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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 | ||
a43783ae | 10 | #include <errno.h> |
fd20e811 | 11 | #include <inttypes.h> |
edbe9817 | 12 | #include <linux/compiler.h> |
877a7a11 | 13 | #include <linux/kernel.h> |
edbe9817 JO |
14 | #include <babeltrace/ctf-writer/writer.h> |
15 | #include <babeltrace/ctf-writer/clock.h> | |
16 | #include <babeltrace/ctf-writer/stream.h> | |
17 | #include <babeltrace/ctf-writer/event.h> | |
18 | #include <babeltrace/ctf-writer/event-types.h> | |
19 | #include <babeltrace/ctf-writer/event-fields.h> | |
e0a7cce5 | 20 | #include <babeltrace/ctf-ir/utils.h> |
edbe9817 JO |
21 | #include <babeltrace/ctf/events.h> |
22 | #include <traceevent/event-parse.h> | |
23 | #include "asm/bug.h" | |
24 | #include "data-convert-bt.h" | |
25 | #include "session.h" | |
26 | #include "util.h" | |
27 | #include "debug.h" | |
28 | #include "tool.h" | |
29 | #include "evlist.h" | |
30 | #include "evsel.h" | |
31 | #include "machine.h" | |
f6c12a00 | 32 | #include "config.h" |
3d689ed6 | 33 | #include "sane_ctype.h" |
edbe9817 JO |
34 | |
35 | #define pr_N(n, fmt, ...) \ | |
36 | eprintf(n, debug_data_convert, fmt, ##__VA_ARGS__) | |
37 | ||
38 | #define pr(fmt, ...) pr_N(1, pr_fmt(fmt), ##__VA_ARGS__) | |
39 | #define pr2(fmt, ...) pr_N(2, pr_fmt(fmt), ##__VA_ARGS__) | |
40 | ||
41 | #define pr_time2(t, fmt, ...) pr_time_N(2, debug_data_convert, t, pr_fmt(fmt), ##__VA_ARGS__) | |
42 | ||
43 | struct evsel_priv { | |
44 | struct bt_ctf_event_class *event_class; | |
45 | }; | |
46 | ||
90e129ff SAS |
47 | #define MAX_CPUS 4096 |
48 | ||
49 | struct ctf_stream { | |
50 | struct bt_ctf_stream *stream; | |
51 | int cpu; | |
89e5fa88 | 52 | u32 count; |
90e129ff SAS |
53 | }; |
54 | ||
edbe9817 JO |
55 | struct ctf_writer { |
56 | /* writer primitives */ | |
90e129ff SAS |
57 | struct bt_ctf_writer *writer; |
58 | struct ctf_stream **stream; | |
59 | int stream_cnt; | |
60 | struct bt_ctf_stream_class *stream_class; | |
61 | struct bt_ctf_clock *clock; | |
edbe9817 JO |
62 | |
63 | /* data types */ | |
64 | union { | |
65 | struct { | |
66 | struct bt_ctf_field_type *s64; | |
67 | struct bt_ctf_field_type *u64; | |
68 | struct bt_ctf_field_type *s32; | |
69 | struct bt_ctf_field_type *u32; | |
70 | struct bt_ctf_field_type *string; | |
26812d46 | 71 | struct bt_ctf_field_type *u32_hex; |
edbe9817 JO |
72 | struct bt_ctf_field_type *u64_hex; |
73 | }; | |
74 | struct bt_ctf_field_type *array[6]; | |
75 | } data; | |
f5a08ced | 76 | struct bt_ctf_event_class *comm_class; |
ebccba3f WN |
77 | struct bt_ctf_event_class *exit_class; |
78 | struct bt_ctf_event_class *fork_class; | |
edbe9817 JO |
79 | }; |
80 | ||
81 | struct convert { | |
82 | struct perf_tool tool; | |
83 | struct ctf_writer writer; | |
84 | ||
85 | u64 events_size; | |
86 | u64 events_count; | |
8ee4c46c | 87 | u64 non_sample_count; |
8fa46753 JO |
88 | |
89 | /* Ordered events configured queue size. */ | |
90 | u64 queue_size; | |
edbe9817 JO |
91 | }; |
92 | ||
93 | static int value_set(struct bt_ctf_field_type *type, | |
94 | struct bt_ctf_event *event, | |
95 | const char *name, u64 val) | |
96 | { | |
97 | struct bt_ctf_field *field; | |
98 | bool sign = bt_ctf_field_type_integer_get_signed(type); | |
99 | int ret; | |
100 | ||
101 | field = bt_ctf_field_create(type); | |
102 | if (!field) { | |
103 | pr_err("failed to create a field %s\n", name); | |
104 | return -1; | |
105 | } | |
106 | ||
107 | if (sign) { | |
108 | ret = bt_ctf_field_signed_integer_set_value(field, val); | |
109 | if (ret) { | |
110 | pr_err("failed to set field value %s\n", name); | |
111 | goto err; | |
112 | } | |
113 | } else { | |
114 | ret = bt_ctf_field_unsigned_integer_set_value(field, val); | |
115 | if (ret) { | |
116 | pr_err("failed to set field value %s\n", name); | |
117 | goto err; | |
118 | } | |
119 | } | |
120 | ||
121 | ret = bt_ctf_event_set_payload(event, name, field); | |
122 | if (ret) { | |
123 | pr_err("failed to set payload %s\n", name); | |
124 | goto err; | |
125 | } | |
126 | ||
127 | pr2(" SET [%s = %" PRIu64 "]\n", name, val); | |
128 | ||
129 | err: | |
130 | bt_ctf_field_put(field); | |
131 | return ret; | |
132 | } | |
133 | ||
134 | #define __FUNC_VALUE_SET(_name, _val_type) \ | |
135 | static __maybe_unused int value_set_##_name(struct ctf_writer *cw, \ | |
136 | struct bt_ctf_event *event, \ | |
137 | const char *name, \ | |
138 | _val_type val) \ | |
139 | { \ | |
140 | struct bt_ctf_field_type *type = cw->data._name; \ | |
141 | return value_set(type, event, name, (u64) val); \ | |
142 | } | |
143 | ||
144 | #define FUNC_VALUE_SET(_name) __FUNC_VALUE_SET(_name, _name) | |
145 | ||
146 | FUNC_VALUE_SET(s32) | |
147 | FUNC_VALUE_SET(u32) | |
148 | FUNC_VALUE_SET(s64) | |
149 | FUNC_VALUE_SET(u64) | |
150 | __FUNC_VALUE_SET(u64_hex, u64) | |
151 | ||
069ee5c4 WN |
152 | static int string_set_value(struct bt_ctf_field *field, const char *string); |
153 | static __maybe_unused int | |
154 | value_set_string(struct ctf_writer *cw, struct bt_ctf_event *event, | |
155 | const char *name, const char *string) | |
156 | { | |
157 | struct bt_ctf_field_type *type = cw->data.string; | |
158 | struct bt_ctf_field *field; | |
159 | int ret = 0; | |
160 | ||
161 | field = bt_ctf_field_create(type); | |
162 | if (!field) { | |
163 | pr_err("failed to create a field %s\n", name); | |
164 | return -1; | |
165 | } | |
166 | ||
167 | ret = string_set_value(field, string); | |
168 | if (ret) { | |
169 | pr_err("failed to set value %s\n", name); | |
170 | goto err_put_field; | |
171 | } | |
172 | ||
173 | ret = bt_ctf_event_set_payload(event, name, field); | |
174 | if (ret) | |
175 | pr_err("failed to set payload %s\n", name); | |
176 | ||
177 | err_put_field: | |
178 | bt_ctf_field_put(field); | |
179 | return ret; | |
180 | } | |
181 | ||
69364727 SAS |
182 | static struct bt_ctf_field_type* |
183 | get_tracepoint_field_type(struct ctf_writer *cw, struct format_field *field) | |
184 | { | |
185 | unsigned long flags = field->flags; | |
186 | ||
187 | if (flags & FIELD_IS_STRING) | |
188 | return cw->data.string; | |
189 | ||
190 | if (!(flags & FIELD_IS_SIGNED)) { | |
191 | /* unsigned long are mostly pointers */ | |
192 | if (flags & FIELD_IS_LONG || flags & FIELD_IS_POINTER) | |
193 | return cw->data.u64_hex; | |
194 | } | |
195 | ||
196 | if (flags & FIELD_IS_SIGNED) { | |
197 | if (field->size == 8) | |
198 | return cw->data.s64; | |
199 | else | |
200 | return cw->data.s32; | |
201 | } | |
202 | ||
203 | if (field->size == 8) | |
204 | return cw->data.u64; | |
205 | else | |
206 | return cw->data.u32; | |
207 | } | |
208 | ||
d4ae4213 WN |
209 | static unsigned long long adjust_signedness(unsigned long long value_int, int size) |
210 | { | |
211 | unsigned long long value_mask; | |
212 | ||
213 | /* | |
214 | * value_mask = (1 << (size * 8 - 1)) - 1. | |
215 | * Directly set value_mask for code readers. | |
216 | */ | |
217 | switch (size) { | |
218 | case 1: | |
219 | value_mask = 0x7fULL; | |
220 | break; | |
221 | case 2: | |
222 | value_mask = 0x7fffULL; | |
223 | break; | |
224 | case 4: | |
225 | value_mask = 0x7fffffffULL; | |
226 | break; | |
227 | case 8: | |
228 | /* | |
229 | * For 64 bit value, return it self. There is no need | |
230 | * to fill high bit. | |
231 | */ | |
232 | /* Fall through */ | |
233 | default: | |
234 | /* BUG! */ | |
235 | return value_int; | |
236 | } | |
237 | ||
238 | /* If it is a positive value, don't adjust. */ | |
239 | if ((value_int & (~0ULL - value_mask)) == 0) | |
240 | return value_int; | |
241 | ||
242 | /* Fill upper part of value_int with 1 to make it a negative long long. */ | |
243 | return (value_int & value_mask) | ~value_mask; | |
244 | } | |
245 | ||
5ea5888b WN |
246 | static int string_set_value(struct bt_ctf_field *field, const char *string) |
247 | { | |
248 | char *buffer = NULL; | |
249 | size_t len = strlen(string), i, p; | |
250 | int err; | |
251 | ||
252 | for (i = p = 0; i < len; i++, p++) { | |
253 | if (isprint(string[i])) { | |
254 | if (!buffer) | |
255 | continue; | |
256 | buffer[p] = string[i]; | |
257 | } else { | |
258 | char numstr[5]; | |
259 | ||
260 | snprintf(numstr, sizeof(numstr), "\\x%02x", | |
261 | (unsigned int)(string[i]) & 0xff); | |
262 | ||
263 | if (!buffer) { | |
264 | buffer = zalloc(i + (len - i) * 4 + 2); | |
265 | if (!buffer) { | |
266 | pr_err("failed to set unprintable string '%s'\n", string); | |
267 | return bt_ctf_field_string_set_value(field, "UNPRINTABLE-STRING"); | |
268 | } | |
269 | if (i > 0) | |
270 | strncpy(buffer, string, i); | |
271 | } | |
272 | strncat(buffer + p, numstr, 4); | |
273 | p += 3; | |
274 | } | |
275 | } | |
276 | ||
277 | if (!buffer) | |
278 | return bt_ctf_field_string_set_value(field, string); | |
279 | err = bt_ctf_field_string_set_value(field, buffer); | |
280 | free(buffer); | |
281 | return err; | |
282 | } | |
283 | ||
69364727 SAS |
284 | static int add_tracepoint_field_value(struct ctf_writer *cw, |
285 | struct bt_ctf_event_class *event_class, | |
286 | struct bt_ctf_event *event, | |
287 | struct perf_sample *sample, | |
288 | struct format_field *fmtf) | |
289 | { | |
290 | struct bt_ctf_field_type *type; | |
291 | struct bt_ctf_field *array_field; | |
292 | struct bt_ctf_field *field; | |
293 | const char *name = fmtf->name; | |
294 | void *data = sample->raw_data; | |
69364727 SAS |
295 | unsigned long flags = fmtf->flags; |
296 | unsigned int n_items; | |
297 | unsigned int i; | |
298 | unsigned int offset; | |
299 | unsigned int len; | |
300 | int ret; | |
301 | ||
e0a7cce5 | 302 | name = fmtf->alias; |
69364727 SAS |
303 | offset = fmtf->offset; |
304 | len = fmtf->size; | |
305 | if (flags & FIELD_IS_STRING) | |
306 | flags &= ~FIELD_IS_ARRAY; | |
307 | ||
308 | if (flags & FIELD_IS_DYNAMIC) { | |
309 | unsigned long long tmp_val; | |
310 | ||
311 | tmp_val = pevent_read_number(fmtf->event->pevent, | |
312 | data + offset, len); | |
313 | offset = tmp_val; | |
314 | len = offset >> 16; | |
315 | offset &= 0xffff; | |
316 | } | |
317 | ||
318 | if (flags & FIELD_IS_ARRAY) { | |
319 | ||
320 | type = bt_ctf_event_class_get_field_by_name( | |
321 | event_class, name); | |
322 | array_field = bt_ctf_field_create(type); | |
323 | bt_ctf_field_type_put(type); | |
324 | if (!array_field) { | |
325 | pr_err("Failed to create array type %s\n", name); | |
326 | return -1; | |
327 | } | |
328 | ||
329 | len = fmtf->size / fmtf->arraylen; | |
330 | n_items = fmtf->arraylen; | |
331 | } else { | |
332 | n_items = 1; | |
333 | array_field = NULL; | |
334 | } | |
335 | ||
336 | type = get_tracepoint_field_type(cw, fmtf); | |
337 | ||
338 | for (i = 0; i < n_items; i++) { | |
69364727 SAS |
339 | if (flags & FIELD_IS_ARRAY) |
340 | field = bt_ctf_field_array_get_field(array_field, i); | |
341 | else | |
342 | field = bt_ctf_field_create(type); | |
343 | ||
344 | if (!field) { | |
345 | pr_err("failed to create a field %s\n", name); | |
346 | return -1; | |
347 | } | |
348 | ||
349 | if (flags & FIELD_IS_STRING) | |
5ea5888b | 350 | ret = string_set_value(field, data + offset + i * len); |
d4ae4213 WN |
351 | else { |
352 | unsigned long long value_int; | |
353 | ||
354 | value_int = pevent_read_number( | |
355 | fmtf->event->pevent, | |
356 | data + offset + i * len, len); | |
357 | ||
358 | if (!(flags & FIELD_IS_SIGNED)) | |
359 | ret = bt_ctf_field_unsigned_integer_set_value( | |
360 | field, value_int); | |
361 | else | |
362 | ret = bt_ctf_field_signed_integer_set_value( | |
363 | field, adjust_signedness(value_int, len)); | |
364 | } | |
365 | ||
69364727 SAS |
366 | if (ret) { |
367 | pr_err("failed to set file value %s\n", name); | |
368 | goto err_put_field; | |
369 | } | |
370 | if (!(flags & FIELD_IS_ARRAY)) { | |
371 | ret = bt_ctf_event_set_payload(event, name, field); | |
372 | if (ret) { | |
373 | pr_err("failed to set payload %s\n", name); | |
374 | goto err_put_field; | |
375 | } | |
376 | } | |
377 | bt_ctf_field_put(field); | |
378 | } | |
379 | if (flags & FIELD_IS_ARRAY) { | |
380 | ret = bt_ctf_event_set_payload(event, name, array_field); | |
381 | if (ret) { | |
382 | pr_err("Failed add payload array %s\n", name); | |
383 | return -1; | |
384 | } | |
385 | bt_ctf_field_put(array_field); | |
386 | } | |
387 | return 0; | |
388 | ||
389 | err_put_field: | |
390 | bt_ctf_field_put(field); | |
391 | return -1; | |
392 | } | |
393 | ||
394 | static int add_tracepoint_fields_values(struct ctf_writer *cw, | |
395 | struct bt_ctf_event_class *event_class, | |
396 | struct bt_ctf_event *event, | |
397 | struct format_field *fields, | |
398 | struct perf_sample *sample) | |
399 | { | |
400 | struct format_field *field; | |
401 | int ret; | |
402 | ||
403 | for (field = fields; field; field = field->next) { | |
404 | ret = add_tracepoint_field_value(cw, event_class, event, sample, | |
405 | field); | |
406 | if (ret) | |
407 | return -1; | |
408 | } | |
409 | return 0; | |
410 | } | |
411 | ||
412 | static int add_tracepoint_values(struct ctf_writer *cw, | |
413 | struct bt_ctf_event_class *event_class, | |
414 | struct bt_ctf_event *event, | |
415 | struct perf_evsel *evsel, | |
416 | struct perf_sample *sample) | |
417 | { | |
418 | struct format_field *common_fields = evsel->tp_format->format.common_fields; | |
419 | struct format_field *fields = evsel->tp_format->format.fields; | |
420 | int ret; | |
421 | ||
422 | ret = add_tracepoint_fields_values(cw, event_class, event, | |
423 | common_fields, sample); | |
424 | if (!ret) | |
425 | ret = add_tracepoint_fields_values(cw, event_class, event, | |
426 | fields, sample); | |
427 | ||
428 | return ret; | |
429 | } | |
430 | ||
6122d57e WN |
431 | static int |
432 | add_bpf_output_values(struct bt_ctf_event_class *event_class, | |
433 | struct bt_ctf_event *event, | |
434 | struct perf_sample *sample) | |
435 | { | |
436 | struct bt_ctf_field_type *len_type, *seq_type; | |
437 | struct bt_ctf_field *len_field, *seq_field; | |
438 | unsigned int raw_size = sample->raw_size; | |
439 | unsigned int nr_elements = raw_size / sizeof(u32); | |
440 | unsigned int i; | |
441 | int ret; | |
442 | ||
443 | if (nr_elements * sizeof(u32) != raw_size) | |
f2c8852e | 444 | pr_warning("Incorrect raw_size (%u) in bpf output event, skip %zu bytes\n", |
6122d57e WN |
445 | raw_size, nr_elements * sizeof(u32) - raw_size); |
446 | ||
447 | len_type = bt_ctf_event_class_get_field_by_name(event_class, "raw_len"); | |
448 | len_field = bt_ctf_field_create(len_type); | |
449 | if (!len_field) { | |
450 | pr_err("failed to create 'raw_len' for bpf output event\n"); | |
451 | ret = -1; | |
452 | goto put_len_type; | |
453 | } | |
454 | ||
455 | ret = bt_ctf_field_unsigned_integer_set_value(len_field, nr_elements); | |
456 | if (ret) { | |
457 | pr_err("failed to set field value for raw_len\n"); | |
458 | goto put_len_field; | |
459 | } | |
460 | ret = bt_ctf_event_set_payload(event, "raw_len", len_field); | |
461 | if (ret) { | |
462 | pr_err("failed to set payload to raw_len\n"); | |
463 | goto put_len_field; | |
464 | } | |
465 | ||
466 | seq_type = bt_ctf_event_class_get_field_by_name(event_class, "raw_data"); | |
467 | seq_field = bt_ctf_field_create(seq_type); | |
468 | if (!seq_field) { | |
469 | pr_err("failed to create 'raw_data' for bpf output event\n"); | |
470 | ret = -1; | |
471 | goto put_seq_type; | |
472 | } | |
473 | ||
474 | ret = bt_ctf_field_sequence_set_length(seq_field, len_field); | |
475 | if (ret) { | |
476 | pr_err("failed to set length of 'raw_data'\n"); | |
477 | goto put_seq_field; | |
478 | } | |
479 | ||
480 | for (i = 0; i < nr_elements; i++) { | |
481 | struct bt_ctf_field *elem_field = | |
482 | bt_ctf_field_sequence_get_field(seq_field, i); | |
483 | ||
484 | ret = bt_ctf_field_unsigned_integer_set_value(elem_field, | |
485 | ((u32 *)(sample->raw_data))[i]); | |
486 | ||
487 | bt_ctf_field_put(elem_field); | |
488 | if (ret) { | |
489 | pr_err("failed to set raw_data[%d]\n", i); | |
490 | goto put_seq_field; | |
491 | } | |
492 | } | |
493 | ||
494 | ret = bt_ctf_event_set_payload(event, "raw_data", seq_field); | |
495 | if (ret) | |
496 | pr_err("failed to set payload for raw_data\n"); | |
497 | ||
498 | put_seq_field: | |
499 | bt_ctf_field_put(seq_field); | |
500 | put_seq_type: | |
501 | bt_ctf_field_type_put(seq_type); | |
502 | put_len_field: | |
503 | bt_ctf_field_put(len_field); | |
504 | put_len_type: | |
505 | bt_ctf_field_type_put(len_type); | |
506 | return ret; | |
507 | } | |
508 | ||
edbe9817 JO |
509 | static int add_generic_values(struct ctf_writer *cw, |
510 | struct bt_ctf_event *event, | |
511 | struct perf_evsel *evsel, | |
512 | struct perf_sample *sample) | |
513 | { | |
514 | u64 type = evsel->attr.sample_type; | |
515 | int ret; | |
516 | ||
517 | /* | |
518 | * missing: | |
519 | * PERF_SAMPLE_TIME - not needed as we have it in | |
520 | * ctf event header | |
521 | * PERF_SAMPLE_READ - TODO | |
522 | * PERF_SAMPLE_CALLCHAIN - TODO | |
523 | * PERF_SAMPLE_RAW - tracepoint fields are handled separately | |
524 | * PERF_SAMPLE_BRANCH_STACK - TODO | |
525 | * PERF_SAMPLE_REGS_USER - TODO | |
526 | * PERF_SAMPLE_STACK_USER - TODO | |
527 | */ | |
528 | ||
529 | if (type & PERF_SAMPLE_IP) { | |
54cf776a | 530 | ret = value_set_u64_hex(cw, event, "perf_ip", sample->ip); |
edbe9817 JO |
531 | if (ret) |
532 | return -1; | |
533 | } | |
534 | ||
535 | if (type & PERF_SAMPLE_TID) { | |
54cf776a | 536 | ret = value_set_s32(cw, event, "perf_tid", sample->tid); |
edbe9817 JO |
537 | if (ret) |
538 | return -1; | |
539 | ||
54cf776a | 540 | ret = value_set_s32(cw, event, "perf_pid", sample->pid); |
edbe9817 JO |
541 | if (ret) |
542 | return -1; | |
543 | } | |
544 | ||
545 | if ((type & PERF_SAMPLE_ID) || | |
546 | (type & PERF_SAMPLE_IDENTIFIER)) { | |
54cf776a | 547 | ret = value_set_u64(cw, event, "perf_id", sample->id); |
edbe9817 JO |
548 | if (ret) |
549 | return -1; | |
550 | } | |
551 | ||
552 | if (type & PERF_SAMPLE_STREAM_ID) { | |
54cf776a | 553 | ret = value_set_u64(cw, event, "perf_stream_id", sample->stream_id); |
edbe9817 JO |
554 | if (ret) |
555 | return -1; | |
556 | } | |
557 | ||
edbe9817 | 558 | if (type & PERF_SAMPLE_PERIOD) { |
54cf776a | 559 | ret = value_set_u64(cw, event, "perf_period", sample->period); |
edbe9817 JO |
560 | if (ret) |
561 | return -1; | |
562 | } | |
563 | ||
564 | if (type & PERF_SAMPLE_WEIGHT) { | |
54cf776a | 565 | ret = value_set_u64(cw, event, "perf_weight", sample->weight); |
edbe9817 JO |
566 | if (ret) |
567 | return -1; | |
568 | } | |
569 | ||
570 | if (type & PERF_SAMPLE_DATA_SRC) { | |
54cf776a SAS |
571 | ret = value_set_u64(cw, event, "perf_data_src", |
572 | sample->data_src); | |
edbe9817 JO |
573 | if (ret) |
574 | return -1; | |
575 | } | |
576 | ||
577 | if (type & PERF_SAMPLE_TRANSACTION) { | |
54cf776a SAS |
578 | ret = value_set_u64(cw, event, "perf_transaction", |
579 | sample->transaction); | |
edbe9817 JO |
580 | if (ret) |
581 | return -1; | |
582 | } | |
583 | ||
584 | return 0; | |
585 | } | |
586 | ||
90e129ff SAS |
587 | static int ctf_stream__flush(struct ctf_stream *cs) |
588 | { | |
589 | int err = 0; | |
590 | ||
591 | if (cs) { | |
592 | err = bt_ctf_stream_flush(cs->stream); | |
593 | if (err) | |
594 | pr_err("CTF stream %d flush failed\n", cs->cpu); | |
595 | ||
89e5fa88 JO |
596 | pr("Flush stream for cpu %d (%u samples)\n", |
597 | cs->cpu, cs->count); | |
598 | ||
599 | cs->count = 0; | |
90e129ff SAS |
600 | } |
601 | ||
602 | return err; | |
603 | } | |
604 | ||
605 | static struct ctf_stream *ctf_stream__create(struct ctf_writer *cw, int cpu) | |
606 | { | |
607 | struct ctf_stream *cs; | |
608 | struct bt_ctf_field *pkt_ctx = NULL; | |
609 | struct bt_ctf_field *cpu_field = NULL; | |
610 | struct bt_ctf_stream *stream = NULL; | |
611 | int ret; | |
612 | ||
613 | cs = zalloc(sizeof(*cs)); | |
614 | if (!cs) { | |
615 | pr_err("Failed to allocate ctf stream\n"); | |
616 | return NULL; | |
617 | } | |
618 | ||
619 | stream = bt_ctf_writer_create_stream(cw->writer, cw->stream_class); | |
620 | if (!stream) { | |
621 | pr_err("Failed to create CTF stream\n"); | |
622 | goto out; | |
623 | } | |
624 | ||
625 | pkt_ctx = bt_ctf_stream_get_packet_context(stream); | |
626 | if (!pkt_ctx) { | |
627 | pr_err("Failed to obtain packet context\n"); | |
628 | goto out; | |
629 | } | |
630 | ||
631 | cpu_field = bt_ctf_field_structure_get_field(pkt_ctx, "cpu_id"); | |
632 | bt_ctf_field_put(pkt_ctx); | |
633 | if (!cpu_field) { | |
634 | pr_err("Failed to obtain cpu field\n"); | |
635 | goto out; | |
636 | } | |
637 | ||
638 | ret = bt_ctf_field_unsigned_integer_set_value(cpu_field, (u32) cpu); | |
639 | if (ret) { | |
640 | pr_err("Failed to update CPU number\n"); | |
641 | goto out; | |
642 | } | |
643 | ||
644 | bt_ctf_field_put(cpu_field); | |
645 | ||
646 | cs->cpu = cpu; | |
647 | cs->stream = stream; | |
648 | return cs; | |
649 | ||
650 | out: | |
651 | if (cpu_field) | |
652 | bt_ctf_field_put(cpu_field); | |
653 | if (stream) | |
654 | bt_ctf_stream_put(stream); | |
655 | ||
656 | free(cs); | |
657 | return NULL; | |
658 | } | |
659 | ||
660 | static void ctf_stream__delete(struct ctf_stream *cs) | |
661 | { | |
662 | if (cs) { | |
663 | bt_ctf_stream_put(cs->stream); | |
664 | free(cs); | |
665 | } | |
666 | } | |
667 | ||
668 | static struct ctf_stream *ctf_stream(struct ctf_writer *cw, int cpu) | |
669 | { | |
670 | struct ctf_stream *cs = cw->stream[cpu]; | |
671 | ||
672 | if (!cs) { | |
673 | cs = ctf_stream__create(cw, cpu); | |
674 | cw->stream[cpu] = cs; | |
675 | } | |
676 | ||
677 | return cs; | |
678 | } | |
679 | ||
680 | static int get_sample_cpu(struct ctf_writer *cw, struct perf_sample *sample, | |
681 | struct perf_evsel *evsel) | |
682 | { | |
683 | int cpu = 0; | |
684 | ||
685 | if (evsel->attr.sample_type & PERF_SAMPLE_CPU) | |
686 | cpu = sample->cpu; | |
687 | ||
688 | if (cpu > cw->stream_cnt) { | |
689 | pr_err("Event was recorded for CPU %d, limit is at %d.\n", | |
690 | cpu, cw->stream_cnt); | |
691 | cpu = 0; | |
692 | } | |
693 | ||
694 | return cpu; | |
695 | } | |
696 | ||
89e5fa88 JO |
697 | #define STREAM_FLUSH_COUNT 100000 |
698 | ||
699 | /* | |
700 | * Currently we have no other way to determine the | |
701 | * time for the stream flush other than keep track | |
702 | * of the number of events and check it against | |
703 | * threshold. | |
704 | */ | |
705 | static bool is_flush_needed(struct ctf_stream *cs) | |
706 | { | |
707 | return cs->count >= STREAM_FLUSH_COUNT; | |
708 | } | |
709 | ||
edbe9817 | 710 | static int process_sample_event(struct perf_tool *tool, |
b8f8eb84 | 711 | union perf_event *_event, |
edbe9817 JO |
712 | struct perf_sample *sample, |
713 | struct perf_evsel *evsel, | |
714 | struct machine *machine __maybe_unused) | |
715 | { | |
716 | struct convert *c = container_of(tool, struct convert, tool); | |
717 | struct evsel_priv *priv = evsel->priv; | |
718 | struct ctf_writer *cw = &c->writer; | |
90e129ff | 719 | struct ctf_stream *cs; |
edbe9817 JO |
720 | struct bt_ctf_event_class *event_class; |
721 | struct bt_ctf_event *event; | |
722 | int ret; | |
723 | ||
724 | if (WARN_ONCE(!priv, "Failed to setup all events.\n")) | |
725 | return 0; | |
726 | ||
727 | event_class = priv->event_class; | |
728 | ||
729 | /* update stats */ | |
730 | c->events_count++; | |
731 | c->events_size += _event->header.size; | |
732 | ||
733 | pr_time2(sample->time, "sample %" PRIu64 "\n", c->events_count); | |
734 | ||
735 | event = bt_ctf_event_create(event_class); | |
736 | if (!event) { | |
737 | pr_err("Failed to create an CTF event\n"); | |
738 | return -1; | |
739 | } | |
740 | ||
741 | bt_ctf_clock_set_time(cw->clock, sample->time); | |
742 | ||
743 | ret = add_generic_values(cw, event, evsel, sample); | |
744 | if (ret) | |
745 | return -1; | |
746 | ||
69364727 SAS |
747 | if (evsel->attr.type == PERF_TYPE_TRACEPOINT) { |
748 | ret = add_tracepoint_values(cw, event_class, event, | |
749 | evsel, sample); | |
750 | if (ret) | |
751 | return -1; | |
752 | } | |
753 | ||
6122d57e WN |
754 | if (perf_evsel__is_bpf_output(evsel)) { |
755 | ret = add_bpf_output_values(event_class, event, sample); | |
756 | if (ret) | |
757 | return -1; | |
758 | } | |
759 | ||
90e129ff | 760 | cs = ctf_stream(cw, get_sample_cpu(cw, sample, evsel)); |
89e5fa88 JO |
761 | if (cs) { |
762 | if (is_flush_needed(cs)) | |
763 | ctf_stream__flush(cs); | |
764 | ||
765 | cs->count++; | |
90e129ff | 766 | bt_ctf_stream_append_event(cs->stream, event); |
89e5fa88 | 767 | } |
90e129ff | 768 | |
edbe9817 | 769 | bt_ctf_event_put(event); |
90e129ff | 770 | return cs ? 0 : -1; |
edbe9817 JO |
771 | } |
772 | ||
f5a08ced WN |
773 | #define __NON_SAMPLE_SET_FIELD(_name, _type, _field) \ |
774 | do { \ | |
775 | ret = value_set_##_type(cw, event, #_field, _event->_name._field);\ | |
776 | if (ret) \ | |
777 | return -1; \ | |
778 | } while(0) | |
779 | ||
780 | #define __FUNC_PROCESS_NON_SAMPLE(_name, body) \ | |
781 | static int process_##_name##_event(struct perf_tool *tool, \ | |
782 | union perf_event *_event, \ | |
783 | struct perf_sample *sample, \ | |
784 | struct machine *machine) \ | |
785 | { \ | |
786 | struct convert *c = container_of(tool, struct convert, tool);\ | |
787 | struct ctf_writer *cw = &c->writer; \ | |
788 | struct bt_ctf_event_class *event_class = cw->_name##_class;\ | |
789 | struct bt_ctf_event *event; \ | |
790 | struct ctf_stream *cs; \ | |
791 | int ret; \ | |
792 | \ | |
793 | c->non_sample_count++; \ | |
794 | c->events_size += _event->header.size; \ | |
795 | event = bt_ctf_event_create(event_class); \ | |
796 | if (!event) { \ | |
797 | pr_err("Failed to create an CTF event\n"); \ | |
798 | return -1; \ | |
799 | } \ | |
800 | \ | |
801 | bt_ctf_clock_set_time(cw->clock, sample->time); \ | |
802 | body \ | |
803 | cs = ctf_stream(cw, 0); \ | |
804 | if (cs) { \ | |
805 | if (is_flush_needed(cs)) \ | |
806 | ctf_stream__flush(cs); \ | |
807 | \ | |
808 | cs->count++; \ | |
809 | bt_ctf_stream_append_event(cs->stream, event); \ | |
810 | } \ | |
811 | bt_ctf_event_put(event); \ | |
812 | \ | |
813 | return perf_event__process_##_name(tool, _event, sample, machine);\ | |
814 | } | |
815 | ||
816 | __FUNC_PROCESS_NON_SAMPLE(comm, | |
817 | __NON_SAMPLE_SET_FIELD(comm, u32, pid); | |
818 | __NON_SAMPLE_SET_FIELD(comm, u32, tid); | |
819 | __NON_SAMPLE_SET_FIELD(comm, string, comm); | |
820 | ) | |
ebccba3f WN |
821 | __FUNC_PROCESS_NON_SAMPLE(fork, |
822 | __NON_SAMPLE_SET_FIELD(fork, u32, pid); | |
823 | __NON_SAMPLE_SET_FIELD(fork, u32, ppid); | |
824 | __NON_SAMPLE_SET_FIELD(fork, u32, tid); | |
825 | __NON_SAMPLE_SET_FIELD(fork, u32, ptid); | |
826 | __NON_SAMPLE_SET_FIELD(fork, u64, time); | |
827 | ) | |
828 | ||
829 | __FUNC_PROCESS_NON_SAMPLE(exit, | |
830 | __NON_SAMPLE_SET_FIELD(fork, u32, pid); | |
831 | __NON_SAMPLE_SET_FIELD(fork, u32, ppid); | |
832 | __NON_SAMPLE_SET_FIELD(fork, u32, tid); | |
833 | __NON_SAMPLE_SET_FIELD(fork, u32, ptid); | |
834 | __NON_SAMPLE_SET_FIELD(fork, u64, time); | |
835 | ) | |
f5a08ced WN |
836 | #undef __NON_SAMPLE_SET_FIELD |
837 | #undef __FUNC_PROCESS_NON_SAMPLE | |
838 | ||
e0a7cce5 WN |
839 | /* If dup < 0, add a prefix. Else, add _dupl_X suffix. */ |
840 | static char *change_name(char *name, char *orig_name, int dup) | |
841 | { | |
842 | char *new_name = NULL; | |
843 | size_t len; | |
844 | ||
845 | if (!name) | |
846 | name = orig_name; | |
847 | ||
848 | if (dup >= 10) | |
849 | goto out; | |
850 | /* | |
851 | * Add '_' prefix to potential keywork. According to | |
852 | * Mathieu Desnoyers (https://lkml.org/lkml/2015/1/23/652), | |
853 | * futher CTF spec updating may require us to use '$'. | |
854 | */ | |
855 | if (dup < 0) | |
856 | len = strlen(name) + sizeof("_"); | |
857 | else | |
858 | len = strlen(orig_name) + sizeof("_dupl_X"); | |
859 | ||
860 | new_name = malloc(len); | |
861 | if (!new_name) | |
862 | goto out; | |
863 | ||
864 | if (dup < 0) | |
865 | snprintf(new_name, len, "_%s", name); | |
866 | else | |
867 | snprintf(new_name, len, "%s_dupl_%d", orig_name, dup); | |
868 | ||
869 | out: | |
870 | if (name != orig_name) | |
871 | free(name); | |
872 | return new_name; | |
873 | } | |
874 | ||
875 | static int event_class_add_field(struct bt_ctf_event_class *event_class, | |
876 | struct bt_ctf_field_type *type, | |
877 | struct format_field *field) | |
878 | { | |
879 | struct bt_ctf_field_type *t = NULL; | |
880 | char *name; | |
881 | int dup = 1; | |
882 | int ret; | |
883 | ||
884 | /* alias was already assigned */ | |
885 | if (field->alias != field->name) | |
886 | return bt_ctf_event_class_add_field(event_class, type, | |
887 | (char *)field->alias); | |
888 | ||
889 | name = field->name; | |
890 | ||
891 | /* If 'name' is a keywork, add prefix. */ | |
892 | if (bt_ctf_validate_identifier(name)) | |
893 | name = change_name(name, field->name, -1); | |
894 | ||
895 | if (!name) { | |
896 | pr_err("Failed to fix invalid identifier."); | |
897 | return -1; | |
898 | } | |
899 | while ((t = bt_ctf_event_class_get_field_by_name(event_class, name))) { | |
900 | bt_ctf_field_type_put(t); | |
901 | name = change_name(name, field->name, dup++); | |
902 | if (!name) { | |
903 | pr_err("Failed to create dup name for '%s'\n", field->name); | |
904 | return -1; | |
905 | } | |
906 | } | |
907 | ||
908 | ret = bt_ctf_event_class_add_field(event_class, type, name); | |
909 | if (!ret) | |
910 | field->alias = name; | |
911 | ||
912 | return ret; | |
913 | } | |
914 | ||
69364727 SAS |
915 | static int add_tracepoint_fields_types(struct ctf_writer *cw, |
916 | struct format_field *fields, | |
917 | struct bt_ctf_event_class *event_class) | |
918 | { | |
919 | struct format_field *field; | |
920 | int ret; | |
921 | ||
922 | for (field = fields; field; field = field->next) { | |
923 | struct bt_ctf_field_type *type; | |
924 | unsigned long flags = field->flags; | |
925 | ||
926 | pr2(" field '%s'\n", field->name); | |
927 | ||
928 | type = get_tracepoint_field_type(cw, field); | |
929 | if (!type) | |
930 | return -1; | |
931 | ||
932 | /* | |
933 | * A string is an array of chars. For this we use the string | |
934 | * type and don't care that it is an array. What we don't | |
935 | * support is an array of strings. | |
936 | */ | |
937 | if (flags & FIELD_IS_STRING) | |
938 | flags &= ~FIELD_IS_ARRAY; | |
939 | ||
940 | if (flags & FIELD_IS_ARRAY) | |
941 | type = bt_ctf_field_type_array_create(type, field->arraylen); | |
942 | ||
e0a7cce5 | 943 | ret = event_class_add_field(event_class, type, field); |
69364727 SAS |
944 | |
945 | if (flags & FIELD_IS_ARRAY) | |
946 | bt_ctf_field_type_put(type); | |
947 | ||
948 | if (ret) { | |
e0a7cce5 WN |
949 | pr_err("Failed to add field '%s': %d\n", |
950 | field->name, ret); | |
69364727 SAS |
951 | return -1; |
952 | } | |
953 | } | |
954 | ||
955 | return 0; | |
956 | } | |
957 | ||
958 | static int add_tracepoint_types(struct ctf_writer *cw, | |
959 | struct perf_evsel *evsel, | |
960 | struct bt_ctf_event_class *class) | |
961 | { | |
962 | struct format_field *common_fields = evsel->tp_format->format.common_fields; | |
963 | struct format_field *fields = evsel->tp_format->format.fields; | |
964 | int ret; | |
965 | ||
966 | ret = add_tracepoint_fields_types(cw, common_fields, class); | |
967 | if (!ret) | |
968 | ret = add_tracepoint_fields_types(cw, fields, class); | |
969 | ||
970 | return ret; | |
971 | } | |
972 | ||
6122d57e WN |
973 | static int add_bpf_output_types(struct ctf_writer *cw, |
974 | struct bt_ctf_event_class *class) | |
975 | { | |
976 | struct bt_ctf_field_type *len_type = cw->data.u32; | |
977 | struct bt_ctf_field_type *seq_base_type = cw->data.u32_hex; | |
978 | struct bt_ctf_field_type *seq_type; | |
979 | int ret; | |
980 | ||
981 | ret = bt_ctf_event_class_add_field(class, len_type, "raw_len"); | |
982 | if (ret) | |
983 | return ret; | |
984 | ||
985 | seq_type = bt_ctf_field_type_sequence_create(seq_base_type, "raw_len"); | |
986 | if (!seq_type) | |
987 | return -1; | |
988 | ||
989 | return bt_ctf_event_class_add_field(class, seq_type, "raw_data"); | |
990 | } | |
991 | ||
edbe9817 JO |
992 | static int add_generic_types(struct ctf_writer *cw, struct perf_evsel *evsel, |
993 | struct bt_ctf_event_class *event_class) | |
994 | { | |
995 | u64 type = evsel->attr.sample_type; | |
996 | ||
997 | /* | |
998 | * missing: | |
999 | * PERF_SAMPLE_TIME - not needed as we have it in | |
1000 | * ctf event header | |
1001 | * PERF_SAMPLE_READ - TODO | |
1002 | * PERF_SAMPLE_CALLCHAIN - TODO | |
6122d57e WN |
1003 | * PERF_SAMPLE_RAW - tracepoint fields and BPF output |
1004 | * are handled separately | |
edbe9817 JO |
1005 | * PERF_SAMPLE_BRANCH_STACK - TODO |
1006 | * PERF_SAMPLE_REGS_USER - TODO | |
1007 | * PERF_SAMPLE_STACK_USER - TODO | |
1008 | */ | |
1009 | ||
1010 | #define ADD_FIELD(cl, t, n) \ | |
1011 | do { \ | |
1012 | pr2(" field '%s'\n", n); \ | |
1013 | if (bt_ctf_event_class_add_field(cl, t, n)) { \ | |
e0a7cce5 | 1014 | pr_err("Failed to add field '%s';\n", n); \ |
edbe9817 JO |
1015 | return -1; \ |
1016 | } \ | |
1017 | } while (0) | |
1018 | ||
1019 | if (type & PERF_SAMPLE_IP) | |
54cf776a | 1020 | ADD_FIELD(event_class, cw->data.u64_hex, "perf_ip"); |
edbe9817 JO |
1021 | |
1022 | if (type & PERF_SAMPLE_TID) { | |
54cf776a SAS |
1023 | ADD_FIELD(event_class, cw->data.s32, "perf_tid"); |
1024 | ADD_FIELD(event_class, cw->data.s32, "perf_pid"); | |
edbe9817 JO |
1025 | } |
1026 | ||
1027 | if ((type & PERF_SAMPLE_ID) || | |
1028 | (type & PERF_SAMPLE_IDENTIFIER)) | |
54cf776a | 1029 | ADD_FIELD(event_class, cw->data.u64, "perf_id"); |
edbe9817 JO |
1030 | |
1031 | if (type & PERF_SAMPLE_STREAM_ID) | |
54cf776a | 1032 | ADD_FIELD(event_class, cw->data.u64, "perf_stream_id"); |
edbe9817 | 1033 | |
edbe9817 | 1034 | if (type & PERF_SAMPLE_PERIOD) |
54cf776a | 1035 | ADD_FIELD(event_class, cw->data.u64, "perf_period"); |
edbe9817 JO |
1036 | |
1037 | if (type & PERF_SAMPLE_WEIGHT) | |
54cf776a | 1038 | ADD_FIELD(event_class, cw->data.u64, "perf_weight"); |
edbe9817 JO |
1039 | |
1040 | if (type & PERF_SAMPLE_DATA_SRC) | |
54cf776a | 1041 | ADD_FIELD(event_class, cw->data.u64, "perf_data_src"); |
edbe9817 JO |
1042 | |
1043 | if (type & PERF_SAMPLE_TRANSACTION) | |
54cf776a | 1044 | ADD_FIELD(event_class, cw->data.u64, "perf_transaction"); |
edbe9817 JO |
1045 | |
1046 | #undef ADD_FIELD | |
1047 | return 0; | |
1048 | } | |
1049 | ||
1050 | static int add_event(struct ctf_writer *cw, struct perf_evsel *evsel) | |
1051 | { | |
1052 | struct bt_ctf_event_class *event_class; | |
1053 | struct evsel_priv *priv; | |
1054 | const char *name = perf_evsel__name(evsel); | |
1055 | int ret; | |
1056 | ||
1057 | pr("Adding event '%s' (type %d)\n", name, evsel->attr.type); | |
1058 | ||
1059 | event_class = bt_ctf_event_class_create(name); | |
1060 | if (!event_class) | |
1061 | return -1; | |
1062 | ||
1063 | ret = add_generic_types(cw, evsel, event_class); | |
1064 | if (ret) | |
1065 | goto err; | |
1066 | ||
69364727 SAS |
1067 | if (evsel->attr.type == PERF_TYPE_TRACEPOINT) { |
1068 | ret = add_tracepoint_types(cw, evsel, event_class); | |
1069 | if (ret) | |
1070 | goto err; | |
1071 | } | |
1072 | ||
6122d57e WN |
1073 | if (perf_evsel__is_bpf_output(evsel)) { |
1074 | ret = add_bpf_output_types(cw, event_class); | |
1075 | if (ret) | |
1076 | goto err; | |
1077 | } | |
1078 | ||
edbe9817 JO |
1079 | ret = bt_ctf_stream_class_add_event_class(cw->stream_class, event_class); |
1080 | if (ret) { | |
1081 | pr("Failed to add event class into stream.\n"); | |
1082 | goto err; | |
1083 | } | |
1084 | ||
1085 | priv = malloc(sizeof(*priv)); | |
1086 | if (!priv) | |
1087 | goto err; | |
1088 | ||
1089 | priv->event_class = event_class; | |
1090 | evsel->priv = priv; | |
1091 | return 0; | |
1092 | ||
1093 | err: | |
1094 | bt_ctf_event_class_put(event_class); | |
1095 | pr_err("Failed to add event '%s'.\n", name); | |
1096 | return -1; | |
1097 | } | |
1098 | ||
1099 | static int setup_events(struct ctf_writer *cw, struct perf_session *session) | |
1100 | { | |
1101 | struct perf_evlist *evlist = session->evlist; | |
1102 | struct perf_evsel *evsel; | |
1103 | int ret; | |
1104 | ||
e5cadb93 | 1105 | evlist__for_each_entry(evlist, evsel) { |
edbe9817 JO |
1106 | ret = add_event(cw, evsel); |
1107 | if (ret) | |
1108 | return ret; | |
1109 | } | |
1110 | return 0; | |
1111 | } | |
1112 | ||
f5a08ced WN |
1113 | #define __NON_SAMPLE_ADD_FIELD(t, n) \ |
1114 | do { \ | |
1115 | pr2(" field '%s'\n", #n); \ | |
1116 | if (bt_ctf_event_class_add_field(event_class, cw->data.t, #n)) {\ | |
1117 | pr_err("Failed to add field '%s';\n", #n);\ | |
1118 | return -1; \ | |
1119 | } \ | |
1120 | } while(0) | |
1121 | ||
1122 | #define __FUNC_ADD_NON_SAMPLE_EVENT_CLASS(_name, body) \ | |
1123 | static int add_##_name##_event(struct ctf_writer *cw) \ | |
1124 | { \ | |
1125 | struct bt_ctf_event_class *event_class; \ | |
1126 | int ret; \ | |
1127 | \ | |
1128 | pr("Adding "#_name" event\n"); \ | |
1129 | event_class = bt_ctf_event_class_create("perf_" #_name);\ | |
1130 | if (!event_class) \ | |
1131 | return -1; \ | |
1132 | body \ | |
1133 | \ | |
1134 | ret = bt_ctf_stream_class_add_event_class(cw->stream_class, event_class);\ | |
1135 | if (ret) { \ | |
1136 | pr("Failed to add event class '"#_name"' into stream.\n");\ | |
1137 | return ret; \ | |
1138 | } \ | |
1139 | \ | |
1140 | cw->_name##_class = event_class; \ | |
1141 | bt_ctf_event_class_put(event_class); \ | |
1142 | return 0; \ | |
1143 | } | |
1144 | ||
1145 | __FUNC_ADD_NON_SAMPLE_EVENT_CLASS(comm, | |
1146 | __NON_SAMPLE_ADD_FIELD(u32, pid); | |
1147 | __NON_SAMPLE_ADD_FIELD(u32, tid); | |
1148 | __NON_SAMPLE_ADD_FIELD(string, comm); | |
1149 | ) | |
1150 | ||
ebccba3f WN |
1151 | __FUNC_ADD_NON_SAMPLE_EVENT_CLASS(fork, |
1152 | __NON_SAMPLE_ADD_FIELD(u32, pid); | |
1153 | __NON_SAMPLE_ADD_FIELD(u32, ppid); | |
1154 | __NON_SAMPLE_ADD_FIELD(u32, tid); | |
1155 | __NON_SAMPLE_ADD_FIELD(u32, ptid); | |
1156 | __NON_SAMPLE_ADD_FIELD(u64, time); | |
1157 | ) | |
1158 | ||
1159 | __FUNC_ADD_NON_SAMPLE_EVENT_CLASS(exit, | |
1160 | __NON_SAMPLE_ADD_FIELD(u32, pid); | |
1161 | __NON_SAMPLE_ADD_FIELD(u32, ppid); | |
1162 | __NON_SAMPLE_ADD_FIELD(u32, tid); | |
1163 | __NON_SAMPLE_ADD_FIELD(u32, ptid); | |
1164 | __NON_SAMPLE_ADD_FIELD(u64, time); | |
1165 | ) | |
1166 | ||
f5a08ced WN |
1167 | #undef __NON_SAMPLE_ADD_FIELD |
1168 | #undef __FUNC_ADD_NON_SAMPLE_EVENT_CLASS | |
1169 | ||
1170 | static int setup_non_sample_events(struct ctf_writer *cw, | |
1171 | struct perf_session *session __maybe_unused) | |
1172 | { | |
1173 | int ret; | |
1174 | ||
1175 | ret = add_comm_event(cw); | |
ebccba3f WN |
1176 | if (ret) |
1177 | return ret; | |
1178 | ret = add_exit_event(cw); | |
1179 | if (ret) | |
1180 | return ret; | |
1181 | ret = add_fork_event(cw); | |
f5a08ced WN |
1182 | if (ret) |
1183 | return ret; | |
1184 | return 0; | |
1185 | } | |
1186 | ||
5141d735 WN |
1187 | static void cleanup_events(struct perf_session *session) |
1188 | { | |
1189 | struct perf_evlist *evlist = session->evlist; | |
1190 | struct perf_evsel *evsel; | |
1191 | ||
e5cadb93 | 1192 | evlist__for_each_entry(evlist, evsel) { |
5141d735 WN |
1193 | struct evsel_priv *priv; |
1194 | ||
1195 | priv = evsel->priv; | |
1196 | bt_ctf_event_class_put(priv->event_class); | |
1197 | zfree(&evsel->priv); | |
1198 | } | |
1199 | ||
1200 | perf_evlist__delete(evlist); | |
1201 | session->evlist = NULL; | |
1202 | } | |
1203 | ||
90e129ff SAS |
1204 | static int setup_streams(struct ctf_writer *cw, struct perf_session *session) |
1205 | { | |
1206 | struct ctf_stream **stream; | |
1207 | struct perf_header *ph = &session->header; | |
1208 | int ncpus; | |
1209 | ||
1210 | /* | |
1211 | * Try to get the number of cpus used in the data file, | |
1212 | * if not present fallback to the MAX_CPUS. | |
1213 | */ | |
1214 | ncpus = ph->env.nr_cpus_avail ?: MAX_CPUS; | |
1215 | ||
1216 | stream = zalloc(sizeof(*stream) * ncpus); | |
1217 | if (!stream) { | |
1218 | pr_err("Failed to allocate streams.\n"); | |
1219 | return -ENOMEM; | |
1220 | } | |
1221 | ||
1222 | cw->stream = stream; | |
1223 | cw->stream_cnt = ncpus; | |
1224 | return 0; | |
1225 | } | |
1226 | ||
1227 | static void free_streams(struct ctf_writer *cw) | |
1228 | { | |
1229 | int cpu; | |
1230 | ||
1231 | for (cpu = 0; cpu < cw->stream_cnt; cpu++) | |
1232 | ctf_stream__delete(cw->stream[cpu]); | |
1233 | ||
1234 | free(cw->stream); | |
1235 | } | |
1236 | ||
edbe9817 JO |
1237 | static int ctf_writer__setup_env(struct ctf_writer *cw, |
1238 | struct perf_session *session) | |
1239 | { | |
1240 | struct perf_header *header = &session->header; | |
1241 | struct bt_ctf_writer *writer = cw->writer; | |
1242 | ||
1243 | #define ADD(__n, __v) \ | |
1244 | do { \ | |
1245 | if (bt_ctf_writer_add_environment_field(writer, __n, __v)) \ | |
1246 | return -1; \ | |
1247 | } while (0) | |
1248 | ||
1249 | ADD("host", header->env.hostname); | |
1250 | ADD("sysname", "Linux"); | |
1251 | ADD("release", header->env.os_release); | |
1252 | ADD("version", header->env.version); | |
1253 | ADD("machine", header->env.arch); | |
1254 | ADD("domain", "kernel"); | |
1255 | ADD("tracer_name", "perf"); | |
1256 | ||
1257 | #undef ADD | |
1258 | return 0; | |
1259 | } | |
1260 | ||
1261 | static int ctf_writer__setup_clock(struct ctf_writer *cw) | |
1262 | { | |
1263 | struct bt_ctf_clock *clock = cw->clock; | |
1264 | ||
1265 | bt_ctf_clock_set_description(clock, "perf clock"); | |
1266 | ||
1267 | #define SET(__n, __v) \ | |
1268 | do { \ | |
1269 | if (bt_ctf_clock_set_##__n(clock, __v)) \ | |
1270 | return -1; \ | |
1271 | } while (0) | |
1272 | ||
1273 | SET(frequency, 1000000000); | |
1274 | SET(offset_s, 0); | |
1275 | SET(offset, 0); | |
1276 | SET(precision, 10); | |
1277 | SET(is_absolute, 0); | |
1278 | ||
1279 | #undef SET | |
1280 | return 0; | |
1281 | } | |
1282 | ||
1283 | static struct bt_ctf_field_type *create_int_type(int size, bool sign, bool hex) | |
1284 | { | |
1285 | struct bt_ctf_field_type *type; | |
1286 | ||
1287 | type = bt_ctf_field_type_integer_create(size); | |
1288 | if (!type) | |
1289 | return NULL; | |
1290 | ||
1291 | if (sign && | |
1292 | bt_ctf_field_type_integer_set_signed(type, 1)) | |
1293 | goto err; | |
1294 | ||
1295 | if (hex && | |
1296 | bt_ctf_field_type_integer_set_base(type, BT_CTF_INTEGER_BASE_HEXADECIMAL)) | |
1297 | goto err; | |
1298 | ||
f8dd2d5f WN |
1299 | #if __BYTE_ORDER == __BIG_ENDIAN |
1300 | bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_BIG_ENDIAN); | |
1301 | #else | |
1302 | bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_LITTLE_ENDIAN); | |
1303 | #endif | |
1304 | ||
edbe9817 JO |
1305 | pr2("Created type: INTEGER %d-bit %ssigned %s\n", |
1306 | size, sign ? "un" : "", hex ? "hex" : ""); | |
1307 | return type; | |
1308 | ||
1309 | err: | |
1310 | bt_ctf_field_type_put(type); | |
1311 | return NULL; | |
1312 | } | |
1313 | ||
1314 | static void ctf_writer__cleanup_data(struct ctf_writer *cw) | |
1315 | { | |
1316 | unsigned int i; | |
1317 | ||
1318 | for (i = 0; i < ARRAY_SIZE(cw->data.array); i++) | |
1319 | bt_ctf_field_type_put(cw->data.array[i]); | |
1320 | } | |
1321 | ||
1322 | static int ctf_writer__init_data(struct ctf_writer *cw) | |
1323 | { | |
1324 | #define CREATE_INT_TYPE(type, size, sign, hex) \ | |
1325 | do { \ | |
1326 | (type) = create_int_type(size, sign, hex); \ | |
1327 | if (!(type)) \ | |
1328 | goto err; \ | |
1329 | } while (0) | |
1330 | ||
1331 | CREATE_INT_TYPE(cw->data.s64, 64, true, false); | |
1332 | CREATE_INT_TYPE(cw->data.u64, 64, false, false); | |
1333 | CREATE_INT_TYPE(cw->data.s32, 32, true, false); | |
1334 | CREATE_INT_TYPE(cw->data.u32, 32, false, false); | |
26812d46 | 1335 | CREATE_INT_TYPE(cw->data.u32_hex, 32, false, true); |
edbe9817 JO |
1336 | CREATE_INT_TYPE(cw->data.u64_hex, 64, false, true); |
1337 | ||
1338 | cw->data.string = bt_ctf_field_type_string_create(); | |
1339 | if (cw->data.string) | |
1340 | return 0; | |
1341 | ||
1342 | err: | |
1343 | ctf_writer__cleanup_data(cw); | |
1344 | pr_err("Failed to create data types.\n"); | |
1345 | return -1; | |
1346 | } | |
1347 | ||
1348 | static void ctf_writer__cleanup(struct ctf_writer *cw) | |
1349 | { | |
1350 | ctf_writer__cleanup_data(cw); | |
1351 | ||
1352 | bt_ctf_clock_put(cw->clock); | |
90e129ff | 1353 | free_streams(cw); |
edbe9817 JO |
1354 | bt_ctf_stream_class_put(cw->stream_class); |
1355 | bt_ctf_writer_put(cw->writer); | |
1356 | ||
1357 | /* and NULL all the pointers */ | |
1358 | memset(cw, 0, sizeof(*cw)); | |
1359 | } | |
1360 | ||
1361 | static int ctf_writer__init(struct ctf_writer *cw, const char *path) | |
1362 | { | |
1363 | struct bt_ctf_writer *writer; | |
1364 | struct bt_ctf_stream_class *stream_class; | |
edbe9817 | 1365 | struct bt_ctf_clock *clock; |
90e129ff SAS |
1366 | struct bt_ctf_field_type *pkt_ctx_type; |
1367 | int ret; | |
edbe9817 JO |
1368 | |
1369 | /* CTF writer */ | |
1370 | writer = bt_ctf_writer_create(path); | |
1371 | if (!writer) | |
1372 | goto err; | |
1373 | ||
1374 | cw->writer = writer; | |
1375 | ||
1376 | /* CTF clock */ | |
1377 | clock = bt_ctf_clock_create("perf_clock"); | |
1378 | if (!clock) { | |
1379 | pr("Failed to create CTF clock.\n"); | |
1380 | goto err_cleanup; | |
1381 | } | |
1382 | ||
1383 | cw->clock = clock; | |
1384 | ||
1385 | if (ctf_writer__setup_clock(cw)) { | |
1386 | pr("Failed to setup CTF clock.\n"); | |
1387 | goto err_cleanup; | |
1388 | } | |
1389 | ||
1390 | /* CTF stream class */ | |
1391 | stream_class = bt_ctf_stream_class_create("perf_stream"); | |
1392 | if (!stream_class) { | |
1393 | pr("Failed to create CTF stream class.\n"); | |
1394 | goto err_cleanup; | |
1395 | } | |
1396 | ||
1397 | cw->stream_class = stream_class; | |
1398 | ||
1399 | /* CTF clock stream setup */ | |
1400 | if (bt_ctf_stream_class_set_clock(stream_class, clock)) { | |
1401 | pr("Failed to assign CTF clock to stream class.\n"); | |
1402 | goto err_cleanup; | |
1403 | } | |
1404 | ||
1405 | if (ctf_writer__init_data(cw)) | |
1406 | goto err_cleanup; | |
1407 | ||
90e129ff SAS |
1408 | /* Add cpu_id for packet context */ |
1409 | pkt_ctx_type = bt_ctf_stream_class_get_packet_context_type(stream_class); | |
1410 | if (!pkt_ctx_type) | |
edbe9817 | 1411 | goto err_cleanup; |
edbe9817 | 1412 | |
90e129ff SAS |
1413 | ret = bt_ctf_field_type_structure_add_field(pkt_ctx_type, cw->data.u32, "cpu_id"); |
1414 | bt_ctf_field_type_put(pkt_ctx_type); | |
1415 | if (ret) | |
1416 | goto err_cleanup; | |
edbe9817 JO |
1417 | |
1418 | /* CTF clock writer setup */ | |
1419 | if (bt_ctf_writer_add_clock(writer, clock)) { | |
1420 | pr("Failed to assign CTF clock to writer.\n"); | |
1421 | goto err_cleanup; | |
1422 | } | |
1423 | ||
1424 | return 0; | |
1425 | ||
1426 | err_cleanup: | |
1427 | ctf_writer__cleanup(cw); | |
1428 | err: | |
1429 | pr_err("Failed to setup CTF writer.\n"); | |
1430 | return -1; | |
1431 | } | |
1432 | ||
90e129ff SAS |
1433 | static int ctf_writer__flush_streams(struct ctf_writer *cw) |
1434 | { | |
1435 | int cpu, ret = 0; | |
1436 | ||
1437 | for (cpu = 0; cpu < cw->stream_cnt && !ret; cpu++) | |
1438 | ret = ctf_stream__flush(cw->stream[cpu]); | |
1439 | ||
1440 | return ret; | |
1441 | } | |
1442 | ||
8fa46753 JO |
1443 | static int convert__config(const char *var, const char *value, void *cb) |
1444 | { | |
1445 | struct convert *c = cb; | |
1446 | ||
1447 | if (!strcmp(var, "convert.queue-size")) { | |
1448 | c->queue_size = perf_config_u64(var, value); | |
1449 | return 0; | |
1450 | } | |
1451 | ||
b8cbb349 | 1452 | return 0; |
8fa46753 JO |
1453 | } |
1454 | ||
3275f68e WN |
1455 | int bt_convert__perf2ctf(const char *input, const char *path, |
1456 | struct perf_data_convert_opts *opts) | |
edbe9817 JO |
1457 | { |
1458 | struct perf_session *session; | |
1459 | struct perf_data_file file = { | |
1460 | .path = input, | |
1461 | .mode = PERF_DATA_MODE_READ, | |
3275f68e | 1462 | .force = opts->force, |
edbe9817 JO |
1463 | }; |
1464 | struct convert c = { | |
1465 | .tool = { | |
1466 | .sample = process_sample_event, | |
1467 | .mmap = perf_event__process_mmap, | |
1468 | .mmap2 = perf_event__process_mmap2, | |
1469 | .comm = perf_event__process_comm, | |
1470 | .exit = perf_event__process_exit, | |
1471 | .fork = perf_event__process_fork, | |
1472 | .lost = perf_event__process_lost, | |
1473 | .tracing_data = perf_event__process_tracing_data, | |
1474 | .build_id = perf_event__process_build_id, | |
f3b3614a | 1475 | .namespaces = perf_event__process_namespaces, |
edbe9817 JO |
1476 | .ordered_events = true, |
1477 | .ordering_requires_timestamps = true, | |
1478 | }, | |
1479 | }; | |
1480 | struct ctf_writer *cw = &c.writer; | |
ecc4c561 | 1481 | int err; |
edbe9817 | 1482 | |
ebccba3f | 1483 | if (opts->all) { |
f5a08ced | 1484 | c.tool.comm = process_comm_event; |
ebccba3f WN |
1485 | c.tool.exit = process_exit_event; |
1486 | c.tool.fork = process_fork_event; | |
1487 | } | |
f5a08ced | 1488 | |
ecc4c561 ACM |
1489 | err = perf_config(convert__config, &c); |
1490 | if (err) | |
1491 | return err; | |
8fa46753 | 1492 | |
edbe9817 JO |
1493 | /* CTF writer */ |
1494 | if (ctf_writer__init(cw, path)) | |
1495 | return -1; | |
1496 | ||
ecc4c561 | 1497 | err = -1; |
edbe9817 | 1498 | /* perf.data session */ |
b7b61cbe | 1499 | session = perf_session__new(&file, 0, &c.tool); |
edbe9817 JO |
1500 | if (!session) |
1501 | goto free_writer; | |
1502 | ||
8fa46753 JO |
1503 | if (c.queue_size) { |
1504 | ordered_events__set_alloc_size(&session->ordered_events, | |
1505 | c.queue_size); | |
1506 | } | |
1507 | ||
edbe9817 JO |
1508 | /* CTF writer env/clock setup */ |
1509 | if (ctf_writer__setup_env(cw, session)) | |
1510 | goto free_session; | |
1511 | ||
1512 | /* CTF events setup */ | |
1513 | if (setup_events(cw, session)) | |
1514 | goto free_session; | |
1515 | ||
f5a08ced WN |
1516 | if (opts->all && setup_non_sample_events(cw, session)) |
1517 | goto free_session; | |
1518 | ||
90e129ff SAS |
1519 | if (setup_streams(cw, session)) |
1520 | goto free_session; | |
1521 | ||
b7b61cbe | 1522 | err = perf_session__process_events(session); |
edbe9817 | 1523 | if (!err) |
90e129ff | 1524 | err = ctf_writer__flush_streams(cw); |
c2141055 HK |
1525 | else |
1526 | pr_err("Error during conversion.\n"); | |
edbe9817 JO |
1527 | |
1528 | fprintf(stderr, | |
1529 | "[ perf data convert: Converted '%s' into CTF data '%s' ]\n", | |
1530 | file.path, path); | |
1531 | ||
1532 | fprintf(stderr, | |
8ee4c46c | 1533 | "[ perf data convert: Converted and wrote %.3f MB (%" PRIu64 " samples", |
edbe9817 JO |
1534 | (double) c.events_size / 1024.0 / 1024.0, |
1535 | c.events_count); | |
1536 | ||
8ee4c46c WN |
1537 | if (!c.non_sample_count) |
1538 | fprintf(stderr, ") ]\n"); | |
1539 | else | |
1540 | fprintf(stderr, ", %" PRIu64 " non-samples) ]\n", c.non_sample_count); | |
1541 | ||
5141d735 | 1542 | cleanup_events(session); |
edbe9817 | 1543 | perf_session__delete(session); |
c2141055 | 1544 | ctf_writer__cleanup(cw); |
edbe9817 | 1545 | |
c2141055 HK |
1546 | return err; |
1547 | ||
1548 | free_session: | |
1549 | perf_session__delete(session); | |
edbe9817 JO |
1550 | free_writer: |
1551 | ctf_writer__cleanup(cw); | |
c2141055 | 1552 | pr_err("Error during conversion setup.\n"); |
edbe9817 JO |
1553 | return err; |
1554 | } |