Commit | Line | Data |
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edbe9817 JO |
1 | /* |
2 | * CTF writing support via babeltrace. | |
3 | * | |
4 | * Copyright (C) 2014, Jiri Olsa <jolsa@redhat.com> | |
5 | * Copyright (C) 2014, Sebastian Andrzej Siewior <bigeasy@linutronix.de> | |
6 | * | |
7 | * Released under the GPL v2. (and only v2, not any later version) | |
8 | */ | |
9 | ||
10 | #include <linux/compiler.h> | |
11 | #include <babeltrace/ctf-writer/writer.h> | |
12 | #include <babeltrace/ctf-writer/clock.h> | |
13 | #include <babeltrace/ctf-writer/stream.h> | |
14 | #include <babeltrace/ctf-writer/event.h> | |
15 | #include <babeltrace/ctf-writer/event-types.h> | |
16 | #include <babeltrace/ctf-writer/event-fields.h> | |
e0a7cce5 | 17 | #include <babeltrace/ctf-ir/utils.h> |
edbe9817 JO |
18 | #include <babeltrace/ctf/events.h> |
19 | #include <traceevent/event-parse.h> | |
20 | #include "asm/bug.h" | |
21 | #include "data-convert-bt.h" | |
22 | #include "session.h" | |
23 | #include "util.h" | |
24 | #include "debug.h" | |
25 | #include "tool.h" | |
26 | #include "evlist.h" | |
27 | #include "evsel.h" | |
28 | #include "machine.h" | |
f6c12a00 | 29 | #include "config.h" |
edbe9817 JO |
30 | |
31 | #define pr_N(n, fmt, ...) \ | |
32 | eprintf(n, debug_data_convert, fmt, ##__VA_ARGS__) | |
33 | ||
34 | #define pr(fmt, ...) pr_N(1, pr_fmt(fmt), ##__VA_ARGS__) | |
35 | #define pr2(fmt, ...) pr_N(2, pr_fmt(fmt), ##__VA_ARGS__) | |
36 | ||
37 | #define pr_time2(t, fmt, ...) pr_time_N(2, debug_data_convert, t, pr_fmt(fmt), ##__VA_ARGS__) | |
38 | ||
39 | struct evsel_priv { | |
40 | struct bt_ctf_event_class *event_class; | |
41 | }; | |
42 | ||
90e129ff SAS |
43 | #define MAX_CPUS 4096 |
44 | ||
45 | struct ctf_stream { | |
46 | struct bt_ctf_stream *stream; | |
47 | int cpu; | |
89e5fa88 | 48 | u32 count; |
90e129ff SAS |
49 | }; |
50 | ||
edbe9817 JO |
51 | struct ctf_writer { |
52 | /* writer primitives */ | |
90e129ff SAS |
53 | struct bt_ctf_writer *writer; |
54 | struct ctf_stream **stream; | |
55 | int stream_cnt; | |
56 | struct bt_ctf_stream_class *stream_class; | |
57 | struct bt_ctf_clock *clock; | |
edbe9817 JO |
58 | |
59 | /* data types */ | |
60 | union { | |
61 | struct { | |
62 | struct bt_ctf_field_type *s64; | |
63 | struct bt_ctf_field_type *u64; | |
64 | struct bt_ctf_field_type *s32; | |
65 | struct bt_ctf_field_type *u32; | |
66 | struct bt_ctf_field_type *string; | |
26812d46 | 67 | struct bt_ctf_field_type *u32_hex; |
edbe9817 JO |
68 | struct bt_ctf_field_type *u64_hex; |
69 | }; | |
70 | struct bt_ctf_field_type *array[6]; | |
71 | } data; | |
72 | }; | |
73 | ||
74 | struct convert { | |
75 | struct perf_tool tool; | |
76 | struct ctf_writer writer; | |
77 | ||
78 | u64 events_size; | |
79 | u64 events_count; | |
8fa46753 JO |
80 | |
81 | /* Ordered events configured queue size. */ | |
82 | u64 queue_size; | |
edbe9817 JO |
83 | }; |
84 | ||
85 | static int value_set(struct bt_ctf_field_type *type, | |
86 | struct bt_ctf_event *event, | |
87 | const char *name, u64 val) | |
88 | { | |
89 | struct bt_ctf_field *field; | |
90 | bool sign = bt_ctf_field_type_integer_get_signed(type); | |
91 | int ret; | |
92 | ||
93 | field = bt_ctf_field_create(type); | |
94 | if (!field) { | |
95 | pr_err("failed to create a field %s\n", name); | |
96 | return -1; | |
97 | } | |
98 | ||
99 | if (sign) { | |
100 | ret = bt_ctf_field_signed_integer_set_value(field, val); | |
101 | if (ret) { | |
102 | pr_err("failed to set field value %s\n", name); | |
103 | goto err; | |
104 | } | |
105 | } else { | |
106 | ret = bt_ctf_field_unsigned_integer_set_value(field, val); | |
107 | if (ret) { | |
108 | pr_err("failed to set field value %s\n", name); | |
109 | goto err; | |
110 | } | |
111 | } | |
112 | ||
113 | ret = bt_ctf_event_set_payload(event, name, field); | |
114 | if (ret) { | |
115 | pr_err("failed to set payload %s\n", name); | |
116 | goto err; | |
117 | } | |
118 | ||
119 | pr2(" SET [%s = %" PRIu64 "]\n", name, val); | |
120 | ||
121 | err: | |
122 | bt_ctf_field_put(field); | |
123 | return ret; | |
124 | } | |
125 | ||
126 | #define __FUNC_VALUE_SET(_name, _val_type) \ | |
127 | static __maybe_unused int value_set_##_name(struct ctf_writer *cw, \ | |
128 | struct bt_ctf_event *event, \ | |
129 | const char *name, \ | |
130 | _val_type val) \ | |
131 | { \ | |
132 | struct bt_ctf_field_type *type = cw->data._name; \ | |
133 | return value_set(type, event, name, (u64) val); \ | |
134 | } | |
135 | ||
136 | #define FUNC_VALUE_SET(_name) __FUNC_VALUE_SET(_name, _name) | |
137 | ||
138 | FUNC_VALUE_SET(s32) | |
139 | FUNC_VALUE_SET(u32) | |
140 | FUNC_VALUE_SET(s64) | |
141 | FUNC_VALUE_SET(u64) | |
142 | __FUNC_VALUE_SET(u64_hex, u64) | |
143 | ||
069ee5c4 WN |
144 | static int string_set_value(struct bt_ctf_field *field, const char *string); |
145 | static __maybe_unused int | |
146 | value_set_string(struct ctf_writer *cw, struct bt_ctf_event *event, | |
147 | const char *name, const char *string) | |
148 | { | |
149 | struct bt_ctf_field_type *type = cw->data.string; | |
150 | struct bt_ctf_field *field; | |
151 | int ret = 0; | |
152 | ||
153 | field = bt_ctf_field_create(type); | |
154 | if (!field) { | |
155 | pr_err("failed to create a field %s\n", name); | |
156 | return -1; | |
157 | } | |
158 | ||
159 | ret = string_set_value(field, string); | |
160 | if (ret) { | |
161 | pr_err("failed to set value %s\n", name); | |
162 | goto err_put_field; | |
163 | } | |
164 | ||
165 | ret = bt_ctf_event_set_payload(event, name, field); | |
166 | if (ret) | |
167 | pr_err("failed to set payload %s\n", name); | |
168 | ||
169 | err_put_field: | |
170 | bt_ctf_field_put(field); | |
171 | return ret; | |
172 | } | |
173 | ||
69364727 SAS |
174 | static struct bt_ctf_field_type* |
175 | get_tracepoint_field_type(struct ctf_writer *cw, struct format_field *field) | |
176 | { | |
177 | unsigned long flags = field->flags; | |
178 | ||
179 | if (flags & FIELD_IS_STRING) | |
180 | return cw->data.string; | |
181 | ||
182 | if (!(flags & FIELD_IS_SIGNED)) { | |
183 | /* unsigned long are mostly pointers */ | |
184 | if (flags & FIELD_IS_LONG || flags & FIELD_IS_POINTER) | |
185 | return cw->data.u64_hex; | |
186 | } | |
187 | ||
188 | if (flags & FIELD_IS_SIGNED) { | |
189 | if (field->size == 8) | |
190 | return cw->data.s64; | |
191 | else | |
192 | return cw->data.s32; | |
193 | } | |
194 | ||
195 | if (field->size == 8) | |
196 | return cw->data.u64; | |
197 | else | |
198 | return cw->data.u32; | |
199 | } | |
200 | ||
d4ae4213 WN |
201 | static unsigned long long adjust_signedness(unsigned long long value_int, int size) |
202 | { | |
203 | unsigned long long value_mask; | |
204 | ||
205 | /* | |
206 | * value_mask = (1 << (size * 8 - 1)) - 1. | |
207 | * Directly set value_mask for code readers. | |
208 | */ | |
209 | switch (size) { | |
210 | case 1: | |
211 | value_mask = 0x7fULL; | |
212 | break; | |
213 | case 2: | |
214 | value_mask = 0x7fffULL; | |
215 | break; | |
216 | case 4: | |
217 | value_mask = 0x7fffffffULL; | |
218 | break; | |
219 | case 8: | |
220 | /* | |
221 | * For 64 bit value, return it self. There is no need | |
222 | * to fill high bit. | |
223 | */ | |
224 | /* Fall through */ | |
225 | default: | |
226 | /* BUG! */ | |
227 | return value_int; | |
228 | } | |
229 | ||
230 | /* If it is a positive value, don't adjust. */ | |
231 | if ((value_int & (~0ULL - value_mask)) == 0) | |
232 | return value_int; | |
233 | ||
234 | /* Fill upper part of value_int with 1 to make it a negative long long. */ | |
235 | return (value_int & value_mask) | ~value_mask; | |
236 | } | |
237 | ||
5ea5888b WN |
238 | static int string_set_value(struct bt_ctf_field *field, const char *string) |
239 | { | |
240 | char *buffer = NULL; | |
241 | size_t len = strlen(string), i, p; | |
242 | int err; | |
243 | ||
244 | for (i = p = 0; i < len; i++, p++) { | |
245 | if (isprint(string[i])) { | |
246 | if (!buffer) | |
247 | continue; | |
248 | buffer[p] = string[i]; | |
249 | } else { | |
250 | char numstr[5]; | |
251 | ||
252 | snprintf(numstr, sizeof(numstr), "\\x%02x", | |
253 | (unsigned int)(string[i]) & 0xff); | |
254 | ||
255 | if (!buffer) { | |
256 | buffer = zalloc(i + (len - i) * 4 + 2); | |
257 | if (!buffer) { | |
258 | pr_err("failed to set unprintable string '%s'\n", string); | |
259 | return bt_ctf_field_string_set_value(field, "UNPRINTABLE-STRING"); | |
260 | } | |
261 | if (i > 0) | |
262 | strncpy(buffer, string, i); | |
263 | } | |
264 | strncat(buffer + p, numstr, 4); | |
265 | p += 3; | |
266 | } | |
267 | } | |
268 | ||
269 | if (!buffer) | |
270 | return bt_ctf_field_string_set_value(field, string); | |
271 | err = bt_ctf_field_string_set_value(field, buffer); | |
272 | free(buffer); | |
273 | return err; | |
274 | } | |
275 | ||
69364727 SAS |
276 | static int add_tracepoint_field_value(struct ctf_writer *cw, |
277 | struct bt_ctf_event_class *event_class, | |
278 | struct bt_ctf_event *event, | |
279 | struct perf_sample *sample, | |
280 | struct format_field *fmtf) | |
281 | { | |
282 | struct bt_ctf_field_type *type; | |
283 | struct bt_ctf_field *array_field; | |
284 | struct bt_ctf_field *field; | |
285 | const char *name = fmtf->name; | |
286 | void *data = sample->raw_data; | |
69364727 SAS |
287 | unsigned long flags = fmtf->flags; |
288 | unsigned int n_items; | |
289 | unsigned int i; | |
290 | unsigned int offset; | |
291 | unsigned int len; | |
292 | int ret; | |
293 | ||
e0a7cce5 | 294 | name = fmtf->alias; |
69364727 SAS |
295 | offset = fmtf->offset; |
296 | len = fmtf->size; | |
297 | if (flags & FIELD_IS_STRING) | |
298 | flags &= ~FIELD_IS_ARRAY; | |
299 | ||
300 | if (flags & FIELD_IS_DYNAMIC) { | |
301 | unsigned long long tmp_val; | |
302 | ||
303 | tmp_val = pevent_read_number(fmtf->event->pevent, | |
304 | data + offset, len); | |
305 | offset = tmp_val; | |
306 | len = offset >> 16; | |
307 | offset &= 0xffff; | |
308 | } | |
309 | ||
310 | if (flags & FIELD_IS_ARRAY) { | |
311 | ||
312 | type = bt_ctf_event_class_get_field_by_name( | |
313 | event_class, name); | |
314 | array_field = bt_ctf_field_create(type); | |
315 | bt_ctf_field_type_put(type); | |
316 | if (!array_field) { | |
317 | pr_err("Failed to create array type %s\n", name); | |
318 | return -1; | |
319 | } | |
320 | ||
321 | len = fmtf->size / fmtf->arraylen; | |
322 | n_items = fmtf->arraylen; | |
323 | } else { | |
324 | n_items = 1; | |
325 | array_field = NULL; | |
326 | } | |
327 | ||
328 | type = get_tracepoint_field_type(cw, fmtf); | |
329 | ||
330 | for (i = 0; i < n_items; i++) { | |
69364727 SAS |
331 | if (flags & FIELD_IS_ARRAY) |
332 | field = bt_ctf_field_array_get_field(array_field, i); | |
333 | else | |
334 | field = bt_ctf_field_create(type); | |
335 | ||
336 | if (!field) { | |
337 | pr_err("failed to create a field %s\n", name); | |
338 | return -1; | |
339 | } | |
340 | ||
341 | if (flags & FIELD_IS_STRING) | |
5ea5888b | 342 | ret = string_set_value(field, data + offset + i * len); |
d4ae4213 WN |
343 | else { |
344 | unsigned long long value_int; | |
345 | ||
346 | value_int = pevent_read_number( | |
347 | fmtf->event->pevent, | |
348 | data + offset + i * len, len); | |
349 | ||
350 | if (!(flags & FIELD_IS_SIGNED)) | |
351 | ret = bt_ctf_field_unsigned_integer_set_value( | |
352 | field, value_int); | |
353 | else | |
354 | ret = bt_ctf_field_signed_integer_set_value( | |
355 | field, adjust_signedness(value_int, len)); | |
356 | } | |
357 | ||
69364727 SAS |
358 | if (ret) { |
359 | pr_err("failed to set file value %s\n", name); | |
360 | goto err_put_field; | |
361 | } | |
362 | if (!(flags & FIELD_IS_ARRAY)) { | |
363 | ret = bt_ctf_event_set_payload(event, name, field); | |
364 | if (ret) { | |
365 | pr_err("failed to set payload %s\n", name); | |
366 | goto err_put_field; | |
367 | } | |
368 | } | |
369 | bt_ctf_field_put(field); | |
370 | } | |
371 | if (flags & FIELD_IS_ARRAY) { | |
372 | ret = bt_ctf_event_set_payload(event, name, array_field); | |
373 | if (ret) { | |
374 | pr_err("Failed add payload array %s\n", name); | |
375 | return -1; | |
376 | } | |
377 | bt_ctf_field_put(array_field); | |
378 | } | |
379 | return 0; | |
380 | ||
381 | err_put_field: | |
382 | bt_ctf_field_put(field); | |
383 | return -1; | |
384 | } | |
385 | ||
386 | static int add_tracepoint_fields_values(struct ctf_writer *cw, | |
387 | struct bt_ctf_event_class *event_class, | |
388 | struct bt_ctf_event *event, | |
389 | struct format_field *fields, | |
390 | struct perf_sample *sample) | |
391 | { | |
392 | struct format_field *field; | |
393 | int ret; | |
394 | ||
395 | for (field = fields; field; field = field->next) { | |
396 | ret = add_tracepoint_field_value(cw, event_class, event, sample, | |
397 | field); | |
398 | if (ret) | |
399 | return -1; | |
400 | } | |
401 | return 0; | |
402 | } | |
403 | ||
404 | static int add_tracepoint_values(struct ctf_writer *cw, | |
405 | struct bt_ctf_event_class *event_class, | |
406 | struct bt_ctf_event *event, | |
407 | struct perf_evsel *evsel, | |
408 | struct perf_sample *sample) | |
409 | { | |
410 | struct format_field *common_fields = evsel->tp_format->format.common_fields; | |
411 | struct format_field *fields = evsel->tp_format->format.fields; | |
412 | int ret; | |
413 | ||
414 | ret = add_tracepoint_fields_values(cw, event_class, event, | |
415 | common_fields, sample); | |
416 | if (!ret) | |
417 | ret = add_tracepoint_fields_values(cw, event_class, event, | |
418 | fields, sample); | |
419 | ||
420 | return ret; | |
421 | } | |
422 | ||
6122d57e WN |
423 | static int |
424 | add_bpf_output_values(struct bt_ctf_event_class *event_class, | |
425 | struct bt_ctf_event *event, | |
426 | struct perf_sample *sample) | |
427 | { | |
428 | struct bt_ctf_field_type *len_type, *seq_type; | |
429 | struct bt_ctf_field *len_field, *seq_field; | |
430 | unsigned int raw_size = sample->raw_size; | |
431 | unsigned int nr_elements = raw_size / sizeof(u32); | |
432 | unsigned int i; | |
433 | int ret; | |
434 | ||
435 | if (nr_elements * sizeof(u32) != raw_size) | |
436 | pr_warning("Incorrect raw_size (%u) in bpf output event, skip %lu bytes\n", | |
437 | raw_size, nr_elements * sizeof(u32) - raw_size); | |
438 | ||
439 | len_type = bt_ctf_event_class_get_field_by_name(event_class, "raw_len"); | |
440 | len_field = bt_ctf_field_create(len_type); | |
441 | if (!len_field) { | |
442 | pr_err("failed to create 'raw_len' for bpf output event\n"); | |
443 | ret = -1; | |
444 | goto put_len_type; | |
445 | } | |
446 | ||
447 | ret = bt_ctf_field_unsigned_integer_set_value(len_field, nr_elements); | |
448 | if (ret) { | |
449 | pr_err("failed to set field value for raw_len\n"); | |
450 | goto put_len_field; | |
451 | } | |
452 | ret = bt_ctf_event_set_payload(event, "raw_len", len_field); | |
453 | if (ret) { | |
454 | pr_err("failed to set payload to raw_len\n"); | |
455 | goto put_len_field; | |
456 | } | |
457 | ||
458 | seq_type = bt_ctf_event_class_get_field_by_name(event_class, "raw_data"); | |
459 | seq_field = bt_ctf_field_create(seq_type); | |
460 | if (!seq_field) { | |
461 | pr_err("failed to create 'raw_data' for bpf output event\n"); | |
462 | ret = -1; | |
463 | goto put_seq_type; | |
464 | } | |
465 | ||
466 | ret = bt_ctf_field_sequence_set_length(seq_field, len_field); | |
467 | if (ret) { | |
468 | pr_err("failed to set length of 'raw_data'\n"); | |
469 | goto put_seq_field; | |
470 | } | |
471 | ||
472 | for (i = 0; i < nr_elements; i++) { | |
473 | struct bt_ctf_field *elem_field = | |
474 | bt_ctf_field_sequence_get_field(seq_field, i); | |
475 | ||
476 | ret = bt_ctf_field_unsigned_integer_set_value(elem_field, | |
477 | ((u32 *)(sample->raw_data))[i]); | |
478 | ||
479 | bt_ctf_field_put(elem_field); | |
480 | if (ret) { | |
481 | pr_err("failed to set raw_data[%d]\n", i); | |
482 | goto put_seq_field; | |
483 | } | |
484 | } | |
485 | ||
486 | ret = bt_ctf_event_set_payload(event, "raw_data", seq_field); | |
487 | if (ret) | |
488 | pr_err("failed to set payload for raw_data\n"); | |
489 | ||
490 | put_seq_field: | |
491 | bt_ctf_field_put(seq_field); | |
492 | put_seq_type: | |
493 | bt_ctf_field_type_put(seq_type); | |
494 | put_len_field: | |
495 | bt_ctf_field_put(len_field); | |
496 | put_len_type: | |
497 | bt_ctf_field_type_put(len_type); | |
498 | return ret; | |
499 | } | |
500 | ||
edbe9817 JO |
501 | static int add_generic_values(struct ctf_writer *cw, |
502 | struct bt_ctf_event *event, | |
503 | struct perf_evsel *evsel, | |
504 | struct perf_sample *sample) | |
505 | { | |
506 | u64 type = evsel->attr.sample_type; | |
507 | int ret; | |
508 | ||
509 | /* | |
510 | * missing: | |
511 | * PERF_SAMPLE_TIME - not needed as we have it in | |
512 | * ctf event header | |
513 | * PERF_SAMPLE_READ - TODO | |
514 | * PERF_SAMPLE_CALLCHAIN - TODO | |
515 | * PERF_SAMPLE_RAW - tracepoint fields are handled separately | |
516 | * PERF_SAMPLE_BRANCH_STACK - TODO | |
517 | * PERF_SAMPLE_REGS_USER - TODO | |
518 | * PERF_SAMPLE_STACK_USER - TODO | |
519 | */ | |
520 | ||
521 | if (type & PERF_SAMPLE_IP) { | |
54cf776a | 522 | ret = value_set_u64_hex(cw, event, "perf_ip", sample->ip); |
edbe9817 JO |
523 | if (ret) |
524 | return -1; | |
525 | } | |
526 | ||
527 | if (type & PERF_SAMPLE_TID) { | |
54cf776a | 528 | ret = value_set_s32(cw, event, "perf_tid", sample->tid); |
edbe9817 JO |
529 | if (ret) |
530 | return -1; | |
531 | ||
54cf776a | 532 | ret = value_set_s32(cw, event, "perf_pid", sample->pid); |
edbe9817 JO |
533 | if (ret) |
534 | return -1; | |
535 | } | |
536 | ||
537 | if ((type & PERF_SAMPLE_ID) || | |
538 | (type & PERF_SAMPLE_IDENTIFIER)) { | |
54cf776a | 539 | ret = value_set_u64(cw, event, "perf_id", sample->id); |
edbe9817 JO |
540 | if (ret) |
541 | return -1; | |
542 | } | |
543 | ||
544 | if (type & PERF_SAMPLE_STREAM_ID) { | |
54cf776a | 545 | ret = value_set_u64(cw, event, "perf_stream_id", sample->stream_id); |
edbe9817 JO |
546 | if (ret) |
547 | return -1; | |
548 | } | |
549 | ||
edbe9817 | 550 | if (type & PERF_SAMPLE_PERIOD) { |
54cf776a | 551 | ret = value_set_u64(cw, event, "perf_period", sample->period); |
edbe9817 JO |
552 | if (ret) |
553 | return -1; | |
554 | } | |
555 | ||
556 | if (type & PERF_SAMPLE_WEIGHT) { | |
54cf776a | 557 | ret = value_set_u64(cw, event, "perf_weight", sample->weight); |
edbe9817 JO |
558 | if (ret) |
559 | return -1; | |
560 | } | |
561 | ||
562 | if (type & PERF_SAMPLE_DATA_SRC) { | |
54cf776a SAS |
563 | ret = value_set_u64(cw, event, "perf_data_src", |
564 | sample->data_src); | |
edbe9817 JO |
565 | if (ret) |
566 | return -1; | |
567 | } | |
568 | ||
569 | if (type & PERF_SAMPLE_TRANSACTION) { | |
54cf776a SAS |
570 | ret = value_set_u64(cw, event, "perf_transaction", |
571 | sample->transaction); | |
edbe9817 JO |
572 | if (ret) |
573 | return -1; | |
574 | } | |
575 | ||
576 | return 0; | |
577 | } | |
578 | ||
90e129ff SAS |
579 | static int ctf_stream__flush(struct ctf_stream *cs) |
580 | { | |
581 | int err = 0; | |
582 | ||
583 | if (cs) { | |
584 | err = bt_ctf_stream_flush(cs->stream); | |
585 | if (err) | |
586 | pr_err("CTF stream %d flush failed\n", cs->cpu); | |
587 | ||
89e5fa88 JO |
588 | pr("Flush stream for cpu %d (%u samples)\n", |
589 | cs->cpu, cs->count); | |
590 | ||
591 | cs->count = 0; | |
90e129ff SAS |
592 | } |
593 | ||
594 | return err; | |
595 | } | |
596 | ||
597 | static struct ctf_stream *ctf_stream__create(struct ctf_writer *cw, int cpu) | |
598 | { | |
599 | struct ctf_stream *cs; | |
600 | struct bt_ctf_field *pkt_ctx = NULL; | |
601 | struct bt_ctf_field *cpu_field = NULL; | |
602 | struct bt_ctf_stream *stream = NULL; | |
603 | int ret; | |
604 | ||
605 | cs = zalloc(sizeof(*cs)); | |
606 | if (!cs) { | |
607 | pr_err("Failed to allocate ctf stream\n"); | |
608 | return NULL; | |
609 | } | |
610 | ||
611 | stream = bt_ctf_writer_create_stream(cw->writer, cw->stream_class); | |
612 | if (!stream) { | |
613 | pr_err("Failed to create CTF stream\n"); | |
614 | goto out; | |
615 | } | |
616 | ||
617 | pkt_ctx = bt_ctf_stream_get_packet_context(stream); | |
618 | if (!pkt_ctx) { | |
619 | pr_err("Failed to obtain packet context\n"); | |
620 | goto out; | |
621 | } | |
622 | ||
623 | cpu_field = bt_ctf_field_structure_get_field(pkt_ctx, "cpu_id"); | |
624 | bt_ctf_field_put(pkt_ctx); | |
625 | if (!cpu_field) { | |
626 | pr_err("Failed to obtain cpu field\n"); | |
627 | goto out; | |
628 | } | |
629 | ||
630 | ret = bt_ctf_field_unsigned_integer_set_value(cpu_field, (u32) cpu); | |
631 | if (ret) { | |
632 | pr_err("Failed to update CPU number\n"); | |
633 | goto out; | |
634 | } | |
635 | ||
636 | bt_ctf_field_put(cpu_field); | |
637 | ||
638 | cs->cpu = cpu; | |
639 | cs->stream = stream; | |
640 | return cs; | |
641 | ||
642 | out: | |
643 | if (cpu_field) | |
644 | bt_ctf_field_put(cpu_field); | |
645 | if (stream) | |
646 | bt_ctf_stream_put(stream); | |
647 | ||
648 | free(cs); | |
649 | return NULL; | |
650 | } | |
651 | ||
652 | static void ctf_stream__delete(struct ctf_stream *cs) | |
653 | { | |
654 | if (cs) { | |
655 | bt_ctf_stream_put(cs->stream); | |
656 | free(cs); | |
657 | } | |
658 | } | |
659 | ||
660 | static struct ctf_stream *ctf_stream(struct ctf_writer *cw, int cpu) | |
661 | { | |
662 | struct ctf_stream *cs = cw->stream[cpu]; | |
663 | ||
664 | if (!cs) { | |
665 | cs = ctf_stream__create(cw, cpu); | |
666 | cw->stream[cpu] = cs; | |
667 | } | |
668 | ||
669 | return cs; | |
670 | } | |
671 | ||
672 | static int get_sample_cpu(struct ctf_writer *cw, struct perf_sample *sample, | |
673 | struct perf_evsel *evsel) | |
674 | { | |
675 | int cpu = 0; | |
676 | ||
677 | if (evsel->attr.sample_type & PERF_SAMPLE_CPU) | |
678 | cpu = sample->cpu; | |
679 | ||
680 | if (cpu > cw->stream_cnt) { | |
681 | pr_err("Event was recorded for CPU %d, limit is at %d.\n", | |
682 | cpu, cw->stream_cnt); | |
683 | cpu = 0; | |
684 | } | |
685 | ||
686 | return cpu; | |
687 | } | |
688 | ||
89e5fa88 JO |
689 | #define STREAM_FLUSH_COUNT 100000 |
690 | ||
691 | /* | |
692 | * Currently we have no other way to determine the | |
693 | * time for the stream flush other than keep track | |
694 | * of the number of events and check it against | |
695 | * threshold. | |
696 | */ | |
697 | static bool is_flush_needed(struct ctf_stream *cs) | |
698 | { | |
699 | return cs->count >= STREAM_FLUSH_COUNT; | |
700 | } | |
701 | ||
edbe9817 | 702 | static int process_sample_event(struct perf_tool *tool, |
b8f8eb84 | 703 | union perf_event *_event, |
edbe9817 JO |
704 | struct perf_sample *sample, |
705 | struct perf_evsel *evsel, | |
706 | struct machine *machine __maybe_unused) | |
707 | { | |
708 | struct convert *c = container_of(tool, struct convert, tool); | |
709 | struct evsel_priv *priv = evsel->priv; | |
710 | struct ctf_writer *cw = &c->writer; | |
90e129ff | 711 | struct ctf_stream *cs; |
edbe9817 JO |
712 | struct bt_ctf_event_class *event_class; |
713 | struct bt_ctf_event *event; | |
714 | int ret; | |
715 | ||
716 | if (WARN_ONCE(!priv, "Failed to setup all events.\n")) | |
717 | return 0; | |
718 | ||
719 | event_class = priv->event_class; | |
720 | ||
721 | /* update stats */ | |
722 | c->events_count++; | |
723 | c->events_size += _event->header.size; | |
724 | ||
725 | pr_time2(sample->time, "sample %" PRIu64 "\n", c->events_count); | |
726 | ||
727 | event = bt_ctf_event_create(event_class); | |
728 | if (!event) { | |
729 | pr_err("Failed to create an CTF event\n"); | |
730 | return -1; | |
731 | } | |
732 | ||
733 | bt_ctf_clock_set_time(cw->clock, sample->time); | |
734 | ||
735 | ret = add_generic_values(cw, event, evsel, sample); | |
736 | if (ret) | |
737 | return -1; | |
738 | ||
69364727 SAS |
739 | if (evsel->attr.type == PERF_TYPE_TRACEPOINT) { |
740 | ret = add_tracepoint_values(cw, event_class, event, | |
741 | evsel, sample); | |
742 | if (ret) | |
743 | return -1; | |
744 | } | |
745 | ||
6122d57e WN |
746 | if (perf_evsel__is_bpf_output(evsel)) { |
747 | ret = add_bpf_output_values(event_class, event, sample); | |
748 | if (ret) | |
749 | return -1; | |
750 | } | |
751 | ||
90e129ff | 752 | cs = ctf_stream(cw, get_sample_cpu(cw, sample, evsel)); |
89e5fa88 JO |
753 | if (cs) { |
754 | if (is_flush_needed(cs)) | |
755 | ctf_stream__flush(cs); | |
756 | ||
757 | cs->count++; | |
90e129ff | 758 | bt_ctf_stream_append_event(cs->stream, event); |
89e5fa88 | 759 | } |
90e129ff | 760 | |
edbe9817 | 761 | bt_ctf_event_put(event); |
90e129ff | 762 | return cs ? 0 : -1; |
edbe9817 JO |
763 | } |
764 | ||
e0a7cce5 WN |
765 | /* If dup < 0, add a prefix. Else, add _dupl_X suffix. */ |
766 | static char *change_name(char *name, char *orig_name, int dup) | |
767 | { | |
768 | char *new_name = NULL; | |
769 | size_t len; | |
770 | ||
771 | if (!name) | |
772 | name = orig_name; | |
773 | ||
774 | if (dup >= 10) | |
775 | goto out; | |
776 | /* | |
777 | * Add '_' prefix to potential keywork. According to | |
778 | * Mathieu Desnoyers (https://lkml.org/lkml/2015/1/23/652), | |
779 | * futher CTF spec updating may require us to use '$'. | |
780 | */ | |
781 | if (dup < 0) | |
782 | len = strlen(name) + sizeof("_"); | |
783 | else | |
784 | len = strlen(orig_name) + sizeof("_dupl_X"); | |
785 | ||
786 | new_name = malloc(len); | |
787 | if (!new_name) | |
788 | goto out; | |
789 | ||
790 | if (dup < 0) | |
791 | snprintf(new_name, len, "_%s", name); | |
792 | else | |
793 | snprintf(new_name, len, "%s_dupl_%d", orig_name, dup); | |
794 | ||
795 | out: | |
796 | if (name != orig_name) | |
797 | free(name); | |
798 | return new_name; | |
799 | } | |
800 | ||
801 | static int event_class_add_field(struct bt_ctf_event_class *event_class, | |
802 | struct bt_ctf_field_type *type, | |
803 | struct format_field *field) | |
804 | { | |
805 | struct bt_ctf_field_type *t = NULL; | |
806 | char *name; | |
807 | int dup = 1; | |
808 | int ret; | |
809 | ||
810 | /* alias was already assigned */ | |
811 | if (field->alias != field->name) | |
812 | return bt_ctf_event_class_add_field(event_class, type, | |
813 | (char *)field->alias); | |
814 | ||
815 | name = field->name; | |
816 | ||
817 | /* If 'name' is a keywork, add prefix. */ | |
818 | if (bt_ctf_validate_identifier(name)) | |
819 | name = change_name(name, field->name, -1); | |
820 | ||
821 | if (!name) { | |
822 | pr_err("Failed to fix invalid identifier."); | |
823 | return -1; | |
824 | } | |
825 | while ((t = bt_ctf_event_class_get_field_by_name(event_class, name))) { | |
826 | bt_ctf_field_type_put(t); | |
827 | name = change_name(name, field->name, dup++); | |
828 | if (!name) { | |
829 | pr_err("Failed to create dup name for '%s'\n", field->name); | |
830 | return -1; | |
831 | } | |
832 | } | |
833 | ||
834 | ret = bt_ctf_event_class_add_field(event_class, type, name); | |
835 | if (!ret) | |
836 | field->alias = name; | |
837 | ||
838 | return ret; | |
839 | } | |
840 | ||
69364727 SAS |
841 | static int add_tracepoint_fields_types(struct ctf_writer *cw, |
842 | struct format_field *fields, | |
843 | struct bt_ctf_event_class *event_class) | |
844 | { | |
845 | struct format_field *field; | |
846 | int ret; | |
847 | ||
848 | for (field = fields; field; field = field->next) { | |
849 | struct bt_ctf_field_type *type; | |
850 | unsigned long flags = field->flags; | |
851 | ||
852 | pr2(" field '%s'\n", field->name); | |
853 | ||
854 | type = get_tracepoint_field_type(cw, field); | |
855 | if (!type) | |
856 | return -1; | |
857 | ||
858 | /* | |
859 | * A string is an array of chars. For this we use the string | |
860 | * type and don't care that it is an array. What we don't | |
861 | * support is an array of strings. | |
862 | */ | |
863 | if (flags & FIELD_IS_STRING) | |
864 | flags &= ~FIELD_IS_ARRAY; | |
865 | ||
866 | if (flags & FIELD_IS_ARRAY) | |
867 | type = bt_ctf_field_type_array_create(type, field->arraylen); | |
868 | ||
e0a7cce5 | 869 | ret = event_class_add_field(event_class, type, field); |
69364727 SAS |
870 | |
871 | if (flags & FIELD_IS_ARRAY) | |
872 | bt_ctf_field_type_put(type); | |
873 | ||
874 | if (ret) { | |
e0a7cce5 WN |
875 | pr_err("Failed to add field '%s': %d\n", |
876 | field->name, ret); | |
69364727 SAS |
877 | return -1; |
878 | } | |
879 | } | |
880 | ||
881 | return 0; | |
882 | } | |
883 | ||
884 | static int add_tracepoint_types(struct ctf_writer *cw, | |
885 | struct perf_evsel *evsel, | |
886 | struct bt_ctf_event_class *class) | |
887 | { | |
888 | struct format_field *common_fields = evsel->tp_format->format.common_fields; | |
889 | struct format_field *fields = evsel->tp_format->format.fields; | |
890 | int ret; | |
891 | ||
892 | ret = add_tracepoint_fields_types(cw, common_fields, class); | |
893 | if (!ret) | |
894 | ret = add_tracepoint_fields_types(cw, fields, class); | |
895 | ||
896 | return ret; | |
897 | } | |
898 | ||
6122d57e WN |
899 | static int add_bpf_output_types(struct ctf_writer *cw, |
900 | struct bt_ctf_event_class *class) | |
901 | { | |
902 | struct bt_ctf_field_type *len_type = cw->data.u32; | |
903 | struct bt_ctf_field_type *seq_base_type = cw->data.u32_hex; | |
904 | struct bt_ctf_field_type *seq_type; | |
905 | int ret; | |
906 | ||
907 | ret = bt_ctf_event_class_add_field(class, len_type, "raw_len"); | |
908 | if (ret) | |
909 | return ret; | |
910 | ||
911 | seq_type = bt_ctf_field_type_sequence_create(seq_base_type, "raw_len"); | |
912 | if (!seq_type) | |
913 | return -1; | |
914 | ||
915 | return bt_ctf_event_class_add_field(class, seq_type, "raw_data"); | |
916 | } | |
917 | ||
edbe9817 JO |
918 | static int add_generic_types(struct ctf_writer *cw, struct perf_evsel *evsel, |
919 | struct bt_ctf_event_class *event_class) | |
920 | { | |
921 | u64 type = evsel->attr.sample_type; | |
922 | ||
923 | /* | |
924 | * missing: | |
925 | * PERF_SAMPLE_TIME - not needed as we have it in | |
926 | * ctf event header | |
927 | * PERF_SAMPLE_READ - TODO | |
928 | * PERF_SAMPLE_CALLCHAIN - TODO | |
6122d57e WN |
929 | * PERF_SAMPLE_RAW - tracepoint fields and BPF output |
930 | * are handled separately | |
edbe9817 JO |
931 | * PERF_SAMPLE_BRANCH_STACK - TODO |
932 | * PERF_SAMPLE_REGS_USER - TODO | |
933 | * PERF_SAMPLE_STACK_USER - TODO | |
934 | */ | |
935 | ||
936 | #define ADD_FIELD(cl, t, n) \ | |
937 | do { \ | |
938 | pr2(" field '%s'\n", n); \ | |
939 | if (bt_ctf_event_class_add_field(cl, t, n)) { \ | |
e0a7cce5 | 940 | pr_err("Failed to add field '%s';\n", n); \ |
edbe9817 JO |
941 | return -1; \ |
942 | } \ | |
943 | } while (0) | |
944 | ||
945 | if (type & PERF_SAMPLE_IP) | |
54cf776a | 946 | ADD_FIELD(event_class, cw->data.u64_hex, "perf_ip"); |
edbe9817 JO |
947 | |
948 | if (type & PERF_SAMPLE_TID) { | |
54cf776a SAS |
949 | ADD_FIELD(event_class, cw->data.s32, "perf_tid"); |
950 | ADD_FIELD(event_class, cw->data.s32, "perf_pid"); | |
edbe9817 JO |
951 | } |
952 | ||
953 | if ((type & PERF_SAMPLE_ID) || | |
954 | (type & PERF_SAMPLE_IDENTIFIER)) | |
54cf776a | 955 | ADD_FIELD(event_class, cw->data.u64, "perf_id"); |
edbe9817 JO |
956 | |
957 | if (type & PERF_SAMPLE_STREAM_ID) | |
54cf776a | 958 | ADD_FIELD(event_class, cw->data.u64, "perf_stream_id"); |
edbe9817 | 959 | |
edbe9817 | 960 | if (type & PERF_SAMPLE_PERIOD) |
54cf776a | 961 | ADD_FIELD(event_class, cw->data.u64, "perf_period"); |
edbe9817 JO |
962 | |
963 | if (type & PERF_SAMPLE_WEIGHT) | |
54cf776a | 964 | ADD_FIELD(event_class, cw->data.u64, "perf_weight"); |
edbe9817 JO |
965 | |
966 | if (type & PERF_SAMPLE_DATA_SRC) | |
54cf776a | 967 | ADD_FIELD(event_class, cw->data.u64, "perf_data_src"); |
edbe9817 JO |
968 | |
969 | if (type & PERF_SAMPLE_TRANSACTION) | |
54cf776a | 970 | ADD_FIELD(event_class, cw->data.u64, "perf_transaction"); |
edbe9817 JO |
971 | |
972 | #undef ADD_FIELD | |
973 | return 0; | |
974 | } | |
975 | ||
976 | static int add_event(struct ctf_writer *cw, struct perf_evsel *evsel) | |
977 | { | |
978 | struct bt_ctf_event_class *event_class; | |
979 | struct evsel_priv *priv; | |
980 | const char *name = perf_evsel__name(evsel); | |
981 | int ret; | |
982 | ||
983 | pr("Adding event '%s' (type %d)\n", name, evsel->attr.type); | |
984 | ||
985 | event_class = bt_ctf_event_class_create(name); | |
986 | if (!event_class) | |
987 | return -1; | |
988 | ||
989 | ret = add_generic_types(cw, evsel, event_class); | |
990 | if (ret) | |
991 | goto err; | |
992 | ||
69364727 SAS |
993 | if (evsel->attr.type == PERF_TYPE_TRACEPOINT) { |
994 | ret = add_tracepoint_types(cw, evsel, event_class); | |
995 | if (ret) | |
996 | goto err; | |
997 | } | |
998 | ||
6122d57e WN |
999 | if (perf_evsel__is_bpf_output(evsel)) { |
1000 | ret = add_bpf_output_types(cw, event_class); | |
1001 | if (ret) | |
1002 | goto err; | |
1003 | } | |
1004 | ||
edbe9817 JO |
1005 | ret = bt_ctf_stream_class_add_event_class(cw->stream_class, event_class); |
1006 | if (ret) { | |
1007 | pr("Failed to add event class into stream.\n"); | |
1008 | goto err; | |
1009 | } | |
1010 | ||
1011 | priv = malloc(sizeof(*priv)); | |
1012 | if (!priv) | |
1013 | goto err; | |
1014 | ||
1015 | priv->event_class = event_class; | |
1016 | evsel->priv = priv; | |
1017 | return 0; | |
1018 | ||
1019 | err: | |
1020 | bt_ctf_event_class_put(event_class); | |
1021 | pr_err("Failed to add event '%s'.\n", name); | |
1022 | return -1; | |
1023 | } | |
1024 | ||
1025 | static int setup_events(struct ctf_writer *cw, struct perf_session *session) | |
1026 | { | |
1027 | struct perf_evlist *evlist = session->evlist; | |
1028 | struct perf_evsel *evsel; | |
1029 | int ret; | |
1030 | ||
e5cadb93 | 1031 | evlist__for_each_entry(evlist, evsel) { |
edbe9817 JO |
1032 | ret = add_event(cw, evsel); |
1033 | if (ret) | |
1034 | return ret; | |
1035 | } | |
1036 | return 0; | |
1037 | } | |
1038 | ||
5141d735 WN |
1039 | static void cleanup_events(struct perf_session *session) |
1040 | { | |
1041 | struct perf_evlist *evlist = session->evlist; | |
1042 | struct perf_evsel *evsel; | |
1043 | ||
e5cadb93 | 1044 | evlist__for_each_entry(evlist, evsel) { |
5141d735 WN |
1045 | struct evsel_priv *priv; |
1046 | ||
1047 | priv = evsel->priv; | |
1048 | bt_ctf_event_class_put(priv->event_class); | |
1049 | zfree(&evsel->priv); | |
1050 | } | |
1051 | ||
1052 | perf_evlist__delete(evlist); | |
1053 | session->evlist = NULL; | |
1054 | } | |
1055 | ||
90e129ff SAS |
1056 | static int setup_streams(struct ctf_writer *cw, struct perf_session *session) |
1057 | { | |
1058 | struct ctf_stream **stream; | |
1059 | struct perf_header *ph = &session->header; | |
1060 | int ncpus; | |
1061 | ||
1062 | /* | |
1063 | * Try to get the number of cpus used in the data file, | |
1064 | * if not present fallback to the MAX_CPUS. | |
1065 | */ | |
1066 | ncpus = ph->env.nr_cpus_avail ?: MAX_CPUS; | |
1067 | ||
1068 | stream = zalloc(sizeof(*stream) * ncpus); | |
1069 | if (!stream) { | |
1070 | pr_err("Failed to allocate streams.\n"); | |
1071 | return -ENOMEM; | |
1072 | } | |
1073 | ||
1074 | cw->stream = stream; | |
1075 | cw->stream_cnt = ncpus; | |
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | static void free_streams(struct ctf_writer *cw) | |
1080 | { | |
1081 | int cpu; | |
1082 | ||
1083 | for (cpu = 0; cpu < cw->stream_cnt; cpu++) | |
1084 | ctf_stream__delete(cw->stream[cpu]); | |
1085 | ||
1086 | free(cw->stream); | |
1087 | } | |
1088 | ||
edbe9817 JO |
1089 | static int ctf_writer__setup_env(struct ctf_writer *cw, |
1090 | struct perf_session *session) | |
1091 | { | |
1092 | struct perf_header *header = &session->header; | |
1093 | struct bt_ctf_writer *writer = cw->writer; | |
1094 | ||
1095 | #define ADD(__n, __v) \ | |
1096 | do { \ | |
1097 | if (bt_ctf_writer_add_environment_field(writer, __n, __v)) \ | |
1098 | return -1; \ | |
1099 | } while (0) | |
1100 | ||
1101 | ADD("host", header->env.hostname); | |
1102 | ADD("sysname", "Linux"); | |
1103 | ADD("release", header->env.os_release); | |
1104 | ADD("version", header->env.version); | |
1105 | ADD("machine", header->env.arch); | |
1106 | ADD("domain", "kernel"); | |
1107 | ADD("tracer_name", "perf"); | |
1108 | ||
1109 | #undef ADD | |
1110 | return 0; | |
1111 | } | |
1112 | ||
1113 | static int ctf_writer__setup_clock(struct ctf_writer *cw) | |
1114 | { | |
1115 | struct bt_ctf_clock *clock = cw->clock; | |
1116 | ||
1117 | bt_ctf_clock_set_description(clock, "perf clock"); | |
1118 | ||
1119 | #define SET(__n, __v) \ | |
1120 | do { \ | |
1121 | if (bt_ctf_clock_set_##__n(clock, __v)) \ | |
1122 | return -1; \ | |
1123 | } while (0) | |
1124 | ||
1125 | SET(frequency, 1000000000); | |
1126 | SET(offset_s, 0); | |
1127 | SET(offset, 0); | |
1128 | SET(precision, 10); | |
1129 | SET(is_absolute, 0); | |
1130 | ||
1131 | #undef SET | |
1132 | return 0; | |
1133 | } | |
1134 | ||
1135 | static struct bt_ctf_field_type *create_int_type(int size, bool sign, bool hex) | |
1136 | { | |
1137 | struct bt_ctf_field_type *type; | |
1138 | ||
1139 | type = bt_ctf_field_type_integer_create(size); | |
1140 | if (!type) | |
1141 | return NULL; | |
1142 | ||
1143 | if (sign && | |
1144 | bt_ctf_field_type_integer_set_signed(type, 1)) | |
1145 | goto err; | |
1146 | ||
1147 | if (hex && | |
1148 | bt_ctf_field_type_integer_set_base(type, BT_CTF_INTEGER_BASE_HEXADECIMAL)) | |
1149 | goto err; | |
1150 | ||
f8dd2d5f WN |
1151 | #if __BYTE_ORDER == __BIG_ENDIAN |
1152 | bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_BIG_ENDIAN); | |
1153 | #else | |
1154 | bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_LITTLE_ENDIAN); | |
1155 | #endif | |
1156 | ||
edbe9817 JO |
1157 | pr2("Created type: INTEGER %d-bit %ssigned %s\n", |
1158 | size, sign ? "un" : "", hex ? "hex" : ""); | |
1159 | return type; | |
1160 | ||
1161 | err: | |
1162 | bt_ctf_field_type_put(type); | |
1163 | return NULL; | |
1164 | } | |
1165 | ||
1166 | static void ctf_writer__cleanup_data(struct ctf_writer *cw) | |
1167 | { | |
1168 | unsigned int i; | |
1169 | ||
1170 | for (i = 0; i < ARRAY_SIZE(cw->data.array); i++) | |
1171 | bt_ctf_field_type_put(cw->data.array[i]); | |
1172 | } | |
1173 | ||
1174 | static int ctf_writer__init_data(struct ctf_writer *cw) | |
1175 | { | |
1176 | #define CREATE_INT_TYPE(type, size, sign, hex) \ | |
1177 | do { \ | |
1178 | (type) = create_int_type(size, sign, hex); \ | |
1179 | if (!(type)) \ | |
1180 | goto err; \ | |
1181 | } while (0) | |
1182 | ||
1183 | CREATE_INT_TYPE(cw->data.s64, 64, true, false); | |
1184 | CREATE_INT_TYPE(cw->data.u64, 64, false, false); | |
1185 | CREATE_INT_TYPE(cw->data.s32, 32, true, false); | |
1186 | CREATE_INT_TYPE(cw->data.u32, 32, false, false); | |
26812d46 | 1187 | CREATE_INT_TYPE(cw->data.u32_hex, 32, false, true); |
edbe9817 JO |
1188 | CREATE_INT_TYPE(cw->data.u64_hex, 64, false, true); |
1189 | ||
1190 | cw->data.string = bt_ctf_field_type_string_create(); | |
1191 | if (cw->data.string) | |
1192 | return 0; | |
1193 | ||
1194 | err: | |
1195 | ctf_writer__cleanup_data(cw); | |
1196 | pr_err("Failed to create data types.\n"); | |
1197 | return -1; | |
1198 | } | |
1199 | ||
1200 | static void ctf_writer__cleanup(struct ctf_writer *cw) | |
1201 | { | |
1202 | ctf_writer__cleanup_data(cw); | |
1203 | ||
1204 | bt_ctf_clock_put(cw->clock); | |
90e129ff | 1205 | free_streams(cw); |
edbe9817 JO |
1206 | bt_ctf_stream_class_put(cw->stream_class); |
1207 | bt_ctf_writer_put(cw->writer); | |
1208 | ||
1209 | /* and NULL all the pointers */ | |
1210 | memset(cw, 0, sizeof(*cw)); | |
1211 | } | |
1212 | ||
1213 | static int ctf_writer__init(struct ctf_writer *cw, const char *path) | |
1214 | { | |
1215 | struct bt_ctf_writer *writer; | |
1216 | struct bt_ctf_stream_class *stream_class; | |
edbe9817 | 1217 | struct bt_ctf_clock *clock; |
90e129ff SAS |
1218 | struct bt_ctf_field_type *pkt_ctx_type; |
1219 | int ret; | |
edbe9817 JO |
1220 | |
1221 | /* CTF writer */ | |
1222 | writer = bt_ctf_writer_create(path); | |
1223 | if (!writer) | |
1224 | goto err; | |
1225 | ||
1226 | cw->writer = writer; | |
1227 | ||
1228 | /* CTF clock */ | |
1229 | clock = bt_ctf_clock_create("perf_clock"); | |
1230 | if (!clock) { | |
1231 | pr("Failed to create CTF clock.\n"); | |
1232 | goto err_cleanup; | |
1233 | } | |
1234 | ||
1235 | cw->clock = clock; | |
1236 | ||
1237 | if (ctf_writer__setup_clock(cw)) { | |
1238 | pr("Failed to setup CTF clock.\n"); | |
1239 | goto err_cleanup; | |
1240 | } | |
1241 | ||
1242 | /* CTF stream class */ | |
1243 | stream_class = bt_ctf_stream_class_create("perf_stream"); | |
1244 | if (!stream_class) { | |
1245 | pr("Failed to create CTF stream class.\n"); | |
1246 | goto err_cleanup; | |
1247 | } | |
1248 | ||
1249 | cw->stream_class = stream_class; | |
1250 | ||
1251 | /* CTF clock stream setup */ | |
1252 | if (bt_ctf_stream_class_set_clock(stream_class, clock)) { | |
1253 | pr("Failed to assign CTF clock to stream class.\n"); | |
1254 | goto err_cleanup; | |
1255 | } | |
1256 | ||
1257 | if (ctf_writer__init_data(cw)) | |
1258 | goto err_cleanup; | |
1259 | ||
90e129ff SAS |
1260 | /* Add cpu_id for packet context */ |
1261 | pkt_ctx_type = bt_ctf_stream_class_get_packet_context_type(stream_class); | |
1262 | if (!pkt_ctx_type) | |
edbe9817 | 1263 | goto err_cleanup; |
edbe9817 | 1264 | |
90e129ff SAS |
1265 | ret = bt_ctf_field_type_structure_add_field(pkt_ctx_type, cw->data.u32, "cpu_id"); |
1266 | bt_ctf_field_type_put(pkt_ctx_type); | |
1267 | if (ret) | |
1268 | goto err_cleanup; | |
edbe9817 JO |
1269 | |
1270 | /* CTF clock writer setup */ | |
1271 | if (bt_ctf_writer_add_clock(writer, clock)) { | |
1272 | pr("Failed to assign CTF clock to writer.\n"); | |
1273 | goto err_cleanup; | |
1274 | } | |
1275 | ||
1276 | return 0; | |
1277 | ||
1278 | err_cleanup: | |
1279 | ctf_writer__cleanup(cw); | |
1280 | err: | |
1281 | pr_err("Failed to setup CTF writer.\n"); | |
1282 | return -1; | |
1283 | } | |
1284 | ||
90e129ff SAS |
1285 | static int ctf_writer__flush_streams(struct ctf_writer *cw) |
1286 | { | |
1287 | int cpu, ret = 0; | |
1288 | ||
1289 | for (cpu = 0; cpu < cw->stream_cnt && !ret; cpu++) | |
1290 | ret = ctf_stream__flush(cw->stream[cpu]); | |
1291 | ||
1292 | return ret; | |
1293 | } | |
1294 | ||
8fa46753 JO |
1295 | static int convert__config(const char *var, const char *value, void *cb) |
1296 | { | |
1297 | struct convert *c = cb; | |
1298 | ||
1299 | if (!strcmp(var, "convert.queue-size")) { | |
1300 | c->queue_size = perf_config_u64(var, value); | |
1301 | return 0; | |
1302 | } | |
1303 | ||
b8cbb349 | 1304 | return 0; |
8fa46753 JO |
1305 | } |
1306 | ||
3275f68e WN |
1307 | int bt_convert__perf2ctf(const char *input, const char *path, |
1308 | struct perf_data_convert_opts *opts) | |
edbe9817 JO |
1309 | { |
1310 | struct perf_session *session; | |
1311 | struct perf_data_file file = { | |
1312 | .path = input, | |
1313 | .mode = PERF_DATA_MODE_READ, | |
3275f68e | 1314 | .force = opts->force, |
edbe9817 JO |
1315 | }; |
1316 | struct convert c = { | |
1317 | .tool = { | |
1318 | .sample = process_sample_event, | |
1319 | .mmap = perf_event__process_mmap, | |
1320 | .mmap2 = perf_event__process_mmap2, | |
1321 | .comm = perf_event__process_comm, | |
1322 | .exit = perf_event__process_exit, | |
1323 | .fork = perf_event__process_fork, | |
1324 | .lost = perf_event__process_lost, | |
1325 | .tracing_data = perf_event__process_tracing_data, | |
1326 | .build_id = perf_event__process_build_id, | |
1327 | .ordered_events = true, | |
1328 | .ordering_requires_timestamps = true, | |
1329 | }, | |
1330 | }; | |
1331 | struct ctf_writer *cw = &c.writer; | |
1332 | int err = -1; | |
1333 | ||
8fa46753 JO |
1334 | perf_config(convert__config, &c); |
1335 | ||
edbe9817 JO |
1336 | /* CTF writer */ |
1337 | if (ctf_writer__init(cw, path)) | |
1338 | return -1; | |
1339 | ||
1340 | /* perf.data session */ | |
b7b61cbe | 1341 | session = perf_session__new(&file, 0, &c.tool); |
edbe9817 JO |
1342 | if (!session) |
1343 | goto free_writer; | |
1344 | ||
8fa46753 JO |
1345 | if (c.queue_size) { |
1346 | ordered_events__set_alloc_size(&session->ordered_events, | |
1347 | c.queue_size); | |
1348 | } | |
1349 | ||
edbe9817 JO |
1350 | /* CTF writer env/clock setup */ |
1351 | if (ctf_writer__setup_env(cw, session)) | |
1352 | goto free_session; | |
1353 | ||
1354 | /* CTF events setup */ | |
1355 | if (setup_events(cw, session)) | |
1356 | goto free_session; | |
1357 | ||
90e129ff SAS |
1358 | if (setup_streams(cw, session)) |
1359 | goto free_session; | |
1360 | ||
b7b61cbe | 1361 | err = perf_session__process_events(session); |
edbe9817 | 1362 | if (!err) |
90e129ff | 1363 | err = ctf_writer__flush_streams(cw); |
c2141055 HK |
1364 | else |
1365 | pr_err("Error during conversion.\n"); | |
edbe9817 JO |
1366 | |
1367 | fprintf(stderr, | |
1368 | "[ perf data convert: Converted '%s' into CTF data '%s' ]\n", | |
1369 | file.path, path); | |
1370 | ||
1371 | fprintf(stderr, | |
1372 | "[ perf data convert: Converted and wrote %.3f MB (%" PRIu64 " samples) ]\n", | |
1373 | (double) c.events_size / 1024.0 / 1024.0, | |
1374 | c.events_count); | |
1375 | ||
5141d735 | 1376 | cleanup_events(session); |
edbe9817 | 1377 | perf_session__delete(session); |
c2141055 | 1378 | ctf_writer__cleanup(cw); |
edbe9817 | 1379 | |
c2141055 HK |
1380 | return err; |
1381 | ||
1382 | free_session: | |
1383 | perf_session__delete(session); | |
edbe9817 JO |
1384 | free_writer: |
1385 | ctf_writer__cleanup(cw); | |
c2141055 | 1386 | pr_err("Error during conversion setup.\n"); |
edbe9817 JO |
1387 | return err; |
1388 | } |