension *available_sorts[] = { |
159 | &id_sort_dimension, | |
160 | &max_sort_dimension, | |
161 | &count_sort_dimension, | |
162 | &runtime_sort_dimension, | |
ad3d9f7a | 163 | &avg_sort_dimension, |
f98919ec YJ |
164 | }; |
165 | ||
ad3d9f7a YJ |
166 | if (kwork->report == KWORK_REPORT_LATENCY) |
167 | max_sort_dimension.cmp = max_latency_cmp; | |
168 | ||
f98919ec YJ |
169 | for (i = 0; i < ARRAY_SIZE(available_sorts); i++) { |
170 | if (!strcmp(available_sorts[i]->name, tok)) { | |
171 | list_add_tail(&available_sorts[i]->list, list); | |
172 | return 0; | |
173 | } | |
174 | } | |
175 | ||
176 | return -1; | |
177 | } | |
178 | ||
179 | static void setup_sorting(struct perf_kwork *kwork, | |
180 | const struct option *options, | |
181 | const char * const usage_msg[]) | |
182 | { | |
183 | char *tmp, *tok, *str = strdup(kwork->sort_order); | |
184 | ||
185 | for (tok = strtok_r(str, ", ", &tmp); | |
186 | tok; tok = strtok_r(NULL, ", ", &tmp)) { | |
187 | if (sort_dimension__add(kwork, tok, &kwork->sort_list) < 0) | |
188 | usage_with_options_msg(usage_msg, options, | |
189 | "Unknown --sort key: `%s'", tok); | |
190 | } | |
191 | ||
192 | pr_debug("Sort order: %s\n", kwork->sort_order); | |
193 | free(str); | |
194 | } | |
195 | ||
196 | static struct kwork_atom *atom_new(struct perf_kwork *kwork, | |
197 | struct perf_sample *sample) | |
198 | { | |
199 | unsigned long i; | |
200 | struct kwork_atom_page *page; | |
201 | struct kwork_atom *atom = NULL; | |
202 | ||
203 | list_for_each_entry(page, &kwork->atom_page_list, list) { | |
204 | if (!bitmap_full(page->bitmap, NR_ATOM_PER_PAGE)) { | |
205 | i = find_first_zero_bit(page->bitmap, NR_ATOM_PER_PAGE); | |
206 | BUG_ON(i >= NR_ATOM_PER_PAGE); | |
207 | atom = &page->atoms[i]; | |
208 | goto found_atom; | |
209 | } | |
210 | } | |
211 | ||
212 | /* | |
213 | * new page | |
214 | */ | |
215 | page = zalloc(sizeof(*page)); | |
216 | if (page == NULL) { | |
217 | pr_err("Failed to zalloc kwork atom page\n"); | |
218 | return NULL; | |
219 | } | |
220 | ||
221 | i = 0; | |
222 | atom = &page->atoms[0]; | |
223 | list_add_tail(&page->list, &kwork->atom_page_list); | |
224 | ||
225 | found_atom: | |
49bd97c2 | 226 | __set_bit(i, page->bitmap); |
f98919ec YJ |
227 | atom->time = sample->time; |
228 | atom->prev = NULL; | |
229 | atom->page_addr = page; | |
230 | atom->bit_inpage = i; | |
231 | return atom; | |
232 | } | |
233 | ||
234 | static void atom_free(struct kwork_atom *atom) | |
235 | { | |
236 | if (atom->prev != NULL) | |
237 | atom_free(atom->prev); | |
238 | ||
49bd97c2 SC |
239 | __clear_bit(atom->bit_inpage, |
240 | ((struct kwork_atom_page *)atom->page_addr)->bitmap); | |
f98919ec YJ |
241 | } |
242 | ||
243 | static void atom_del(struct kwork_atom *atom) | |
244 | { | |
245 | list_del(&atom->list); | |
246 | atom_free(atom); | |
247 | } | |
248 | ||
249 | static int work_cmp(struct list_head *list, | |
250 | struct kwork_work *l, struct kwork_work *r) | |
251 | { | |
252 | int ret = 0; | |
253 | struct sort_dimension *sort; | |
254 | ||
255 | BUG_ON(list_empty(list)); | |
256 | ||
257 | list_for_each_entry(sort, list, list) { | |
258 | ret = sort->cmp(l, r); | |
259 | if (ret) | |
260 | return ret; | |
261 | } | |
262 | ||
263 | return ret; | |
264 | } | |
265 | ||
266 | static struct kwork_work *work_search(struct rb_root_cached *root, | |
267 | struct kwork_work *key, | |
268 | struct list_head *sort_list) | |
269 | { | |
270 | int cmp; | |
271 | struct kwork_work *work; | |
272 | struct rb_node *node = root->rb_root.rb_node; | |
273 | ||
274 | while (node) { | |
275 | work = container_of(node, struct kwork_work, node); | |
276 | cmp = work_cmp(sort_list, key, work); | |
277 | if (cmp > 0) | |
278 | node = node->rb_left; | |
279 | else if (cmp < 0) | |
280 | node = node->rb_right; | |
281 | else { | |
282 | if (work->name == NULL) | |
283 | work->name = key->name; | |
284 | return work; | |
285 | } | |
286 | } | |
287 | return NULL; | |
288 | } | |
289 | ||
290 | static void work_insert(struct rb_root_cached *root, | |
291 | struct kwork_work *key, struct list_head *sort_list) | |
292 | { | |
293 | int cmp; | |
294 | bool leftmost = true; | |
295 | struct kwork_work *cur; | |
296 | struct rb_node **new = &(root->rb_root.rb_node), *parent = NULL; | |
297 | ||
298 | while (*new) { | |
299 | cur = container_of(*new, struct kwork_work, node); | |
300 | parent = *new; | |
301 | cmp = work_cmp(sort_list, key, cur); | |
302 | ||
303 | if (cmp > 0) | |
304 | new = &((*new)->rb_left); | |
305 | else { | |
306 | new = &((*new)->rb_right); | |
307 | leftmost = false; | |
308 | } | |
309 | } | |
310 | ||
311 | rb_link_node(&key->node, parent, new); | |
312 | rb_insert_color_cached(&key->node, root, leftmost); | |
313 | } | |
314 | ||
315 | static struct kwork_work *work_new(struct kwork_work *key) | |
316 | { | |
317 | int i; | |
318 | struct kwork_work *work = zalloc(sizeof(*work)); | |
319 | ||
320 | if (work == NULL) { | |
321 | pr_err("Failed to zalloc kwork work\n"); | |
322 | return NULL; | |
323 | } | |
324 | ||
325 | for (i = 0; i < KWORK_TRACE_MAX; i++) | |
326 | INIT_LIST_HEAD(&work->atom_list[i]); | |
327 | ||
328 | work->id = key->id; | |
329 | work->cpu = key->cpu; | |
330 | work->name = key->name; | |
331 | work->class = key->class; | |
332 | return work; | |
333 | } | |
334 | ||
335 | static struct kwork_work *work_findnew(struct rb_root_cached *root, | |
336 | struct kwork_work *key, | |
337 | struct list_head *sort_list) | |
338 | { | |
daf07d22 | 339 | struct kwork_work *work = work_search(root, key, sort_list); |
f98919ec | 340 | |
f98919ec YJ |
341 | if (work != NULL) |
342 | return work; | |
343 | ||
344 | work = work_new(key); | |
daf07d22 YJ |
345 | if (work) |
346 | work_insert(root, work, sort_list); | |
f98919ec | 347 | |
f98919ec YJ |
348 | return work; |
349 | } | |
350 | ||
351 | static void profile_update_timespan(struct perf_kwork *kwork, | |
352 | struct perf_sample *sample) | |
353 | { | |
354 | if (!kwork->summary) | |
355 | return; | |
356 | ||
357 | if ((kwork->timestart == 0) || (kwork->timestart > sample->time)) | |
358 | kwork->timestart = sample->time; | |
359 | ||
360 | if (kwork->timeend < sample->time) | |
361 | kwork->timeend = sample->time; | |
362 | } | |
363 | ||
364 | static bool profile_event_match(struct perf_kwork *kwork, | |
365 | struct kwork_work *work, | |
366 | struct perf_sample *sample) | |
367 | { | |
368 | int cpu = work->cpu; | |
369 | u64 time = sample->time; | |
370 | struct perf_time_interval *ptime = &kwork->ptime; | |
371 | ||
372 | if ((kwork->cpu_list != NULL) && !test_bit(cpu, kwork->cpu_bitmap)) | |
373 | return false; | |
374 | ||
375 | if (((ptime->start != 0) && (ptime->start > time)) || | |
376 | ((ptime->end != 0) && (ptime->end < time))) | |
377 | return false; | |
378 | ||
379 | if ((kwork->profile_name != NULL) && | |
380 | (work->name != NULL) && | |
381 | (strcmp(work->name, kwork->profile_name) != 0)) | |
382 | return false; | |
383 | ||
384 | profile_update_timespan(kwork, sample); | |
385 | return true; | |
386 | } | |
387 | ||
388 | static int work_push_atom(struct perf_kwork *kwork, | |
389 | struct kwork_class *class, | |
390 | enum kwork_trace_type src_type, | |
391 | enum kwork_trace_type dst_type, | |
392 | struct evsel *evsel, | |
393 | struct perf_sample *sample, | |
394 | struct machine *machine, | |
395 | struct kwork_work **ret_work) | |
396 | { | |
397 | struct kwork_atom *atom, *dst_atom; | |
398 | struct kwork_work *work, key; | |
399 | ||
400 | BUG_ON(class->work_init == NULL); | |
401 | class->work_init(class, &key, evsel, sample, machine); | |
402 | ||
403 | atom = atom_new(kwork, sample); | |
404 | if (atom == NULL) | |
405 | return -1; | |
406 | ||
407 | work = work_findnew(&class->work_root, &key, &kwork->cmp_id); | |
408 | if (work == NULL) { | |
409 | free(atom); | |
410 | return -1; | |
411 | } | |
412 | ||
413 | if (!profile_event_match(kwork, work, sample)) | |
414 | return 0; | |
415 | ||
416 | if (dst_type < KWORK_TRACE_MAX) { | |
417 | dst_atom = list_last_entry_or_null(&work->atom_list[dst_type], | |
418 | struct kwork_atom, list); | |
419 | if (dst_atom != NULL) { | |
420 | atom->prev = dst_atom; | |
421 | list_del(&dst_atom->list); | |
422 | } | |
423 | } | |
424 | ||
425 | if (ret_work != NULL) | |
426 | *ret_work = work; | |
427 | ||
428 | list_add_tail(&atom->list, &work->atom_list[src_type]); | |
429 | ||
430 | return 0; | |
431 | } | |
432 | ||
433 | static struct kwork_atom *work_pop_atom(struct perf_kwork *kwork, | |
434 | struct kwork_class *class, | |
435 | enum kwork_trace_type src_type, | |
436 | enum kwork_trace_type dst_type, | |
437 | struct evsel *evsel, | |
438 | struct perf_sample *sample, | |
439 | struct machine *machine, | |
440 | struct kwork_work **ret_work) | |
441 | { | |
442 | struct kwork_atom *atom, *src_atom; | |
443 | struct kwork_work *work, key; | |
444 | ||
445 | BUG_ON(class->work_init == NULL); | |
446 | class->work_init(class, &key, evsel, sample, machine); | |
447 | ||
448 | work = work_findnew(&class->work_root, &key, &kwork->cmp_id); | |
449 | if (ret_work != NULL) | |
450 | *ret_work = work; | |
451 | ||
452 | if (work == NULL) | |
453 | return NULL; | |
454 | ||
455 | if (!profile_event_match(kwork, work, sample)) | |
456 | return NULL; | |
457 | ||
458 | atom = list_last_entry_or_null(&work->atom_list[dst_type], | |
459 | struct kwork_atom, list); | |
460 | if (atom != NULL) | |
461 | return atom; | |
462 | ||
463 | src_atom = atom_new(kwork, sample); | |
464 | if (src_atom != NULL) | |
465 | list_add_tail(&src_atom->list, &work->atom_list[src_type]); | |
466 | else { | |
467 | if (ret_work != NULL) | |
468 | *ret_work = NULL; | |
469 | } | |
470 | ||
471 | return NULL; | |
472 | } | |
473 | ||
474 | static void report_update_exit_event(struct kwork_work *work, | |
475 | struct kwork_atom *atom, | |
476 | struct perf_sample *sample) | |
477 | { | |
478 | u64 delta; | |
479 | u64 exit_time = sample->time; | |
480 | u64 entry_time = atom->time; | |
481 | ||
482 | if ((entry_time != 0) && (exit_time >= entry_time)) { | |
483 | delta = exit_time - entry_time; | |
484 | if ((delta > work->max_runtime) || | |
485 | (work->max_runtime == 0)) { | |
486 | work->max_runtime = delta; | |
487 | work->max_runtime_start = entry_time; | |
488 | work->max_runtime_end = exit_time; | |
489 | } | |
490 | work->total_runtime += delta; | |
491 | work->nr_atoms++; | |
492 | } | |
493 | } | |
494 | ||
495 | static int report_entry_event(struct perf_kwork *kwork, | |
496 | struct kwork_class *class, | |
497 | struct evsel *evsel, | |
498 | struct perf_sample *sample, | |
499 | struct machine *machine) | |
500 | { | |
501 | return work_push_atom(kwork, class, KWORK_TRACE_ENTRY, | |
502 | KWORK_TRACE_MAX, evsel, sample, | |
503 | machine, NULL); | |
504 | } | |
505 | ||
506 | static int report_exit_event(struct perf_kwork *kwork, | |
507 | struct kwork_class *class, | |
508 | struct evsel *evsel, | |
509 | struct perf_sample *sample, | |
510 | struct machine *machine) | |
511 | { | |
512 | struct kwork_atom *atom = NULL; | |
513 | struct kwork_work *work = NULL; | |
514 | ||
515 | atom = work_pop_atom(kwork, class, KWORK_TRACE_EXIT, | |
516 | KWORK_TRACE_ENTRY, evsel, sample, | |
517 | machine, &work); | |
518 | if (work == NULL) | |
519 | return -1; | |
520 | ||
521 | if (atom != NULL) { | |
522 | report_update_exit_event(work, atom, sample); | |
523 | atom_del(atom); | |
524 | } | |
525 | ||
526 | return 0; | |
527 | } | |
528 | ||
ad3d9f7a YJ |
529 | static void latency_update_entry_event(struct kwork_work *work, |
530 | struct kwork_atom *atom, | |
531 | struct perf_sample *sample) | |
532 | { | |
533 | u64 delta; | |
534 | u64 entry_time = sample->time; | |
535 | u64 raise_time = atom->time; | |
536 | ||
537 | if ((raise_time != 0) && (entry_time >= raise_time)) { | |
538 | delta = entry_time - raise_time; | |
539 | if ((delta > work->max_latency) || | |
540 | (work->max_latency == 0)) { | |
541 | work->max_latency = delta; | |
542 | work->max_latency_start = raise_time; | |
543 | work->max_latency_end = entry_time; | |
544 | } | |
545 | work->total_latency += delta; | |
546 | work->nr_atoms++; | |
547 | } | |
548 | } | |
549 | ||
550 | static int latency_raise_event(struct perf_kwork *kwork, | |
551 | struct kwork_class *class, | |
552 | struct evsel *evsel, | |
553 | struct perf_sample *sample, | |
554 | struct machine *machine) | |
555 | { | |
556 | return work_push_atom(kwork, class, KWORK_TRACE_RAISE, | |
557 | KWORK_TRACE_MAX, evsel, sample, | |
558 | machine, NULL); | |
559 | } | |
560 | ||
561 | static int latency_entry_event(struct perf_kwork *kwork, | |
562 | struct kwork_class *class, | |
563 | struct evsel *evsel, | |
564 | struct perf_sample *sample, | |
565 | struct machine *machine) | |
566 | { | |
567 | struct kwork_atom *atom = NULL; | |
568 | struct kwork_work *work = NULL; | |
569 | ||
570 | atom = work_pop_atom(kwork, class, KWORK_TRACE_ENTRY, | |
571 | KWORK_TRACE_RAISE, evsel, sample, | |
572 | machine, &work); | |
573 | if (work == NULL) | |
574 | return -1; | |
575 | ||
576 | if (atom != NULL) { | |
577 | latency_update_entry_event(work, atom, sample); | |
578 | atom_del(atom); | |
579 | } | |
580 | ||
581 | return 0; | |
582 | } | |
583 | ||
bcc8b3e8 YJ |
584 | static void timehist_save_callchain(struct perf_kwork *kwork, |
585 | struct perf_sample *sample, | |
586 | struct evsel *evsel, | |
587 | struct machine *machine) | |
588 | { | |
589 | struct symbol *sym; | |
590 | struct thread *thread; | |
591 | struct callchain_cursor_node *node; | |
592 | struct callchain_cursor *cursor = &callchain_cursor; | |
593 | ||
594 | if (!kwork->show_callchain || sample->callchain == NULL) | |
595 | return; | |
596 | ||
597 | /* want main thread for process - has maps */ | |
598 | thread = machine__findnew_thread(machine, sample->pid, sample->pid); | |
599 | if (thread == NULL) { | |
600 | pr_debug("Failed to get thread for pid %d\n", sample->pid); | |
601 | return; | |
602 | } | |
603 | ||
604 | if (thread__resolve_callchain(thread, cursor, evsel, sample, | |
605 | NULL, NULL, kwork->max_stack + 2) != 0) { | |
606 | pr_debug("Failed to resolve callchain, skipping\n"); | |
607 | goto out_put; | |
608 | } | |
609 | ||
610 | callchain_cursor_commit(cursor); | |
611 | ||
612 | while (true) { | |
613 | node = callchain_cursor_current(cursor); | |
614 | if (node == NULL) | |
615 | break; | |
616 | ||
617 | sym = node->ms.sym; | |
618 | if (sym) { | |
619 | if (!strcmp(sym->name, "__softirqentry_text_start") || | |
620 | !strcmp(sym->name, "__do_softirq")) | |
621 | sym->ignore = 1; | |
622 | } | |
623 | ||
624 | callchain_cursor_advance(cursor); | |
625 | } | |
626 | ||
627 | out_put: | |
628 | thread__put(thread); | |
629 | } | |
630 | ||
631 | static void timehist_print_event(struct perf_kwork *kwork, | |
632 | struct kwork_work *work, | |
633 | struct kwork_atom *atom, | |
634 | struct perf_sample *sample, | |
635 | struct addr_location *al) | |
636 | { | |
637 | char entrytime[32], exittime[32]; | |
638 | char kwork_name[PRINT_KWORK_NAME_WIDTH]; | |
639 | ||
640 | /* | |
641 | * runtime start | |
642 | */ | |
643 | timestamp__scnprintf_usec(atom->time, | |
644 | entrytime, sizeof(entrytime)); | |
645 | printf(" %*s ", PRINT_TIMESTAMP_WIDTH, entrytime); | |
646 | ||
647 | /* | |
648 | * runtime end | |
649 | */ | |
650 | timestamp__scnprintf_usec(sample->time, | |
651 | exittime, sizeof(exittime)); | |
652 | printf(" %*s ", PRINT_TIMESTAMP_WIDTH, exittime); | |
653 | ||
654 | /* | |
655 | * cpu | |
656 | */ | |
657 | printf(" [%0*d] ", PRINT_CPU_WIDTH, work->cpu); | |
658 | ||
659 | /* | |
660 | * kwork name | |
661 | */ | |
662 | if (work->class && work->class->work_name) { | |
663 | work->class->work_name(work, kwork_name, | |
664 | PRINT_KWORK_NAME_WIDTH); | |
665 | printf(" %-*s ", PRINT_KWORK_NAME_WIDTH, kwork_name); | |
666 | } else | |
667 | printf(" %-*s ", PRINT_KWORK_NAME_WIDTH, ""); | |
668 | ||
669 | /* | |
670 | *runtime | |
671 | */ | |
672 | printf(" %*.*f ", | |
673 | PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH, | |
674 | (double)(sample->time - atom->time) / NSEC_PER_MSEC); | |
675 | ||
676 | /* | |
677 | * delaytime | |
678 | */ | |
679 | if (atom->prev != NULL) | |
680 | printf(" %*.*f ", PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH, | |
681 | (double)(atom->time - atom->prev->time) / NSEC_PER_MSEC); | |
682 | else | |
683 | printf(" %*s ", PRINT_LATENCY_WIDTH, " "); | |
684 | ||
685 | /* | |
686 | * callchain | |
687 | */ | |
688 | if (kwork->show_callchain) { | |
689 | printf(" "); | |
690 | sample__fprintf_sym(sample, al, 0, | |
691 | EVSEL__PRINT_SYM | EVSEL__PRINT_ONELINE | | |
692 | EVSEL__PRINT_CALLCHAIN_ARROW | | |
693 | EVSEL__PRINT_SKIP_IGNORED, | |
694 | &callchain_cursor, symbol_conf.bt_stop_list, | |
695 | stdout); | |
696 | } | |
697 | ||
698 | printf("\n"); | |
699 | } | |
700 | ||
701 | static int timehist_raise_event(struct perf_kwork *kwork, | |
702 | struct kwork_class *class, | |
703 | struct evsel *evsel, | |
704 | struct perf_sample *sample, | |
705 | struct machine *machine) | |
706 | { | |
707 | return work_push_atom(kwork, class, KWORK_TRACE_RAISE, | |
708 | KWORK_TRACE_MAX, evsel, sample, | |
709 | machine, NULL); | |
710 | } | |
711 | ||
712 | static int timehist_entry_event(struct perf_kwork *kwork, | |
713 | struct kwork_class *class, | |
714 | struct evsel *evsel, | |
715 | struct perf_sample *sample, | |
716 | struct machine *machine) | |
717 | { | |
718 | int ret; | |
719 | struct kwork_work *work = NULL; | |
720 | ||
721 | ret = work_push_atom(kwork, class, KWORK_TRACE_ENTRY, | |
722 | KWORK_TRACE_RAISE, evsel, sample, | |
723 | machine, &work); | |
724 | if (ret) | |
725 | return ret; | |
726 | ||
727 | if (work != NULL) | |
728 | timehist_save_callchain(kwork, sample, evsel, machine); | |
729 | ||
730 | return 0; | |
731 | } | |
732 | ||
733 | static int timehist_exit_event(struct perf_kwork *kwork, | |
734 | struct kwork_class *class, | |
735 | struct evsel *evsel, | |
736 | struct perf_sample *sample, | |
737 | struct machine *machine) | |
738 | { | |
739 | struct kwork_atom *atom = NULL; | |
740 | struct kwork_work *work = NULL; | |
741 | struct addr_location al; | |
742 | ||
743 | if (machine__resolve(machine, &al, sample) < 0) { | |
744 | pr_debug("Problem processing event, skipping it\n"); | |
745 | return -1; | |
746 | } | |
747 | ||
748 | atom = work_pop_atom(kwork, class, KWORK_TRACE_EXIT, | |
749 | KWORK_TRACE_ENTRY, evsel, sample, | |
750 | machine, &work); | |
751 | if (work == NULL) | |
752 | return -1; | |
753 | ||
754 | if (atom != NULL) { | |
755 | work->nr_atoms++; | |
756 | timehist_print_event(kwork, work, atom, sample, &al); | |
757 | atom_del(atom); | |
758 | } | |
759 | ||
760 | return 0; | |
761 | } | |
762 | ||
94348520 YJ |
763 | static struct kwork_class kwork_irq; |
764 | static int process_irq_handler_entry_event(struct perf_tool *tool, | |
765 | struct evsel *evsel, | |
766 | struct perf_sample *sample, | |
767 | struct machine *machine) | |
768 | { | |
769 | struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); | |
770 | ||
771 | if (kwork->tp_handler->entry_event) | |
772 | return kwork->tp_handler->entry_event(kwork, &kwork_irq, | |
773 | evsel, sample, machine); | |
774 | return 0; | |
775 | } | |
776 | ||
777 | static int process_irq_handler_exit_event(struct perf_tool *tool, | |
778 | struct evsel *evsel, | |
779 | struct perf_sample *sample, | |
780 | struct machine *machine) | |
781 | { | |
782 | struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); | |
783 | ||
784 | if (kwork->tp_handler->exit_event) | |
785 | return kwork->tp_handler->exit_event(kwork, &kwork_irq, | |
786 | evsel, sample, machine); | |
787 | return 0; | |
788 | } | |
789 | ||
4f8ae962 | 790 | const struct evsel_str_handler irq_tp_handlers[] = { |
94348520 YJ |
791 | { "irq:irq_handler_entry", process_irq_handler_entry_event, }, |
792 | { "irq:irq_handler_exit", process_irq_handler_exit_event, }, | |
4f8ae962 YJ |
793 | }; |
794 | ||
94348520 YJ |
795 | static int irq_class_init(struct kwork_class *class, |
796 | struct perf_session *session) | |
797 | { | |
798 | if (perf_session__set_tracepoints_handlers(session, irq_tp_handlers)) { | |
799 | pr_err("Failed to set irq tracepoints handlers\n"); | |
800 | return -1; | |
801 | } | |
802 | ||
803 | class->work_root = RB_ROOT_CACHED; | |
804 | return 0; | |
805 | } | |
806 | ||
807 | static void irq_work_init(struct kwork_class *class, | |
808 | struct kwork_work *work, | |
809 | struct evsel *evsel, | |
810 | struct perf_sample *sample, | |
811 | struct machine *machine __maybe_unused) | |
812 | { | |
813 | work->class = class; | |
814 | work->cpu = sample->cpu; | |
815 | work->id = evsel__intval(evsel, sample, "irq"); | |
816 | work->name = evsel__strval(evsel, sample, "name"); | |
817 | } | |
818 | ||
819 | static void irq_work_name(struct kwork_work *work, char *buf, int len) | |
820 | { | |
821 | snprintf(buf, len, "%s:%" PRIu64 "", work->name, work->id); | |
822 | } | |
823 | ||
4f8ae962 YJ |
824 | static struct kwork_class kwork_irq = { |
825 | .name = "irq", | |
826 | .type = KWORK_CLASS_IRQ, | |
827 | .nr_tracepoints = 2, | |
828 | .tp_handlers = irq_tp_handlers, | |
94348520 YJ |
829 | .class_init = irq_class_init, |
830 | .work_init = irq_work_init, | |
831 | .work_name = irq_work_name, | |
4f8ae962 YJ |
832 | }; |
833 | ||
4c148191 | 834 | static struct kwork_class kwork_softirq; |
19807bba YJ |
835 | static int process_softirq_raise_event(struct perf_tool *tool, |
836 | struct evsel *evsel, | |
837 | struct perf_sample *sample, | |
838 | struct machine *machine) | |
839 | { | |
840 | struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); | |
841 | ||
842 | if (kwork->tp_handler->raise_event) | |
843 | return kwork->tp_handler->raise_event(kwork, &kwork_softirq, | |
844 | evsel, sample, machine); | |
845 | ||
846 | return 0; | |
847 | } | |
848 | ||
4c148191 YJ |
849 | static int process_softirq_entry_event(struct perf_tool *tool, |
850 | struct evsel *evsel, | |
851 | struct perf_sample *sample, | |
852 | struct machine *machine) | |
853 | { | |
854 | struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); | |
855 | ||
856 | if (kwork->tp_handler->entry_event) | |
857 | return kwork->tp_handler->entry_event(kwork, &kwork_softirq, | |
858 | evsel, sample, machine); | |
859 | ||
860 | return 0; | |
861 | } | |
862 | ||
863 | static int process_softirq_exit_event(struct perf_tool *tool, | |
864 | struct evsel *evsel, | |
865 | struct perf_sample *sample, | |
866 | struct machine *machine) | |
867 | { | |
868 | struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); | |
869 | ||
870 | if (kwork->tp_handler->exit_event) | |
871 | return kwork->tp_handler->exit_event(kwork, &kwork_softirq, | |
872 | evsel, sample, machine); | |
873 | ||
874 | return 0; | |
875 | } | |
876 | ||
e6439321 | 877 | const struct evsel_str_handler softirq_tp_handlers[] = { |
19807bba | 878 | { "irq:softirq_raise", process_softirq_raise_event, }, |
4c148191 YJ |
879 | { "irq:softirq_entry", process_softirq_entry_event, }, |
880 | { "irq:softirq_exit", process_softirq_exit_event, }, | |
e6439321 YJ |
881 | }; |
882 | ||
4c148191 YJ |
883 | static int softirq_class_init(struct kwork_class *class, |
884 | struct perf_session *session) | |
885 | { | |
886 | if (perf_session__set_tracepoints_handlers(session, | |
887 | softirq_tp_handlers)) { | |
888 | pr_err("Failed to set softirq tracepoints handlers\n"); | |
889 | return -1; | |
890 | } | |
891 | ||
892 | class->work_root = RB_ROOT_CACHED; | |
893 | return 0; | |
894 | } | |
895 | ||
896 | static char *evsel__softirq_name(struct evsel *evsel, u64 num) | |
897 | { | |
898 | char *name = NULL; | |
899 | bool found = false; | |
900 | struct tep_print_flag_sym *sym = NULL; | |
901 | struct tep_print_arg *args = evsel->tp_format->print_fmt.args; | |
902 | ||
903 | if ((args == NULL) || (args->next == NULL)) | |
904 | return NULL; | |
905 | ||
906 | /* skip softirq field: "REC->vec" */ | |
907 | for (sym = args->next->symbol.symbols; sym != NULL; sym = sym->next) { | |
908 | if ((eval_flag(sym->value) == (unsigned long long)num) && | |
909 | (strlen(sym->str) != 0)) { | |
910 | found = true; | |
911 | break; | |
912 | } | |
913 | } | |
914 | ||
915 | if (!found) | |
916 | return NULL; | |
917 | ||
918 | name = strdup(sym->str); | |
919 | if (name == NULL) { | |
920 | pr_err("Failed to copy symbol name\n"); | |
921 | return NULL; | |
922 | } | |
923 | return name; | |
924 | } | |
925 | ||
926 | static void softirq_work_init(struct kwork_class *class, | |
927 | struct kwork_work *work, | |
928 | struct evsel *evsel, | |
929 | struct perf_sample *sample, | |
930 | struct machine *machine __maybe_unused) | |
931 | { | |
932 | u64 num = evsel__intval(evsel, sample, "vec"); | |
933 | ||
934 | work->id = num; | |
935 | work->class = class; | |
936 | work->cpu = sample->cpu; | |
937 | work->name = evsel__softirq_name(evsel, num); | |
938 | } | |
939 | ||
940 | static void softirq_work_name(struct kwork_work *work, char *buf, int len) | |
941 | { | |
942 | snprintf(buf, len, "(s)%s:%" PRIu64 "", work->name, work->id); | |
943 | } | |
944 | ||
e6439321 YJ |
945 | static struct kwork_class kwork_softirq = { |
946 | .name = "softirq", | |
947 | .type = KWORK_CLASS_SOFTIRQ, | |
948 | .nr_tracepoints = 3, | |
949 | .tp_handlers = softirq_tp_handlers, | |
4c148191 YJ |
950 | .class_init = softirq_class_init, |
951 | .work_init = softirq_work_init, | |
952 | .work_name = softirq_work_name, | |
e6439321 YJ |
953 | }; |
954 | ||
8dbc3c86 | 955 | static struct kwork_class kwork_workqueue; |
53e49e32 YJ |
956 | static int process_workqueue_activate_work_event(struct perf_tool *tool, |
957 | struct evsel *evsel, | |
958 | struct perf_sample *sample, | |
959 | struct machine *machine) | |
960 | { | |
961 | struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); | |
962 | ||
963 | if (kwork->tp_handler->raise_event) | |
964 | return kwork->tp_handler->raise_event(kwork, &kwork_workqueue, | |
965 | evsel, sample, machine); | |
966 | ||
967 | return 0; | |
968 | } | |
969 | ||
8dbc3c86 YJ |
970 | static int process_workqueue_execute_start_event(struct perf_tool *tool, |
971 | struct evsel *evsel, | |
972 | struct perf_sample *sample, | |
973 | struct machine *machine) | |
974 | { | |
975 | struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); | |
976 | ||
977 | if (kwork->tp_handler->entry_event) | |
978 | return kwork->tp_handler->entry_event(kwork, &kwork_workqueue, | |
979 | evsel, sample, machine); | |
980 | ||
981 | return 0; | |
982 | } | |
983 | ||
984 | static int process_workqueue_execute_end_event(struct perf_tool *tool, | |
985 | struct evsel *evsel, | |
986 | struct perf_sample *sample, | |
987 | struct machine *machine) | |
988 | { | |
989 | struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); | |
990 | ||
991 | if (kwork->tp_handler->exit_event) | |
992 | return kwork->tp_handler->exit_event(kwork, &kwork_workqueue, | |
993 | evsel, sample, machine); | |
994 | ||
995 | return 0; | |
996 | } | |
997 | ||
97179d9d | 998 | const struct evsel_str_handler workqueue_tp_handlers[] = { |
53e49e32 | 999 | { "workqueue:workqueue_activate_work", process_workqueue_activate_work_event, }, |
8dbc3c86 YJ |
1000 | { "workqueue:workqueue_execute_start", process_workqueue_execute_start_event, }, |
1001 | { "workqueue:workqueue_execute_end", process_workqueue_execute_end_event, }, | |
97179d9d YJ |
1002 | }; |
1003 | ||
8dbc3c86 YJ |
1004 | static int workqueue_class_init(struct kwork_class *class, |
1005 | struct perf_session *session) | |
1006 | { | |
1007 | if (perf_session__set_tracepoints_handlers(session, | |
1008 | workqueue_tp_handlers)) { | |
1009 | pr_err("Failed to set workqueue tracepoints handlers\n"); | |
1010 | return -1; | |
1011 | } | |
1012 | ||
1013 | class->work_root = RB_ROOT_CACHED; | |
1014 | return 0; | |
1015 | } | |
1016 | ||
1017 | static void workqueue_work_init(struct kwork_class *class, | |
1018 | struct kwork_work *work, | |
1019 | struct evsel *evsel, | |
1020 | struct perf_sample *sample, | |
1021 | struct machine *machine) | |
1022 | { | |
1023 | char *modp = NULL; | |
1024 | unsigned long long function_addr = evsel__intval(evsel, | |
1025 | sample, "function"); | |
1026 | ||
1027 | work->class = class; | |
1028 | work->cpu = sample->cpu; | |
1029 | work->id = evsel__intval(evsel, sample, "work"); | |
1030 | work->name = function_addr == 0 ? NULL : | |
1031 | machine__resolve_kernel_addr(machine, &function_addr, &modp); | |
1032 | } | |
1033 | ||
1034 | static void workqueue_work_name(struct kwork_work *work, char *buf, int len) | |
1035 | { | |
1036 | if (work->name != NULL) | |
1037 | snprintf(buf, len, "(w)%s", work->name); | |
1038 | else | |
1039 | snprintf(buf, len, "(w)0x%" PRIx64, work->id); | |
1040 | } | |
1041 | ||
97179d9d YJ |
1042 | static struct kwork_class kwork_workqueue = { |
1043 | .name = "workqueue", | |
1044 | .type = KWORK_CLASS_WORKQUEUE, | |
1045 | .nr_tracepoints = 3, | |
1046 | .tp_handlers = workqueue_tp_handlers, | |
8dbc3c86 YJ |
1047 | .class_init = workqueue_class_init, |
1048 | .work_init = workqueue_work_init, | |
1049 | .work_name = workqueue_work_name, | |
97179d9d YJ |
1050 | }; |
1051 | ||
0f70d8e9 | 1052 | static struct kwork_class *kwork_class_supported_list[KWORK_CLASS_MAX] = { |
4f8ae962 | 1053 | [KWORK_CLASS_IRQ] = &kwork_irq, |
e6439321 | 1054 | [KWORK_CLASS_SOFTIRQ] = &kwork_softirq, |
97179d9d | 1055 | [KWORK_CLASS_WORKQUEUE] = &kwork_workqueue, |
0f70d8e9 YJ |
1056 | }; |
1057 | ||
f98919ec YJ |
1058 | static void print_separator(int len) |
1059 | { | |
1060 | printf(" %.*s\n", len, graph_dotted_line); | |
1061 | } | |
1062 | ||
1063 | static int report_print_work(struct perf_kwork *kwork, struct kwork_work *work) | |
1064 | { | |
1065 | int ret = 0; | |
1066 | char kwork_name[PRINT_KWORK_NAME_WIDTH]; | |
1067 | char max_runtime_start[32], max_runtime_end[32]; | |
ad3d9f7a | 1068 | char max_latency_start[32], max_latency_end[32]; |
f98919ec YJ |
1069 | |
1070 | printf(" "); | |
1071 | ||
1072 | /* | |
1073 | * kwork name | |
1074 | */ | |
1075 | if (work->class && work->class->work_name) { | |
1076 | work->class->work_name(work, kwork_name, | |
1077 | PRINT_KWORK_NAME_WIDTH); | |
1078 | ret += printf(" %-*s |", PRINT_KWORK_NAME_WIDTH, kwork_name); | |
1079 | } else { | |
1080 | ret += printf(" %-*s |", PRINT_KWORK_NAME_WIDTH, ""); | |
1081 | } | |
1082 | ||
1083 | /* | |
1084 | * cpu | |
1085 | */ | |
1086 | ret += printf(" %0*d |", PRINT_CPU_WIDTH, work->cpu); | |
1087 | ||
1088 | /* | |
1089 | * total runtime | |
1090 | */ | |
1091 | if (kwork->report == KWORK_REPORT_RUNTIME) { | |
1092 | ret += printf(" %*.*f ms |", | |
1093 | PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH, | |
1094 | (double)work->total_runtime / NSEC_PER_MSEC); | |
ad3d9f7a YJ |
1095 | } else if (kwork->report == KWORK_REPORT_LATENCY) { // avg delay |
1096 | ret += printf(" %*.*f ms |", | |
1097 | PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH, | |
1098 | (double)work->total_latency / | |
1099 | work->nr_atoms / NSEC_PER_MSEC); | |
f98919ec YJ |
1100 | } |
1101 | ||
1102 | /* | |
1103 | * count | |
1104 | */ | |
1105 | ret += printf(" %*" PRIu64 " |", PRINT_COUNT_WIDTH, work->nr_atoms); | |
1106 | ||
1107 | /* | |
1108 | * max runtime, max runtime start, max runtime end | |
1109 | */ | |
1110 | if (kwork->report == KWORK_REPORT_RUNTIME) { | |
1111 | timestamp__scnprintf_usec(work->max_runtime_start, | |
1112 | max_runtime_start, | |
1113 | sizeof(max_runtime_start)); | |
1114 | timestamp__scnprintf_usec(work->max_runtime_end, | |
1115 | max_runtime_end, | |
1116 | sizeof(max_runtime_end)); | |
1117 | ret += printf(" %*.*f ms | %*s s | %*s s |", | |
1118 | PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH, | |
1119 | (double)work->max_runtime / NSEC_PER_MSEC, | |
1120 | PRINT_TIMESTAMP_WIDTH, max_runtime_start, | |
1121 | PRINT_TIMESTAMP_WIDTH, max_runtime_end); | |
1122 | } | |
ad3d9f7a YJ |
1123 | /* |
1124 | * max delay, max delay start, max delay end | |
1125 | */ | |
1126 | else if (kwork->report == KWORK_REPORT_LATENCY) { | |
1127 | timestamp__scnprintf_usec(work->max_latency_start, | |
1128 | max_latency_start, | |
1129 | sizeof(max_latency_start)); | |
1130 | timestamp__scnprintf_usec(work->max_latency_end, | |
1131 | max_latency_end, | |
1132 | sizeof(max_latency_end)); | |
1133 | ret += printf(" %*.*f ms | %*s s | %*s s |", | |
1134 | PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH, | |
1135 | (double)work->max_latency / NSEC_PER_MSEC, | |
1136 | PRINT_TIMESTAMP_WIDTH, max_latency_start, | |
1137 | PRINT_TIMESTAMP_WIDTH, max_latency_end); | |
1138 | } | |
f98919ec YJ |
1139 | |
1140 | printf("\n"); | |
1141 | return ret; | |
1142 | } | |
1143 | ||
1144 | static int report_print_header(struct perf_kwork *kwork) | |
1145 | { | |
1146 | int ret; | |
1147 | ||
1148 | printf("\n "); | |
1149 | ret = printf(" %-*s | %-*s |", | |
1150 | PRINT_KWORK_NAME_WIDTH, "Kwork Name", | |
1151 | PRINT_CPU_WIDTH, "Cpu"); | |
1152 | ||
1153 | if (kwork->report == KWORK_REPORT_RUNTIME) { | |
1154 | ret += printf(" %-*s |", | |
1155 | PRINT_RUNTIME_HEADER_WIDTH, "Total Runtime"); | |
ad3d9f7a YJ |
1156 | } else if (kwork->report == KWORK_REPORT_LATENCY) { |
1157 | ret += printf(" %-*s |", | |
1158 | PRINT_LATENCY_HEADER_WIDTH, "Avg delay"); | |
f98919ec YJ |
1159 | } |
1160 | ||
1161 | ret += printf(" %-*s |", PRINT_COUNT_WIDTH, "Count"); | |
1162 | ||
1163 | if (kwork->report == KWORK_REPORT_RUNTIME) { | |
1164 | ret += printf(" %-*s | %-*s | %-*s |", | |
1165 | PRINT_RUNTIME_HEADER_WIDTH, "Max runtime", | |
1166 | PRINT_TIMESTAMP_HEADER_WIDTH, "Max runtime start", | |
1167 | PRINT_TIMESTAMP_HEADER_WIDTH, "Max runtime end"); | |
ad3d9f7a YJ |
1168 | } else if (kwork->report == KWORK_REPORT_LATENCY) { |
1169 | ret += printf(" %-*s | %-*s | %-*s |", | |
1170 | PRINT_LATENCY_HEADER_WIDTH, "Max delay", | |
1171 | PRINT_TIMESTAMP_HEADER_WIDTH, "Max delay start", | |
1172 | PRINT_TIMESTAMP_HEADER_WIDTH, "Max delay end"); | |
f98919ec YJ |
1173 | } |
1174 | ||
1175 | printf("\n"); | |
1176 | print_separator(ret); | |
1177 | return ret; | |
1178 | } | |
1179 | ||
bcc8b3e8 YJ |
1180 | static void timehist_print_header(void) |
1181 | { | |
1182 | /* | |
1183 | * header row | |
1184 | */ | |
1185 | printf(" %-*s %-*s %-*s %-*s %-*s %-*s\n", | |
1186 | PRINT_TIMESTAMP_WIDTH, "Runtime start", | |
1187 | PRINT_TIMESTAMP_WIDTH, "Runtime end", | |
1188 | PRINT_TIMEHIST_CPU_WIDTH, "Cpu", | |
1189 | PRINT_KWORK_NAME_WIDTH, "Kwork name", | |
1190 | PRINT_RUNTIME_WIDTH, "Runtime", | |
1191 | PRINT_RUNTIME_WIDTH, "Delaytime"); | |
1192 | ||
1193 | /* | |
1194 | * units row | |
1195 | */ | |
1196 | printf(" %-*s %-*s %-*s %-*s %-*s %-*s\n", | |
1197 | PRINT_TIMESTAMP_WIDTH, "", | |
1198 | PRINT_TIMESTAMP_WIDTH, "", | |
1199 | PRINT_TIMEHIST_CPU_WIDTH, "", | |
1200 | PRINT_KWORK_NAME_WIDTH, "(TYPE)NAME:NUM", | |
1201 | PRINT_RUNTIME_WIDTH, "(msec)", | |
1202 | PRINT_RUNTIME_WIDTH, "(msec)"); | |
1203 | ||
1204 | /* | |
1205 | * separator | |
1206 | */ | |
1207 | printf(" %.*s %.*s %.*s %.*s %.*s %.*s\n", | |
1208 | PRINT_TIMESTAMP_WIDTH, graph_dotted_line, | |
1209 | PRINT_TIMESTAMP_WIDTH, graph_dotted_line, | |
1210 | PRINT_TIMEHIST_CPU_WIDTH, graph_dotted_line, | |
1211 | PRINT_KWORK_NAME_WIDTH, graph_dotted_line, | |
1212 | PRINT_RUNTIME_WIDTH, graph_dotted_line, | |
1213 | PRINT_RUNTIME_WIDTH, graph_dotted_line); | |
1214 | } | |
1215 | ||
f98919ec YJ |
1216 | static void print_summary(struct perf_kwork *kwork) |
1217 | { | |
1218 | u64 time = kwork->timeend - kwork->timestart; | |
1219 | ||
1220 | printf(" Total count : %9" PRIu64 "\n", kwork->all_count); | |
1221 | printf(" Total runtime (msec) : %9.3f (%.3f%% load average)\n", | |
1222 | (double)kwork->all_runtime / NSEC_PER_MSEC, | |
1223 | time == 0 ? 0 : (double)kwork->all_runtime / time); | |
1224 | printf(" Total time span (msec) : %9.3f\n", | |
1225 | (double)time / NSEC_PER_MSEC); | |
1226 | } | |
1227 | ||
1228 | static unsigned long long nr_list_entry(struct list_head *head) | |
1229 | { | |
1230 | struct list_head *pos; | |
1231 | unsigned long long n = 0; | |
1232 | ||
1233 | list_for_each(pos, head) | |
1234 | n++; | |
1235 | ||
1236 | return n; | |
1237 | } | |
1238 | ||
1239 | static void print_skipped_events(struct perf_kwork *kwork) | |
1240 | { | |
1241 | int i; | |
1242 | const char *const kwork_event_str[] = { | |
ad3d9f7a | 1243 | [KWORK_TRACE_RAISE] = "raise", |
f98919ec YJ |
1244 | [KWORK_TRACE_ENTRY] = "entry", |
1245 | [KWORK_TRACE_EXIT] = "exit", | |
1246 | }; | |
1247 | ||
1248 | if ((kwork->nr_skipped_events[KWORK_TRACE_MAX] != 0) && | |
1249 | (kwork->nr_events != 0)) { | |
1250 | printf(" INFO: %.3f%% skipped events (%" PRIu64 " including ", | |
1251 | (double)kwork->nr_skipped_events[KWORK_TRACE_MAX] / | |
1252 | (double)kwork->nr_events * 100.0, | |
1253 | kwork->nr_skipped_events[KWORK_TRACE_MAX]); | |
1254 | ||
1255 | for (i = 0; i < KWORK_TRACE_MAX; i++) { | |
1256 | printf("%" PRIu64 " %s%s", | |
1257 | kwork->nr_skipped_events[i], | |
1258 | kwork_event_str[i], | |
1259 | (i == KWORK_TRACE_MAX - 1) ? ")\n" : ", "); | |
1260 | } | |
1261 | } | |
1262 | ||
1263 | if (verbose > 0) | |
1264 | printf(" INFO: use %lld atom pages\n", | |
1265 | nr_list_entry(&kwork->atom_page_list)); | |
1266 | } | |
1267 | ||
1268 | static void print_bad_events(struct perf_kwork *kwork) | |
1269 | { | |
1270 | if ((kwork->nr_lost_events != 0) && (kwork->nr_events != 0)) { | |
1271 | printf(" INFO: %.3f%% lost events (%ld out of %ld, in %ld chunks)\n", | |
1272 | (double)kwork->nr_lost_events / | |
1273 | (double)kwork->nr_events * 100.0, | |
1274 | kwork->nr_lost_events, kwork->nr_events, | |
1275 | kwork->nr_lost_chunks); | |
1276 | } | |
1277 | } | |
1278 | ||
1279 | static void work_sort(struct perf_kwork *kwork, struct kwork_class *class) | |
1280 | { | |
1281 | struct rb_node *node; | |
1282 | struct kwork_work *data; | |
1283 | struct rb_root_cached *root = &class->work_root; | |
1284 | ||
1285 | pr_debug("Sorting %s ...\n", class->name); | |
1286 | for (;;) { | |
1287 | node = rb_first_cached(root); | |
1288 | if (!node) | |
1289 | break; | |
1290 | ||
1291 | rb_erase_cached(node, root); | |
1292 | data = rb_entry(node, struct kwork_work, node); | |
1293 | work_insert(&kwork->sorted_work_root, | |
1294 | data, &kwork->sort_list); | |
1295 | } | |
1296 | } | |
1297 | ||
1298 | static void perf_kwork__sort(struct perf_kwork *kwork) | |
1299 | { | |
1300 | struct kwork_class *class; | |
1301 | ||
1302 | list_for_each_entry(class, &kwork->class_list, list) | |
1303 | work_sort(kwork, class); | |
1304 | } | |
1305 | ||
1306 | static int perf_kwork__check_config(struct perf_kwork *kwork, | |
1307 | struct perf_session *session) | |
1308 | { | |
1309 | int ret; | |
bcc8b3e8 | 1310 | struct evsel *evsel; |
f98919ec YJ |
1311 | struct kwork_class *class; |
1312 | ||
1313 | static struct trace_kwork_handler report_ops = { | |
1314 | .entry_event = report_entry_event, | |
1315 | .exit_event = report_exit_event, | |
1316 | }; | |
ad3d9f7a YJ |
1317 | static struct trace_kwork_handler latency_ops = { |
1318 | .raise_event = latency_raise_event, | |
1319 | .entry_event = latency_entry_event, | |
1320 | }; | |
bcc8b3e8 YJ |
1321 | static struct trace_kwork_handler timehist_ops = { |
1322 | .raise_event = timehist_raise_event, | |
1323 | .entry_event = timehist_entry_event, | |
1324 | .exit_event = timehist_exit_event, | |
1325 | }; | |
f98919ec YJ |
1326 | |
1327 | switch (kwork->report) { | |
1328 | case KWORK_REPORT_RUNTIME: | |
1329 | kwork->tp_handler = &report_ops; | |
1330 | break; | |
ad3d9f7a YJ |
1331 | case KWORK_REPORT_LATENCY: |
1332 | kwork->tp_handler = &latency_ops; | |
1333 | break; | |
bcc8b3e8 YJ |
1334 | case KWORK_REPORT_TIMEHIST: |
1335 | kwork->tp_handler = &timehist_ops; | |
1336 | break; | |
f98919ec YJ |
1337 | default: |
1338 | pr_debug("Invalid report type %d\n", kwork->report); | |
1339 | return -1; | |
1340 | } | |
1341 | ||
1342 | list_for_each_entry(class, &kwork->class_list, list) | |
1343 | if ((class->class_init != NULL) && | |
1344 | (class->class_init(class, session) != 0)) | |
1345 | return -1; | |
1346 | ||
1347 | if (kwork->cpu_list != NULL) { | |
1348 | ret = perf_session__cpu_bitmap(session, | |
1349 | kwork->cpu_list, | |
1350 | kwork->cpu_bitmap); | |
1351 | if (ret < 0) { | |
1352 | pr_err("Invalid cpu bitmap\n"); | |
1353 | return -1; | |
1354 | } | |
1355 | } | |
1356 | ||
1357 | if (kwork->time_str != NULL) { | |
1358 | ret = perf_time__parse_str(&kwork->ptime, kwork->time_str); | |
1359 | if (ret != 0) { | |
1360 | pr_err("Invalid time span\n"); | |
1361 | return -1; | |
1362 | } | |
1363 | } | |
1364 | ||
bcc8b3e8 YJ |
1365 | list_for_each_entry(evsel, &session->evlist->core.entries, core.node) { |
1366 | if (kwork->show_callchain && !evsel__has_callchain(evsel)) { | |
1367 | pr_debug("Samples do not have callchains\n"); | |
1368 | kwork->show_callchain = 0; | |
1369 | symbol_conf.use_callchain = 0; | |
1370 | } | |
1371 | } | |
1372 | ||
f98919ec YJ |
1373 | return 0; |
1374 | } | |
1375 | ||
1376 | static int perf_kwork__read_events(struct perf_kwork *kwork) | |
1377 | { | |
1378 | int ret = -1; | |
1379 | struct perf_session *session = NULL; | |
1380 | ||
1381 | struct perf_data data = { | |
1382 | .path = input_name, | |
1383 | .mode = PERF_DATA_MODE_READ, | |
1384 | .force = kwork->force, | |
1385 | }; | |
1386 | ||
1387 | session = perf_session__new(&data, &kwork->tool); | |
1388 | if (IS_ERR(session)) { | |
1389 | pr_debug("Error creating perf session\n"); | |
1390 | return PTR_ERR(session); | |
1391 | } | |
1392 | ||
1393 | symbol__init(&session->header.env); | |
1394 | ||
1395 | if (perf_kwork__check_config(kwork, session) != 0) | |
1396 | goto out_delete; | |
1397 | ||
1398 | if (session->tevent.pevent && | |
1399 | tep_set_function_resolver(session->tevent.pevent, | |
1400 | machine__resolve_kernel_addr, | |
1401 | &session->machines.host) < 0) { | |
1402 | pr_err("Failed to set libtraceevent function resolver\n"); | |
1403 | goto out_delete; | |
1404 | } | |
1405 | ||
bcc8b3e8 YJ |
1406 | if (kwork->report == KWORK_REPORT_TIMEHIST) |
1407 | timehist_print_header(); | |
1408 | ||
f98919ec YJ |
1409 | ret = perf_session__process_events(session); |
1410 | if (ret) { | |
1411 | pr_debug("Failed to process events, error %d\n", ret); | |
1412 | goto out_delete; | |
1413 | } | |
1414 | ||
1415 | kwork->nr_events = session->evlist->stats.nr_events[0]; | |
1416 | kwork->nr_lost_events = session->evlist->stats.total_lost; | |
1417 | kwork->nr_lost_chunks = session->evlist->stats.nr_events[PERF_RECORD_LOST]; | |
1418 | ||
1419 | out_delete: | |
1420 | perf_session__delete(session); | |
1421 | return ret; | |
1422 | } | |
1423 | ||
1424 | static void process_skipped_events(struct perf_kwork *kwork, | |
1425 | struct kwork_work *work) | |
1426 | { | |
1427 | int i; | |
1428 | unsigned long long count; | |
1429 | ||
1430 | for (i = 0; i < KWORK_TRACE_MAX; i++) { | |
1431 | count = nr_list_entry(&work->atom_list[i]); | |
1432 | kwork->nr_skipped_events[i] += count; | |
1433 | kwork->nr_skipped_events[KWORK_TRACE_MAX] += count; | |
1434 | } | |
1435 | } | |
1436 | ||
daf07d22 YJ |
1437 | struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork, |
1438 | struct kwork_class *class, | |
1439 | struct kwork_work *key) | |
1440 | { | |
1441 | struct kwork_work *work = NULL; | |
1442 | ||
1443 | work = work_new(key); | |
1444 | if (work == NULL) | |
1445 | return NULL; | |
1446 | ||
1447 | work_insert(&class->work_root, work, &kwork->cmp_id); | |
1448 | return work; | |
1449 | } | |
1450 | ||
1451 | static void sig_handler(int sig) | |
1452 | { | |
1453 | /* | |
1454 | * Simply capture termination signal so that | |
1455 | * the program can continue after pause returns | |
1456 | */ | |
1457 | pr_debug("Captuer signal %d\n", sig); | |
1458 | } | |
1459 | ||
1460 | static int perf_kwork__report_bpf(struct perf_kwork *kwork) | |
1461 | { | |
1462 | int ret; | |
1463 | ||
1464 | signal(SIGINT, sig_handler); | |
1465 | signal(SIGTERM, sig_handler); | |
1466 | ||
1467 | ret = perf_kwork__trace_prepare_bpf(kwork); | |
1468 | if (ret) | |
1469 | return -1; | |
1470 | ||
1471 | printf("Starting trace, Hit <Ctrl+C> to stop and report\n"); | |
1472 | ||
1473 | perf_kwork__trace_start(); | |
1474 | ||
1475 | /* | |
1476 | * a simple pause, wait here for stop signal | |
1477 | */ | |
1478 | pause(); | |
1479 | ||
1480 | perf_kwork__trace_finish(); | |
1481 | ||
1482 | perf_kwork__report_read_bpf(kwork); | |
1483 | ||
1484 | perf_kwork__report_cleanup_bpf(); | |
1485 | ||
1486 | return 0; | |
1487 | } | |
1488 | ||
f98919ec YJ |
1489 | static int perf_kwork__report(struct perf_kwork *kwork) |
1490 | { | |
1491 | int ret; | |
1492 | struct rb_node *next; | |
1493 | struct kwork_work *work; | |
1494 | ||
daf07d22 YJ |
1495 | if (kwork->use_bpf) |
1496 | ret = perf_kwork__report_bpf(kwork); | |
1497 | else | |
1498 | ret = perf_kwork__read_events(kwork); | |
1499 | ||
f98919ec YJ |
1500 | if (ret != 0) |
1501 | return -1; | |
1502 | ||
1503 | perf_kwork__sort(kwork); | |
1504 | ||
1505 | setup_pager(); | |
1506 | ||
1507 | ret = report_print_header(kwork); | |
1508 | next = rb_first_cached(&kwork->sorted_work_root); | |
1509 | while (next) { | |
1510 | work = rb_entry(next, struct kwork_work, node); | |
1511 | process_skipped_events(kwork, work); | |
1512 | ||
1513 | if (work->nr_atoms != 0) { | |
1514 | report_print_work(kwork, work); | |
1515 | if (kwork->summary) { | |
1516 | kwork->all_runtime += work->total_runtime; | |
1517 | kwork->all_count += work->nr_atoms; | |
1518 | } | |
1519 | } | |
1520 | next = rb_next(next); | |
1521 | } | |
1522 | print_separator(ret); | |
1523 | ||
1524 | if (kwork->summary) { | |
1525 | print_summary(kwork); | |
1526 | print_separator(ret); | |
1527 | } | |
1528 | ||
1529 | print_bad_events(kwork); | |
1530 | print_skipped_events(kwork); | |
1531 | printf("\n"); | |
1532 | ||
1533 | return 0; | |
1534 | } | |
1535 | ||
1536 | typedef int (*tracepoint_handler)(struct perf_tool *tool, | |
1537 | struct evsel *evsel, | |
1538 | struct perf_sample *sample, | |
1539 | struct machine *machine); | |
1540 | ||
1541 | static int perf_kwork__process_tracepoint_sample(struct perf_tool *tool, | |
1542 | union perf_event *event __maybe_unused, | |
1543 | struct perf_sample *sample, | |
1544 | struct evsel *evsel, | |
1545 | struct machine *machine) | |
1546 | { | |
1547 | int err = 0; | |
1548 | ||
1549 | if (evsel->handler != NULL) { | |
1550 | tracepoint_handler f = evsel->handler; | |
1551 | ||
1552 | err = f(tool, evsel, sample, machine); | |
1553 | } | |
1554 | ||
1555 | return err; | |
1556 | } | |
1557 | ||
bcc8b3e8 YJ |
1558 | static int perf_kwork__timehist(struct perf_kwork *kwork) |
1559 | { | |
1560 | /* | |
1561 | * event handlers for timehist option | |
1562 | */ | |
1563 | kwork->tool.comm = perf_event__process_comm; | |
1564 | kwork->tool.exit = perf_event__process_exit; | |
1565 | kwork->tool.fork = perf_event__process_fork; | |
1566 | kwork->tool.attr = perf_event__process_attr; | |
1567 | kwork->tool.tracing_data = perf_event__process_tracing_data; | |
1568 | kwork->tool.build_id = perf_event__process_build_id; | |
1569 | kwork->tool.ordered_events = true; | |
1570 | kwork->tool.ordering_requires_timestamps = true; | |
1571 | symbol_conf.use_callchain = kwork->show_callchain; | |
1572 | ||
1573 | if (symbol__validate_sym_arguments()) { | |
1574 | pr_err("Failed to validate sym arguments\n"); | |
1575 | return -1; | |
1576 | } | |
1577 | ||
1578 | setup_pager(); | |
1579 | ||
1580 | return perf_kwork__read_events(kwork); | |
1581 | } | |
1582 | ||
0f70d8e9 YJ |
1583 | static void setup_event_list(struct perf_kwork *kwork, |
1584 | const struct option *options, | |
1585 | const char * const usage_msg[]) | |
1586 | { | |
1587 | int i; | |
1588 | struct kwork_class *class; | |
1589 | char *tmp, *tok, *str; | |
1590 | ||
1591 | if (kwork->event_list_str == NULL) | |
1592 | goto null_event_list_str; | |
1593 | ||
1594 | str = strdup(kwork->event_list_str); | |
1595 | for (tok = strtok_r(str, ", ", &tmp); | |
1596 | tok; tok = strtok_r(NULL, ", ", &tmp)) { | |
1597 | for (i = 0; i < KWORK_CLASS_MAX; i++) { | |
1598 | class = kwork_class_supported_list[i]; | |
1599 | if (strcmp(tok, class->name) == 0) { | |
1600 | list_add_tail(&class->list, &kwork->class_list); | |
1601 | break; | |
1602 | } | |
1603 | } | |
1604 | if (i == KWORK_CLASS_MAX) { | |
1605 | usage_with_options_msg(usage_msg, options, | |
1606 | "Unknown --event key: `%s'", tok); | |
1607 | } | |
1608 | } | |
1609 | free(str); | |
1610 | ||
1611 | null_event_list_str: | |
1612 | /* | |
1613 | * config all kwork events if not specified | |
1614 | */ | |
1615 | if (list_empty(&kwork->class_list)) { | |
1616 | for (i = 0; i < KWORK_CLASS_MAX; i++) { | |
1617 | list_add_tail(&kwork_class_supported_list[i]->list, | |
1618 | &kwork->class_list); | |
1619 | } | |
1620 | } | |
1621 | ||
1622 | pr_debug("Config event list:"); | |
1623 | list_for_each_entry(class, &kwork->class_list, list) | |
1624 | pr_debug(" %s", class->name); | |
1625 | pr_debug("\n"); | |
1626 | } | |
1627 | ||
1628 | static int perf_kwork__record(struct perf_kwork *kwork, | |
1629 | int argc, const char **argv) | |
1630 | { | |
1631 | const char **rec_argv; | |
1632 | unsigned int rec_argc, i, j; | |
1633 | struct kwork_class *class; | |
1634 | ||
1635 | const char *const record_args[] = { | |
1636 | "record", | |
1637 | "-a", | |
1638 | "-R", | |
1639 | "-m", "1024", | |
1640 | "-c", "1", | |
1641 | }; | |
1642 | ||
1643 | rec_argc = ARRAY_SIZE(record_args) + argc - 1; | |
1644 | ||
1645 | list_for_each_entry(class, &kwork->class_list, list) | |
1646 | rec_argc += 2 * class->nr_tracepoints; | |
1647 | ||
1648 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); | |
1649 | if (rec_argv == NULL) | |
1650 | return -ENOMEM; | |
1651 | ||
1652 | for (i = 0; i < ARRAY_SIZE(record_args); i++) | |
1653 | rec_argv[i] = strdup(record_args[i]); | |
1654 | ||
1655 | list_for_each_entry(class, &kwork->class_list, list) { | |
1656 | for (j = 0; j < class->nr_tracepoints; j++) { | |
1657 | rec_argv[i++] = strdup("-e"); | |
1658 | rec_argv[i++] = strdup(class->tp_handlers[j].name); | |
1659 | } | |
1660 | } | |
1661 | ||
1662 | for (j = 1; j < (unsigned int)argc; j++, i++) | |
1663 | rec_argv[i] = argv[j]; | |
1664 | ||
1665 | BUG_ON(i != rec_argc); | |
1666 | ||
1667 | pr_debug("record comm: "); | |
1668 | for (j = 0; j < rec_argc; j++) | |
1669 | pr_debug("%s ", rec_argv[j]); | |
1670 | pr_debug("\n"); | |
1671 | ||
1672 | return cmd_record(i, rec_argv); | |
1673 | } | |
1674 | ||
1675 | int cmd_kwork(int argc, const char **argv) | |
1676 | { | |
1677 | static struct perf_kwork kwork = { | |
1678 | .class_list = LIST_HEAD_INIT(kwork.class_list), | |
f98919ec YJ |
1679 | .tool = { |
1680 | .mmap = perf_event__process_mmap, | |
1681 | .mmap2 = perf_event__process_mmap2, | |
1682 | .sample = perf_kwork__process_tracepoint_sample, | |
1683 | }, | |
1684 | .atom_page_list = LIST_HEAD_INIT(kwork.atom_page_list), | |
1685 | .sort_list = LIST_HEAD_INIT(kwork.sort_list), | |
1686 | .cmp_id = LIST_HEAD_INIT(kwork.cmp_id), | |
1687 | .sorted_work_root = RB_ROOT_CACHED, | |
1688 | .tp_handler = NULL, | |
1689 | .profile_name = NULL, | |
1690 | .cpu_list = NULL, | |
1691 | .time_str = NULL, | |
0f70d8e9 YJ |
1692 | .force = false, |
1693 | .event_list_str = NULL, | |
f98919ec YJ |
1694 | .summary = false, |
1695 | .sort_order = NULL, | |
bcc8b3e8 YJ |
1696 | .show_callchain = false, |
1697 | .max_stack = 5, | |
f98919ec YJ |
1698 | .timestart = 0, |
1699 | .timeend = 0, | |
1700 | .nr_events = 0, | |
1701 | .nr_lost_chunks = 0, | |
1702 | .nr_lost_events = 0, | |
1703 | .all_runtime = 0, | |
1704 | .all_count = 0, | |
1705 | .nr_skipped_events = { 0 }, | |
0f70d8e9 | 1706 | }; |
f98919ec | 1707 | static const char default_report_sort_order[] = "runtime, max, count"; |
ad3d9f7a | 1708 | static const char default_latency_sort_order[] = "avg, max, count"; |
0f70d8e9 YJ |
1709 | const struct option kwork_options[] = { |
1710 | OPT_INCR('v', "verbose", &verbose, | |
1711 | "be more verbose (show symbol address, etc)"), | |
1712 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | |
1713 | "dump raw trace in ASCII"), | |
1714 | OPT_STRING('k', "kwork", &kwork.event_list_str, "kwork", | |
97179d9d | 1715 | "list of kwork to profile (irq, softirq, workqueue, etc)"), |
0f70d8e9 YJ |
1716 | OPT_BOOLEAN('f', "force", &kwork.force, "don't complain, do it"), |
1717 | OPT_END() | |
1718 | }; | |
f98919ec YJ |
1719 | const struct option report_options[] = { |
1720 | OPT_STRING('s', "sort", &kwork.sort_order, "key[,key2...]", | |
1721 | "sort by key(s): runtime, max, count"), | |
1722 | OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu", | |
1723 | "list of cpus to profile"), | |
1724 | OPT_STRING('n', "name", &kwork.profile_name, "name", | |
1725 | "event name to profile"), | |
1726 | OPT_STRING(0, "time", &kwork.time_str, "str", | |
1727 | "Time span for analysis (start,stop)"), | |
1728 | OPT_STRING('i', "input", &input_name, "file", | |
1729 | "input file name"), | |
1730 | OPT_BOOLEAN('S', "with-summary", &kwork.summary, | |
1731 | "Show summary with statistics"), | |
daf07d22 YJ |
1732 | #ifdef HAVE_BPF_SKEL |
1733 | OPT_BOOLEAN('b', "use-bpf", &kwork.use_bpf, | |
1734 | "Use BPF to measure kwork runtime"), | |
1735 | #endif | |
f98919ec YJ |
1736 | OPT_PARENT(kwork_options) |
1737 | }; | |
ad3d9f7a YJ |
1738 | const struct option latency_options[] = { |
1739 | OPT_STRING('s', "sort", &kwork.sort_order, "key[,key2...]", | |
1740 | "sort by key(s): avg, max, count"), | |
1741 | OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu", | |
1742 | "list of cpus to profile"), | |
1743 | OPT_STRING('n', "name", &kwork.profile_name, "name", | |
1744 | "event name to profile"), | |
1745 | OPT_STRING(0, "time", &kwork.time_str, "str", | |
1746 | "Time span for analysis (start,stop)"), | |
1747 | OPT_STRING('i', "input", &input_name, "file", | |
1748 | "input file name"), | |
daf07d22 YJ |
1749 | #ifdef HAVE_BPF_SKEL |
1750 | OPT_BOOLEAN('b', "use-bpf", &kwork.use_bpf, | |
1751 | "Use BPF to measure kwork latency"), | |
1752 | #endif | |
ad3d9f7a YJ |
1753 | OPT_PARENT(kwork_options) |
1754 | }; | |
bcc8b3e8 YJ |
1755 | const struct option timehist_options[] = { |
1756 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, | |
1757 | "file", "vmlinux pathname"), | |
1758 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, | |
1759 | "file", "kallsyms pathname"), | |
1760 | OPT_BOOLEAN('g', "call-graph", &kwork.show_callchain, | |
1761 | "Display call chains if present"), | |
1762 | OPT_UINTEGER(0, "max-stack", &kwork.max_stack, | |
1763 | "Maximum number of functions to display backtrace."), | |
1764 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", | |
1765 | "Look for files with symbols relative to this directory"), | |
1766 | OPT_STRING(0, "time", &kwork.time_str, "str", | |
1767 | "Time span for analysis (start,stop)"), | |
1768 | OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu", | |
1769 | "list of cpus to profile"), | |
1770 | OPT_STRING('n', "name", &kwork.profile_name, "name", | |
1771 | "event name to profile"), | |
1772 | OPT_STRING('i', "input", &input_name, "file", | |
1773 | "input file name"), | |
1774 | OPT_PARENT(kwork_options) | |
1775 | }; | |
0f70d8e9 YJ |
1776 | const char *kwork_usage[] = { |
1777 | NULL, | |
1778 | NULL | |
1779 | }; | |
f98919ec YJ |
1780 | const char * const report_usage[] = { |
1781 | "perf kwork report [<options>]", | |
1782 | NULL | |
1783 | }; | |
ad3d9f7a YJ |
1784 | const char * const latency_usage[] = { |
1785 | "perf kwork latency [<options>]", | |
1786 | NULL | |
1787 | }; | |
bcc8b3e8 YJ |
1788 | const char * const timehist_usage[] = { |
1789 | "perf kwork timehist [<options>]", | |
1790 | NULL | |
1791 | }; | |
0f70d8e9 | 1792 | const char *const kwork_subcommands[] = { |
bcc8b3e8 | 1793 | "record", "report", "latency", "timehist", NULL |
0f70d8e9 YJ |
1794 | }; |
1795 | ||
1796 | argc = parse_options_subcommand(argc, argv, kwork_options, | |
1797 | kwork_subcommands, kwork_usage, | |
1798 | PARSE_OPT_STOP_AT_NON_OPTION); | |
1799 | if (!argc) | |
1800 | usage_with_options(kwork_usage, kwork_options); | |
1801 | ||
1802 | setup_event_list(&kwork, kwork_options, kwork_usage); | |
f98919ec | 1803 | sort_dimension__add(&kwork, "id", &kwork.cmp_id); |
0f70d8e9 YJ |
1804 | |
1805 | if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) | |
1806 | return perf_kwork__record(&kwork, argc, argv); | |
f98919ec YJ |
1807 | else if (strlen(argv[0]) > 2 && strstarts("report", argv[0])) { |
1808 | kwork.sort_order = default_report_sort_order; | |
1809 | if (argc > 1) { | |
1810 | argc = parse_options(argc, argv, report_options, report_usage, 0); | |
1811 | if (argc) | |
1812 | usage_with_options(report_usage, report_options); | |
1813 | } | |
1814 | kwork.report = KWORK_REPORT_RUNTIME; | |
1815 | setup_sorting(&kwork, report_options, report_usage); | |
1816 | return perf_kwork__report(&kwork); | |
ad3d9f7a YJ |
1817 | } else if (strlen(argv[0]) > 2 && strstarts("latency", argv[0])) { |
1818 | kwork.sort_order = default_latency_sort_order; | |
1819 | if (argc > 1) { | |
1820 | argc = parse_options(argc, argv, latency_options, latency_usage, 0); | |
1821 | if (argc) | |
1822 | usage_with_options(latency_usage, latency_options); | |
1823 | } | |
1824 | kwork.report = KWORK_REPORT_LATENCY; | |
1825 | setup_sorting(&kwork, latency_options, latency_usage); | |
1826 | return perf_kwork__report(&kwork); | |
bcc8b3e8 YJ |
1827 | } else if (strlen(argv[0]) > 2 && strstarts("timehist", argv[0])) { |
1828 | if (argc > 1) { | |
1829 | argc = parse_options(argc, argv, timehist_options, timehist_usage, 0); | |
1830 | if (argc) | |
1831 | usage_with_options(timehist_usage, timehist_options); | |
1832 | } | |
1833 | kwork.report = KWORK_REPORT_TIMEHIST; | |
1834 | return perf_kwork__timehist(&kwork); | |
f98919ec | 1835 | } else |
0f70d8e9 YJ |
1836 | usage_with_options(kwork_usage, kwork_options); |
1837 | ||
1838 | return 0; | |
1839 | } |