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Commit | Line | Data |
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94c744b6 | 1 | #include <linux/kernel.h> |
4e319027 | 2 | #include <traceevent/event-parse.h> |
94c744b6 | 3 | |
ba21594c | 4 | #include <byteswap.h> |
94c744b6 ACM |
5 | #include <unistd.h> |
6 | #include <sys/types.h> | |
a41794cd | 7 | #include <sys/mman.h> |
94c744b6 | 8 | |
e248de33 ACM |
9 | #include "evlist.h" |
10 | #include "evsel.h" | |
94c744b6 | 11 | #include "session.h" |
45694aa7 | 12 | #include "tool.h" |
a328626b | 13 | #include "sort.h" |
94c744b6 | 14 | #include "util.h" |
5d67be97 | 15 | #include "cpumap.h" |
0f6a3015 | 16 | #include "perf_regs.h" |
b0a45203 | 17 | #include "asm/bug.h" |
c446870d | 18 | #include "auxtrace.h" |
a5499b37 | 19 | #include "thread-stack.h" |
2d2aea6a | 20 | #include "stat.h" |
94c744b6 | 21 | |
c446870d AH |
22 | static int perf_session__deliver_event(struct perf_session *session, |
23 | union perf_event *event, | |
24 | struct perf_sample *sample, | |
25 | struct perf_tool *tool, | |
26 | u64 file_offset); | |
d10eb1eb | 27 | |
316c7136 | 28 | static int perf_session__open(struct perf_session *session) |
94c744b6 | 29 | { |
316c7136 | 30 | struct perf_data_file *file = session->file; |
8dc58101 | 31 | |
316c7136 | 32 | if (perf_session__read_header(session) < 0) { |
e87b4911 | 33 | pr_err("incompatible file format (rerun with -v to learn more)\n"); |
6a4d98d7 | 34 | return -1; |
94c744b6 ACM |
35 | } |
36 | ||
cc9784bd JO |
37 | if (perf_data_file__is_pipe(file)) |
38 | return 0; | |
39 | ||
3ba78bd0 JO |
40 | if (perf_header__has_feat(&session->header, HEADER_STAT)) |
41 | return 0; | |
42 | ||
316c7136 | 43 | if (!perf_evlist__valid_sample_type(session->evlist)) { |
e87b4911 | 44 | pr_err("non matching sample_type\n"); |
6a4d98d7 | 45 | return -1; |
c2a70653 ACM |
46 | } |
47 | ||
316c7136 | 48 | if (!perf_evlist__valid_sample_id_all(session->evlist)) { |
e87b4911 | 49 | pr_err("non matching sample_id_all\n"); |
6a4d98d7 | 50 | return -1; |
c2a70653 ACM |
51 | } |
52 | ||
316c7136 | 53 | if (!perf_evlist__valid_read_format(session->evlist)) { |
e87b4911 | 54 | pr_err("non matching read_format\n"); |
6a4d98d7 | 55 | return -1; |
9ede473c JO |
56 | } |
57 | ||
94c744b6 | 58 | return 0; |
94c744b6 ACM |
59 | } |
60 | ||
7b56cce2 | 61 | void perf_session__set_id_hdr_size(struct perf_session *session) |
9c90a61c | 62 | { |
7b56cce2 ACM |
63 | u16 id_hdr_size = perf_evlist__id_hdr_size(session->evlist); |
64 | ||
7b56cce2 | 65 | machines__set_id_hdr_size(&session->machines, id_hdr_size); |
9c90a61c ACM |
66 | } |
67 | ||
316c7136 | 68 | int perf_session__create_kernel_maps(struct perf_session *session) |
a1645ce1 | 69 | { |
316c7136 | 70 | int ret = machine__create_kernel_maps(&session->machines.host); |
a1645ce1 | 71 | |
a1645ce1 | 72 | if (ret >= 0) |
316c7136 | 73 | ret = machines__create_guest_kernel_maps(&session->machines); |
a1645ce1 ZY |
74 | return ret; |
75 | } | |
76 | ||
316c7136 | 77 | static void perf_session__destroy_kernel_maps(struct perf_session *session) |
076c6e45 | 78 | { |
316c7136 | 79 | machines__destroy_kernel_maps(&session->machines); |
076c6e45 ACM |
80 | } |
81 | ||
cfe1c414 AH |
82 | static bool perf_session__has_comm_exec(struct perf_session *session) |
83 | { | |
84 | struct perf_evsel *evsel; | |
85 | ||
86 | evlist__for_each(session->evlist, evsel) { | |
87 | if (evsel->attr.comm_exec) | |
88 | return true; | |
89 | } | |
90 | ||
91 | return false; | |
92 | } | |
93 | ||
94 | static void perf_session__set_comm_exec(struct perf_session *session) | |
95 | { | |
96 | bool comm_exec = perf_session__has_comm_exec(session); | |
97 | ||
98 | machines__set_comm_exec(&session->machines, comm_exec); | |
99 | } | |
100 | ||
d10eb1eb | 101 | static int ordered_events__deliver_event(struct ordered_events *oe, |
9870d780 | 102 | struct ordered_event *event) |
d10eb1eb | 103 | { |
9870d780 ACM |
104 | struct perf_sample sample; |
105 | struct perf_session *session = container_of(oe, struct perf_session, | |
106 | ordered_events); | |
107 | int ret = perf_evlist__parse_sample(session->evlist, event->event, &sample); | |
108 | ||
109 | if (ret) { | |
110 | pr_err("Can't parse sample, err = %d\n", ret); | |
111 | return ret; | |
112 | } | |
113 | ||
c446870d AH |
114 | return perf_session__deliver_event(session, event->event, &sample, |
115 | session->tool, event->file_offset); | |
d10eb1eb ACM |
116 | } |
117 | ||
f5fc1412 JO |
118 | struct perf_session *perf_session__new(struct perf_data_file *file, |
119 | bool repipe, struct perf_tool *tool) | |
94c744b6 | 120 | { |
316c7136 | 121 | struct perf_session *session = zalloc(sizeof(*session)); |
efad1415 | 122 | |
316c7136 | 123 | if (!session) |
94c744b6 ACM |
124 | goto out; |
125 | ||
316c7136 | 126 | session->repipe = repipe; |
9870d780 | 127 | session->tool = tool; |
99fa2984 | 128 | INIT_LIST_HEAD(&session->auxtrace_index); |
316c7136 | 129 | machines__init(&session->machines); |
9870d780 | 130 | ordered_events__init(&session->ordered_events, ordered_events__deliver_event); |
94c744b6 | 131 | |
6a4d98d7 JO |
132 | if (file) { |
133 | if (perf_data_file__open(file)) | |
64abebf7 | 134 | goto out_delete; |
6a4d98d7 | 135 | |
316c7136 | 136 | session->file = file; |
6a4d98d7 JO |
137 | |
138 | if (perf_data_file__is_read(file)) { | |
316c7136 | 139 | if (perf_session__open(session) < 0) |
6a4d98d7 JO |
140 | goto out_close; |
141 | ||
316c7136 | 142 | perf_session__set_id_hdr_size(session); |
cfe1c414 | 143 | perf_session__set_comm_exec(session); |
6a4d98d7 | 144 | } |
4cde998d ACM |
145 | } else { |
146 | session->machines.host.env = &perf_env; | |
6a4d98d7 JO |
147 | } |
148 | ||
149 | if (!file || perf_data_file__is_write(file)) { | |
64abebf7 ACM |
150 | /* |
151 | * In O_RDONLY mode this will be performed when reading the | |
8115d60c | 152 | * kernel MMAP event, in perf_event__process_mmap(). |
64abebf7 | 153 | */ |
316c7136 | 154 | if (perf_session__create_kernel_maps(session) < 0) |
a5c2a4c9 | 155 | pr_warning("Cannot read kernel map\n"); |
64abebf7 | 156 | } |
d549c769 | 157 | |
45694aa7 | 158 | if (tool && tool->ordering_requires_timestamps && |
0a8cb85c | 159 | tool->ordered_events && !perf_evlist__sample_id_all(session->evlist)) { |
21ef97f0 | 160 | dump_printf("WARNING: No sample_id_all support, falling back to unordered processing\n"); |
0a8cb85c | 161 | tool->ordered_events = false; |
d10eb1eb | 162 | } |
21ef97f0 | 163 | |
316c7136 | 164 | return session; |
6a4d98d7 JO |
165 | |
166 | out_close: | |
167 | perf_data_file__close(file); | |
168 | out_delete: | |
316c7136 | 169 | perf_session__delete(session); |
6a4d98d7 | 170 | out: |
4aa65636 | 171 | return NULL; |
94c744b6 ACM |
172 | } |
173 | ||
b424eba2 ACM |
174 | static void perf_session__delete_threads(struct perf_session *session) |
175 | { | |
876650e6 | 176 | machine__delete_threads(&session->machines.host); |
b424eba2 ACM |
177 | } |
178 | ||
316c7136 | 179 | void perf_session__delete(struct perf_session *session) |
94c744b6 | 180 | { |
c446870d | 181 | auxtrace__free(session); |
99fa2984 | 182 | auxtrace_index__free(&session->auxtrace_index); |
316c7136 | 183 | perf_session__destroy_kernel_maps(session); |
316c7136 | 184 | perf_session__delete_threads(session); |
f0ce888c | 185 | perf_env__exit(&session->header.env); |
316c7136 ACM |
186 | machines__exit(&session->machines); |
187 | if (session->file) | |
188 | perf_data_file__close(session->file); | |
189 | free(session); | |
94c744b6 | 190 | } |
a328626b | 191 | |
47c3d109 AH |
192 | static int process_event_synth_tracing_data_stub(struct perf_tool *tool |
193 | __maybe_unused, | |
194 | union perf_event *event | |
1d037ca1 IT |
195 | __maybe_unused, |
196 | struct perf_session *session | |
197 | __maybe_unused) | |
d20deb64 ACM |
198 | { |
199 | dump_printf(": unhandled!\n"); | |
200 | return 0; | |
201 | } | |
202 | ||
47c3d109 AH |
203 | static int process_event_synth_attr_stub(struct perf_tool *tool __maybe_unused, |
204 | union perf_event *event __maybe_unused, | |
1d037ca1 IT |
205 | struct perf_evlist **pevlist |
206 | __maybe_unused) | |
10d0f086 ACM |
207 | { |
208 | dump_printf(": unhandled!\n"); | |
209 | return 0; | |
210 | } | |
211 | ||
ffe77725 JO |
212 | static int process_event_synth_event_update_stub(struct perf_tool *tool __maybe_unused, |
213 | union perf_event *event __maybe_unused, | |
214 | struct perf_evlist **pevlist | |
215 | __maybe_unused) | |
216 | { | |
2d2aea6a JO |
217 | if (dump_trace) |
218 | perf_event__fprintf_event_update(event, stdout); | |
219 | ||
ffe77725 JO |
220 | dump_printf(": unhandled!\n"); |
221 | return 0; | |
222 | } | |
223 | ||
1d037ca1 IT |
224 | static int process_event_sample_stub(struct perf_tool *tool __maybe_unused, |
225 | union perf_event *event __maybe_unused, | |
226 | struct perf_sample *sample __maybe_unused, | |
227 | struct perf_evsel *evsel __maybe_unused, | |
228 | struct machine *machine __maybe_unused) | |
9e69c210 ACM |
229 | { |
230 | dump_printf(": unhandled!\n"); | |
231 | return 0; | |
232 | } | |
233 | ||
1d037ca1 IT |
234 | static int process_event_stub(struct perf_tool *tool __maybe_unused, |
235 | union perf_event *event __maybe_unused, | |
236 | struct perf_sample *sample __maybe_unused, | |
237 | struct machine *machine __maybe_unused) | |
06aae590 ACM |
238 | { |
239 | dump_printf(": unhandled!\n"); | |
240 | return 0; | |
241 | } | |
242 | ||
d704ebda ACM |
243 | static int process_build_id_stub(struct perf_tool *tool __maybe_unused, |
244 | union perf_event *event __maybe_unused, | |
245 | struct perf_session *session __maybe_unused) | |
246 | { | |
247 | dump_printf(": unhandled!\n"); | |
248 | return 0; | |
249 | } | |
250 | ||
1d037ca1 IT |
251 | static int process_finished_round_stub(struct perf_tool *tool __maybe_unused, |
252 | union perf_event *event __maybe_unused, | |
d704ebda | 253 | struct ordered_events *oe __maybe_unused) |
743eb868 ACM |
254 | { |
255 | dump_printf(": unhandled!\n"); | |
256 | return 0; | |
257 | } | |
258 | ||
45694aa7 | 259 | static int process_finished_round(struct perf_tool *tool, |
d20deb64 | 260 | union perf_event *event, |
d704ebda | 261 | struct ordered_events *oe); |
d6b17beb | 262 | |
3c659eed AH |
263 | static int process_id_index_stub(struct perf_tool *tool __maybe_unused, |
264 | union perf_event *event __maybe_unused, | |
265 | struct perf_session *perf_session | |
266 | __maybe_unused) | |
267 | { | |
268 | dump_printf(": unhandled!\n"); | |
269 | return 0; | |
270 | } | |
271 | ||
a16ac023 AH |
272 | static int process_event_auxtrace_info_stub(struct perf_tool *tool __maybe_unused, |
273 | union perf_event *event __maybe_unused, | |
274 | struct perf_session *session __maybe_unused) | |
275 | { | |
276 | dump_printf(": unhandled!\n"); | |
277 | return 0; | |
278 | } | |
279 | ||
280 | static int skipn(int fd, off_t n) | |
281 | { | |
282 | char buf[4096]; | |
283 | ssize_t ret; | |
284 | ||
285 | while (n > 0) { | |
286 | ret = read(fd, buf, min(n, (off_t)sizeof(buf))); | |
287 | if (ret <= 0) | |
288 | return ret; | |
289 | n -= ret; | |
290 | } | |
291 | ||
292 | return 0; | |
293 | } | |
294 | ||
295 | static s64 process_event_auxtrace_stub(struct perf_tool *tool __maybe_unused, | |
296 | union perf_event *event, | |
297 | struct perf_session *session | |
298 | __maybe_unused) | |
299 | { | |
300 | dump_printf(": unhandled!\n"); | |
301 | if (perf_data_file__is_pipe(session->file)) | |
302 | skipn(perf_data_file__fd(session->file), event->auxtrace.size); | |
303 | return event->auxtrace.size; | |
304 | } | |
305 | ||
e9bf54d2 AH |
306 | static |
307 | int process_event_auxtrace_error_stub(struct perf_tool *tool __maybe_unused, | |
308 | union perf_event *event __maybe_unused, | |
309 | struct perf_session *session __maybe_unused) | |
310 | { | |
311 | dump_printf(": unhandled!\n"); | |
312 | return 0; | |
313 | } | |
314 | ||
5f3339d2 JO |
315 | |
316 | static | |
317 | int process_event_thread_map_stub(struct perf_tool *tool __maybe_unused, | |
318 | union perf_event *event __maybe_unused, | |
319 | struct perf_session *session __maybe_unused) | |
320 | { | |
2d2aea6a JO |
321 | if (dump_trace) |
322 | perf_event__fprintf_thread_map(event, stdout); | |
323 | ||
5f3339d2 JO |
324 | dump_printf(": unhandled!\n"); |
325 | return 0; | |
326 | } | |
327 | ||
6640b6c2 JO |
328 | static |
329 | int process_event_cpu_map_stub(struct perf_tool *tool __maybe_unused, | |
330 | union perf_event *event __maybe_unused, | |
331 | struct perf_session *session __maybe_unused) | |
332 | { | |
2d2aea6a JO |
333 | if (dump_trace) |
334 | perf_event__fprintf_cpu_map(event, stdout); | |
335 | ||
6640b6c2 JO |
336 | dump_printf(": unhandled!\n"); |
337 | return 0; | |
338 | } | |
339 | ||
374fb9e3 JO |
340 | static |
341 | int process_event_stat_config_stub(struct perf_tool *tool __maybe_unused, | |
342 | union perf_event *event __maybe_unused, | |
343 | struct perf_session *session __maybe_unused) | |
344 | { | |
2d2aea6a JO |
345 | if (dump_trace) |
346 | perf_event__fprintf_stat_config(event, stdout); | |
347 | ||
374fb9e3 JO |
348 | dump_printf(": unhandled!\n"); |
349 | return 0; | |
350 | } | |
351 | ||
d80518c9 JO |
352 | static int process_stat_stub(struct perf_tool *tool __maybe_unused, |
353 | union perf_event *event __maybe_unused, | |
354 | struct perf_session *perf_session | |
355 | __maybe_unused) | |
356 | { | |
2d2aea6a JO |
357 | if (dump_trace) |
358 | perf_event__fprintf_stat(event, stdout); | |
359 | ||
d80518c9 JO |
360 | dump_printf(": unhandled!\n"); |
361 | return 0; | |
362 | } | |
363 | ||
2d8f0f18 JO |
364 | static int process_stat_round_stub(struct perf_tool *tool __maybe_unused, |
365 | union perf_event *event __maybe_unused, | |
366 | struct perf_session *perf_session | |
367 | __maybe_unused) | |
368 | { | |
2d2aea6a JO |
369 | if (dump_trace) |
370 | perf_event__fprintf_stat_round(event, stdout); | |
371 | ||
2d8f0f18 JO |
372 | dump_printf(": unhandled!\n"); |
373 | return 0; | |
374 | } | |
375 | ||
9c501402 | 376 | void perf_tool__fill_defaults(struct perf_tool *tool) |
06aae590 | 377 | { |
45694aa7 ACM |
378 | if (tool->sample == NULL) |
379 | tool->sample = process_event_sample_stub; | |
380 | if (tool->mmap == NULL) | |
381 | tool->mmap = process_event_stub; | |
6adb0b0a DA |
382 | if (tool->mmap2 == NULL) |
383 | tool->mmap2 = process_event_stub; | |
45694aa7 ACM |
384 | if (tool->comm == NULL) |
385 | tool->comm = process_event_stub; | |
386 | if (tool->fork == NULL) | |
387 | tool->fork = process_event_stub; | |
388 | if (tool->exit == NULL) | |
389 | tool->exit = process_event_stub; | |
390 | if (tool->lost == NULL) | |
391 | tool->lost = perf_event__process_lost; | |
c4937a91 KL |
392 | if (tool->lost_samples == NULL) |
393 | tool->lost_samples = perf_event__process_lost_samples; | |
4a96f7a0 AH |
394 | if (tool->aux == NULL) |
395 | tool->aux = perf_event__process_aux; | |
0ad21f68 AH |
396 | if (tool->itrace_start == NULL) |
397 | tool->itrace_start = perf_event__process_itrace_start; | |
0286039f AH |
398 | if (tool->context_switch == NULL) |
399 | tool->context_switch = perf_event__process_switch; | |
45694aa7 ACM |
400 | if (tool->read == NULL) |
401 | tool->read = process_event_sample_stub; | |
402 | if (tool->throttle == NULL) | |
403 | tool->throttle = process_event_stub; | |
404 | if (tool->unthrottle == NULL) | |
405 | tool->unthrottle = process_event_stub; | |
406 | if (tool->attr == NULL) | |
407 | tool->attr = process_event_synth_attr_stub; | |
ffe77725 JO |
408 | if (tool->event_update == NULL) |
409 | tool->event_update = process_event_synth_event_update_stub; | |
45694aa7 ACM |
410 | if (tool->tracing_data == NULL) |
411 | tool->tracing_data = process_event_synth_tracing_data_stub; | |
412 | if (tool->build_id == NULL) | |
d704ebda | 413 | tool->build_id = process_build_id_stub; |
45694aa7 | 414 | if (tool->finished_round == NULL) { |
0a8cb85c | 415 | if (tool->ordered_events) |
45694aa7 | 416 | tool->finished_round = process_finished_round; |
d6b17beb | 417 | else |
45694aa7 | 418 | tool->finished_round = process_finished_round_stub; |
d6b17beb | 419 | } |
3c659eed AH |
420 | if (tool->id_index == NULL) |
421 | tool->id_index = process_id_index_stub; | |
a16ac023 AH |
422 | if (tool->auxtrace_info == NULL) |
423 | tool->auxtrace_info = process_event_auxtrace_info_stub; | |
424 | if (tool->auxtrace == NULL) | |
425 | tool->auxtrace = process_event_auxtrace_stub; | |
e9bf54d2 AH |
426 | if (tool->auxtrace_error == NULL) |
427 | tool->auxtrace_error = process_event_auxtrace_error_stub; | |
5f3339d2 JO |
428 | if (tool->thread_map == NULL) |
429 | tool->thread_map = process_event_thread_map_stub; | |
6640b6c2 JO |
430 | if (tool->cpu_map == NULL) |
431 | tool->cpu_map = process_event_cpu_map_stub; | |
374fb9e3 JO |
432 | if (tool->stat_config == NULL) |
433 | tool->stat_config = process_event_stat_config_stub; | |
d80518c9 JO |
434 | if (tool->stat == NULL) |
435 | tool->stat = process_stat_stub; | |
2d8f0f18 JO |
436 | if (tool->stat_round == NULL) |
437 | tool->stat_round = process_stat_round_stub; | |
06aae590 | 438 | } |
48000a1a | 439 | |
268fb20f JO |
440 | static void swap_sample_id_all(union perf_event *event, void *data) |
441 | { | |
442 | void *end = (void *) event + event->header.size; | |
443 | int size = end - data; | |
444 | ||
445 | BUG_ON(size % sizeof(u64)); | |
446 | mem_bswap_64(data, size); | |
447 | } | |
448 | ||
449 | static void perf_event__all64_swap(union perf_event *event, | |
1d037ca1 | 450 | bool sample_id_all __maybe_unused) |
ba21594c | 451 | { |
8115d60c ACM |
452 | struct perf_event_header *hdr = &event->header; |
453 | mem_bswap_64(hdr + 1, event->header.size - sizeof(*hdr)); | |
ba21594c ACM |
454 | } |
455 | ||
268fb20f | 456 | static void perf_event__comm_swap(union perf_event *event, bool sample_id_all) |
ba21594c | 457 | { |
8115d60c ACM |
458 | event->comm.pid = bswap_32(event->comm.pid); |
459 | event->comm.tid = bswap_32(event->comm.tid); | |
268fb20f JO |
460 | |
461 | if (sample_id_all) { | |
462 | void *data = &event->comm.comm; | |
463 | ||
9ac3e487 | 464 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
268fb20f JO |
465 | swap_sample_id_all(event, data); |
466 | } | |
ba21594c ACM |
467 | } |
468 | ||
268fb20f JO |
469 | static void perf_event__mmap_swap(union perf_event *event, |
470 | bool sample_id_all) | |
ba21594c | 471 | { |
8115d60c ACM |
472 | event->mmap.pid = bswap_32(event->mmap.pid); |
473 | event->mmap.tid = bswap_32(event->mmap.tid); | |
474 | event->mmap.start = bswap_64(event->mmap.start); | |
475 | event->mmap.len = bswap_64(event->mmap.len); | |
476 | event->mmap.pgoff = bswap_64(event->mmap.pgoff); | |
268fb20f JO |
477 | |
478 | if (sample_id_all) { | |
479 | void *data = &event->mmap.filename; | |
480 | ||
9ac3e487 | 481 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
268fb20f JO |
482 | swap_sample_id_all(event, data); |
483 | } | |
ba21594c ACM |
484 | } |
485 | ||
5c5e854b SE |
486 | static void perf_event__mmap2_swap(union perf_event *event, |
487 | bool sample_id_all) | |
488 | { | |
489 | event->mmap2.pid = bswap_32(event->mmap2.pid); | |
490 | event->mmap2.tid = bswap_32(event->mmap2.tid); | |
491 | event->mmap2.start = bswap_64(event->mmap2.start); | |
492 | event->mmap2.len = bswap_64(event->mmap2.len); | |
493 | event->mmap2.pgoff = bswap_64(event->mmap2.pgoff); | |
494 | event->mmap2.maj = bswap_32(event->mmap2.maj); | |
495 | event->mmap2.min = bswap_32(event->mmap2.min); | |
496 | event->mmap2.ino = bswap_64(event->mmap2.ino); | |
497 | ||
498 | if (sample_id_all) { | |
499 | void *data = &event->mmap2.filename; | |
500 | ||
501 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); | |
502 | swap_sample_id_all(event, data); | |
503 | } | |
504 | } | |
268fb20f | 505 | static void perf_event__task_swap(union perf_event *event, bool sample_id_all) |
ba21594c | 506 | { |
8115d60c ACM |
507 | event->fork.pid = bswap_32(event->fork.pid); |
508 | event->fork.tid = bswap_32(event->fork.tid); | |
509 | event->fork.ppid = bswap_32(event->fork.ppid); | |
510 | event->fork.ptid = bswap_32(event->fork.ptid); | |
511 | event->fork.time = bswap_64(event->fork.time); | |
268fb20f JO |
512 | |
513 | if (sample_id_all) | |
514 | swap_sample_id_all(event, &event->fork + 1); | |
ba21594c ACM |
515 | } |
516 | ||
268fb20f | 517 | static void perf_event__read_swap(union perf_event *event, bool sample_id_all) |
ba21594c | 518 | { |
8115d60c ACM |
519 | event->read.pid = bswap_32(event->read.pid); |
520 | event->read.tid = bswap_32(event->read.tid); | |
521 | event->read.value = bswap_64(event->read.value); | |
522 | event->read.time_enabled = bswap_64(event->read.time_enabled); | |
523 | event->read.time_running = bswap_64(event->read.time_running); | |
524 | event->read.id = bswap_64(event->read.id); | |
268fb20f JO |
525 | |
526 | if (sample_id_all) | |
527 | swap_sample_id_all(event, &event->read + 1); | |
ba21594c ACM |
528 | } |
529 | ||
4a96f7a0 AH |
530 | static void perf_event__aux_swap(union perf_event *event, bool sample_id_all) |
531 | { | |
532 | event->aux.aux_offset = bswap_64(event->aux.aux_offset); | |
533 | event->aux.aux_size = bswap_64(event->aux.aux_size); | |
534 | event->aux.flags = bswap_64(event->aux.flags); | |
535 | ||
536 | if (sample_id_all) | |
537 | swap_sample_id_all(event, &event->aux + 1); | |
538 | } | |
539 | ||
0ad21f68 AH |
540 | static void perf_event__itrace_start_swap(union perf_event *event, |
541 | bool sample_id_all) | |
542 | { | |
543 | event->itrace_start.pid = bswap_32(event->itrace_start.pid); | |
544 | event->itrace_start.tid = bswap_32(event->itrace_start.tid); | |
545 | ||
546 | if (sample_id_all) | |
547 | swap_sample_id_all(event, &event->itrace_start + 1); | |
548 | } | |
549 | ||
0286039f AH |
550 | static void perf_event__switch_swap(union perf_event *event, bool sample_id_all) |
551 | { | |
552 | if (event->header.type == PERF_RECORD_SWITCH_CPU_WIDE) { | |
553 | event->context_switch.next_prev_pid = | |
554 | bswap_32(event->context_switch.next_prev_pid); | |
555 | event->context_switch.next_prev_tid = | |
556 | bswap_32(event->context_switch.next_prev_tid); | |
557 | } | |
558 | ||
559 | if (sample_id_all) | |
560 | swap_sample_id_all(event, &event->context_switch + 1); | |
561 | } | |
562 | ||
dd96c46b JO |
563 | static void perf_event__throttle_swap(union perf_event *event, |
564 | bool sample_id_all) | |
565 | { | |
566 | event->throttle.time = bswap_64(event->throttle.time); | |
567 | event->throttle.id = bswap_64(event->throttle.id); | |
568 | event->throttle.stream_id = bswap_64(event->throttle.stream_id); | |
569 | ||
570 | if (sample_id_all) | |
571 | swap_sample_id_all(event, &event->throttle + 1); | |
572 | } | |
573 | ||
e108c66e JO |
574 | static u8 revbyte(u8 b) |
575 | { | |
576 | int rev = (b >> 4) | ((b & 0xf) << 4); | |
577 | rev = ((rev & 0xcc) >> 2) | ((rev & 0x33) << 2); | |
578 | rev = ((rev & 0xaa) >> 1) | ((rev & 0x55) << 1); | |
579 | return (u8) rev; | |
580 | } | |
581 | ||
582 | /* | |
583 | * XXX this is hack in attempt to carry flags bitfield | |
584 | * throught endian village. ABI says: | |
585 | * | |
586 | * Bit-fields are allocated from right to left (least to most significant) | |
587 | * on little-endian implementations and from left to right (most to least | |
588 | * significant) on big-endian implementations. | |
589 | * | |
590 | * The above seems to be byte specific, so we need to reverse each | |
591 | * byte of the bitfield. 'Internet' also says this might be implementation | |
592 | * specific and we probably need proper fix and carry perf_event_attr | |
593 | * bitfield flags in separate data file FEAT_ section. Thought this seems | |
594 | * to work for now. | |
595 | */ | |
596 | static void swap_bitfield(u8 *p, unsigned len) | |
597 | { | |
598 | unsigned i; | |
599 | ||
600 | for (i = 0; i < len; i++) { | |
601 | *p = revbyte(*p); | |
602 | p++; | |
603 | } | |
604 | } | |
605 | ||
eda3913b DA |
606 | /* exported for swapping attributes in file header */ |
607 | void perf_event__attr_swap(struct perf_event_attr *attr) | |
608 | { | |
609 | attr->type = bswap_32(attr->type); | |
610 | attr->size = bswap_32(attr->size); | |
b30b6172 WN |
611 | |
612 | #define bswap_safe(f, n) \ | |
613 | (attr->size > (offsetof(struct perf_event_attr, f) + \ | |
614 | sizeof(attr->f) * (n))) | |
615 | #define bswap_field(f, sz) \ | |
616 | do { \ | |
617 | if (bswap_safe(f, 0)) \ | |
618 | attr->f = bswap_##sz(attr->f); \ | |
619 | } while(0) | |
620 | #define bswap_field_32(f) bswap_field(f, 32) | |
621 | #define bswap_field_64(f) bswap_field(f, 64) | |
622 | ||
623 | bswap_field_64(config); | |
624 | bswap_field_64(sample_period); | |
625 | bswap_field_64(sample_type); | |
626 | bswap_field_64(read_format); | |
627 | bswap_field_32(wakeup_events); | |
628 | bswap_field_32(bp_type); | |
629 | bswap_field_64(bp_addr); | |
630 | bswap_field_64(bp_len); | |
631 | bswap_field_64(branch_sample_type); | |
632 | bswap_field_64(sample_regs_user); | |
633 | bswap_field_32(sample_stack_user); | |
634 | bswap_field_32(aux_watermark); | |
635 | ||
636 | /* | |
637 | * After read_format are bitfields. Check read_format because | |
638 | * we are unable to use offsetof on bitfield. | |
639 | */ | |
640 | if (bswap_safe(read_format, 1)) | |
641 | swap_bitfield((u8 *) (&attr->read_format + 1), | |
642 | sizeof(u64)); | |
643 | #undef bswap_field_64 | |
644 | #undef bswap_field_32 | |
645 | #undef bswap_field | |
646 | #undef bswap_safe | |
eda3913b DA |
647 | } |
648 | ||
268fb20f | 649 | static void perf_event__hdr_attr_swap(union perf_event *event, |
1d037ca1 | 650 | bool sample_id_all __maybe_unused) |
2c46dbb5 TZ |
651 | { |
652 | size_t size; | |
653 | ||
eda3913b | 654 | perf_event__attr_swap(&event->attr.attr); |
2c46dbb5 | 655 | |
8115d60c ACM |
656 | size = event->header.size; |
657 | size -= (void *)&event->attr.id - (void *)event; | |
658 | mem_bswap_64(event->attr.id, size); | |
2c46dbb5 TZ |
659 | } |
660 | ||
ffe77725 JO |
661 | static void perf_event__event_update_swap(union perf_event *event, |
662 | bool sample_id_all __maybe_unused) | |
663 | { | |
664 | event->event_update.type = bswap_64(event->event_update.type); | |
665 | event->event_update.id = bswap_64(event->event_update.id); | |
666 | } | |
667 | ||
268fb20f | 668 | static void perf_event__event_type_swap(union perf_event *event, |
1d037ca1 | 669 | bool sample_id_all __maybe_unused) |
cd19a035 | 670 | { |
8115d60c ACM |
671 | event->event_type.event_type.event_id = |
672 | bswap_64(event->event_type.event_type.event_id); | |
cd19a035 TZ |
673 | } |
674 | ||
268fb20f | 675 | static void perf_event__tracing_data_swap(union perf_event *event, |
1d037ca1 | 676 | bool sample_id_all __maybe_unused) |
9215545e | 677 | { |
8115d60c | 678 | event->tracing_data.size = bswap_32(event->tracing_data.size); |
9215545e TZ |
679 | } |
680 | ||
a16ac023 AH |
681 | static void perf_event__auxtrace_info_swap(union perf_event *event, |
682 | bool sample_id_all __maybe_unused) | |
683 | { | |
684 | size_t size; | |
685 | ||
686 | event->auxtrace_info.type = bswap_32(event->auxtrace_info.type); | |
687 | ||
688 | size = event->header.size; | |
689 | size -= (void *)&event->auxtrace_info.priv - (void *)event; | |
690 | mem_bswap_64(event->auxtrace_info.priv, size); | |
691 | } | |
692 | ||
693 | static void perf_event__auxtrace_swap(union perf_event *event, | |
694 | bool sample_id_all __maybe_unused) | |
695 | { | |
696 | event->auxtrace.size = bswap_64(event->auxtrace.size); | |
697 | event->auxtrace.offset = bswap_64(event->auxtrace.offset); | |
698 | event->auxtrace.reference = bswap_64(event->auxtrace.reference); | |
699 | event->auxtrace.idx = bswap_32(event->auxtrace.idx); | |
700 | event->auxtrace.tid = bswap_32(event->auxtrace.tid); | |
701 | event->auxtrace.cpu = bswap_32(event->auxtrace.cpu); | |
702 | } | |
703 | ||
e9bf54d2 AH |
704 | static void perf_event__auxtrace_error_swap(union perf_event *event, |
705 | bool sample_id_all __maybe_unused) | |
706 | { | |
707 | event->auxtrace_error.type = bswap_32(event->auxtrace_error.type); | |
708 | event->auxtrace_error.code = bswap_32(event->auxtrace_error.code); | |
709 | event->auxtrace_error.cpu = bswap_32(event->auxtrace_error.cpu); | |
710 | event->auxtrace_error.pid = bswap_32(event->auxtrace_error.pid); | |
711 | event->auxtrace_error.tid = bswap_32(event->auxtrace_error.tid); | |
712 | event->auxtrace_error.ip = bswap_64(event->auxtrace_error.ip); | |
713 | } | |
714 | ||
5f3339d2 JO |
715 | static void perf_event__thread_map_swap(union perf_event *event, |
716 | bool sample_id_all __maybe_unused) | |
717 | { | |
718 | unsigned i; | |
719 | ||
720 | event->thread_map.nr = bswap_64(event->thread_map.nr); | |
721 | ||
722 | for (i = 0; i < event->thread_map.nr; i++) | |
723 | event->thread_map.entries[i].pid = bswap_64(event->thread_map.entries[i].pid); | |
724 | } | |
725 | ||
6640b6c2 JO |
726 | static void perf_event__cpu_map_swap(union perf_event *event, |
727 | bool sample_id_all __maybe_unused) | |
728 | { | |
729 | struct cpu_map_data *data = &event->cpu_map.data; | |
730 | struct cpu_map_entries *cpus; | |
731 | struct cpu_map_mask *mask; | |
732 | unsigned i; | |
733 | ||
734 | data->type = bswap_64(data->type); | |
735 | ||
736 | switch (data->type) { | |
737 | case PERF_CPU_MAP__CPUS: | |
738 | cpus = (struct cpu_map_entries *)data->data; | |
739 | ||
740 | cpus->nr = bswap_16(cpus->nr); | |
741 | ||
742 | for (i = 0; i < cpus->nr; i++) | |
743 | cpus->cpu[i] = bswap_16(cpus->cpu[i]); | |
744 | break; | |
745 | case PERF_CPU_MAP__MASK: | |
746 | mask = (struct cpu_map_mask *) data->data; | |
747 | ||
748 | mask->nr = bswap_16(mask->nr); | |
749 | mask->long_size = bswap_16(mask->long_size); | |
750 | ||
751 | switch (mask->long_size) { | |
752 | case 4: mem_bswap_32(&mask->mask, mask->nr); break; | |
753 | case 8: mem_bswap_64(&mask->mask, mask->nr); break; | |
754 | default: | |
755 | pr_err("cpu_map swap: unsupported long size\n"); | |
756 | } | |
757 | default: | |
758 | break; | |
759 | } | |
760 | } | |
761 | ||
374fb9e3 JO |
762 | static void perf_event__stat_config_swap(union perf_event *event, |
763 | bool sample_id_all __maybe_unused) | |
764 | { | |
765 | u64 size; | |
766 | ||
767 | size = event->stat_config.nr * sizeof(event->stat_config.data[0]); | |
768 | size += 1; /* nr item itself */ | |
769 | mem_bswap_64(&event->stat_config.nr, size); | |
770 | } | |
771 | ||
d80518c9 JO |
772 | static void perf_event__stat_swap(union perf_event *event, |
773 | bool sample_id_all __maybe_unused) | |
774 | { | |
775 | event->stat.id = bswap_64(event->stat.id); | |
776 | event->stat.thread = bswap_32(event->stat.thread); | |
777 | event->stat.cpu = bswap_32(event->stat.cpu); | |
778 | event->stat.val = bswap_64(event->stat.val); | |
779 | event->stat.ena = bswap_64(event->stat.ena); | |
780 | event->stat.run = bswap_64(event->stat.run); | |
781 | } | |
782 | ||
2d8f0f18 JO |
783 | static void perf_event__stat_round_swap(union perf_event *event, |
784 | bool sample_id_all __maybe_unused) | |
785 | { | |
786 | event->stat_round.type = bswap_64(event->stat_round.type); | |
787 | event->stat_round.time = bswap_64(event->stat_round.time); | |
788 | } | |
789 | ||
268fb20f JO |
790 | typedef void (*perf_event__swap_op)(union perf_event *event, |
791 | bool sample_id_all); | |
ba21594c | 792 | |
8115d60c ACM |
793 | static perf_event__swap_op perf_event__swap_ops[] = { |
794 | [PERF_RECORD_MMAP] = perf_event__mmap_swap, | |
5c5e854b | 795 | [PERF_RECORD_MMAP2] = perf_event__mmap2_swap, |
8115d60c ACM |
796 | [PERF_RECORD_COMM] = perf_event__comm_swap, |
797 | [PERF_RECORD_FORK] = perf_event__task_swap, | |
798 | [PERF_RECORD_EXIT] = perf_event__task_swap, | |
799 | [PERF_RECORD_LOST] = perf_event__all64_swap, | |
800 | [PERF_RECORD_READ] = perf_event__read_swap, | |
dd96c46b JO |
801 | [PERF_RECORD_THROTTLE] = perf_event__throttle_swap, |
802 | [PERF_RECORD_UNTHROTTLE] = perf_event__throttle_swap, | |
8115d60c | 803 | [PERF_RECORD_SAMPLE] = perf_event__all64_swap, |
4a96f7a0 | 804 | [PERF_RECORD_AUX] = perf_event__aux_swap, |
0ad21f68 | 805 | [PERF_RECORD_ITRACE_START] = perf_event__itrace_start_swap, |
c4937a91 | 806 | [PERF_RECORD_LOST_SAMPLES] = perf_event__all64_swap, |
0286039f AH |
807 | [PERF_RECORD_SWITCH] = perf_event__switch_swap, |
808 | [PERF_RECORD_SWITCH_CPU_WIDE] = perf_event__switch_swap, | |
eda3913b | 809 | [PERF_RECORD_HEADER_ATTR] = perf_event__hdr_attr_swap, |
8115d60c ACM |
810 | [PERF_RECORD_HEADER_EVENT_TYPE] = perf_event__event_type_swap, |
811 | [PERF_RECORD_HEADER_TRACING_DATA] = perf_event__tracing_data_swap, | |
812 | [PERF_RECORD_HEADER_BUILD_ID] = NULL, | |
3c659eed | 813 | [PERF_RECORD_ID_INDEX] = perf_event__all64_swap, |
a16ac023 AH |
814 | [PERF_RECORD_AUXTRACE_INFO] = perf_event__auxtrace_info_swap, |
815 | [PERF_RECORD_AUXTRACE] = perf_event__auxtrace_swap, | |
e9bf54d2 | 816 | [PERF_RECORD_AUXTRACE_ERROR] = perf_event__auxtrace_error_swap, |
5f3339d2 | 817 | [PERF_RECORD_THREAD_MAP] = perf_event__thread_map_swap, |
6640b6c2 | 818 | [PERF_RECORD_CPU_MAP] = perf_event__cpu_map_swap, |
374fb9e3 | 819 | [PERF_RECORD_STAT_CONFIG] = perf_event__stat_config_swap, |
d80518c9 | 820 | [PERF_RECORD_STAT] = perf_event__stat_swap, |
2d8f0f18 | 821 | [PERF_RECORD_STAT_ROUND] = perf_event__stat_round_swap, |
ffe77725 | 822 | [PERF_RECORD_EVENT_UPDATE] = perf_event__event_update_swap, |
8115d60c | 823 | [PERF_RECORD_HEADER_MAX] = NULL, |
ba21594c ACM |
824 | }; |
825 | ||
d6b17beb FW |
826 | /* |
827 | * When perf record finishes a pass on every buffers, it records this pseudo | |
828 | * event. | |
829 | * We record the max timestamp t found in the pass n. | |
830 | * Assuming these timestamps are monotonic across cpus, we know that if | |
831 | * a buffer still has events with timestamps below t, they will be all | |
832 | * available and then read in the pass n + 1. | |
833 | * Hence when we start to read the pass n + 2, we can safely flush every | |
834 | * events with timestamps below t. | |
835 | * | |
836 | * ============ PASS n ================= | |
837 | * CPU 0 | CPU 1 | |
838 | * | | |
839 | * cnt1 timestamps | cnt2 timestamps | |
840 | * 1 | 2 | |
841 | * 2 | 3 | |
842 | * - | 4 <--- max recorded | |
843 | * | |
844 | * ============ PASS n + 1 ============== | |
845 | * CPU 0 | CPU 1 | |
846 | * | | |
847 | * cnt1 timestamps | cnt2 timestamps | |
848 | * 3 | 5 | |
849 | * 4 | 6 | |
850 | * 5 | 7 <---- max recorded | |
851 | * | |
852 | * Flush every events below timestamp 4 | |
853 | * | |
854 | * ============ PASS n + 2 ============== | |
855 | * CPU 0 | CPU 1 | |
856 | * | | |
857 | * cnt1 timestamps | cnt2 timestamps | |
858 | * 6 | 8 | |
859 | * 7 | 9 | |
860 | * - | 10 | |
861 | * | |
862 | * Flush every events below timestamp 7 | |
863 | * etc... | |
864 | */ | |
b7b61cbe | 865 | static int process_finished_round(struct perf_tool *tool __maybe_unused, |
1d037ca1 | 866 | union perf_event *event __maybe_unused, |
d704ebda | 867 | struct ordered_events *oe) |
d6b17beb | 868 | { |
5531e162 AH |
869 | if (dump_trace) |
870 | fprintf(stdout, "\n"); | |
b7b61cbe | 871 | return ordered_events__flush(oe, OE_FLUSH__ROUND); |
d6b17beb FW |
872 | } |
873 | ||
b7b61cbe ACM |
874 | int perf_session__queue_event(struct perf_session *s, union perf_event *event, |
875 | struct perf_sample *sample, u64 file_offset) | |
c61e52ee | 876 | { |
4a6b362f | 877 | return ordered_events__queue(&s->ordered_events, event, sample, file_offset); |
640c03ce | 878 | } |
c61e52ee | 879 | |
384b6055 | 880 | static void callchain__lbr_callstack_printf(struct perf_sample *sample) |
640c03ce | 881 | { |
384b6055 KL |
882 | struct ip_callchain *callchain = sample->callchain; |
883 | struct branch_stack *lbr_stack = sample->branch_stack; | |
884 | u64 kernel_callchain_nr = callchain->nr; | |
640c03ce | 885 | unsigned int i; |
c61e52ee | 886 | |
384b6055 KL |
887 | for (i = 0; i < kernel_callchain_nr; i++) { |
888 | if (callchain->ips[i] == PERF_CONTEXT_USER) | |
889 | break; | |
890 | } | |
891 | ||
892 | if ((i != kernel_callchain_nr) && lbr_stack->nr) { | |
893 | u64 total_nr; | |
894 | /* | |
895 | * LBR callstack can only get user call chain, | |
896 | * i is kernel call chain number, | |
897 | * 1 is PERF_CONTEXT_USER. | |
898 | * | |
899 | * The user call chain is stored in LBR registers. | |
900 | * LBR are pair registers. The caller is stored | |
901 | * in "from" register, while the callee is stored | |
902 | * in "to" register. | |
903 | * For example, there is a call stack | |
904 | * "A"->"B"->"C"->"D". | |
905 | * The LBR registers will recorde like | |
906 | * "C"->"D", "B"->"C", "A"->"B". | |
907 | * So only the first "to" register and all "from" | |
908 | * registers are needed to construct the whole stack. | |
909 | */ | |
910 | total_nr = i + 1 + lbr_stack->nr + 1; | |
911 | kernel_callchain_nr = i + 1; | |
912 | ||
913 | printf("... LBR call chain: nr:%" PRIu64 "\n", total_nr); | |
914 | ||
915 | for (i = 0; i < kernel_callchain_nr; i++) | |
916 | printf("..... %2d: %016" PRIx64 "\n", | |
917 | i, callchain->ips[i]); | |
918 | ||
919 | printf("..... %2d: %016" PRIx64 "\n", | |
920 | (int)(kernel_callchain_nr), lbr_stack->entries[0].to); | |
921 | for (i = 0; i < lbr_stack->nr; i++) | |
922 | printf("..... %2d: %016" PRIx64 "\n", | |
923 | (int)(i + kernel_callchain_nr + 1), lbr_stack->entries[i].from); | |
924 | } | |
925 | } | |
926 | ||
927 | static void callchain__printf(struct perf_evsel *evsel, | |
928 | struct perf_sample *sample) | |
929 | { | |
930 | unsigned int i; | |
931 | struct ip_callchain *callchain = sample->callchain; | |
932 | ||
933 | if (has_branch_callstack(evsel)) | |
934 | callchain__lbr_callstack_printf(sample); | |
935 | ||
936 | printf("... FP chain: nr:%" PRIu64 "\n", callchain->nr); | |
640c03ce | 937 | |
384b6055 | 938 | for (i = 0; i < callchain->nr; i++) |
9486aa38 | 939 | printf("..... %2d: %016" PRIx64 "\n", |
384b6055 | 940 | i, callchain->ips[i]); |
c61e52ee FW |
941 | } |
942 | ||
b5387528 RAV |
943 | static void branch_stack__printf(struct perf_sample *sample) |
944 | { | |
945 | uint64_t i; | |
946 | ||
947 | printf("... branch stack: nr:%" PRIu64 "\n", sample->branch_stack->nr); | |
948 | ||
0e332f03 AK |
949 | for (i = 0; i < sample->branch_stack->nr; i++) { |
950 | struct branch_entry *e = &sample->branch_stack->entries[i]; | |
951 | ||
952 | printf("..... %2"PRIu64": %016" PRIx64 " -> %016" PRIx64 " %hu cycles %s%s%s%s %x\n", | |
953 | i, e->from, e->to, | |
954 | e->flags.cycles, | |
955 | e->flags.mispred ? "M" : " ", | |
956 | e->flags.predicted ? "P" : " ", | |
957 | e->flags.abort ? "A" : " ", | |
958 | e->flags.in_tx ? "T" : " ", | |
959 | (unsigned)e->flags.reserved); | |
960 | } | |
b5387528 RAV |
961 | } |
962 | ||
0f6a3015 JO |
963 | static void regs_dump__printf(u64 mask, u64 *regs) |
964 | { | |
965 | unsigned rid, i = 0; | |
966 | ||
967 | for_each_set_bit(rid, (unsigned long *) &mask, sizeof(mask) * 8) { | |
968 | u64 val = regs[i++]; | |
969 | ||
970 | printf(".... %-5s 0x%" PRIx64 "\n", | |
971 | perf_reg_name(rid), val); | |
972 | } | |
973 | } | |
974 | ||
6a21c0b5 SE |
975 | static const char *regs_abi[] = { |
976 | [PERF_SAMPLE_REGS_ABI_NONE] = "none", | |
977 | [PERF_SAMPLE_REGS_ABI_32] = "32-bit", | |
978 | [PERF_SAMPLE_REGS_ABI_64] = "64-bit", | |
979 | }; | |
980 | ||
981 | static inline const char *regs_dump_abi(struct regs_dump *d) | |
982 | { | |
983 | if (d->abi > PERF_SAMPLE_REGS_ABI_64) | |
984 | return "unknown"; | |
985 | ||
986 | return regs_abi[d->abi]; | |
987 | } | |
988 | ||
989 | static void regs__printf(const char *type, struct regs_dump *regs) | |
990 | { | |
991 | u64 mask = regs->mask; | |
992 | ||
993 | printf("... %s regs: mask 0x%" PRIx64 " ABI %s\n", | |
994 | type, | |
995 | mask, | |
996 | regs_dump_abi(regs)); | |
997 | ||
998 | regs_dump__printf(mask, regs->regs); | |
999 | } | |
1000 | ||
352ea45a | 1001 | static void regs_user__printf(struct perf_sample *sample) |
0f6a3015 JO |
1002 | { |
1003 | struct regs_dump *user_regs = &sample->user_regs; | |
1004 | ||
6a21c0b5 SE |
1005 | if (user_regs->regs) |
1006 | regs__printf("user", user_regs); | |
1007 | } | |
1008 | ||
1009 | static void regs_intr__printf(struct perf_sample *sample) | |
1010 | { | |
1011 | struct regs_dump *intr_regs = &sample->intr_regs; | |
1012 | ||
1013 | if (intr_regs->regs) | |
1014 | regs__printf("intr", intr_regs); | |
0f6a3015 JO |
1015 | } |
1016 | ||
1017 | static void stack_user__printf(struct stack_dump *dump) | |
1018 | { | |
1019 | printf("... ustack: size %" PRIu64 ", offset 0x%x\n", | |
1020 | dump->size, dump->offset); | |
1021 | } | |
1022 | ||
9fa8727a | 1023 | static void perf_evlist__print_tstamp(struct perf_evlist *evlist, |
8115d60c | 1024 | union perf_event *event, |
8d50e5b4 | 1025 | struct perf_sample *sample) |
9c90a61c | 1026 | { |
9fa8727a | 1027 | u64 sample_type = __perf_evlist__combined_sample_type(evlist); |
7f3be652 | 1028 | |
9c90a61c | 1029 | if (event->header.type != PERF_RECORD_SAMPLE && |
9fa8727a | 1030 | !perf_evlist__sample_id_all(evlist)) { |
9c90a61c ACM |
1031 | fputs("-1 -1 ", stdout); |
1032 | return; | |
1033 | } | |
1034 | ||
7f3be652 | 1035 | if ((sample_type & PERF_SAMPLE_CPU)) |
9c90a61c ACM |
1036 | printf("%u ", sample->cpu); |
1037 | ||
7f3be652 | 1038 | if (sample_type & PERF_SAMPLE_TIME) |
9486aa38 | 1039 | printf("%" PRIu64 " ", sample->time); |
9c90a61c ACM |
1040 | } |
1041 | ||
9ede473c JO |
1042 | static void sample_read__printf(struct perf_sample *sample, u64 read_format) |
1043 | { | |
1044 | printf("... sample_read:\n"); | |
1045 | ||
1046 | if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) | |
1047 | printf("...... time enabled %016" PRIx64 "\n", | |
1048 | sample->read.time_enabled); | |
1049 | ||
1050 | if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) | |
1051 | printf("...... time running %016" PRIx64 "\n", | |
1052 | sample->read.time_running); | |
1053 | ||
1054 | if (read_format & PERF_FORMAT_GROUP) { | |
1055 | u64 i; | |
1056 | ||
1057 | printf(".... group nr %" PRIu64 "\n", sample->read.group.nr); | |
1058 | ||
1059 | for (i = 0; i < sample->read.group.nr; i++) { | |
1060 | struct sample_read_value *value; | |
1061 | ||
1062 | value = &sample->read.group.values[i]; | |
1063 | printf("..... id %016" PRIx64 | |
1064 | ", value %016" PRIx64 "\n", | |
1065 | value->id, value->value); | |
1066 | } | |
1067 | } else | |
1068 | printf("..... id %016" PRIx64 ", value %016" PRIx64 "\n", | |
1069 | sample->read.one.id, sample->read.one.value); | |
1070 | } | |
1071 | ||
9fa8727a | 1072 | static void dump_event(struct perf_evlist *evlist, union perf_event *event, |
8d50e5b4 | 1073 | u64 file_offset, struct perf_sample *sample) |
9aefcab0 TG |
1074 | { |
1075 | if (!dump_trace) | |
1076 | return; | |
1077 | ||
9486aa38 ACM |
1078 | printf("\n%#" PRIx64 " [%#x]: event: %d\n", |
1079 | file_offset, event->header.size, event->header.type); | |
9aefcab0 TG |
1080 | |
1081 | trace_event(event); | |
1082 | ||
1083 | if (sample) | |
9fa8727a | 1084 | perf_evlist__print_tstamp(evlist, event, sample); |
9aefcab0 | 1085 | |
9486aa38 | 1086 | printf("%#" PRIx64 " [%#x]: PERF_RECORD_%s", file_offset, |
8115d60c | 1087 | event->header.size, perf_event__name(event->header.type)); |
9aefcab0 TG |
1088 | } |
1089 | ||
0f6a3015 | 1090 | static void dump_sample(struct perf_evsel *evsel, union perf_event *event, |
8d50e5b4 | 1091 | struct perf_sample *sample) |
9aefcab0 | 1092 | { |
7f3be652 ACM |
1093 | u64 sample_type; |
1094 | ||
ddbc24b7 ACM |
1095 | if (!dump_trace) |
1096 | return; | |
1097 | ||
0ea590ae | 1098 | printf("(IP, 0x%x): %d/%d: %#" PRIx64 " period: %" PRIu64 " addr: %#" PRIx64 "\n", |
9486aa38 | 1099 | event->header.misc, sample->pid, sample->tid, sample->ip, |
7cec0922 | 1100 | sample->period, sample->addr); |
9aefcab0 | 1101 | |
0f6a3015 | 1102 | sample_type = evsel->attr.sample_type; |
7f3be652 ACM |
1103 | |
1104 | if (sample_type & PERF_SAMPLE_CALLCHAIN) | |
384b6055 | 1105 | callchain__printf(evsel, sample); |
b5387528 | 1106 | |
384b6055 | 1107 | if ((sample_type & PERF_SAMPLE_BRANCH_STACK) && !has_branch_callstack(evsel)) |
b5387528 | 1108 | branch_stack__printf(sample); |
0f6a3015 JO |
1109 | |
1110 | if (sample_type & PERF_SAMPLE_REGS_USER) | |
352ea45a | 1111 | regs_user__printf(sample); |
0f6a3015 | 1112 | |
6a21c0b5 SE |
1113 | if (sample_type & PERF_SAMPLE_REGS_INTR) |
1114 | regs_intr__printf(sample); | |
1115 | ||
0f6a3015 JO |
1116 | if (sample_type & PERF_SAMPLE_STACK_USER) |
1117 | stack_user__printf(&sample->user_stack); | |
05484298 AK |
1118 | |
1119 | if (sample_type & PERF_SAMPLE_WEIGHT) | |
1120 | printf("... weight: %" PRIu64 "\n", sample->weight); | |
98a3b32c SE |
1121 | |
1122 | if (sample_type & PERF_SAMPLE_DATA_SRC) | |
1123 | printf(" . data_src: 0x%"PRIx64"\n", sample->data_src); | |
9ede473c | 1124 | |
475eeab9 AK |
1125 | if (sample_type & PERF_SAMPLE_TRANSACTION) |
1126 | printf("... transaction: %" PRIx64 "\n", sample->transaction); | |
1127 | ||
9ede473c JO |
1128 | if (sample_type & PERF_SAMPLE_READ) |
1129 | sample_read__printf(sample, evsel->attr.read_format); | |
9aefcab0 TG |
1130 | } |
1131 | ||
54245fdc | 1132 | static struct machine *machines__find_for_cpumode(struct machines *machines, |
ef89325f AH |
1133 | union perf_event *event, |
1134 | struct perf_sample *sample) | |
743eb868 ACM |
1135 | { |
1136 | const u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
ad85ace0 | 1137 | struct machine *machine; |
743eb868 | 1138 | |
7c0f4a41 DA |
1139 | if (perf_guest && |
1140 | ((cpumode == PERF_RECORD_MISC_GUEST_KERNEL) || | |
1141 | (cpumode == PERF_RECORD_MISC_GUEST_USER))) { | |
7fb0a5ee ND |
1142 | u32 pid; |
1143 | ||
5c5e854b SE |
1144 | if (event->header.type == PERF_RECORD_MMAP |
1145 | || event->header.type == PERF_RECORD_MMAP2) | |
7fb0a5ee ND |
1146 | pid = event->mmap.pid; |
1147 | else | |
ef89325f | 1148 | pid = sample->pid; |
7fb0a5ee | 1149 | |
54245fdc | 1150 | machine = machines__find(machines, pid); |
ad85ace0 | 1151 | if (!machine) |
3caeaa56 | 1152 | machine = machines__findnew(machines, DEFAULT_GUEST_KERNEL_ID); |
ad85ace0 | 1153 | return machine; |
7fb0a5ee | 1154 | } |
743eb868 | 1155 | |
54245fdc | 1156 | return &machines->host; |
743eb868 ACM |
1157 | } |
1158 | ||
313e53b0 | 1159 | static int deliver_sample_value(struct perf_evlist *evlist, |
e4caec0d JO |
1160 | struct perf_tool *tool, |
1161 | union perf_event *event, | |
1162 | struct perf_sample *sample, | |
1163 | struct sample_read_value *v, | |
1164 | struct machine *machine) | |
1165 | { | |
313e53b0 | 1166 | struct perf_sample_id *sid = perf_evlist__id2sid(evlist, v->id); |
e4caec0d | 1167 | |
e4caec0d JO |
1168 | if (sid) { |
1169 | sample->id = v->id; | |
1170 | sample->period = v->value - sid->period; | |
1171 | sid->period = v->value; | |
1172 | } | |
1173 | ||
1174 | if (!sid || sid->evsel == NULL) { | |
313e53b0 | 1175 | ++evlist->stats.nr_unknown_id; |
e4caec0d JO |
1176 | return 0; |
1177 | } | |
1178 | ||
1179 | return tool->sample(tool, event, sample, sid->evsel, machine); | |
1180 | } | |
1181 | ||
313e53b0 | 1182 | static int deliver_sample_group(struct perf_evlist *evlist, |
e4caec0d JO |
1183 | struct perf_tool *tool, |
1184 | union perf_event *event, | |
1185 | struct perf_sample *sample, | |
1186 | struct machine *machine) | |
1187 | { | |
1188 | int ret = -EINVAL; | |
1189 | u64 i; | |
1190 | ||
1191 | for (i = 0; i < sample->read.group.nr; i++) { | |
313e53b0 | 1192 | ret = deliver_sample_value(evlist, tool, event, sample, |
e4caec0d JO |
1193 | &sample->read.group.values[i], |
1194 | machine); | |
1195 | if (ret) | |
1196 | break; | |
1197 | } | |
1198 | ||
1199 | return ret; | |
1200 | } | |
1201 | ||
1202 | static int | |
313e53b0 | 1203 | perf_evlist__deliver_sample(struct perf_evlist *evlist, |
e4caec0d JO |
1204 | struct perf_tool *tool, |
1205 | union perf_event *event, | |
1206 | struct perf_sample *sample, | |
1207 | struct perf_evsel *evsel, | |
1208 | struct machine *machine) | |
1209 | { | |
1210 | /* We know evsel != NULL. */ | |
1211 | u64 sample_type = evsel->attr.sample_type; | |
1212 | u64 read_format = evsel->attr.read_format; | |
1213 | ||
1214 | /* Standard sample delievery. */ | |
1215 | if (!(sample_type & PERF_SAMPLE_READ)) | |
1216 | return tool->sample(tool, event, sample, evsel, machine); | |
1217 | ||
1218 | /* For PERF_SAMPLE_READ we have either single or group mode. */ | |
1219 | if (read_format & PERF_FORMAT_GROUP) | |
313e53b0 | 1220 | return deliver_sample_group(evlist, tool, event, sample, |
e4caec0d JO |
1221 | machine); |
1222 | else | |
313e53b0 | 1223 | return deliver_sample_value(evlist, tool, event, sample, |
e4caec0d JO |
1224 | &sample->read.one, machine); |
1225 | } | |
1226 | ||
d10eb1eb ACM |
1227 | static int machines__deliver_event(struct machines *machines, |
1228 | struct perf_evlist *evlist, | |
1229 | union perf_event *event, | |
1230 | struct perf_sample *sample, | |
1231 | struct perf_tool *tool, u64 file_offset) | |
cbf41645 | 1232 | { |
9e69c210 | 1233 | struct perf_evsel *evsel; |
743eb868 | 1234 | struct machine *machine; |
9e69c210 | 1235 | |
9fa8727a | 1236 | dump_event(evlist, event, file_offset, sample); |
532e7269 | 1237 | |
313e53b0 | 1238 | evsel = perf_evlist__id2evsel(evlist, sample->id); |
7b27509f | 1239 | |
fa713a4e | 1240 | machine = machines__find_for_cpumode(machines, event, sample); |
743eb868 | 1241 | |
cbf41645 TG |
1242 | switch (event->header.type) { |
1243 | case PERF_RECORD_SAMPLE: | |
9e69c210 | 1244 | if (evsel == NULL) { |
313e53b0 | 1245 | ++evlist->stats.nr_unknown_id; |
6782206b | 1246 | return 0; |
9e69c210 | 1247 | } |
1b29ac59 | 1248 | dump_sample(evsel, event, sample); |
0c095715 | 1249 | if (machine == NULL) { |
313e53b0 | 1250 | ++evlist->stats.nr_unprocessable_samples; |
6782206b | 1251 | return 0; |
0c095715 | 1252 | } |
313e53b0 | 1253 | return perf_evlist__deliver_sample(evlist, tool, event, sample, evsel, machine); |
cbf41645 | 1254 | case PERF_RECORD_MMAP: |
45694aa7 | 1255 | return tool->mmap(tool, event, sample, machine); |
5c5e854b | 1256 | case PERF_RECORD_MMAP2: |
930e6fcd KL |
1257 | if (event->header.misc & PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT) |
1258 | ++evlist->stats.nr_proc_map_timeout; | |
5c5e854b | 1259 | return tool->mmap2(tool, event, sample, machine); |
cbf41645 | 1260 | case PERF_RECORD_COMM: |
45694aa7 | 1261 | return tool->comm(tool, event, sample, machine); |
cbf41645 | 1262 | case PERF_RECORD_FORK: |
45694aa7 | 1263 | return tool->fork(tool, event, sample, machine); |
cbf41645 | 1264 | case PERF_RECORD_EXIT: |
45694aa7 | 1265 | return tool->exit(tool, event, sample, machine); |
cbf41645 | 1266 | case PERF_RECORD_LOST: |
45694aa7 | 1267 | if (tool->lost == perf_event__process_lost) |
313e53b0 | 1268 | evlist->stats.total_lost += event->lost.lost; |
45694aa7 | 1269 | return tool->lost(tool, event, sample, machine); |
c4937a91 KL |
1270 | case PERF_RECORD_LOST_SAMPLES: |
1271 | if (tool->lost_samples == perf_event__process_lost_samples) | |
1272 | evlist->stats.total_lost_samples += event->lost_samples.lost; | |
1273 | return tool->lost_samples(tool, event, sample, machine); | |
cbf41645 | 1274 | case PERF_RECORD_READ: |
45694aa7 | 1275 | return tool->read(tool, event, sample, evsel, machine); |
cbf41645 | 1276 | case PERF_RECORD_THROTTLE: |
45694aa7 | 1277 | return tool->throttle(tool, event, sample, machine); |
cbf41645 | 1278 | case PERF_RECORD_UNTHROTTLE: |
45694aa7 | 1279 | return tool->unthrottle(tool, event, sample, machine); |
4a96f7a0 | 1280 | case PERF_RECORD_AUX: |
a38f48e3 AH |
1281 | if (tool->aux == perf_event__process_aux && |
1282 | (event->aux.flags & PERF_AUX_FLAG_TRUNCATED)) | |
1283 | evlist->stats.total_aux_lost += 1; | |
4a96f7a0 | 1284 | return tool->aux(tool, event, sample, machine); |
0ad21f68 AH |
1285 | case PERF_RECORD_ITRACE_START: |
1286 | return tool->itrace_start(tool, event, sample, machine); | |
0286039f AH |
1287 | case PERF_RECORD_SWITCH: |
1288 | case PERF_RECORD_SWITCH_CPU_WIDE: | |
1289 | return tool->context_switch(tool, event, sample, machine); | |
cbf41645 | 1290 | default: |
313e53b0 | 1291 | ++evlist->stats.nr_unknown_events; |
cbf41645 TG |
1292 | return -1; |
1293 | } | |
1294 | } | |
1295 | ||
c446870d AH |
1296 | static int perf_session__deliver_event(struct perf_session *session, |
1297 | union perf_event *event, | |
1298 | struct perf_sample *sample, | |
1299 | struct perf_tool *tool, | |
1300 | u64 file_offset) | |
1301 | { | |
1302 | int ret; | |
1303 | ||
1304 | ret = auxtrace__process_event(session, event, sample, tool); | |
1305 | if (ret < 0) | |
1306 | return ret; | |
1307 | if (ret > 0) | |
1308 | return 0; | |
1309 | ||
1310 | return machines__deliver_event(&session->machines, session->evlist, | |
1311 | event, sample, tool, file_offset); | |
1312 | } | |
1313 | ||
d5652d86 AH |
1314 | static s64 perf_session__process_user_event(struct perf_session *session, |
1315 | union perf_event *event, | |
d5652d86 | 1316 | u64 file_offset) |
06aae590 | 1317 | { |
d704ebda | 1318 | struct ordered_events *oe = &session->ordered_events; |
9870d780 | 1319 | struct perf_tool *tool = session->tool; |
cc9784bd | 1320 | int fd = perf_data_file__fd(session->file); |
10d0f086 ACM |
1321 | int err; |
1322 | ||
9fa8727a | 1323 | dump_event(session->evlist, event, file_offset, NULL); |
06aae590 | 1324 | |
cbf41645 | 1325 | /* These events are processed right away */ |
06aae590 | 1326 | switch (event->header.type) { |
2c46dbb5 | 1327 | case PERF_RECORD_HEADER_ATTR: |
47c3d109 | 1328 | err = tool->attr(tool, event, &session->evlist); |
cfe1c414 | 1329 | if (err == 0) { |
7b56cce2 | 1330 | perf_session__set_id_hdr_size(session); |
cfe1c414 AH |
1331 | perf_session__set_comm_exec(session); |
1332 | } | |
10d0f086 | 1333 | return err; |
ffe77725 JO |
1334 | case PERF_RECORD_EVENT_UPDATE: |
1335 | return tool->event_update(tool, event, &session->evlist); | |
f67697bd JO |
1336 | case PERF_RECORD_HEADER_EVENT_TYPE: |
1337 | /* | |
1338 | * Depreceated, but we need to handle it for sake | |
1339 | * of old data files create in pipe mode. | |
1340 | */ | |
1341 | return 0; | |
9215545e TZ |
1342 | case PERF_RECORD_HEADER_TRACING_DATA: |
1343 | /* setup for reading amidst mmap */ | |
cc9784bd | 1344 | lseek(fd, file_offset, SEEK_SET); |
47c3d109 | 1345 | return tool->tracing_data(tool, event, session); |
c7929e47 | 1346 | case PERF_RECORD_HEADER_BUILD_ID: |
45694aa7 | 1347 | return tool->build_id(tool, event, session); |
d6b17beb | 1348 | case PERF_RECORD_FINISHED_ROUND: |
d704ebda | 1349 | return tool->finished_round(tool, event, oe); |
3c659eed AH |
1350 | case PERF_RECORD_ID_INDEX: |
1351 | return tool->id_index(tool, event, session); | |
a16ac023 AH |
1352 | case PERF_RECORD_AUXTRACE_INFO: |
1353 | return tool->auxtrace_info(tool, event, session); | |
1354 | case PERF_RECORD_AUXTRACE: | |
1355 | /* setup for reading amidst mmap */ | |
1356 | lseek(fd, file_offset + event->header.size, SEEK_SET); | |
1357 | return tool->auxtrace(tool, event, session); | |
e9bf54d2 | 1358 | case PERF_RECORD_AUXTRACE_ERROR: |
85ed4729 | 1359 | perf_session__auxtrace_error_inc(session, event); |
e9bf54d2 | 1360 | return tool->auxtrace_error(tool, event, session); |
5f3339d2 JO |
1361 | case PERF_RECORD_THREAD_MAP: |
1362 | return tool->thread_map(tool, event, session); | |
6640b6c2 JO |
1363 | case PERF_RECORD_CPU_MAP: |
1364 | return tool->cpu_map(tool, event, session); | |
374fb9e3 JO |
1365 | case PERF_RECORD_STAT_CONFIG: |
1366 | return tool->stat_config(tool, event, session); | |
d80518c9 JO |
1367 | case PERF_RECORD_STAT: |
1368 | return tool->stat(tool, event, session); | |
2d8f0f18 JO |
1369 | case PERF_RECORD_STAT_ROUND: |
1370 | return tool->stat_round(tool, event, session); | |
06aae590 | 1371 | default: |
ba74f064 | 1372 | return -EINVAL; |
06aae590 | 1373 | } |
ba74f064 TG |
1374 | } |
1375 | ||
a293829d AH |
1376 | int perf_session__deliver_synth_event(struct perf_session *session, |
1377 | union perf_event *event, | |
b7b61cbe | 1378 | struct perf_sample *sample) |
a293829d | 1379 | { |
fa713a4e | 1380 | struct perf_evlist *evlist = session->evlist; |
9870d780 | 1381 | struct perf_tool *tool = session->tool; |
fa713a4e ACM |
1382 | |
1383 | events_stats__inc(&evlist->stats, event->header.type); | |
a293829d AH |
1384 | |
1385 | if (event->header.type >= PERF_RECORD_USER_TYPE_START) | |
b7b61cbe | 1386 | return perf_session__process_user_event(session, event, 0); |
a293829d | 1387 | |
fa713a4e | 1388 | return machines__deliver_event(&session->machines, evlist, event, sample, tool, 0); |
a293829d AH |
1389 | } |
1390 | ||
268fb20f JO |
1391 | static void event_swap(union perf_event *event, bool sample_id_all) |
1392 | { | |
1393 | perf_event__swap_op swap; | |
1394 | ||
1395 | swap = perf_event__swap_ops[event->header.type]; | |
1396 | if (swap) | |
1397 | swap(event, sample_id_all); | |
1398 | } | |
1399 | ||
5a52f33a AH |
1400 | int perf_session__peek_event(struct perf_session *session, off_t file_offset, |
1401 | void *buf, size_t buf_sz, | |
1402 | union perf_event **event_ptr, | |
1403 | struct perf_sample *sample) | |
1404 | { | |
1405 | union perf_event *event; | |
1406 | size_t hdr_sz, rest; | |
1407 | int fd; | |
1408 | ||
1409 | if (session->one_mmap && !session->header.needs_swap) { | |
1410 | event = file_offset - session->one_mmap_offset + | |
1411 | session->one_mmap_addr; | |
1412 | goto out_parse_sample; | |
1413 | } | |
1414 | ||
1415 | if (perf_data_file__is_pipe(session->file)) | |
1416 | return -1; | |
1417 | ||
1418 | fd = perf_data_file__fd(session->file); | |
1419 | hdr_sz = sizeof(struct perf_event_header); | |
1420 | ||
1421 | if (buf_sz < hdr_sz) | |
1422 | return -1; | |
1423 | ||
1424 | if (lseek(fd, file_offset, SEEK_SET) == (off_t)-1 || | |
554e92ed | 1425 | readn(fd, buf, hdr_sz) != (ssize_t)hdr_sz) |
5a52f33a AH |
1426 | return -1; |
1427 | ||
1428 | event = (union perf_event *)buf; | |
1429 | ||
1430 | if (session->header.needs_swap) | |
1431 | perf_event_header__bswap(&event->header); | |
1432 | ||
554e92ed | 1433 | if (event->header.size < hdr_sz || event->header.size > buf_sz) |
5a52f33a AH |
1434 | return -1; |
1435 | ||
1436 | rest = event->header.size - hdr_sz; | |
1437 | ||
554e92ed | 1438 | if (readn(fd, buf, rest) != (ssize_t)rest) |
5a52f33a AH |
1439 | return -1; |
1440 | ||
1441 | if (session->header.needs_swap) | |
1442 | event_swap(event, perf_evlist__sample_id_all(session->evlist)); | |
1443 | ||
1444 | out_parse_sample: | |
1445 | ||
1446 | if (sample && event->header.type < PERF_RECORD_USER_TYPE_START && | |
1447 | perf_evlist__parse_sample(session->evlist, event, sample)) | |
1448 | return -1; | |
1449 | ||
1450 | *event_ptr = event; | |
1451 | ||
1452 | return 0; | |
1453 | } | |
1454 | ||
d5652d86 | 1455 | static s64 perf_session__process_event(struct perf_session *session, |
b7b61cbe | 1456 | union perf_event *event, u64 file_offset) |
ba74f064 | 1457 | { |
313e53b0 | 1458 | struct perf_evlist *evlist = session->evlist; |
9870d780 | 1459 | struct perf_tool *tool = session->tool; |
8d50e5b4 | 1460 | struct perf_sample sample; |
ba74f064 TG |
1461 | int ret; |
1462 | ||
268fb20f | 1463 | if (session->header.needs_swap) |
313e53b0 | 1464 | event_swap(event, perf_evlist__sample_id_all(evlist)); |
ba74f064 TG |
1465 | |
1466 | if (event->header.type >= PERF_RECORD_HEADER_MAX) | |
1467 | return -EINVAL; | |
1468 | ||
313e53b0 | 1469 | events_stats__inc(&evlist->stats, event->header.type); |
ba74f064 TG |
1470 | |
1471 | if (event->header.type >= PERF_RECORD_USER_TYPE_START) | |
b7b61cbe | 1472 | return perf_session__process_user_event(session, event, file_offset); |
cbf41645 | 1473 | |
3dfc2c0a TG |
1474 | /* |
1475 | * For all kernel events we get the sample data | |
1476 | */ | |
313e53b0 | 1477 | ret = perf_evlist__parse_sample(evlist, event, &sample); |
5538beca FW |
1478 | if (ret) |
1479 | return ret; | |
3dfc2c0a | 1480 | |
0a8cb85c | 1481 | if (tool->ordered_events) { |
b7b61cbe | 1482 | ret = perf_session__queue_event(session, event, &sample, file_offset); |
cbf41645 TG |
1483 | if (ret != -ETIME) |
1484 | return ret; | |
1485 | } | |
1486 | ||
c446870d AH |
1487 | return perf_session__deliver_event(session, event, &sample, tool, |
1488 | file_offset); | |
06aae590 ACM |
1489 | } |
1490 | ||
316c7136 | 1491 | void perf_event_header__bswap(struct perf_event_header *hdr) |
ba21594c | 1492 | { |
316c7136 ACM |
1493 | hdr->type = bswap_32(hdr->type); |
1494 | hdr->misc = bswap_16(hdr->misc); | |
1495 | hdr->size = bswap_16(hdr->size); | |
ba21594c ACM |
1496 | } |
1497 | ||
b424eba2 ACM |
1498 | struct thread *perf_session__findnew(struct perf_session *session, pid_t pid) |
1499 | { | |
1fcb8768 | 1500 | return machine__findnew_thread(&session->machines.host, -1, pid); |
b424eba2 ACM |
1501 | } |
1502 | ||
9d8b172f | 1503 | int perf_session__register_idle_thread(struct perf_session *session) |
06aae590 | 1504 | { |
1fcb8768 | 1505 | struct thread *thread; |
9d8b172f | 1506 | int err = 0; |
06aae590 | 1507 | |
1fcb8768 | 1508 | thread = machine__findnew_thread(&session->machines.host, 0, 0); |
162f0bef | 1509 | if (thread == NULL || thread__set_comm(thread, "swapper", 0)) { |
06aae590 | 1510 | pr_err("problem inserting idle task.\n"); |
9d8b172f | 1511 | err = -1; |
06aae590 ACM |
1512 | } |
1513 | ||
9d8b172f MH |
1514 | /* machine__findnew_thread() got the thread, so put it */ |
1515 | thread__put(thread); | |
1516 | return err; | |
06aae590 ACM |
1517 | } |
1518 | ||
9870d780 | 1519 | static void perf_session__warn_about_errors(const struct perf_session *session) |
11095994 | 1520 | { |
9870d780 ACM |
1521 | const struct events_stats *stats = &session->evlist->stats; |
1522 | const struct ordered_events *oe = &session->ordered_events; | |
1523 | ||
1524 | if (session->tool->lost == perf_event__process_lost && | |
ccda068f | 1525 | stats->nr_events[PERF_RECORD_LOST] != 0) { |
7b27509f ACM |
1526 | ui__warning("Processed %d events and lost %d chunks!\n\n" |
1527 | "Check IO/CPU overload!\n\n", | |
ccda068f ACM |
1528 | stats->nr_events[0], |
1529 | stats->nr_events[PERF_RECORD_LOST]); | |
11095994 ACM |
1530 | } |
1531 | ||
c4937a91 KL |
1532 | if (session->tool->lost_samples == perf_event__process_lost_samples) { |
1533 | double drop_rate; | |
1534 | ||
1535 | drop_rate = (double)stats->total_lost_samples / | |
1536 | (double) (stats->nr_events[PERF_RECORD_SAMPLE] + stats->total_lost_samples); | |
1537 | if (drop_rate > 0.05) { | |
6ba29c2f | 1538 | ui__warning("Processed %" PRIu64 " samples and lost %3.2f%% samples!\n\n", |
c4937a91 KL |
1539 | stats->nr_events[PERF_RECORD_SAMPLE] + stats->total_lost_samples, |
1540 | drop_rate * 100.0); | |
1541 | } | |
1542 | } | |
1543 | ||
a38f48e3 AH |
1544 | if (session->tool->aux == perf_event__process_aux && |
1545 | stats->total_aux_lost != 0) { | |
1546 | ui__warning("AUX data lost %" PRIu64 " times out of %u!\n\n", | |
1547 | stats->total_aux_lost, | |
1548 | stats->nr_events[PERF_RECORD_AUX]); | |
1549 | } | |
1550 | ||
ccda068f | 1551 | if (stats->nr_unknown_events != 0) { |
11095994 ACM |
1552 | ui__warning("Found %u unknown events!\n\n" |
1553 | "Is this an older tool processing a perf.data " | |
1554 | "file generated by a more recent tool?\n\n" | |
1555 | "If that is not the case, consider " | |
1556 | "reporting to linux-kernel@vger.kernel.org.\n\n", | |
ccda068f | 1557 | stats->nr_unknown_events); |
11095994 ACM |
1558 | } |
1559 | ||
ccda068f | 1560 | if (stats->nr_unknown_id != 0) { |
9e69c210 | 1561 | ui__warning("%u samples with id not present in the header\n", |
ccda068f | 1562 | stats->nr_unknown_id); |
9e69c210 ACM |
1563 | } |
1564 | ||
ccda068f | 1565 | if (stats->nr_invalid_chains != 0) { |
75be989a ACM |
1566 | ui__warning("Found invalid callchains!\n\n" |
1567 | "%u out of %u events were discarded for this reason.\n\n" | |
1568 | "Consider reporting to linux-kernel@vger.kernel.org.\n\n", | |
ccda068f ACM |
1569 | stats->nr_invalid_chains, |
1570 | stats->nr_events[PERF_RECORD_SAMPLE]); | |
75be989a | 1571 | } |
0c095715 | 1572 | |
ccda068f | 1573 | if (stats->nr_unprocessable_samples != 0) { |
0c095715 JR |
1574 | ui__warning("%u unprocessable samples recorded.\n" |
1575 | "Do you have a KVM guest running and not using 'perf kvm'?\n", | |
ccda068f | 1576 | stats->nr_unprocessable_samples); |
0c095715 | 1577 | } |
f61ff6c0 | 1578 | |
9870d780 ACM |
1579 | if (oe->nr_unordered_events != 0) |
1580 | ui__warning("%u out of order events recorded.\n", oe->nr_unordered_events); | |
85ed4729 AH |
1581 | |
1582 | events_stats__auxtrace_error_warn(stats); | |
930e6fcd KL |
1583 | |
1584 | if (stats->nr_proc_map_timeout != 0) { | |
1585 | ui__warning("%d map information files for pre-existing threads were\n" | |
1586 | "not processed, if there are samples for addresses they\n" | |
1587 | "will not be resolved, you may find out which are these\n" | |
1588 | "threads by running with -v and redirecting the output\n" | |
9d9cad76 KL |
1589 | "to a file.\n" |
1590 | "The time limit to process proc map is too short?\n" | |
1591 | "Increase it by --proc-map-timeout\n", | |
930e6fcd KL |
1592 | stats->nr_proc_map_timeout); |
1593 | } | |
11095994 ACM |
1594 | } |
1595 | ||
a5499b37 AH |
1596 | static int perf_session__flush_thread_stack(struct thread *thread, |
1597 | void *p __maybe_unused) | |
1598 | { | |
1599 | return thread_stack__flush(thread); | |
1600 | } | |
1601 | ||
1602 | static int perf_session__flush_thread_stacks(struct perf_session *session) | |
1603 | { | |
1604 | return machines__for_each_thread(&session->machines, | |
1605 | perf_session__flush_thread_stack, | |
1606 | NULL); | |
1607 | } | |
1608 | ||
8dc58101 TZ |
1609 | volatile int session_done; |
1610 | ||
b7b61cbe | 1611 | static int __perf_session__process_pipe_events(struct perf_session *session) |
8dc58101 | 1612 | { |
fa713a4e | 1613 | struct ordered_events *oe = &session->ordered_events; |
9870d780 | 1614 | struct perf_tool *tool = session->tool; |
316c7136 | 1615 | int fd = perf_data_file__fd(session->file); |
444d2866 SE |
1616 | union perf_event *event; |
1617 | uint32_t size, cur_size = 0; | |
1618 | void *buf = NULL; | |
d5652d86 | 1619 | s64 skip = 0; |
8dc58101 | 1620 | u64 head; |
727ebd54 | 1621 | ssize_t err; |
8dc58101 TZ |
1622 | void *p; |
1623 | ||
45694aa7 | 1624 | perf_tool__fill_defaults(tool); |
8dc58101 TZ |
1625 | |
1626 | head = 0; | |
444d2866 SE |
1627 | cur_size = sizeof(union perf_event); |
1628 | ||
1629 | buf = malloc(cur_size); | |
1630 | if (!buf) | |
1631 | return -errno; | |
8dc58101 | 1632 | more: |
444d2866 | 1633 | event = buf; |
cc9784bd | 1634 | err = readn(fd, event, sizeof(struct perf_event_header)); |
8dc58101 TZ |
1635 | if (err <= 0) { |
1636 | if (err == 0) | |
1637 | goto done; | |
1638 | ||
1639 | pr_err("failed to read event header\n"); | |
1640 | goto out_err; | |
1641 | } | |
1642 | ||
316c7136 | 1643 | if (session->header.needs_swap) |
444d2866 | 1644 | perf_event_header__bswap(&event->header); |
8dc58101 | 1645 | |
444d2866 | 1646 | size = event->header.size; |
27389d78 AH |
1647 | if (size < sizeof(struct perf_event_header)) { |
1648 | pr_err("bad event header size\n"); | |
1649 | goto out_err; | |
1650 | } | |
8dc58101 | 1651 | |
444d2866 SE |
1652 | if (size > cur_size) { |
1653 | void *new = realloc(buf, size); | |
1654 | if (!new) { | |
1655 | pr_err("failed to allocate memory to read event\n"); | |
1656 | goto out_err; | |
1657 | } | |
1658 | buf = new; | |
1659 | cur_size = size; | |
1660 | event = buf; | |
1661 | } | |
1662 | p = event; | |
8dc58101 TZ |
1663 | p += sizeof(struct perf_event_header); |
1664 | ||
794e43b5 | 1665 | if (size - sizeof(struct perf_event_header)) { |
cc9784bd | 1666 | err = readn(fd, p, size - sizeof(struct perf_event_header)); |
794e43b5 TZ |
1667 | if (err <= 0) { |
1668 | if (err == 0) { | |
1669 | pr_err("unexpected end of event stream\n"); | |
1670 | goto done; | |
1671 | } | |
8dc58101 | 1672 | |
794e43b5 TZ |
1673 | pr_err("failed to read event data\n"); |
1674 | goto out_err; | |
1675 | } | |
8dc58101 TZ |
1676 | } |
1677 | ||
b7b61cbe | 1678 | if ((skip = perf_session__process_event(session, event, head)) < 0) { |
9389a460 | 1679 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", |
444d2866 | 1680 | head, event->header.size, event->header.type); |
9389a460 JO |
1681 | err = -EINVAL; |
1682 | goto out_err; | |
8dc58101 TZ |
1683 | } |
1684 | ||
1685 | head += size; | |
1686 | ||
8dc58101 TZ |
1687 | if (skip > 0) |
1688 | head += skip; | |
1689 | ||
1690 | if (!session_done()) | |
1691 | goto more; | |
1692 | done: | |
8c16b649 | 1693 | /* do the final flush for ordered samples */ |
b7b61cbe | 1694 | err = ordered_events__flush(oe, OE_FLUSH__FINAL); |
c446870d AH |
1695 | if (err) |
1696 | goto out_err; | |
1697 | err = auxtrace__flush_events(session, tool); | |
a5499b37 AH |
1698 | if (err) |
1699 | goto out_err; | |
1700 | err = perf_session__flush_thread_stacks(session); | |
8dc58101 | 1701 | out_err: |
444d2866 | 1702 | free(buf); |
9870d780 | 1703 | perf_session__warn_about_errors(session); |
adc56ed1 | 1704 | ordered_events__free(&session->ordered_events); |
c446870d | 1705 | auxtrace__free_events(session); |
8dc58101 TZ |
1706 | return err; |
1707 | } | |
1708 | ||
998bedc8 FW |
1709 | static union perf_event * |
1710 | fetch_mmaped_event(struct perf_session *session, | |
1711 | u64 head, size_t mmap_size, char *buf) | |
1712 | { | |
1713 | union perf_event *event; | |
1714 | ||
1715 | /* | |
1716 | * Ensure we have enough space remaining to read | |
1717 | * the size of the event in the headers. | |
1718 | */ | |
1719 | if (head + sizeof(event->header) > mmap_size) | |
1720 | return NULL; | |
1721 | ||
1722 | event = (union perf_event *)(buf + head); | |
1723 | ||
1724 | if (session->header.needs_swap) | |
1725 | perf_event_header__bswap(&event->header); | |
1726 | ||
27389d78 AH |
1727 | if (head + event->header.size > mmap_size) { |
1728 | /* We're not fetching the event so swap back again */ | |
1729 | if (session->header.needs_swap) | |
1730 | perf_event_header__bswap(&event->header); | |
998bedc8 | 1731 | return NULL; |
27389d78 | 1732 | } |
998bedc8 FW |
1733 | |
1734 | return event; | |
1735 | } | |
1736 | ||
35d48ddf DM |
1737 | /* |
1738 | * On 64bit we can mmap the data file in one go. No need for tiny mmap | |
1739 | * slices. On 32bit we use 32MB. | |
1740 | */ | |
1741 | #if BITS_PER_LONG == 64 | |
1742 | #define MMAP_SIZE ULLONG_MAX | |
1743 | #define NUM_MMAPS 1 | |
1744 | #else | |
1745 | #define MMAP_SIZE (32 * 1024 * 1024ULL) | |
1746 | #define NUM_MMAPS 128 | |
1747 | #endif | |
1748 | ||
4ac30cf7 NK |
1749 | static int __perf_session__process_events(struct perf_session *session, |
1750 | u64 data_offset, u64 data_size, | |
b7b61cbe | 1751 | u64 file_size) |
06aae590 | 1752 | { |
fa713a4e | 1753 | struct ordered_events *oe = &session->ordered_events; |
9870d780 | 1754 | struct perf_tool *tool = session->tool; |
cc9784bd | 1755 | int fd = perf_data_file__fd(session->file); |
d5652d86 | 1756 | u64 head, page_offset, file_offset, file_pos, size; |
fe174207 | 1757 | int err, mmap_prot, mmap_flags, map_idx = 0; |
0c1fe6b2 | 1758 | size_t mmap_size; |
35d48ddf | 1759 | char *buf, *mmaps[NUM_MMAPS]; |
8115d60c | 1760 | union perf_event *event; |
4d3001fd | 1761 | struct ui_progress prog; |
d5652d86 | 1762 | s64 skip; |
0331ee0c | 1763 | |
45694aa7 | 1764 | perf_tool__fill_defaults(tool); |
06aae590 | 1765 | |
0331ee0c TG |
1766 | page_offset = page_size * (data_offset / page_size); |
1767 | file_offset = page_offset; | |
1768 | head = data_offset - page_offset; | |
06aae590 | 1769 | |
381c02f6 MR |
1770 | if (data_size == 0) |
1771 | goto out; | |
1772 | ||
1773 | if (data_offset + data_size < file_size) | |
d6513281 TG |
1774 | file_size = data_offset + data_size; |
1775 | ||
4d3001fd | 1776 | ui_progress__init(&prog, file_size, "Processing events..."); |
55b44629 | 1777 | |
35d48ddf | 1778 | mmap_size = MMAP_SIZE; |
919d86d3 | 1779 | if (mmap_size > file_size) { |
55b44629 | 1780 | mmap_size = file_size; |
919d86d3 AH |
1781 | session->one_mmap = true; |
1782 | } | |
55b44629 | 1783 | |
fe174207 TG |
1784 | memset(mmaps, 0, sizeof(mmaps)); |
1785 | ||
ba21594c ACM |
1786 | mmap_prot = PROT_READ; |
1787 | mmap_flags = MAP_SHARED; | |
1788 | ||
0331ee0c | 1789 | if (session->header.needs_swap) { |
ba21594c ACM |
1790 | mmap_prot |= PROT_WRITE; |
1791 | mmap_flags = MAP_PRIVATE; | |
1792 | } | |
06aae590 | 1793 | remap: |
cc9784bd | 1794 | buf = mmap(NULL, mmap_size, mmap_prot, mmap_flags, fd, |
55b44629 | 1795 | file_offset); |
06aae590 ACM |
1796 | if (buf == MAP_FAILED) { |
1797 | pr_err("failed to mmap file\n"); | |
1798 | err = -errno; | |
1799 | goto out_err; | |
1800 | } | |
fe174207 TG |
1801 | mmaps[map_idx] = buf; |
1802 | map_idx = (map_idx + 1) & (ARRAY_SIZE(mmaps) - 1); | |
d6513281 | 1803 | file_pos = file_offset + head; |
919d86d3 AH |
1804 | if (session->one_mmap) { |
1805 | session->one_mmap_addr = buf; | |
1806 | session->one_mmap_offset = file_offset; | |
1807 | } | |
06aae590 ACM |
1808 | |
1809 | more: | |
998bedc8 FW |
1810 | event = fetch_mmaped_event(session, head, mmap_size, buf); |
1811 | if (!event) { | |
fe174207 TG |
1812 | if (mmaps[map_idx]) { |
1813 | munmap(mmaps[map_idx], mmap_size); | |
1814 | mmaps[map_idx] = NULL; | |
1815 | } | |
06aae590 | 1816 | |
0331ee0c TG |
1817 | page_offset = page_size * (head / page_size); |
1818 | file_offset += page_offset; | |
1819 | head -= page_offset; | |
06aae590 ACM |
1820 | goto remap; |
1821 | } | |
1822 | ||
1823 | size = event->header.size; | |
1824 | ||
27389d78 | 1825 | if (size < sizeof(struct perf_event_header) || |
b7b61cbe | 1826 | (skip = perf_session__process_event(session, event, file_pos)) < 0) { |
9389a460 JO |
1827 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", |
1828 | file_offset + head, event->header.size, | |
1829 | event->header.type); | |
1830 | err = -EINVAL; | |
1831 | goto out_err; | |
06aae590 ACM |
1832 | } |
1833 | ||
6f917c70 AH |
1834 | if (skip) |
1835 | size += skip; | |
1836 | ||
06aae590 | 1837 | head += size; |
d6513281 | 1838 | file_pos += size; |
06aae590 | 1839 | |
4d3001fd | 1840 | ui_progress__update(&prog, size); |
55b44629 | 1841 | |
33e940a2 | 1842 | if (session_done()) |
8c16b649 | 1843 | goto out; |
33e940a2 | 1844 | |
d6513281 | 1845 | if (file_pos < file_size) |
06aae590 | 1846 | goto more; |
d6513281 | 1847 | |
8c16b649 | 1848 | out: |
c61e52ee | 1849 | /* do the final flush for ordered samples */ |
b7b61cbe | 1850 | err = ordered_events__flush(oe, OE_FLUSH__FINAL); |
c446870d AH |
1851 | if (err) |
1852 | goto out_err; | |
1853 | err = auxtrace__flush_events(session, tool); | |
a5499b37 AH |
1854 | if (err) |
1855 | goto out_err; | |
1856 | err = perf_session__flush_thread_stacks(session); | |
06aae590 | 1857 | out_err: |
a5580f3e | 1858 | ui_progress__finish(); |
9870d780 | 1859 | perf_session__warn_about_errors(session); |
adc56ed1 | 1860 | ordered_events__free(&session->ordered_events); |
c446870d | 1861 | auxtrace__free_events(session); |
919d86d3 | 1862 | session->one_mmap = false; |
06aae590 ACM |
1863 | return err; |
1864 | } | |
27295592 | 1865 | |
b7b61cbe | 1866 | int perf_session__process_events(struct perf_session *session) |
6122e4e4 | 1867 | { |
316c7136 | 1868 | u64 size = perf_data_file__size(session->file); |
6122e4e4 ACM |
1869 | int err; |
1870 | ||
9d8b172f | 1871 | if (perf_session__register_idle_thread(session) < 0) |
6122e4e4 ACM |
1872 | return -ENOMEM; |
1873 | ||
316c7136 ACM |
1874 | if (!perf_data_file__is_pipe(session->file)) |
1875 | err = __perf_session__process_events(session, | |
1876 | session->header.data_offset, | |
b7b61cbe | 1877 | session->header.data_size, size); |
8dc58101 | 1878 | else |
b7b61cbe | 1879 | err = __perf_session__process_pipe_events(session); |
88ca895d | 1880 | |
6122e4e4 ACM |
1881 | return err; |
1882 | } | |
1883 | ||
7f3be652 | 1884 | bool perf_session__has_traces(struct perf_session *session, const char *msg) |
27295592 | 1885 | { |
93ea01c2 DA |
1886 | struct perf_evsel *evsel; |
1887 | ||
0050f7aa | 1888 | evlist__for_each(session->evlist, evsel) { |
93ea01c2 DA |
1889 | if (evsel->attr.type == PERF_TYPE_TRACEPOINT) |
1890 | return true; | |
27295592 ACM |
1891 | } |
1892 | ||
93ea01c2 DA |
1893 | pr_err("No trace sample to read. Did you call 'perf %s'?\n", msg); |
1894 | return false; | |
27295592 | 1895 | } |
56b03f3c | 1896 | |
743eb868 ACM |
1897 | int maps__set_kallsyms_ref_reloc_sym(struct map **maps, |
1898 | const char *symbol_name, u64 addr) | |
56b03f3c ACM |
1899 | { |
1900 | char *bracket; | |
9de89fe7 | 1901 | enum map_type i; |
a1645ce1 ZY |
1902 | struct ref_reloc_sym *ref; |
1903 | ||
1904 | ref = zalloc(sizeof(struct ref_reloc_sym)); | |
1905 | if (ref == NULL) | |
1906 | return -ENOMEM; | |
56b03f3c | 1907 | |
a1645ce1 ZY |
1908 | ref->name = strdup(symbol_name); |
1909 | if (ref->name == NULL) { | |
1910 | free(ref); | |
56b03f3c | 1911 | return -ENOMEM; |
a1645ce1 | 1912 | } |
56b03f3c | 1913 | |
a1645ce1 | 1914 | bracket = strchr(ref->name, ']'); |
56b03f3c ACM |
1915 | if (bracket) |
1916 | *bracket = '\0'; | |
1917 | ||
a1645ce1 | 1918 | ref->addr = addr; |
9de89fe7 ACM |
1919 | |
1920 | for (i = 0; i < MAP__NR_TYPES; ++i) { | |
a1645ce1 | 1921 | struct kmap *kmap = map__kmap(maps[i]); |
ba92732e WN |
1922 | |
1923 | if (!kmap) | |
1924 | continue; | |
a1645ce1 | 1925 | kmap->ref_reloc_sym = ref; |
9de89fe7 ACM |
1926 | } |
1927 | ||
56b03f3c ACM |
1928 | return 0; |
1929 | } | |
1f626bc3 | 1930 | |
316c7136 | 1931 | size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp) |
1f626bc3 | 1932 | { |
316c7136 | 1933 | return machines__fprintf_dsos(&session->machines, fp); |
1f626bc3 | 1934 | } |
f869097e | 1935 | |
316c7136 | 1936 | size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, |
417c2ff6 | 1937 | bool (skip)(struct dso *dso, int parm), int parm) |
f869097e | 1938 | { |
316c7136 | 1939 | return machines__fprintf_dsos_buildid(&session->machines, fp, skip, parm); |
f869097e | 1940 | } |
e248de33 ACM |
1941 | |
1942 | size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp) | |
1943 | { | |
c446870d AH |
1944 | size_t ret; |
1945 | const char *msg = ""; | |
1946 | ||
1947 | if (perf_header__has_feat(&session->header, HEADER_AUXTRACE)) | |
1948 | msg = " (excludes AUX area (e.g. instruction trace) decoded / synthesized events)"; | |
1949 | ||
fe692ac8 | 1950 | ret = fprintf(fp, "\nAggregated stats:%s\n", msg); |
e248de33 | 1951 | |
75be989a | 1952 | ret += events_stats__fprintf(&session->evlist->stats, fp); |
e248de33 ACM |
1953 | return ret; |
1954 | } | |
c0230b2b | 1955 | |
b424eba2 ACM |
1956 | size_t perf_session__fprintf(struct perf_session *session, FILE *fp) |
1957 | { | |
1958 | /* | |
1959 | * FIXME: Here we have to actually print all the machines in this | |
1960 | * session, not just the host... | |
1961 | */ | |
876650e6 | 1962 | return machine__fprintf(&session->machines.host, fp); |
b424eba2 ACM |
1963 | } |
1964 | ||
9cbdb702 DA |
1965 | struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, |
1966 | unsigned int type) | |
1967 | { | |
1968 | struct perf_evsel *pos; | |
1969 | ||
0050f7aa | 1970 | evlist__for_each(session->evlist, pos) { |
9cbdb702 DA |
1971 | if (pos->attr.type == type) |
1972 | return pos; | |
1973 | } | |
1974 | return NULL; | |
1975 | } | |
1976 | ||
a2cb3cf2 | 1977 | void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample, |
cc22e575 | 1978 | struct addr_location *al, |
307cbb92 | 1979 | unsigned int print_opts, unsigned int stack_depth) |
c0230b2b | 1980 | { |
c0230b2b | 1981 | struct callchain_cursor_node *node; |
a6ffaf91 DA |
1982 | int print_ip = print_opts & PRINT_IP_OPT_IP; |
1983 | int print_sym = print_opts & PRINT_IP_OPT_SYM; | |
1984 | int print_dso = print_opts & PRINT_IP_OPT_DSO; | |
1985 | int print_symoffset = print_opts & PRINT_IP_OPT_SYMOFFSET; | |
b0b35f01 | 1986 | int print_oneline = print_opts & PRINT_IP_OPT_ONELINE; |
cc8fae1d | 1987 | int print_srcline = print_opts & PRINT_IP_OPT_SRCLINE; |
b0b35f01 | 1988 | char s = print_oneline ? ' ' : '\t'; |
c0230b2b | 1989 | |
c0230b2b | 1990 | if (symbol_conf.use_callchain && sample->callchain) { |
a2cb3cf2 | 1991 | struct addr_location node_al; |
c0230b2b | 1992 | |
cc8b7c2b ACM |
1993 | if (thread__resolve_callchain(al->thread, evsel, |
1994 | sample, NULL, NULL, | |
03cd1fed | 1995 | stack_depth) != 0) { |
c0230b2b DA |
1996 | if (verbose) |
1997 | error("Failed to resolve callchain. Skipping\n"); | |
1998 | return; | |
1999 | } | |
47260645 | 2000 | callchain_cursor_commit(&callchain_cursor); |
c0230b2b | 2001 | |
a2cb3cf2 AH |
2002 | if (print_symoffset) |
2003 | node_al = *al; | |
2004 | ||
307cbb92 | 2005 | while (stack_depth) { |
a4eb24a4 AH |
2006 | u64 addr = 0; |
2007 | ||
47260645 | 2008 | node = callchain_cursor_current(&callchain_cursor); |
c0230b2b DA |
2009 | if (!node) |
2010 | break; | |
2011 | ||
d2ff1b14 DA |
2012 | if (node->sym && node->sym->ignore) |
2013 | goto next; | |
2014 | ||
a6ffaf91 | 2015 | if (print_ip) |
b0b35f01 | 2016 | printf("%c%16" PRIx64, s, node->ip); |
a6ffaf91 | 2017 | |
a4eb24a4 AH |
2018 | if (node->map) |
2019 | addr = node->map->map_ip(node->map, node->ip); | |
2020 | ||
787bef17 | 2021 | if (print_sym) { |
547a92e0 | 2022 | printf(" "); |
251f426f | 2023 | if (print_symoffset) { |
a4eb24a4 | 2024 | node_al.addr = addr; |
a2cb3cf2 AH |
2025 | node_al.map = node->map; |
2026 | symbol__fprintf_symname_offs(node->sym, &node_al, stdout); | |
251f426f DA |
2027 | } else |
2028 | symbol__fprintf_symname(node->sym, stdout); | |
610723f2 | 2029 | } |
251f426f | 2030 | |
610723f2 | 2031 | if (print_dso) { |
547a92e0 | 2032 | printf(" ("); |
52deff71 | 2033 | map__fprintf_dsoname(node->map, stdout); |
547a92e0 | 2034 | printf(")"); |
787bef17 | 2035 | } |
b0b35f01 | 2036 | |
cc8fae1d AH |
2037 | if (print_srcline) |
2038 | map__fprintf_srcline(node->map, addr, "\n ", | |
2039 | stdout); | |
2040 | ||
b0b35f01 DA |
2041 | if (!print_oneline) |
2042 | printf("\n"); | |
c0230b2b | 2043 | |
307cbb92 | 2044 | stack_depth--; |
d2ff1b14 DA |
2045 | next: |
2046 | callchain_cursor_advance(&callchain_cursor); | |
c0230b2b DA |
2047 | } |
2048 | ||
2049 | } else { | |
a2cb3cf2 | 2050 | if (al->sym && al->sym->ignore) |
d2ff1b14 DA |
2051 | return; |
2052 | ||
a6ffaf91 DA |
2053 | if (print_ip) |
2054 | printf("%16" PRIx64, sample->ip); | |
2055 | ||
787bef17 | 2056 | if (print_sym) { |
547a92e0 | 2057 | printf(" "); |
a978f2ab | 2058 | if (print_symoffset) |
a2cb3cf2 | 2059 | symbol__fprintf_symname_offs(al->sym, al, |
a978f2ab AN |
2060 | stdout); |
2061 | else | |
a2cb3cf2 | 2062 | symbol__fprintf_symname(al->sym, stdout); |
610723f2 DA |
2063 | } |
2064 | ||
2065 | if (print_dso) { | |
547a92e0 | 2066 | printf(" ("); |
a2cb3cf2 | 2067 | map__fprintf_dsoname(al->map, stdout); |
547a92e0 | 2068 | printf(")"); |
787bef17 | 2069 | } |
cc8fae1d AH |
2070 | |
2071 | if (print_srcline) | |
2072 | map__fprintf_srcline(al->map, al->addr, "\n ", stdout); | |
c0230b2b DA |
2073 | } |
2074 | } | |
5d67be97 AB |
2075 | |
2076 | int perf_session__cpu_bitmap(struct perf_session *session, | |
2077 | const char *cpu_list, unsigned long *cpu_bitmap) | |
2078 | { | |
8bac41cb | 2079 | int i, err = -1; |
5d67be97 AB |
2080 | struct cpu_map *map; |
2081 | ||
2082 | for (i = 0; i < PERF_TYPE_MAX; ++i) { | |
2083 | struct perf_evsel *evsel; | |
2084 | ||
2085 | evsel = perf_session__find_first_evtype(session, i); | |
2086 | if (!evsel) | |
2087 | continue; | |
2088 | ||
2089 | if (!(evsel->attr.sample_type & PERF_SAMPLE_CPU)) { | |
2090 | pr_err("File does not contain CPU events. " | |
2091 | "Remove -c option to proceed.\n"); | |
2092 | return -1; | |
2093 | } | |
2094 | } | |
2095 | ||
2096 | map = cpu_map__new(cpu_list); | |
47fbe53b DA |
2097 | if (map == NULL) { |
2098 | pr_err("Invalid cpu_list\n"); | |
2099 | return -1; | |
2100 | } | |
5d67be97 AB |
2101 | |
2102 | for (i = 0; i < map->nr; i++) { | |
2103 | int cpu = map->map[i]; | |
2104 | ||
2105 | if (cpu >= MAX_NR_CPUS) { | |
2106 | pr_err("Requested CPU %d too large. " | |
2107 | "Consider raising MAX_NR_CPUS\n", cpu); | |
8bac41cb | 2108 | goto out_delete_map; |
5d67be97 AB |
2109 | } |
2110 | ||
2111 | set_bit(cpu, cpu_bitmap); | |
2112 | } | |
2113 | ||
8bac41cb SF |
2114 | err = 0; |
2115 | ||
2116 | out_delete_map: | |
f30a79b0 | 2117 | cpu_map__put(map); |
8bac41cb | 2118 | return err; |
5d67be97 | 2119 | } |
fbe96f29 SE |
2120 | |
2121 | void perf_session__fprintf_info(struct perf_session *session, FILE *fp, | |
2122 | bool full) | |
2123 | { | |
2124 | struct stat st; | |
c5765ece | 2125 | int fd, ret; |
fbe96f29 SE |
2126 | |
2127 | if (session == NULL || fp == NULL) | |
2128 | return; | |
2129 | ||
c5765ece MI |
2130 | fd = perf_data_file__fd(session->file); |
2131 | ||
cc9784bd | 2132 | ret = fstat(fd, &st); |
fbe96f29 SE |
2133 | if (ret == -1) |
2134 | return; | |
2135 | ||
2136 | fprintf(fp, "# ========\n"); | |
2137 | fprintf(fp, "# captured on: %s", ctime(&st.st_ctime)); | |
2138 | perf_header__fprintf_info(session, fp, full); | |
2139 | fprintf(fp, "# ========\n#\n"); | |
2140 | } | |
da378962 ACM |
2141 | |
2142 | ||
2143 | int __perf_session__set_tracepoints_handlers(struct perf_session *session, | |
2144 | const struct perf_evsel_str_handler *assocs, | |
2145 | size_t nr_assocs) | |
2146 | { | |
da378962 | 2147 | struct perf_evsel *evsel; |
da378962 ACM |
2148 | size_t i; |
2149 | int err; | |
2150 | ||
2151 | for (i = 0; i < nr_assocs; i++) { | |
ccf53eac ACM |
2152 | /* |
2153 | * Adding a handler for an event not in the session, | |
2154 | * just ignore it. | |
2155 | */ | |
2156 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, assocs[i].name); | |
da378962 | 2157 | if (evsel == NULL) |
ccf53eac | 2158 | continue; |
da378962 ACM |
2159 | |
2160 | err = -EEXIST; | |
744a9719 | 2161 | if (evsel->handler != NULL) |
ccf53eac | 2162 | goto out; |
744a9719 | 2163 | evsel->handler = assocs[i].handler; |
da378962 ACM |
2164 | } |
2165 | ||
2166 | err = 0; | |
2167 | out: | |
2168 | return err; | |
da378962 | 2169 | } |
3c659eed AH |
2170 | |
2171 | int perf_event__process_id_index(struct perf_tool *tool __maybe_unused, | |
2172 | union perf_event *event, | |
2173 | struct perf_session *session) | |
2174 | { | |
2175 | struct perf_evlist *evlist = session->evlist; | |
2176 | struct id_index_event *ie = &event->id_index; | |
2177 | size_t i, nr, max_nr; | |
2178 | ||
2179 | max_nr = (ie->header.size - sizeof(struct id_index_event)) / | |
2180 | sizeof(struct id_index_entry); | |
2181 | nr = ie->nr; | |
2182 | if (nr > max_nr) | |
2183 | return -EINVAL; | |
2184 | ||
2185 | if (dump_trace) | |
2186 | fprintf(stdout, " nr: %zu\n", nr); | |
2187 | ||
2188 | for (i = 0; i < nr; i++) { | |
2189 | struct id_index_entry *e = &ie->entries[i]; | |
2190 | struct perf_sample_id *sid; | |
2191 | ||
2192 | if (dump_trace) { | |
2193 | fprintf(stdout, " ... id: %"PRIu64, e->id); | |
2194 | fprintf(stdout, " idx: %"PRIu64, e->idx); | |
2195 | fprintf(stdout, " cpu: %"PRId64, e->cpu); | |
2196 | fprintf(stdout, " tid: %"PRId64"\n", e->tid); | |
2197 | } | |
2198 | ||
2199 | sid = perf_evlist__id2sid(evlist, e->id); | |
2200 | if (!sid) | |
2201 | return -ENOENT; | |
2202 | sid->idx = e->idx; | |
2203 | sid->cpu = e->cpu; | |
2204 | sid->tid = e->tid; | |
2205 | } | |
2206 | return 0; | |
2207 | } | |
2208 | ||
2209 | int perf_event__synthesize_id_index(struct perf_tool *tool, | |
2210 | perf_event__handler_t process, | |
2211 | struct perf_evlist *evlist, | |
2212 | struct machine *machine) | |
2213 | { | |
2214 | union perf_event *ev; | |
2215 | struct perf_evsel *evsel; | |
2216 | size_t nr = 0, i = 0, sz, max_nr, n; | |
2217 | int err; | |
2218 | ||
2219 | pr_debug2("Synthesizing id index\n"); | |
2220 | ||
2221 | max_nr = (UINT16_MAX - sizeof(struct id_index_event)) / | |
2222 | sizeof(struct id_index_entry); | |
2223 | ||
cba9b847 | 2224 | evlist__for_each(evlist, evsel) |
3c659eed AH |
2225 | nr += evsel->ids; |
2226 | ||
2227 | n = nr > max_nr ? max_nr : nr; | |
2228 | sz = sizeof(struct id_index_event) + n * sizeof(struct id_index_entry); | |
2229 | ev = zalloc(sz); | |
2230 | if (!ev) | |
2231 | return -ENOMEM; | |
2232 | ||
2233 | ev->id_index.header.type = PERF_RECORD_ID_INDEX; | |
2234 | ev->id_index.header.size = sz; | |
2235 | ev->id_index.nr = n; | |
2236 | ||
cba9b847 | 2237 | evlist__for_each(evlist, evsel) { |
3c659eed AH |
2238 | u32 j; |
2239 | ||
2240 | for (j = 0; j < evsel->ids; j++) { | |
2241 | struct id_index_entry *e; | |
2242 | struct perf_sample_id *sid; | |
2243 | ||
2244 | if (i >= n) { | |
2245 | err = process(tool, ev, NULL, machine); | |
2246 | if (err) | |
2247 | goto out_err; | |
2248 | nr -= n; | |
2249 | i = 0; | |
2250 | } | |
2251 | ||
2252 | e = &ev->id_index.entries[i++]; | |
2253 | ||
2254 | e->id = evsel->id[j]; | |
2255 | ||
2256 | sid = perf_evlist__id2sid(evlist, e->id); | |
2257 | if (!sid) { | |
2258 | free(ev); | |
2259 | return -ENOENT; | |
2260 | } | |
2261 | ||
2262 | e->idx = sid->idx; | |
2263 | e->cpu = sid->cpu; | |
2264 | e->tid = sid->tid; | |
2265 | } | |
2266 | } | |
2267 | ||
2268 | sz = sizeof(struct id_index_event) + nr * sizeof(struct id_index_entry); | |
2269 | ev->id_index.header.size = sz; | |
2270 | ev->id_index.nr = nr; | |
2271 | ||
2272 | err = process(tool, ev, NULL, machine); | |
2273 | out_err: | |
2274 | free(ev); | |
2275 | ||
2276 | return err; | |
2277 | } |