Commit | Line | Data |
---|---|---|
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; | |
f5a08ced | 72 | struct bt_ctf_event_class *comm_class; |
ebccba3f WN |
73 | struct bt_ctf_event_class *exit_class; |
74 | struct bt_ctf_event_class *fork_class; | |
edbe9817 JO |
75 | }; |
76 | ||
77 | struct convert { | |
78 | struct perf_tool tool; | |
79 | struct ctf_writer writer; | |
80 | ||
81 | u64 events_size; | |
82 | u64 events_count; | |
8ee4c46c | 83 | u64 non_sample_count; |
8fa46753 JO |
84 | |
85 | /* Ordered events configured queue size. */ | |
86 | u64 queue_size; | |
edbe9817 JO |
87 | }; |
88 | ||
89 | static int value_set(struct bt_ctf_field_type *type, | |
90 | struct bt_ctf_event *event, | |
91 | const char *name, u64 val) | |
92 | { | |
93 | struct bt_ctf_field *field; | |
94 | bool sign = bt_ctf_field_type_integer_get_signed(type); | |
95 | int ret; | |
96 | ||
97 | field = bt_ctf_field_create(type); | |
98 | if (!field) { | |
99 | pr_err("failed to create a field %s\n", name); | |
100 | return -1; | |
101 | } | |
102 | ||
103 | if (sign) { | |
104 | ret = bt_ctf_field_signed_integer_set_value(field, val); | |
105 | if (ret) { | |
106 | pr_err("failed to set field value %s\n", name); | |
107 | goto err; | |
108 | } | |
109 | } else { | |
110 | ret = bt_ctf_field_unsigned_integer_set_value(field, val); | |
111 | if (ret) { | |
112 | pr_err("failed to set field value %s\n", name); | |
113 | goto err; | |
114 | } | |
115 | } | |
116 | ||
117 | ret = bt_ctf_event_set_payload(event, name, field); | |
118 | if (ret) { | |
119 | pr_err("failed to set payload %s\n", name); | |
120 | goto err; | |
121 | } | |
122 | ||
123 | pr2(" SET [%s = %" PRIu64 "]\n", name, val); | |
124 | ||
125 | err: | |
126 | bt_ctf_field_put(field); | |
127 | return ret; | |
128 | } | |
129 | ||
130 | #define __FUNC_VALUE_SET(_name, _val_type) \ | |
131 | static __maybe_unused int value_set_##_name(struct ctf_writer *cw, \ | |
132 | struct bt_ctf_event *event, \ | |
133 | const char *name, \ | |
134 | _val_type val) \ | |
135 | { \ | |
136 | struct bt_ctf_field_type *type = cw->data._name; \ | |
137 | return value_set(type, event, name, (u64) val); \ | |
138 | } | |
139 | ||
140 | #define FUNC_VALUE_SET(_name) __FUNC_VALUE_SET(_name, _name) | |
141 | ||
142 | FUNC_VALUE_SET(s32) | |
143 | FUNC_VALUE_SET(u32) | |
144 | FUNC_VALUE_SET(s64) | |
145 | FUNC_VALUE_SET(u64) | |
146 | __FUNC_VALUE_SET(u64_hex, u64) | |
147 | ||
069ee5c4 WN |
148 | static int string_set_value(struct bt_ctf_field *field, const char *string); |
149 | static __maybe_unused int | |
150 | value_set_string(struct ctf_writer *cw, struct bt_ctf_event *event, | |
151 | const char *name, const char *string) | |
152 | { | |
153 | struct bt_ctf_field_type *type = cw->data.string; | |
154 | struct bt_ctf_field *field; | |
155 | int ret = 0; | |
156 | ||
157 | field = bt_ctf_field_create(type); | |
158 | if (!field) { | |
159 | pr_err("failed to create a field %s\n", name); | |
160 | return -1; | |
161 | } | |
162 | ||
163 | ret = string_set_value(field, string); | |
164 | if (ret) { | |
165 | pr_err("failed to set value %s\n", name); | |
166 | goto err_put_field; | |
167 | } | |
168 | ||
169 | ret = bt_ctf_event_set_payload(event, name, field); | |
170 | if (ret) | |
171 | pr_err("failed to set payload %s\n", name); | |
172 | ||
173 | err_put_field: | |
174 | bt_ctf_field_put(field); | |
175 | return ret; | |
176 | } | |
177 | ||
69364727 SAS |
178 | static struct bt_ctf_field_type* |
179 | get_tracepoint_field_type(struct ctf_writer *cw, struct format_field *field) | |
180 | { | |
181 | unsigned long flags = field->flags; | |
182 | ||
183 | if (flags & FIELD_IS_STRING) | |
184 | return cw->data.string; | |
185 | ||
186 | if (!(flags & FIELD_IS_SIGNED)) { | |
187 | /* unsigned long are mostly pointers */ | |
188 | if (flags & FIELD_IS_LONG || flags & FIELD_IS_POINTER) | |
189 | return cw->data.u64_hex; | |
190 | } | |
191 | ||
192 | if (flags & FIELD_IS_SIGNED) { | |
193 | if (field->size == 8) | |
194 | return cw->data.s64; | |
195 | else | |
196 | return cw->data.s32; | |
197 | } | |
198 | ||
199 | if (field->size == 8) | |
200 | return cw->data.u64; | |
201 | else | |
202 | return cw->data.u32; | |
203 | } | |
204 | ||
d4ae4213 WN |
205 | static unsigned long long adjust_signedness(unsigned long long value_int, int size) |
206 | { | |
207 | unsigned long long value_mask; | |
208 | ||
209 | /* | |
210 | * value_mask = (1 << (size * 8 - 1)) - 1. | |
211 | * Directly set value_mask for code readers. | |
212 | */ | |
213 | switch (size) { | |
214 | case 1: | |
215 | value_mask = 0x7fULL; | |
216 | break; | |
217 | case 2: | |
218 | value_mask = 0x7fffULL; | |
219 | break; | |
220 | case 4: | |
221 | value_mask = 0x7fffffffULL; | |
222 | break; | |
223 | case 8: | |
224 | /* | |
225 | * For 64 bit value, return it self. There is no need | |
226 | * to fill high bit. | |
227 | */ | |
228 | /* Fall through */ | |
229 | default: | |
230 | /* BUG! */ | |
231 | return value_int; | |
232 | } | |
233 | ||
234 | /* If it is a positive value, don't adjust. */ | |
235 | if ((value_int & (~0ULL - value_mask)) == 0) | |
236 | return value_int; | |
237 | ||
238 | /* Fill upper part of value_int with 1 to make it a negative long long. */ | |
239 | return (value_int & value_mask) | ~value_mask; | |
240 | } | |
241 | ||
5ea5888b WN |
242 | static int string_set_value(struct bt_ctf_field *field, const char *string) |
243 | { | |
244 | char *buffer = NULL; | |
245 | size_t len = strlen(string), i, p; | |
246 | int err; | |
247 | ||
248 | for (i = p = 0; i < len; i++, p++) { | |
249 | if (isprint(string[i])) { | |
250 | if (!buffer) | |
251 | continue; | |
252 | buffer[p] = string[i]; | |
253 | } else { | |
254 | char numstr[5]; | |
255 | ||
256 | snprintf(numstr, sizeof(numstr), "\\x%02x", | |
257 | (unsigned int)(string[i]) & 0xff); | |
258 | ||
259 | if (!buffer) { | |
260 | buffer = zalloc(i + (len - i) * 4 + 2); | |
261 | if (!buffer) { | |
262 | pr_err("failed to set unprintable string '%s'\n", string); | |
263 | return bt_ctf_field_string_set_value(field, "UNPRINTABLE-STRING"); | |
264 | } | |
265 | if (i > 0) | |
266 | strncpy(buffer, string, i); | |
267 | } | |
268 | strncat(buffer + p, numstr, 4); | |
269 | p += 3; | |
270 | } | |
271 | } | |
272 | ||
273 | if (!buffer) | |
274 | return bt_ctf_field_string_set_value(field, string); | |
275 | err = bt_ctf_field_string_set_value(field, buffer); | |
276 | free(buffer); | |
277 | return err; | |
278 | } | |
279 | ||
69364727 SAS |
280 | static int add_tracepoint_field_value(struct ctf_writer *cw, |
281 | struct bt_ctf_event_class *event_class, | |
282 | struct bt_ctf_event *event, | |
283 | struct perf_sample *sample, | |
284 | struct format_field *fmtf) | |
285 | { | |
286 | struct bt_ctf_field_type *type; | |
287 | struct bt_ctf_field *array_field; | |
288 | struct bt_ctf_field *field; | |
289 | const char *name = fmtf->name; | |
290 | void *data = sample->raw_data; | |
69364727 SAS |
291 | unsigned long flags = fmtf->flags; |
292 | unsigned int n_items; | |
293 | unsigned int i; | |
294 | unsigned int offset; | |
295 | unsigned int len; | |
296 | int ret; | |
297 | ||
e0a7cce5 | 298 | name = fmtf->alias; |
69364727 SAS |
299 | offset = fmtf->offset; |
300 | len = fmtf->size; | |
301 | if (flags & FIELD_IS_STRING) | |
302 | flags &= ~FIELD_IS_ARRAY; | |
303 | ||
304 | if (flags & FIELD_IS_DYNAMIC) { | |
305 | unsigned long long tmp_val; | |
306 | ||
307 | tmp_val = pevent_read_number(fmtf->event->pevent, | |
308 | data + offset, len); | |
309 | offset = tmp_val; | |
310 | len = offset >> 16; | |
311 | offset &= 0xffff; | |
312 | } | |
313 | ||
314 | if (flags & FIELD_IS_ARRAY) { | |
315 | ||
316 | type = bt_ctf_event_class_get_field_by_name( | |
317 | event_class, name); | |
318 | array_field = bt_ctf_field_create(type); | |
319 | bt_ctf_field_type_put(type); | |
320 | if (!array_field) { | |
321 | pr_err("Failed to create array type %s\n", name); | |
322 | return -1; | |
323 | } | |
324 | ||
325 | len = fmtf->size / fmtf->arraylen; | |
326 | n_items = fmtf->arraylen; | |
327 | } else { | |
328 | n_items = 1; | |
329 | array_field = NULL; | |
330 | } | |
331 | ||
332 | type = get_tracepoint_field_type(cw, fmtf); | |
333 | ||
334 | for (i = 0; i < n_items; i++) { | |
69364727 SAS |
335 | if (flags & FIELD_IS_ARRAY) |
336 | field = bt_ctf_field_array_get_field(array_field, i); | |
337 | else | |
338 | field = bt_ctf_field_create(type); | |
339 | ||
340 | if (!field) { | |
341 | pr_err("failed to create a field %s\n", name); | |
342 | return -1; | |
343 | } | |
344 | ||
345 | if (flags & FIELD_IS_STRING) | |
5ea5888b | 346 | ret = string_set_value(field, data + offset + i * len); |
d4ae4213 WN |
347 | else { |
348 | unsigned long long value_int; | |
349 | ||
350 | value_int = pevent_read_number( | |
351 | fmtf->event->pevent, | |
352 | data + offset + i * len, len); | |
353 | ||
354 | if (!(flags & FIELD_IS_SIGNED)) | |
355 | ret = bt_ctf_field_unsigned_integer_set_value( | |
356 | field, value_int); | |
357 | else | |
358 | ret = bt_ctf_field_signed_integer_set_value( | |
359 | field, adjust_signedness(value_int, len)); | |
360 | } | |
361 | ||
69364727 SAS |
362 | if (ret) { |
363 | pr_err("failed to set file value %s\n", name); | |
364 | goto err_put_field; | |
365 | } | |
366 | if (!(flags & FIELD_IS_ARRAY)) { | |
367 | ret = bt_ctf_event_set_payload(event, name, field); | |
368 | if (ret) { | |
369 | pr_err("failed to set payload %s\n", name); | |
370 | goto err_put_field; | |
371 | } | |
372 | } | |
373 | bt_ctf_field_put(field); | |
374 | } | |
375 | if (flags & FIELD_IS_ARRAY) { | |
376 | ret = bt_ctf_event_set_payload(event, name, array_field); | |
377 | if (ret) { | |
378 | pr_err("Failed add payload array %s\n", name); | |
379 | return -1; | |
380 | } | |
381 | bt_ctf_field_put(array_field); | |
382 | } | |
383 | return 0; | |
384 | ||
385 | err_put_field: | |
386 | bt_ctf_field_put(field); | |
387 | return -1; | |
388 | } | |
389 | ||
390 | static int add_tracepoint_fields_values(struct ctf_writer *cw, | |
391 | struct bt_ctf_event_class *event_class, | |
392 | struct bt_ctf_event *event, | |
393 | struct format_field *fields, | |
394 | struct perf_sample *sample) | |
395 | { | |
396 | struct format_field *field; | |
397 | int ret; | |
398 | ||
399 | for (field = fields; field; field = field->next) { | |
400 | ret = add_tracepoint_field_value(cw, event_class, event, sample, | |
401 | field); | |
402 | if (ret) | |
403 | return -1; | |
404 | } | |
405 | return 0; | |
406 | } | |
407 | ||
408 | static int add_tracepoint_values(struct ctf_writer *cw, | |
409 | struct bt_ctf_event_class *event_class, | |
410 | struct bt_ctf_event *event, | |
411 | struct perf_evsel *evsel, | |
412 | struct perf_sample *sample) | |
413 | { | |
414 | struct format_field *common_fields = evsel->tp_format->format.common_fields; | |
415 | struct format_field *fields = evsel->tp_format->format.fields; | |
416 | int ret; | |
417 | ||
418 | ret = add_tracepoint_fields_values(cw, event_class, event, | |
419 | common_fields, sample); | |
420 | if (!ret) | |
421 | ret = add_tracepoint_fields_values(cw, event_class, event, | |
422 | fields, sample); | |
423 | ||
424 | return ret; | |
425 | } | |
426 | ||
6122d57e WN |
427 | static int |
428 | add_bpf_output_values(struct bt_ctf_event_class *event_class, | |
429 | struct bt_ctf_event *event, | |
430 | struct perf_sample *sample) | |
431 | { | |
432 | struct bt_ctf_field_type *len_type, *seq_type; | |
433 | struct bt_ctf_field *len_field, *seq_field; | |
434 | unsigned int raw_size = sample->raw_size; | |
435 | unsigned int nr_elements = raw_size / sizeof(u32); | |
436 | unsigned int i; | |
437 | int ret; | |
438 | ||
439 | if (nr_elements * sizeof(u32) != raw_size) | |
f2c8852e | 440 | pr_warning("Incorrect raw_size (%u) in bpf output event, skip %zu bytes\n", |
6122d57e WN |
441 | raw_size, nr_elements * sizeof(u32) - raw_size); |
442 | ||
443 | len_type = bt_ctf_event_class_get_field_by_name(event_class, "raw_len"); | |
444 | len_field = bt_ctf_field_create(len_type); | |
445 | if (!len_field) { | |
446 | pr_err("failed to create 'raw_len' for bpf output event\n"); | |
447 | ret = -1; | |
448 | goto put_len_type; | |
449 | } | |
450 | ||
451 | ret = bt_ctf_field_unsigned_integer_set_value(len_field, nr_elements); | |
452 | if (ret) { | |
453 | pr_err("failed to set field value for raw_len\n"); | |
454 | goto put_len_field; | |
455 | } | |
456 | ret = bt_ctf_event_set_payload(event, "raw_len", len_field); | |
457 | if (ret) { | |
458 | pr_err("failed to set payload to raw_len\n"); | |
459 | goto put_len_field; | |
460 | } | |
461 | ||
462 | seq_type = bt_ctf_event_class_get_field_by_name(event_class, "raw_data"); | |
463 | seq_field = bt_ctf_field_create(seq_type); | |
464 | if (!seq_field) { | |
465 | pr_err("failed to create 'raw_data' for bpf output event\n"); | |
466 | ret = -1; | |
467 | goto put_seq_type; | |
468 | } | |
469 | ||
470 | ret = bt_ctf_field_sequence_set_length(seq_field, len_field); | |
471 | if (ret) { | |
472 | pr_err("failed to set length of 'raw_data'\n"); | |
473 | goto put_seq_field; | |
474 | } | |
475 | ||
476 | for (i = 0; i < nr_elements; i++) { | |
477 | struct bt_ctf_field *elem_field = | |
478 | bt_ctf_field_sequence_get_field(seq_field, i); | |
479 | ||
480 | ret = bt_ctf_field_unsigned_integer_set_value(elem_field, | |
481 | ((u32 *)(sample->raw_data))[i]); | |
482 | ||
483 | bt_ctf_field_put(elem_field); | |
484 | if (ret) { | |
485 | pr_err("failed to set raw_data[%d]\n", i); | |
486 | goto put_seq_field; | |
487 | } | |
488 | } | |
489 | ||
490 | ret = bt_ctf_event_set_payload(event, "raw_data", seq_field); | |
491 | if (ret) | |
492 | pr_err("failed to set payload for raw_data\n"); | |
493 | ||
494 | put_seq_field: | |
495 | bt_ctf_field_put(seq_field); | |
496 | put_seq_type: | |
497 | bt_ctf_field_type_put(seq_type); | |
498 | put_len_field: | |
499 | bt_ctf_field_put(len_field); | |
500 | put_len_type: | |
501 | bt_ctf_field_type_put(len_type); | |
502 | return ret; | |
503 | } | |
504 | ||
edbe9817 JO |
505 | static int add_generic_values(struct ctf_writer *cw, |
506 | struct bt_ctf_event *event, | |
507 | struct perf_evsel *evsel, | |
508 | struct perf_sample *sample) | |
509 | { | |
510 | u64 type = evsel->attr.sample_type; | |
511 | int ret; | |
512 | ||
513 | /* | |
514 | * missing: | |
515 | * PERF_SAMPLE_TIME - not needed as we have it in | |
516 | * ctf event header | |
517 | * PERF_SAMPLE_READ - TODO | |
518 | * PERF_SAMPLE_CALLCHAIN - TODO | |
519 | * PERF_SAMPLE_RAW - tracepoint fields are handled separately | |
520 | * PERF_SAMPLE_BRANCH_STACK - TODO | |
521 | * PERF_SAMPLE_REGS_USER - TODO | |
522 | * PERF_SAMPLE_STACK_USER - TODO | |
523 | */ | |
524 | ||
525 | if (type & PERF_SAMPLE_IP) { | |
54cf776a | 526 | ret = value_set_u64_hex(cw, event, "perf_ip", sample->ip); |
edbe9817 JO |
527 | if (ret) |
528 | return -1; | |
529 | } | |
530 | ||
531 | if (type & PERF_SAMPLE_TID) { | |
54cf776a | 532 | ret = value_set_s32(cw, event, "perf_tid", sample->tid); |
edbe9817 JO |
533 | if (ret) |
534 | return -1; | |
535 | ||
54cf776a | 536 | ret = value_set_s32(cw, event, "perf_pid", sample->pid); |
edbe9817 JO |
537 | if (ret) |
538 | return -1; | |
539 | } | |
540 | ||
541 | if ((type & PERF_SAMPLE_ID) || | |
542 | (type & PERF_SAMPLE_IDENTIFIER)) { | |
54cf776a | 543 | ret = value_set_u64(cw, event, "perf_id", sample->id); |
edbe9817 JO |
544 | if (ret) |
545 | return -1; | |
546 | } | |
547 | ||
548 | if (type & PERF_SAMPLE_STREAM_ID) { | |
54cf776a | 549 | ret = value_set_u64(cw, event, "perf_stream_id", sample->stream_id); |
edbe9817 JO |
550 | if (ret) |
551 | return -1; | |
552 | } | |
553 | ||
edbe9817 | 554 | if (type & PERF_SAMPLE_PERIOD) { |
54cf776a | 555 | ret = value_set_u64(cw, event, "perf_period", sample->period); |
edbe9817 JO |
556 | if (ret) |
557 | return -1; | |
558 | } | |
559 | ||
560 | if (type & PERF_SAMPLE_WEIGHT) { | |
54cf776a | 561 | ret = value_set_u64(cw, event, "perf_weight", sample->weight); |
edbe9817 JO |
562 | if (ret) |
563 | return -1; | |
564 | } | |
565 | ||
566 | if (type & PERF_SAMPLE_DATA_SRC) { | |
54cf776a SAS |
567 | ret = value_set_u64(cw, event, "perf_data_src", |
568 | sample->data_src); | |
edbe9817 JO |
569 | if (ret) |
570 | return -1; | |
571 | } | |
572 | ||
573 | if (type & PERF_SAMPLE_TRANSACTION) { | |
54cf776a SAS |
574 | ret = value_set_u64(cw, event, "perf_transaction", |
575 | sample->transaction); | |
edbe9817 JO |
576 | if (ret) |
577 | return -1; | |
578 | } | |
579 | ||
580 | return 0; | |
581 | } | |
582 | ||
90e129ff SAS |
583 | static int ctf_stream__flush(struct ctf_stream *cs) |
584 | { | |
585 | int err = 0; | |
586 | ||
587 | if (cs) { | |
588 | err = bt_ctf_stream_flush(cs->stream); | |
589 | if (err) | |
590 | pr_err("CTF stream %d flush failed\n", cs->cpu); | |
591 | ||
89e5fa88 JO |
592 | pr("Flush stream for cpu %d (%u samples)\n", |
593 | cs->cpu, cs->count); | |
594 | ||
595 | cs->count = 0; | |
90e129ff SAS |
596 | } |
597 | ||
598 | return err; | |
599 | } | |
600 | ||
601 | static struct ctf_stream *ctf_stream__create(struct ctf_writer *cw, int cpu) | |
602 | { | |
603 | struct ctf_stream *cs; | |
604 | struct bt_ctf_field *pkt_ctx = NULL; | |
605 | struct bt_ctf_field *cpu_field = NULL; | |
606 | struct bt_ctf_stream *stream = NULL; | |
607 | int ret; | |
608 | ||
609 | cs = zalloc(sizeof(*cs)); | |
610 | if (!cs) { | |
611 | pr_err("Failed to allocate ctf stream\n"); | |
612 | return NULL; | |
613 | } | |
614 | ||
615 | stream = bt_ctf_writer_create_stream(cw->writer, cw->stream_class); | |
616 | if (!stream) { | |
617 | pr_err("Failed to create CTF stream\n"); | |
618 | goto out; | |
619 | } | |
620 | ||
621 | pkt_ctx = bt_ctf_stream_get_packet_context(stream); | |
622 | if (!pkt_ctx) { | |
623 | pr_err("Failed to obtain packet context\n"); | |
624 | goto out; | |
625 | } | |
626 | ||
627 | cpu_field = bt_ctf_field_structure_get_field(pkt_ctx, "cpu_id"); | |
628 | bt_ctf_field_put(pkt_ctx); | |
629 | if (!cpu_field) { | |
630 | pr_err("Failed to obtain cpu field\n"); | |
631 | goto out; | |
632 | } | |
633 | ||
634 | ret = bt_ctf_field_unsigned_integer_set_value(cpu_field, (u32) cpu); | |
635 | if (ret) { | |
636 | pr_err("Failed to update CPU number\n"); | |
637 | goto out; | |
638 | } | |
639 | ||
640 | bt_ctf_field_put(cpu_field); | |
641 | ||
642 | cs->cpu = cpu; | |
643 | cs->stream = stream; | |
644 | return cs; | |
645 | ||
646 | out: | |
647 | if (cpu_field) | |
648 | bt_ctf_field_put(cpu_field); | |
649 | if (stream) | |
650 | bt_ctf_stream_put(stream); | |
651 | ||
652 | free(cs); | |
653 | return NULL; | |
654 | } | |
655 | ||
656 | static void ctf_stream__delete(struct ctf_stream *cs) | |
657 | { | |
658 | if (cs) { | |
659 | bt_ctf_stream_put(cs->stream); | |
660 | free(cs); | |
661 | } | |
662 | } | |
663 | ||
664 | static struct ctf_stream *ctf_stream(struct ctf_writer *cw, int cpu) | |
665 | { | |
666 | struct ctf_stream *cs = cw->stream[cpu]; | |
667 | ||
668 | if (!cs) { | |
669 | cs = ctf_stream__create(cw, cpu); | |
670 | cw->stream[cpu] = cs; | |
671 | } | |
672 | ||
673 | return cs; | |
674 | } | |
675 | ||
676 | static int get_sample_cpu(struct ctf_writer *cw, struct perf_sample *sample, | |
677 | struct perf_evsel *evsel) | |
678 | { | |
679 | int cpu = 0; | |
680 | ||
681 | if (evsel->attr.sample_type & PERF_SAMPLE_CPU) | |
682 | cpu = sample->cpu; | |
683 | ||
684 | if (cpu > cw->stream_cnt) { | |
685 | pr_err("Event was recorded for CPU %d, limit is at %d.\n", | |
686 | cpu, cw->stream_cnt); | |
687 | cpu = 0; | |
688 | } | |
689 | ||
690 | return cpu; | |
691 | } | |
692 | ||
89e5fa88 JO |
693 | #define STREAM_FLUSH_COUNT 100000 |
694 | ||
695 | /* | |
696 | * Currently we have no other way to determine the | |
697 | * time for the stream flush other than keep track | |
698 | * of the number of events and check it against | |
699 | * threshold. | |
700 | */ | |
701 | static bool is_flush_needed(struct ctf_stream *cs) | |
702 | { | |
703 | return cs->count >= STREAM_FLUSH_COUNT; | |
704 | } | |
705 | ||
edbe9817 | 706 | static int process_sample_event(struct perf_tool *tool, |
b8f8eb84 | 707 | union perf_event *_event, |
edbe9817 JO |
708 | struct perf_sample *sample, |
709 | struct perf_evsel *evsel, | |
710 | struct machine *machine __maybe_unused) | |
711 | { | |
712 | struct convert *c = container_of(tool, struct convert, tool); | |
713 | struct evsel_priv *priv = evsel->priv; | |
714 | struct ctf_writer *cw = &c->writer; | |
90e129ff | 715 | struct ctf_stream *cs; |
edbe9817 JO |
716 | struct bt_ctf_event_class *event_class; |
717 | struct bt_ctf_event *event; | |
718 | int ret; | |
719 | ||
720 | if (WARN_ONCE(!priv, "Failed to setup all events.\n")) | |
721 | return 0; | |
722 | ||
723 | event_class = priv->event_class; | |
724 | ||
725 | /* update stats */ | |
726 | c->events_count++; | |
727 | c->events_size += _event->header.size; | |
728 | ||
729 | pr_time2(sample->time, "sample %" PRIu64 "\n", c->events_count); | |
730 | ||
731 | event = bt_ctf_event_create(event_class); | |
732 | if (!event) { | |
733 | pr_err("Failed to create an CTF event\n"); | |
734 | return -1; | |
735 | } | |
736 | ||
737 | bt_ctf_clock_set_time(cw->clock, sample->time); | |
738 | ||
739 | ret = add_generic_values(cw, event, evsel, sample); | |
740 | if (ret) | |
741 | return -1; | |
742 | ||
69364727 SAS |
743 | if (evsel->attr.type == PERF_TYPE_TRACEPOINT) { |
744 | ret = add_tracepoint_values(cw, event_class, event, | |
745 | evsel, sample); | |
746 | if (ret) | |
747 | return -1; | |
748 | } | |
749 | ||
6122d57e WN |
750 | if (perf_evsel__is_bpf_output(evsel)) { |
751 | ret = add_bpf_output_values(event_class, event, sample); | |
752 | if (ret) | |
753 | return -1; | |
754 | } | |
755 | ||
90e129ff | 756 | cs = ctf_stream(cw, get_sample_cpu(cw, sample, evsel)); |
89e5fa88 JO |
757 | if (cs) { |
758 | if (is_flush_needed(cs)) | |
759 | ctf_stream__flush(cs); | |
760 | ||
761 | cs->count++; | |
90e129ff | 762 | bt_ctf_stream_append_event(cs->stream, event); |
89e5fa88 | 763 | } |
90e129ff | 764 | |
edbe9817 | 765 | bt_ctf_event_put(event); |
90e129ff | 766 | return cs ? 0 : -1; |
edbe9817 JO |
767 | } |
768 | ||
f5a08ced WN |
769 | #define __NON_SAMPLE_SET_FIELD(_name, _type, _field) \ |
770 | do { \ | |
771 | ret = value_set_##_type(cw, event, #_field, _event->_name._field);\ | |
772 | if (ret) \ | |
773 | return -1; \ | |
774 | } while(0) | |
775 | ||
776 | #define __FUNC_PROCESS_NON_SAMPLE(_name, body) \ | |
777 | static int process_##_name##_event(struct perf_tool *tool, \ | |
778 | union perf_event *_event, \ | |
779 | struct perf_sample *sample, \ | |
780 | struct machine *machine) \ | |
781 | { \ | |
782 | struct convert *c = container_of(tool, struct convert, tool);\ | |
783 | struct ctf_writer *cw = &c->writer; \ | |
784 | struct bt_ctf_event_class *event_class = cw->_name##_class;\ | |
785 | struct bt_ctf_event *event; \ | |
786 | struct ctf_stream *cs; \ | |
787 | int ret; \ | |
788 | \ | |
789 | c->non_sample_count++; \ | |
790 | c->events_size += _event->header.size; \ | |
791 | event = bt_ctf_event_create(event_class); \ | |
792 | if (!event) { \ | |
793 | pr_err("Failed to create an CTF event\n"); \ | |
794 | return -1; \ | |
795 | } \ | |
796 | \ | |
797 | bt_ctf_clock_set_time(cw->clock, sample->time); \ | |
798 | body \ | |
799 | cs = ctf_stream(cw, 0); \ | |
800 | if (cs) { \ | |
801 | if (is_flush_needed(cs)) \ | |
802 | ctf_stream__flush(cs); \ | |
803 | \ | |
804 | cs->count++; \ | |
805 | bt_ctf_stream_append_event(cs->stream, event); \ | |
806 | } \ | |
807 | bt_ctf_event_put(event); \ | |
808 | \ | |
809 | return perf_event__process_##_name(tool, _event, sample, machine);\ | |
810 | } | |
811 | ||
812 | __FUNC_PROCESS_NON_SAMPLE(comm, | |
813 | __NON_SAMPLE_SET_FIELD(comm, u32, pid); | |
814 | __NON_SAMPLE_SET_FIELD(comm, u32, tid); | |
815 | __NON_SAMPLE_SET_FIELD(comm, string, comm); | |
816 | ) | |
ebccba3f WN |
817 | __FUNC_PROCESS_NON_SAMPLE(fork, |
818 | __NON_SAMPLE_SET_FIELD(fork, u32, pid); | |
819 | __NON_SAMPLE_SET_FIELD(fork, u32, ppid); | |
820 | __NON_SAMPLE_SET_FIELD(fork, u32, tid); | |
821 | __NON_SAMPLE_SET_FIELD(fork, u32, ptid); | |
822 | __NON_SAMPLE_SET_FIELD(fork, u64, time); | |
823 | ) | |
824 | ||
825 | __FUNC_PROCESS_NON_SAMPLE(exit, | |
826 | __NON_SAMPLE_SET_FIELD(fork, u32, pid); | |
827 | __NON_SAMPLE_SET_FIELD(fork, u32, ppid); | |
828 | __NON_SAMPLE_SET_FIELD(fork, u32, tid); | |
829 | __NON_SAMPLE_SET_FIELD(fork, u32, ptid); | |
830 | __NON_SAMPLE_SET_FIELD(fork, u64, time); | |
831 | ) | |
f5a08ced WN |
832 | #undef __NON_SAMPLE_SET_FIELD |
833 | #undef __FUNC_PROCESS_NON_SAMPLE | |
834 | ||
e0a7cce5 WN |
835 | /* If dup < 0, add a prefix. Else, add _dupl_X suffix. */ |
836 | static char *change_name(char *name, char *orig_name, int dup) | |
837 | { | |
838 | char *new_name = NULL; | |
839 | size_t len; | |
840 | ||
841 | if (!name) | |
842 | name = orig_name; | |
843 | ||
844 | if (dup >= 10) | |
845 | goto out; | |
846 | /* | |
847 | * Add '_' prefix to potential keywork. According to | |
848 | * Mathieu Desnoyers (https://lkml.org/lkml/2015/1/23/652), | |
849 | * futher CTF spec updating may require us to use '$'. | |
850 | */ | |
851 | if (dup < 0) | |
852 | len = strlen(name) + sizeof("_"); | |
853 | else | |
854 | len = strlen(orig_name) + sizeof("_dupl_X"); | |
855 | ||
856 | new_name = malloc(len); | |
857 | if (!new_name) | |
858 | goto out; | |
859 | ||
860 | if (dup < 0) | |
861 | snprintf(new_name, len, "_%s", name); | |
862 | else | |
863 | snprintf(new_name, len, "%s_dupl_%d", orig_name, dup); | |
864 | ||
865 | out: | |
866 | if (name != orig_name) | |
867 | free(name); | |
868 | return new_name; | |
869 | } | |
870 | ||
871 | static int event_class_add_field(struct bt_ctf_event_class *event_class, | |
872 | struct bt_ctf_field_type *type, | |
873 | struct format_field *field) | |
874 | { | |
875 | struct bt_ctf_field_type *t = NULL; | |
876 | char *name; | |
877 | int dup = 1; | |
878 | int ret; | |
879 | ||
880 | /* alias was already assigned */ | |
881 | if (field->alias != field->name) | |
882 | return bt_ctf_event_class_add_field(event_class, type, | |
883 | (char *)field->alias); | |
884 | ||
885 | name = field->name; | |
886 | ||
887 | /* If 'name' is a keywork, add prefix. */ | |
888 | if (bt_ctf_validate_identifier(name)) | |
889 | name = change_name(name, field->name, -1); | |
890 | ||
891 | if (!name) { | |
892 | pr_err("Failed to fix invalid identifier."); | |
893 | return -1; | |
894 | } | |
895 | while ((t = bt_ctf_event_class_get_field_by_name(event_class, name))) { | |
896 | bt_ctf_field_type_put(t); | |
897 | name = change_name(name, field->name, dup++); | |
898 | if (!name) { | |
899 | pr_err("Failed to create dup name for '%s'\n", field->name); | |
900 | return -1; | |
901 | } | |
902 | } | |
903 | ||
904 | ret = bt_ctf_event_class_add_field(event_class, type, name); | |
905 | if (!ret) | |
906 | field->alias = name; | |
907 | ||
908 | return ret; | |
909 | } | |
910 | ||
69364727 SAS |
911 | static int add_tracepoint_fields_types(struct ctf_writer *cw, |
912 | struct format_field *fields, | |
913 | struct bt_ctf_event_class *event_class) | |
914 | { | |
915 | struct format_field *field; | |
916 | int ret; | |
917 | ||
918 | for (field = fields; field; field = field->next) { | |
919 | struct bt_ctf_field_type *type; | |
920 | unsigned long flags = field->flags; | |
921 | ||
922 | pr2(" field '%s'\n", field->name); | |
923 | ||
924 | type = get_tracepoint_field_type(cw, field); | |
925 | if (!type) | |
926 | return -1; | |
927 | ||
928 | /* | |
929 | * A string is an array of chars. For this we use the string | |
930 | * type and don't care that it is an array. What we don't | |
931 | * support is an array of strings. | |
932 | */ | |
933 | if (flags & FIELD_IS_STRING) | |
934 | flags &= ~FIELD_IS_ARRAY; | |
935 | ||
936 | if (flags & FIELD_IS_ARRAY) | |
937 | type = bt_ctf_field_type_array_create(type, field->arraylen); | |
938 | ||
e0a7cce5 | 939 | ret = event_class_add_field(event_class, type, field); |
69364727 SAS |
940 | |
941 | if (flags & FIELD_IS_ARRAY) | |
942 | bt_ctf_field_type_put(type); | |
943 | ||
944 | if (ret) { | |
e0a7cce5 WN |
945 | pr_err("Failed to add field '%s': %d\n", |
946 | field->name, ret); | |
69364727 SAS |
947 | return -1; |
948 | } | |
949 | } | |
950 | ||
951 | return 0; | |
952 | } | |
953 | ||
954 | static int add_tracepoint_types(struct ctf_writer *cw, | |
955 | struct perf_evsel *evsel, | |
956 | struct bt_ctf_event_class *class) | |
957 | { | |
958 | struct format_field *common_fields = evsel->tp_format->format.common_fields; | |
959 | struct format_field *fields = evsel->tp_format->format.fields; | |
960 | int ret; | |
961 | ||
962 | ret = add_tracepoint_fields_types(cw, common_fields, class); | |
963 | if (!ret) | |
964 | ret = add_tracepoint_fields_types(cw, fields, class); | |
965 | ||
966 | return ret; | |
967 | } | |
968 | ||
6122d57e WN |
969 | static int add_bpf_output_types(struct ctf_writer *cw, |
970 | struct bt_ctf_event_class *class) | |
971 | { | |
972 | struct bt_ctf_field_type *len_type = cw->data.u32; | |
973 | struct bt_ctf_field_type *seq_base_type = cw->data.u32_hex; | |
974 | struct bt_ctf_field_type *seq_type; | |
975 | int ret; | |
976 | ||
977 | ret = bt_ctf_event_class_add_field(class, len_type, "raw_len"); | |
978 | if (ret) | |
979 | return ret; | |
980 | ||
981 | seq_type = bt_ctf_field_type_sequence_create(seq_base_type, "raw_len"); | |
982 | if (!seq_type) | |
983 | return -1; | |
984 | ||
985 | return bt_ctf_event_class_add_field(class, seq_type, "raw_data"); | |
986 | } | |
987 | ||
edbe9817 JO |
988 | static int add_generic_types(struct ctf_writer *cw, struct perf_evsel *evsel, |
989 | struct bt_ctf_event_class *event_class) | |
990 | { | |
991 | u64 type = evsel->attr.sample_type; | |
992 | ||
993 | /* | |
994 | * missing: | |
995 | * PERF_SAMPLE_TIME - not needed as we have it in | |
996 | * ctf event header | |
997 | * PERF_SAMPLE_READ - TODO | |
998 | * PERF_SAMPLE_CALLCHAIN - TODO | |
6122d57e WN |
999 | * PERF_SAMPLE_RAW - tracepoint fields and BPF output |
1000 | * are handled separately | |
edbe9817 JO |
1001 | * PERF_SAMPLE_BRANCH_STACK - TODO |
1002 | * PERF_SAMPLE_REGS_USER - TODO | |
1003 | * PERF_SAMPLE_STACK_USER - TODO | |
1004 | */ | |
1005 | ||
1006 | #define ADD_FIELD(cl, t, n) \ | |
1007 | do { \ | |
1008 | pr2(" field '%s'\n", n); \ | |
1009 | if (bt_ctf_event_class_add_field(cl, t, n)) { \ | |
e0a7cce5 | 1010 | pr_err("Failed to add field '%s';\n", n); \ |
edbe9817 JO |
1011 | return -1; \ |
1012 | } \ | |
1013 | } while (0) | |
1014 | ||
1015 | if (type & PERF_SAMPLE_IP) | |
54cf776a | 1016 | ADD_FIELD(event_class, cw->data.u64_hex, "perf_ip"); |
edbe9817 JO |
1017 | |
1018 | if (type & PERF_SAMPLE_TID) { | |
54cf776a SAS |
1019 | ADD_FIELD(event_class, cw->data.s32, "perf_tid"); |
1020 | ADD_FIELD(event_class, cw->data.s32, "perf_pid"); | |
edbe9817 JO |
1021 | } |
1022 | ||
1023 | if ((type & PERF_SAMPLE_ID) || | |
1024 | (type & PERF_SAMPLE_IDENTIFIER)) | |
54cf776a | 1025 | ADD_FIELD(event_class, cw->data.u64, "perf_id"); |
edbe9817 JO |
1026 | |
1027 | if (type & PERF_SAMPLE_STREAM_ID) | |
54cf776a | 1028 | ADD_FIELD(event_class, cw->data.u64, "perf_stream_id"); |
edbe9817 | 1029 | |
edbe9817 | 1030 | if (type & PERF_SAMPLE_PERIOD) |
54cf776a | 1031 | ADD_FIELD(event_class, cw->data.u64, "perf_period"); |
edbe9817 JO |
1032 | |
1033 | if (type & PERF_SAMPLE_WEIGHT) | |
54cf776a | 1034 | ADD_FIELD(event_class, cw->data.u64, "perf_weight"); |
edbe9817 JO |
1035 | |
1036 | if (type & PERF_SAMPLE_DATA_SRC) | |
54cf776a | 1037 | ADD_FIELD(event_class, cw->data.u64, "perf_data_src"); |
edbe9817 JO |
1038 | |
1039 | if (type & PERF_SAMPLE_TRANSACTION) | |
54cf776a | 1040 | ADD_FIELD(event_class, cw->data.u64, "perf_transaction"); |
edbe9817 JO |
1041 | |
1042 | #undef ADD_FIELD | |
1043 | return 0; | |
1044 | } | |
1045 | ||
1046 | static int add_event(struct ctf_writer *cw, struct perf_evsel *evsel) | |
1047 | { | |
1048 | struct bt_ctf_event_class *event_class; | |
1049 | struct evsel_priv *priv; | |
1050 | const char *name = perf_evsel__name(evsel); | |
1051 | int ret; | |
1052 | ||
1053 | pr("Adding event '%s' (type %d)\n", name, evsel->attr.type); | |
1054 | ||
1055 | event_class = bt_ctf_event_class_create(name); | |
1056 | if (!event_class) | |
1057 | return -1; | |
1058 | ||
1059 | ret = add_generic_types(cw, evsel, event_class); | |
1060 | if (ret) | |
1061 | goto err; | |
1062 | ||
69364727 SAS |
1063 | if (evsel->attr.type == PERF_TYPE_TRACEPOINT) { |
1064 | ret = add_tracepoint_types(cw, evsel, event_class); | |
1065 | if (ret) | |
1066 | goto err; | |
1067 | } | |
1068 | ||
6122d57e WN |
1069 | if (perf_evsel__is_bpf_output(evsel)) { |
1070 | ret = add_bpf_output_types(cw, event_class); | |
1071 | if (ret) | |
1072 | goto err; | |
1073 | } | |
1074 | ||
edbe9817 JO |
1075 | ret = bt_ctf_stream_class_add_event_class(cw->stream_class, event_class); |
1076 | if (ret) { | |
1077 | pr("Failed to add event class into stream.\n"); | |
1078 | goto err; | |
1079 | } | |
1080 | ||
1081 | priv = malloc(sizeof(*priv)); | |
1082 | if (!priv) | |
1083 | goto err; | |
1084 | ||
1085 | priv->event_class = event_class; | |
1086 | evsel->priv = priv; | |
1087 | return 0; | |
1088 | ||
1089 | err: | |
1090 | bt_ctf_event_class_put(event_class); | |
1091 | pr_err("Failed to add event '%s'.\n", name); | |
1092 | return -1; | |
1093 | } | |
1094 | ||
1095 | static int setup_events(struct ctf_writer *cw, struct perf_session *session) | |
1096 | { | |
1097 | struct perf_evlist *evlist = session->evlist; | |
1098 | struct perf_evsel *evsel; | |
1099 | int ret; | |
1100 | ||
e5cadb93 | 1101 | evlist__for_each_entry(evlist, evsel) { |
edbe9817 JO |
1102 | ret = add_event(cw, evsel); |
1103 | if (ret) | |
1104 | return ret; | |
1105 | } | |
1106 | return 0; | |
1107 | } | |
1108 | ||
f5a08ced WN |
1109 | #define __NON_SAMPLE_ADD_FIELD(t, n) \ |
1110 | do { \ | |
1111 | pr2(" field '%s'\n", #n); \ | |
1112 | if (bt_ctf_event_class_add_field(event_class, cw->data.t, #n)) {\ | |
1113 | pr_err("Failed to add field '%s';\n", #n);\ | |
1114 | return -1; \ | |
1115 | } \ | |
1116 | } while(0) | |
1117 | ||
1118 | #define __FUNC_ADD_NON_SAMPLE_EVENT_CLASS(_name, body) \ | |
1119 | static int add_##_name##_event(struct ctf_writer *cw) \ | |
1120 | { \ | |
1121 | struct bt_ctf_event_class *event_class; \ | |
1122 | int ret; \ | |
1123 | \ | |
1124 | pr("Adding "#_name" event\n"); \ | |
1125 | event_class = bt_ctf_event_class_create("perf_" #_name);\ | |
1126 | if (!event_class) \ | |
1127 | return -1; \ | |
1128 | body \ | |
1129 | \ | |
1130 | ret = bt_ctf_stream_class_add_event_class(cw->stream_class, event_class);\ | |
1131 | if (ret) { \ | |
1132 | pr("Failed to add event class '"#_name"' into stream.\n");\ | |
1133 | return ret; \ | |
1134 | } \ | |
1135 | \ | |
1136 | cw->_name##_class = event_class; \ | |
1137 | bt_ctf_event_class_put(event_class); \ | |
1138 | return 0; \ | |
1139 | } | |
1140 | ||
1141 | __FUNC_ADD_NON_SAMPLE_EVENT_CLASS(comm, | |
1142 | __NON_SAMPLE_ADD_FIELD(u32, pid); | |
1143 | __NON_SAMPLE_ADD_FIELD(u32, tid); | |
1144 | __NON_SAMPLE_ADD_FIELD(string, comm); | |
1145 | ) | |
1146 | ||
ebccba3f WN |
1147 | __FUNC_ADD_NON_SAMPLE_EVENT_CLASS(fork, |
1148 | __NON_SAMPLE_ADD_FIELD(u32, pid); | |
1149 | __NON_SAMPLE_ADD_FIELD(u32, ppid); | |
1150 | __NON_SAMPLE_ADD_FIELD(u32, tid); | |
1151 | __NON_SAMPLE_ADD_FIELD(u32, ptid); | |
1152 | __NON_SAMPLE_ADD_FIELD(u64, time); | |
1153 | ) | |
1154 | ||
1155 | __FUNC_ADD_NON_SAMPLE_EVENT_CLASS(exit, | |
1156 | __NON_SAMPLE_ADD_FIELD(u32, pid); | |
1157 | __NON_SAMPLE_ADD_FIELD(u32, ppid); | |
1158 | __NON_SAMPLE_ADD_FIELD(u32, tid); | |
1159 | __NON_SAMPLE_ADD_FIELD(u32, ptid); | |
1160 | __NON_SAMPLE_ADD_FIELD(u64, time); | |
1161 | ) | |
1162 | ||
f5a08ced WN |
1163 | #undef __NON_SAMPLE_ADD_FIELD |
1164 | #undef __FUNC_ADD_NON_SAMPLE_EVENT_CLASS | |
1165 | ||
1166 | static int setup_non_sample_events(struct ctf_writer *cw, | |
1167 | struct perf_session *session __maybe_unused) | |
1168 | { | |
1169 | int ret; | |
1170 | ||
1171 | ret = add_comm_event(cw); | |
ebccba3f WN |
1172 | if (ret) |
1173 | return ret; | |
1174 | ret = add_exit_event(cw); | |
1175 | if (ret) | |
1176 | return ret; | |
1177 | ret = add_fork_event(cw); | |
f5a08ced WN |
1178 | if (ret) |
1179 | return ret; | |
1180 | return 0; | |
1181 | } | |
1182 | ||
5141d735 WN |
1183 | static void cleanup_events(struct perf_session *session) |
1184 | { | |
1185 | struct perf_evlist *evlist = session->evlist; | |
1186 | struct perf_evsel *evsel; | |
1187 | ||
e5cadb93 | 1188 | evlist__for_each_entry(evlist, evsel) { |
5141d735 WN |
1189 | struct evsel_priv *priv; |
1190 | ||
1191 | priv = evsel->priv; | |
1192 | bt_ctf_event_class_put(priv->event_class); | |
1193 | zfree(&evsel->priv); | |
1194 | } | |
1195 | ||
1196 | perf_evlist__delete(evlist); | |
1197 | session->evlist = NULL; | |
1198 | } | |
1199 | ||
90e129ff SAS |
1200 | static int setup_streams(struct ctf_writer *cw, struct perf_session *session) |
1201 | { | |
1202 | struct ctf_stream **stream; | |
1203 | struct perf_header *ph = &session->header; | |
1204 | int ncpus; | |
1205 | ||
1206 | /* | |
1207 | * Try to get the number of cpus used in the data file, | |
1208 | * if not present fallback to the MAX_CPUS. | |
1209 | */ | |
1210 | ncpus = ph->env.nr_cpus_avail ?: MAX_CPUS; | |
1211 | ||
1212 | stream = zalloc(sizeof(*stream) * ncpus); | |
1213 | if (!stream) { | |
1214 | pr_err("Failed to allocate streams.\n"); | |
1215 | return -ENOMEM; | |
1216 | } | |
1217 | ||
1218 | cw->stream = stream; | |
1219 | cw->stream_cnt = ncpus; | |
1220 | return 0; | |
1221 | } | |
1222 | ||
1223 | static void free_streams(struct ctf_writer *cw) | |
1224 | { | |
1225 | int cpu; | |
1226 | ||
1227 | for (cpu = 0; cpu < cw->stream_cnt; cpu++) | |
1228 | ctf_stream__delete(cw->stream[cpu]); | |
1229 | ||
1230 | free(cw->stream); | |
1231 | } | |
1232 | ||
edbe9817 JO |
1233 | static int ctf_writer__setup_env(struct ctf_writer *cw, |
1234 | struct perf_session *session) | |
1235 | { | |
1236 | struct perf_header *header = &session->header; | |
1237 | struct bt_ctf_writer *writer = cw->writer; | |
1238 | ||
1239 | #define ADD(__n, __v) \ | |
1240 | do { \ | |
1241 | if (bt_ctf_writer_add_environment_field(writer, __n, __v)) \ | |
1242 | return -1; \ | |
1243 | } while (0) | |
1244 | ||
1245 | ADD("host", header->env.hostname); | |
1246 | ADD("sysname", "Linux"); | |
1247 | ADD("release", header->env.os_release); | |
1248 | ADD("version", header->env.version); | |
1249 | ADD("machine", header->env.arch); | |
1250 | ADD("domain", "kernel"); | |
1251 | ADD("tracer_name", "perf"); | |
1252 | ||
1253 | #undef ADD | |
1254 | return 0; | |
1255 | } | |
1256 | ||
1257 | static int ctf_writer__setup_clock(struct ctf_writer *cw) | |
1258 | { | |
1259 | struct bt_ctf_clock *clock = cw->clock; | |
1260 | ||
1261 | bt_ctf_clock_set_description(clock, "perf clock"); | |
1262 | ||
1263 | #define SET(__n, __v) \ | |
1264 | do { \ | |
1265 | if (bt_ctf_clock_set_##__n(clock, __v)) \ | |
1266 | return -1; \ | |
1267 | } while (0) | |
1268 | ||
1269 | SET(frequency, 1000000000); | |
1270 | SET(offset_s, 0); | |
1271 | SET(offset, 0); | |
1272 | SET(precision, 10); | |
1273 | SET(is_absolute, 0); | |
1274 | ||
1275 | #undef SET | |
1276 | return 0; | |
1277 | } | |
1278 | ||
1279 | static struct bt_ctf_field_type *create_int_type(int size, bool sign, bool hex) | |
1280 | { | |
1281 | struct bt_ctf_field_type *type; | |
1282 | ||
1283 | type = bt_ctf_field_type_integer_create(size); | |
1284 | if (!type) | |
1285 | return NULL; | |
1286 | ||
1287 | if (sign && | |
1288 | bt_ctf_field_type_integer_set_signed(type, 1)) | |
1289 | goto err; | |
1290 | ||
1291 | if (hex && | |
1292 | bt_ctf_field_type_integer_set_base(type, BT_CTF_INTEGER_BASE_HEXADECIMAL)) | |
1293 | goto err; | |
1294 | ||
f8dd2d5f WN |
1295 | #if __BYTE_ORDER == __BIG_ENDIAN |
1296 | bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_BIG_ENDIAN); | |
1297 | #else | |
1298 | bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_LITTLE_ENDIAN); | |
1299 | #endif | |
1300 | ||
edbe9817 JO |
1301 | pr2("Created type: INTEGER %d-bit %ssigned %s\n", |
1302 | size, sign ? "un" : "", hex ? "hex" : ""); | |
1303 | return type; | |
1304 | ||
1305 | err: | |
1306 | bt_ctf_field_type_put(type); | |
1307 | return NULL; | |
1308 | } | |
1309 | ||
1310 | static void ctf_writer__cleanup_data(struct ctf_writer *cw) | |
1311 | { | |
1312 | unsigned int i; | |
1313 | ||
1314 | for (i = 0; i < ARRAY_SIZE(cw->data.array); i++) | |
1315 | bt_ctf_field_type_put(cw->data.array[i]); | |
1316 | } | |
1317 | ||
1318 | static int ctf_writer__init_data(struct ctf_writer *cw) | |
1319 | { | |
1320 | #define CREATE_INT_TYPE(type, size, sign, hex) \ | |
1321 | do { \ | |
1322 | (type) = create_int_type(size, sign, hex); \ | |
1323 | if (!(type)) \ | |
1324 | goto err; \ | |
1325 | } while (0) | |
1326 | ||
1327 | CREATE_INT_TYPE(cw->data.s64, 64, true, false); | |
1328 | CREATE_INT_TYPE(cw->data.u64, 64, false, false); | |
1329 | CREATE_INT_TYPE(cw->data.s32, 32, true, false); | |
1330 | CREATE_INT_TYPE(cw->data.u32, 32, false, false); | |
26812d46 | 1331 | CREATE_INT_TYPE(cw->data.u32_hex, 32, false, true); |
edbe9817 JO |
1332 | CREATE_INT_TYPE(cw->data.u64_hex, 64, false, true); |
1333 | ||
1334 | cw->data.string = bt_ctf_field_type_string_create(); | |
1335 | if (cw->data.string) | |
1336 | return 0; | |
1337 | ||
1338 | err: | |
1339 | ctf_writer__cleanup_data(cw); | |
1340 | pr_err("Failed to create data types.\n"); | |
1341 | return -1; | |
1342 | } | |
1343 | ||
1344 | static void ctf_writer__cleanup(struct ctf_writer *cw) | |
1345 | { | |
1346 | ctf_writer__cleanup_data(cw); | |
1347 | ||
1348 | bt_ctf_clock_put(cw->clock); | |
90e129ff | 1349 | free_streams(cw); |
edbe9817 JO |
1350 | bt_ctf_stream_class_put(cw->stream_class); |
1351 | bt_ctf_writer_put(cw->writer); | |
1352 | ||
1353 | /* and NULL all the pointers */ | |
1354 | memset(cw, 0, sizeof(*cw)); | |
1355 | } | |
1356 | ||
1357 | static int ctf_writer__init(struct ctf_writer *cw, const char *path) | |
1358 | { | |
1359 | struct bt_ctf_writer *writer; | |
1360 | struct bt_ctf_stream_class *stream_class; | |
edbe9817 | 1361 | struct bt_ctf_clock *clock; |
90e129ff SAS |
1362 | struct bt_ctf_field_type *pkt_ctx_type; |
1363 | int ret; | |
edbe9817 JO |
1364 | |
1365 | /* CTF writer */ | |
1366 | writer = bt_ctf_writer_create(path); | |
1367 | if (!writer) | |
1368 | goto err; | |
1369 | ||
1370 | cw->writer = writer; | |
1371 | ||
1372 | /* CTF clock */ | |
1373 | clock = bt_ctf_clock_create("perf_clock"); | |
1374 | if (!clock) { | |
1375 | pr("Failed to create CTF clock.\n"); | |
1376 | goto err_cleanup; | |
1377 | } | |
1378 | ||
1379 | cw->clock = clock; | |
1380 | ||
1381 | if (ctf_writer__setup_clock(cw)) { | |
1382 | pr("Failed to setup CTF clock.\n"); | |
1383 | goto err_cleanup; | |
1384 | } | |
1385 | ||
1386 | /* CTF stream class */ | |
1387 | stream_class = bt_ctf_stream_class_create("perf_stream"); | |
1388 | if (!stream_class) { | |
1389 | pr("Failed to create CTF stream class.\n"); | |
1390 | goto err_cleanup; | |
1391 | } | |
1392 | ||
1393 | cw->stream_class = stream_class; | |
1394 | ||
1395 | /* CTF clock stream setup */ | |
1396 | if (bt_ctf_stream_class_set_clock(stream_class, clock)) { | |
1397 | pr("Failed to assign CTF clock to stream class.\n"); | |
1398 | goto err_cleanup; | |
1399 | } | |
1400 | ||
1401 | if (ctf_writer__init_data(cw)) | |
1402 | goto err_cleanup; | |
1403 | ||
90e129ff SAS |
1404 | /* Add cpu_id for packet context */ |
1405 | pkt_ctx_type = bt_ctf_stream_class_get_packet_context_type(stream_class); | |
1406 | if (!pkt_ctx_type) | |
edbe9817 | 1407 | goto err_cleanup; |
edbe9817 | 1408 | |
90e129ff SAS |
1409 | ret = bt_ctf_field_type_structure_add_field(pkt_ctx_type, cw->data.u32, "cpu_id"); |
1410 | bt_ctf_field_type_put(pkt_ctx_type); | |
1411 | if (ret) | |
1412 | goto err_cleanup; | |
edbe9817 JO |
1413 | |
1414 | /* CTF clock writer setup */ | |
1415 | if (bt_ctf_writer_add_clock(writer, clock)) { | |
1416 | pr("Failed to assign CTF clock to writer.\n"); | |
1417 | goto err_cleanup; | |
1418 | } | |
1419 | ||
1420 | return 0; | |
1421 | ||
1422 | err_cleanup: | |
1423 | ctf_writer__cleanup(cw); | |
1424 | err: | |
1425 | pr_err("Failed to setup CTF writer.\n"); | |
1426 | return -1; | |
1427 | } | |
1428 | ||
90e129ff SAS |
1429 | static int ctf_writer__flush_streams(struct ctf_writer *cw) |
1430 | { | |
1431 | int cpu, ret = 0; | |
1432 | ||
1433 | for (cpu = 0; cpu < cw->stream_cnt && !ret; cpu++) | |
1434 | ret = ctf_stream__flush(cw->stream[cpu]); | |
1435 | ||
1436 | return ret; | |
1437 | } | |
1438 | ||
8fa46753 JO |
1439 | static int convert__config(const char *var, const char *value, void *cb) |
1440 | { | |
1441 | struct convert *c = cb; | |
1442 | ||
1443 | if (!strcmp(var, "convert.queue-size")) { | |
1444 | c->queue_size = perf_config_u64(var, value); | |
1445 | return 0; | |
1446 | } | |
1447 | ||
b8cbb349 | 1448 | return 0; |
8fa46753 JO |
1449 | } |
1450 | ||
3275f68e WN |
1451 | int bt_convert__perf2ctf(const char *input, const char *path, |
1452 | struct perf_data_convert_opts *opts) | |
edbe9817 JO |
1453 | { |
1454 | struct perf_session *session; | |
1455 | struct perf_data_file file = { | |
1456 | .path = input, | |
1457 | .mode = PERF_DATA_MODE_READ, | |
3275f68e | 1458 | .force = opts->force, |
edbe9817 JO |
1459 | }; |
1460 | struct convert c = { | |
1461 | .tool = { | |
1462 | .sample = process_sample_event, | |
1463 | .mmap = perf_event__process_mmap, | |
1464 | .mmap2 = perf_event__process_mmap2, | |
1465 | .comm = perf_event__process_comm, | |
1466 | .exit = perf_event__process_exit, | |
1467 | .fork = perf_event__process_fork, | |
1468 | .lost = perf_event__process_lost, | |
1469 | .tracing_data = perf_event__process_tracing_data, | |
1470 | .build_id = perf_event__process_build_id, | |
f3b3614a | 1471 | .namespaces = perf_event__process_namespaces, |
edbe9817 JO |
1472 | .ordered_events = true, |
1473 | .ordering_requires_timestamps = true, | |
1474 | }, | |
1475 | }; | |
1476 | struct ctf_writer *cw = &c.writer; | |
ecc4c561 | 1477 | int err; |
edbe9817 | 1478 | |
ebccba3f | 1479 | if (opts->all) { |
f5a08ced | 1480 | c.tool.comm = process_comm_event; |
ebccba3f WN |
1481 | c.tool.exit = process_exit_event; |
1482 | c.tool.fork = process_fork_event; | |
1483 | } | |
f5a08ced | 1484 | |
ecc4c561 ACM |
1485 | err = perf_config(convert__config, &c); |
1486 | if (err) | |
1487 | return err; | |
8fa46753 | 1488 | |
edbe9817 JO |
1489 | /* CTF writer */ |
1490 | if (ctf_writer__init(cw, path)) | |
1491 | return -1; | |
1492 | ||
ecc4c561 | 1493 | err = -1; |
edbe9817 | 1494 | /* perf.data session */ |
b7b61cbe | 1495 | session = perf_session__new(&file, 0, &c.tool); |
edbe9817 JO |
1496 | if (!session) |
1497 | goto free_writer; | |
1498 | ||
8fa46753 JO |
1499 | if (c.queue_size) { |
1500 | ordered_events__set_alloc_size(&session->ordered_events, | |
1501 | c.queue_size); | |
1502 | } | |
1503 | ||
edbe9817 JO |
1504 | /* CTF writer env/clock setup */ |
1505 | if (ctf_writer__setup_env(cw, session)) | |
1506 | goto free_session; | |
1507 | ||
1508 | /* CTF events setup */ | |
1509 | if (setup_events(cw, session)) | |
1510 | goto free_session; | |
1511 | ||
f5a08ced WN |
1512 | if (opts->all && setup_non_sample_events(cw, session)) |
1513 | goto free_session; | |
1514 | ||
90e129ff SAS |
1515 | if (setup_streams(cw, session)) |
1516 | goto free_session; | |
1517 | ||
b7b61cbe | 1518 | err = perf_session__process_events(session); |
edbe9817 | 1519 | if (!err) |
90e129ff | 1520 | err = ctf_writer__flush_streams(cw); |
c2141055 HK |
1521 | else |
1522 | pr_err("Error during conversion.\n"); | |
edbe9817 JO |
1523 | |
1524 | fprintf(stderr, | |
1525 | "[ perf data convert: Converted '%s' into CTF data '%s' ]\n", | |
1526 | file.path, path); | |
1527 | ||
1528 | fprintf(stderr, | |
8ee4c46c | 1529 | "[ perf data convert: Converted and wrote %.3f MB (%" PRIu64 " samples", |
edbe9817 JO |
1530 | (double) c.events_size / 1024.0 / 1024.0, |
1531 | c.events_count); | |
1532 | ||
8ee4c46c WN |
1533 | if (!c.non_sample_count) |
1534 | fprintf(stderr, ") ]\n"); | |
1535 | else | |
1536 | fprintf(stderr, ", %" PRIu64 " non-samples) ]\n", c.non_sample_count); | |
1537 | ||
5141d735 | 1538 | cleanup_events(session); |
edbe9817 | 1539 | perf_session__delete(session); |
c2141055 | 1540 | ctf_writer__cleanup(cw); |
edbe9817 | 1541 | |
c2141055 HK |
1542 | return err; |
1543 | ||
1544 | free_session: | |
1545 | perf_session__delete(session); | |
edbe9817 JO |
1546 | free_writer: |
1547 | ctf_writer__cleanup(cw); | |
c2141055 | 1548 | pr_err("Error during conversion setup.\n"); |
edbe9817 JO |
1549 | return err; |
1550 | } |