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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 | ||
e5cadb93 | 86 | evlist__for_each_entry(session->evlist, evsel) { |
cfe1c414 AH |
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 | { |
e1446551 ACM |
181 | if (session == NULL) |
182 | return; | |
c446870d | 183 | auxtrace__free(session); |
99fa2984 | 184 | auxtrace_index__free(&session->auxtrace_index); |
316c7136 | 185 | perf_session__destroy_kernel_maps(session); |
316c7136 | 186 | perf_session__delete_threads(session); |
f0ce888c | 187 | perf_env__exit(&session->header.env); |
316c7136 ACM |
188 | machines__exit(&session->machines); |
189 | if (session->file) | |
190 | perf_data_file__close(session->file); | |
191 | free(session); | |
94c744b6 | 192 | } |
a328626b | 193 | |
47c3d109 AH |
194 | static int process_event_synth_tracing_data_stub(struct perf_tool *tool |
195 | __maybe_unused, | |
196 | union perf_event *event | |
1d037ca1 IT |
197 | __maybe_unused, |
198 | struct perf_session *session | |
199 | __maybe_unused) | |
d20deb64 ACM |
200 | { |
201 | dump_printf(": unhandled!\n"); | |
202 | return 0; | |
203 | } | |
204 | ||
47c3d109 AH |
205 | static int process_event_synth_attr_stub(struct perf_tool *tool __maybe_unused, |
206 | union perf_event *event __maybe_unused, | |
1d037ca1 IT |
207 | struct perf_evlist **pevlist |
208 | __maybe_unused) | |
10d0f086 ACM |
209 | { |
210 | dump_printf(": unhandled!\n"); | |
211 | return 0; | |
212 | } | |
213 | ||
ffe77725 JO |
214 | static int process_event_synth_event_update_stub(struct perf_tool *tool __maybe_unused, |
215 | union perf_event *event __maybe_unused, | |
216 | struct perf_evlist **pevlist | |
217 | __maybe_unused) | |
218 | { | |
2d2aea6a JO |
219 | if (dump_trace) |
220 | perf_event__fprintf_event_update(event, stdout); | |
221 | ||
ffe77725 JO |
222 | dump_printf(": unhandled!\n"); |
223 | return 0; | |
224 | } | |
225 | ||
1d037ca1 IT |
226 | static int process_event_sample_stub(struct perf_tool *tool __maybe_unused, |
227 | union perf_event *event __maybe_unused, | |
228 | struct perf_sample *sample __maybe_unused, | |
229 | struct perf_evsel *evsel __maybe_unused, | |
230 | struct machine *machine __maybe_unused) | |
9e69c210 ACM |
231 | { |
232 | dump_printf(": unhandled!\n"); | |
233 | return 0; | |
234 | } | |
235 | ||
1d037ca1 IT |
236 | static int process_event_stub(struct perf_tool *tool __maybe_unused, |
237 | union perf_event *event __maybe_unused, | |
238 | struct perf_sample *sample __maybe_unused, | |
239 | struct machine *machine __maybe_unused) | |
06aae590 ACM |
240 | { |
241 | dump_printf(": unhandled!\n"); | |
242 | return 0; | |
243 | } | |
244 | ||
1d037ca1 IT |
245 | static int process_finished_round_stub(struct perf_tool *tool __maybe_unused, |
246 | union perf_event *event __maybe_unused, | |
d704ebda | 247 | struct ordered_events *oe __maybe_unused) |
743eb868 ACM |
248 | { |
249 | dump_printf(": unhandled!\n"); | |
250 | return 0; | |
251 | } | |
252 | ||
45694aa7 | 253 | static int process_finished_round(struct perf_tool *tool, |
d20deb64 | 254 | union perf_event *event, |
d704ebda | 255 | struct ordered_events *oe); |
d6b17beb | 256 | |
a16ac023 AH |
257 | static int skipn(int fd, off_t n) |
258 | { | |
259 | char buf[4096]; | |
260 | ssize_t ret; | |
261 | ||
262 | while (n > 0) { | |
263 | ret = read(fd, buf, min(n, (off_t)sizeof(buf))); | |
264 | if (ret <= 0) | |
265 | return ret; | |
266 | n -= ret; | |
267 | } | |
268 | ||
269 | return 0; | |
270 | } | |
271 | ||
272 | static s64 process_event_auxtrace_stub(struct perf_tool *tool __maybe_unused, | |
273 | union perf_event *event, | |
274 | struct perf_session *session | |
275 | __maybe_unused) | |
276 | { | |
277 | dump_printf(": unhandled!\n"); | |
278 | if (perf_data_file__is_pipe(session->file)) | |
279 | skipn(perf_data_file__fd(session->file), event->auxtrace.size); | |
280 | return event->auxtrace.size; | |
281 | } | |
282 | ||
5fb0ac16 AH |
283 | static int process_event_op2_stub(struct perf_tool *tool __maybe_unused, |
284 | union perf_event *event __maybe_unused, | |
285 | struct perf_session *session __maybe_unused) | |
e9bf54d2 AH |
286 | { |
287 | dump_printf(": unhandled!\n"); | |
288 | return 0; | |
289 | } | |
290 | ||
5f3339d2 JO |
291 | |
292 | static | |
293 | int process_event_thread_map_stub(struct perf_tool *tool __maybe_unused, | |
294 | union perf_event *event __maybe_unused, | |
295 | struct perf_session *session __maybe_unused) | |
296 | { | |
2d2aea6a JO |
297 | if (dump_trace) |
298 | perf_event__fprintf_thread_map(event, stdout); | |
299 | ||
5f3339d2 JO |
300 | dump_printf(": unhandled!\n"); |
301 | return 0; | |
302 | } | |
303 | ||
6640b6c2 JO |
304 | static |
305 | int process_event_cpu_map_stub(struct perf_tool *tool __maybe_unused, | |
306 | union perf_event *event __maybe_unused, | |
307 | struct perf_session *session __maybe_unused) | |
308 | { | |
2d2aea6a JO |
309 | if (dump_trace) |
310 | perf_event__fprintf_cpu_map(event, stdout); | |
311 | ||
6640b6c2 JO |
312 | dump_printf(": unhandled!\n"); |
313 | return 0; | |
314 | } | |
315 | ||
374fb9e3 JO |
316 | static |
317 | int process_event_stat_config_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_stat_config(event, stdout); | |
323 | ||
374fb9e3 JO |
324 | dump_printf(": unhandled!\n"); |
325 | return 0; | |
326 | } | |
327 | ||
d80518c9 JO |
328 | static int process_stat_stub(struct perf_tool *tool __maybe_unused, |
329 | union perf_event *event __maybe_unused, | |
330 | struct perf_session *perf_session | |
331 | __maybe_unused) | |
332 | { | |
2d2aea6a JO |
333 | if (dump_trace) |
334 | perf_event__fprintf_stat(event, stdout); | |
335 | ||
d80518c9 JO |
336 | dump_printf(": unhandled!\n"); |
337 | return 0; | |
338 | } | |
339 | ||
2d8f0f18 JO |
340 | static int process_stat_round_stub(struct perf_tool *tool __maybe_unused, |
341 | union perf_event *event __maybe_unused, | |
342 | struct perf_session *perf_session | |
343 | __maybe_unused) | |
344 | { | |
2d2aea6a JO |
345 | if (dump_trace) |
346 | perf_event__fprintf_stat_round(event, stdout); | |
347 | ||
2d8f0f18 JO |
348 | dump_printf(": unhandled!\n"); |
349 | return 0; | |
350 | } | |
351 | ||
9c501402 | 352 | void perf_tool__fill_defaults(struct perf_tool *tool) |
06aae590 | 353 | { |
45694aa7 ACM |
354 | if (tool->sample == NULL) |
355 | tool->sample = process_event_sample_stub; | |
356 | if (tool->mmap == NULL) | |
357 | tool->mmap = process_event_stub; | |
6adb0b0a DA |
358 | if (tool->mmap2 == NULL) |
359 | tool->mmap2 = process_event_stub; | |
45694aa7 ACM |
360 | if (tool->comm == NULL) |
361 | tool->comm = process_event_stub; | |
362 | if (tool->fork == NULL) | |
363 | tool->fork = process_event_stub; | |
364 | if (tool->exit == NULL) | |
365 | tool->exit = process_event_stub; | |
366 | if (tool->lost == NULL) | |
367 | tool->lost = perf_event__process_lost; | |
c4937a91 KL |
368 | if (tool->lost_samples == NULL) |
369 | tool->lost_samples = perf_event__process_lost_samples; | |
4a96f7a0 AH |
370 | if (tool->aux == NULL) |
371 | tool->aux = perf_event__process_aux; | |
0ad21f68 AH |
372 | if (tool->itrace_start == NULL) |
373 | tool->itrace_start = perf_event__process_itrace_start; | |
0286039f AH |
374 | if (tool->context_switch == NULL) |
375 | tool->context_switch = perf_event__process_switch; | |
45694aa7 ACM |
376 | if (tool->read == NULL) |
377 | tool->read = process_event_sample_stub; | |
378 | if (tool->throttle == NULL) | |
379 | tool->throttle = process_event_stub; | |
380 | if (tool->unthrottle == NULL) | |
381 | tool->unthrottle = process_event_stub; | |
382 | if (tool->attr == NULL) | |
383 | tool->attr = process_event_synth_attr_stub; | |
ffe77725 JO |
384 | if (tool->event_update == NULL) |
385 | tool->event_update = process_event_synth_event_update_stub; | |
45694aa7 ACM |
386 | if (tool->tracing_data == NULL) |
387 | tool->tracing_data = process_event_synth_tracing_data_stub; | |
388 | if (tool->build_id == NULL) | |
5fb0ac16 | 389 | tool->build_id = process_event_op2_stub; |
45694aa7 | 390 | if (tool->finished_round == NULL) { |
0a8cb85c | 391 | if (tool->ordered_events) |
45694aa7 | 392 | tool->finished_round = process_finished_round; |
d6b17beb | 393 | else |
45694aa7 | 394 | tool->finished_round = process_finished_round_stub; |
d6b17beb | 395 | } |
3c659eed | 396 | if (tool->id_index == NULL) |
5fb0ac16 | 397 | tool->id_index = process_event_op2_stub; |
a16ac023 | 398 | if (tool->auxtrace_info == NULL) |
5fb0ac16 | 399 | tool->auxtrace_info = process_event_op2_stub; |
a16ac023 AH |
400 | if (tool->auxtrace == NULL) |
401 | tool->auxtrace = process_event_auxtrace_stub; | |
e9bf54d2 | 402 | if (tool->auxtrace_error == NULL) |
5fb0ac16 | 403 | tool->auxtrace_error = process_event_op2_stub; |
5f3339d2 JO |
404 | if (tool->thread_map == NULL) |
405 | tool->thread_map = process_event_thread_map_stub; | |
6640b6c2 JO |
406 | if (tool->cpu_map == NULL) |
407 | tool->cpu_map = process_event_cpu_map_stub; | |
374fb9e3 JO |
408 | if (tool->stat_config == NULL) |
409 | tool->stat_config = process_event_stat_config_stub; | |
d80518c9 JO |
410 | if (tool->stat == NULL) |
411 | tool->stat = process_stat_stub; | |
2d8f0f18 JO |
412 | if (tool->stat_round == NULL) |
413 | tool->stat_round = process_stat_round_stub; | |
46bc29b9 AH |
414 | if (tool->time_conv == NULL) |
415 | tool->time_conv = process_event_op2_stub; | |
06aae590 | 416 | } |
48000a1a | 417 | |
268fb20f JO |
418 | static void swap_sample_id_all(union perf_event *event, void *data) |
419 | { | |
420 | void *end = (void *) event + event->header.size; | |
421 | int size = end - data; | |
422 | ||
423 | BUG_ON(size % sizeof(u64)); | |
424 | mem_bswap_64(data, size); | |
425 | } | |
426 | ||
427 | static void perf_event__all64_swap(union perf_event *event, | |
1d037ca1 | 428 | bool sample_id_all __maybe_unused) |
ba21594c | 429 | { |
8115d60c ACM |
430 | struct perf_event_header *hdr = &event->header; |
431 | mem_bswap_64(hdr + 1, event->header.size - sizeof(*hdr)); | |
ba21594c ACM |
432 | } |
433 | ||
268fb20f | 434 | static void perf_event__comm_swap(union perf_event *event, bool sample_id_all) |
ba21594c | 435 | { |
8115d60c ACM |
436 | event->comm.pid = bswap_32(event->comm.pid); |
437 | event->comm.tid = bswap_32(event->comm.tid); | |
268fb20f JO |
438 | |
439 | if (sample_id_all) { | |
440 | void *data = &event->comm.comm; | |
441 | ||
9ac3e487 | 442 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
268fb20f JO |
443 | swap_sample_id_all(event, data); |
444 | } | |
ba21594c ACM |
445 | } |
446 | ||
268fb20f JO |
447 | static void perf_event__mmap_swap(union perf_event *event, |
448 | bool sample_id_all) | |
ba21594c | 449 | { |
8115d60c ACM |
450 | event->mmap.pid = bswap_32(event->mmap.pid); |
451 | event->mmap.tid = bswap_32(event->mmap.tid); | |
452 | event->mmap.start = bswap_64(event->mmap.start); | |
453 | event->mmap.len = bswap_64(event->mmap.len); | |
454 | event->mmap.pgoff = bswap_64(event->mmap.pgoff); | |
268fb20f JO |
455 | |
456 | if (sample_id_all) { | |
457 | void *data = &event->mmap.filename; | |
458 | ||
9ac3e487 | 459 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
268fb20f JO |
460 | swap_sample_id_all(event, data); |
461 | } | |
ba21594c ACM |
462 | } |
463 | ||
5c5e854b SE |
464 | static void perf_event__mmap2_swap(union perf_event *event, |
465 | bool sample_id_all) | |
466 | { | |
467 | event->mmap2.pid = bswap_32(event->mmap2.pid); | |
468 | event->mmap2.tid = bswap_32(event->mmap2.tid); | |
469 | event->mmap2.start = bswap_64(event->mmap2.start); | |
470 | event->mmap2.len = bswap_64(event->mmap2.len); | |
471 | event->mmap2.pgoff = bswap_64(event->mmap2.pgoff); | |
472 | event->mmap2.maj = bswap_32(event->mmap2.maj); | |
473 | event->mmap2.min = bswap_32(event->mmap2.min); | |
474 | event->mmap2.ino = bswap_64(event->mmap2.ino); | |
475 | ||
476 | if (sample_id_all) { | |
477 | void *data = &event->mmap2.filename; | |
478 | ||
479 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); | |
480 | swap_sample_id_all(event, data); | |
481 | } | |
482 | } | |
268fb20f | 483 | static void perf_event__task_swap(union perf_event *event, bool sample_id_all) |
ba21594c | 484 | { |
8115d60c ACM |
485 | event->fork.pid = bswap_32(event->fork.pid); |
486 | event->fork.tid = bswap_32(event->fork.tid); | |
487 | event->fork.ppid = bswap_32(event->fork.ppid); | |
488 | event->fork.ptid = bswap_32(event->fork.ptid); | |
489 | event->fork.time = bswap_64(event->fork.time); | |
268fb20f JO |
490 | |
491 | if (sample_id_all) | |
492 | swap_sample_id_all(event, &event->fork + 1); | |
ba21594c ACM |
493 | } |
494 | ||
268fb20f | 495 | static void perf_event__read_swap(union perf_event *event, bool sample_id_all) |
ba21594c | 496 | { |
8115d60c ACM |
497 | event->read.pid = bswap_32(event->read.pid); |
498 | event->read.tid = bswap_32(event->read.tid); | |
499 | event->read.value = bswap_64(event->read.value); | |
500 | event->read.time_enabled = bswap_64(event->read.time_enabled); | |
501 | event->read.time_running = bswap_64(event->read.time_running); | |
502 | event->read.id = bswap_64(event->read.id); | |
268fb20f JO |
503 | |
504 | if (sample_id_all) | |
505 | swap_sample_id_all(event, &event->read + 1); | |
ba21594c ACM |
506 | } |
507 | ||
4a96f7a0 AH |
508 | static void perf_event__aux_swap(union perf_event *event, bool sample_id_all) |
509 | { | |
510 | event->aux.aux_offset = bswap_64(event->aux.aux_offset); | |
511 | event->aux.aux_size = bswap_64(event->aux.aux_size); | |
512 | event->aux.flags = bswap_64(event->aux.flags); | |
513 | ||
514 | if (sample_id_all) | |
515 | swap_sample_id_all(event, &event->aux + 1); | |
516 | } | |
517 | ||
0ad21f68 AH |
518 | static void perf_event__itrace_start_swap(union perf_event *event, |
519 | bool sample_id_all) | |
520 | { | |
521 | event->itrace_start.pid = bswap_32(event->itrace_start.pid); | |
522 | event->itrace_start.tid = bswap_32(event->itrace_start.tid); | |
523 | ||
524 | if (sample_id_all) | |
525 | swap_sample_id_all(event, &event->itrace_start + 1); | |
526 | } | |
527 | ||
0286039f AH |
528 | static void perf_event__switch_swap(union perf_event *event, bool sample_id_all) |
529 | { | |
530 | if (event->header.type == PERF_RECORD_SWITCH_CPU_WIDE) { | |
531 | event->context_switch.next_prev_pid = | |
532 | bswap_32(event->context_switch.next_prev_pid); | |
533 | event->context_switch.next_prev_tid = | |
534 | bswap_32(event->context_switch.next_prev_tid); | |
535 | } | |
536 | ||
537 | if (sample_id_all) | |
538 | swap_sample_id_all(event, &event->context_switch + 1); | |
539 | } | |
540 | ||
dd96c46b JO |
541 | static void perf_event__throttle_swap(union perf_event *event, |
542 | bool sample_id_all) | |
543 | { | |
544 | event->throttle.time = bswap_64(event->throttle.time); | |
545 | event->throttle.id = bswap_64(event->throttle.id); | |
546 | event->throttle.stream_id = bswap_64(event->throttle.stream_id); | |
547 | ||
548 | if (sample_id_all) | |
549 | swap_sample_id_all(event, &event->throttle + 1); | |
550 | } | |
551 | ||
e108c66e JO |
552 | static u8 revbyte(u8 b) |
553 | { | |
554 | int rev = (b >> 4) | ((b & 0xf) << 4); | |
555 | rev = ((rev & 0xcc) >> 2) | ((rev & 0x33) << 2); | |
556 | rev = ((rev & 0xaa) >> 1) | ((rev & 0x55) << 1); | |
557 | return (u8) rev; | |
558 | } | |
559 | ||
560 | /* | |
561 | * XXX this is hack in attempt to carry flags bitfield | |
bd1a0be5 | 562 | * through endian village. ABI says: |
e108c66e JO |
563 | * |
564 | * Bit-fields are allocated from right to left (least to most significant) | |
565 | * on little-endian implementations and from left to right (most to least | |
566 | * significant) on big-endian implementations. | |
567 | * | |
568 | * The above seems to be byte specific, so we need to reverse each | |
569 | * byte of the bitfield. 'Internet' also says this might be implementation | |
570 | * specific and we probably need proper fix and carry perf_event_attr | |
571 | * bitfield flags in separate data file FEAT_ section. Thought this seems | |
572 | * to work for now. | |
573 | */ | |
574 | static void swap_bitfield(u8 *p, unsigned len) | |
575 | { | |
576 | unsigned i; | |
577 | ||
578 | for (i = 0; i < len; i++) { | |
579 | *p = revbyte(*p); | |
580 | p++; | |
581 | } | |
582 | } | |
583 | ||
eda3913b DA |
584 | /* exported for swapping attributes in file header */ |
585 | void perf_event__attr_swap(struct perf_event_attr *attr) | |
586 | { | |
587 | attr->type = bswap_32(attr->type); | |
588 | attr->size = bswap_32(attr->size); | |
b30b6172 WN |
589 | |
590 | #define bswap_safe(f, n) \ | |
591 | (attr->size > (offsetof(struct perf_event_attr, f) + \ | |
592 | sizeof(attr->f) * (n))) | |
593 | #define bswap_field(f, sz) \ | |
594 | do { \ | |
595 | if (bswap_safe(f, 0)) \ | |
596 | attr->f = bswap_##sz(attr->f); \ | |
597 | } while(0) | |
792d48b4 | 598 | #define bswap_field_16(f) bswap_field(f, 16) |
b30b6172 WN |
599 | #define bswap_field_32(f) bswap_field(f, 32) |
600 | #define bswap_field_64(f) bswap_field(f, 64) | |
601 | ||
602 | bswap_field_64(config); | |
603 | bswap_field_64(sample_period); | |
604 | bswap_field_64(sample_type); | |
605 | bswap_field_64(read_format); | |
606 | bswap_field_32(wakeup_events); | |
607 | bswap_field_32(bp_type); | |
608 | bswap_field_64(bp_addr); | |
609 | bswap_field_64(bp_len); | |
610 | bswap_field_64(branch_sample_type); | |
611 | bswap_field_64(sample_regs_user); | |
612 | bswap_field_32(sample_stack_user); | |
613 | bswap_field_32(aux_watermark); | |
792d48b4 | 614 | bswap_field_16(sample_max_stack); |
b30b6172 WN |
615 | |
616 | /* | |
617 | * After read_format are bitfields. Check read_format because | |
618 | * we are unable to use offsetof on bitfield. | |
619 | */ | |
620 | if (bswap_safe(read_format, 1)) | |
621 | swap_bitfield((u8 *) (&attr->read_format + 1), | |
622 | sizeof(u64)); | |
623 | #undef bswap_field_64 | |
624 | #undef bswap_field_32 | |
625 | #undef bswap_field | |
626 | #undef bswap_safe | |
eda3913b DA |
627 | } |
628 | ||
268fb20f | 629 | static void perf_event__hdr_attr_swap(union perf_event *event, |
1d037ca1 | 630 | bool sample_id_all __maybe_unused) |
2c46dbb5 TZ |
631 | { |
632 | size_t size; | |
633 | ||
eda3913b | 634 | perf_event__attr_swap(&event->attr.attr); |
2c46dbb5 | 635 | |
8115d60c ACM |
636 | size = event->header.size; |
637 | size -= (void *)&event->attr.id - (void *)event; | |
638 | mem_bswap_64(event->attr.id, size); | |
2c46dbb5 TZ |
639 | } |
640 | ||
ffe77725 JO |
641 | static void perf_event__event_update_swap(union perf_event *event, |
642 | bool sample_id_all __maybe_unused) | |
643 | { | |
644 | event->event_update.type = bswap_64(event->event_update.type); | |
645 | event->event_update.id = bswap_64(event->event_update.id); | |
646 | } | |
647 | ||
268fb20f | 648 | static void perf_event__event_type_swap(union perf_event *event, |
1d037ca1 | 649 | bool sample_id_all __maybe_unused) |
cd19a035 | 650 | { |
8115d60c ACM |
651 | event->event_type.event_type.event_id = |
652 | bswap_64(event->event_type.event_type.event_id); | |
cd19a035 TZ |
653 | } |
654 | ||
268fb20f | 655 | static void perf_event__tracing_data_swap(union perf_event *event, |
1d037ca1 | 656 | bool sample_id_all __maybe_unused) |
9215545e | 657 | { |
8115d60c | 658 | event->tracing_data.size = bswap_32(event->tracing_data.size); |
9215545e TZ |
659 | } |
660 | ||
a16ac023 AH |
661 | static void perf_event__auxtrace_info_swap(union perf_event *event, |
662 | bool sample_id_all __maybe_unused) | |
663 | { | |
664 | size_t size; | |
665 | ||
666 | event->auxtrace_info.type = bswap_32(event->auxtrace_info.type); | |
667 | ||
668 | size = event->header.size; | |
669 | size -= (void *)&event->auxtrace_info.priv - (void *)event; | |
670 | mem_bswap_64(event->auxtrace_info.priv, size); | |
671 | } | |
672 | ||
673 | static void perf_event__auxtrace_swap(union perf_event *event, | |
674 | bool sample_id_all __maybe_unused) | |
675 | { | |
676 | event->auxtrace.size = bswap_64(event->auxtrace.size); | |
677 | event->auxtrace.offset = bswap_64(event->auxtrace.offset); | |
678 | event->auxtrace.reference = bswap_64(event->auxtrace.reference); | |
679 | event->auxtrace.idx = bswap_32(event->auxtrace.idx); | |
680 | event->auxtrace.tid = bswap_32(event->auxtrace.tid); | |
681 | event->auxtrace.cpu = bswap_32(event->auxtrace.cpu); | |
682 | } | |
683 | ||
e9bf54d2 AH |
684 | static void perf_event__auxtrace_error_swap(union perf_event *event, |
685 | bool sample_id_all __maybe_unused) | |
686 | { | |
687 | event->auxtrace_error.type = bswap_32(event->auxtrace_error.type); | |
688 | event->auxtrace_error.code = bswap_32(event->auxtrace_error.code); | |
689 | event->auxtrace_error.cpu = bswap_32(event->auxtrace_error.cpu); | |
690 | event->auxtrace_error.pid = bswap_32(event->auxtrace_error.pid); | |
691 | event->auxtrace_error.tid = bswap_32(event->auxtrace_error.tid); | |
692 | event->auxtrace_error.ip = bswap_64(event->auxtrace_error.ip); | |
693 | } | |
694 | ||
5f3339d2 JO |
695 | static void perf_event__thread_map_swap(union perf_event *event, |
696 | bool sample_id_all __maybe_unused) | |
697 | { | |
698 | unsigned i; | |
699 | ||
700 | event->thread_map.nr = bswap_64(event->thread_map.nr); | |
701 | ||
702 | for (i = 0; i < event->thread_map.nr; i++) | |
703 | event->thread_map.entries[i].pid = bswap_64(event->thread_map.entries[i].pid); | |
704 | } | |
705 | ||
6640b6c2 JO |
706 | static void perf_event__cpu_map_swap(union perf_event *event, |
707 | bool sample_id_all __maybe_unused) | |
708 | { | |
709 | struct cpu_map_data *data = &event->cpu_map.data; | |
710 | struct cpu_map_entries *cpus; | |
711 | struct cpu_map_mask *mask; | |
712 | unsigned i; | |
713 | ||
714 | data->type = bswap_64(data->type); | |
715 | ||
716 | switch (data->type) { | |
717 | case PERF_CPU_MAP__CPUS: | |
718 | cpus = (struct cpu_map_entries *)data->data; | |
719 | ||
720 | cpus->nr = bswap_16(cpus->nr); | |
721 | ||
722 | for (i = 0; i < cpus->nr; i++) | |
723 | cpus->cpu[i] = bswap_16(cpus->cpu[i]); | |
724 | break; | |
725 | case PERF_CPU_MAP__MASK: | |
726 | mask = (struct cpu_map_mask *) data->data; | |
727 | ||
728 | mask->nr = bswap_16(mask->nr); | |
729 | mask->long_size = bswap_16(mask->long_size); | |
730 | ||
731 | switch (mask->long_size) { | |
732 | case 4: mem_bswap_32(&mask->mask, mask->nr); break; | |
733 | case 8: mem_bswap_64(&mask->mask, mask->nr); break; | |
734 | default: | |
735 | pr_err("cpu_map swap: unsupported long size\n"); | |
736 | } | |
737 | default: | |
738 | break; | |
739 | } | |
740 | } | |
741 | ||
374fb9e3 JO |
742 | static void perf_event__stat_config_swap(union perf_event *event, |
743 | bool sample_id_all __maybe_unused) | |
744 | { | |
745 | u64 size; | |
746 | ||
747 | size = event->stat_config.nr * sizeof(event->stat_config.data[0]); | |
748 | size += 1; /* nr item itself */ | |
749 | mem_bswap_64(&event->stat_config.nr, size); | |
750 | } | |
751 | ||
d80518c9 JO |
752 | static void perf_event__stat_swap(union perf_event *event, |
753 | bool sample_id_all __maybe_unused) | |
754 | { | |
755 | event->stat.id = bswap_64(event->stat.id); | |
756 | event->stat.thread = bswap_32(event->stat.thread); | |
757 | event->stat.cpu = bswap_32(event->stat.cpu); | |
758 | event->stat.val = bswap_64(event->stat.val); | |
759 | event->stat.ena = bswap_64(event->stat.ena); | |
760 | event->stat.run = bswap_64(event->stat.run); | |
761 | } | |
762 | ||
2d8f0f18 JO |
763 | static void perf_event__stat_round_swap(union perf_event *event, |
764 | bool sample_id_all __maybe_unused) | |
765 | { | |
766 | event->stat_round.type = bswap_64(event->stat_round.type); | |
767 | event->stat_round.time = bswap_64(event->stat_round.time); | |
768 | } | |
769 | ||
268fb20f JO |
770 | typedef void (*perf_event__swap_op)(union perf_event *event, |
771 | bool sample_id_all); | |
ba21594c | 772 | |
8115d60c ACM |
773 | static perf_event__swap_op perf_event__swap_ops[] = { |
774 | [PERF_RECORD_MMAP] = perf_event__mmap_swap, | |
5c5e854b | 775 | [PERF_RECORD_MMAP2] = perf_event__mmap2_swap, |
8115d60c ACM |
776 | [PERF_RECORD_COMM] = perf_event__comm_swap, |
777 | [PERF_RECORD_FORK] = perf_event__task_swap, | |
778 | [PERF_RECORD_EXIT] = perf_event__task_swap, | |
779 | [PERF_RECORD_LOST] = perf_event__all64_swap, | |
780 | [PERF_RECORD_READ] = perf_event__read_swap, | |
dd96c46b JO |
781 | [PERF_RECORD_THROTTLE] = perf_event__throttle_swap, |
782 | [PERF_RECORD_UNTHROTTLE] = perf_event__throttle_swap, | |
8115d60c | 783 | [PERF_RECORD_SAMPLE] = perf_event__all64_swap, |
4a96f7a0 | 784 | [PERF_RECORD_AUX] = perf_event__aux_swap, |
0ad21f68 | 785 | [PERF_RECORD_ITRACE_START] = perf_event__itrace_start_swap, |
c4937a91 | 786 | [PERF_RECORD_LOST_SAMPLES] = perf_event__all64_swap, |
0286039f AH |
787 | [PERF_RECORD_SWITCH] = perf_event__switch_swap, |
788 | [PERF_RECORD_SWITCH_CPU_WIDE] = perf_event__switch_swap, | |
eda3913b | 789 | [PERF_RECORD_HEADER_ATTR] = perf_event__hdr_attr_swap, |
8115d60c ACM |
790 | [PERF_RECORD_HEADER_EVENT_TYPE] = perf_event__event_type_swap, |
791 | [PERF_RECORD_HEADER_TRACING_DATA] = perf_event__tracing_data_swap, | |
792 | [PERF_RECORD_HEADER_BUILD_ID] = NULL, | |
3c659eed | 793 | [PERF_RECORD_ID_INDEX] = perf_event__all64_swap, |
a16ac023 AH |
794 | [PERF_RECORD_AUXTRACE_INFO] = perf_event__auxtrace_info_swap, |
795 | [PERF_RECORD_AUXTRACE] = perf_event__auxtrace_swap, | |
e9bf54d2 | 796 | [PERF_RECORD_AUXTRACE_ERROR] = perf_event__auxtrace_error_swap, |
5f3339d2 | 797 | [PERF_RECORD_THREAD_MAP] = perf_event__thread_map_swap, |
6640b6c2 | 798 | [PERF_RECORD_CPU_MAP] = perf_event__cpu_map_swap, |
374fb9e3 | 799 | [PERF_RECORD_STAT_CONFIG] = perf_event__stat_config_swap, |
d80518c9 | 800 | [PERF_RECORD_STAT] = perf_event__stat_swap, |
2d8f0f18 | 801 | [PERF_RECORD_STAT_ROUND] = perf_event__stat_round_swap, |
ffe77725 | 802 | [PERF_RECORD_EVENT_UPDATE] = perf_event__event_update_swap, |
46bc29b9 | 803 | [PERF_RECORD_TIME_CONV] = perf_event__all64_swap, |
8115d60c | 804 | [PERF_RECORD_HEADER_MAX] = NULL, |
ba21594c ACM |
805 | }; |
806 | ||
d6b17beb FW |
807 | /* |
808 | * When perf record finishes a pass on every buffers, it records this pseudo | |
809 | * event. | |
810 | * We record the max timestamp t found in the pass n. | |
811 | * Assuming these timestamps are monotonic across cpus, we know that if | |
812 | * a buffer still has events with timestamps below t, they will be all | |
813 | * available and then read in the pass n + 1. | |
814 | * Hence when we start to read the pass n + 2, we can safely flush every | |
815 | * events with timestamps below t. | |
816 | * | |
817 | * ============ PASS n ================= | |
818 | * CPU 0 | CPU 1 | |
819 | * | | |
820 | * cnt1 timestamps | cnt2 timestamps | |
821 | * 1 | 2 | |
822 | * 2 | 3 | |
823 | * - | 4 <--- max recorded | |
824 | * | |
825 | * ============ PASS n + 1 ============== | |
826 | * CPU 0 | CPU 1 | |
827 | * | | |
828 | * cnt1 timestamps | cnt2 timestamps | |
829 | * 3 | 5 | |
830 | * 4 | 6 | |
831 | * 5 | 7 <---- max recorded | |
832 | * | |
833 | * Flush every events below timestamp 4 | |
834 | * | |
835 | * ============ PASS n + 2 ============== | |
836 | * CPU 0 | CPU 1 | |
837 | * | | |
838 | * cnt1 timestamps | cnt2 timestamps | |
839 | * 6 | 8 | |
840 | * 7 | 9 | |
841 | * - | 10 | |
842 | * | |
843 | * Flush every events below timestamp 7 | |
844 | * etc... | |
845 | */ | |
b7b61cbe | 846 | static int process_finished_round(struct perf_tool *tool __maybe_unused, |
1d037ca1 | 847 | union perf_event *event __maybe_unused, |
d704ebda | 848 | struct ordered_events *oe) |
d6b17beb | 849 | { |
5531e162 AH |
850 | if (dump_trace) |
851 | fprintf(stdout, "\n"); | |
b7b61cbe | 852 | return ordered_events__flush(oe, OE_FLUSH__ROUND); |
d6b17beb FW |
853 | } |
854 | ||
b7b61cbe ACM |
855 | int perf_session__queue_event(struct perf_session *s, union perf_event *event, |
856 | struct perf_sample *sample, u64 file_offset) | |
c61e52ee | 857 | { |
4a6b362f | 858 | return ordered_events__queue(&s->ordered_events, event, sample, file_offset); |
640c03ce | 859 | } |
c61e52ee | 860 | |
384b6055 | 861 | static void callchain__lbr_callstack_printf(struct perf_sample *sample) |
640c03ce | 862 | { |
384b6055 KL |
863 | struct ip_callchain *callchain = sample->callchain; |
864 | struct branch_stack *lbr_stack = sample->branch_stack; | |
865 | u64 kernel_callchain_nr = callchain->nr; | |
640c03ce | 866 | unsigned int i; |
c61e52ee | 867 | |
384b6055 KL |
868 | for (i = 0; i < kernel_callchain_nr; i++) { |
869 | if (callchain->ips[i] == PERF_CONTEXT_USER) | |
870 | break; | |
871 | } | |
872 | ||
873 | if ((i != kernel_callchain_nr) && lbr_stack->nr) { | |
874 | u64 total_nr; | |
875 | /* | |
876 | * LBR callstack can only get user call chain, | |
877 | * i is kernel call chain number, | |
878 | * 1 is PERF_CONTEXT_USER. | |
879 | * | |
880 | * The user call chain is stored in LBR registers. | |
881 | * LBR are pair registers. The caller is stored | |
882 | * in "from" register, while the callee is stored | |
883 | * in "to" register. | |
884 | * For example, there is a call stack | |
885 | * "A"->"B"->"C"->"D". | |
886 | * The LBR registers will recorde like | |
887 | * "C"->"D", "B"->"C", "A"->"B". | |
888 | * So only the first "to" register and all "from" | |
889 | * registers are needed to construct the whole stack. | |
890 | */ | |
891 | total_nr = i + 1 + lbr_stack->nr + 1; | |
892 | kernel_callchain_nr = i + 1; | |
893 | ||
894 | printf("... LBR call chain: nr:%" PRIu64 "\n", total_nr); | |
895 | ||
896 | for (i = 0; i < kernel_callchain_nr; i++) | |
897 | printf("..... %2d: %016" PRIx64 "\n", | |
898 | i, callchain->ips[i]); | |
899 | ||
900 | printf("..... %2d: %016" PRIx64 "\n", | |
901 | (int)(kernel_callchain_nr), lbr_stack->entries[0].to); | |
902 | for (i = 0; i < lbr_stack->nr; i++) | |
903 | printf("..... %2d: %016" PRIx64 "\n", | |
904 | (int)(i + kernel_callchain_nr + 1), lbr_stack->entries[i].from); | |
905 | } | |
906 | } | |
907 | ||
908 | static void callchain__printf(struct perf_evsel *evsel, | |
909 | struct perf_sample *sample) | |
910 | { | |
911 | unsigned int i; | |
912 | struct ip_callchain *callchain = sample->callchain; | |
913 | ||
acf2abbd | 914 | if (perf_evsel__has_branch_callstack(evsel)) |
384b6055 KL |
915 | callchain__lbr_callstack_printf(sample); |
916 | ||
917 | printf("... FP chain: nr:%" PRIu64 "\n", callchain->nr); | |
640c03ce | 918 | |
384b6055 | 919 | for (i = 0; i < callchain->nr; i++) |
9486aa38 | 920 | printf("..... %2d: %016" PRIx64 "\n", |
384b6055 | 921 | i, callchain->ips[i]); |
c61e52ee FW |
922 | } |
923 | ||
b5387528 RAV |
924 | static void branch_stack__printf(struct perf_sample *sample) |
925 | { | |
926 | uint64_t i; | |
927 | ||
928 | printf("... branch stack: nr:%" PRIu64 "\n", sample->branch_stack->nr); | |
929 | ||
0e332f03 AK |
930 | for (i = 0; i < sample->branch_stack->nr; i++) { |
931 | struct branch_entry *e = &sample->branch_stack->entries[i]; | |
932 | ||
933 | printf("..... %2"PRIu64": %016" PRIx64 " -> %016" PRIx64 " %hu cycles %s%s%s%s %x\n", | |
934 | i, e->from, e->to, | |
935 | e->flags.cycles, | |
936 | e->flags.mispred ? "M" : " ", | |
937 | e->flags.predicted ? "P" : " ", | |
938 | e->flags.abort ? "A" : " ", | |
939 | e->flags.in_tx ? "T" : " ", | |
940 | (unsigned)e->flags.reserved); | |
941 | } | |
b5387528 RAV |
942 | } |
943 | ||
0f6a3015 JO |
944 | static void regs_dump__printf(u64 mask, u64 *regs) |
945 | { | |
946 | unsigned rid, i = 0; | |
947 | ||
948 | for_each_set_bit(rid, (unsigned long *) &mask, sizeof(mask) * 8) { | |
949 | u64 val = regs[i++]; | |
950 | ||
951 | printf(".... %-5s 0x%" PRIx64 "\n", | |
952 | perf_reg_name(rid), val); | |
953 | } | |
954 | } | |
955 | ||
6a21c0b5 SE |
956 | static const char *regs_abi[] = { |
957 | [PERF_SAMPLE_REGS_ABI_NONE] = "none", | |
958 | [PERF_SAMPLE_REGS_ABI_32] = "32-bit", | |
959 | [PERF_SAMPLE_REGS_ABI_64] = "64-bit", | |
960 | }; | |
961 | ||
962 | static inline const char *regs_dump_abi(struct regs_dump *d) | |
963 | { | |
964 | if (d->abi > PERF_SAMPLE_REGS_ABI_64) | |
965 | return "unknown"; | |
966 | ||
967 | return regs_abi[d->abi]; | |
968 | } | |
969 | ||
970 | static void regs__printf(const char *type, struct regs_dump *regs) | |
971 | { | |
972 | u64 mask = regs->mask; | |
973 | ||
974 | printf("... %s regs: mask 0x%" PRIx64 " ABI %s\n", | |
975 | type, | |
976 | mask, | |
977 | regs_dump_abi(regs)); | |
978 | ||
979 | regs_dump__printf(mask, regs->regs); | |
980 | } | |
981 | ||
352ea45a | 982 | static void regs_user__printf(struct perf_sample *sample) |
0f6a3015 JO |
983 | { |
984 | struct regs_dump *user_regs = &sample->user_regs; | |
985 | ||
6a21c0b5 SE |
986 | if (user_regs->regs) |
987 | regs__printf("user", user_regs); | |
988 | } | |
989 | ||
990 | static void regs_intr__printf(struct perf_sample *sample) | |
991 | { | |
992 | struct regs_dump *intr_regs = &sample->intr_regs; | |
993 | ||
994 | if (intr_regs->regs) | |
995 | regs__printf("intr", intr_regs); | |
0f6a3015 JO |
996 | } |
997 | ||
998 | static void stack_user__printf(struct stack_dump *dump) | |
999 | { | |
1000 | printf("... ustack: size %" PRIu64 ", offset 0x%x\n", | |
1001 | dump->size, dump->offset); | |
1002 | } | |
1003 | ||
9fa8727a | 1004 | static void perf_evlist__print_tstamp(struct perf_evlist *evlist, |
8115d60c | 1005 | union perf_event *event, |
8d50e5b4 | 1006 | struct perf_sample *sample) |
9c90a61c | 1007 | { |
9fa8727a | 1008 | u64 sample_type = __perf_evlist__combined_sample_type(evlist); |
7f3be652 | 1009 | |
9c90a61c | 1010 | if (event->header.type != PERF_RECORD_SAMPLE && |
9fa8727a | 1011 | !perf_evlist__sample_id_all(evlist)) { |
9c90a61c ACM |
1012 | fputs("-1 -1 ", stdout); |
1013 | return; | |
1014 | } | |
1015 | ||
7f3be652 | 1016 | if ((sample_type & PERF_SAMPLE_CPU)) |
9c90a61c ACM |
1017 | printf("%u ", sample->cpu); |
1018 | ||
7f3be652 | 1019 | if (sample_type & PERF_SAMPLE_TIME) |
9486aa38 | 1020 | printf("%" PRIu64 " ", sample->time); |
9c90a61c ACM |
1021 | } |
1022 | ||
9ede473c JO |
1023 | static void sample_read__printf(struct perf_sample *sample, u64 read_format) |
1024 | { | |
1025 | printf("... sample_read:\n"); | |
1026 | ||
1027 | if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) | |
1028 | printf("...... time enabled %016" PRIx64 "\n", | |
1029 | sample->read.time_enabled); | |
1030 | ||
1031 | if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) | |
1032 | printf("...... time running %016" PRIx64 "\n", | |
1033 | sample->read.time_running); | |
1034 | ||
1035 | if (read_format & PERF_FORMAT_GROUP) { | |
1036 | u64 i; | |
1037 | ||
1038 | printf(".... group nr %" PRIu64 "\n", sample->read.group.nr); | |
1039 | ||
1040 | for (i = 0; i < sample->read.group.nr; i++) { | |
1041 | struct sample_read_value *value; | |
1042 | ||
1043 | value = &sample->read.group.values[i]; | |
1044 | printf("..... id %016" PRIx64 | |
1045 | ", value %016" PRIx64 "\n", | |
1046 | value->id, value->value); | |
1047 | } | |
1048 | } else | |
1049 | printf("..... id %016" PRIx64 ", value %016" PRIx64 "\n", | |
1050 | sample->read.one.id, sample->read.one.value); | |
1051 | } | |
1052 | ||
9fa8727a | 1053 | static void dump_event(struct perf_evlist *evlist, union perf_event *event, |
8d50e5b4 | 1054 | u64 file_offset, struct perf_sample *sample) |
9aefcab0 TG |
1055 | { |
1056 | if (!dump_trace) | |
1057 | return; | |
1058 | ||
9486aa38 ACM |
1059 | printf("\n%#" PRIx64 " [%#x]: event: %d\n", |
1060 | file_offset, event->header.size, event->header.type); | |
9aefcab0 TG |
1061 | |
1062 | trace_event(event); | |
1063 | ||
1064 | if (sample) | |
9fa8727a | 1065 | perf_evlist__print_tstamp(evlist, event, sample); |
9aefcab0 | 1066 | |
9486aa38 | 1067 | printf("%#" PRIx64 " [%#x]: PERF_RECORD_%s", file_offset, |
8115d60c | 1068 | event->header.size, perf_event__name(event->header.type)); |
9aefcab0 TG |
1069 | } |
1070 | ||
0f6a3015 | 1071 | static void dump_sample(struct perf_evsel *evsel, union perf_event *event, |
8d50e5b4 | 1072 | struct perf_sample *sample) |
9aefcab0 | 1073 | { |
7f3be652 ACM |
1074 | u64 sample_type; |
1075 | ||
ddbc24b7 ACM |
1076 | if (!dump_trace) |
1077 | return; | |
1078 | ||
0ea590ae | 1079 | printf("(IP, 0x%x): %d/%d: %#" PRIx64 " period: %" PRIu64 " addr: %#" PRIx64 "\n", |
9486aa38 | 1080 | event->header.misc, sample->pid, sample->tid, sample->ip, |
7cec0922 | 1081 | sample->period, sample->addr); |
9aefcab0 | 1082 | |
0f6a3015 | 1083 | sample_type = evsel->attr.sample_type; |
7f3be652 ACM |
1084 | |
1085 | if (sample_type & PERF_SAMPLE_CALLCHAIN) | |
384b6055 | 1086 | callchain__printf(evsel, sample); |
b5387528 | 1087 | |
acf2abbd | 1088 | if ((sample_type & PERF_SAMPLE_BRANCH_STACK) && !perf_evsel__has_branch_callstack(evsel)) |
b5387528 | 1089 | branch_stack__printf(sample); |
0f6a3015 JO |
1090 | |
1091 | if (sample_type & PERF_SAMPLE_REGS_USER) | |
352ea45a | 1092 | regs_user__printf(sample); |
0f6a3015 | 1093 | |
6a21c0b5 SE |
1094 | if (sample_type & PERF_SAMPLE_REGS_INTR) |
1095 | regs_intr__printf(sample); | |
1096 | ||
0f6a3015 JO |
1097 | if (sample_type & PERF_SAMPLE_STACK_USER) |
1098 | stack_user__printf(&sample->user_stack); | |
05484298 AK |
1099 | |
1100 | if (sample_type & PERF_SAMPLE_WEIGHT) | |
1101 | printf("... weight: %" PRIu64 "\n", sample->weight); | |
98a3b32c SE |
1102 | |
1103 | if (sample_type & PERF_SAMPLE_DATA_SRC) | |
1104 | printf(" . data_src: 0x%"PRIx64"\n", sample->data_src); | |
9ede473c | 1105 | |
475eeab9 AK |
1106 | if (sample_type & PERF_SAMPLE_TRANSACTION) |
1107 | printf("... transaction: %" PRIx64 "\n", sample->transaction); | |
1108 | ||
9ede473c JO |
1109 | if (sample_type & PERF_SAMPLE_READ) |
1110 | sample_read__printf(sample, evsel->attr.read_format); | |
9aefcab0 TG |
1111 | } |
1112 | ||
54245fdc | 1113 | static struct machine *machines__find_for_cpumode(struct machines *machines, |
ef89325f AH |
1114 | union perf_event *event, |
1115 | struct perf_sample *sample) | |
743eb868 | 1116 | { |
ad85ace0 | 1117 | struct machine *machine; |
743eb868 | 1118 | |
7c0f4a41 | 1119 | if (perf_guest && |
473398a2 ACM |
1120 | ((sample->cpumode == PERF_RECORD_MISC_GUEST_KERNEL) || |
1121 | (sample->cpumode == PERF_RECORD_MISC_GUEST_USER))) { | |
7fb0a5ee ND |
1122 | u32 pid; |
1123 | ||
5c5e854b SE |
1124 | if (event->header.type == PERF_RECORD_MMAP |
1125 | || event->header.type == PERF_RECORD_MMAP2) | |
7fb0a5ee ND |
1126 | pid = event->mmap.pid; |
1127 | else | |
ef89325f | 1128 | pid = sample->pid; |
7fb0a5ee | 1129 | |
54245fdc | 1130 | machine = machines__find(machines, pid); |
ad85ace0 | 1131 | if (!machine) |
3caeaa56 | 1132 | machine = machines__findnew(machines, DEFAULT_GUEST_KERNEL_ID); |
ad85ace0 | 1133 | return machine; |
7fb0a5ee | 1134 | } |
743eb868 | 1135 | |
54245fdc | 1136 | return &machines->host; |
743eb868 ACM |
1137 | } |
1138 | ||
313e53b0 | 1139 | static int deliver_sample_value(struct perf_evlist *evlist, |
e4caec0d JO |
1140 | struct perf_tool *tool, |
1141 | union perf_event *event, | |
1142 | struct perf_sample *sample, | |
1143 | struct sample_read_value *v, | |
1144 | struct machine *machine) | |
1145 | { | |
313e53b0 | 1146 | struct perf_sample_id *sid = perf_evlist__id2sid(evlist, v->id); |
e4caec0d | 1147 | |
e4caec0d JO |
1148 | if (sid) { |
1149 | sample->id = v->id; | |
1150 | sample->period = v->value - sid->period; | |
1151 | sid->period = v->value; | |
1152 | } | |
1153 | ||
1154 | if (!sid || sid->evsel == NULL) { | |
313e53b0 | 1155 | ++evlist->stats.nr_unknown_id; |
e4caec0d JO |
1156 | return 0; |
1157 | } | |
1158 | ||
1159 | return tool->sample(tool, event, sample, sid->evsel, machine); | |
1160 | } | |
1161 | ||
313e53b0 | 1162 | static int deliver_sample_group(struct perf_evlist *evlist, |
e4caec0d JO |
1163 | struct perf_tool *tool, |
1164 | union perf_event *event, | |
1165 | struct perf_sample *sample, | |
1166 | struct machine *machine) | |
1167 | { | |
1168 | int ret = -EINVAL; | |
1169 | u64 i; | |
1170 | ||
1171 | for (i = 0; i < sample->read.group.nr; i++) { | |
313e53b0 | 1172 | ret = deliver_sample_value(evlist, tool, event, sample, |
e4caec0d JO |
1173 | &sample->read.group.values[i], |
1174 | machine); | |
1175 | if (ret) | |
1176 | break; | |
1177 | } | |
1178 | ||
1179 | return ret; | |
1180 | } | |
1181 | ||
1182 | static int | |
313e53b0 | 1183 | perf_evlist__deliver_sample(struct perf_evlist *evlist, |
e4caec0d JO |
1184 | struct perf_tool *tool, |
1185 | union perf_event *event, | |
1186 | struct perf_sample *sample, | |
1187 | struct perf_evsel *evsel, | |
1188 | struct machine *machine) | |
1189 | { | |
1190 | /* We know evsel != NULL. */ | |
1191 | u64 sample_type = evsel->attr.sample_type; | |
1192 | u64 read_format = evsel->attr.read_format; | |
1193 | ||
1194 | /* Standard sample delievery. */ | |
1195 | if (!(sample_type & PERF_SAMPLE_READ)) | |
1196 | return tool->sample(tool, event, sample, evsel, machine); | |
1197 | ||
1198 | /* For PERF_SAMPLE_READ we have either single or group mode. */ | |
1199 | if (read_format & PERF_FORMAT_GROUP) | |
313e53b0 | 1200 | return deliver_sample_group(evlist, tool, event, sample, |
e4caec0d JO |
1201 | machine); |
1202 | else | |
313e53b0 | 1203 | return deliver_sample_value(evlist, tool, event, sample, |
e4caec0d JO |
1204 | &sample->read.one, machine); |
1205 | } | |
1206 | ||
d10eb1eb ACM |
1207 | static int machines__deliver_event(struct machines *machines, |
1208 | struct perf_evlist *evlist, | |
1209 | union perf_event *event, | |
1210 | struct perf_sample *sample, | |
1211 | struct perf_tool *tool, u64 file_offset) | |
cbf41645 | 1212 | { |
9e69c210 | 1213 | struct perf_evsel *evsel; |
743eb868 | 1214 | struct machine *machine; |
9e69c210 | 1215 | |
9fa8727a | 1216 | dump_event(evlist, event, file_offset, sample); |
532e7269 | 1217 | |
313e53b0 | 1218 | evsel = perf_evlist__id2evsel(evlist, sample->id); |
7b27509f | 1219 | |
fa713a4e | 1220 | machine = machines__find_for_cpumode(machines, event, sample); |
743eb868 | 1221 | |
cbf41645 TG |
1222 | switch (event->header.type) { |
1223 | case PERF_RECORD_SAMPLE: | |
9e69c210 | 1224 | if (evsel == NULL) { |
313e53b0 | 1225 | ++evlist->stats.nr_unknown_id; |
6782206b | 1226 | return 0; |
9e69c210 | 1227 | } |
1b29ac59 | 1228 | dump_sample(evsel, event, sample); |
0c095715 | 1229 | if (machine == NULL) { |
313e53b0 | 1230 | ++evlist->stats.nr_unprocessable_samples; |
6782206b | 1231 | return 0; |
0c095715 | 1232 | } |
313e53b0 | 1233 | return perf_evlist__deliver_sample(evlist, tool, event, sample, evsel, machine); |
cbf41645 | 1234 | case PERF_RECORD_MMAP: |
45694aa7 | 1235 | return tool->mmap(tool, event, sample, machine); |
5c5e854b | 1236 | case PERF_RECORD_MMAP2: |
930e6fcd KL |
1237 | if (event->header.misc & PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT) |
1238 | ++evlist->stats.nr_proc_map_timeout; | |
5c5e854b | 1239 | return tool->mmap2(tool, event, sample, machine); |
cbf41645 | 1240 | case PERF_RECORD_COMM: |
45694aa7 | 1241 | return tool->comm(tool, event, sample, machine); |
cbf41645 | 1242 | case PERF_RECORD_FORK: |
45694aa7 | 1243 | return tool->fork(tool, event, sample, machine); |
cbf41645 | 1244 | case PERF_RECORD_EXIT: |
45694aa7 | 1245 | return tool->exit(tool, event, sample, machine); |
cbf41645 | 1246 | case PERF_RECORD_LOST: |
45694aa7 | 1247 | if (tool->lost == perf_event__process_lost) |
313e53b0 | 1248 | evlist->stats.total_lost += event->lost.lost; |
45694aa7 | 1249 | return tool->lost(tool, event, sample, machine); |
c4937a91 KL |
1250 | case PERF_RECORD_LOST_SAMPLES: |
1251 | if (tool->lost_samples == perf_event__process_lost_samples) | |
1252 | evlist->stats.total_lost_samples += event->lost_samples.lost; | |
1253 | return tool->lost_samples(tool, event, sample, machine); | |
cbf41645 | 1254 | case PERF_RECORD_READ: |
45694aa7 | 1255 | return tool->read(tool, event, sample, evsel, machine); |
cbf41645 | 1256 | case PERF_RECORD_THROTTLE: |
45694aa7 | 1257 | return tool->throttle(tool, event, sample, machine); |
cbf41645 | 1258 | case PERF_RECORD_UNTHROTTLE: |
45694aa7 | 1259 | return tool->unthrottle(tool, event, sample, machine); |
4a96f7a0 | 1260 | case PERF_RECORD_AUX: |
a38f48e3 AH |
1261 | if (tool->aux == perf_event__process_aux && |
1262 | (event->aux.flags & PERF_AUX_FLAG_TRUNCATED)) | |
1263 | evlist->stats.total_aux_lost += 1; | |
4a96f7a0 | 1264 | return tool->aux(tool, event, sample, machine); |
0ad21f68 AH |
1265 | case PERF_RECORD_ITRACE_START: |
1266 | return tool->itrace_start(tool, event, sample, machine); | |
0286039f AH |
1267 | case PERF_RECORD_SWITCH: |
1268 | case PERF_RECORD_SWITCH_CPU_WIDE: | |
1269 | return tool->context_switch(tool, event, sample, machine); | |
cbf41645 | 1270 | default: |
313e53b0 | 1271 | ++evlist->stats.nr_unknown_events; |
cbf41645 TG |
1272 | return -1; |
1273 | } | |
1274 | } | |
1275 | ||
c446870d AH |
1276 | static int perf_session__deliver_event(struct perf_session *session, |
1277 | union perf_event *event, | |
1278 | struct perf_sample *sample, | |
1279 | struct perf_tool *tool, | |
1280 | u64 file_offset) | |
1281 | { | |
1282 | int ret; | |
1283 | ||
1284 | ret = auxtrace__process_event(session, event, sample, tool); | |
1285 | if (ret < 0) | |
1286 | return ret; | |
1287 | if (ret > 0) | |
1288 | return 0; | |
1289 | ||
1290 | return machines__deliver_event(&session->machines, session->evlist, | |
1291 | event, sample, tool, file_offset); | |
1292 | } | |
1293 | ||
d5652d86 AH |
1294 | static s64 perf_session__process_user_event(struct perf_session *session, |
1295 | union perf_event *event, | |
d5652d86 | 1296 | u64 file_offset) |
06aae590 | 1297 | { |
d704ebda | 1298 | struct ordered_events *oe = &session->ordered_events; |
9870d780 | 1299 | struct perf_tool *tool = session->tool; |
cc9784bd | 1300 | int fd = perf_data_file__fd(session->file); |
10d0f086 ACM |
1301 | int err; |
1302 | ||
9fa8727a | 1303 | dump_event(session->evlist, event, file_offset, NULL); |
06aae590 | 1304 | |
cbf41645 | 1305 | /* These events are processed right away */ |
06aae590 | 1306 | switch (event->header.type) { |
2c46dbb5 | 1307 | case PERF_RECORD_HEADER_ATTR: |
47c3d109 | 1308 | err = tool->attr(tool, event, &session->evlist); |
cfe1c414 | 1309 | if (err == 0) { |
7b56cce2 | 1310 | perf_session__set_id_hdr_size(session); |
cfe1c414 AH |
1311 | perf_session__set_comm_exec(session); |
1312 | } | |
10d0f086 | 1313 | return err; |
ffe77725 JO |
1314 | case PERF_RECORD_EVENT_UPDATE: |
1315 | return tool->event_update(tool, event, &session->evlist); | |
f67697bd JO |
1316 | case PERF_RECORD_HEADER_EVENT_TYPE: |
1317 | /* | |
1318 | * Depreceated, but we need to handle it for sake | |
1319 | * of old data files create in pipe mode. | |
1320 | */ | |
1321 | return 0; | |
9215545e TZ |
1322 | case PERF_RECORD_HEADER_TRACING_DATA: |
1323 | /* setup for reading amidst mmap */ | |
cc9784bd | 1324 | lseek(fd, file_offset, SEEK_SET); |
47c3d109 | 1325 | return tool->tracing_data(tool, event, session); |
c7929e47 | 1326 | case PERF_RECORD_HEADER_BUILD_ID: |
45694aa7 | 1327 | return tool->build_id(tool, event, session); |
d6b17beb | 1328 | case PERF_RECORD_FINISHED_ROUND: |
d704ebda | 1329 | return tool->finished_round(tool, event, oe); |
3c659eed AH |
1330 | case PERF_RECORD_ID_INDEX: |
1331 | return tool->id_index(tool, event, session); | |
a16ac023 AH |
1332 | case PERF_RECORD_AUXTRACE_INFO: |
1333 | return tool->auxtrace_info(tool, event, session); | |
1334 | case PERF_RECORD_AUXTRACE: | |
1335 | /* setup for reading amidst mmap */ | |
1336 | lseek(fd, file_offset + event->header.size, SEEK_SET); | |
1337 | return tool->auxtrace(tool, event, session); | |
e9bf54d2 | 1338 | case PERF_RECORD_AUXTRACE_ERROR: |
85ed4729 | 1339 | perf_session__auxtrace_error_inc(session, event); |
e9bf54d2 | 1340 | return tool->auxtrace_error(tool, event, session); |
5f3339d2 JO |
1341 | case PERF_RECORD_THREAD_MAP: |
1342 | return tool->thread_map(tool, event, session); | |
6640b6c2 JO |
1343 | case PERF_RECORD_CPU_MAP: |
1344 | return tool->cpu_map(tool, event, session); | |
374fb9e3 JO |
1345 | case PERF_RECORD_STAT_CONFIG: |
1346 | return tool->stat_config(tool, event, session); | |
d80518c9 JO |
1347 | case PERF_RECORD_STAT: |
1348 | return tool->stat(tool, event, session); | |
2d8f0f18 JO |
1349 | case PERF_RECORD_STAT_ROUND: |
1350 | return tool->stat_round(tool, event, session); | |
46bc29b9 AH |
1351 | case PERF_RECORD_TIME_CONV: |
1352 | session->time_conv = event->time_conv; | |
1353 | return tool->time_conv(tool, event, session); | |
06aae590 | 1354 | default: |
ba74f064 | 1355 | return -EINVAL; |
06aae590 | 1356 | } |
ba74f064 TG |
1357 | } |
1358 | ||
a293829d AH |
1359 | int perf_session__deliver_synth_event(struct perf_session *session, |
1360 | union perf_event *event, | |
b7b61cbe | 1361 | struct perf_sample *sample) |
a293829d | 1362 | { |
fa713a4e | 1363 | struct perf_evlist *evlist = session->evlist; |
9870d780 | 1364 | struct perf_tool *tool = session->tool; |
fa713a4e ACM |
1365 | |
1366 | events_stats__inc(&evlist->stats, event->header.type); | |
a293829d AH |
1367 | |
1368 | if (event->header.type >= PERF_RECORD_USER_TYPE_START) | |
b7b61cbe | 1369 | return perf_session__process_user_event(session, event, 0); |
a293829d | 1370 | |
fa713a4e | 1371 | return machines__deliver_event(&session->machines, evlist, event, sample, tool, 0); |
a293829d AH |
1372 | } |
1373 | ||
268fb20f JO |
1374 | static void event_swap(union perf_event *event, bool sample_id_all) |
1375 | { | |
1376 | perf_event__swap_op swap; | |
1377 | ||
1378 | swap = perf_event__swap_ops[event->header.type]; | |
1379 | if (swap) | |
1380 | swap(event, sample_id_all); | |
1381 | } | |
1382 | ||
5a52f33a AH |
1383 | int perf_session__peek_event(struct perf_session *session, off_t file_offset, |
1384 | void *buf, size_t buf_sz, | |
1385 | union perf_event **event_ptr, | |
1386 | struct perf_sample *sample) | |
1387 | { | |
1388 | union perf_event *event; | |
1389 | size_t hdr_sz, rest; | |
1390 | int fd; | |
1391 | ||
1392 | if (session->one_mmap && !session->header.needs_swap) { | |
1393 | event = file_offset - session->one_mmap_offset + | |
1394 | session->one_mmap_addr; | |
1395 | goto out_parse_sample; | |
1396 | } | |
1397 | ||
1398 | if (perf_data_file__is_pipe(session->file)) | |
1399 | return -1; | |
1400 | ||
1401 | fd = perf_data_file__fd(session->file); | |
1402 | hdr_sz = sizeof(struct perf_event_header); | |
1403 | ||
1404 | if (buf_sz < hdr_sz) | |
1405 | return -1; | |
1406 | ||
1407 | if (lseek(fd, file_offset, SEEK_SET) == (off_t)-1 || | |
554e92ed | 1408 | readn(fd, buf, hdr_sz) != (ssize_t)hdr_sz) |
5a52f33a AH |
1409 | return -1; |
1410 | ||
1411 | event = (union perf_event *)buf; | |
1412 | ||
1413 | if (session->header.needs_swap) | |
1414 | perf_event_header__bswap(&event->header); | |
1415 | ||
554e92ed | 1416 | if (event->header.size < hdr_sz || event->header.size > buf_sz) |
5a52f33a AH |
1417 | return -1; |
1418 | ||
1419 | rest = event->header.size - hdr_sz; | |
1420 | ||
554e92ed | 1421 | if (readn(fd, buf, rest) != (ssize_t)rest) |
5a52f33a AH |
1422 | return -1; |
1423 | ||
1424 | if (session->header.needs_swap) | |
1425 | event_swap(event, perf_evlist__sample_id_all(session->evlist)); | |
1426 | ||
1427 | out_parse_sample: | |
1428 | ||
1429 | if (sample && event->header.type < PERF_RECORD_USER_TYPE_START && | |
1430 | perf_evlist__parse_sample(session->evlist, event, sample)) | |
1431 | return -1; | |
1432 | ||
1433 | *event_ptr = event; | |
1434 | ||
1435 | return 0; | |
1436 | } | |
1437 | ||
d5652d86 | 1438 | static s64 perf_session__process_event(struct perf_session *session, |
b7b61cbe | 1439 | union perf_event *event, u64 file_offset) |
ba74f064 | 1440 | { |
313e53b0 | 1441 | struct perf_evlist *evlist = session->evlist; |
9870d780 | 1442 | struct perf_tool *tool = session->tool; |
8d50e5b4 | 1443 | struct perf_sample sample; |
ba74f064 TG |
1444 | int ret; |
1445 | ||
268fb20f | 1446 | if (session->header.needs_swap) |
313e53b0 | 1447 | event_swap(event, perf_evlist__sample_id_all(evlist)); |
ba74f064 TG |
1448 | |
1449 | if (event->header.type >= PERF_RECORD_HEADER_MAX) | |
1450 | return -EINVAL; | |
1451 | ||
313e53b0 | 1452 | events_stats__inc(&evlist->stats, event->header.type); |
ba74f064 TG |
1453 | |
1454 | if (event->header.type >= PERF_RECORD_USER_TYPE_START) | |
b7b61cbe | 1455 | return perf_session__process_user_event(session, event, file_offset); |
cbf41645 | 1456 | |
3dfc2c0a TG |
1457 | /* |
1458 | * For all kernel events we get the sample data | |
1459 | */ | |
313e53b0 | 1460 | ret = perf_evlist__parse_sample(evlist, event, &sample); |
5538beca FW |
1461 | if (ret) |
1462 | return ret; | |
3dfc2c0a | 1463 | |
0a8cb85c | 1464 | if (tool->ordered_events) { |
b7b61cbe | 1465 | ret = perf_session__queue_event(session, event, &sample, file_offset); |
cbf41645 TG |
1466 | if (ret != -ETIME) |
1467 | return ret; | |
1468 | } | |
1469 | ||
c446870d AH |
1470 | return perf_session__deliver_event(session, event, &sample, tool, |
1471 | file_offset); | |
06aae590 ACM |
1472 | } |
1473 | ||
316c7136 | 1474 | void perf_event_header__bswap(struct perf_event_header *hdr) |
ba21594c | 1475 | { |
316c7136 ACM |
1476 | hdr->type = bswap_32(hdr->type); |
1477 | hdr->misc = bswap_16(hdr->misc); | |
1478 | hdr->size = bswap_16(hdr->size); | |
ba21594c ACM |
1479 | } |
1480 | ||
b424eba2 ACM |
1481 | struct thread *perf_session__findnew(struct perf_session *session, pid_t pid) |
1482 | { | |
1fcb8768 | 1483 | return machine__findnew_thread(&session->machines.host, -1, pid); |
b424eba2 ACM |
1484 | } |
1485 | ||
9d8b172f | 1486 | int perf_session__register_idle_thread(struct perf_session *session) |
06aae590 | 1487 | { |
1fcb8768 | 1488 | struct thread *thread; |
9d8b172f | 1489 | int err = 0; |
06aae590 | 1490 | |
1fcb8768 | 1491 | thread = machine__findnew_thread(&session->machines.host, 0, 0); |
162f0bef | 1492 | if (thread == NULL || thread__set_comm(thread, "swapper", 0)) { |
06aae590 | 1493 | pr_err("problem inserting idle task.\n"); |
9d8b172f | 1494 | err = -1; |
06aae590 ACM |
1495 | } |
1496 | ||
9d8b172f MH |
1497 | /* machine__findnew_thread() got the thread, so put it */ |
1498 | thread__put(thread); | |
1499 | return err; | |
06aae590 ACM |
1500 | } |
1501 | ||
f06149c0 WN |
1502 | static void |
1503 | perf_session__warn_order(const struct perf_session *session) | |
1504 | { | |
1505 | const struct ordered_events *oe = &session->ordered_events; | |
1506 | struct perf_evsel *evsel; | |
1507 | bool should_warn = true; | |
1508 | ||
1509 | evlist__for_each_entry(session->evlist, evsel) { | |
1510 | if (evsel->attr.write_backward) | |
1511 | should_warn = false; | |
1512 | } | |
1513 | ||
1514 | if (!should_warn) | |
1515 | return; | |
1516 | if (oe->nr_unordered_events != 0) | |
1517 | ui__warning("%u out of order events recorded.\n", oe->nr_unordered_events); | |
1518 | } | |
1519 | ||
9870d780 | 1520 | static void perf_session__warn_about_errors(const struct perf_session *session) |
11095994 | 1521 | { |
9870d780 | 1522 | const struct events_stats *stats = &session->evlist->stats; |
9870d780 ACM |
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 | |
f06149c0 | 1579 | perf_session__warn_order(session); |
85ed4729 AH |
1580 | |
1581 | events_stats__auxtrace_error_warn(stats); | |
930e6fcd KL |
1582 | |
1583 | if (stats->nr_proc_map_timeout != 0) { | |
1584 | ui__warning("%d map information files for pre-existing threads were\n" | |
1585 | "not processed, if there are samples for addresses they\n" | |
1586 | "will not be resolved, you may find out which are these\n" | |
1587 | "threads by running with -v and redirecting the output\n" | |
9d9cad76 KL |
1588 | "to a file.\n" |
1589 | "The time limit to process proc map is too short?\n" | |
1590 | "Increase it by --proc-map-timeout\n", | |
930e6fcd KL |
1591 | stats->nr_proc_map_timeout); |
1592 | } | |
11095994 ACM |
1593 | } |
1594 | ||
a5499b37 AH |
1595 | static int perf_session__flush_thread_stack(struct thread *thread, |
1596 | void *p __maybe_unused) | |
1597 | { | |
1598 | return thread_stack__flush(thread); | |
1599 | } | |
1600 | ||
1601 | static int perf_session__flush_thread_stacks(struct perf_session *session) | |
1602 | { | |
1603 | return machines__for_each_thread(&session->machines, | |
1604 | perf_session__flush_thread_stack, | |
1605 | NULL); | |
1606 | } | |
1607 | ||
8dc58101 TZ |
1608 | volatile int session_done; |
1609 | ||
b7b61cbe | 1610 | static int __perf_session__process_pipe_events(struct perf_session *session) |
8dc58101 | 1611 | { |
fa713a4e | 1612 | struct ordered_events *oe = &session->ordered_events; |
9870d780 | 1613 | struct perf_tool *tool = session->tool; |
316c7136 | 1614 | int fd = perf_data_file__fd(session->file); |
444d2866 SE |
1615 | union perf_event *event; |
1616 | uint32_t size, cur_size = 0; | |
1617 | void *buf = NULL; | |
d5652d86 | 1618 | s64 skip = 0; |
8dc58101 | 1619 | u64 head; |
727ebd54 | 1620 | ssize_t err; |
8dc58101 TZ |
1621 | void *p; |
1622 | ||
45694aa7 | 1623 | perf_tool__fill_defaults(tool); |
8dc58101 TZ |
1624 | |
1625 | head = 0; | |
444d2866 SE |
1626 | cur_size = sizeof(union perf_event); |
1627 | ||
1628 | buf = malloc(cur_size); | |
1629 | if (!buf) | |
1630 | return -errno; | |
8dc58101 | 1631 | more: |
444d2866 | 1632 | event = buf; |
cc9784bd | 1633 | err = readn(fd, event, sizeof(struct perf_event_header)); |
8dc58101 TZ |
1634 | if (err <= 0) { |
1635 | if (err == 0) | |
1636 | goto done; | |
1637 | ||
1638 | pr_err("failed to read event header\n"); | |
1639 | goto out_err; | |
1640 | } | |
1641 | ||
316c7136 | 1642 | if (session->header.needs_swap) |
444d2866 | 1643 | perf_event_header__bswap(&event->header); |
8dc58101 | 1644 | |
444d2866 | 1645 | size = event->header.size; |
27389d78 AH |
1646 | if (size < sizeof(struct perf_event_header)) { |
1647 | pr_err("bad event header size\n"); | |
1648 | goto out_err; | |
1649 | } | |
8dc58101 | 1650 | |
444d2866 SE |
1651 | if (size > cur_size) { |
1652 | void *new = realloc(buf, size); | |
1653 | if (!new) { | |
1654 | pr_err("failed to allocate memory to read event\n"); | |
1655 | goto out_err; | |
1656 | } | |
1657 | buf = new; | |
1658 | cur_size = size; | |
1659 | event = buf; | |
1660 | } | |
1661 | p = event; | |
8dc58101 TZ |
1662 | p += sizeof(struct perf_event_header); |
1663 | ||
794e43b5 | 1664 | if (size - sizeof(struct perf_event_header)) { |
cc9784bd | 1665 | err = readn(fd, p, size - sizeof(struct perf_event_header)); |
794e43b5 TZ |
1666 | if (err <= 0) { |
1667 | if (err == 0) { | |
1668 | pr_err("unexpected end of event stream\n"); | |
1669 | goto done; | |
1670 | } | |
8dc58101 | 1671 | |
794e43b5 TZ |
1672 | pr_err("failed to read event data\n"); |
1673 | goto out_err; | |
1674 | } | |
8dc58101 TZ |
1675 | } |
1676 | ||
b7b61cbe | 1677 | if ((skip = perf_session__process_event(session, event, head)) < 0) { |
9389a460 | 1678 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", |
444d2866 | 1679 | head, event->header.size, event->header.type); |
9389a460 JO |
1680 | err = -EINVAL; |
1681 | goto out_err; | |
8dc58101 TZ |
1682 | } |
1683 | ||
1684 | head += size; | |
1685 | ||
8dc58101 TZ |
1686 | if (skip > 0) |
1687 | head += skip; | |
1688 | ||
1689 | if (!session_done()) | |
1690 | goto more; | |
1691 | done: | |
8c16b649 | 1692 | /* do the final flush for ordered samples */ |
b7b61cbe | 1693 | err = ordered_events__flush(oe, OE_FLUSH__FINAL); |
c446870d AH |
1694 | if (err) |
1695 | goto out_err; | |
1696 | err = auxtrace__flush_events(session, tool); | |
a5499b37 AH |
1697 | if (err) |
1698 | goto out_err; | |
1699 | err = perf_session__flush_thread_stacks(session); | |
8dc58101 | 1700 | out_err: |
444d2866 | 1701 | free(buf); |
9870d780 | 1702 | perf_session__warn_about_errors(session); |
adc56ed1 | 1703 | ordered_events__free(&session->ordered_events); |
c446870d | 1704 | auxtrace__free_events(session); |
8dc58101 TZ |
1705 | return err; |
1706 | } | |
1707 | ||
998bedc8 FW |
1708 | static union perf_event * |
1709 | fetch_mmaped_event(struct perf_session *session, | |
1710 | u64 head, size_t mmap_size, char *buf) | |
1711 | { | |
1712 | union perf_event *event; | |
1713 | ||
1714 | /* | |
1715 | * Ensure we have enough space remaining to read | |
1716 | * the size of the event in the headers. | |
1717 | */ | |
1718 | if (head + sizeof(event->header) > mmap_size) | |
1719 | return NULL; | |
1720 | ||
1721 | event = (union perf_event *)(buf + head); | |
1722 | ||
1723 | if (session->header.needs_swap) | |
1724 | perf_event_header__bswap(&event->header); | |
1725 | ||
27389d78 AH |
1726 | if (head + event->header.size > mmap_size) { |
1727 | /* We're not fetching the event so swap back again */ | |
1728 | if (session->header.needs_swap) | |
1729 | perf_event_header__bswap(&event->header); | |
998bedc8 | 1730 | return NULL; |
27389d78 | 1731 | } |
998bedc8 FW |
1732 | |
1733 | return event; | |
1734 | } | |
1735 | ||
35d48ddf DM |
1736 | /* |
1737 | * On 64bit we can mmap the data file in one go. No need for tiny mmap | |
1738 | * slices. On 32bit we use 32MB. | |
1739 | */ | |
1740 | #if BITS_PER_LONG == 64 | |
1741 | #define MMAP_SIZE ULLONG_MAX | |
1742 | #define NUM_MMAPS 1 | |
1743 | #else | |
1744 | #define MMAP_SIZE (32 * 1024 * 1024ULL) | |
1745 | #define NUM_MMAPS 128 | |
1746 | #endif | |
1747 | ||
4ac30cf7 NK |
1748 | static int __perf_session__process_events(struct perf_session *session, |
1749 | u64 data_offset, u64 data_size, | |
b7b61cbe | 1750 | u64 file_size) |
06aae590 | 1751 | { |
fa713a4e | 1752 | struct ordered_events *oe = &session->ordered_events; |
9870d780 | 1753 | struct perf_tool *tool = session->tool; |
cc9784bd | 1754 | int fd = perf_data_file__fd(session->file); |
d5652d86 | 1755 | u64 head, page_offset, file_offset, file_pos, size; |
fe174207 | 1756 | int err, mmap_prot, mmap_flags, map_idx = 0; |
0c1fe6b2 | 1757 | size_t mmap_size; |
35d48ddf | 1758 | char *buf, *mmaps[NUM_MMAPS]; |
8115d60c | 1759 | union perf_event *event; |
4d3001fd | 1760 | struct ui_progress prog; |
d5652d86 | 1761 | s64 skip; |
0331ee0c | 1762 | |
45694aa7 | 1763 | perf_tool__fill_defaults(tool); |
06aae590 | 1764 | |
0331ee0c TG |
1765 | page_offset = page_size * (data_offset / page_size); |
1766 | file_offset = page_offset; | |
1767 | head = data_offset - page_offset; | |
06aae590 | 1768 | |
381c02f6 MR |
1769 | if (data_size == 0) |
1770 | goto out; | |
1771 | ||
1772 | if (data_offset + data_size < file_size) | |
d6513281 TG |
1773 | file_size = data_offset + data_size; |
1774 | ||
4d3001fd | 1775 | ui_progress__init(&prog, file_size, "Processing events..."); |
55b44629 | 1776 | |
35d48ddf | 1777 | mmap_size = MMAP_SIZE; |
919d86d3 | 1778 | if (mmap_size > file_size) { |
55b44629 | 1779 | mmap_size = file_size; |
919d86d3 AH |
1780 | session->one_mmap = true; |
1781 | } | |
55b44629 | 1782 | |
fe174207 TG |
1783 | memset(mmaps, 0, sizeof(mmaps)); |
1784 | ||
ba21594c ACM |
1785 | mmap_prot = PROT_READ; |
1786 | mmap_flags = MAP_SHARED; | |
1787 | ||
0331ee0c | 1788 | if (session->header.needs_swap) { |
ba21594c ACM |
1789 | mmap_prot |= PROT_WRITE; |
1790 | mmap_flags = MAP_PRIVATE; | |
1791 | } | |
06aae590 | 1792 | remap: |
cc9784bd | 1793 | buf = mmap(NULL, mmap_size, mmap_prot, mmap_flags, fd, |
55b44629 | 1794 | file_offset); |
06aae590 ACM |
1795 | if (buf == MAP_FAILED) { |
1796 | pr_err("failed to mmap file\n"); | |
1797 | err = -errno; | |
1798 | goto out_err; | |
1799 | } | |
fe174207 TG |
1800 | mmaps[map_idx] = buf; |
1801 | map_idx = (map_idx + 1) & (ARRAY_SIZE(mmaps) - 1); | |
d6513281 | 1802 | file_pos = file_offset + head; |
919d86d3 AH |
1803 | if (session->one_mmap) { |
1804 | session->one_mmap_addr = buf; | |
1805 | session->one_mmap_offset = file_offset; | |
1806 | } | |
06aae590 ACM |
1807 | |
1808 | more: | |
998bedc8 FW |
1809 | event = fetch_mmaped_event(session, head, mmap_size, buf); |
1810 | if (!event) { | |
fe174207 TG |
1811 | if (mmaps[map_idx]) { |
1812 | munmap(mmaps[map_idx], mmap_size); | |
1813 | mmaps[map_idx] = NULL; | |
1814 | } | |
06aae590 | 1815 | |
0331ee0c TG |
1816 | page_offset = page_size * (head / page_size); |
1817 | file_offset += page_offset; | |
1818 | head -= page_offset; | |
06aae590 ACM |
1819 | goto remap; |
1820 | } | |
1821 | ||
1822 | size = event->header.size; | |
1823 | ||
27389d78 | 1824 | if (size < sizeof(struct perf_event_header) || |
b7b61cbe | 1825 | (skip = perf_session__process_event(session, event, file_pos)) < 0) { |
9389a460 JO |
1826 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", |
1827 | file_offset + head, event->header.size, | |
1828 | event->header.type); | |
1829 | err = -EINVAL; | |
1830 | goto out_err; | |
06aae590 ACM |
1831 | } |
1832 | ||
6f917c70 AH |
1833 | if (skip) |
1834 | size += skip; | |
1835 | ||
06aae590 | 1836 | head += size; |
d6513281 | 1837 | file_pos += size; |
06aae590 | 1838 | |
4d3001fd | 1839 | ui_progress__update(&prog, size); |
55b44629 | 1840 | |
33e940a2 | 1841 | if (session_done()) |
8c16b649 | 1842 | goto out; |
33e940a2 | 1843 | |
d6513281 | 1844 | if (file_pos < file_size) |
06aae590 | 1845 | goto more; |
d6513281 | 1846 | |
8c16b649 | 1847 | out: |
c61e52ee | 1848 | /* do the final flush for ordered samples */ |
b7b61cbe | 1849 | err = ordered_events__flush(oe, OE_FLUSH__FINAL); |
c446870d AH |
1850 | if (err) |
1851 | goto out_err; | |
1852 | err = auxtrace__flush_events(session, tool); | |
a5499b37 AH |
1853 | if (err) |
1854 | goto out_err; | |
1855 | err = perf_session__flush_thread_stacks(session); | |
06aae590 | 1856 | out_err: |
a5580f3e | 1857 | ui_progress__finish(); |
9870d780 | 1858 | perf_session__warn_about_errors(session); |
b26dc730 WN |
1859 | /* |
1860 | * We may switching perf.data output, make ordered_events | |
1861 | * reusable. | |
1862 | */ | |
1863 | ordered_events__reinit(&session->ordered_events); | |
c446870d | 1864 | auxtrace__free_events(session); |
919d86d3 | 1865 | session->one_mmap = false; |
06aae590 ACM |
1866 | return err; |
1867 | } | |
27295592 | 1868 | |
b7b61cbe | 1869 | int perf_session__process_events(struct perf_session *session) |
6122e4e4 | 1870 | { |
316c7136 | 1871 | u64 size = perf_data_file__size(session->file); |
6122e4e4 ACM |
1872 | int err; |
1873 | ||
9d8b172f | 1874 | if (perf_session__register_idle_thread(session) < 0) |
6122e4e4 ACM |
1875 | return -ENOMEM; |
1876 | ||
316c7136 ACM |
1877 | if (!perf_data_file__is_pipe(session->file)) |
1878 | err = __perf_session__process_events(session, | |
1879 | session->header.data_offset, | |
b7b61cbe | 1880 | session->header.data_size, size); |
8dc58101 | 1881 | else |
b7b61cbe | 1882 | err = __perf_session__process_pipe_events(session); |
88ca895d | 1883 | |
6122e4e4 ACM |
1884 | return err; |
1885 | } | |
1886 | ||
7f3be652 | 1887 | bool perf_session__has_traces(struct perf_session *session, const char *msg) |
27295592 | 1888 | { |
93ea01c2 DA |
1889 | struct perf_evsel *evsel; |
1890 | ||
e5cadb93 | 1891 | evlist__for_each_entry(session->evlist, evsel) { |
93ea01c2 DA |
1892 | if (evsel->attr.type == PERF_TYPE_TRACEPOINT) |
1893 | return true; | |
27295592 ACM |
1894 | } |
1895 | ||
93ea01c2 DA |
1896 | pr_err("No trace sample to read. Did you call 'perf %s'?\n", msg); |
1897 | return false; | |
27295592 | 1898 | } |
56b03f3c | 1899 | |
743eb868 ACM |
1900 | int maps__set_kallsyms_ref_reloc_sym(struct map **maps, |
1901 | const char *symbol_name, u64 addr) | |
56b03f3c ACM |
1902 | { |
1903 | char *bracket; | |
9de89fe7 | 1904 | enum map_type i; |
a1645ce1 ZY |
1905 | struct ref_reloc_sym *ref; |
1906 | ||
1907 | ref = zalloc(sizeof(struct ref_reloc_sym)); | |
1908 | if (ref == NULL) | |
1909 | return -ENOMEM; | |
56b03f3c | 1910 | |
a1645ce1 ZY |
1911 | ref->name = strdup(symbol_name); |
1912 | if (ref->name == NULL) { | |
1913 | free(ref); | |
56b03f3c | 1914 | return -ENOMEM; |
a1645ce1 | 1915 | } |
56b03f3c | 1916 | |
a1645ce1 | 1917 | bracket = strchr(ref->name, ']'); |
56b03f3c ACM |
1918 | if (bracket) |
1919 | *bracket = '\0'; | |
1920 | ||
a1645ce1 | 1921 | ref->addr = addr; |
9de89fe7 ACM |
1922 | |
1923 | for (i = 0; i < MAP__NR_TYPES; ++i) { | |
a1645ce1 | 1924 | struct kmap *kmap = map__kmap(maps[i]); |
ba92732e WN |
1925 | |
1926 | if (!kmap) | |
1927 | continue; | |
a1645ce1 | 1928 | kmap->ref_reloc_sym = ref; |
9de89fe7 ACM |
1929 | } |
1930 | ||
56b03f3c ACM |
1931 | return 0; |
1932 | } | |
1f626bc3 | 1933 | |
316c7136 | 1934 | size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp) |
1f626bc3 | 1935 | { |
316c7136 | 1936 | return machines__fprintf_dsos(&session->machines, fp); |
1f626bc3 | 1937 | } |
f869097e | 1938 | |
316c7136 | 1939 | size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, |
417c2ff6 | 1940 | bool (skip)(struct dso *dso, int parm), int parm) |
f869097e | 1941 | { |
316c7136 | 1942 | return machines__fprintf_dsos_buildid(&session->machines, fp, skip, parm); |
f869097e | 1943 | } |
e248de33 ACM |
1944 | |
1945 | size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp) | |
1946 | { | |
c446870d AH |
1947 | size_t ret; |
1948 | const char *msg = ""; | |
1949 | ||
1950 | if (perf_header__has_feat(&session->header, HEADER_AUXTRACE)) | |
1951 | msg = " (excludes AUX area (e.g. instruction trace) decoded / synthesized events)"; | |
1952 | ||
fe692ac8 | 1953 | ret = fprintf(fp, "\nAggregated stats:%s\n", msg); |
e248de33 | 1954 | |
75be989a | 1955 | ret += events_stats__fprintf(&session->evlist->stats, fp); |
e248de33 ACM |
1956 | return ret; |
1957 | } | |
c0230b2b | 1958 | |
b424eba2 ACM |
1959 | size_t perf_session__fprintf(struct perf_session *session, FILE *fp) |
1960 | { | |
1961 | /* | |
1962 | * FIXME: Here we have to actually print all the machines in this | |
1963 | * session, not just the host... | |
1964 | */ | |
876650e6 | 1965 | return machine__fprintf(&session->machines.host, fp); |
b424eba2 ACM |
1966 | } |
1967 | ||
9cbdb702 DA |
1968 | struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, |
1969 | unsigned int type) | |
1970 | { | |
1971 | struct perf_evsel *pos; | |
1972 | ||
e5cadb93 | 1973 | evlist__for_each_entry(session->evlist, pos) { |
9cbdb702 DA |
1974 | if (pos->attr.type == type) |
1975 | return pos; | |
1976 | } | |
1977 | return NULL; | |
1978 | } | |
1979 | ||
5d67be97 AB |
1980 | int perf_session__cpu_bitmap(struct perf_session *session, |
1981 | const char *cpu_list, unsigned long *cpu_bitmap) | |
1982 | { | |
8bac41cb | 1983 | int i, err = -1; |
5d67be97 AB |
1984 | struct cpu_map *map; |
1985 | ||
1986 | for (i = 0; i < PERF_TYPE_MAX; ++i) { | |
1987 | struct perf_evsel *evsel; | |
1988 | ||
1989 | evsel = perf_session__find_first_evtype(session, i); | |
1990 | if (!evsel) | |
1991 | continue; | |
1992 | ||
1993 | if (!(evsel->attr.sample_type & PERF_SAMPLE_CPU)) { | |
1994 | pr_err("File does not contain CPU events. " | |
1995 | "Remove -c option to proceed.\n"); | |
1996 | return -1; | |
1997 | } | |
1998 | } | |
1999 | ||
2000 | map = cpu_map__new(cpu_list); | |
47fbe53b DA |
2001 | if (map == NULL) { |
2002 | pr_err("Invalid cpu_list\n"); | |
2003 | return -1; | |
2004 | } | |
5d67be97 AB |
2005 | |
2006 | for (i = 0; i < map->nr; i++) { | |
2007 | int cpu = map->map[i]; | |
2008 | ||
2009 | if (cpu >= MAX_NR_CPUS) { | |
2010 | pr_err("Requested CPU %d too large. " | |
2011 | "Consider raising MAX_NR_CPUS\n", cpu); | |
8bac41cb | 2012 | goto out_delete_map; |
5d67be97 AB |
2013 | } |
2014 | ||
2015 | set_bit(cpu, cpu_bitmap); | |
2016 | } | |
2017 | ||
8bac41cb SF |
2018 | err = 0; |
2019 | ||
2020 | out_delete_map: | |
f30a79b0 | 2021 | cpu_map__put(map); |
8bac41cb | 2022 | return err; |
5d67be97 | 2023 | } |
fbe96f29 SE |
2024 | |
2025 | void perf_session__fprintf_info(struct perf_session *session, FILE *fp, | |
2026 | bool full) | |
2027 | { | |
2028 | struct stat st; | |
c5765ece | 2029 | int fd, ret; |
fbe96f29 SE |
2030 | |
2031 | if (session == NULL || fp == NULL) | |
2032 | return; | |
2033 | ||
c5765ece MI |
2034 | fd = perf_data_file__fd(session->file); |
2035 | ||
cc9784bd | 2036 | ret = fstat(fd, &st); |
fbe96f29 SE |
2037 | if (ret == -1) |
2038 | return; | |
2039 | ||
2040 | fprintf(fp, "# ========\n"); | |
2041 | fprintf(fp, "# captured on: %s", ctime(&st.st_ctime)); | |
2042 | perf_header__fprintf_info(session, fp, full); | |
2043 | fprintf(fp, "# ========\n#\n"); | |
2044 | } | |
da378962 ACM |
2045 | |
2046 | ||
2047 | int __perf_session__set_tracepoints_handlers(struct perf_session *session, | |
2048 | const struct perf_evsel_str_handler *assocs, | |
2049 | size_t nr_assocs) | |
2050 | { | |
da378962 | 2051 | struct perf_evsel *evsel; |
da378962 ACM |
2052 | size_t i; |
2053 | int err; | |
2054 | ||
2055 | for (i = 0; i < nr_assocs; i++) { | |
ccf53eac ACM |
2056 | /* |
2057 | * Adding a handler for an event not in the session, | |
2058 | * just ignore it. | |
2059 | */ | |
2060 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, assocs[i].name); | |
da378962 | 2061 | if (evsel == NULL) |
ccf53eac | 2062 | continue; |
da378962 ACM |
2063 | |
2064 | err = -EEXIST; | |
744a9719 | 2065 | if (evsel->handler != NULL) |
ccf53eac | 2066 | goto out; |
744a9719 | 2067 | evsel->handler = assocs[i].handler; |
da378962 ACM |
2068 | } |
2069 | ||
2070 | err = 0; | |
2071 | out: | |
2072 | return err; | |
da378962 | 2073 | } |
3c659eed AH |
2074 | |
2075 | int perf_event__process_id_index(struct perf_tool *tool __maybe_unused, | |
2076 | union perf_event *event, | |
2077 | struct perf_session *session) | |
2078 | { | |
2079 | struct perf_evlist *evlist = session->evlist; | |
2080 | struct id_index_event *ie = &event->id_index; | |
2081 | size_t i, nr, max_nr; | |
2082 | ||
2083 | max_nr = (ie->header.size - sizeof(struct id_index_event)) / | |
2084 | sizeof(struct id_index_entry); | |
2085 | nr = ie->nr; | |
2086 | if (nr > max_nr) | |
2087 | return -EINVAL; | |
2088 | ||
2089 | if (dump_trace) | |
2090 | fprintf(stdout, " nr: %zu\n", nr); | |
2091 | ||
2092 | for (i = 0; i < nr; i++) { | |
2093 | struct id_index_entry *e = &ie->entries[i]; | |
2094 | struct perf_sample_id *sid; | |
2095 | ||
2096 | if (dump_trace) { | |
2097 | fprintf(stdout, " ... id: %"PRIu64, e->id); | |
2098 | fprintf(stdout, " idx: %"PRIu64, e->idx); | |
2099 | fprintf(stdout, " cpu: %"PRId64, e->cpu); | |
2100 | fprintf(stdout, " tid: %"PRId64"\n", e->tid); | |
2101 | } | |
2102 | ||
2103 | sid = perf_evlist__id2sid(evlist, e->id); | |
2104 | if (!sid) | |
2105 | return -ENOENT; | |
2106 | sid->idx = e->idx; | |
2107 | sid->cpu = e->cpu; | |
2108 | sid->tid = e->tid; | |
2109 | } | |
2110 | return 0; | |
2111 | } | |
2112 | ||
2113 | int perf_event__synthesize_id_index(struct perf_tool *tool, | |
2114 | perf_event__handler_t process, | |
2115 | struct perf_evlist *evlist, | |
2116 | struct machine *machine) | |
2117 | { | |
2118 | union perf_event *ev; | |
2119 | struct perf_evsel *evsel; | |
2120 | size_t nr = 0, i = 0, sz, max_nr, n; | |
2121 | int err; | |
2122 | ||
2123 | pr_debug2("Synthesizing id index\n"); | |
2124 | ||
2125 | max_nr = (UINT16_MAX - sizeof(struct id_index_event)) / | |
2126 | sizeof(struct id_index_entry); | |
2127 | ||
e5cadb93 | 2128 | evlist__for_each_entry(evlist, evsel) |
3c659eed AH |
2129 | nr += evsel->ids; |
2130 | ||
2131 | n = nr > max_nr ? max_nr : nr; | |
2132 | sz = sizeof(struct id_index_event) + n * sizeof(struct id_index_entry); | |
2133 | ev = zalloc(sz); | |
2134 | if (!ev) | |
2135 | return -ENOMEM; | |
2136 | ||
2137 | ev->id_index.header.type = PERF_RECORD_ID_INDEX; | |
2138 | ev->id_index.header.size = sz; | |
2139 | ev->id_index.nr = n; | |
2140 | ||
e5cadb93 | 2141 | evlist__for_each_entry(evlist, evsel) { |
3c659eed AH |
2142 | u32 j; |
2143 | ||
2144 | for (j = 0; j < evsel->ids; j++) { | |
2145 | struct id_index_entry *e; | |
2146 | struct perf_sample_id *sid; | |
2147 | ||
2148 | if (i >= n) { | |
2149 | err = process(tool, ev, NULL, machine); | |
2150 | if (err) | |
2151 | goto out_err; | |
2152 | nr -= n; | |
2153 | i = 0; | |
2154 | } | |
2155 | ||
2156 | e = &ev->id_index.entries[i++]; | |
2157 | ||
2158 | e->id = evsel->id[j]; | |
2159 | ||
2160 | sid = perf_evlist__id2sid(evlist, e->id); | |
2161 | if (!sid) { | |
2162 | free(ev); | |
2163 | return -ENOENT; | |
2164 | } | |
2165 | ||
2166 | e->idx = sid->idx; | |
2167 | e->cpu = sid->cpu; | |
2168 | e->tid = sid->tid; | |
2169 | } | |
2170 | } | |
2171 | ||
2172 | sz = sizeof(struct id_index_event) + nr * sizeof(struct id_index_entry); | |
2173 | ev->id_index.header.size = sz; | |
2174 | ev->id_index.nr = nr; | |
2175 | ||
2176 | err = process(tool, ev, NULL, machine); | |
2177 | out_err: | |
2178 | free(ev); | |
2179 | ||
2180 | return err; | |
2181 | } |