]>
Commit | Line | Data |
---|---|---|
7aef3bf3 JO |
1 | #include <linux/compiler.h> |
2 | #include <linux/kernel.h> | |
cbb88500 | 3 | #include <linux/stringify.h> |
7aef3bf3 JO |
4 | #include "util.h" |
5 | #include "debug.h" | |
6 | #include "builtin.h" | |
7 | #include <subcmd/parse-options.h> | |
39bcd4a4 | 8 | #include "mem-events.h" |
903a6f15 JO |
9 | #include "session.h" |
10 | #include "hist.h" | |
cbb88500 | 11 | #include "sort.h" |
903a6f15 JO |
12 | #include "tool.h" |
13 | #include "data.h" | |
8d3f938d | 14 | #include "sort.h" |
903a6f15 | 15 | |
c75540e3 JO |
16 | struct c2c_hists { |
17 | struct hists hists; | |
18 | struct perf_hpp_list list; | |
b2252ae6 | 19 | struct c2c_stats stats; |
c75540e3 JO |
20 | }; |
21 | ||
78b27543 JO |
22 | struct c2c_hist_entry { |
23 | struct c2c_hists *hists; | |
b2252ae6 | 24 | struct c2c_stats stats; |
78b27543 JO |
25 | /* |
26 | * must be at the end, | |
27 | * because of its callchain dynamic entry | |
28 | */ | |
29 | struct hist_entry he; | |
30 | }; | |
31 | ||
903a6f15 | 32 | struct perf_c2c { |
c75540e3 JO |
33 | struct perf_tool tool; |
34 | struct c2c_hists hists; | |
903a6f15 JO |
35 | }; |
36 | ||
37 | static struct perf_c2c c2c; | |
7aef3bf3 | 38 | |
78b27543 JO |
39 | static void *c2c_he_zalloc(size_t size) |
40 | { | |
41 | struct c2c_hist_entry *c2c_he; | |
42 | ||
43 | c2c_he = zalloc(size + sizeof(*c2c_he)); | |
44 | if (!c2c_he) | |
45 | return NULL; | |
46 | ||
47 | return &c2c_he->he; | |
48 | } | |
49 | ||
50 | static void c2c_he_free(void *he) | |
51 | { | |
52 | struct c2c_hist_entry *c2c_he; | |
53 | ||
54 | c2c_he = container_of(he, struct c2c_hist_entry, he); | |
55 | if (c2c_he->hists) { | |
56 | hists__delete_entries(&c2c_he->hists->hists); | |
57 | free(c2c_he->hists); | |
58 | } | |
59 | ||
60 | free(c2c_he); | |
61 | } | |
62 | ||
63 | static struct hist_entry_ops c2c_entry_ops = { | |
64 | .new = c2c_he_zalloc, | |
65 | .free = c2c_he_free, | |
66 | }; | |
67 | ||
ec06f9b9 JO |
68 | static int c2c_hists__init(struct c2c_hists *hists, |
69 | const char *sort); | |
70 | ||
b2252ae6 JO |
71 | static struct c2c_hists* |
72 | he__get_c2c_hists(struct hist_entry *he, | |
73 | const char *sort) | |
ec06f9b9 JO |
74 | { |
75 | struct c2c_hist_entry *c2c_he; | |
76 | struct c2c_hists *hists; | |
77 | int ret; | |
78 | ||
79 | c2c_he = container_of(he, struct c2c_hist_entry, he); | |
80 | if (c2c_he->hists) | |
b2252ae6 | 81 | return c2c_he->hists; |
ec06f9b9 JO |
82 | |
83 | hists = c2c_he->hists = zalloc(sizeof(*hists)); | |
84 | if (!hists) | |
85 | return NULL; | |
86 | ||
87 | ret = c2c_hists__init(hists, sort); | |
88 | if (ret) { | |
89 | free(hists); | |
90 | return NULL; | |
91 | } | |
92 | ||
b2252ae6 | 93 | return hists; |
ec06f9b9 JO |
94 | } |
95 | ||
78b27543 JO |
96 | static int process_sample_event(struct perf_tool *tool __maybe_unused, |
97 | union perf_event *event, | |
98 | struct perf_sample *sample, | |
99 | struct perf_evsel *evsel __maybe_unused, | |
100 | struct machine *machine) | |
101 | { | |
b2252ae6 JO |
102 | struct c2c_hists *c2c_hists = &c2c.hists; |
103 | struct c2c_hist_entry *c2c_he; | |
104 | struct c2c_stats stats = { .nr_entries = 0, }; | |
78b27543 JO |
105 | struct hist_entry *he; |
106 | struct addr_location al; | |
ec06f9b9 | 107 | struct mem_info *mi, *mi_dup; |
78b27543 JO |
108 | int ret; |
109 | ||
110 | if (machine__resolve(machine, &al, sample) < 0) { | |
111 | pr_debug("problem processing %d event, skipping it.\n", | |
112 | event->header.type); | |
113 | return -1; | |
114 | } | |
115 | ||
116 | mi = sample__resolve_mem(sample, &al); | |
117 | if (mi == NULL) | |
118 | return -ENOMEM; | |
119 | ||
ec06f9b9 JO |
120 | mi_dup = memdup(mi, sizeof(*mi)); |
121 | if (!mi_dup) | |
122 | goto free_mi; | |
123 | ||
b2252ae6 JO |
124 | c2c_decode_stats(&stats, mi); |
125 | ||
126 | he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops, | |
78b27543 JO |
127 | &al, NULL, NULL, mi, |
128 | sample, true); | |
ec06f9b9 JO |
129 | if (he == NULL) |
130 | goto free_mi_dup; | |
78b27543 | 131 | |
b2252ae6 JO |
132 | c2c_he = container_of(he, struct c2c_hist_entry, he); |
133 | c2c_add_stats(&c2c_he->stats, &stats); | |
134 | c2c_add_stats(&c2c_hists->stats, &stats); | |
135 | ||
136 | hists__inc_nr_samples(&c2c_hists->hists, he->filtered); | |
78b27543 JO |
137 | ret = hist_entry__append_callchain(he, sample); |
138 | ||
ec06f9b9 JO |
139 | if (!ret) { |
140 | mi = mi_dup; | |
141 | ||
142 | mi_dup = memdup(mi, sizeof(*mi)); | |
143 | if (!mi_dup) | |
144 | goto free_mi; | |
145 | ||
b2252ae6 JO |
146 | c2c_hists = he__get_c2c_hists(he, "offset"); |
147 | if (!c2c_hists) | |
ec06f9b9 JO |
148 | goto free_mi_dup; |
149 | ||
b2252ae6 | 150 | he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops, |
ec06f9b9 JO |
151 | &al, NULL, NULL, mi, |
152 | sample, true); | |
153 | if (he == NULL) | |
154 | goto free_mi_dup; | |
155 | ||
b2252ae6 JO |
156 | c2c_he = container_of(he, struct c2c_hist_entry, he); |
157 | c2c_add_stats(&c2c_he->stats, &stats); | |
158 | c2c_add_stats(&c2c_hists->stats, &stats); | |
159 | ||
160 | hists__inc_nr_samples(&c2c_hists->hists, he->filtered); | |
ec06f9b9 JO |
161 | ret = hist_entry__append_callchain(he, sample); |
162 | } | |
163 | ||
164 | out: | |
78b27543 JO |
165 | addr_location__put(&al); |
166 | return ret; | |
ec06f9b9 JO |
167 | |
168 | free_mi_dup: | |
169 | free(mi_dup); | |
170 | free_mi: | |
171 | free(mi); | |
172 | ret = -ENOMEM; | |
173 | goto out; | |
78b27543 JO |
174 | } |
175 | ||
176 | static struct perf_c2c c2c = { | |
177 | .tool = { | |
178 | .sample = process_sample_event, | |
179 | .mmap = perf_event__process_mmap, | |
180 | .mmap2 = perf_event__process_mmap2, | |
181 | .comm = perf_event__process_comm, | |
182 | .exit = perf_event__process_exit, | |
183 | .fork = perf_event__process_fork, | |
184 | .lost = perf_event__process_lost, | |
185 | .ordered_events = true, | |
186 | .ordering_requires_timestamps = true, | |
187 | }, | |
188 | }; | |
189 | ||
7aef3bf3 | 190 | static const char * const c2c_usage[] = { |
903a6f15 | 191 | "perf c2c {record|report}", |
7aef3bf3 JO |
192 | NULL |
193 | }; | |
194 | ||
903a6f15 JO |
195 | static const char * const __usage_report[] = { |
196 | "perf c2c report", | |
197 | NULL | |
198 | }; | |
199 | ||
200 | static const char * const *report_c2c_usage = __usage_report; | |
201 | ||
c75540e3 JO |
202 | #define C2C_HEADER_MAX 2 |
203 | ||
204 | struct c2c_header { | |
205 | struct { | |
206 | const char *text; | |
207 | int span; | |
208 | } line[C2C_HEADER_MAX]; | |
209 | }; | |
210 | ||
211 | struct c2c_dimension { | |
212 | struct c2c_header header; | |
213 | const char *name; | |
214 | int width; | |
8d3f938d | 215 | struct sort_entry *se; |
c75540e3 JO |
216 | |
217 | int64_t (*cmp)(struct perf_hpp_fmt *fmt, | |
218 | struct hist_entry *, struct hist_entry *); | |
219 | int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, | |
220 | struct hist_entry *he); | |
221 | int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, | |
222 | struct hist_entry *he); | |
223 | }; | |
224 | ||
225 | struct c2c_fmt { | |
226 | struct perf_hpp_fmt fmt; | |
227 | struct c2c_dimension *dim; | |
228 | }; | |
229 | ||
230 | static int c2c_width(struct perf_hpp_fmt *fmt, | |
231 | struct perf_hpp *hpp __maybe_unused, | |
232 | struct hists *hists __maybe_unused) | |
233 | { | |
234 | struct c2c_fmt *c2c_fmt; | |
8d3f938d | 235 | struct c2c_dimension *dim; |
c75540e3 JO |
236 | |
237 | c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); | |
8d3f938d JO |
238 | dim = c2c_fmt->dim; |
239 | ||
240 | return dim->se ? hists__col_len(hists, dim->se->se_width_idx) : | |
241 | c2c_fmt->dim->width; | |
c75540e3 JO |
242 | } |
243 | ||
244 | static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, | |
8d3f938d | 245 | struct hists *hists, int line, int *span) |
c75540e3 | 246 | { |
8d3f938d | 247 | struct perf_hpp_list *hpp_list = hists->hpp_list; |
c75540e3 JO |
248 | struct c2c_fmt *c2c_fmt; |
249 | struct c2c_dimension *dim; | |
8d3f938d JO |
250 | const char *text = NULL; |
251 | int width = c2c_width(fmt, hpp, hists); | |
c75540e3 JO |
252 | |
253 | c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); | |
254 | dim = c2c_fmt->dim; | |
255 | ||
8d3f938d JO |
256 | if (dim->se) { |
257 | text = dim->header.line[line].text; | |
258 | /* Use the last line from sort_entry if not defined. */ | |
259 | if (!text && (line == hpp_list->nr_header_lines - 1)) | |
260 | text = dim->se->se_header; | |
c75540e3 | 261 | } else { |
8d3f938d JO |
262 | text = dim->header.line[line].text; |
263 | ||
264 | if (*span) { | |
265 | (*span)--; | |
266 | return 0; | |
267 | } else { | |
268 | *span = dim->header.line[line].span; | |
269 | } | |
c75540e3 JO |
270 | } |
271 | ||
8d3f938d JO |
272 | if (text == NULL) |
273 | text = ""; | |
274 | ||
275 | return scnprintf(hpp->buf, hpp->size, "%*s", width, text); | |
c75540e3 JO |
276 | } |
277 | ||
cbb88500 JO |
278 | #define HEX_STR(__s, __v) \ |
279 | ({ \ | |
280 | scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \ | |
281 | __s; \ | |
282 | }) | |
283 | ||
284 | static int64_t | |
285 | dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused, | |
286 | struct hist_entry *left, struct hist_entry *right) | |
287 | { | |
288 | return sort__dcacheline_cmp(left, right); | |
289 | } | |
290 | ||
291 | static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, | |
292 | struct hist_entry *he) | |
293 | { | |
294 | uint64_t addr = 0; | |
295 | int width = c2c_width(fmt, hpp, he->hists); | |
296 | char buf[20]; | |
297 | ||
298 | if (he->mem_info) | |
299 | addr = cl_address(he->mem_info->daddr.addr); | |
300 | ||
301 | return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr)); | |
302 | } | |
303 | ||
48acdebd JO |
304 | static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
305 | struct hist_entry *he) | |
306 | { | |
307 | uint64_t addr = 0; | |
308 | int width = c2c_width(fmt, hpp, he->hists); | |
309 | char buf[20]; | |
310 | ||
311 | if (he->mem_info) | |
312 | addr = cl_offset(he->mem_info->daddr.al_addr); | |
313 | ||
314 | return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr)); | |
315 | } | |
316 | ||
317 | static int64_t | |
318 | offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused, | |
319 | struct hist_entry *left, struct hist_entry *right) | |
320 | { | |
321 | uint64_t l = 0, r = 0; | |
322 | ||
323 | if (left->mem_info) | |
324 | l = cl_offset(left->mem_info->daddr.addr); | |
325 | if (right->mem_info) | |
326 | r = cl_offset(right->mem_info->daddr.addr); | |
327 | ||
328 | return (int64_t)(r - l); | |
329 | } | |
330 | ||
43575a95 JO |
331 | static int |
332 | iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, | |
333 | struct hist_entry *he) | |
334 | { | |
335 | uint64_t addr = 0; | |
336 | int width = c2c_width(fmt, hpp, he->hists); | |
337 | char buf[20]; | |
338 | ||
339 | if (he->mem_info) | |
340 | addr = he->mem_info->iaddr.addr; | |
341 | ||
342 | return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr)); | |
343 | } | |
344 | ||
345 | static int64_t | |
346 | iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused, | |
347 | struct hist_entry *left, struct hist_entry *right) | |
348 | { | |
349 | return sort__iaddr_cmp(left, right); | |
350 | } | |
351 | ||
600a8cf4 JO |
352 | #define HEADER_LOW(__h) \ |
353 | { \ | |
354 | .line[1] = { \ | |
355 | .text = __h, \ | |
356 | }, \ | |
357 | } | |
358 | ||
359 | #define HEADER_BOTH(__h0, __h1) \ | |
360 | { \ | |
361 | .line[0] = { \ | |
362 | .text = __h0, \ | |
363 | }, \ | |
364 | .line[1] = { \ | |
365 | .text = __h1, \ | |
366 | }, \ | |
367 | } | |
368 | ||
369 | #define HEADER_SPAN(__h0, __h1, __s) \ | |
370 | { \ | |
371 | .line[0] = { \ | |
372 | .text = __h0, \ | |
373 | .span = __s, \ | |
374 | }, \ | |
375 | .line[1] = { \ | |
376 | .text = __h1, \ | |
377 | }, \ | |
378 | } | |
379 | ||
380 | #define HEADER_SPAN_LOW(__h) \ | |
381 | { \ | |
382 | .line[1] = { \ | |
383 | .text = __h, \ | |
384 | }, \ | |
385 | } | |
386 | ||
cbb88500 JO |
387 | static struct c2c_dimension dim_dcacheline = { |
388 | .header = HEADER_LOW("Cacheline"), | |
389 | .name = "dcacheline", | |
390 | .cmp = dcacheline_cmp, | |
391 | .entry = dcacheline_entry, | |
392 | .width = 18, | |
393 | }; | |
394 | ||
48acdebd JO |
395 | static struct c2c_dimension dim_offset = { |
396 | .header = HEADER_BOTH("Data address", "Offset"), | |
397 | .name = "offset", | |
398 | .cmp = offset_cmp, | |
399 | .entry = offset_entry, | |
400 | .width = 18, | |
401 | }; | |
402 | ||
43575a95 JO |
403 | static struct c2c_dimension dim_iaddr = { |
404 | .header = HEADER_LOW("Code address"), | |
405 | .name = "iaddr", | |
406 | .cmp = iaddr_cmp, | |
407 | .entry = iaddr_entry, | |
408 | .width = 18, | |
409 | }; | |
410 | ||
c75540e3 | 411 | static struct c2c_dimension *dimensions[] = { |
cbb88500 | 412 | &dim_dcacheline, |
48acdebd | 413 | &dim_offset, |
43575a95 | 414 | &dim_iaddr, |
c75540e3 JO |
415 | NULL, |
416 | }; | |
417 | ||
418 | static void fmt_free(struct perf_hpp_fmt *fmt) | |
419 | { | |
420 | struct c2c_fmt *c2c_fmt; | |
421 | ||
422 | c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); | |
423 | free(c2c_fmt); | |
424 | } | |
425 | ||
426 | static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b) | |
427 | { | |
428 | struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt); | |
429 | struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt); | |
430 | ||
431 | return c2c_a->dim == c2c_b->dim; | |
432 | } | |
433 | ||
434 | static struct c2c_dimension *get_dimension(const char *name) | |
435 | { | |
436 | unsigned int i; | |
437 | ||
438 | for (i = 0; dimensions[i]; i++) { | |
439 | struct c2c_dimension *dim = dimensions[i]; | |
440 | ||
441 | if (!strcmp(dim->name, name)) | |
442 | return dim; | |
443 | }; | |
444 | ||
445 | return NULL; | |
446 | } | |
447 | ||
8d3f938d JO |
448 | static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
449 | struct hist_entry *he) | |
450 | { | |
451 | struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); | |
452 | struct c2c_dimension *dim = c2c_fmt->dim; | |
453 | size_t len = fmt->user_len; | |
454 | ||
455 | if (!len) | |
456 | len = hists__col_len(he->hists, dim->se->se_width_idx); | |
457 | ||
458 | return dim->se->se_snprintf(he, hpp->buf, hpp->size, len); | |
459 | } | |
460 | ||
461 | static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt, | |
462 | struct hist_entry *a, struct hist_entry *b) | |
463 | { | |
464 | struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); | |
465 | struct c2c_dimension *dim = c2c_fmt->dim; | |
466 | ||
467 | return dim->se->se_cmp(a, b); | |
468 | } | |
469 | ||
470 | static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt, | |
471 | struct hist_entry *a, struct hist_entry *b) | |
472 | { | |
473 | struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt); | |
474 | struct c2c_dimension *dim = c2c_fmt->dim; | |
475 | int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *); | |
476 | ||
477 | collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp; | |
478 | return collapse_fn(a, b); | |
479 | } | |
480 | ||
c75540e3 JO |
481 | static struct c2c_fmt *get_format(const char *name) |
482 | { | |
483 | struct c2c_dimension *dim = get_dimension(name); | |
484 | struct c2c_fmt *c2c_fmt; | |
485 | struct perf_hpp_fmt *fmt; | |
486 | ||
487 | if (!dim) | |
488 | return NULL; | |
489 | ||
490 | c2c_fmt = zalloc(sizeof(*c2c_fmt)); | |
491 | if (!c2c_fmt) | |
492 | return NULL; | |
493 | ||
494 | c2c_fmt->dim = dim; | |
495 | ||
496 | fmt = &c2c_fmt->fmt; | |
497 | INIT_LIST_HEAD(&fmt->list); | |
498 | INIT_LIST_HEAD(&fmt->sort_list); | |
499 | ||
8d3f938d JO |
500 | fmt->cmp = dim->se ? c2c_se_cmp : dim->cmp; |
501 | fmt->sort = dim->se ? c2c_se_cmp : dim->cmp; | |
502 | fmt->entry = dim->se ? c2c_se_entry : dim->entry; | |
c75540e3 JO |
503 | fmt->header = c2c_header; |
504 | fmt->width = c2c_width; | |
8d3f938d | 505 | fmt->collapse = dim->se ? c2c_se_collapse : dim->cmp; |
c75540e3 JO |
506 | fmt->equal = fmt_equal; |
507 | fmt->free = fmt_free; | |
508 | ||
509 | return c2c_fmt; | |
510 | } | |
511 | ||
512 | static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name) | |
513 | { | |
514 | struct c2c_fmt *c2c_fmt = get_format(name); | |
515 | ||
5f2eca83 JO |
516 | if (!c2c_fmt) { |
517 | reset_dimensions(); | |
518 | return output_field_add(hpp_list, name); | |
519 | } | |
c75540e3 JO |
520 | |
521 | perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt); | |
522 | return 0; | |
523 | } | |
524 | ||
525 | static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name) | |
526 | { | |
527 | struct c2c_fmt *c2c_fmt = get_format(name); | |
528 | ||
5f2eca83 JO |
529 | if (!c2c_fmt) { |
530 | reset_dimensions(); | |
531 | return sort_dimension__add(hpp_list, name, NULL, 0); | |
532 | } | |
c75540e3 JO |
533 | |
534 | perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt); | |
535 | return 0; | |
536 | } | |
537 | ||
538 | #define PARSE_LIST(_list, _fn) \ | |
539 | do { \ | |
540 | char *tmp, *tok; \ | |
541 | ret = 0; \ | |
542 | \ | |
543 | if (!_list) \ | |
544 | break; \ | |
545 | \ | |
546 | for (tok = strtok_r((char *)_list, ", ", &tmp); \ | |
547 | tok; tok = strtok_r(NULL, ", ", &tmp)) { \ | |
548 | ret = _fn(hpp_list, tok); \ | |
549 | if (ret == -EINVAL) { \ | |
550 | error("Invalid --fields key: `%s'", tok); \ | |
551 | break; \ | |
552 | } else if (ret == -ESRCH) { \ | |
553 | error("Unknown --fields key: `%s'", tok); \ | |
554 | break; \ | |
555 | } \ | |
556 | } \ | |
557 | } while (0) | |
558 | ||
559 | static int hpp_list__parse(struct perf_hpp_list *hpp_list, | |
560 | const char *output_, | |
561 | const char *sort_) | |
562 | { | |
563 | char *output = output_ ? strdup(output_) : NULL; | |
564 | char *sort = sort_ ? strdup(sort_) : NULL; | |
565 | int ret; | |
566 | ||
567 | PARSE_LIST(output, c2c_hists__init_output); | |
568 | PARSE_LIST(sort, c2c_hists__init_sort); | |
569 | ||
570 | /* copy sort keys to output fields */ | |
571 | perf_hpp__setup_output_field(hpp_list); | |
572 | ||
573 | /* | |
574 | * We dont need other sorting keys other than those | |
575 | * we already specified. It also really slows down | |
576 | * the processing a lot with big number of output | |
577 | * fields, so switching this off for c2c. | |
578 | */ | |
579 | ||
580 | #if 0 | |
581 | /* and then copy output fields to sort keys */ | |
582 | perf_hpp__append_sort_keys(&hists->list); | |
583 | #endif | |
584 | ||
585 | free(output); | |
586 | free(sort); | |
587 | return ret; | |
588 | } | |
589 | ||
590 | static int c2c_hists__init(struct c2c_hists *hists, | |
591 | const char *sort) | |
592 | { | |
593 | __hists__init(&hists->hists, &hists->list); | |
594 | ||
595 | /* | |
596 | * Initialize only with sort fields, we need to resort | |
597 | * later anyway, and that's where we add output fields | |
598 | * as well. | |
599 | */ | |
600 | perf_hpp_list__init(&hists->list); | |
601 | ||
602 | return hpp_list__parse(&hists->list, NULL, sort); | |
603 | } | |
604 | ||
605 | __maybe_unused | |
606 | static int c2c_hists__reinit(struct c2c_hists *c2c_hists, | |
607 | const char *output, | |
608 | const char *sort) | |
609 | { | |
610 | perf_hpp__reset_output_field(&c2c_hists->list); | |
611 | return hpp_list__parse(&c2c_hists->list, output, sort); | |
612 | } | |
613 | ||
ec06f9b9 JO |
614 | static int filter_cb(struct hist_entry *he __maybe_unused) |
615 | { | |
616 | return 0; | |
617 | } | |
618 | ||
619 | static int resort_cl_cb(struct hist_entry *he) | |
620 | { | |
621 | struct c2c_hist_entry *c2c_he; | |
622 | struct c2c_hists *c2c_hists; | |
623 | ||
624 | c2c_he = container_of(he, struct c2c_hist_entry, he); | |
625 | c2c_hists = c2c_he->hists; | |
626 | ||
627 | if (c2c_hists) { | |
628 | hists__collapse_resort(&c2c_hists->hists, NULL); | |
629 | hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb); | |
630 | } | |
631 | ||
632 | return 0; | |
633 | } | |
634 | ||
903a6f15 JO |
635 | static int perf_c2c__report(int argc, const char **argv) |
636 | { | |
637 | struct perf_session *session; | |
78b27543 | 638 | struct ui_progress prog; |
903a6f15 JO |
639 | struct perf_data_file file = { |
640 | .mode = PERF_DATA_MODE_READ, | |
641 | }; | |
642 | const struct option c2c_options[] = { | |
643 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, | |
644 | "file", "vmlinux pathname"), | |
645 | OPT_INCR('v', "verbose", &verbose, | |
646 | "be more verbose (show counter open errors, etc)"), | |
647 | OPT_STRING('i', "input", &input_name, "file", | |
648 | "the input file to process"), | |
649 | OPT_END() | |
650 | }; | |
651 | int err = 0; | |
652 | ||
653 | argc = parse_options(argc, argv, c2c_options, report_c2c_usage, | |
654 | PARSE_OPT_STOP_AT_NON_OPTION); | |
78b27543 | 655 | if (argc) |
903a6f15 JO |
656 | usage_with_options(report_c2c_usage, c2c_options); |
657 | ||
78b27543 JO |
658 | if (!input_name || !strlen(input_name)) |
659 | input_name = "perf.data"; | |
660 | ||
903a6f15 JO |
661 | file.path = input_name; |
662 | ||
c75540e3 JO |
663 | err = c2c_hists__init(&c2c.hists, "dcacheline"); |
664 | if (err) { | |
665 | pr_debug("Failed to initialize hists\n"); | |
666 | goto out; | |
667 | } | |
668 | ||
903a6f15 JO |
669 | session = perf_session__new(&file, 0, &c2c.tool); |
670 | if (session == NULL) { | |
671 | pr_debug("No memory for session\n"); | |
672 | goto out; | |
673 | } | |
674 | ||
675 | if (symbol__init(&session->header.env) < 0) | |
676 | goto out_session; | |
677 | ||
678 | /* No pipe support at the moment. */ | |
679 | if (perf_data_file__is_pipe(session->file)) { | |
680 | pr_debug("No pipe support at the moment.\n"); | |
681 | goto out_session; | |
682 | } | |
683 | ||
78b27543 JO |
684 | err = perf_session__process_events(session); |
685 | if (err) { | |
686 | pr_err("failed to process sample\n"); | |
687 | goto out_session; | |
688 | } | |
689 | ||
690 | ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting..."); | |
691 | ||
692 | hists__collapse_resort(&c2c.hists.hists, NULL); | |
ec06f9b9 | 693 | hists__output_resort_cb(&c2c.hists.hists, &prog, resort_cl_cb); |
78b27543 JO |
694 | |
695 | ui_progress__finish(); | |
696 | ||
903a6f15 JO |
697 | out_session: |
698 | perf_session__delete(session); | |
699 | out: | |
700 | return err; | |
701 | } | |
702 | ||
39bcd4a4 JO |
703 | static int parse_record_events(const struct option *opt __maybe_unused, |
704 | const char *str, int unset __maybe_unused) | |
705 | { | |
706 | bool *event_set = (bool *) opt->value; | |
707 | ||
708 | *event_set = true; | |
709 | return perf_mem_events__parse(str); | |
710 | } | |
711 | ||
712 | ||
713 | static const char * const __usage_record[] = { | |
714 | "perf c2c record [<options>] [<command>]", | |
715 | "perf c2c record [<options>] -- <command> [<options>]", | |
716 | NULL | |
717 | }; | |
718 | ||
719 | static const char * const *record_mem_usage = __usage_record; | |
720 | ||
721 | static int perf_c2c__record(int argc, const char **argv) | |
722 | { | |
723 | int rec_argc, i = 0, j; | |
724 | const char **rec_argv; | |
725 | int ret; | |
726 | bool all_user = false, all_kernel = false; | |
727 | bool event_set = false; | |
728 | struct option options[] = { | |
729 | OPT_CALLBACK('e', "event", &event_set, "event", | |
730 | "event selector. Use 'perf mem record -e list' to list available events", | |
731 | parse_record_events), | |
732 | OPT_INCR('v', "verbose", &verbose, | |
733 | "be more verbose (show counter open errors, etc)"), | |
734 | OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"), | |
735 | OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"), | |
736 | OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"), | |
737 | OPT_END() | |
738 | }; | |
739 | ||
740 | if (perf_mem_events__init()) { | |
741 | pr_err("failed: memory events not supported\n"); | |
742 | return -1; | |
743 | } | |
744 | ||
745 | argc = parse_options(argc, argv, options, record_mem_usage, | |
746 | PARSE_OPT_KEEP_UNKNOWN); | |
747 | ||
748 | rec_argc = argc + 10; /* max number of arguments */ | |
749 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); | |
750 | if (!rec_argv) | |
751 | return -1; | |
752 | ||
753 | rec_argv[i++] = "record"; | |
754 | ||
755 | if (!event_set) { | |
756 | perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true; | |
757 | perf_mem_events[PERF_MEM_EVENTS__STORE].record = true; | |
758 | } | |
759 | ||
760 | if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record) | |
761 | rec_argv[i++] = "-W"; | |
762 | ||
763 | rec_argv[i++] = "-d"; | |
764 | rec_argv[i++] = "--sample-cpu"; | |
765 | ||
766 | for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) { | |
767 | if (!perf_mem_events[j].record) | |
768 | continue; | |
769 | ||
770 | if (!perf_mem_events[j].supported) { | |
771 | pr_err("failed: event '%s' not supported\n", | |
772 | perf_mem_events[j].name); | |
773 | return -1; | |
774 | } | |
775 | ||
776 | rec_argv[i++] = "-e"; | |
777 | rec_argv[i++] = perf_mem_events__name(j); | |
778 | }; | |
779 | ||
780 | if (all_user) | |
781 | rec_argv[i++] = "--all-user"; | |
782 | ||
783 | if (all_kernel) | |
784 | rec_argv[i++] = "--all-kernel"; | |
785 | ||
786 | for (j = 0; j < argc; j++, i++) | |
787 | rec_argv[i] = argv[j]; | |
788 | ||
789 | if (verbose > 0) { | |
790 | pr_debug("calling: "); | |
791 | ||
792 | j = 0; | |
793 | ||
794 | while (rec_argv[j]) { | |
795 | pr_debug("%s ", rec_argv[j]); | |
796 | j++; | |
797 | } | |
798 | pr_debug("\n"); | |
799 | } | |
800 | ||
801 | ret = cmd_record(i, rec_argv, NULL); | |
802 | free(rec_argv); | |
803 | return ret; | |
804 | } | |
805 | ||
7aef3bf3 JO |
806 | int cmd_c2c(int argc, const char **argv, const char *prefix __maybe_unused) |
807 | { | |
808 | const struct option c2c_options[] = { | |
809 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), | |
810 | OPT_END() | |
811 | }; | |
812 | ||
813 | argc = parse_options(argc, argv, c2c_options, c2c_usage, | |
814 | PARSE_OPT_STOP_AT_NON_OPTION); | |
39bcd4a4 JO |
815 | |
816 | if (!argc) | |
817 | usage_with_options(c2c_usage, c2c_options); | |
818 | ||
819 | if (!strncmp(argv[0], "rec", 3)) { | |
820 | return perf_c2c__record(argc, argv); | |
903a6f15 JO |
821 | } else if (!strncmp(argv[0], "rep", 3)) { |
822 | return perf_c2c__report(argc, argv); | |
39bcd4a4 JO |
823 | } else { |
824 | usage_with_options(c2c_usage, c2c_options); | |
825 | } | |
826 | ||
7aef3bf3 JO |
827 | return 0; |
828 | } |