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7aef3bf3 JO |
1 | #include <linux/compiler.h> |
2 | #include <linux/kernel.h> | |
3 | #include "util.h" | |
4 | #include "debug.h" | |
5 | #include "builtin.h" | |
6 | #include <subcmd/parse-options.h> | |
39bcd4a4 | 7 | #include "mem-events.h" |
903a6f15 JO |
8 | #include "session.h" |
9 | #include "hist.h" | |
10 | #include "tool.h" | |
11 | #include "data.h" | |
8d3f938d | 12 | #include "sort.h" |
903a6f15 | 13 | |
c75540e3 JO |
14 | struct c2c_hists { |
15 | struct hists hists; | |
16 | struct perf_hpp_list list; | |
b2252ae6 | 17 | struct c2c_stats stats; |
c75540e3 JO |
18 | }; |
19 | ||
78b27543 JO |
20 | struct c2c_hist_entry { |
21 | struct c2c_hists *hists; | |
b2252ae6 | 22 | struct c2c_stats stats; |
78b27543 JO |
23 | /* |
24 | * must be at the end, | |
25 | * because of its callchain dynamic entry | |
26 | */ | |
27 | struct hist_entry he; | |
28 | }; | |
29 | ||
903a6f15 | 30 | struct perf_c2c { |
c75540e3 JO |
31 | struct perf_tool tool; |
32 | struct c2c_hists hists; | |
903a6f15 JO |
33 | }; |
34 | ||
35 | static struct perf_c2c c2c; | |
7aef3bf3 | 36 | |
78b27543 JO |
37 | static void *c2c_he_zalloc(size_t size) |
38 | { | |
39 | struct c2c_hist_entry *c2c_he; | |
40 | ||
41 | c2c_he = zalloc(size + sizeof(*c2c_he)); | |
42 | if (!c2c_he) | |
43 | return NULL; | |
44 | ||
45 | return &c2c_he->he; | |
46 | } | |
47 | ||
48 | static void c2c_he_free(void *he) | |
49 | { | |
50 | struct c2c_hist_entry *c2c_he; | |
51 | ||
52 | c2c_he = container_of(he, struct c2c_hist_entry, he); | |
53 | if (c2c_he->hists) { | |
54 | hists__delete_entries(&c2c_he->hists->hists); | |
55 | free(c2c_he->hists); | |
56 | } | |
57 | ||
58 | free(c2c_he); | |
59 | } | |
60 | ||
61 | static struct hist_entry_ops c2c_entry_ops = { | |
62 | .new = c2c_he_zalloc, | |
63 | .free = c2c_he_free, | |
64 | }; | |
65 | ||
ec06f9b9 JO |
66 | static int c2c_hists__init(struct c2c_hists *hists, |
67 | const char *sort); | |
68 | ||
b2252ae6 JO |
69 | static struct c2c_hists* |
70 | he__get_c2c_hists(struct hist_entry *he, | |
71 | const char *sort) | |
ec06f9b9 JO |
72 | { |
73 | struct c2c_hist_entry *c2c_he; | |
74 | struct c2c_hists *hists; | |
75 | int ret; | |
76 | ||
77 | c2c_he = container_of(he, struct c2c_hist_entry, he); | |
78 | if (c2c_he->hists) | |
b2252ae6 | 79 | return c2c_he->hists; |
ec06f9b9 JO |
80 | |
81 | hists = c2c_he->hists = zalloc(sizeof(*hists)); | |
82 | if (!hists) | |
83 | return NULL; | |
84 | ||
85 | ret = c2c_hists__init(hists, sort); | |
86 | if (ret) { | |
87 | free(hists); | |
88 | return NULL; | |
89 | } | |
90 | ||
b2252ae6 | 91 | return hists; |
ec06f9b9 JO |
92 | } |
93 | ||
78b27543 JO |
94 | static int process_sample_event(struct perf_tool *tool __maybe_unused, |
95 | union perf_event *event, | |
96 | struct perf_sample *sample, | |
97 | struct perf_evsel *evsel __maybe_unused, | |
98 | struct machine *machine) | |
99 | { | |
b2252ae6 JO |
100 | struct c2c_hists *c2c_hists = &c2c.hists; |
101 | struct c2c_hist_entry *c2c_he; | |
102 | struct c2c_stats stats = { .nr_entries = 0, }; | |
78b27543 JO |
103 | struct hist_entry *he; |
104 | struct addr_location al; | |
ec06f9b9 | 105 | struct mem_info *mi, *mi_dup; |
78b27543 JO |
106 | int ret; |
107 | ||
108 | if (machine__resolve(machine, &al, sample) < 0) { | |
109 | pr_debug("problem processing %d event, skipping it.\n", | |
110 | event->header.type); | |
111 | return -1; | |
112 | } | |
113 | ||
114 | mi = sample__resolve_mem(sample, &al); | |
115 | if (mi == NULL) | |
116 | return -ENOMEM; | |
117 | ||
ec06f9b9 JO |
118 | mi_dup = memdup(mi, sizeof(*mi)); |
119 | if (!mi_dup) | |
120 | goto free_mi; | |
121 | ||
b2252ae6 JO |
122 | c2c_decode_stats(&stats, mi); |
123 | ||
124 | he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops, | |
78b27543 JO |
125 | &al, NULL, NULL, mi, |
126 | sample, true); | |
ec06f9b9 JO |
127 | if (he == NULL) |
128 | goto free_mi_dup; | |
78b27543 | 129 | |
b2252ae6 JO |
130 | c2c_he = container_of(he, struct c2c_hist_entry, he); |
131 | c2c_add_stats(&c2c_he->stats, &stats); | |
132 | c2c_add_stats(&c2c_hists->stats, &stats); | |
133 | ||
134 | hists__inc_nr_samples(&c2c_hists->hists, he->filtered); | |
78b27543 JO |
135 | ret = hist_entry__append_callchain(he, sample); |
136 | ||
ec06f9b9 JO |
137 | if (!ret) { |
138 | mi = mi_dup; | |
139 | ||
140 | mi_dup = memdup(mi, sizeof(*mi)); | |
141 | if (!mi_dup) | |
142 | goto free_mi; | |
143 | ||
b2252ae6 JO |
144 | c2c_hists = he__get_c2c_hists(he, "offset"); |
145 | if (!c2c_hists) | |
ec06f9b9 JO |
146 | goto free_mi_dup; |
147 | ||
b2252ae6 | 148 | he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops, |
ec06f9b9 JO |
149 | &al, NULL, NULL, mi, |
150 | sample, true); | |
151 | if (he == NULL) | |
152 | goto free_mi_dup; | |
153 | ||
b2252ae6 JO |
154 | c2c_he = container_of(he, struct c2c_hist_entry, he); |
155 | c2c_add_stats(&c2c_he->stats, &stats); | |
156 | c2c_add_stats(&c2c_hists->stats, &stats); | |
157 | ||
158 | hists__inc_nr_samples(&c2c_hists->hists, he->filtered); | |
ec06f9b9 JO |
159 | ret = hist_entry__append_callchain(he, sample); |
160 | } | |
161 | ||
162 | out: | |
78b27543 JO |
163 | addr_location__put(&al); |
164 | return ret; | |
ec06f9b9 JO |
165 | |
166 | free_mi_dup: | |
167 | free(mi_dup); | |
168 | free_mi: | |
169 | free(mi); | |
170 | ret = -ENOMEM; | |
171 | goto out; | |
78b27543 JO |
172 | } |
173 | ||
174 | static struct perf_c2c c2c = { | |
175 | .tool = { | |
176 | .sample = process_sample_event, | |
177 | .mmap = perf_event__process_mmap, | |
178 | .mmap2 = perf_event__process_mmap2, | |
179 | .comm = perf_event__process_comm, | |
180 | .exit = perf_event__process_exit, | |
181 | .fork = perf_event__process_fork, | |
182 | .lost = perf_event__process_lost, | |
183 | .ordered_events = true, | |
184 | .ordering_requires_timestamps = true, | |
185 | }, | |
186 | }; | |
187 | ||
7aef3bf3 | 188 | static const char * const c2c_usage[] = { |
903a6f15 | 189 | "perf c2c {record|report}", |
7aef3bf3 JO |
190 | NULL |
191 | }; | |
192 | ||
903a6f15 JO |
193 | static const char * const __usage_report[] = { |
194 | "perf c2c report", | |
195 | NULL | |
196 | }; | |
197 | ||
198 | static const char * const *report_c2c_usage = __usage_report; | |
199 | ||
c75540e3 JO |
200 | #define C2C_HEADER_MAX 2 |
201 | ||
202 | struct c2c_header { | |
203 | struct { | |
204 | const char *text; | |
205 | int span; | |
206 | } line[C2C_HEADER_MAX]; | |
207 | }; | |
208 | ||
209 | struct c2c_dimension { | |
210 | struct c2c_header header; | |
211 | const char *name; | |
212 | int width; | |
8d3f938d | 213 | struct sort_entry *se; |
c75540e3 JO |
214 | |
215 | int64_t (*cmp)(struct perf_hpp_fmt *fmt, | |
216 | struct hist_entry *, struct hist_entry *); | |
217 | int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, | |
218 | struct hist_entry *he); | |
219 | int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, | |
220 | struct hist_entry *he); | |
221 | }; | |
222 | ||
223 | struct c2c_fmt { | |
224 | struct perf_hpp_fmt fmt; | |
225 | struct c2c_dimension *dim; | |
226 | }; | |
227 | ||
228 | static int c2c_width(struct perf_hpp_fmt *fmt, | |
229 | struct perf_hpp *hpp __maybe_unused, | |
230 | struct hists *hists __maybe_unused) | |
231 | { | |
232 | struct c2c_fmt *c2c_fmt; | |
8d3f938d | 233 | struct c2c_dimension *dim; |
c75540e3 JO |
234 | |
235 | c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); | |
8d3f938d JO |
236 | dim = c2c_fmt->dim; |
237 | ||
238 | return dim->se ? hists__col_len(hists, dim->se->se_width_idx) : | |
239 | c2c_fmt->dim->width; | |
c75540e3 JO |
240 | } |
241 | ||
242 | static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, | |
8d3f938d | 243 | struct hists *hists, int line, int *span) |
c75540e3 | 244 | { |
8d3f938d | 245 | struct perf_hpp_list *hpp_list = hists->hpp_list; |
c75540e3 JO |
246 | struct c2c_fmt *c2c_fmt; |
247 | struct c2c_dimension *dim; | |
8d3f938d JO |
248 | const char *text = NULL; |
249 | int width = c2c_width(fmt, hpp, hists); | |
c75540e3 JO |
250 | |
251 | c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); | |
252 | dim = c2c_fmt->dim; | |
253 | ||
8d3f938d JO |
254 | if (dim->se) { |
255 | text = dim->header.line[line].text; | |
256 | /* Use the last line from sort_entry if not defined. */ | |
257 | if (!text && (line == hpp_list->nr_header_lines - 1)) | |
258 | text = dim->se->se_header; | |
c75540e3 | 259 | } else { |
8d3f938d JO |
260 | text = dim->header.line[line].text; |
261 | ||
262 | if (*span) { | |
263 | (*span)--; | |
264 | return 0; | |
265 | } else { | |
266 | *span = dim->header.line[line].span; | |
267 | } | |
c75540e3 JO |
268 | } |
269 | ||
8d3f938d JO |
270 | if (text == NULL) |
271 | text = ""; | |
272 | ||
273 | return scnprintf(hpp->buf, hpp->size, "%*s", width, text); | |
c75540e3 JO |
274 | } |
275 | ||
600a8cf4 JO |
276 | #define HEADER_LOW(__h) \ |
277 | { \ | |
278 | .line[1] = { \ | |
279 | .text = __h, \ | |
280 | }, \ | |
281 | } | |
282 | ||
283 | #define HEADER_BOTH(__h0, __h1) \ | |
284 | { \ | |
285 | .line[0] = { \ | |
286 | .text = __h0, \ | |
287 | }, \ | |
288 | .line[1] = { \ | |
289 | .text = __h1, \ | |
290 | }, \ | |
291 | } | |
292 | ||
293 | #define HEADER_SPAN(__h0, __h1, __s) \ | |
294 | { \ | |
295 | .line[0] = { \ | |
296 | .text = __h0, \ | |
297 | .span = __s, \ | |
298 | }, \ | |
299 | .line[1] = { \ | |
300 | .text = __h1, \ | |
301 | }, \ | |
302 | } | |
303 | ||
304 | #define HEADER_SPAN_LOW(__h) \ | |
305 | { \ | |
306 | .line[1] = { \ | |
307 | .text = __h, \ | |
308 | }, \ | |
309 | } | |
310 | ||
c75540e3 JO |
311 | static struct c2c_dimension *dimensions[] = { |
312 | NULL, | |
313 | }; | |
314 | ||
315 | static void fmt_free(struct perf_hpp_fmt *fmt) | |
316 | { | |
317 | struct c2c_fmt *c2c_fmt; | |
318 | ||
319 | c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); | |
320 | free(c2c_fmt); | |
321 | } | |
322 | ||
323 | static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b) | |
324 | { | |
325 | struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt); | |
326 | struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt); | |
327 | ||
328 | return c2c_a->dim == c2c_b->dim; | |
329 | } | |
330 | ||
331 | static struct c2c_dimension *get_dimension(const char *name) | |
332 | { | |
333 | unsigned int i; | |
334 | ||
335 | for (i = 0; dimensions[i]; i++) { | |
336 | struct c2c_dimension *dim = dimensions[i]; | |
337 | ||
338 | if (!strcmp(dim->name, name)) | |
339 | return dim; | |
340 | }; | |
341 | ||
342 | return NULL; | |
343 | } | |
344 | ||
8d3f938d JO |
345 | static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
346 | struct hist_entry *he) | |
347 | { | |
348 | struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); | |
349 | struct c2c_dimension *dim = c2c_fmt->dim; | |
350 | size_t len = fmt->user_len; | |
351 | ||
352 | if (!len) | |
353 | len = hists__col_len(he->hists, dim->se->se_width_idx); | |
354 | ||
355 | return dim->se->se_snprintf(he, hpp->buf, hpp->size, len); | |
356 | } | |
357 | ||
358 | static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt, | |
359 | struct hist_entry *a, struct hist_entry *b) | |
360 | { | |
361 | struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); | |
362 | struct c2c_dimension *dim = c2c_fmt->dim; | |
363 | ||
364 | return dim->se->se_cmp(a, b); | |
365 | } | |
366 | ||
367 | static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt, | |
368 | struct hist_entry *a, struct hist_entry *b) | |
369 | { | |
370 | struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); | |
371 | struct c2c_dimension *dim = c2c_fmt->dim; | |
372 | int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *); | |
373 | ||
374 | collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp; | |
375 | return collapse_fn(a, b); | |
376 | } | |
377 | ||
c75540e3 JO |
378 | static struct c2c_fmt *get_format(const char *name) |
379 | { | |
380 | struct c2c_dimension *dim = get_dimension(name); | |
381 | struct c2c_fmt *c2c_fmt; | |
382 | struct perf_hpp_fmt *fmt; | |
383 | ||
384 | if (!dim) | |
385 | return NULL; | |
386 | ||
387 | c2c_fmt = zalloc(sizeof(*c2c_fmt)); | |
388 | if (!c2c_fmt) | |
389 | return NULL; | |
390 | ||
391 | c2c_fmt->dim = dim; | |
392 | ||
393 | fmt = &c2c_fmt->fmt; | |
394 | INIT_LIST_HEAD(&fmt->list); | |
395 | INIT_LIST_HEAD(&fmt->sort_list); | |
396 | ||
8d3f938d JO |
397 | fmt->cmp = dim->se ? c2c_se_cmp : dim->cmp; |
398 | fmt->sort = dim->se ? c2c_se_cmp : dim->cmp; | |
399 | fmt->entry = dim->se ? c2c_se_entry : dim->entry; | |
c75540e3 JO |
400 | fmt->header = c2c_header; |
401 | fmt->width = c2c_width; | |
8d3f938d | 402 | fmt->collapse = dim->se ? c2c_se_collapse : dim->cmp; |
c75540e3 JO |
403 | fmt->equal = fmt_equal; |
404 | fmt->free = fmt_free; | |
405 | ||
406 | return c2c_fmt; | |
407 | } | |
408 | ||
409 | static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name) | |
410 | { | |
411 | struct c2c_fmt *c2c_fmt = get_format(name); | |
412 | ||
5f2eca83 JO |
413 | if (!c2c_fmt) { |
414 | reset_dimensions(); | |
415 | return output_field_add(hpp_list, name); | |
416 | } | |
c75540e3 JO |
417 | |
418 | perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt); | |
419 | return 0; | |
420 | } | |
421 | ||
422 | static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name) | |
423 | { | |
424 | struct c2c_fmt *c2c_fmt = get_format(name); | |
425 | ||
5f2eca83 JO |
426 | if (!c2c_fmt) { |
427 | reset_dimensions(); | |
428 | return sort_dimension__add(hpp_list, name, NULL, 0); | |
429 | } | |
c75540e3 JO |
430 | |
431 | perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt); | |
432 | return 0; | |
433 | } | |
434 | ||
435 | #define PARSE_LIST(_list, _fn) \ | |
436 | do { \ | |
437 | char *tmp, *tok; \ | |
438 | ret = 0; \ | |
439 | \ | |
440 | if (!_list) \ | |
441 | break; \ | |
442 | \ | |
443 | for (tok = strtok_r((char *)_list, ", ", &tmp); \ | |
444 | tok; tok = strtok_r(NULL, ", ", &tmp)) { \ | |
445 | ret = _fn(hpp_list, tok); \ | |
446 | if (ret == -EINVAL) { \ | |
447 | error("Invalid --fields key: `%s'", tok); \ | |
448 | break; \ | |
449 | } else if (ret == -ESRCH) { \ | |
450 | error("Unknown --fields key: `%s'", tok); \ | |
451 | break; \ | |
452 | } \ | |
453 | } \ | |
454 | } while (0) | |
455 | ||
456 | static int hpp_list__parse(struct perf_hpp_list *hpp_list, | |
457 | const char *output_, | |
458 | const char *sort_) | |
459 | { | |
460 | char *output = output_ ? strdup(output_) : NULL; | |
461 | char *sort = sort_ ? strdup(sort_) : NULL; | |
462 | int ret; | |
463 | ||
464 | PARSE_LIST(output, c2c_hists__init_output); | |
465 | PARSE_LIST(sort, c2c_hists__init_sort); | |
466 | ||
467 | /* copy sort keys to output fields */ | |
468 | perf_hpp__setup_output_field(hpp_list); | |
469 | ||
470 | /* | |
471 | * We dont need other sorting keys other than those | |
472 | * we already specified. It also really slows down | |
473 | * the processing a lot with big number of output | |
474 | * fields, so switching this off for c2c. | |
475 | */ | |
476 | ||
477 | #if 0 | |
478 | /* and then copy output fields to sort keys */ | |
479 | perf_hpp__append_sort_keys(&hists->list); | |
480 | #endif | |
481 | ||
482 | free(output); | |
483 | free(sort); | |
484 | return ret; | |
485 | } | |
486 | ||
487 | static int c2c_hists__init(struct c2c_hists *hists, | |
488 | const char *sort) | |
489 | { | |
490 | __hists__init(&hists->hists, &hists->list); | |
491 | ||
492 | /* | |
493 | * Initialize only with sort fields, we need to resort | |
494 | * later anyway, and that's where we add output fields | |
495 | * as well. | |
496 | */ | |
497 | perf_hpp_list__init(&hists->list); | |
498 | ||
499 | return hpp_list__parse(&hists->list, NULL, sort); | |
500 | } | |
501 | ||
502 | __maybe_unused | |
503 | static int c2c_hists__reinit(struct c2c_hists *c2c_hists, | |
504 | const char *output, | |
505 | const char *sort) | |
506 | { | |
507 | perf_hpp__reset_output_field(&c2c_hists->list); | |
508 | return hpp_list__parse(&c2c_hists->list, output, sort); | |
509 | } | |
510 | ||
ec06f9b9 JO |
511 | static int filter_cb(struct hist_entry *he __maybe_unused) |
512 | { | |
513 | return 0; | |
514 | } | |
515 | ||
516 | static int resort_cl_cb(struct hist_entry *he) | |
517 | { | |
518 | struct c2c_hist_entry *c2c_he; | |
519 | struct c2c_hists *c2c_hists; | |
520 | ||
521 | c2c_he = container_of(he, struct c2c_hist_entry, he); | |
522 | c2c_hists = c2c_he->hists; | |
523 | ||
524 | if (c2c_hists) { | |
525 | hists__collapse_resort(&c2c_hists->hists, NULL); | |
526 | hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb); | |
527 | } | |
528 | ||
529 | return 0; | |
530 | } | |
531 | ||
903a6f15 JO |
532 | static int perf_c2c__report(int argc, const char **argv) |
533 | { | |
534 | struct perf_session *session; | |
78b27543 | 535 | struct ui_progress prog; |
903a6f15 JO |
536 | struct perf_data_file file = { |
537 | .mode = PERF_DATA_MODE_READ, | |
538 | }; | |
539 | const struct option c2c_options[] = { | |
540 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, | |
541 | "file", "vmlinux pathname"), | |
542 | OPT_INCR('v', "verbose", &verbose, | |
543 | "be more verbose (show counter open errors, etc)"), | |
544 | OPT_STRING('i', "input", &input_name, "file", | |
545 | "the input file to process"), | |
546 | OPT_END() | |
547 | }; | |
548 | int err = 0; | |
549 | ||
550 | argc = parse_options(argc, argv, c2c_options, report_c2c_usage, | |
551 | PARSE_OPT_STOP_AT_NON_OPTION); | |
78b27543 | 552 | if (argc) |
903a6f15 JO |
553 | usage_with_options(report_c2c_usage, c2c_options); |
554 | ||
78b27543 JO |
555 | if (!input_name || !strlen(input_name)) |
556 | input_name = "perf.data"; | |
557 | ||
903a6f15 JO |
558 | file.path = input_name; |
559 | ||
c75540e3 JO |
560 | err = c2c_hists__init(&c2c.hists, "dcacheline"); |
561 | if (err) { | |
562 | pr_debug("Failed to initialize hists\n"); | |
563 | goto out; | |
564 | } | |
565 | ||
903a6f15 JO |
566 | session = perf_session__new(&file, 0, &c2c.tool); |
567 | if (session == NULL) { | |
568 | pr_debug("No memory for session\n"); | |
569 | goto out; | |
570 | } | |
571 | ||
572 | if (symbol__init(&session->header.env) < 0) | |
573 | goto out_session; | |
574 | ||
575 | /* No pipe support at the moment. */ | |
576 | if (perf_data_file__is_pipe(session->file)) { | |
577 | pr_debug("No pipe support at the moment.\n"); | |
578 | goto out_session; | |
579 | } | |
580 | ||
78b27543 JO |
581 | err = perf_session__process_events(session); |
582 | if (err) { | |
583 | pr_err("failed to process sample\n"); | |
584 | goto out_session; | |
585 | } | |
586 | ||
587 | ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting..."); | |
588 | ||
589 | hists__collapse_resort(&c2c.hists.hists, NULL); | |
ec06f9b9 | 590 | hists__output_resort_cb(&c2c.hists.hists, &prog, resort_cl_cb); |
78b27543 JO |
591 | |
592 | ui_progress__finish(); | |
593 | ||
903a6f15 JO |
594 | out_session: |
595 | perf_session__delete(session); | |
596 | out: | |
597 | return err; | |
598 | } | |
599 | ||
39bcd4a4 JO |
600 | static int parse_record_events(const struct option *opt __maybe_unused, |
601 | const char *str, int unset __maybe_unused) | |
602 | { | |
603 | bool *event_set = (bool *) opt->value; | |
604 | ||
605 | *event_set = true; | |
606 | return perf_mem_events__parse(str); | |
607 | } | |
608 | ||
609 | ||
610 | static const char * const __usage_record[] = { | |
611 | "perf c2c record [<options>] [<command>]", | |
612 | "perf c2c record [<options>] -- <command> [<options>]", | |
613 | NULL | |
614 | }; | |
615 | ||
616 | static const char * const *record_mem_usage = __usage_record; | |
617 | ||
618 | static int perf_c2c__record(int argc, const char **argv) | |
619 | { | |
620 | int rec_argc, i = 0, j; | |
621 | const char **rec_argv; | |
622 | int ret; | |
623 | bool all_user = false, all_kernel = false; | |
624 | bool event_set = false; | |
625 | struct option options[] = { | |
626 | OPT_CALLBACK('e', "event", &event_set, "event", | |
627 | "event selector. Use 'perf mem record -e list' to list available events", | |
628 | parse_record_events), | |
629 | OPT_INCR('v', "verbose", &verbose, | |
630 | "be more verbose (show counter open errors, etc)"), | |
631 | OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"), | |
632 | OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"), | |
633 | OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"), | |
634 | OPT_END() | |
635 | }; | |
636 | ||
637 | if (perf_mem_events__init()) { | |
638 | pr_err("failed: memory events not supported\n"); | |
639 | return -1; | |
640 | } | |
641 | ||
642 | argc = parse_options(argc, argv, options, record_mem_usage, | |
643 | PARSE_OPT_KEEP_UNKNOWN); | |
644 | ||
645 | rec_argc = argc + 10; /* max number of arguments */ | |
646 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); | |
647 | if (!rec_argv) | |
648 | return -1; | |
649 | ||
650 | rec_argv[i++] = "record"; | |
651 | ||
652 | if (!event_set) { | |
653 | perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true; | |
654 | perf_mem_events[PERF_MEM_EVENTS__STORE].record = true; | |
655 | } | |
656 | ||
657 | if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record) | |
658 | rec_argv[i++] = "-W"; | |
659 | ||
660 | rec_argv[i++] = "-d"; | |
661 | rec_argv[i++] = "--sample-cpu"; | |
662 | ||
663 | for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) { | |
664 | if (!perf_mem_events[j].record) | |
665 | continue; | |
666 | ||
667 | if (!perf_mem_events[j].supported) { | |
668 | pr_err("failed: event '%s' not supported\n", | |
669 | perf_mem_events[j].name); | |
670 | return -1; | |
671 | } | |
672 | ||
673 | rec_argv[i++] = "-e"; | |
674 | rec_argv[i++] = perf_mem_events__name(j); | |
675 | }; | |
676 | ||
677 | if (all_user) | |
678 | rec_argv[i++] = "--all-user"; | |
679 | ||
680 | if (all_kernel) | |
681 | rec_argv[i++] = "--all-kernel"; | |
682 | ||
683 | for (j = 0; j < argc; j++, i++) | |
684 | rec_argv[i] = argv[j]; | |
685 | ||
686 | if (verbose > 0) { | |
687 | pr_debug("calling: "); | |
688 | ||
689 | j = 0; | |
690 | ||
691 | while (rec_argv[j]) { | |
692 | pr_debug("%s ", rec_argv[j]); | |
693 | j++; | |
694 | } | |
695 | pr_debug("\n"); | |
696 | } | |
697 | ||
698 | ret = cmd_record(i, rec_argv, NULL); | |
699 | free(rec_argv); | |
700 | return ret; | |
701 | } | |
702 | ||
7aef3bf3 JO |
703 | int cmd_c2c(int argc, const char **argv, const char *prefix __maybe_unused) |
704 | { | |
705 | const struct option c2c_options[] = { | |
706 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), | |
707 | OPT_END() | |
708 | }; | |
709 | ||
710 | argc = parse_options(argc, argv, c2c_options, c2c_usage, | |
711 | PARSE_OPT_STOP_AT_NON_OPTION); | |
39bcd4a4 JO |
712 | |
713 | if (!argc) | |
714 | usage_with_options(c2c_usage, c2c_options); | |
715 | ||
716 | if (!strncmp(argv[0], "rec", 3)) { | |
717 | return perf_c2c__record(argc, argv); | |
903a6f15 JO |
718 | } else if (!strncmp(argv[0], "rep", 3)) { |
719 | return perf_c2c__report(argc, argv); | |
39bcd4a4 JO |
720 | } else { |
721 | usage_with_options(c2c_usage, c2c_options); | |
722 | } | |
723 | ||
7aef3bf3 JO |
724 | return 0; |
725 | } |