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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
a43783ae | 2 | #include <errno.h> |
fd20e811 | 3 | #include <inttypes.h> |
94c744b6 | 4 | #include <linux/kernel.h> |
4e319027 | 5 | #include <traceevent/event-parse.h> |
05a1f47e | 6 | #include <api/fs/fs.h> |
94c744b6 | 7 | |
ba21594c | 8 | #include <byteswap.h> |
94c744b6 ACM |
9 | #include <unistd.h> |
10 | #include <sys/types.h> | |
a41794cd | 11 | #include <sys/mman.h> |
94c744b6 | 12 | |
e248de33 ACM |
13 | #include "evlist.h" |
14 | #include "evsel.h" | |
98521b38 | 15 | #include "memswap.h" |
1101f69a | 16 | #include "map.h" |
daecf9e0 | 17 | #include "symbol.h" |
94c744b6 | 18 | #include "session.h" |
45694aa7 | 19 | #include "tool.h" |
a328626b | 20 | #include "sort.h" |
94c744b6 | 21 | #include "util.h" |
5d67be97 | 22 | #include "cpumap.h" |
0f6a3015 | 23 | #include "perf_regs.h" |
b0a45203 | 24 | #include "asm/bug.h" |
c446870d | 25 | #include "auxtrace.h" |
e7ff8920 | 26 | #include "thread.h" |
a5499b37 | 27 | #include "thread-stack.h" |
93115d32 | 28 | #include "sample-raw.h" |
2d2aea6a | 29 | #include "stat.h" |
ec1891af | 30 | #include "arch/common.h" |
94c744b6 | 31 | |
cb62c6f1 AB |
32 | #ifdef HAVE_ZSTD_SUPPORT |
33 | static int perf_session__process_compressed_event(struct perf_session *session, | |
34 | union perf_event *event, u64 file_offset) | |
35 | { | |
36 | void *src; | |
37 | size_t decomp_size, src_size; | |
38 | u64 decomp_last_rem = 0; | |
39 | size_t decomp_len = session->header.env.comp_mmap_len; | |
40 | struct decomp *decomp, *decomp_last = session->decomp_last; | |
41 | ||
42 | decomp = mmap(NULL, sizeof(struct decomp) + decomp_len, PROT_READ|PROT_WRITE, | |
43 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
44 | if (decomp == MAP_FAILED) { | |
45 | pr_err("Couldn't allocate memory for decompression\n"); | |
46 | return -1; | |
47 | } | |
48 | ||
49 | decomp->file_pos = file_offset; | |
50 | decomp->head = 0; | |
51 | ||
52 | if (decomp_last) { | |
53 | decomp_last_rem = decomp_last->size - decomp_last->head; | |
54 | memcpy(decomp->data, &(decomp_last->data[decomp_last->head]), decomp_last_rem); | |
55 | decomp->size = decomp_last_rem; | |
56 | } | |
57 | ||
58 | src = (void *)event + sizeof(struct compressed_event); | |
59 | src_size = event->pack.header.size - sizeof(struct compressed_event); | |
60 | ||
61 | decomp_size = zstd_decompress_stream(&(session->zstd_data), src, src_size, | |
62 | &(decomp->data[decomp_last_rem]), decomp_len - decomp_last_rem); | |
63 | if (!decomp_size) { | |
64 | munmap(decomp, sizeof(struct decomp) + decomp_len); | |
65 | pr_err("Couldn't decompress data\n"); | |
66 | return -1; | |
67 | } | |
68 | ||
69 | decomp->size += decomp_size; | |
70 | ||
71 | if (session->decomp == NULL) { | |
72 | session->decomp = decomp; | |
73 | session->decomp_last = decomp; | |
74 | } else { | |
75 | session->decomp_last->next = decomp; | |
76 | session->decomp_last = decomp; | |
77 | } | |
78 | ||
79 | pr_debug("decomp (B): %ld to %ld\n", src_size, decomp_size); | |
80 | ||
81 | return 0; | |
82 | } | |
83 | #else /* !HAVE_ZSTD_SUPPORT */ | |
84 | #define perf_session__process_compressed_event perf_session__process_compressed_event_stub | |
85 | #endif | |
86 | ||
c446870d AH |
87 | static int perf_session__deliver_event(struct perf_session *session, |
88 | union perf_event *event, | |
c446870d AH |
89 | struct perf_tool *tool, |
90 | u64 file_offset); | |
d10eb1eb | 91 | |
316c7136 | 92 | static int perf_session__open(struct perf_session *session) |
94c744b6 | 93 | { |
8ceb41d7 | 94 | struct perf_data *data = session->data; |
8dc58101 | 95 | |
316c7136 | 96 | if (perf_session__read_header(session) < 0) { |
e87b4911 | 97 | pr_err("incompatible file format (rerun with -v to learn more)\n"); |
6a4d98d7 | 98 | return -1; |
94c744b6 ACM |
99 | } |
100 | ||
8ceb41d7 | 101 | if (perf_data__is_pipe(data)) |
cc9784bd JO |
102 | return 0; |
103 | ||
3ba78bd0 JO |
104 | if (perf_header__has_feat(&session->header, HEADER_STAT)) |
105 | return 0; | |
106 | ||
316c7136 | 107 | if (!perf_evlist__valid_sample_type(session->evlist)) { |
e87b4911 | 108 | pr_err("non matching sample_type\n"); |
6a4d98d7 | 109 | return -1; |
c2a70653 ACM |
110 | } |
111 | ||
316c7136 | 112 | if (!perf_evlist__valid_sample_id_all(session->evlist)) { |
e87b4911 | 113 | pr_err("non matching sample_id_all\n"); |
6a4d98d7 | 114 | return -1; |
c2a70653 ACM |
115 | } |
116 | ||
316c7136 | 117 | if (!perf_evlist__valid_read_format(session->evlist)) { |
e87b4911 | 118 | pr_err("non matching read_format\n"); |
6a4d98d7 | 119 | return -1; |
9ede473c JO |
120 | } |
121 | ||
94c744b6 | 122 | return 0; |
94c744b6 ACM |
123 | } |
124 | ||
7b56cce2 | 125 | void perf_session__set_id_hdr_size(struct perf_session *session) |
9c90a61c | 126 | { |
7b56cce2 ACM |
127 | u16 id_hdr_size = perf_evlist__id_hdr_size(session->evlist); |
128 | ||
7b56cce2 | 129 | machines__set_id_hdr_size(&session->machines, id_hdr_size); |
9c90a61c ACM |
130 | } |
131 | ||
316c7136 | 132 | int perf_session__create_kernel_maps(struct perf_session *session) |
a1645ce1 | 133 | { |
316c7136 | 134 | int ret = machine__create_kernel_maps(&session->machines.host); |
a1645ce1 | 135 | |
a1645ce1 | 136 | if (ret >= 0) |
316c7136 | 137 | ret = machines__create_guest_kernel_maps(&session->machines); |
a1645ce1 ZY |
138 | return ret; |
139 | } | |
140 | ||
316c7136 | 141 | static void perf_session__destroy_kernel_maps(struct perf_session *session) |
076c6e45 | 142 | { |
316c7136 | 143 | machines__destroy_kernel_maps(&session->machines); |
076c6e45 ACM |
144 | } |
145 | ||
cfe1c414 AH |
146 | static bool perf_session__has_comm_exec(struct perf_session *session) |
147 | { | |
148 | struct perf_evsel *evsel; | |
149 | ||
e5cadb93 | 150 | evlist__for_each_entry(session->evlist, evsel) { |
cfe1c414 AH |
151 | if (evsel->attr.comm_exec) |
152 | return true; | |
153 | } | |
154 | ||
155 | return false; | |
156 | } | |
157 | ||
158 | static void perf_session__set_comm_exec(struct perf_session *session) | |
159 | { | |
160 | bool comm_exec = perf_session__has_comm_exec(session); | |
161 | ||
162 | machines__set_comm_exec(&session->machines, comm_exec); | |
163 | } | |
164 | ||
d10eb1eb | 165 | static int ordered_events__deliver_event(struct ordered_events *oe, |
9870d780 | 166 | struct ordered_event *event) |
d10eb1eb | 167 | { |
9870d780 ACM |
168 | struct perf_session *session = container_of(oe, struct perf_session, |
169 | ordered_events); | |
9870d780 | 170 | |
93d10af2 | 171 | return perf_session__deliver_event(session, event->event, |
c446870d | 172 | session->tool, event->file_offset); |
d10eb1eb ACM |
173 | } |
174 | ||
8ceb41d7 | 175 | struct perf_session *perf_session__new(struct perf_data *data, |
f5fc1412 | 176 | bool repipe, struct perf_tool *tool) |
94c744b6 | 177 | { |
316c7136 | 178 | struct perf_session *session = zalloc(sizeof(*session)); |
efad1415 | 179 | |
316c7136 | 180 | if (!session) |
94c744b6 ACM |
181 | goto out; |
182 | ||
316c7136 | 183 | session->repipe = repipe; |
9870d780 | 184 | session->tool = tool; |
99fa2984 | 185 | INIT_LIST_HEAD(&session->auxtrace_index); |
316c7136 | 186 | machines__init(&session->machines); |
a4a6668a JO |
187 | ordered_events__init(&session->ordered_events, |
188 | ordered_events__deliver_event, NULL); | |
94c744b6 | 189 | |
e4378f0c | 190 | perf_env__init(&session->header.env); |
8ceb41d7 JO |
191 | if (data) { |
192 | if (perf_data__open(data)) | |
64abebf7 | 193 | goto out_delete; |
6a4d98d7 | 194 | |
8ceb41d7 | 195 | session->data = data; |
6a4d98d7 | 196 | |
8ceb41d7 | 197 | if (perf_data__is_read(data)) { |
316c7136 | 198 | if (perf_session__open(session) < 0) |
befa09b6 | 199 | goto out_delete; |
6a4d98d7 | 200 | |
0973ad97 DCC |
201 | /* |
202 | * set session attributes that are present in perf.data | |
203 | * but not in pipe-mode. | |
204 | */ | |
8ceb41d7 | 205 | if (!data->is_pipe) { |
0973ad97 DCC |
206 | perf_session__set_id_hdr_size(session); |
207 | perf_session__set_comm_exec(session); | |
208 | } | |
93115d32 TR |
209 | |
210 | perf_evlist__init_trace_event_sample_raw(session->evlist); | |
ec65def1 JO |
211 | |
212 | /* Open the directory data. */ | |
213 | if (data->is_dir && perf_data__open_dir(data)) | |
214 | goto out_delete; | |
6a4d98d7 | 215 | } |
4cde998d ACM |
216 | } else { |
217 | session->machines.host.env = &perf_env; | |
6a4d98d7 JO |
218 | } |
219 | ||
ec1891af AH |
220 | session->machines.host.single_address_space = |
221 | perf_env__single_address_space(session->machines.host.env); | |
222 | ||
8ceb41d7 | 223 | if (!data || perf_data__is_write(data)) { |
64abebf7 ACM |
224 | /* |
225 | * In O_RDONLY mode this will be performed when reading the | |
8115d60c | 226 | * kernel MMAP event, in perf_event__process_mmap(). |
64abebf7 | 227 | */ |
316c7136 | 228 | if (perf_session__create_kernel_maps(session) < 0) |
a5c2a4c9 | 229 | pr_warning("Cannot read kernel map\n"); |
64abebf7 | 230 | } |
d549c769 | 231 | |
0973ad97 DCC |
232 | /* |
233 | * In pipe-mode, evlist is empty until PERF_RECORD_HEADER_ATTR is | |
234 | * processed, so perf_evlist__sample_id_all is not meaningful here. | |
235 | */ | |
8ceb41d7 | 236 | if ((!data || !data->is_pipe) && tool && tool->ordering_requires_timestamps && |
0a8cb85c | 237 | tool->ordered_events && !perf_evlist__sample_id_all(session->evlist)) { |
21ef97f0 | 238 | dump_printf("WARNING: No sample_id_all support, falling back to unordered processing\n"); |
0a8cb85c | 239 | tool->ordered_events = false; |
d10eb1eb | 240 | } |
21ef97f0 | 241 | |
316c7136 | 242 | return session; |
6a4d98d7 | 243 | |
6a4d98d7 | 244 | out_delete: |
316c7136 | 245 | perf_session__delete(session); |
6a4d98d7 | 246 | out: |
4aa65636 | 247 | return NULL; |
94c744b6 ACM |
248 | } |
249 | ||
b424eba2 ACM |
250 | static void perf_session__delete_threads(struct perf_session *session) |
251 | { | |
876650e6 | 252 | machine__delete_threads(&session->machines.host); |
b424eba2 ACM |
253 | } |
254 | ||
cb62c6f1 AB |
255 | static void perf_session__release_decomp_events(struct perf_session *session) |
256 | { | |
257 | struct decomp *next, *decomp; | |
258 | size_t decomp_len; | |
259 | next = session->decomp; | |
260 | decomp_len = session->header.env.comp_mmap_len; | |
261 | do { | |
262 | decomp = next; | |
263 | if (decomp == NULL) | |
264 | break; | |
265 | next = decomp->next; | |
266 | munmap(decomp, decomp_len + sizeof(struct decomp)); | |
267 | } while (1); | |
268 | } | |
269 | ||
316c7136 | 270 | void perf_session__delete(struct perf_session *session) |
94c744b6 | 271 | { |
e1446551 ACM |
272 | if (session == NULL) |
273 | return; | |
c446870d | 274 | auxtrace__free(session); |
99fa2984 | 275 | auxtrace_index__free(&session->auxtrace_index); |
316c7136 | 276 | perf_session__destroy_kernel_maps(session); |
316c7136 | 277 | perf_session__delete_threads(session); |
cb62c6f1 | 278 | perf_session__release_decomp_events(session); |
f0ce888c | 279 | perf_env__exit(&session->header.env); |
316c7136 | 280 | machines__exit(&session->machines); |
8ceb41d7 JO |
281 | if (session->data) |
282 | perf_data__close(session->data); | |
316c7136 | 283 | free(session); |
94c744b6 | 284 | } |
a328626b | 285 | |
89f1688a | 286 | static int process_event_synth_tracing_data_stub(struct perf_session *session |
47c3d109 AH |
287 | __maybe_unused, |
288 | union perf_event *event | |
89f1688a | 289 | __maybe_unused) |
d20deb64 ACM |
290 | { |
291 | dump_printf(": unhandled!\n"); | |
292 | return 0; | |
293 | } | |
294 | ||
47c3d109 AH |
295 | static int process_event_synth_attr_stub(struct perf_tool *tool __maybe_unused, |
296 | union perf_event *event __maybe_unused, | |
1d037ca1 IT |
297 | struct perf_evlist **pevlist |
298 | __maybe_unused) | |
10d0f086 ACM |
299 | { |
300 | dump_printf(": unhandled!\n"); | |
301 | return 0; | |
302 | } | |
303 | ||
ffe77725 JO |
304 | static int process_event_synth_event_update_stub(struct perf_tool *tool __maybe_unused, |
305 | union perf_event *event __maybe_unused, | |
306 | struct perf_evlist **pevlist | |
307 | __maybe_unused) | |
308 | { | |
2d2aea6a JO |
309 | if (dump_trace) |
310 | perf_event__fprintf_event_update(event, stdout); | |
311 | ||
ffe77725 JO |
312 | dump_printf(": unhandled!\n"); |
313 | return 0; | |
314 | } | |
315 | ||
1d037ca1 IT |
316 | static int process_event_sample_stub(struct perf_tool *tool __maybe_unused, |
317 | union perf_event *event __maybe_unused, | |
318 | struct perf_sample *sample __maybe_unused, | |
319 | struct perf_evsel *evsel __maybe_unused, | |
320 | struct machine *machine __maybe_unused) | |
9e69c210 ACM |
321 | { |
322 | dump_printf(": unhandled!\n"); | |
323 | return 0; | |
324 | } | |
325 | ||
1d037ca1 IT |
326 | static int process_event_stub(struct perf_tool *tool __maybe_unused, |
327 | union perf_event *event __maybe_unused, | |
328 | struct perf_sample *sample __maybe_unused, | |
329 | struct machine *machine __maybe_unused) | |
06aae590 ACM |
330 | { |
331 | dump_printf(": unhandled!\n"); | |
332 | return 0; | |
333 | } | |
334 | ||
1d037ca1 IT |
335 | static int process_finished_round_stub(struct perf_tool *tool __maybe_unused, |
336 | union perf_event *event __maybe_unused, | |
d704ebda | 337 | struct ordered_events *oe __maybe_unused) |
743eb868 ACM |
338 | { |
339 | dump_printf(": unhandled!\n"); | |
340 | return 0; | |
341 | } | |
342 | ||
45694aa7 | 343 | static int process_finished_round(struct perf_tool *tool, |
d20deb64 | 344 | union perf_event *event, |
d704ebda | 345 | struct ordered_events *oe); |
d6b17beb | 346 | |
a16ac023 AH |
347 | static int skipn(int fd, off_t n) |
348 | { | |
349 | char buf[4096]; | |
350 | ssize_t ret; | |
351 | ||
352 | while (n > 0) { | |
353 | ret = read(fd, buf, min(n, (off_t)sizeof(buf))); | |
354 | if (ret <= 0) | |
355 | return ret; | |
356 | n -= ret; | |
357 | } | |
358 | ||
359 | return 0; | |
360 | } | |
361 | ||
7336555a JO |
362 | static s64 process_event_auxtrace_stub(struct perf_session *session __maybe_unused, |
363 | union perf_event *event) | |
a16ac023 AH |
364 | { |
365 | dump_printf(": unhandled!\n"); | |
8ceb41d7 JO |
366 | if (perf_data__is_pipe(session->data)) |
367 | skipn(perf_data__fd(session->data), event->auxtrace.size); | |
a16ac023 AH |
368 | return event->auxtrace.size; |
369 | } | |
370 | ||
89f1688a JO |
371 | static int process_event_op2_stub(struct perf_session *session __maybe_unused, |
372 | union perf_event *event __maybe_unused) | |
e9bf54d2 AH |
373 | { |
374 | dump_printf(": unhandled!\n"); | |
375 | return 0; | |
376 | } | |
377 | ||
5f3339d2 JO |
378 | |
379 | static | |
89f1688a JO |
380 | int process_event_thread_map_stub(struct perf_session *session __maybe_unused, |
381 | union perf_event *event __maybe_unused) | |
5f3339d2 | 382 | { |
2d2aea6a JO |
383 | if (dump_trace) |
384 | perf_event__fprintf_thread_map(event, stdout); | |
385 | ||
5f3339d2 JO |
386 | dump_printf(": unhandled!\n"); |
387 | return 0; | |
388 | } | |
389 | ||
6640b6c2 | 390 | static |
89f1688a JO |
391 | int process_event_cpu_map_stub(struct perf_session *session __maybe_unused, |
392 | union perf_event *event __maybe_unused) | |
6640b6c2 | 393 | { |
2d2aea6a JO |
394 | if (dump_trace) |
395 | perf_event__fprintf_cpu_map(event, stdout); | |
396 | ||
6640b6c2 JO |
397 | dump_printf(": unhandled!\n"); |
398 | return 0; | |
399 | } | |
400 | ||
374fb9e3 | 401 | static |
89f1688a JO |
402 | int process_event_stat_config_stub(struct perf_session *session __maybe_unused, |
403 | union perf_event *event __maybe_unused) | |
374fb9e3 | 404 | { |
2d2aea6a JO |
405 | if (dump_trace) |
406 | perf_event__fprintf_stat_config(event, stdout); | |
407 | ||
374fb9e3 JO |
408 | dump_printf(": unhandled!\n"); |
409 | return 0; | |
410 | } | |
411 | ||
89f1688a JO |
412 | static int process_stat_stub(struct perf_session *perf_session __maybe_unused, |
413 | union perf_event *event) | |
d80518c9 | 414 | { |
2d2aea6a JO |
415 | if (dump_trace) |
416 | perf_event__fprintf_stat(event, stdout); | |
417 | ||
d80518c9 JO |
418 | dump_printf(": unhandled!\n"); |
419 | return 0; | |
420 | } | |
421 | ||
89f1688a JO |
422 | static int process_stat_round_stub(struct perf_session *perf_session __maybe_unused, |
423 | union perf_event *event) | |
2d8f0f18 | 424 | { |
2d2aea6a JO |
425 | if (dump_trace) |
426 | perf_event__fprintf_stat_round(event, stdout); | |
427 | ||
2d8f0f18 JO |
428 | dump_printf(": unhandled!\n"); |
429 | return 0; | |
430 | } | |
431 | ||
61a7773c AB |
432 | static int perf_session__process_compressed_event_stub(struct perf_session *session __maybe_unused, |
433 | union perf_event *event __maybe_unused, | |
434 | u64 file_offset __maybe_unused) | |
435 | { | |
436 | dump_printf(": unhandled!\n"); | |
437 | return 0; | |
438 | } | |
439 | ||
9c501402 | 440 | void perf_tool__fill_defaults(struct perf_tool *tool) |
06aae590 | 441 | { |
45694aa7 ACM |
442 | if (tool->sample == NULL) |
443 | tool->sample = process_event_sample_stub; | |
444 | if (tool->mmap == NULL) | |
445 | tool->mmap = process_event_stub; | |
6adb0b0a DA |
446 | if (tool->mmap2 == NULL) |
447 | tool->mmap2 = process_event_stub; | |
45694aa7 ACM |
448 | if (tool->comm == NULL) |
449 | tool->comm = process_event_stub; | |
7f0cd236 NK |
450 | if (tool->namespaces == NULL) |
451 | tool->namespaces = process_event_stub; | |
45694aa7 ACM |
452 | if (tool->fork == NULL) |
453 | tool->fork = process_event_stub; | |
454 | if (tool->exit == NULL) | |
455 | tool->exit = process_event_stub; | |
456 | if (tool->lost == NULL) | |
457 | tool->lost = perf_event__process_lost; | |
c4937a91 KL |
458 | if (tool->lost_samples == NULL) |
459 | tool->lost_samples = perf_event__process_lost_samples; | |
4a96f7a0 AH |
460 | if (tool->aux == NULL) |
461 | tool->aux = perf_event__process_aux; | |
0ad21f68 AH |
462 | if (tool->itrace_start == NULL) |
463 | tool->itrace_start = perf_event__process_itrace_start; | |
0286039f AH |
464 | if (tool->context_switch == NULL) |
465 | tool->context_switch = perf_event__process_switch; | |
9aa0bfa3 SL |
466 | if (tool->ksymbol == NULL) |
467 | tool->ksymbol = perf_event__process_ksymbol; | |
45178a92 SL |
468 | if (tool->bpf_event == NULL) |
469 | tool->bpf_event = perf_event__process_bpf_event; | |
45694aa7 ACM |
470 | if (tool->read == NULL) |
471 | tool->read = process_event_sample_stub; | |
472 | if (tool->throttle == NULL) | |
473 | tool->throttle = process_event_stub; | |
474 | if (tool->unthrottle == NULL) | |
475 | tool->unthrottle = process_event_stub; | |
476 | if (tool->attr == NULL) | |
477 | tool->attr = process_event_synth_attr_stub; | |
ffe77725 JO |
478 | if (tool->event_update == NULL) |
479 | tool->event_update = process_event_synth_event_update_stub; | |
45694aa7 ACM |
480 | if (tool->tracing_data == NULL) |
481 | tool->tracing_data = process_event_synth_tracing_data_stub; | |
482 | if (tool->build_id == NULL) | |
5fb0ac16 | 483 | tool->build_id = process_event_op2_stub; |
45694aa7 | 484 | if (tool->finished_round == NULL) { |
0a8cb85c | 485 | if (tool->ordered_events) |
45694aa7 | 486 | tool->finished_round = process_finished_round; |
d6b17beb | 487 | else |
45694aa7 | 488 | tool->finished_round = process_finished_round_stub; |
d6b17beb | 489 | } |
3c659eed | 490 | if (tool->id_index == NULL) |
5fb0ac16 | 491 | tool->id_index = process_event_op2_stub; |
a16ac023 | 492 | if (tool->auxtrace_info == NULL) |
5fb0ac16 | 493 | tool->auxtrace_info = process_event_op2_stub; |
a16ac023 AH |
494 | if (tool->auxtrace == NULL) |
495 | tool->auxtrace = process_event_auxtrace_stub; | |
e9bf54d2 | 496 | if (tool->auxtrace_error == NULL) |
5fb0ac16 | 497 | tool->auxtrace_error = process_event_op2_stub; |
5f3339d2 JO |
498 | if (tool->thread_map == NULL) |
499 | tool->thread_map = process_event_thread_map_stub; | |
6640b6c2 JO |
500 | if (tool->cpu_map == NULL) |
501 | tool->cpu_map = process_event_cpu_map_stub; | |
374fb9e3 JO |
502 | if (tool->stat_config == NULL) |
503 | tool->stat_config = process_event_stat_config_stub; | |
d80518c9 JO |
504 | if (tool->stat == NULL) |
505 | tool->stat = process_stat_stub; | |
2d8f0f18 JO |
506 | if (tool->stat_round == NULL) |
507 | tool->stat_round = process_stat_round_stub; | |
46bc29b9 AH |
508 | if (tool->time_conv == NULL) |
509 | tool->time_conv = process_event_op2_stub; | |
e9def1b2 DCC |
510 | if (tool->feature == NULL) |
511 | tool->feature = process_event_op2_stub; | |
61a7773c | 512 | if (tool->compressed == NULL) |
cb62c6f1 | 513 | tool->compressed = perf_session__process_compressed_event; |
06aae590 | 514 | } |
48000a1a | 515 | |
268fb20f JO |
516 | static void swap_sample_id_all(union perf_event *event, void *data) |
517 | { | |
518 | void *end = (void *) event + event->header.size; | |
519 | int size = end - data; | |
520 | ||
521 | BUG_ON(size % sizeof(u64)); | |
522 | mem_bswap_64(data, size); | |
523 | } | |
524 | ||
525 | static void perf_event__all64_swap(union perf_event *event, | |
1d037ca1 | 526 | bool sample_id_all __maybe_unused) |
ba21594c | 527 | { |
8115d60c ACM |
528 | struct perf_event_header *hdr = &event->header; |
529 | mem_bswap_64(hdr + 1, event->header.size - sizeof(*hdr)); | |
ba21594c ACM |
530 | } |
531 | ||
268fb20f | 532 | static void perf_event__comm_swap(union perf_event *event, bool sample_id_all) |
ba21594c | 533 | { |
8115d60c ACM |
534 | event->comm.pid = bswap_32(event->comm.pid); |
535 | event->comm.tid = bswap_32(event->comm.tid); | |
268fb20f JO |
536 | |
537 | if (sample_id_all) { | |
538 | void *data = &event->comm.comm; | |
539 | ||
9ac3e487 | 540 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
268fb20f JO |
541 | swap_sample_id_all(event, data); |
542 | } | |
ba21594c ACM |
543 | } |
544 | ||
268fb20f JO |
545 | static void perf_event__mmap_swap(union perf_event *event, |
546 | bool sample_id_all) | |
ba21594c | 547 | { |
8115d60c ACM |
548 | event->mmap.pid = bswap_32(event->mmap.pid); |
549 | event->mmap.tid = bswap_32(event->mmap.tid); | |
550 | event->mmap.start = bswap_64(event->mmap.start); | |
551 | event->mmap.len = bswap_64(event->mmap.len); | |
552 | event->mmap.pgoff = bswap_64(event->mmap.pgoff); | |
268fb20f JO |
553 | |
554 | if (sample_id_all) { | |
555 | void *data = &event->mmap.filename; | |
556 | ||
9ac3e487 | 557 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
268fb20f JO |
558 | swap_sample_id_all(event, data); |
559 | } | |
ba21594c ACM |
560 | } |
561 | ||
5c5e854b SE |
562 | static void perf_event__mmap2_swap(union perf_event *event, |
563 | bool sample_id_all) | |
564 | { | |
565 | event->mmap2.pid = bswap_32(event->mmap2.pid); | |
566 | event->mmap2.tid = bswap_32(event->mmap2.tid); | |
567 | event->mmap2.start = bswap_64(event->mmap2.start); | |
568 | event->mmap2.len = bswap_64(event->mmap2.len); | |
569 | event->mmap2.pgoff = bswap_64(event->mmap2.pgoff); | |
570 | event->mmap2.maj = bswap_32(event->mmap2.maj); | |
571 | event->mmap2.min = bswap_32(event->mmap2.min); | |
572 | event->mmap2.ino = bswap_64(event->mmap2.ino); | |
573 | ||
574 | if (sample_id_all) { | |
575 | void *data = &event->mmap2.filename; | |
576 | ||
577 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); | |
578 | swap_sample_id_all(event, data); | |
579 | } | |
580 | } | |
268fb20f | 581 | static void perf_event__task_swap(union perf_event *event, bool sample_id_all) |
ba21594c | 582 | { |
8115d60c ACM |
583 | event->fork.pid = bswap_32(event->fork.pid); |
584 | event->fork.tid = bswap_32(event->fork.tid); | |
585 | event->fork.ppid = bswap_32(event->fork.ppid); | |
586 | event->fork.ptid = bswap_32(event->fork.ptid); | |
587 | event->fork.time = bswap_64(event->fork.time); | |
268fb20f JO |
588 | |
589 | if (sample_id_all) | |
590 | swap_sample_id_all(event, &event->fork + 1); | |
ba21594c ACM |
591 | } |
592 | ||
268fb20f | 593 | static void perf_event__read_swap(union perf_event *event, bool sample_id_all) |
ba21594c | 594 | { |
8115d60c ACM |
595 | event->read.pid = bswap_32(event->read.pid); |
596 | event->read.tid = bswap_32(event->read.tid); | |
597 | event->read.value = bswap_64(event->read.value); | |
598 | event->read.time_enabled = bswap_64(event->read.time_enabled); | |
599 | event->read.time_running = bswap_64(event->read.time_running); | |
600 | event->read.id = bswap_64(event->read.id); | |
268fb20f JO |
601 | |
602 | if (sample_id_all) | |
603 | swap_sample_id_all(event, &event->read + 1); | |
ba21594c ACM |
604 | } |
605 | ||
4a96f7a0 AH |
606 | static void perf_event__aux_swap(union perf_event *event, bool sample_id_all) |
607 | { | |
608 | event->aux.aux_offset = bswap_64(event->aux.aux_offset); | |
609 | event->aux.aux_size = bswap_64(event->aux.aux_size); | |
610 | event->aux.flags = bswap_64(event->aux.flags); | |
611 | ||
612 | if (sample_id_all) | |
613 | swap_sample_id_all(event, &event->aux + 1); | |
614 | } | |
615 | ||
0ad21f68 AH |
616 | static void perf_event__itrace_start_swap(union perf_event *event, |
617 | bool sample_id_all) | |
618 | { | |
619 | event->itrace_start.pid = bswap_32(event->itrace_start.pid); | |
620 | event->itrace_start.tid = bswap_32(event->itrace_start.tid); | |
621 | ||
622 | if (sample_id_all) | |
623 | swap_sample_id_all(event, &event->itrace_start + 1); | |
624 | } | |
625 | ||
0286039f AH |
626 | static void perf_event__switch_swap(union perf_event *event, bool sample_id_all) |
627 | { | |
628 | if (event->header.type == PERF_RECORD_SWITCH_CPU_WIDE) { | |
629 | event->context_switch.next_prev_pid = | |
630 | bswap_32(event->context_switch.next_prev_pid); | |
631 | event->context_switch.next_prev_tid = | |
632 | bswap_32(event->context_switch.next_prev_tid); | |
633 | } | |
634 | ||
635 | if (sample_id_all) | |
636 | swap_sample_id_all(event, &event->context_switch + 1); | |
637 | } | |
638 | ||
dd96c46b JO |
639 | static void perf_event__throttle_swap(union perf_event *event, |
640 | bool sample_id_all) | |
641 | { | |
642 | event->throttle.time = bswap_64(event->throttle.time); | |
643 | event->throttle.id = bswap_64(event->throttle.id); | |
644 | event->throttle.stream_id = bswap_64(event->throttle.stream_id); | |
645 | ||
646 | if (sample_id_all) | |
647 | swap_sample_id_all(event, &event->throttle + 1); | |
648 | } | |
649 | ||
acd244b8 NK |
650 | static void perf_event__namespaces_swap(union perf_event *event, |
651 | bool sample_id_all) | |
652 | { | |
653 | u64 i; | |
654 | ||
655 | event->namespaces.pid = bswap_32(event->namespaces.pid); | |
656 | event->namespaces.tid = bswap_32(event->namespaces.tid); | |
657 | event->namespaces.nr_namespaces = bswap_64(event->namespaces.nr_namespaces); | |
658 | ||
659 | for (i = 0; i < event->namespaces.nr_namespaces; i++) { | |
660 | struct perf_ns_link_info *ns = &event->namespaces.link_info[i]; | |
661 | ||
662 | ns->dev = bswap_64(ns->dev); | |
663 | ns->ino = bswap_64(ns->ino); | |
664 | } | |
665 | ||
666 | if (sample_id_all) | |
667 | swap_sample_id_all(event, &event->namespaces.link_info[i]); | |
668 | } | |
669 | ||
e108c66e JO |
670 | static u8 revbyte(u8 b) |
671 | { | |
672 | int rev = (b >> 4) | ((b & 0xf) << 4); | |
673 | rev = ((rev & 0xcc) >> 2) | ((rev & 0x33) << 2); | |
674 | rev = ((rev & 0xaa) >> 1) | ((rev & 0x55) << 1); | |
675 | return (u8) rev; | |
676 | } | |
677 | ||
678 | /* | |
679 | * XXX this is hack in attempt to carry flags bitfield | |
bd1a0be5 | 680 | * through endian village. ABI says: |
e108c66e JO |
681 | * |
682 | * Bit-fields are allocated from right to left (least to most significant) | |
683 | * on little-endian implementations and from left to right (most to least | |
684 | * significant) on big-endian implementations. | |
685 | * | |
686 | * The above seems to be byte specific, so we need to reverse each | |
687 | * byte of the bitfield. 'Internet' also says this might be implementation | |
688 | * specific and we probably need proper fix and carry perf_event_attr | |
689 | * bitfield flags in separate data file FEAT_ section. Thought this seems | |
690 | * to work for now. | |
691 | */ | |
692 | static void swap_bitfield(u8 *p, unsigned len) | |
693 | { | |
694 | unsigned i; | |
695 | ||
696 | for (i = 0; i < len; i++) { | |
697 | *p = revbyte(*p); | |
698 | p++; | |
699 | } | |
700 | } | |
701 | ||
eda3913b DA |
702 | /* exported for swapping attributes in file header */ |
703 | void perf_event__attr_swap(struct perf_event_attr *attr) | |
704 | { | |
705 | attr->type = bswap_32(attr->type); | |
706 | attr->size = bswap_32(attr->size); | |
b30b6172 WN |
707 | |
708 | #define bswap_safe(f, n) \ | |
709 | (attr->size > (offsetof(struct perf_event_attr, f) + \ | |
710 | sizeof(attr->f) * (n))) | |
711 | #define bswap_field(f, sz) \ | |
712 | do { \ | |
713 | if (bswap_safe(f, 0)) \ | |
714 | attr->f = bswap_##sz(attr->f); \ | |
715 | } while(0) | |
792d48b4 | 716 | #define bswap_field_16(f) bswap_field(f, 16) |
b30b6172 WN |
717 | #define bswap_field_32(f) bswap_field(f, 32) |
718 | #define bswap_field_64(f) bswap_field(f, 64) | |
719 | ||
720 | bswap_field_64(config); | |
721 | bswap_field_64(sample_period); | |
722 | bswap_field_64(sample_type); | |
723 | bswap_field_64(read_format); | |
724 | bswap_field_32(wakeup_events); | |
725 | bswap_field_32(bp_type); | |
726 | bswap_field_64(bp_addr); | |
727 | bswap_field_64(bp_len); | |
728 | bswap_field_64(branch_sample_type); | |
729 | bswap_field_64(sample_regs_user); | |
730 | bswap_field_32(sample_stack_user); | |
731 | bswap_field_32(aux_watermark); | |
792d48b4 | 732 | bswap_field_16(sample_max_stack); |
b30b6172 WN |
733 | |
734 | /* | |
735 | * After read_format are bitfields. Check read_format because | |
736 | * we are unable to use offsetof on bitfield. | |
737 | */ | |
738 | if (bswap_safe(read_format, 1)) | |
739 | swap_bitfield((u8 *) (&attr->read_format + 1), | |
740 | sizeof(u64)); | |
741 | #undef bswap_field_64 | |
742 | #undef bswap_field_32 | |
743 | #undef bswap_field | |
744 | #undef bswap_safe | |
eda3913b DA |
745 | } |
746 | ||
268fb20f | 747 | static void perf_event__hdr_attr_swap(union perf_event *event, |
1d037ca1 | 748 | bool sample_id_all __maybe_unused) |
2c46dbb5 TZ |
749 | { |
750 | size_t size; | |
751 | ||
eda3913b | 752 | perf_event__attr_swap(&event->attr.attr); |
2c46dbb5 | 753 | |
8115d60c ACM |
754 | size = event->header.size; |
755 | size -= (void *)&event->attr.id - (void *)event; | |
756 | mem_bswap_64(event->attr.id, size); | |
2c46dbb5 TZ |
757 | } |
758 | ||
ffe77725 JO |
759 | static void perf_event__event_update_swap(union perf_event *event, |
760 | bool sample_id_all __maybe_unused) | |
761 | { | |
762 | event->event_update.type = bswap_64(event->event_update.type); | |
763 | event->event_update.id = bswap_64(event->event_update.id); | |
764 | } | |
765 | ||
268fb20f | 766 | static void perf_event__event_type_swap(union perf_event *event, |
1d037ca1 | 767 | bool sample_id_all __maybe_unused) |
cd19a035 | 768 | { |
8115d60c ACM |
769 | event->event_type.event_type.event_id = |
770 | bswap_64(event->event_type.event_type.event_id); | |
cd19a035 TZ |
771 | } |
772 | ||
268fb20f | 773 | static void perf_event__tracing_data_swap(union perf_event *event, |
1d037ca1 | 774 | bool sample_id_all __maybe_unused) |
9215545e | 775 | { |
8115d60c | 776 | event->tracing_data.size = bswap_32(event->tracing_data.size); |
9215545e TZ |
777 | } |
778 | ||
a16ac023 AH |
779 | static void perf_event__auxtrace_info_swap(union perf_event *event, |
780 | bool sample_id_all __maybe_unused) | |
781 | { | |
782 | size_t size; | |
783 | ||
784 | event->auxtrace_info.type = bswap_32(event->auxtrace_info.type); | |
785 | ||
786 | size = event->header.size; | |
787 | size -= (void *)&event->auxtrace_info.priv - (void *)event; | |
788 | mem_bswap_64(event->auxtrace_info.priv, size); | |
789 | } | |
790 | ||
791 | static void perf_event__auxtrace_swap(union perf_event *event, | |
792 | bool sample_id_all __maybe_unused) | |
793 | { | |
794 | event->auxtrace.size = bswap_64(event->auxtrace.size); | |
795 | event->auxtrace.offset = bswap_64(event->auxtrace.offset); | |
796 | event->auxtrace.reference = bswap_64(event->auxtrace.reference); | |
797 | event->auxtrace.idx = bswap_32(event->auxtrace.idx); | |
798 | event->auxtrace.tid = bswap_32(event->auxtrace.tid); | |
799 | event->auxtrace.cpu = bswap_32(event->auxtrace.cpu); | |
800 | } | |
801 | ||
e9bf54d2 AH |
802 | static void perf_event__auxtrace_error_swap(union perf_event *event, |
803 | bool sample_id_all __maybe_unused) | |
804 | { | |
805 | event->auxtrace_error.type = bswap_32(event->auxtrace_error.type); | |
806 | event->auxtrace_error.code = bswap_32(event->auxtrace_error.code); | |
807 | event->auxtrace_error.cpu = bswap_32(event->auxtrace_error.cpu); | |
808 | event->auxtrace_error.pid = bswap_32(event->auxtrace_error.pid); | |
809 | event->auxtrace_error.tid = bswap_32(event->auxtrace_error.tid); | |
16bd4321 | 810 | event->auxtrace_error.fmt = bswap_32(event->auxtrace_error.fmt); |
e9bf54d2 | 811 | event->auxtrace_error.ip = bswap_64(event->auxtrace_error.ip); |
16bd4321 AH |
812 | if (event->auxtrace_error.fmt) |
813 | event->auxtrace_error.time = bswap_64(event->auxtrace_error.time); | |
e9bf54d2 AH |
814 | } |
815 | ||
5f3339d2 JO |
816 | static void perf_event__thread_map_swap(union perf_event *event, |
817 | bool sample_id_all __maybe_unused) | |
818 | { | |
819 | unsigned i; | |
820 | ||
821 | event->thread_map.nr = bswap_64(event->thread_map.nr); | |
822 | ||
823 | for (i = 0; i < event->thread_map.nr; i++) | |
824 | event->thread_map.entries[i].pid = bswap_64(event->thread_map.entries[i].pid); | |
825 | } | |
826 | ||
6640b6c2 JO |
827 | static void perf_event__cpu_map_swap(union perf_event *event, |
828 | bool sample_id_all __maybe_unused) | |
829 | { | |
830 | struct cpu_map_data *data = &event->cpu_map.data; | |
831 | struct cpu_map_entries *cpus; | |
832 | struct cpu_map_mask *mask; | |
833 | unsigned i; | |
834 | ||
835 | data->type = bswap_64(data->type); | |
836 | ||
837 | switch (data->type) { | |
838 | case PERF_CPU_MAP__CPUS: | |
839 | cpus = (struct cpu_map_entries *)data->data; | |
840 | ||
841 | cpus->nr = bswap_16(cpus->nr); | |
842 | ||
843 | for (i = 0; i < cpus->nr; i++) | |
844 | cpus->cpu[i] = bswap_16(cpus->cpu[i]); | |
845 | break; | |
846 | case PERF_CPU_MAP__MASK: | |
847 | mask = (struct cpu_map_mask *) data->data; | |
848 | ||
849 | mask->nr = bswap_16(mask->nr); | |
850 | mask->long_size = bswap_16(mask->long_size); | |
851 | ||
852 | switch (mask->long_size) { | |
853 | case 4: mem_bswap_32(&mask->mask, mask->nr); break; | |
854 | case 8: mem_bswap_64(&mask->mask, mask->nr); break; | |
855 | default: | |
856 | pr_err("cpu_map swap: unsupported long size\n"); | |
857 | } | |
858 | default: | |
859 | break; | |
860 | } | |
861 | } | |
862 | ||
374fb9e3 JO |
863 | static void perf_event__stat_config_swap(union perf_event *event, |
864 | bool sample_id_all __maybe_unused) | |
865 | { | |
866 | u64 size; | |
867 | ||
868 | size = event->stat_config.nr * sizeof(event->stat_config.data[0]); | |
869 | size += 1; /* nr item itself */ | |
870 | mem_bswap_64(&event->stat_config.nr, size); | |
871 | } | |
872 | ||
d80518c9 JO |
873 | static void perf_event__stat_swap(union perf_event *event, |
874 | bool sample_id_all __maybe_unused) | |
875 | { | |
876 | event->stat.id = bswap_64(event->stat.id); | |
877 | event->stat.thread = bswap_32(event->stat.thread); | |
878 | event->stat.cpu = bswap_32(event->stat.cpu); | |
879 | event->stat.val = bswap_64(event->stat.val); | |
880 | event->stat.ena = bswap_64(event->stat.ena); | |
881 | event->stat.run = bswap_64(event->stat.run); | |
882 | } | |
883 | ||
2d8f0f18 JO |
884 | static void perf_event__stat_round_swap(union perf_event *event, |
885 | bool sample_id_all __maybe_unused) | |
886 | { | |
887 | event->stat_round.type = bswap_64(event->stat_round.type); | |
888 | event->stat_round.time = bswap_64(event->stat_round.time); | |
889 | } | |
890 | ||
268fb20f JO |
891 | typedef void (*perf_event__swap_op)(union perf_event *event, |
892 | bool sample_id_all); | |
ba21594c | 893 | |
8115d60c ACM |
894 | static perf_event__swap_op perf_event__swap_ops[] = { |
895 | [PERF_RECORD_MMAP] = perf_event__mmap_swap, | |
5c5e854b | 896 | [PERF_RECORD_MMAP2] = perf_event__mmap2_swap, |
8115d60c ACM |
897 | [PERF_RECORD_COMM] = perf_event__comm_swap, |
898 | [PERF_RECORD_FORK] = perf_event__task_swap, | |
899 | [PERF_RECORD_EXIT] = perf_event__task_swap, | |
900 | [PERF_RECORD_LOST] = perf_event__all64_swap, | |
901 | [PERF_RECORD_READ] = perf_event__read_swap, | |
dd96c46b JO |
902 | [PERF_RECORD_THROTTLE] = perf_event__throttle_swap, |
903 | [PERF_RECORD_UNTHROTTLE] = perf_event__throttle_swap, | |
8115d60c | 904 | [PERF_RECORD_SAMPLE] = perf_event__all64_swap, |
4a96f7a0 | 905 | [PERF_RECORD_AUX] = perf_event__aux_swap, |
0ad21f68 | 906 | [PERF_RECORD_ITRACE_START] = perf_event__itrace_start_swap, |
c4937a91 | 907 | [PERF_RECORD_LOST_SAMPLES] = perf_event__all64_swap, |
0286039f AH |
908 | [PERF_RECORD_SWITCH] = perf_event__switch_swap, |
909 | [PERF_RECORD_SWITCH_CPU_WIDE] = perf_event__switch_swap, | |
acd244b8 | 910 | [PERF_RECORD_NAMESPACES] = perf_event__namespaces_swap, |
eda3913b | 911 | [PERF_RECORD_HEADER_ATTR] = perf_event__hdr_attr_swap, |
8115d60c ACM |
912 | [PERF_RECORD_HEADER_EVENT_TYPE] = perf_event__event_type_swap, |
913 | [PERF_RECORD_HEADER_TRACING_DATA] = perf_event__tracing_data_swap, | |
914 | [PERF_RECORD_HEADER_BUILD_ID] = NULL, | |
3c659eed | 915 | [PERF_RECORD_ID_INDEX] = perf_event__all64_swap, |
a16ac023 AH |
916 | [PERF_RECORD_AUXTRACE_INFO] = perf_event__auxtrace_info_swap, |
917 | [PERF_RECORD_AUXTRACE] = perf_event__auxtrace_swap, | |
e9bf54d2 | 918 | [PERF_RECORD_AUXTRACE_ERROR] = perf_event__auxtrace_error_swap, |
5f3339d2 | 919 | [PERF_RECORD_THREAD_MAP] = perf_event__thread_map_swap, |
6640b6c2 | 920 | [PERF_RECORD_CPU_MAP] = perf_event__cpu_map_swap, |
374fb9e3 | 921 | [PERF_RECORD_STAT_CONFIG] = perf_event__stat_config_swap, |
d80518c9 | 922 | [PERF_RECORD_STAT] = perf_event__stat_swap, |
2d8f0f18 | 923 | [PERF_RECORD_STAT_ROUND] = perf_event__stat_round_swap, |
ffe77725 | 924 | [PERF_RECORD_EVENT_UPDATE] = perf_event__event_update_swap, |
46bc29b9 | 925 | [PERF_RECORD_TIME_CONV] = perf_event__all64_swap, |
8115d60c | 926 | [PERF_RECORD_HEADER_MAX] = NULL, |
ba21594c ACM |
927 | }; |
928 | ||
d6b17beb FW |
929 | /* |
930 | * When perf record finishes a pass on every buffers, it records this pseudo | |
931 | * event. | |
932 | * We record the max timestamp t found in the pass n. | |
933 | * Assuming these timestamps are monotonic across cpus, we know that if | |
934 | * a buffer still has events with timestamps below t, they will be all | |
935 | * available and then read in the pass n + 1. | |
936 | * Hence when we start to read the pass n + 2, we can safely flush every | |
937 | * events with timestamps below t. | |
938 | * | |
939 | * ============ PASS n ================= | |
940 | * CPU 0 | CPU 1 | |
941 | * | | |
942 | * cnt1 timestamps | cnt2 timestamps | |
943 | * 1 | 2 | |
944 | * 2 | 3 | |
945 | * - | 4 <--- max recorded | |
946 | * | |
947 | * ============ PASS n + 1 ============== | |
948 | * CPU 0 | CPU 1 | |
949 | * | | |
950 | * cnt1 timestamps | cnt2 timestamps | |
951 | * 3 | 5 | |
952 | * 4 | 6 | |
953 | * 5 | 7 <---- max recorded | |
954 | * | |
955 | * Flush every events below timestamp 4 | |
956 | * | |
957 | * ============ PASS n + 2 ============== | |
958 | * CPU 0 | CPU 1 | |
959 | * | | |
960 | * cnt1 timestamps | cnt2 timestamps | |
961 | * 6 | 8 | |
962 | * 7 | 9 | |
963 | * - | 10 | |
964 | * | |
965 | * Flush every events below timestamp 7 | |
966 | * etc... | |
967 | */ | |
b7b61cbe | 968 | static int process_finished_round(struct perf_tool *tool __maybe_unused, |
1d037ca1 | 969 | union perf_event *event __maybe_unused, |
d704ebda | 970 | struct ordered_events *oe) |
d6b17beb | 971 | { |
5531e162 AH |
972 | if (dump_trace) |
973 | fprintf(stdout, "\n"); | |
b7b61cbe | 974 | return ordered_events__flush(oe, OE_FLUSH__ROUND); |
d6b17beb FW |
975 | } |
976 | ||
b7b61cbe | 977 | int perf_session__queue_event(struct perf_session *s, union perf_event *event, |
dc83e139 | 978 | u64 timestamp, u64 file_offset) |
c61e52ee | 979 | { |
dc83e139 | 980 | return ordered_events__queue(&s->ordered_events, event, timestamp, file_offset); |
640c03ce | 981 | } |
c61e52ee | 982 | |
384b6055 | 983 | static void callchain__lbr_callstack_printf(struct perf_sample *sample) |
640c03ce | 984 | { |
384b6055 KL |
985 | struct ip_callchain *callchain = sample->callchain; |
986 | struct branch_stack *lbr_stack = sample->branch_stack; | |
987 | u64 kernel_callchain_nr = callchain->nr; | |
640c03ce | 988 | unsigned int i; |
c61e52ee | 989 | |
384b6055 KL |
990 | for (i = 0; i < kernel_callchain_nr; i++) { |
991 | if (callchain->ips[i] == PERF_CONTEXT_USER) | |
992 | break; | |
993 | } | |
994 | ||
995 | if ((i != kernel_callchain_nr) && lbr_stack->nr) { | |
996 | u64 total_nr; | |
997 | /* | |
998 | * LBR callstack can only get user call chain, | |
999 | * i is kernel call chain number, | |
1000 | * 1 is PERF_CONTEXT_USER. | |
1001 | * | |
1002 | * The user call chain is stored in LBR registers. | |
1003 | * LBR are pair registers. The caller is stored | |
1004 | * in "from" register, while the callee is stored | |
1005 | * in "to" register. | |
1006 | * For example, there is a call stack | |
1007 | * "A"->"B"->"C"->"D". | |
1008 | * The LBR registers will recorde like | |
1009 | * "C"->"D", "B"->"C", "A"->"B". | |
1010 | * So only the first "to" register and all "from" | |
1011 | * registers are needed to construct the whole stack. | |
1012 | */ | |
1013 | total_nr = i + 1 + lbr_stack->nr + 1; | |
1014 | kernel_callchain_nr = i + 1; | |
1015 | ||
1016 | printf("... LBR call chain: nr:%" PRIu64 "\n", total_nr); | |
1017 | ||
1018 | for (i = 0; i < kernel_callchain_nr; i++) | |
1019 | printf("..... %2d: %016" PRIx64 "\n", | |
1020 | i, callchain->ips[i]); | |
1021 | ||
1022 | printf("..... %2d: %016" PRIx64 "\n", | |
1023 | (int)(kernel_callchain_nr), lbr_stack->entries[0].to); | |
1024 | for (i = 0; i < lbr_stack->nr; i++) | |
1025 | printf("..... %2d: %016" PRIx64 "\n", | |
1026 | (int)(i + kernel_callchain_nr + 1), lbr_stack->entries[i].from); | |
1027 | } | |
1028 | } | |
1029 | ||
1030 | static void callchain__printf(struct perf_evsel *evsel, | |
1031 | struct perf_sample *sample) | |
1032 | { | |
1033 | unsigned int i; | |
1034 | struct ip_callchain *callchain = sample->callchain; | |
1035 | ||
acf2abbd | 1036 | if (perf_evsel__has_branch_callstack(evsel)) |
384b6055 KL |
1037 | callchain__lbr_callstack_printf(sample); |
1038 | ||
1039 | printf("... FP chain: nr:%" PRIu64 "\n", callchain->nr); | |
640c03ce | 1040 | |
384b6055 | 1041 | for (i = 0; i < callchain->nr; i++) |
9486aa38 | 1042 | printf("..... %2d: %016" PRIx64 "\n", |
384b6055 | 1043 | i, callchain->ips[i]); |
c61e52ee FW |
1044 | } |
1045 | ||
b5387528 RAV |
1046 | static void branch_stack__printf(struct perf_sample *sample) |
1047 | { | |
1048 | uint64_t i; | |
1049 | ||
1050 | printf("... branch stack: nr:%" PRIu64 "\n", sample->branch_stack->nr); | |
1051 | ||
0e332f03 AK |
1052 | for (i = 0; i < sample->branch_stack->nr; i++) { |
1053 | struct branch_entry *e = &sample->branch_stack->entries[i]; | |
1054 | ||
1055 | printf("..... %2"PRIu64": %016" PRIx64 " -> %016" PRIx64 " %hu cycles %s%s%s%s %x\n", | |
1056 | i, e->from, e->to, | |
8074bf51 | 1057 | (unsigned short)e->flags.cycles, |
0e332f03 AK |
1058 | e->flags.mispred ? "M" : " ", |
1059 | e->flags.predicted ? "P" : " ", | |
1060 | e->flags.abort ? "A" : " ", | |
1061 | e->flags.in_tx ? "T" : " ", | |
1062 | (unsigned)e->flags.reserved); | |
1063 | } | |
b5387528 RAV |
1064 | } |
1065 | ||
0f6a3015 JO |
1066 | static void regs_dump__printf(u64 mask, u64 *regs) |
1067 | { | |
1068 | unsigned rid, i = 0; | |
1069 | ||
1070 | for_each_set_bit(rid, (unsigned long *) &mask, sizeof(mask) * 8) { | |
1071 | u64 val = regs[i++]; | |
1072 | ||
1073 | printf(".... %-5s 0x%" PRIx64 "\n", | |
1074 | perf_reg_name(rid), val); | |
1075 | } | |
1076 | } | |
1077 | ||
6a21c0b5 SE |
1078 | static const char *regs_abi[] = { |
1079 | [PERF_SAMPLE_REGS_ABI_NONE] = "none", | |
1080 | [PERF_SAMPLE_REGS_ABI_32] = "32-bit", | |
1081 | [PERF_SAMPLE_REGS_ABI_64] = "64-bit", | |
1082 | }; | |
1083 | ||
1084 | static inline const char *regs_dump_abi(struct regs_dump *d) | |
1085 | { | |
1086 | if (d->abi > PERF_SAMPLE_REGS_ABI_64) | |
1087 | return "unknown"; | |
1088 | ||
1089 | return regs_abi[d->abi]; | |
1090 | } | |
1091 | ||
1092 | static void regs__printf(const char *type, struct regs_dump *regs) | |
1093 | { | |
1094 | u64 mask = regs->mask; | |
1095 | ||
1096 | printf("... %s regs: mask 0x%" PRIx64 " ABI %s\n", | |
1097 | type, | |
1098 | mask, | |
1099 | regs_dump_abi(regs)); | |
1100 | ||
1101 | regs_dump__printf(mask, regs->regs); | |
1102 | } | |
1103 | ||
352ea45a | 1104 | static void regs_user__printf(struct perf_sample *sample) |
0f6a3015 JO |
1105 | { |
1106 | struct regs_dump *user_regs = &sample->user_regs; | |
1107 | ||
6a21c0b5 SE |
1108 | if (user_regs->regs) |
1109 | regs__printf("user", user_regs); | |
1110 | } | |
1111 | ||
1112 | static void regs_intr__printf(struct perf_sample *sample) | |
1113 | { | |
1114 | struct regs_dump *intr_regs = &sample->intr_regs; | |
1115 | ||
1116 | if (intr_regs->regs) | |
1117 | regs__printf("intr", intr_regs); | |
0f6a3015 JO |
1118 | } |
1119 | ||
1120 | static void stack_user__printf(struct stack_dump *dump) | |
1121 | { | |
1122 | printf("... ustack: size %" PRIu64 ", offset 0x%x\n", | |
1123 | dump->size, dump->offset); | |
1124 | } | |
1125 | ||
9fa8727a | 1126 | static void perf_evlist__print_tstamp(struct perf_evlist *evlist, |
8115d60c | 1127 | union perf_event *event, |
8d50e5b4 | 1128 | struct perf_sample *sample) |
9c90a61c | 1129 | { |
9fa8727a | 1130 | u64 sample_type = __perf_evlist__combined_sample_type(evlist); |
7f3be652 | 1131 | |
9c90a61c | 1132 | if (event->header.type != PERF_RECORD_SAMPLE && |
9fa8727a | 1133 | !perf_evlist__sample_id_all(evlist)) { |
9c90a61c ACM |
1134 | fputs("-1 -1 ", stdout); |
1135 | return; | |
1136 | } | |
1137 | ||
7f3be652 | 1138 | if ((sample_type & PERF_SAMPLE_CPU)) |
9c90a61c ACM |
1139 | printf("%u ", sample->cpu); |
1140 | ||
7f3be652 | 1141 | if (sample_type & PERF_SAMPLE_TIME) |
9486aa38 | 1142 | printf("%" PRIu64 " ", sample->time); |
9c90a61c ACM |
1143 | } |
1144 | ||
9ede473c JO |
1145 | static void sample_read__printf(struct perf_sample *sample, u64 read_format) |
1146 | { | |
1147 | printf("... sample_read:\n"); | |
1148 | ||
1149 | if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) | |
1150 | printf("...... time enabled %016" PRIx64 "\n", | |
1151 | sample->read.time_enabled); | |
1152 | ||
1153 | if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) | |
1154 | printf("...... time running %016" PRIx64 "\n", | |
1155 | sample->read.time_running); | |
1156 | ||
1157 | if (read_format & PERF_FORMAT_GROUP) { | |
1158 | u64 i; | |
1159 | ||
1160 | printf(".... group nr %" PRIu64 "\n", sample->read.group.nr); | |
1161 | ||
1162 | for (i = 0; i < sample->read.group.nr; i++) { | |
1163 | struct sample_read_value *value; | |
1164 | ||
1165 | value = &sample->read.group.values[i]; | |
1166 | printf("..... id %016" PRIx64 | |
1167 | ", value %016" PRIx64 "\n", | |
1168 | value->id, value->value); | |
1169 | } | |
1170 | } else | |
1171 | printf("..... id %016" PRIx64 ", value %016" PRIx64 "\n", | |
1172 | sample->read.one.id, sample->read.one.value); | |
1173 | } | |
1174 | ||
9fa8727a | 1175 | static void dump_event(struct perf_evlist *evlist, union perf_event *event, |
8d50e5b4 | 1176 | u64 file_offset, struct perf_sample *sample) |
9aefcab0 TG |
1177 | { |
1178 | if (!dump_trace) | |
1179 | return; | |
1180 | ||
9486aa38 ACM |
1181 | printf("\n%#" PRIx64 " [%#x]: event: %d\n", |
1182 | file_offset, event->header.size, event->header.type); | |
9aefcab0 TG |
1183 | |
1184 | trace_event(event); | |
93115d32 TR |
1185 | if (event->header.type == PERF_RECORD_SAMPLE && evlist->trace_event_sample_raw) |
1186 | evlist->trace_event_sample_raw(evlist, event, sample); | |
9aefcab0 TG |
1187 | |
1188 | if (sample) | |
9fa8727a | 1189 | perf_evlist__print_tstamp(evlist, event, sample); |
9aefcab0 | 1190 | |
9486aa38 | 1191 | printf("%#" PRIx64 " [%#x]: PERF_RECORD_%s", file_offset, |
8115d60c | 1192 | event->header.size, perf_event__name(event->header.type)); |
9aefcab0 TG |
1193 | } |
1194 | ||
0f6a3015 | 1195 | static void dump_sample(struct perf_evsel *evsel, union perf_event *event, |
8d50e5b4 | 1196 | struct perf_sample *sample) |
9aefcab0 | 1197 | { |
7f3be652 ACM |
1198 | u64 sample_type; |
1199 | ||
ddbc24b7 ACM |
1200 | if (!dump_trace) |
1201 | return; | |
1202 | ||
0ea590ae | 1203 | printf("(IP, 0x%x): %d/%d: %#" PRIx64 " period: %" PRIu64 " addr: %#" PRIx64 "\n", |
9486aa38 | 1204 | event->header.misc, sample->pid, sample->tid, sample->ip, |
7cec0922 | 1205 | sample->period, sample->addr); |
9aefcab0 | 1206 | |
0f6a3015 | 1207 | sample_type = evsel->attr.sample_type; |
7f3be652 | 1208 | |
27de9b2b | 1209 | if (evsel__has_callchain(evsel)) |
384b6055 | 1210 | callchain__printf(evsel, sample); |
b5387528 | 1211 | |
acf2abbd | 1212 | if ((sample_type & PERF_SAMPLE_BRANCH_STACK) && !perf_evsel__has_branch_callstack(evsel)) |
b5387528 | 1213 | branch_stack__printf(sample); |
0f6a3015 JO |
1214 | |
1215 | if (sample_type & PERF_SAMPLE_REGS_USER) | |
352ea45a | 1216 | regs_user__printf(sample); |
0f6a3015 | 1217 | |
6a21c0b5 SE |
1218 | if (sample_type & PERF_SAMPLE_REGS_INTR) |
1219 | regs_intr__printf(sample); | |
1220 | ||
0f6a3015 JO |
1221 | if (sample_type & PERF_SAMPLE_STACK_USER) |
1222 | stack_user__printf(&sample->user_stack); | |
05484298 AK |
1223 | |
1224 | if (sample_type & PERF_SAMPLE_WEIGHT) | |
1225 | printf("... weight: %" PRIu64 "\n", sample->weight); | |
98a3b32c SE |
1226 | |
1227 | if (sample_type & PERF_SAMPLE_DATA_SRC) | |
1228 | printf(" . data_src: 0x%"PRIx64"\n", sample->data_src); | |
9ede473c | 1229 | |
8780fb25 KL |
1230 | if (sample_type & PERF_SAMPLE_PHYS_ADDR) |
1231 | printf(" .. phys_addr: 0x%"PRIx64"\n", sample->phys_addr); | |
1232 | ||
475eeab9 AK |
1233 | if (sample_type & PERF_SAMPLE_TRANSACTION) |
1234 | printf("... transaction: %" PRIx64 "\n", sample->transaction); | |
1235 | ||
9ede473c JO |
1236 | if (sample_type & PERF_SAMPLE_READ) |
1237 | sample_read__printf(sample, evsel->attr.read_format); | |
9aefcab0 TG |
1238 | } |
1239 | ||
dac7f6b7 JO |
1240 | static void dump_read(struct perf_evsel *evsel, union perf_event *event) |
1241 | { | |
1242 | struct read_event *read_event = &event->read; | |
1243 | u64 read_format; | |
1244 | ||
1245 | if (!dump_trace) | |
1246 | return; | |
1247 | ||
1248 | printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid, | |
fc50e0ba | 1249 | perf_evsel__name(evsel), |
dac7f6b7 JO |
1250 | event->read.value); |
1251 | ||
f3c8d907 LY |
1252 | if (!evsel) |
1253 | return; | |
1254 | ||
dac7f6b7 JO |
1255 | read_format = evsel->attr.read_format; |
1256 | ||
1257 | if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) | |
1258 | printf("... time enabled : %" PRIu64 "\n", read_event->time_enabled); | |
1259 | ||
1260 | if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) | |
1261 | printf("... time running : %" PRIu64 "\n", read_event->time_running); | |
1262 | ||
1263 | if (read_format & PERF_FORMAT_ID) | |
1264 | printf("... id : %" PRIu64 "\n", read_event->id); | |
1265 | } | |
1266 | ||
54245fdc | 1267 | static struct machine *machines__find_for_cpumode(struct machines *machines, |
ef89325f AH |
1268 | union perf_event *event, |
1269 | struct perf_sample *sample) | |
743eb868 | 1270 | { |
ad85ace0 | 1271 | struct machine *machine; |
743eb868 | 1272 | |
7c0f4a41 | 1273 | if (perf_guest && |
473398a2 ACM |
1274 | ((sample->cpumode == PERF_RECORD_MISC_GUEST_KERNEL) || |
1275 | (sample->cpumode == PERF_RECORD_MISC_GUEST_USER))) { | |
7fb0a5ee ND |
1276 | u32 pid; |
1277 | ||
5c5e854b SE |
1278 | if (event->header.type == PERF_RECORD_MMAP |
1279 | || event->header.type == PERF_RECORD_MMAP2) | |
7fb0a5ee ND |
1280 | pid = event->mmap.pid; |
1281 | else | |
ef89325f | 1282 | pid = sample->pid; |
7fb0a5ee | 1283 | |
54245fdc | 1284 | machine = machines__find(machines, pid); |
ad85ace0 | 1285 | if (!machine) |
3caeaa56 | 1286 | machine = machines__findnew(machines, DEFAULT_GUEST_KERNEL_ID); |
ad85ace0 | 1287 | return machine; |
7fb0a5ee | 1288 | } |
743eb868 | 1289 | |
54245fdc | 1290 | return &machines->host; |
743eb868 ACM |
1291 | } |
1292 | ||
313e53b0 | 1293 | static int deliver_sample_value(struct perf_evlist *evlist, |
e4caec0d JO |
1294 | struct perf_tool *tool, |
1295 | union perf_event *event, | |
1296 | struct perf_sample *sample, | |
1297 | struct sample_read_value *v, | |
1298 | struct machine *machine) | |
1299 | { | |
313e53b0 | 1300 | struct perf_sample_id *sid = perf_evlist__id2sid(evlist, v->id); |
e4caec0d | 1301 | |
e4caec0d JO |
1302 | if (sid) { |
1303 | sample->id = v->id; | |
1304 | sample->period = v->value - sid->period; | |
1305 | sid->period = v->value; | |
1306 | } | |
1307 | ||
1308 | if (!sid || sid->evsel == NULL) { | |
313e53b0 | 1309 | ++evlist->stats.nr_unknown_id; |
e4caec0d JO |
1310 | return 0; |
1311 | } | |
1312 | ||
529c1a9e JO |
1313 | /* |
1314 | * There's no reason to deliver sample | |
1315 | * for zero period, bail out. | |
1316 | */ | |
1317 | if (!sample->period) | |
1318 | return 0; | |
1319 | ||
e4caec0d JO |
1320 | return tool->sample(tool, event, sample, sid->evsel, machine); |
1321 | } | |
1322 | ||
313e53b0 | 1323 | static int deliver_sample_group(struct perf_evlist *evlist, |
e4caec0d JO |
1324 | struct perf_tool *tool, |
1325 | union perf_event *event, | |
1326 | struct perf_sample *sample, | |
1327 | struct machine *machine) | |
1328 | { | |
1329 | int ret = -EINVAL; | |
1330 | u64 i; | |
1331 | ||
1332 | for (i = 0; i < sample->read.group.nr; i++) { | |
313e53b0 | 1333 | ret = deliver_sample_value(evlist, tool, event, sample, |
e4caec0d JO |
1334 | &sample->read.group.values[i], |
1335 | machine); | |
1336 | if (ret) | |
1337 | break; | |
1338 | } | |
1339 | ||
1340 | return ret; | |
1341 | } | |
1342 | ||
1343 | static int | |
313e53b0 | 1344 | perf_evlist__deliver_sample(struct perf_evlist *evlist, |
e4caec0d JO |
1345 | struct perf_tool *tool, |
1346 | union perf_event *event, | |
1347 | struct perf_sample *sample, | |
1348 | struct perf_evsel *evsel, | |
1349 | struct machine *machine) | |
1350 | { | |
1351 | /* We know evsel != NULL. */ | |
1352 | u64 sample_type = evsel->attr.sample_type; | |
1353 | u64 read_format = evsel->attr.read_format; | |
1354 | ||
d94386f2 | 1355 | /* Standard sample delivery. */ |
e4caec0d JO |
1356 | if (!(sample_type & PERF_SAMPLE_READ)) |
1357 | return tool->sample(tool, event, sample, evsel, machine); | |
1358 | ||
1359 | /* For PERF_SAMPLE_READ we have either single or group mode. */ | |
1360 | if (read_format & PERF_FORMAT_GROUP) | |
313e53b0 | 1361 | return deliver_sample_group(evlist, tool, event, sample, |
e4caec0d JO |
1362 | machine); |
1363 | else | |
313e53b0 | 1364 | return deliver_sample_value(evlist, tool, event, sample, |
e4caec0d JO |
1365 | &sample->read.one, machine); |
1366 | } | |
1367 | ||
d10eb1eb ACM |
1368 | static int machines__deliver_event(struct machines *machines, |
1369 | struct perf_evlist *evlist, | |
1370 | union perf_event *event, | |
1371 | struct perf_sample *sample, | |
1372 | struct perf_tool *tool, u64 file_offset) | |
cbf41645 | 1373 | { |
9e69c210 | 1374 | struct perf_evsel *evsel; |
743eb868 | 1375 | struct machine *machine; |
9e69c210 | 1376 | |
9fa8727a | 1377 | dump_event(evlist, event, file_offset, sample); |
532e7269 | 1378 | |
313e53b0 | 1379 | evsel = perf_evlist__id2evsel(evlist, sample->id); |
7b27509f | 1380 | |
fa713a4e | 1381 | machine = machines__find_for_cpumode(machines, event, sample); |
743eb868 | 1382 | |
cbf41645 TG |
1383 | switch (event->header.type) { |
1384 | case PERF_RECORD_SAMPLE: | |
9e69c210 | 1385 | if (evsel == NULL) { |
313e53b0 | 1386 | ++evlist->stats.nr_unknown_id; |
6782206b | 1387 | return 0; |
9e69c210 | 1388 | } |
1b29ac59 | 1389 | dump_sample(evsel, event, sample); |
0c095715 | 1390 | if (machine == NULL) { |
313e53b0 | 1391 | ++evlist->stats.nr_unprocessable_samples; |
6782206b | 1392 | return 0; |
0c095715 | 1393 | } |
313e53b0 | 1394 | return perf_evlist__deliver_sample(evlist, tool, event, sample, evsel, machine); |
cbf41645 | 1395 | case PERF_RECORD_MMAP: |
45694aa7 | 1396 | return tool->mmap(tool, event, sample, machine); |
5c5e854b | 1397 | case PERF_RECORD_MMAP2: |
930e6fcd KL |
1398 | if (event->header.misc & PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT) |
1399 | ++evlist->stats.nr_proc_map_timeout; | |
5c5e854b | 1400 | return tool->mmap2(tool, event, sample, machine); |
cbf41645 | 1401 | case PERF_RECORD_COMM: |
45694aa7 | 1402 | return tool->comm(tool, event, sample, machine); |
f3b3614a HB |
1403 | case PERF_RECORD_NAMESPACES: |
1404 | return tool->namespaces(tool, event, sample, machine); | |
cbf41645 | 1405 | case PERF_RECORD_FORK: |
45694aa7 | 1406 | return tool->fork(tool, event, sample, machine); |
cbf41645 | 1407 | case PERF_RECORD_EXIT: |
45694aa7 | 1408 | return tool->exit(tool, event, sample, machine); |
cbf41645 | 1409 | case PERF_RECORD_LOST: |
45694aa7 | 1410 | if (tool->lost == perf_event__process_lost) |
313e53b0 | 1411 | evlist->stats.total_lost += event->lost.lost; |
45694aa7 | 1412 | return tool->lost(tool, event, sample, machine); |
c4937a91 KL |
1413 | case PERF_RECORD_LOST_SAMPLES: |
1414 | if (tool->lost_samples == perf_event__process_lost_samples) | |
1415 | evlist->stats.total_lost_samples += event->lost_samples.lost; | |
1416 | return tool->lost_samples(tool, event, sample, machine); | |
cbf41645 | 1417 | case PERF_RECORD_READ: |
dac7f6b7 | 1418 | dump_read(evsel, event); |
45694aa7 | 1419 | return tool->read(tool, event, sample, evsel, machine); |
cbf41645 | 1420 | case PERF_RECORD_THROTTLE: |
45694aa7 | 1421 | return tool->throttle(tool, event, sample, machine); |
cbf41645 | 1422 | case PERF_RECORD_UNTHROTTLE: |
45694aa7 | 1423 | return tool->unthrottle(tool, event, sample, machine); |
4a96f7a0 | 1424 | case PERF_RECORD_AUX: |
05a1f47e AS |
1425 | if (tool->aux == perf_event__process_aux) { |
1426 | if (event->aux.flags & PERF_AUX_FLAG_TRUNCATED) | |
1427 | evlist->stats.total_aux_lost += 1; | |
1428 | if (event->aux.flags & PERF_AUX_FLAG_PARTIAL) | |
1429 | evlist->stats.total_aux_partial += 1; | |
1430 | } | |
4a96f7a0 | 1431 | return tool->aux(tool, event, sample, machine); |
0ad21f68 AH |
1432 | case PERF_RECORD_ITRACE_START: |
1433 | return tool->itrace_start(tool, event, sample, machine); | |
0286039f AH |
1434 | case PERF_RECORD_SWITCH: |
1435 | case PERF_RECORD_SWITCH_CPU_WIDE: | |
1436 | return tool->context_switch(tool, event, sample, machine); | |
9aa0bfa3 SL |
1437 | case PERF_RECORD_KSYMBOL: |
1438 | return tool->ksymbol(tool, event, sample, machine); | |
45178a92 SL |
1439 | case PERF_RECORD_BPF_EVENT: |
1440 | return tool->bpf_event(tool, event, sample, machine); | |
cbf41645 | 1441 | default: |
313e53b0 | 1442 | ++evlist->stats.nr_unknown_events; |
cbf41645 TG |
1443 | return -1; |
1444 | } | |
1445 | } | |
1446 | ||
c446870d AH |
1447 | static int perf_session__deliver_event(struct perf_session *session, |
1448 | union perf_event *event, | |
c446870d AH |
1449 | struct perf_tool *tool, |
1450 | u64 file_offset) | |
1451 | { | |
93d10af2 | 1452 | struct perf_sample sample; |
c446870d AH |
1453 | int ret; |
1454 | ||
93d10af2 JO |
1455 | ret = perf_evlist__parse_sample(session->evlist, event, &sample); |
1456 | if (ret) { | |
1457 | pr_err("Can't parse sample, err = %d\n", ret); | |
1458 | return ret; | |
1459 | } | |
1460 | ||
1461 | ret = auxtrace__process_event(session, event, &sample, tool); | |
c446870d AH |
1462 | if (ret < 0) |
1463 | return ret; | |
1464 | if (ret > 0) | |
1465 | return 0; | |
1466 | ||
1467 | return machines__deliver_event(&session->machines, session->evlist, | |
93d10af2 | 1468 | event, &sample, tool, file_offset); |
c446870d AH |
1469 | } |
1470 | ||
d5652d86 AH |
1471 | static s64 perf_session__process_user_event(struct perf_session *session, |
1472 | union perf_event *event, | |
d5652d86 | 1473 | u64 file_offset) |
06aae590 | 1474 | { |
d704ebda | 1475 | struct ordered_events *oe = &session->ordered_events; |
9870d780 | 1476 | struct perf_tool *tool = session->tool; |
f250b09c | 1477 | struct perf_sample sample = { .time = 0, }; |
8ceb41d7 | 1478 | int fd = perf_data__fd(session->data); |
10d0f086 ACM |
1479 | int err; |
1480 | ||
61a7773c AB |
1481 | if (event->header.type != PERF_RECORD_COMPRESSED || |
1482 | tool->compressed == perf_session__process_compressed_event_stub) | |
1483 | dump_event(session->evlist, event, file_offset, &sample); | |
06aae590 | 1484 | |
cbf41645 | 1485 | /* These events are processed right away */ |
06aae590 | 1486 | switch (event->header.type) { |
2c46dbb5 | 1487 | case PERF_RECORD_HEADER_ATTR: |
47c3d109 | 1488 | err = tool->attr(tool, event, &session->evlist); |
cfe1c414 | 1489 | if (err == 0) { |
7b56cce2 | 1490 | perf_session__set_id_hdr_size(session); |
cfe1c414 AH |
1491 | perf_session__set_comm_exec(session); |
1492 | } | |
10d0f086 | 1493 | return err; |
ffe77725 JO |
1494 | case PERF_RECORD_EVENT_UPDATE: |
1495 | return tool->event_update(tool, event, &session->evlist); | |
f67697bd JO |
1496 | case PERF_RECORD_HEADER_EVENT_TYPE: |
1497 | /* | |
1498 | * Depreceated, but we need to handle it for sake | |
1499 | * of old data files create in pipe mode. | |
1500 | */ | |
1501 | return 0; | |
9215545e TZ |
1502 | case PERF_RECORD_HEADER_TRACING_DATA: |
1503 | /* setup for reading amidst mmap */ | |
cc9784bd | 1504 | lseek(fd, file_offset, SEEK_SET); |
89f1688a | 1505 | return tool->tracing_data(session, event); |
c7929e47 | 1506 | case PERF_RECORD_HEADER_BUILD_ID: |
89f1688a | 1507 | return tool->build_id(session, event); |
d6b17beb | 1508 | case PERF_RECORD_FINISHED_ROUND: |
d704ebda | 1509 | return tool->finished_round(tool, event, oe); |
3c659eed | 1510 | case PERF_RECORD_ID_INDEX: |
89f1688a | 1511 | return tool->id_index(session, event); |
a16ac023 | 1512 | case PERF_RECORD_AUXTRACE_INFO: |
89f1688a | 1513 | return tool->auxtrace_info(session, event); |
a16ac023 AH |
1514 | case PERF_RECORD_AUXTRACE: |
1515 | /* setup for reading amidst mmap */ | |
1516 | lseek(fd, file_offset + event->header.size, SEEK_SET); | |
7336555a | 1517 | return tool->auxtrace(session, event); |
e9bf54d2 | 1518 | case PERF_RECORD_AUXTRACE_ERROR: |
85ed4729 | 1519 | perf_session__auxtrace_error_inc(session, event); |
89f1688a | 1520 | return tool->auxtrace_error(session, event); |
5f3339d2 | 1521 | case PERF_RECORD_THREAD_MAP: |
89f1688a | 1522 | return tool->thread_map(session, event); |
6640b6c2 | 1523 | case PERF_RECORD_CPU_MAP: |
89f1688a | 1524 | return tool->cpu_map(session, event); |
374fb9e3 | 1525 | case PERF_RECORD_STAT_CONFIG: |
89f1688a | 1526 | return tool->stat_config(session, event); |
d80518c9 | 1527 | case PERF_RECORD_STAT: |
89f1688a | 1528 | return tool->stat(session, event); |
2d8f0f18 | 1529 | case PERF_RECORD_STAT_ROUND: |
89f1688a | 1530 | return tool->stat_round(session, event); |
46bc29b9 AH |
1531 | case PERF_RECORD_TIME_CONV: |
1532 | session->time_conv = event->time_conv; | |
89f1688a | 1533 | return tool->time_conv(session, event); |
e9def1b2 | 1534 | case PERF_RECORD_HEADER_FEATURE: |
89f1688a | 1535 | return tool->feature(session, event); |
61a7773c AB |
1536 | case PERF_RECORD_COMPRESSED: |
1537 | err = tool->compressed(session, event, file_offset); | |
1538 | if (err) | |
1539 | dump_event(session->evlist, event, file_offset, &sample); | |
1540 | return err; | |
06aae590 | 1541 | default: |
ba74f064 | 1542 | return -EINVAL; |
06aae590 | 1543 | } |
ba74f064 TG |
1544 | } |
1545 | ||
a293829d AH |
1546 | int perf_session__deliver_synth_event(struct perf_session *session, |
1547 | union perf_event *event, | |
b7b61cbe | 1548 | struct perf_sample *sample) |
a293829d | 1549 | { |
fa713a4e | 1550 | struct perf_evlist *evlist = session->evlist; |
9870d780 | 1551 | struct perf_tool *tool = session->tool; |
fa713a4e ACM |
1552 | |
1553 | events_stats__inc(&evlist->stats, event->header.type); | |
a293829d AH |
1554 | |
1555 | if (event->header.type >= PERF_RECORD_USER_TYPE_START) | |
b7b61cbe | 1556 | return perf_session__process_user_event(session, event, 0); |
a293829d | 1557 | |
fa713a4e | 1558 | return machines__deliver_event(&session->machines, evlist, event, sample, tool, 0); |
a293829d AH |
1559 | } |
1560 | ||
268fb20f JO |
1561 | static void event_swap(union perf_event *event, bool sample_id_all) |
1562 | { | |
1563 | perf_event__swap_op swap; | |
1564 | ||
1565 | swap = perf_event__swap_ops[event->header.type]; | |
1566 | if (swap) | |
1567 | swap(event, sample_id_all); | |
1568 | } | |
1569 | ||
5a52f33a AH |
1570 | int perf_session__peek_event(struct perf_session *session, off_t file_offset, |
1571 | void *buf, size_t buf_sz, | |
1572 | union perf_event **event_ptr, | |
1573 | struct perf_sample *sample) | |
1574 | { | |
1575 | union perf_event *event; | |
1576 | size_t hdr_sz, rest; | |
1577 | int fd; | |
1578 | ||
1579 | if (session->one_mmap && !session->header.needs_swap) { | |
1580 | event = file_offset - session->one_mmap_offset + | |
1581 | session->one_mmap_addr; | |
1582 | goto out_parse_sample; | |
1583 | } | |
1584 | ||
8ceb41d7 | 1585 | if (perf_data__is_pipe(session->data)) |
5a52f33a AH |
1586 | return -1; |
1587 | ||
8ceb41d7 | 1588 | fd = perf_data__fd(session->data); |
5a52f33a AH |
1589 | hdr_sz = sizeof(struct perf_event_header); |
1590 | ||
1591 | if (buf_sz < hdr_sz) | |
1592 | return -1; | |
1593 | ||
1594 | if (lseek(fd, file_offset, SEEK_SET) == (off_t)-1 || | |
554e92ed | 1595 | readn(fd, buf, hdr_sz) != (ssize_t)hdr_sz) |
5a52f33a AH |
1596 | return -1; |
1597 | ||
1598 | event = (union perf_event *)buf; | |
1599 | ||
1600 | if (session->header.needs_swap) | |
1601 | perf_event_header__bswap(&event->header); | |
1602 | ||
554e92ed | 1603 | if (event->header.size < hdr_sz || event->header.size > buf_sz) |
5a52f33a AH |
1604 | return -1; |
1605 | ||
1606 | rest = event->header.size - hdr_sz; | |
1607 | ||
554e92ed | 1608 | if (readn(fd, buf, rest) != (ssize_t)rest) |
5a52f33a AH |
1609 | return -1; |
1610 | ||
1611 | if (session->header.needs_swap) | |
1612 | event_swap(event, perf_evlist__sample_id_all(session->evlist)); | |
1613 | ||
1614 | out_parse_sample: | |
1615 | ||
1616 | if (sample && event->header.type < PERF_RECORD_USER_TYPE_START && | |
1617 | perf_evlist__parse_sample(session->evlist, event, sample)) | |
1618 | return -1; | |
1619 | ||
1620 | *event_ptr = event; | |
1621 | ||
1622 | return 0; | |
1623 | } | |
1624 | ||
d5652d86 | 1625 | static s64 perf_session__process_event(struct perf_session *session, |
b7b61cbe | 1626 | union perf_event *event, u64 file_offset) |
ba74f064 | 1627 | { |
313e53b0 | 1628 | struct perf_evlist *evlist = session->evlist; |
9870d780 | 1629 | struct perf_tool *tool = session->tool; |
ba74f064 TG |
1630 | int ret; |
1631 | ||
268fb20f | 1632 | if (session->header.needs_swap) |
313e53b0 | 1633 | event_swap(event, perf_evlist__sample_id_all(evlist)); |
ba74f064 TG |
1634 | |
1635 | if (event->header.type >= PERF_RECORD_HEADER_MAX) | |
1636 | return -EINVAL; | |
1637 | ||
313e53b0 | 1638 | events_stats__inc(&evlist->stats, event->header.type); |
ba74f064 TG |
1639 | |
1640 | if (event->header.type >= PERF_RECORD_USER_TYPE_START) | |
b7b61cbe | 1641 | return perf_session__process_user_event(session, event, file_offset); |
cbf41645 | 1642 | |
0a8cb85c | 1643 | if (tool->ordered_events) { |
631e8f0a | 1644 | u64 timestamp = -1ULL; |
93d10af2 JO |
1645 | |
1646 | ret = perf_evlist__parse_sample_timestamp(evlist, event, ×tamp); | |
631e8f0a | 1647 | if (ret && ret != -1) |
93d10af2 JO |
1648 | return ret; |
1649 | ||
1650 | ret = perf_session__queue_event(session, event, timestamp, file_offset); | |
cbf41645 TG |
1651 | if (ret != -ETIME) |
1652 | return ret; | |
1653 | } | |
1654 | ||
93d10af2 | 1655 | return perf_session__deliver_event(session, event, tool, file_offset); |
06aae590 ACM |
1656 | } |
1657 | ||
316c7136 | 1658 | void perf_event_header__bswap(struct perf_event_header *hdr) |
ba21594c | 1659 | { |
316c7136 ACM |
1660 | hdr->type = bswap_32(hdr->type); |
1661 | hdr->misc = bswap_16(hdr->misc); | |
1662 | hdr->size = bswap_16(hdr->size); | |
ba21594c ACM |
1663 | } |
1664 | ||
b424eba2 ACM |
1665 | struct thread *perf_session__findnew(struct perf_session *session, pid_t pid) |
1666 | { | |
1fcb8768 | 1667 | return machine__findnew_thread(&session->machines.host, -1, pid); |
b424eba2 ACM |
1668 | } |
1669 | ||
b25756df AH |
1670 | /* |
1671 | * Threads are identified by pid and tid, and the idle task has pid == tid == 0. | |
1672 | * So here a single thread is created for that, but actually there is a separate | |
1673 | * idle task per cpu, so there should be one 'struct thread' per cpu, but there | |
1674 | * is only 1. That causes problems for some tools, requiring workarounds. For | |
1675 | * example get_idle_thread() in builtin-sched.c, or thread_stack__per_cpu(). | |
1676 | */ | |
9d8b172f | 1677 | int perf_session__register_idle_thread(struct perf_session *session) |
06aae590 | 1678 | { |
1fcb8768 | 1679 | struct thread *thread; |
9d8b172f | 1680 | int err = 0; |
06aae590 | 1681 | |
1fcb8768 | 1682 | thread = machine__findnew_thread(&session->machines.host, 0, 0); |
162f0bef | 1683 | if (thread == NULL || thread__set_comm(thread, "swapper", 0)) { |
06aae590 | 1684 | pr_err("problem inserting idle task.\n"); |
9d8b172f | 1685 | err = -1; |
06aae590 ACM |
1686 | } |
1687 | ||
f3b3614a HB |
1688 | if (thread == NULL || thread__set_namespaces(thread, 0, NULL)) { |
1689 | pr_err("problem inserting idle task.\n"); | |
1690 | err = -1; | |
1691 | } | |
1692 | ||
9d8b172f MH |
1693 | /* machine__findnew_thread() got the thread, so put it */ |
1694 | thread__put(thread); | |
1695 | return err; | |
06aae590 ACM |
1696 | } |
1697 | ||
f06149c0 WN |
1698 | static void |
1699 | perf_session__warn_order(const struct perf_session *session) | |
1700 | { | |
1701 | const struct ordered_events *oe = &session->ordered_events; | |
1702 | struct perf_evsel *evsel; | |
1703 | bool should_warn = true; | |
1704 | ||
1705 | evlist__for_each_entry(session->evlist, evsel) { | |
1706 | if (evsel->attr.write_backward) | |
1707 | should_warn = false; | |
1708 | } | |
1709 | ||
1710 | if (!should_warn) | |
1711 | return; | |
1712 | if (oe->nr_unordered_events != 0) | |
1713 | ui__warning("%u out of order events recorded.\n", oe->nr_unordered_events); | |
1714 | } | |
1715 | ||
9870d780 | 1716 | static void perf_session__warn_about_errors(const struct perf_session *session) |
11095994 | 1717 | { |
9870d780 | 1718 | const struct events_stats *stats = &session->evlist->stats; |
9870d780 ACM |
1719 | |
1720 | if (session->tool->lost == perf_event__process_lost && | |
ccda068f | 1721 | stats->nr_events[PERF_RECORD_LOST] != 0) { |
7b27509f ACM |
1722 | ui__warning("Processed %d events and lost %d chunks!\n\n" |
1723 | "Check IO/CPU overload!\n\n", | |
ccda068f ACM |
1724 | stats->nr_events[0], |
1725 | stats->nr_events[PERF_RECORD_LOST]); | |
11095994 ACM |
1726 | } |
1727 | ||
c4937a91 KL |
1728 | if (session->tool->lost_samples == perf_event__process_lost_samples) { |
1729 | double drop_rate; | |
1730 | ||
1731 | drop_rate = (double)stats->total_lost_samples / | |
1732 | (double) (stats->nr_events[PERF_RECORD_SAMPLE] + stats->total_lost_samples); | |
1733 | if (drop_rate > 0.05) { | |
41a43dac | 1734 | ui__warning("Processed %" PRIu64 " samples and lost %3.2f%%!\n\n", |
c4937a91 KL |
1735 | stats->nr_events[PERF_RECORD_SAMPLE] + stats->total_lost_samples, |
1736 | drop_rate * 100.0); | |
1737 | } | |
1738 | } | |
1739 | ||
a38f48e3 AH |
1740 | if (session->tool->aux == perf_event__process_aux && |
1741 | stats->total_aux_lost != 0) { | |
1742 | ui__warning("AUX data lost %" PRIu64 " times out of %u!\n\n", | |
1743 | stats->total_aux_lost, | |
1744 | stats->nr_events[PERF_RECORD_AUX]); | |
1745 | } | |
1746 | ||
05a1f47e AS |
1747 | if (session->tool->aux == perf_event__process_aux && |
1748 | stats->total_aux_partial != 0) { | |
1749 | bool vmm_exclusive = false; | |
1750 | ||
1751 | (void)sysfs__read_bool("module/kvm_intel/parameters/vmm_exclusive", | |
1752 | &vmm_exclusive); | |
1753 | ||
1754 | ui__warning("AUX data had gaps in it %" PRIu64 " times out of %u!\n\n" | |
1755 | "Are you running a KVM guest in the background?%s\n\n", | |
1756 | stats->total_aux_partial, | |
1757 | stats->nr_events[PERF_RECORD_AUX], | |
1758 | vmm_exclusive ? | |
1759 | "\nReloading kvm_intel module with vmm_exclusive=0\n" | |
1760 | "will reduce the gaps to only guest's timeslices." : | |
1761 | ""); | |
1762 | } | |
1763 | ||
ccda068f | 1764 | if (stats->nr_unknown_events != 0) { |
11095994 ACM |
1765 | ui__warning("Found %u unknown events!\n\n" |
1766 | "Is this an older tool processing a perf.data " | |
1767 | "file generated by a more recent tool?\n\n" | |
1768 | "If that is not the case, consider " | |
1769 | "reporting to linux-kernel@vger.kernel.org.\n\n", | |
ccda068f | 1770 | stats->nr_unknown_events); |
11095994 ACM |
1771 | } |
1772 | ||
ccda068f | 1773 | if (stats->nr_unknown_id != 0) { |
9e69c210 | 1774 | ui__warning("%u samples with id not present in the header\n", |
ccda068f | 1775 | stats->nr_unknown_id); |
9e69c210 ACM |
1776 | } |
1777 | ||
ccda068f | 1778 | if (stats->nr_invalid_chains != 0) { |
75be989a ACM |
1779 | ui__warning("Found invalid callchains!\n\n" |
1780 | "%u out of %u events were discarded for this reason.\n\n" | |
1781 | "Consider reporting to linux-kernel@vger.kernel.org.\n\n", | |
ccda068f ACM |
1782 | stats->nr_invalid_chains, |
1783 | stats->nr_events[PERF_RECORD_SAMPLE]); | |
75be989a | 1784 | } |
0c095715 | 1785 | |
ccda068f | 1786 | if (stats->nr_unprocessable_samples != 0) { |
0c095715 JR |
1787 | ui__warning("%u unprocessable samples recorded.\n" |
1788 | "Do you have a KVM guest running and not using 'perf kvm'?\n", | |
ccda068f | 1789 | stats->nr_unprocessable_samples); |
0c095715 | 1790 | } |
f61ff6c0 | 1791 | |
f06149c0 | 1792 | perf_session__warn_order(session); |
85ed4729 AH |
1793 | |
1794 | events_stats__auxtrace_error_warn(stats); | |
930e6fcd KL |
1795 | |
1796 | if (stats->nr_proc_map_timeout != 0) { | |
1797 | ui__warning("%d map information files for pre-existing threads were\n" | |
1798 | "not processed, if there are samples for addresses they\n" | |
1799 | "will not be resolved, you may find out which are these\n" | |
1800 | "threads by running with -v and redirecting the output\n" | |
9d9cad76 KL |
1801 | "to a file.\n" |
1802 | "The time limit to process proc map is too short?\n" | |
1803 | "Increase it by --proc-map-timeout\n", | |
930e6fcd KL |
1804 | stats->nr_proc_map_timeout); |
1805 | } | |
11095994 ACM |
1806 | } |
1807 | ||
a5499b37 AH |
1808 | static int perf_session__flush_thread_stack(struct thread *thread, |
1809 | void *p __maybe_unused) | |
1810 | { | |
1811 | return thread_stack__flush(thread); | |
1812 | } | |
1813 | ||
1814 | static int perf_session__flush_thread_stacks(struct perf_session *session) | |
1815 | { | |
1816 | return machines__for_each_thread(&session->machines, | |
1817 | perf_session__flush_thread_stack, | |
1818 | NULL); | |
1819 | } | |
1820 | ||
8dc58101 TZ |
1821 | volatile int session_done; |
1822 | ||
cb62c6f1 AB |
1823 | static int __perf_session__process_decomp_events(struct perf_session *session); |
1824 | ||
b7b61cbe | 1825 | static int __perf_session__process_pipe_events(struct perf_session *session) |
8dc58101 | 1826 | { |
fa713a4e | 1827 | struct ordered_events *oe = &session->ordered_events; |
9870d780 | 1828 | struct perf_tool *tool = session->tool; |
8ceb41d7 | 1829 | int fd = perf_data__fd(session->data); |
444d2866 SE |
1830 | union perf_event *event; |
1831 | uint32_t size, cur_size = 0; | |
1832 | void *buf = NULL; | |
d5652d86 | 1833 | s64 skip = 0; |
8dc58101 | 1834 | u64 head; |
727ebd54 | 1835 | ssize_t err; |
8dc58101 TZ |
1836 | void *p; |
1837 | ||
45694aa7 | 1838 | perf_tool__fill_defaults(tool); |
8dc58101 TZ |
1839 | |
1840 | head = 0; | |
444d2866 SE |
1841 | cur_size = sizeof(union perf_event); |
1842 | ||
1843 | buf = malloc(cur_size); | |
1844 | if (!buf) | |
1845 | return -errno; | |
1e0d4f02 | 1846 | ordered_events__set_copy_on_queue(oe, true); |
8dc58101 | 1847 | more: |
444d2866 | 1848 | event = buf; |
cc9784bd | 1849 | err = readn(fd, event, sizeof(struct perf_event_header)); |
8dc58101 TZ |
1850 | if (err <= 0) { |
1851 | if (err == 0) | |
1852 | goto done; | |
1853 | ||
1854 | pr_err("failed to read event header\n"); | |
1855 | goto out_err; | |
1856 | } | |
1857 | ||
316c7136 | 1858 | if (session->header.needs_swap) |
444d2866 | 1859 | perf_event_header__bswap(&event->header); |
8dc58101 | 1860 | |
444d2866 | 1861 | size = event->header.size; |
27389d78 AH |
1862 | if (size < sizeof(struct perf_event_header)) { |
1863 | pr_err("bad event header size\n"); | |
1864 | goto out_err; | |
1865 | } | |
8dc58101 | 1866 | |
444d2866 SE |
1867 | if (size > cur_size) { |
1868 | void *new = realloc(buf, size); | |
1869 | if (!new) { | |
1870 | pr_err("failed to allocate memory to read event\n"); | |
1871 | goto out_err; | |
1872 | } | |
1873 | buf = new; | |
1874 | cur_size = size; | |
1875 | event = buf; | |
1876 | } | |
1877 | p = event; | |
8dc58101 TZ |
1878 | p += sizeof(struct perf_event_header); |
1879 | ||
794e43b5 | 1880 | if (size - sizeof(struct perf_event_header)) { |
cc9784bd | 1881 | err = readn(fd, p, size - sizeof(struct perf_event_header)); |
794e43b5 TZ |
1882 | if (err <= 0) { |
1883 | if (err == 0) { | |
1884 | pr_err("unexpected end of event stream\n"); | |
1885 | goto done; | |
1886 | } | |
8dc58101 | 1887 | |
794e43b5 TZ |
1888 | pr_err("failed to read event data\n"); |
1889 | goto out_err; | |
1890 | } | |
8dc58101 TZ |
1891 | } |
1892 | ||
b7b61cbe | 1893 | if ((skip = perf_session__process_event(session, event, head)) < 0) { |
9389a460 | 1894 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", |
444d2866 | 1895 | head, event->header.size, event->header.type); |
9389a460 JO |
1896 | err = -EINVAL; |
1897 | goto out_err; | |
8dc58101 TZ |
1898 | } |
1899 | ||
1900 | head += size; | |
1901 | ||
8dc58101 TZ |
1902 | if (skip > 0) |
1903 | head += skip; | |
1904 | ||
cb62c6f1 AB |
1905 | err = __perf_session__process_decomp_events(session); |
1906 | if (err) | |
1907 | goto out_err; | |
1908 | ||
8dc58101 TZ |
1909 | if (!session_done()) |
1910 | goto more; | |
1911 | done: | |
8c16b649 | 1912 | /* do the final flush for ordered samples */ |
b7b61cbe | 1913 | err = ordered_events__flush(oe, OE_FLUSH__FINAL); |
c446870d AH |
1914 | if (err) |
1915 | goto out_err; | |
1916 | err = auxtrace__flush_events(session, tool); | |
a5499b37 AH |
1917 | if (err) |
1918 | goto out_err; | |
1919 | err = perf_session__flush_thread_stacks(session); | |
8dc58101 | 1920 | out_err: |
444d2866 | 1921 | free(buf); |
075ca1eb JO |
1922 | if (!tool->no_warn) |
1923 | perf_session__warn_about_errors(session); | |
adc56ed1 | 1924 | ordered_events__free(&session->ordered_events); |
c446870d | 1925 | auxtrace__free_events(session); |
8dc58101 TZ |
1926 | return err; |
1927 | } | |
1928 | ||
998bedc8 FW |
1929 | static union perf_event * |
1930 | fetch_mmaped_event(struct perf_session *session, | |
1931 | u64 head, size_t mmap_size, char *buf) | |
1932 | { | |
1933 | union perf_event *event; | |
1934 | ||
1935 | /* | |
1936 | * Ensure we have enough space remaining to read | |
1937 | * the size of the event in the headers. | |
1938 | */ | |
1939 | if (head + sizeof(event->header) > mmap_size) | |
1940 | return NULL; | |
1941 | ||
1942 | event = (union perf_event *)(buf + head); | |
1943 | ||
1944 | if (session->header.needs_swap) | |
1945 | perf_event_header__bswap(&event->header); | |
1946 | ||
27389d78 AH |
1947 | if (head + event->header.size > mmap_size) { |
1948 | /* We're not fetching the event so swap back again */ | |
1949 | if (session->header.needs_swap) | |
1950 | perf_event_header__bswap(&event->header); | |
998bedc8 | 1951 | return NULL; |
27389d78 | 1952 | } |
998bedc8 FW |
1953 | |
1954 | return event; | |
1955 | } | |
1956 | ||
cb62c6f1 AB |
1957 | static int __perf_session__process_decomp_events(struct perf_session *session) |
1958 | { | |
1959 | s64 skip; | |
1960 | u64 size, file_pos = 0; | |
1961 | struct decomp *decomp = session->decomp_last; | |
1962 | ||
1963 | if (!decomp) | |
1964 | return 0; | |
1965 | ||
1966 | while (decomp->head < decomp->size && !session_done()) { | |
1967 | union perf_event *event = fetch_mmaped_event(session, decomp->head, decomp->size, decomp->data); | |
1968 | ||
1969 | if (!event) | |
1970 | break; | |
1971 | ||
1972 | size = event->header.size; | |
1973 | ||
1974 | if (size < sizeof(struct perf_event_header) || | |
1975 | (skip = perf_session__process_event(session, event, file_pos)) < 0) { | |
1976 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", | |
1977 | decomp->file_pos + decomp->head, event->header.size, event->header.type); | |
1978 | return -EINVAL; | |
1979 | } | |
1980 | ||
1981 | if (skip) | |
1982 | size += skip; | |
1983 | ||
1984 | decomp->head += size; | |
1985 | } | |
1986 | ||
1987 | return 0; | |
1988 | } | |
1989 | ||
35d48ddf DM |
1990 | /* |
1991 | * On 64bit we can mmap the data file in one go. No need for tiny mmap | |
1992 | * slices. On 32bit we use 32MB. | |
1993 | */ | |
1994 | #if BITS_PER_LONG == 64 | |
1995 | #define MMAP_SIZE ULLONG_MAX | |
1996 | #define NUM_MMAPS 1 | |
1997 | #else | |
1998 | #define MMAP_SIZE (32 * 1024 * 1024ULL) | |
1999 | #define NUM_MMAPS 128 | |
2000 | #endif | |
2001 | ||
e51f8061 JO |
2002 | struct reader; |
2003 | ||
2004 | typedef s64 (*reader_cb_t)(struct perf_session *session, | |
2005 | union perf_event *event, | |
2006 | u64 file_offset); | |
2007 | ||
82715eb1 | 2008 | struct reader { |
e51f8061 JO |
2009 | int fd; |
2010 | u64 data_size; | |
2011 | u64 data_offset; | |
2012 | reader_cb_t process; | |
82715eb1 JO |
2013 | }; |
2014 | ||
3c7b67b2 JO |
2015 | static int |
2016 | reader__process_events(struct reader *rd, struct perf_session *session, | |
2017 | struct ui_progress *prog) | |
06aae590 | 2018 | { |
3c7b67b2 | 2019 | u64 data_size = rd->data_size; |
d5652d86 | 2020 | u64 head, page_offset, file_offset, file_pos, size; |
3c7b67b2 | 2021 | int err = 0, mmap_prot, mmap_flags, map_idx = 0; |
0c1fe6b2 | 2022 | size_t mmap_size; |
35d48ddf | 2023 | char *buf, *mmaps[NUM_MMAPS]; |
8115d60c | 2024 | union perf_event *event; |
d5652d86 | 2025 | s64 skip; |
0331ee0c | 2026 | |
3c7b67b2 | 2027 | page_offset = page_size * (rd->data_offset / page_size); |
0331ee0c | 2028 | file_offset = page_offset; |
3c7b67b2 | 2029 | head = rd->data_offset - page_offset; |
06aae590 | 2030 | |
3c7b67b2 | 2031 | ui_progress__init_size(prog, data_size, "Processing events..."); |
381c02f6 | 2032 | |
3c7b67b2 | 2033 | data_size += rd->data_offset; |
55b44629 | 2034 | |
35d48ddf | 2035 | mmap_size = MMAP_SIZE; |
4f5a473d JO |
2036 | if (mmap_size > data_size) { |
2037 | mmap_size = data_size; | |
919d86d3 AH |
2038 | session->one_mmap = true; |
2039 | } | |
55b44629 | 2040 | |
fe174207 TG |
2041 | memset(mmaps, 0, sizeof(mmaps)); |
2042 | ||
ba21594c ACM |
2043 | mmap_prot = PROT_READ; |
2044 | mmap_flags = MAP_SHARED; | |
2045 | ||
0331ee0c | 2046 | if (session->header.needs_swap) { |
ba21594c ACM |
2047 | mmap_prot |= PROT_WRITE; |
2048 | mmap_flags = MAP_PRIVATE; | |
2049 | } | |
06aae590 | 2050 | remap: |
3c7b67b2 | 2051 | buf = mmap(NULL, mmap_size, mmap_prot, mmap_flags, rd->fd, |
55b44629 | 2052 | file_offset); |
06aae590 ACM |
2053 | if (buf == MAP_FAILED) { |
2054 | pr_err("failed to mmap file\n"); | |
2055 | err = -errno; | |
3c7b67b2 | 2056 | goto out; |
06aae590 | 2057 | } |
fe174207 TG |
2058 | mmaps[map_idx] = buf; |
2059 | map_idx = (map_idx + 1) & (ARRAY_SIZE(mmaps) - 1); | |
d6513281 | 2060 | file_pos = file_offset + head; |
919d86d3 AH |
2061 | if (session->one_mmap) { |
2062 | session->one_mmap_addr = buf; | |
2063 | session->one_mmap_offset = file_offset; | |
2064 | } | |
06aae590 ACM |
2065 | |
2066 | more: | |
998bedc8 FW |
2067 | event = fetch_mmaped_event(session, head, mmap_size, buf); |
2068 | if (!event) { | |
fe174207 TG |
2069 | if (mmaps[map_idx]) { |
2070 | munmap(mmaps[map_idx], mmap_size); | |
2071 | mmaps[map_idx] = NULL; | |
2072 | } | |
06aae590 | 2073 | |
0331ee0c TG |
2074 | page_offset = page_size * (head / page_size); |
2075 | file_offset += page_offset; | |
2076 | head -= page_offset; | |
06aae590 ACM |
2077 | goto remap; |
2078 | } | |
2079 | ||
2080 | size = event->header.size; | |
2081 | ||
167e418f TR |
2082 | skip = -EINVAL; |
2083 | ||
27389d78 | 2084 | if (size < sizeof(struct perf_event_header) || |
e51f8061 | 2085 | (skip = rd->process(session, event, file_pos)) < 0) { |
167e418f | 2086 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d [%s]\n", |
9389a460 | 2087 | file_offset + head, event->header.size, |
167e418f TR |
2088 | event->header.type, strerror(-skip)); |
2089 | err = skip; | |
3c7b67b2 | 2090 | goto out; |
06aae590 ACM |
2091 | } |
2092 | ||
6f917c70 AH |
2093 | if (skip) |
2094 | size += skip; | |
2095 | ||
06aae590 | 2096 | head += size; |
d6513281 | 2097 | file_pos += size; |
06aae590 | 2098 | |
cb62c6f1 AB |
2099 | err = __perf_session__process_decomp_events(session); |
2100 | if (err) | |
2101 | goto out; | |
2102 | ||
3c7b67b2 | 2103 | ui_progress__update(prog, size); |
55b44629 | 2104 | |
33e940a2 | 2105 | if (session_done()) |
8c16b649 | 2106 | goto out; |
33e940a2 | 2107 | |
4f5a473d | 2108 | if (file_pos < data_size) |
06aae590 | 2109 | goto more; |
d6513281 | 2110 | |
8c16b649 | 2111 | out: |
3c7b67b2 JO |
2112 | return err; |
2113 | } | |
2114 | ||
e51f8061 JO |
2115 | static s64 process_simple(struct perf_session *session, |
2116 | union perf_event *event, | |
2117 | u64 file_offset) | |
2118 | { | |
2119 | return perf_session__process_event(session, event, file_offset); | |
2120 | } | |
2121 | ||
3c7b67b2 JO |
2122 | static int __perf_session__process_events(struct perf_session *session) |
2123 | { | |
2124 | struct reader rd = { | |
2125 | .fd = perf_data__fd(session->data), | |
2126 | .data_size = session->header.data_size, | |
2127 | .data_offset = session->header.data_offset, | |
e51f8061 | 2128 | .process = process_simple, |
3c7b67b2 JO |
2129 | }; |
2130 | struct ordered_events *oe = &session->ordered_events; | |
2131 | struct perf_tool *tool = session->tool; | |
2132 | struct ui_progress prog; | |
2133 | int err; | |
2134 | ||
2135 | perf_tool__fill_defaults(tool); | |
2136 | ||
2137 | if (rd.data_size == 0) | |
2138 | return -1; | |
2139 | ||
2140 | ui_progress__init_size(&prog, rd.data_size, "Processing events..."); | |
2141 | ||
2142 | err = reader__process_events(&rd, session, &prog); | |
2143 | if (err) | |
2144 | goto out_err; | |
c61e52ee | 2145 | /* do the final flush for ordered samples */ |
b7b61cbe | 2146 | err = ordered_events__flush(oe, OE_FLUSH__FINAL); |
c446870d AH |
2147 | if (err) |
2148 | goto out_err; | |
2149 | err = auxtrace__flush_events(session, tool); | |
a5499b37 AH |
2150 | if (err) |
2151 | goto out_err; | |
2152 | err = perf_session__flush_thread_stacks(session); | |
06aae590 | 2153 | out_err: |
a5580f3e | 2154 | ui_progress__finish(); |
075ca1eb JO |
2155 | if (!tool->no_warn) |
2156 | perf_session__warn_about_errors(session); | |
b26dc730 WN |
2157 | /* |
2158 | * We may switching perf.data output, make ordered_events | |
2159 | * reusable. | |
2160 | */ | |
2161 | ordered_events__reinit(&session->ordered_events); | |
c446870d | 2162 | auxtrace__free_events(session); |
919d86d3 | 2163 | session->one_mmap = false; |
06aae590 ACM |
2164 | return err; |
2165 | } | |
27295592 | 2166 | |
b7b61cbe | 2167 | int perf_session__process_events(struct perf_session *session) |
6122e4e4 | 2168 | { |
9d8b172f | 2169 | if (perf_session__register_idle_thread(session) < 0) |
6122e4e4 ACM |
2170 | return -ENOMEM; |
2171 | ||
7ba4da10 JO |
2172 | if (perf_data__is_pipe(session->data)) |
2173 | return __perf_session__process_pipe_events(session); | |
88ca895d | 2174 | |
7ba4da10 | 2175 | return __perf_session__process_events(session); |
6122e4e4 ACM |
2176 | } |
2177 | ||
7f3be652 | 2178 | bool perf_session__has_traces(struct perf_session *session, const char *msg) |
27295592 | 2179 | { |
93ea01c2 DA |
2180 | struct perf_evsel *evsel; |
2181 | ||
e5cadb93 | 2182 | evlist__for_each_entry(session->evlist, evsel) { |
93ea01c2 DA |
2183 | if (evsel->attr.type == PERF_TYPE_TRACEPOINT) |
2184 | return true; | |
27295592 ACM |
2185 | } |
2186 | ||
93ea01c2 DA |
2187 | pr_err("No trace sample to read. Did you call 'perf %s'?\n", msg); |
2188 | return false; | |
27295592 | 2189 | } |
56b03f3c | 2190 | |
3183f8ca | 2191 | int map__set_kallsyms_ref_reloc_sym(struct map *map, const char *symbol_name, u64 addr) |
56b03f3c ACM |
2192 | { |
2193 | char *bracket; | |
a1645ce1 | 2194 | struct ref_reloc_sym *ref; |
3183f8ca | 2195 | struct kmap *kmap; |
a1645ce1 ZY |
2196 | |
2197 | ref = zalloc(sizeof(struct ref_reloc_sym)); | |
2198 | if (ref == NULL) | |
2199 | return -ENOMEM; | |
56b03f3c | 2200 | |
a1645ce1 ZY |
2201 | ref->name = strdup(symbol_name); |
2202 | if (ref->name == NULL) { | |
2203 | free(ref); | |
56b03f3c | 2204 | return -ENOMEM; |
a1645ce1 | 2205 | } |
56b03f3c | 2206 | |
a1645ce1 | 2207 | bracket = strchr(ref->name, ']'); |
56b03f3c ACM |
2208 | if (bracket) |
2209 | *bracket = '\0'; | |
2210 | ||
a1645ce1 | 2211 | ref->addr = addr; |
9de89fe7 | 2212 | |
3183f8ca ACM |
2213 | kmap = map__kmap(map); |
2214 | if (kmap) | |
a1645ce1 | 2215 | kmap->ref_reloc_sym = ref; |
9de89fe7 | 2216 | |
56b03f3c ACM |
2217 | return 0; |
2218 | } | |
1f626bc3 | 2219 | |
316c7136 | 2220 | size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp) |
1f626bc3 | 2221 | { |
316c7136 | 2222 | return machines__fprintf_dsos(&session->machines, fp); |
1f626bc3 | 2223 | } |
f869097e | 2224 | |
316c7136 | 2225 | size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, |
417c2ff6 | 2226 | bool (skip)(struct dso *dso, int parm), int parm) |
f869097e | 2227 | { |
316c7136 | 2228 | return machines__fprintf_dsos_buildid(&session->machines, fp, skip, parm); |
f869097e | 2229 | } |
e248de33 ACM |
2230 | |
2231 | size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp) | |
2232 | { | |
c446870d AH |
2233 | size_t ret; |
2234 | const char *msg = ""; | |
2235 | ||
2236 | if (perf_header__has_feat(&session->header, HEADER_AUXTRACE)) | |
2237 | msg = " (excludes AUX area (e.g. instruction trace) decoded / synthesized events)"; | |
2238 | ||
fe692ac8 | 2239 | ret = fprintf(fp, "\nAggregated stats:%s\n", msg); |
e248de33 | 2240 | |
75be989a | 2241 | ret += events_stats__fprintf(&session->evlist->stats, fp); |
e248de33 ACM |
2242 | return ret; |
2243 | } | |
c0230b2b | 2244 | |
b424eba2 ACM |
2245 | size_t perf_session__fprintf(struct perf_session *session, FILE *fp) |
2246 | { | |
2247 | /* | |
2248 | * FIXME: Here we have to actually print all the machines in this | |
2249 | * session, not just the host... | |
2250 | */ | |
876650e6 | 2251 | return machine__fprintf(&session->machines.host, fp); |
b424eba2 ACM |
2252 | } |
2253 | ||
9cbdb702 DA |
2254 | struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, |
2255 | unsigned int type) | |
2256 | { | |
2257 | struct perf_evsel *pos; | |
2258 | ||
e5cadb93 | 2259 | evlist__for_each_entry(session->evlist, pos) { |
9cbdb702 DA |
2260 | if (pos->attr.type == type) |
2261 | return pos; | |
2262 | } | |
2263 | return NULL; | |
2264 | } | |
2265 | ||
5d67be97 AB |
2266 | int perf_session__cpu_bitmap(struct perf_session *session, |
2267 | const char *cpu_list, unsigned long *cpu_bitmap) | |
2268 | { | |
8bac41cb | 2269 | int i, err = -1; |
5d67be97 AB |
2270 | struct cpu_map *map; |
2271 | ||
2272 | for (i = 0; i < PERF_TYPE_MAX; ++i) { | |
2273 | struct perf_evsel *evsel; | |
2274 | ||
2275 | evsel = perf_session__find_first_evtype(session, i); | |
2276 | if (!evsel) | |
2277 | continue; | |
2278 | ||
2279 | if (!(evsel->attr.sample_type & PERF_SAMPLE_CPU)) { | |
2280 | pr_err("File does not contain CPU events. " | |
30795467 | 2281 | "Remove -C option to proceed.\n"); |
5d67be97 AB |
2282 | return -1; |
2283 | } | |
2284 | } | |
2285 | ||
2286 | map = cpu_map__new(cpu_list); | |
47fbe53b DA |
2287 | if (map == NULL) { |
2288 | pr_err("Invalid cpu_list\n"); | |
2289 | return -1; | |
2290 | } | |
5d67be97 AB |
2291 | |
2292 | for (i = 0; i < map->nr; i++) { | |
2293 | int cpu = map->map[i]; | |
2294 | ||
2295 | if (cpu >= MAX_NR_CPUS) { | |
2296 | pr_err("Requested CPU %d too large. " | |
2297 | "Consider raising MAX_NR_CPUS\n", cpu); | |
8bac41cb | 2298 | goto out_delete_map; |
5d67be97 AB |
2299 | } |
2300 | ||
2301 | set_bit(cpu, cpu_bitmap); | |
2302 | } | |
2303 | ||
8bac41cb SF |
2304 | err = 0; |
2305 | ||
2306 | out_delete_map: | |
f30a79b0 | 2307 | cpu_map__put(map); |
8bac41cb | 2308 | return err; |
5d67be97 | 2309 | } |
fbe96f29 SE |
2310 | |
2311 | void perf_session__fprintf_info(struct perf_session *session, FILE *fp, | |
2312 | bool full) | |
2313 | { | |
fbe96f29 SE |
2314 | if (session == NULL || fp == NULL) |
2315 | return; | |
2316 | ||
fbe96f29 | 2317 | fprintf(fp, "# ========\n"); |
fbe96f29 SE |
2318 | perf_header__fprintf_info(session, fp, full); |
2319 | fprintf(fp, "# ========\n#\n"); | |
2320 | } | |
da378962 ACM |
2321 | |
2322 | ||
2323 | int __perf_session__set_tracepoints_handlers(struct perf_session *session, | |
2324 | const struct perf_evsel_str_handler *assocs, | |
2325 | size_t nr_assocs) | |
2326 | { | |
da378962 | 2327 | struct perf_evsel *evsel; |
da378962 ACM |
2328 | size_t i; |
2329 | int err; | |
2330 | ||
2331 | for (i = 0; i < nr_assocs; i++) { | |
ccf53eac ACM |
2332 | /* |
2333 | * Adding a handler for an event not in the session, | |
2334 | * just ignore it. | |
2335 | */ | |
2336 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, assocs[i].name); | |
da378962 | 2337 | if (evsel == NULL) |
ccf53eac | 2338 | continue; |
da378962 ACM |
2339 | |
2340 | err = -EEXIST; | |
744a9719 | 2341 | if (evsel->handler != NULL) |
ccf53eac | 2342 | goto out; |
744a9719 | 2343 | evsel->handler = assocs[i].handler; |
da378962 ACM |
2344 | } |
2345 | ||
2346 | err = 0; | |
2347 | out: | |
2348 | return err; | |
da378962 | 2349 | } |
3c659eed | 2350 | |
89f1688a JO |
2351 | int perf_event__process_id_index(struct perf_session *session, |
2352 | union perf_event *event) | |
3c659eed AH |
2353 | { |
2354 | struct perf_evlist *evlist = session->evlist; | |
2355 | struct id_index_event *ie = &event->id_index; | |
2356 | size_t i, nr, max_nr; | |
2357 | ||
2358 | max_nr = (ie->header.size - sizeof(struct id_index_event)) / | |
2359 | sizeof(struct id_index_entry); | |
2360 | nr = ie->nr; | |
2361 | if (nr > max_nr) | |
2362 | return -EINVAL; | |
2363 | ||
2364 | if (dump_trace) | |
2365 | fprintf(stdout, " nr: %zu\n", nr); | |
2366 | ||
2367 | for (i = 0; i < nr; i++) { | |
2368 | struct id_index_entry *e = &ie->entries[i]; | |
2369 | struct perf_sample_id *sid; | |
2370 | ||
2371 | if (dump_trace) { | |
2372 | fprintf(stdout, " ... id: %"PRIu64, e->id); | |
2373 | fprintf(stdout, " idx: %"PRIu64, e->idx); | |
2374 | fprintf(stdout, " cpu: %"PRId64, e->cpu); | |
2375 | fprintf(stdout, " tid: %"PRId64"\n", e->tid); | |
2376 | } | |
2377 | ||
2378 | sid = perf_evlist__id2sid(evlist, e->id); | |
2379 | if (!sid) | |
2380 | return -ENOENT; | |
2381 | sid->idx = e->idx; | |
2382 | sid->cpu = e->cpu; | |
2383 | sid->tid = e->tid; | |
2384 | } | |
2385 | return 0; | |
2386 | } | |
2387 | ||
2388 | int perf_event__synthesize_id_index(struct perf_tool *tool, | |
2389 | perf_event__handler_t process, | |
2390 | struct perf_evlist *evlist, | |
2391 | struct machine *machine) | |
2392 | { | |
2393 | union perf_event *ev; | |
2394 | struct perf_evsel *evsel; | |
2395 | size_t nr = 0, i = 0, sz, max_nr, n; | |
2396 | int err; | |
2397 | ||
2398 | pr_debug2("Synthesizing id index\n"); | |
2399 | ||
2400 | max_nr = (UINT16_MAX - sizeof(struct id_index_event)) / | |
2401 | sizeof(struct id_index_entry); | |
2402 | ||
e5cadb93 | 2403 | evlist__for_each_entry(evlist, evsel) |
3c659eed AH |
2404 | nr += evsel->ids; |
2405 | ||
2406 | n = nr > max_nr ? max_nr : nr; | |
2407 | sz = sizeof(struct id_index_event) + n * sizeof(struct id_index_entry); | |
2408 | ev = zalloc(sz); | |
2409 | if (!ev) | |
2410 | return -ENOMEM; | |
2411 | ||
2412 | ev->id_index.header.type = PERF_RECORD_ID_INDEX; | |
2413 | ev->id_index.header.size = sz; | |
2414 | ev->id_index.nr = n; | |
2415 | ||
e5cadb93 | 2416 | evlist__for_each_entry(evlist, evsel) { |
3c659eed AH |
2417 | u32 j; |
2418 | ||
2419 | for (j = 0; j < evsel->ids; j++) { | |
2420 | struct id_index_entry *e; | |
2421 | struct perf_sample_id *sid; | |
2422 | ||
2423 | if (i >= n) { | |
2424 | err = process(tool, ev, NULL, machine); | |
2425 | if (err) | |
2426 | goto out_err; | |
2427 | nr -= n; | |
2428 | i = 0; | |
2429 | } | |
2430 | ||
2431 | e = &ev->id_index.entries[i++]; | |
2432 | ||
2433 | e->id = evsel->id[j]; | |
2434 | ||
2435 | sid = perf_evlist__id2sid(evlist, e->id); | |
2436 | if (!sid) { | |
2437 | free(ev); | |
2438 | return -ENOENT; | |
2439 | } | |
2440 | ||
2441 | e->idx = sid->idx; | |
2442 | e->cpu = sid->cpu; | |
2443 | e->tid = sid->tid; | |
2444 | } | |
2445 | } | |
2446 | ||
2447 | sz = sizeof(struct id_index_event) + nr * sizeof(struct id_index_entry); | |
2448 | ev->id_index.header.size = sz; | |
2449 | ev->id_index.nr = nr; | |
2450 | ||
2451 | err = process(tool, ev, NULL, machine); | |
2452 | out_err: | |
2453 | free(ev); | |
2454 | ||
2455 | return err; | |
2456 | } |