Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
a43783ae | 2 | #include <errno.h> |
057929f9 | 3 | #include <signal.h> |
fd20e811 | 4 | #include <inttypes.h> |
57fc032a | 5 | #include <linux/err.h> |
94c744b6 | 6 | #include <linux/kernel.h> |
7f7c536f | 7 | #include <linux/zalloc.h> |
05a1f47e | 8 | #include <api/fs/fs.h> |
94c744b6 | 9 | |
ba21594c | 10 | #include <byteswap.h> |
94c744b6 ACM |
11 | #include <unistd.h> |
12 | #include <sys/types.h> | |
a41794cd | 13 | #include <sys/mman.h> |
9c3516d1 | 14 | #include <perf/cpumap.h> |
94c744b6 | 15 | |
d3300a3c ACM |
16 | #include "map_symbol.h" |
17 | #include "branch.h" | |
b4209025 | 18 | #include "debug.h" |
83869019 | 19 | #include "env.h" |
e248de33 ACM |
20 | #include "evlist.h" |
21 | #include "evsel.h" | |
98521b38 | 22 | #include "memswap.h" |
1101f69a | 23 | #include "map.h" |
daecf9e0 | 24 | #include "symbol.h" |
94c744b6 | 25 | #include "session.h" |
45694aa7 | 26 | #include "tool.h" |
0f6a3015 | 27 | #include "perf_regs.h" |
b0a45203 | 28 | #include "asm/bug.h" |
c446870d | 29 | #include "auxtrace.h" |
e7ff8920 | 30 | #include "thread.h" |
a5499b37 | 31 | #include "thread-stack.h" |
93115d32 | 32 | #include "sample-raw.h" |
2d2aea6a | 33 | #include "stat.h" |
81e70d7e | 34 | #include "tsc.h" |
171f7474 | 35 | #include "ui/progress.h" |
ea0c5239 | 36 | #include "util.h" |
ec1891af | 37 | #include "arch/common.h" |
6b9bae63 | 38 | #include "units.h" |
fb71c86c | 39 | #include <internal/lib.h> |
94c744b6 | 40 | |
cb62c6f1 AB |
41 | #ifdef HAVE_ZSTD_SUPPORT |
42 | static int perf_session__process_compressed_event(struct perf_session *session, | |
2292083f AB |
43 | union perf_event *event, u64 file_offset, |
44 | const char *file_path) | |
cb62c6f1 AB |
45 | { |
46 | void *src; | |
47 | size_t decomp_size, src_size; | |
48 | u64 decomp_last_rem = 0; | |
872c8ee8 | 49 | size_t mmap_len, decomp_len = session->header.env.comp_mmap_len; |
3a3535e6 | 50 | struct decomp *decomp, *decomp_last = session->active_decomp->decomp_last; |
cb62c6f1 | 51 | |
872c8ee8 AB |
52 | if (decomp_last) { |
53 | decomp_last_rem = decomp_last->size - decomp_last->head; | |
54 | decomp_len += decomp_last_rem; | |
55 | } | |
56 | ||
57 | mmap_len = sizeof(struct decomp) + decomp_len; | |
58 | decomp = mmap(NULL, mmap_len, PROT_READ|PROT_WRITE, | |
cb62c6f1 AB |
59 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); |
60 | if (decomp == MAP_FAILED) { | |
61 | pr_err("Couldn't allocate memory for decompression\n"); | |
62 | return -1; | |
63 | } | |
64 | ||
65 | decomp->file_pos = file_offset; | |
2292083f | 66 | decomp->file_path = file_path; |
872c8ee8 | 67 | decomp->mmap_len = mmap_len; |
cb62c6f1 AB |
68 | decomp->head = 0; |
69 | ||
872c8ee8 | 70 | if (decomp_last_rem) { |
cb62c6f1 AB |
71 | memcpy(decomp->data, &(decomp_last->data[decomp_last->head]), decomp_last_rem); |
72 | decomp->size = decomp_last_rem; | |
73 | } | |
74 | ||
72932371 JO |
75 | src = (void *)event + sizeof(struct perf_record_compressed); |
76 | src_size = event->pack.header.size - sizeof(struct perf_record_compressed); | |
cb62c6f1 | 77 | |
3a3535e6 | 78 | decomp_size = zstd_decompress_stream(session->active_decomp->zstd_decomp, src, src_size, |
cb62c6f1 AB |
79 | &(decomp->data[decomp_last_rem]), decomp_len - decomp_last_rem); |
80 | if (!decomp_size) { | |
872c8ee8 | 81 | munmap(decomp, mmap_len); |
cb62c6f1 AB |
82 | pr_err("Couldn't decompress data\n"); |
83 | return -1; | |
84 | } | |
85 | ||
86 | decomp->size += decomp_size; | |
87 | ||
3a3535e6 AB |
88 | if (session->active_decomp->decomp == NULL) |
89 | session->active_decomp->decomp = decomp; | |
90 | else | |
91 | session->active_decomp->decomp_last->next = decomp; | |
92 | ||
93 | session->active_decomp->decomp_last = decomp; | |
cb62c6f1 | 94 | |
20befbb1 | 95 | pr_debug("decomp (B): %zd to %zd\n", src_size, decomp_size); |
cb62c6f1 AB |
96 | |
97 | return 0; | |
98 | } | |
99 | #else /* !HAVE_ZSTD_SUPPORT */ | |
100 | #define perf_session__process_compressed_event perf_session__process_compressed_event_stub | |
101 | #endif | |
102 | ||
c446870d AH |
103 | static int perf_session__deliver_event(struct perf_session *session, |
104 | union perf_event *event, | |
c446870d | 105 | struct perf_tool *tool, |
2292083f AB |
106 | u64 file_offset, |
107 | const char *file_path); | |
d10eb1eb | 108 | |
0ae03893 | 109 | static int perf_session__open(struct perf_session *session, int repipe_fd) |
94c744b6 | 110 | { |
8ceb41d7 | 111 | struct perf_data *data = session->data; |
8dc58101 | 112 | |
0ae03893 | 113 | if (perf_session__read_header(session, repipe_fd) < 0) { |
e87b4911 | 114 | pr_err("incompatible file format (rerun with -v to learn more)\n"); |
6a4d98d7 | 115 | return -1; |
94c744b6 ACM |
116 | } |
117 | ||
9ffa6c75 IR |
118 | if (perf_header__has_feat(&session->header, HEADER_AUXTRACE)) { |
119 | /* Auxiliary events may reference exited threads, hold onto dead ones. */ | |
120 | symbol_conf.keep_exited_threads = true; | |
121 | } | |
122 | ||
8ceb41d7 | 123 | if (perf_data__is_pipe(data)) |
cc9784bd JO |
124 | return 0; |
125 | ||
3ba78bd0 JO |
126 | if (perf_header__has_feat(&session->header, HEADER_STAT)) |
127 | return 0; | |
128 | ||
b3c2cc2b | 129 | if (!evlist__valid_sample_type(session->evlist)) { |
e87b4911 | 130 | pr_err("non matching sample_type\n"); |
6a4d98d7 | 131 | return -1; |
c2a70653 ACM |
132 | } |
133 | ||
8cedf3a5 | 134 | if (!evlist__valid_sample_id_all(session->evlist)) { |
e87b4911 | 135 | pr_err("non matching sample_id_all\n"); |
6a4d98d7 | 136 | return -1; |
c2a70653 ACM |
137 | } |
138 | ||
78e1bc25 | 139 | if (!evlist__valid_read_format(session->evlist)) { |
e87b4911 | 140 | pr_err("non matching read_format\n"); |
6a4d98d7 | 141 | return -1; |
9ede473c JO |
142 | } |
143 | ||
94c744b6 | 144 | return 0; |
94c744b6 ACM |
145 | } |
146 | ||
7b56cce2 | 147 | void perf_session__set_id_hdr_size(struct perf_session *session) |
9c90a61c | 148 | { |
1420ba2f | 149 | u16 id_hdr_size = evlist__id_hdr_size(session->evlist); |
7b56cce2 | 150 | |
7b56cce2 | 151 | machines__set_id_hdr_size(&session->machines, id_hdr_size); |
9c90a61c ACM |
152 | } |
153 | ||
316c7136 | 154 | int perf_session__create_kernel_maps(struct perf_session *session) |
a1645ce1 | 155 | { |
316c7136 | 156 | int ret = machine__create_kernel_maps(&session->machines.host); |
a1645ce1 | 157 | |
a1645ce1 | 158 | if (ret >= 0) |
316c7136 | 159 | ret = machines__create_guest_kernel_maps(&session->machines); |
a1645ce1 ZY |
160 | return ret; |
161 | } | |
162 | ||
316c7136 | 163 | static void perf_session__destroy_kernel_maps(struct perf_session *session) |
076c6e45 | 164 | { |
316c7136 | 165 | machines__destroy_kernel_maps(&session->machines); |
076c6e45 ACM |
166 | } |
167 | ||
cfe1c414 AH |
168 | static bool perf_session__has_comm_exec(struct perf_session *session) |
169 | { | |
32dcd021 | 170 | struct evsel *evsel; |
cfe1c414 | 171 | |
e5cadb93 | 172 | evlist__for_each_entry(session->evlist, evsel) { |
1fc632ce | 173 | if (evsel->core.attr.comm_exec) |
cfe1c414 AH |
174 | return true; |
175 | } | |
176 | ||
177 | return false; | |
178 | } | |
179 | ||
180 | static void perf_session__set_comm_exec(struct perf_session *session) | |
181 | { | |
182 | bool comm_exec = perf_session__has_comm_exec(session); | |
183 | ||
184 | machines__set_comm_exec(&session->machines, comm_exec); | |
185 | } | |
186 | ||
d10eb1eb | 187 | static int ordered_events__deliver_event(struct ordered_events *oe, |
9870d780 | 188 | struct ordered_event *event) |
d10eb1eb | 189 | { |
9870d780 ACM |
190 | struct perf_session *session = container_of(oe, struct perf_session, |
191 | ordered_events); | |
9870d780 | 192 | |
93d10af2 | 193 | return perf_session__deliver_event(session, event->event, |
2292083f AB |
194 | session->tool, event->file_offset, |
195 | event->file_path); | |
d10eb1eb ACM |
196 | } |
197 | ||
2681bd85 | 198 | struct perf_session *__perf_session__new(struct perf_data *data, |
0ae03893 | 199 | bool repipe, int repipe_fd, |
2681bd85 | 200 | struct perf_tool *tool) |
94c744b6 | 201 | { |
6ef81c55 | 202 | int ret = -ENOMEM; |
316c7136 | 203 | struct perf_session *session = zalloc(sizeof(*session)); |
efad1415 | 204 | |
316c7136 | 205 | if (!session) |
94c744b6 ACM |
206 | goto out; |
207 | ||
316c7136 | 208 | session->repipe = repipe; |
9870d780 | 209 | session->tool = tool; |
3a3535e6 AB |
210 | session->decomp_data.zstd_decomp = &session->zstd_data; |
211 | session->active_decomp = &session->decomp_data; | |
99fa2984 | 212 | INIT_LIST_HEAD(&session->auxtrace_index); |
316c7136 | 213 | machines__init(&session->machines); |
a4a6668a JO |
214 | ordered_events__init(&session->ordered_events, |
215 | ordered_events__deliver_event, NULL); | |
94c744b6 | 216 | |
e4378f0c | 217 | perf_env__init(&session->header.env); |
8ceb41d7 | 218 | if (data) { |
6ef81c55 MI |
219 | ret = perf_data__open(data); |
220 | if (ret < 0) | |
64abebf7 | 221 | goto out_delete; |
6a4d98d7 | 222 | |
8ceb41d7 | 223 | session->data = data; |
6a4d98d7 | 224 | |
8ceb41d7 | 225 | if (perf_data__is_read(data)) { |
0ae03893 | 226 | ret = perf_session__open(session, repipe_fd); |
6ef81c55 | 227 | if (ret < 0) |
befa09b6 | 228 | goto out_delete; |
6a4d98d7 | 229 | |
0973ad97 DCC |
230 | /* |
231 | * set session attributes that are present in perf.data | |
232 | * but not in pipe-mode. | |
233 | */ | |
8ceb41d7 | 234 | if (!data->is_pipe) { |
0973ad97 DCC |
235 | perf_session__set_id_hdr_size(session); |
236 | perf_session__set_comm_exec(session); | |
237 | } | |
93115d32 | 238 | |
44d2a557 | 239 | evlist__init_trace_event_sample_raw(session->evlist); |
ec65def1 JO |
240 | |
241 | /* Open the directory data. */ | |
6ef81c55 MI |
242 | if (data->is_dir) { |
243 | ret = perf_data__open_dir(data); | |
01e97a59 JO |
244 | if (ret) |
245 | goto out_delete; | |
6ef81c55 | 246 | } |
eeb399b5 AH |
247 | |
248 | if (!symbol_conf.kallsyms_name && | |
249 | !symbol_conf.vmlinux_name) | |
250 | symbol_conf.kallsyms_name = perf_data__kallsyms_name(data); | |
6a4d98d7 | 251 | } |
4cde998d ACM |
252 | } else { |
253 | session->machines.host.env = &perf_env; | |
6a4d98d7 JO |
254 | } |
255 | ||
ec1891af AH |
256 | session->machines.host.single_address_space = |
257 | perf_env__single_address_space(session->machines.host.env); | |
258 | ||
8ceb41d7 | 259 | if (!data || perf_data__is_write(data)) { |
64abebf7 ACM |
260 | /* |
261 | * In O_RDONLY mode this will be performed when reading the | |
8115d60c | 262 | * kernel MMAP event, in perf_event__process_mmap(). |
64abebf7 | 263 | */ |
316c7136 | 264 | if (perf_session__create_kernel_maps(session) < 0) |
a5c2a4c9 | 265 | pr_warning("Cannot read kernel map\n"); |
64abebf7 | 266 | } |
d549c769 | 267 | |
0973ad97 DCC |
268 | /* |
269 | * In pipe-mode, evlist is empty until PERF_RECORD_HEADER_ATTR is | |
8cedf3a5 | 270 | * processed, so evlist__sample_id_all is not meaningful here. |
0973ad97 | 271 | */ |
8ceb41d7 | 272 | if ((!data || !data->is_pipe) && tool && tool->ordering_requires_timestamps && |
8cedf3a5 | 273 | tool->ordered_events && !evlist__sample_id_all(session->evlist)) { |
21ef97f0 | 274 | dump_printf("WARNING: No sample_id_all support, falling back to unordered processing\n"); |
0a8cb85c | 275 | tool->ordered_events = false; |
d10eb1eb | 276 | } |
21ef97f0 | 277 | |
316c7136 | 278 | return session; |
6a4d98d7 | 279 | |
6a4d98d7 | 280 | out_delete: |
316c7136 | 281 | perf_session__delete(session); |
6a4d98d7 | 282 | out: |
6ef81c55 | 283 | return ERR_PTR(ret); |
94c744b6 ACM |
284 | } |
285 | ||
3a3535e6 | 286 | static void perf_decomp__release_events(struct decomp *next) |
cb62c6f1 | 287 | { |
3a3535e6 | 288 | struct decomp *decomp; |
872c8ee8 | 289 | size_t mmap_len; |
3a3535e6 | 290 | |
cb62c6f1 AB |
291 | do { |
292 | decomp = next; | |
293 | if (decomp == NULL) | |
294 | break; | |
295 | next = decomp->next; | |
872c8ee8 AB |
296 | mmap_len = decomp->mmap_len; |
297 | munmap(decomp, mmap_len); | |
cb62c6f1 AB |
298 | } while (1); |
299 | } | |
300 | ||
316c7136 | 301 | void perf_session__delete(struct perf_session *session) |
94c744b6 | 302 | { |
e1446551 ACM |
303 | if (session == NULL) |
304 | return; | |
c446870d | 305 | auxtrace__free(session); |
99fa2984 | 306 | auxtrace_index__free(&session->auxtrace_index); |
316c7136 | 307 | perf_session__destroy_kernel_maps(session); |
3a3535e6 | 308 | perf_decomp__release_events(session->decomp_data.decomp); |
f0ce888c | 309 | perf_env__exit(&session->header.env); |
316c7136 | 310 | machines__exit(&session->machines); |
cf96b8e4 RM |
311 | if (session->data) { |
312 | if (perf_data__is_read(session->data)) | |
313 | evlist__delete(session->evlist); | |
8ceb41d7 | 314 | perf_data__close(session->data); |
cf96b8e4 | 315 | } |
378ef0f5 | 316 | #ifdef HAVE_LIBTRACEEVENT |
423b9174 | 317 | trace_event__cleanup(&session->tevent); |
378ef0f5 | 318 | #endif |
316c7136 | 319 | free(session); |
94c744b6 | 320 | } |
a328626b | 321 | |
89f1688a | 322 | static int process_event_synth_tracing_data_stub(struct perf_session *session |
47c3d109 AH |
323 | __maybe_unused, |
324 | union perf_event *event | |
89f1688a | 325 | __maybe_unused) |
d20deb64 ACM |
326 | { |
327 | dump_printf(": unhandled!\n"); | |
328 | return 0; | |
329 | } | |
330 | ||
47c3d109 AH |
331 | static int process_event_synth_attr_stub(struct perf_tool *tool __maybe_unused, |
332 | union perf_event *event __maybe_unused, | |
63503dba | 333 | struct evlist **pevlist |
1d037ca1 | 334 | __maybe_unused) |
10d0f086 ACM |
335 | { |
336 | dump_printf(": unhandled!\n"); | |
337 | return 0; | |
338 | } | |
339 | ||
ffe77725 JO |
340 | static int process_event_synth_event_update_stub(struct perf_tool *tool __maybe_unused, |
341 | union perf_event *event __maybe_unused, | |
63503dba | 342 | struct evlist **pevlist |
ffe77725 JO |
343 | __maybe_unused) |
344 | { | |
2d2aea6a JO |
345 | if (dump_trace) |
346 | perf_event__fprintf_event_update(event, stdout); | |
347 | ||
ffe77725 JO |
348 | dump_printf(": unhandled!\n"); |
349 | return 0; | |
350 | } | |
351 | ||
1d037ca1 IT |
352 | static int process_event_sample_stub(struct perf_tool *tool __maybe_unused, |
353 | union perf_event *event __maybe_unused, | |
354 | struct perf_sample *sample __maybe_unused, | |
32dcd021 | 355 | struct evsel *evsel __maybe_unused, |
1d037ca1 | 356 | struct machine *machine __maybe_unused) |
9e69c210 ACM |
357 | { |
358 | dump_printf(": unhandled!\n"); | |
359 | return 0; | |
360 | } | |
361 | ||
1d037ca1 IT |
362 | static int process_event_stub(struct perf_tool *tool __maybe_unused, |
363 | union perf_event *event __maybe_unused, | |
364 | struct perf_sample *sample __maybe_unused, | |
365 | struct machine *machine __maybe_unused) | |
06aae590 ACM |
366 | { |
367 | dump_printf(": unhandled!\n"); | |
368 | return 0; | |
369 | } | |
370 | ||
1d037ca1 IT |
371 | static int process_finished_round_stub(struct perf_tool *tool __maybe_unused, |
372 | union perf_event *event __maybe_unused, | |
d704ebda | 373 | struct ordered_events *oe __maybe_unused) |
743eb868 ACM |
374 | { |
375 | dump_printf(": unhandled!\n"); | |
376 | return 0; | |
377 | } | |
378 | ||
a16ac023 AH |
379 | static int skipn(int fd, off_t n) |
380 | { | |
381 | char buf[4096]; | |
382 | ssize_t ret; | |
383 | ||
384 | while (n > 0) { | |
385 | ret = read(fd, buf, min(n, (off_t)sizeof(buf))); | |
386 | if (ret <= 0) | |
387 | return ret; | |
388 | n -= ret; | |
389 | } | |
390 | ||
391 | return 0; | |
392 | } | |
393 | ||
7336555a JO |
394 | static s64 process_event_auxtrace_stub(struct perf_session *session __maybe_unused, |
395 | union perf_event *event) | |
a16ac023 AH |
396 | { |
397 | dump_printf(": unhandled!\n"); | |
8ceb41d7 JO |
398 | if (perf_data__is_pipe(session->data)) |
399 | skipn(perf_data__fd(session->data), event->auxtrace.size); | |
a16ac023 AH |
400 | return event->auxtrace.size; |
401 | } | |
402 | ||
89f1688a JO |
403 | static int process_event_op2_stub(struct perf_session *session __maybe_unused, |
404 | union perf_event *event __maybe_unused) | |
e9bf54d2 AH |
405 | { |
406 | dump_printf(": unhandled!\n"); | |
407 | return 0; | |
408 | } | |
409 | ||
5f3339d2 JO |
410 | |
411 | static | |
89f1688a JO |
412 | int process_event_thread_map_stub(struct perf_session *session __maybe_unused, |
413 | union perf_event *event __maybe_unused) | |
5f3339d2 | 414 | { |
2d2aea6a JO |
415 | if (dump_trace) |
416 | perf_event__fprintf_thread_map(event, stdout); | |
417 | ||
5f3339d2 JO |
418 | dump_printf(": unhandled!\n"); |
419 | return 0; | |
420 | } | |
421 | ||
6640b6c2 | 422 | static |
89f1688a JO |
423 | int process_event_cpu_map_stub(struct perf_session *session __maybe_unused, |
424 | union perf_event *event __maybe_unused) | |
6640b6c2 | 425 | { |
2d2aea6a JO |
426 | if (dump_trace) |
427 | perf_event__fprintf_cpu_map(event, stdout); | |
428 | ||
6640b6c2 JO |
429 | dump_printf(": unhandled!\n"); |
430 | return 0; | |
431 | } | |
432 | ||
374fb9e3 | 433 | static |
89f1688a JO |
434 | int process_event_stat_config_stub(struct perf_session *session __maybe_unused, |
435 | union perf_event *event __maybe_unused) | |
374fb9e3 | 436 | { |
2d2aea6a JO |
437 | if (dump_trace) |
438 | perf_event__fprintf_stat_config(event, stdout); | |
439 | ||
374fb9e3 JO |
440 | dump_printf(": unhandled!\n"); |
441 | return 0; | |
442 | } | |
443 | ||
89f1688a JO |
444 | static int process_stat_stub(struct perf_session *perf_session __maybe_unused, |
445 | union perf_event *event) | |
d80518c9 | 446 | { |
2d2aea6a JO |
447 | if (dump_trace) |
448 | perf_event__fprintf_stat(event, stdout); | |
449 | ||
d80518c9 JO |
450 | dump_printf(": unhandled!\n"); |
451 | return 0; | |
452 | } | |
453 | ||
89f1688a JO |
454 | static int process_stat_round_stub(struct perf_session *perf_session __maybe_unused, |
455 | union perf_event *event) | |
2d8f0f18 | 456 | { |
2d2aea6a JO |
457 | if (dump_trace) |
458 | perf_event__fprintf_stat_round(event, stdout); | |
459 | ||
2d8f0f18 JO |
460 | dump_printf(": unhandled!\n"); |
461 | return 0; | |
462 | } | |
463 | ||
81e70d7e LY |
464 | static int process_event_time_conv_stub(struct perf_session *perf_session __maybe_unused, |
465 | union perf_event *event) | |
466 | { | |
467 | if (dump_trace) | |
468 | perf_event__fprintf_time_conv(event, stdout); | |
469 | ||
470 | dump_printf(": unhandled!\n"); | |
471 | return 0; | |
472 | } | |
473 | ||
61a7773c AB |
474 | static int perf_session__process_compressed_event_stub(struct perf_session *session __maybe_unused, |
475 | union perf_event *event __maybe_unused, | |
2292083f AB |
476 | u64 file_offset __maybe_unused, |
477 | const char *file_path __maybe_unused) | |
61a7773c AB |
478 | { |
479 | dump_printf(": unhandled!\n"); | |
480 | return 0; | |
481 | } | |
482 | ||
9c501402 | 483 | void perf_tool__fill_defaults(struct perf_tool *tool) |
06aae590 | 484 | { |
45694aa7 ACM |
485 | if (tool->sample == NULL) |
486 | tool->sample = process_event_sample_stub; | |
487 | if (tool->mmap == NULL) | |
488 | tool->mmap = process_event_stub; | |
6adb0b0a DA |
489 | if (tool->mmap2 == NULL) |
490 | tool->mmap2 = process_event_stub; | |
45694aa7 ACM |
491 | if (tool->comm == NULL) |
492 | tool->comm = process_event_stub; | |
7f0cd236 NK |
493 | if (tool->namespaces == NULL) |
494 | tool->namespaces = process_event_stub; | |
ba78c1c5 NK |
495 | if (tool->cgroup == NULL) |
496 | tool->cgroup = process_event_stub; | |
45694aa7 ACM |
497 | if (tool->fork == NULL) |
498 | tool->fork = process_event_stub; | |
499 | if (tool->exit == NULL) | |
500 | tool->exit = process_event_stub; | |
501 | if (tool->lost == NULL) | |
502 | tool->lost = perf_event__process_lost; | |
c4937a91 KL |
503 | if (tool->lost_samples == NULL) |
504 | tool->lost_samples = perf_event__process_lost_samples; | |
4a96f7a0 AH |
505 | if (tool->aux == NULL) |
506 | tool->aux = perf_event__process_aux; | |
0ad21f68 AH |
507 | if (tool->itrace_start == NULL) |
508 | tool->itrace_start = perf_event__process_itrace_start; | |
0286039f AH |
509 | if (tool->context_switch == NULL) |
510 | tool->context_switch = perf_event__process_switch; | |
9aa0bfa3 SL |
511 | if (tool->ksymbol == NULL) |
512 | tool->ksymbol = perf_event__process_ksymbol; | |
3f604b5f ACM |
513 | if (tool->bpf == NULL) |
514 | tool->bpf = perf_event__process_bpf; | |
246eba8e AH |
515 | if (tool->text_poke == NULL) |
516 | tool->text_poke = perf_event__process_text_poke; | |
61750473 AH |
517 | if (tool->aux_output_hw_id == NULL) |
518 | tool->aux_output_hw_id = perf_event__process_aux_output_hw_id; | |
45694aa7 ACM |
519 | if (tool->read == NULL) |
520 | tool->read = process_event_sample_stub; | |
521 | if (tool->throttle == NULL) | |
522 | tool->throttle = process_event_stub; | |
523 | if (tool->unthrottle == NULL) | |
524 | tool->unthrottle = process_event_stub; | |
525 | if (tool->attr == NULL) | |
526 | tool->attr = process_event_synth_attr_stub; | |
ffe77725 JO |
527 | if (tool->event_update == NULL) |
528 | tool->event_update = process_event_synth_event_update_stub; | |
45694aa7 ACM |
529 | if (tool->tracing_data == NULL) |
530 | tool->tracing_data = process_event_synth_tracing_data_stub; | |
531 | if (tool->build_id == NULL) | |
5fb0ac16 | 532 | tool->build_id = process_event_op2_stub; |
45694aa7 | 533 | if (tool->finished_round == NULL) { |
0a8cb85c | 534 | if (tool->ordered_events) |
eddc6e3f | 535 | tool->finished_round = perf_event__process_finished_round; |
d6b17beb | 536 | else |
45694aa7 | 537 | tool->finished_round = process_finished_round_stub; |
d6b17beb | 538 | } |
3c659eed | 539 | if (tool->id_index == NULL) |
5fb0ac16 | 540 | tool->id_index = process_event_op2_stub; |
a16ac023 | 541 | if (tool->auxtrace_info == NULL) |
5fb0ac16 | 542 | tool->auxtrace_info = process_event_op2_stub; |
a16ac023 AH |
543 | if (tool->auxtrace == NULL) |
544 | tool->auxtrace = process_event_auxtrace_stub; | |
e9bf54d2 | 545 | if (tool->auxtrace_error == NULL) |
5fb0ac16 | 546 | tool->auxtrace_error = process_event_op2_stub; |
5f3339d2 JO |
547 | if (tool->thread_map == NULL) |
548 | tool->thread_map = process_event_thread_map_stub; | |
6640b6c2 JO |
549 | if (tool->cpu_map == NULL) |
550 | tool->cpu_map = process_event_cpu_map_stub; | |
374fb9e3 JO |
551 | if (tool->stat_config == NULL) |
552 | tool->stat_config = process_event_stat_config_stub; | |
d80518c9 JO |
553 | if (tool->stat == NULL) |
554 | tool->stat = process_stat_stub; | |
2d8f0f18 JO |
555 | if (tool->stat_round == NULL) |
556 | tool->stat_round = process_stat_round_stub; | |
46bc29b9 | 557 | if (tool->time_conv == NULL) |
81e70d7e | 558 | tool->time_conv = process_event_time_conv_stub; |
e9def1b2 DCC |
559 | if (tool->feature == NULL) |
560 | tool->feature = process_event_op2_stub; | |
61a7773c | 561 | if (tool->compressed == NULL) |
cb62c6f1 | 562 | tool->compressed = perf_session__process_compressed_event; |
3812d298 AH |
563 | if (tool->finished_init == NULL) |
564 | tool->finished_init = process_event_op2_stub; | |
06aae590 | 565 | } |
48000a1a | 566 | |
268fb20f JO |
567 | static void swap_sample_id_all(union perf_event *event, void *data) |
568 | { | |
569 | void *end = (void *) event + event->header.size; | |
570 | int size = end - data; | |
571 | ||
572 | BUG_ON(size % sizeof(u64)); | |
573 | mem_bswap_64(data, size); | |
574 | } | |
575 | ||
576 | static void perf_event__all64_swap(union perf_event *event, | |
1d037ca1 | 577 | bool sample_id_all __maybe_unused) |
ba21594c | 578 | { |
8115d60c ACM |
579 | struct perf_event_header *hdr = &event->header; |
580 | mem_bswap_64(hdr + 1, event->header.size - sizeof(*hdr)); | |
ba21594c ACM |
581 | } |
582 | ||
268fb20f | 583 | static void perf_event__comm_swap(union perf_event *event, bool sample_id_all) |
ba21594c | 584 | { |
8115d60c ACM |
585 | event->comm.pid = bswap_32(event->comm.pid); |
586 | event->comm.tid = bswap_32(event->comm.tid); | |
268fb20f JO |
587 | |
588 | if (sample_id_all) { | |
589 | void *data = &event->comm.comm; | |
590 | ||
9ac3e487 | 591 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
268fb20f JO |
592 | swap_sample_id_all(event, data); |
593 | } | |
ba21594c ACM |
594 | } |
595 | ||
268fb20f JO |
596 | static void perf_event__mmap_swap(union perf_event *event, |
597 | bool sample_id_all) | |
ba21594c | 598 | { |
8115d60c ACM |
599 | event->mmap.pid = bswap_32(event->mmap.pid); |
600 | event->mmap.tid = bswap_32(event->mmap.tid); | |
601 | event->mmap.start = bswap_64(event->mmap.start); | |
602 | event->mmap.len = bswap_64(event->mmap.len); | |
603 | event->mmap.pgoff = bswap_64(event->mmap.pgoff); | |
268fb20f JO |
604 | |
605 | if (sample_id_all) { | |
606 | void *data = &event->mmap.filename; | |
607 | ||
9ac3e487 | 608 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
268fb20f JO |
609 | swap_sample_id_all(event, data); |
610 | } | |
ba21594c ACM |
611 | } |
612 | ||
5c5e854b SE |
613 | static void perf_event__mmap2_swap(union perf_event *event, |
614 | bool sample_id_all) | |
615 | { | |
616 | event->mmap2.pid = bswap_32(event->mmap2.pid); | |
617 | event->mmap2.tid = bswap_32(event->mmap2.tid); | |
618 | event->mmap2.start = bswap_64(event->mmap2.start); | |
619 | event->mmap2.len = bswap_64(event->mmap2.len); | |
620 | event->mmap2.pgoff = bswap_64(event->mmap2.pgoff); | |
29245ae8 JO |
621 | |
622 | if (!(event->header.misc & PERF_RECORD_MISC_MMAP_BUILD_ID)) { | |
623 | event->mmap2.maj = bswap_32(event->mmap2.maj); | |
624 | event->mmap2.min = bswap_32(event->mmap2.min); | |
625 | event->mmap2.ino = bswap_64(event->mmap2.ino); | |
626 | event->mmap2.ino_generation = bswap_64(event->mmap2.ino_generation); | |
627 | } | |
5c5e854b SE |
628 | |
629 | if (sample_id_all) { | |
630 | void *data = &event->mmap2.filename; | |
631 | ||
632 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); | |
633 | swap_sample_id_all(event, data); | |
634 | } | |
635 | } | |
268fb20f | 636 | static void perf_event__task_swap(union perf_event *event, bool sample_id_all) |
ba21594c | 637 | { |
8115d60c ACM |
638 | event->fork.pid = bswap_32(event->fork.pid); |
639 | event->fork.tid = bswap_32(event->fork.tid); | |
640 | event->fork.ppid = bswap_32(event->fork.ppid); | |
641 | event->fork.ptid = bswap_32(event->fork.ptid); | |
642 | event->fork.time = bswap_64(event->fork.time); | |
268fb20f JO |
643 | |
644 | if (sample_id_all) | |
645 | swap_sample_id_all(event, &event->fork + 1); | |
ba21594c ACM |
646 | } |
647 | ||
268fb20f | 648 | static void perf_event__read_swap(union perf_event *event, bool sample_id_all) |
ba21594c | 649 | { |
8115d60c ACM |
650 | event->read.pid = bswap_32(event->read.pid); |
651 | event->read.tid = bswap_32(event->read.tid); | |
652 | event->read.value = bswap_64(event->read.value); | |
653 | event->read.time_enabled = bswap_64(event->read.time_enabled); | |
654 | event->read.time_running = bswap_64(event->read.time_running); | |
655 | event->read.id = bswap_64(event->read.id); | |
268fb20f JO |
656 | |
657 | if (sample_id_all) | |
658 | swap_sample_id_all(event, &event->read + 1); | |
ba21594c ACM |
659 | } |
660 | ||
4a96f7a0 AH |
661 | static void perf_event__aux_swap(union perf_event *event, bool sample_id_all) |
662 | { | |
663 | event->aux.aux_offset = bswap_64(event->aux.aux_offset); | |
664 | event->aux.aux_size = bswap_64(event->aux.aux_size); | |
665 | event->aux.flags = bswap_64(event->aux.flags); | |
666 | ||
667 | if (sample_id_all) | |
668 | swap_sample_id_all(event, &event->aux + 1); | |
669 | } | |
670 | ||
0ad21f68 AH |
671 | static void perf_event__itrace_start_swap(union perf_event *event, |
672 | bool sample_id_all) | |
673 | { | |
674 | event->itrace_start.pid = bswap_32(event->itrace_start.pid); | |
675 | event->itrace_start.tid = bswap_32(event->itrace_start.tid); | |
676 | ||
677 | if (sample_id_all) | |
678 | swap_sample_id_all(event, &event->itrace_start + 1); | |
679 | } | |
680 | ||
0286039f AH |
681 | static void perf_event__switch_swap(union perf_event *event, bool sample_id_all) |
682 | { | |
683 | if (event->header.type == PERF_RECORD_SWITCH_CPU_WIDE) { | |
684 | event->context_switch.next_prev_pid = | |
685 | bswap_32(event->context_switch.next_prev_pid); | |
686 | event->context_switch.next_prev_tid = | |
687 | bswap_32(event->context_switch.next_prev_tid); | |
688 | } | |
689 | ||
690 | if (sample_id_all) | |
691 | swap_sample_id_all(event, &event->context_switch + 1); | |
692 | } | |
693 | ||
246eba8e AH |
694 | static void perf_event__text_poke_swap(union perf_event *event, bool sample_id_all) |
695 | { | |
696 | event->text_poke.addr = bswap_64(event->text_poke.addr); | |
697 | event->text_poke.old_len = bswap_16(event->text_poke.old_len); | |
698 | event->text_poke.new_len = bswap_16(event->text_poke.new_len); | |
699 | ||
700 | if (sample_id_all) { | |
701 | size_t len = sizeof(event->text_poke.old_len) + | |
702 | sizeof(event->text_poke.new_len) + | |
703 | event->text_poke.old_len + | |
704 | event->text_poke.new_len; | |
705 | void *data = &event->text_poke.old_len; | |
706 | ||
707 | data += PERF_ALIGN(len, sizeof(u64)); | |
708 | swap_sample_id_all(event, data); | |
709 | } | |
710 | } | |
711 | ||
dd96c46b JO |
712 | static void perf_event__throttle_swap(union perf_event *event, |
713 | bool sample_id_all) | |
714 | { | |
715 | event->throttle.time = bswap_64(event->throttle.time); | |
716 | event->throttle.id = bswap_64(event->throttle.id); | |
717 | event->throttle.stream_id = bswap_64(event->throttle.stream_id); | |
718 | ||
719 | if (sample_id_all) | |
720 | swap_sample_id_all(event, &event->throttle + 1); | |
721 | } | |
722 | ||
acd244b8 NK |
723 | static void perf_event__namespaces_swap(union perf_event *event, |
724 | bool sample_id_all) | |
725 | { | |
726 | u64 i; | |
727 | ||
728 | event->namespaces.pid = bswap_32(event->namespaces.pid); | |
729 | event->namespaces.tid = bswap_32(event->namespaces.tid); | |
730 | event->namespaces.nr_namespaces = bswap_64(event->namespaces.nr_namespaces); | |
731 | ||
732 | for (i = 0; i < event->namespaces.nr_namespaces; i++) { | |
733 | struct perf_ns_link_info *ns = &event->namespaces.link_info[i]; | |
734 | ||
735 | ns->dev = bswap_64(ns->dev); | |
736 | ns->ino = bswap_64(ns->ino); | |
737 | } | |
738 | ||
739 | if (sample_id_all) | |
740 | swap_sample_id_all(event, &event->namespaces.link_info[i]); | |
741 | } | |
742 | ||
2c589d93 NK |
743 | static void perf_event__cgroup_swap(union perf_event *event, bool sample_id_all) |
744 | { | |
745 | event->cgroup.id = bswap_64(event->cgroup.id); | |
746 | ||
747 | if (sample_id_all) { | |
748 | void *data = &event->cgroup.path; | |
749 | ||
750 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); | |
751 | swap_sample_id_all(event, data); | |
752 | } | |
753 | } | |
754 | ||
e108c66e JO |
755 | static u8 revbyte(u8 b) |
756 | { | |
757 | int rev = (b >> 4) | ((b & 0xf) << 4); | |
758 | rev = ((rev & 0xcc) >> 2) | ((rev & 0x33) << 2); | |
759 | rev = ((rev & 0xaa) >> 1) | ((rev & 0x55) << 1); | |
760 | return (u8) rev; | |
761 | } | |
762 | ||
763 | /* | |
764 | * XXX this is hack in attempt to carry flags bitfield | |
bd1a0be5 | 765 | * through endian village. ABI says: |
e108c66e JO |
766 | * |
767 | * Bit-fields are allocated from right to left (least to most significant) | |
768 | * on little-endian implementations and from left to right (most to least | |
769 | * significant) on big-endian implementations. | |
770 | * | |
771 | * The above seems to be byte specific, so we need to reverse each | |
772 | * byte of the bitfield. 'Internet' also says this might be implementation | |
773 | * specific and we probably need proper fix and carry perf_event_attr | |
774 | * bitfield flags in separate data file FEAT_ section. Thought this seems | |
775 | * to work for now. | |
776 | */ | |
777 | static void swap_bitfield(u8 *p, unsigned len) | |
778 | { | |
779 | unsigned i; | |
780 | ||
781 | for (i = 0; i < len; i++) { | |
782 | *p = revbyte(*p); | |
783 | p++; | |
784 | } | |
785 | } | |
786 | ||
eda3913b DA |
787 | /* exported for swapping attributes in file header */ |
788 | void perf_event__attr_swap(struct perf_event_attr *attr) | |
789 | { | |
790 | attr->type = bswap_32(attr->type); | |
791 | attr->size = bswap_32(attr->size); | |
b30b6172 WN |
792 | |
793 | #define bswap_safe(f, n) \ | |
794 | (attr->size > (offsetof(struct perf_event_attr, f) + \ | |
795 | sizeof(attr->f) * (n))) | |
796 | #define bswap_field(f, sz) \ | |
797 | do { \ | |
798 | if (bswap_safe(f, 0)) \ | |
799 | attr->f = bswap_##sz(attr->f); \ | |
800 | } while(0) | |
792d48b4 | 801 | #define bswap_field_16(f) bswap_field(f, 16) |
b30b6172 WN |
802 | #define bswap_field_32(f) bswap_field(f, 32) |
803 | #define bswap_field_64(f) bswap_field(f, 64) | |
804 | ||
805 | bswap_field_64(config); | |
806 | bswap_field_64(sample_period); | |
807 | bswap_field_64(sample_type); | |
808 | bswap_field_64(read_format); | |
809 | bswap_field_32(wakeup_events); | |
810 | bswap_field_32(bp_type); | |
811 | bswap_field_64(bp_addr); | |
812 | bswap_field_64(bp_len); | |
813 | bswap_field_64(branch_sample_type); | |
814 | bswap_field_64(sample_regs_user); | |
815 | bswap_field_32(sample_stack_user); | |
816 | bswap_field_32(aux_watermark); | |
792d48b4 | 817 | bswap_field_16(sample_max_stack); |
98dcf14d | 818 | bswap_field_32(aux_sample_size); |
b30b6172 WN |
819 | |
820 | /* | |
821 | * After read_format are bitfields. Check read_format because | |
822 | * we are unable to use offsetof on bitfield. | |
823 | */ | |
824 | if (bswap_safe(read_format, 1)) | |
825 | swap_bitfield((u8 *) (&attr->read_format + 1), | |
826 | sizeof(u64)); | |
827 | #undef bswap_field_64 | |
828 | #undef bswap_field_32 | |
829 | #undef bswap_field | |
830 | #undef bswap_safe | |
eda3913b DA |
831 | } |
832 | ||
268fb20f | 833 | static void perf_event__hdr_attr_swap(union perf_event *event, |
1d037ca1 | 834 | bool sample_id_all __maybe_unused) |
2c46dbb5 TZ |
835 | { |
836 | size_t size; | |
837 | ||
eda3913b | 838 | perf_event__attr_swap(&event->attr.attr); |
2c46dbb5 | 839 | |
8115d60c | 840 | size = event->header.size; |
f174341d NK |
841 | size -= perf_record_header_attr_id(event) - (void *)event; |
842 | mem_bswap_64(perf_record_header_attr_id(event), size); | |
2c46dbb5 TZ |
843 | } |
844 | ||
ffe77725 JO |
845 | static void perf_event__event_update_swap(union perf_event *event, |
846 | bool sample_id_all __maybe_unused) | |
847 | { | |
848 | event->event_update.type = bswap_64(event->event_update.type); | |
849 | event->event_update.id = bswap_64(event->event_update.id); | |
850 | } | |
851 | ||
268fb20f | 852 | static void perf_event__event_type_swap(union perf_event *event, |
1d037ca1 | 853 | bool sample_id_all __maybe_unused) |
cd19a035 | 854 | { |
8115d60c ACM |
855 | event->event_type.event_type.event_id = |
856 | bswap_64(event->event_type.event_type.event_id); | |
cd19a035 TZ |
857 | } |
858 | ||
268fb20f | 859 | static void perf_event__tracing_data_swap(union perf_event *event, |
1d037ca1 | 860 | bool sample_id_all __maybe_unused) |
9215545e | 861 | { |
8115d60c | 862 | event->tracing_data.size = bswap_32(event->tracing_data.size); |
9215545e TZ |
863 | } |
864 | ||
a16ac023 AH |
865 | static void perf_event__auxtrace_info_swap(union perf_event *event, |
866 | bool sample_id_all __maybe_unused) | |
867 | { | |
868 | size_t size; | |
869 | ||
870 | event->auxtrace_info.type = bswap_32(event->auxtrace_info.type); | |
871 | ||
872 | size = event->header.size; | |
873 | size -= (void *)&event->auxtrace_info.priv - (void *)event; | |
874 | mem_bswap_64(event->auxtrace_info.priv, size); | |
875 | } | |
876 | ||
877 | static void perf_event__auxtrace_swap(union perf_event *event, | |
878 | bool sample_id_all __maybe_unused) | |
879 | { | |
880 | event->auxtrace.size = bswap_64(event->auxtrace.size); | |
881 | event->auxtrace.offset = bswap_64(event->auxtrace.offset); | |
882 | event->auxtrace.reference = bswap_64(event->auxtrace.reference); | |
883 | event->auxtrace.idx = bswap_32(event->auxtrace.idx); | |
884 | event->auxtrace.tid = bswap_32(event->auxtrace.tid); | |
885 | event->auxtrace.cpu = bswap_32(event->auxtrace.cpu); | |
886 | } | |
887 | ||
e9bf54d2 AH |
888 | static void perf_event__auxtrace_error_swap(union perf_event *event, |
889 | bool sample_id_all __maybe_unused) | |
890 | { | |
891 | event->auxtrace_error.type = bswap_32(event->auxtrace_error.type); | |
892 | event->auxtrace_error.code = bswap_32(event->auxtrace_error.code); | |
893 | event->auxtrace_error.cpu = bswap_32(event->auxtrace_error.cpu); | |
894 | event->auxtrace_error.pid = bswap_32(event->auxtrace_error.pid); | |
895 | event->auxtrace_error.tid = bswap_32(event->auxtrace_error.tid); | |
16bd4321 | 896 | event->auxtrace_error.fmt = bswap_32(event->auxtrace_error.fmt); |
e9bf54d2 | 897 | event->auxtrace_error.ip = bswap_64(event->auxtrace_error.ip); |
16bd4321 AH |
898 | if (event->auxtrace_error.fmt) |
899 | event->auxtrace_error.time = bswap_64(event->auxtrace_error.time); | |
7151c1d1 AH |
900 | if (event->auxtrace_error.fmt >= 2) { |
901 | event->auxtrace_error.machine_pid = bswap_32(event->auxtrace_error.machine_pid); | |
902 | event->auxtrace_error.vcpu = bswap_32(event->auxtrace_error.vcpu); | |
903 | } | |
e9bf54d2 AH |
904 | } |
905 | ||
5f3339d2 JO |
906 | static void perf_event__thread_map_swap(union perf_event *event, |
907 | bool sample_id_all __maybe_unused) | |
908 | { | |
909 | unsigned i; | |
910 | ||
911 | event->thread_map.nr = bswap_64(event->thread_map.nr); | |
912 | ||
913 | for (i = 0; i < event->thread_map.nr; i++) | |
914 | event->thread_map.entries[i].pid = bswap_64(event->thread_map.entries[i].pid); | |
915 | } | |
916 | ||
6640b6c2 JO |
917 | static void perf_event__cpu_map_swap(union perf_event *event, |
918 | bool sample_id_all __maybe_unused) | |
919 | { | |
72932371 | 920 | struct perf_record_cpu_map_data *data = &event->cpu_map.data; |
6640b6c2 | 921 | |
a11c9a6e | 922 | data->type = bswap_16(data->type); |
6640b6c2 JO |
923 | |
924 | switch (data->type) { | |
925 | case PERF_CPU_MAP__CPUS: | |
b2f10cd4 | 926 | data->cpus_data.nr = bswap_16(data->cpus_data.nr); |
6640b6c2 | 927 | |
b2f10cd4 IR |
928 | for (unsigned i = 0; i < data->cpus_data.nr; i++) |
929 | data->cpus_data.cpu[i] = bswap_16(data->cpus_data.cpu[i]); | |
6640b6c2 JO |
930 | break; |
931 | case PERF_CPU_MAP__MASK: | |
b2f10cd4 | 932 | data->mask32_data.long_size = bswap_16(data->mask32_data.long_size); |
6640b6c2 | 933 | |
b2f10cd4 IR |
934 | switch (data->mask32_data.long_size) { |
935 | case 4: | |
936 | data->mask32_data.nr = bswap_16(data->mask32_data.nr); | |
937 | for (unsigned i = 0; i < data->mask32_data.nr; i++) | |
938 | data->mask32_data.mask[i] = bswap_32(data->mask32_data.mask[i]); | |
939 | break; | |
940 | case 8: | |
941 | data->mask64_data.nr = bswap_16(data->mask64_data.nr); | |
942 | for (unsigned i = 0; i < data->mask64_data.nr; i++) | |
943 | data->mask64_data.mask[i] = bswap_64(data->mask64_data.mask[i]); | |
944 | break; | |
6640b6c2 JO |
945 | default: |
946 | pr_err("cpu_map swap: unsupported long size\n"); | |
947 | } | |
c7202d20 IR |
948 | break; |
949 | case PERF_CPU_MAP__RANGE_CPUS: | |
950 | data->range_cpu_data.start_cpu = bswap_16(data->range_cpu_data.start_cpu); | |
951 | data->range_cpu_data.end_cpu = bswap_16(data->range_cpu_data.end_cpu); | |
952 | break; | |
6640b6c2 JO |
953 | default: |
954 | break; | |
955 | } | |
956 | } | |
957 | ||
374fb9e3 JO |
958 | static void perf_event__stat_config_swap(union perf_event *event, |
959 | bool sample_id_all __maybe_unused) | |
960 | { | |
961 | u64 size; | |
962 | ||
a11c9a6e | 963 | size = bswap_64(event->stat_config.nr) * sizeof(event->stat_config.data[0]); |
374fb9e3 JO |
964 | size += 1; /* nr item itself */ |
965 | mem_bswap_64(&event->stat_config.nr, size); | |
966 | } | |
967 | ||
d80518c9 JO |
968 | static void perf_event__stat_swap(union perf_event *event, |
969 | bool sample_id_all __maybe_unused) | |
970 | { | |
971 | event->stat.id = bswap_64(event->stat.id); | |
972 | event->stat.thread = bswap_32(event->stat.thread); | |
973 | event->stat.cpu = bswap_32(event->stat.cpu); | |
974 | event->stat.val = bswap_64(event->stat.val); | |
975 | event->stat.ena = bswap_64(event->stat.ena); | |
976 | event->stat.run = bswap_64(event->stat.run); | |
977 | } | |
978 | ||
2d8f0f18 JO |
979 | static void perf_event__stat_round_swap(union perf_event *event, |
980 | bool sample_id_all __maybe_unused) | |
981 | { | |
982 | event->stat_round.type = bswap_64(event->stat_round.type); | |
983 | event->stat_round.time = bswap_64(event->stat_round.time); | |
984 | } | |
985 | ||
050ffc44 LY |
986 | static void perf_event__time_conv_swap(union perf_event *event, |
987 | bool sample_id_all __maybe_unused) | |
988 | { | |
989 | event->time_conv.time_shift = bswap_64(event->time_conv.time_shift); | |
990 | event->time_conv.time_mult = bswap_64(event->time_conv.time_mult); | |
991 | event->time_conv.time_zero = bswap_64(event->time_conv.time_zero); | |
992 | ||
993 | if (event_contains(event->time_conv, time_cycles)) { | |
994 | event->time_conv.time_cycles = bswap_64(event->time_conv.time_cycles); | |
995 | event->time_conv.time_mask = bswap_64(event->time_conv.time_mask); | |
996 | } | |
997 | } | |
998 | ||
268fb20f JO |
999 | typedef void (*perf_event__swap_op)(union perf_event *event, |
1000 | bool sample_id_all); | |
ba21594c | 1001 | |
8115d60c ACM |
1002 | static perf_event__swap_op perf_event__swap_ops[] = { |
1003 | [PERF_RECORD_MMAP] = perf_event__mmap_swap, | |
5c5e854b | 1004 | [PERF_RECORD_MMAP2] = perf_event__mmap2_swap, |
8115d60c ACM |
1005 | [PERF_RECORD_COMM] = perf_event__comm_swap, |
1006 | [PERF_RECORD_FORK] = perf_event__task_swap, | |
1007 | [PERF_RECORD_EXIT] = perf_event__task_swap, | |
1008 | [PERF_RECORD_LOST] = perf_event__all64_swap, | |
1009 | [PERF_RECORD_READ] = perf_event__read_swap, | |
dd96c46b JO |
1010 | [PERF_RECORD_THROTTLE] = perf_event__throttle_swap, |
1011 | [PERF_RECORD_UNTHROTTLE] = perf_event__throttle_swap, | |
8115d60c | 1012 | [PERF_RECORD_SAMPLE] = perf_event__all64_swap, |
4a96f7a0 | 1013 | [PERF_RECORD_AUX] = perf_event__aux_swap, |
0ad21f68 | 1014 | [PERF_RECORD_ITRACE_START] = perf_event__itrace_start_swap, |
c4937a91 | 1015 | [PERF_RECORD_LOST_SAMPLES] = perf_event__all64_swap, |
0286039f AH |
1016 | [PERF_RECORD_SWITCH] = perf_event__switch_swap, |
1017 | [PERF_RECORD_SWITCH_CPU_WIDE] = perf_event__switch_swap, | |
acd244b8 | 1018 | [PERF_RECORD_NAMESPACES] = perf_event__namespaces_swap, |
2c589d93 | 1019 | [PERF_RECORD_CGROUP] = perf_event__cgroup_swap, |
246eba8e | 1020 | [PERF_RECORD_TEXT_POKE] = perf_event__text_poke_swap, |
61750473 | 1021 | [PERF_RECORD_AUX_OUTPUT_HW_ID] = perf_event__all64_swap, |
eda3913b | 1022 | [PERF_RECORD_HEADER_ATTR] = perf_event__hdr_attr_swap, |
8115d60c ACM |
1023 | [PERF_RECORD_HEADER_EVENT_TYPE] = perf_event__event_type_swap, |
1024 | [PERF_RECORD_HEADER_TRACING_DATA] = perf_event__tracing_data_swap, | |
1025 | [PERF_RECORD_HEADER_BUILD_ID] = NULL, | |
3c659eed | 1026 | [PERF_RECORD_ID_INDEX] = perf_event__all64_swap, |
a16ac023 AH |
1027 | [PERF_RECORD_AUXTRACE_INFO] = perf_event__auxtrace_info_swap, |
1028 | [PERF_RECORD_AUXTRACE] = perf_event__auxtrace_swap, | |
e9bf54d2 | 1029 | [PERF_RECORD_AUXTRACE_ERROR] = perf_event__auxtrace_error_swap, |
5f3339d2 | 1030 | [PERF_RECORD_THREAD_MAP] = perf_event__thread_map_swap, |
6640b6c2 | 1031 | [PERF_RECORD_CPU_MAP] = perf_event__cpu_map_swap, |
374fb9e3 | 1032 | [PERF_RECORD_STAT_CONFIG] = perf_event__stat_config_swap, |
d80518c9 | 1033 | [PERF_RECORD_STAT] = perf_event__stat_swap, |
2d8f0f18 | 1034 | [PERF_RECORD_STAT_ROUND] = perf_event__stat_round_swap, |
ffe77725 | 1035 | [PERF_RECORD_EVENT_UPDATE] = perf_event__event_update_swap, |
050ffc44 | 1036 | [PERF_RECORD_TIME_CONV] = perf_event__time_conv_swap, |
8115d60c | 1037 | [PERF_RECORD_HEADER_MAX] = NULL, |
ba21594c ACM |
1038 | }; |
1039 | ||
d6b17beb FW |
1040 | /* |
1041 | * When perf record finishes a pass on every buffers, it records this pseudo | |
1042 | * event. | |
1043 | * We record the max timestamp t found in the pass n. | |
1044 | * Assuming these timestamps are monotonic across cpus, we know that if | |
1045 | * a buffer still has events with timestamps below t, they will be all | |
1046 | * available and then read in the pass n + 1. | |
1047 | * Hence when we start to read the pass n + 2, we can safely flush every | |
1048 | * events with timestamps below t. | |
1049 | * | |
1050 | * ============ PASS n ================= | |
1051 | * CPU 0 | CPU 1 | |
1052 | * | | |
1053 | * cnt1 timestamps | cnt2 timestamps | |
1054 | * 1 | 2 | |
1055 | * 2 | 3 | |
1056 | * - | 4 <--- max recorded | |
1057 | * | |
1058 | * ============ PASS n + 1 ============== | |
1059 | * CPU 0 | CPU 1 | |
1060 | * | | |
1061 | * cnt1 timestamps | cnt2 timestamps | |
1062 | * 3 | 5 | |
1063 | * 4 | 6 | |
1064 | * 5 | 7 <---- max recorded | |
1065 | * | |
1066 | * Flush every events below timestamp 4 | |
1067 | * | |
1068 | * ============ PASS n + 2 ============== | |
1069 | * CPU 0 | CPU 1 | |
1070 | * | | |
1071 | * cnt1 timestamps | cnt2 timestamps | |
1072 | * 6 | 8 | |
1073 | * 7 | 9 | |
1074 | * - | 10 | |
1075 | * | |
1076 | * Flush every events below timestamp 7 | |
1077 | * etc... | |
1078 | */ | |
eddc6e3f AH |
1079 | int perf_event__process_finished_round(struct perf_tool *tool __maybe_unused, |
1080 | union perf_event *event __maybe_unused, | |
1081 | struct ordered_events *oe) | |
d6b17beb | 1082 | { |
5531e162 AH |
1083 | if (dump_trace) |
1084 | fprintf(stdout, "\n"); | |
b7b61cbe | 1085 | return ordered_events__flush(oe, OE_FLUSH__ROUND); |
d6b17beb FW |
1086 | } |
1087 | ||
b7b61cbe | 1088 | int perf_session__queue_event(struct perf_session *s, union perf_event *event, |
2292083f | 1089 | u64 timestamp, u64 file_offset, const char *file_path) |
c61e52ee | 1090 | { |
2292083f | 1091 | return ordered_events__queue(&s->ordered_events, event, timestamp, file_offset, file_path); |
640c03ce | 1092 | } |
c61e52ee | 1093 | |
384b6055 | 1094 | static void callchain__lbr_callstack_printf(struct perf_sample *sample) |
640c03ce | 1095 | { |
384b6055 KL |
1096 | struct ip_callchain *callchain = sample->callchain; |
1097 | struct branch_stack *lbr_stack = sample->branch_stack; | |
42bbabed | 1098 | struct branch_entry *entries = perf_sample__branch_entries(sample); |
384b6055 | 1099 | u64 kernel_callchain_nr = callchain->nr; |
640c03ce | 1100 | unsigned int i; |
c61e52ee | 1101 | |
384b6055 KL |
1102 | for (i = 0; i < kernel_callchain_nr; i++) { |
1103 | if (callchain->ips[i] == PERF_CONTEXT_USER) | |
1104 | break; | |
1105 | } | |
1106 | ||
1107 | if ((i != kernel_callchain_nr) && lbr_stack->nr) { | |
1108 | u64 total_nr; | |
1109 | /* | |
1110 | * LBR callstack can only get user call chain, | |
1111 | * i is kernel call chain number, | |
1112 | * 1 is PERF_CONTEXT_USER. | |
1113 | * | |
1114 | * The user call chain is stored in LBR registers. | |
1115 | * LBR are pair registers. The caller is stored | |
1116 | * in "from" register, while the callee is stored | |
1117 | * in "to" register. | |
1118 | * For example, there is a call stack | |
1119 | * "A"->"B"->"C"->"D". | |
4d39c89f | 1120 | * The LBR registers will be recorded like |
384b6055 KL |
1121 | * "C"->"D", "B"->"C", "A"->"B". |
1122 | * So only the first "to" register and all "from" | |
1123 | * registers are needed to construct the whole stack. | |
1124 | */ | |
1125 | total_nr = i + 1 + lbr_stack->nr + 1; | |
1126 | kernel_callchain_nr = i + 1; | |
1127 | ||
1128 | printf("... LBR call chain: nr:%" PRIu64 "\n", total_nr); | |
1129 | ||
1130 | for (i = 0; i < kernel_callchain_nr; i++) | |
1131 | printf("..... %2d: %016" PRIx64 "\n", | |
1132 | i, callchain->ips[i]); | |
1133 | ||
1134 | printf("..... %2d: %016" PRIx64 "\n", | |
42bbabed | 1135 | (int)(kernel_callchain_nr), entries[0].to); |
384b6055 KL |
1136 | for (i = 0; i < lbr_stack->nr; i++) |
1137 | printf("..... %2d: %016" PRIx64 "\n", | |
42bbabed | 1138 | (int)(i + kernel_callchain_nr + 1), entries[i].from); |
384b6055 KL |
1139 | } |
1140 | } | |
1141 | ||
32dcd021 | 1142 | static void callchain__printf(struct evsel *evsel, |
384b6055 KL |
1143 | struct perf_sample *sample) |
1144 | { | |
1145 | unsigned int i; | |
1146 | struct ip_callchain *callchain = sample->callchain; | |
1147 | ||
4f138a9e | 1148 | if (evsel__has_branch_callstack(evsel)) |
384b6055 KL |
1149 | callchain__lbr_callstack_printf(sample); |
1150 | ||
1151 | printf("... FP chain: nr:%" PRIu64 "\n", callchain->nr); | |
640c03ce | 1152 | |
384b6055 | 1153 | for (i = 0; i < callchain->nr; i++) |
9486aa38 | 1154 | printf("..... %2d: %016" PRIx64 "\n", |
384b6055 | 1155 | i, callchain->ips[i]); |
c61e52ee FW |
1156 | } |
1157 | ||
9fbb4b02 KL |
1158 | static void branch_stack__printf(struct perf_sample *sample, |
1159 | struct evsel *evsel) | |
b5387528 | 1160 | { |
42bbabed | 1161 | struct branch_entry *entries = perf_sample__branch_entries(sample); |
9fbb4b02 KL |
1162 | bool callstack = evsel__has_branch_callstack(evsel); |
1163 | u64 *branch_stack_cntr = sample->branch_stack_cntr; | |
1164 | struct perf_env *env = evsel__env(evsel); | |
b5387528 RAV |
1165 | uint64_t i; |
1166 | ||
51d0bf99 CL |
1167 | if (!callstack) { |
1168 | printf("%s: nr:%" PRIu64 "\n", "... branch stack", sample->branch_stack->nr); | |
1169 | } else { | |
1170 | /* the reason of adding 1 to nr is because after expanding | |
1171 | * branch stack it generates nr + 1 callstack records. e.g., | |
1172 | * B()->C() | |
1173 | * A()->B() | |
1174 | * the final callstack should be: | |
1175 | * C() | |
1176 | * B() | |
1177 | * A() | |
1178 | */ | |
1179 | printf("%s: nr:%" PRIu64 "\n", "... branch callstack", sample->branch_stack->nr+1); | |
1180 | } | |
b5387528 | 1181 | |
0e332f03 | 1182 | for (i = 0; i < sample->branch_stack->nr; i++) { |
42bbabed | 1183 | struct branch_entry *e = &entries[i]; |
0e332f03 | 1184 | |
d2720c3d | 1185 | if (!callstack) { |
8eaf8ec3 | 1186 | printf("..... %2"PRIu64": %016" PRIx64 " -> %016" PRIx64 " %hu cycles %s%s%s%s %x %s %s\n", |
d2720c3d AB |
1187 | i, e->from, e->to, |
1188 | (unsigned short)e->flags.cycles, | |
1189 | e->flags.mispred ? "M" : " ", | |
1190 | e->flags.predicted ? "P" : " ", | |
1191 | e->flags.abort ? "A" : " ", | |
1192 | e->flags.in_tx ? "T" : " ", | |
66fd6c9d | 1193 | (unsigned)e->flags.reserved, |
8eaf8ec3 SD |
1194 | get_branch_type(e), |
1195 | e->flags.spec ? branch_spec_desc(e->flags.spec) : ""); | |
d2720c3d | 1196 | } else { |
51d0bf99 CL |
1197 | if (i == 0) { |
1198 | printf("..... %2"PRIu64": %016" PRIx64 "\n" | |
1199 | "..... %2"PRIu64": %016" PRIx64 "\n", | |
1200 | i, e->to, i+1, e->from); | |
1201 | } else { | |
1202 | printf("..... %2"PRIu64": %016" PRIx64 "\n", i+1, e->from); | |
1203 | } | |
d2720c3d | 1204 | } |
0e332f03 | 1205 | } |
9fbb4b02 KL |
1206 | |
1207 | if (branch_stack_cntr) { | |
1208 | printf("... branch stack counters: nr:%" PRIu64 " (counter width: %u max counter nr:%u)\n", | |
1209 | sample->branch_stack->nr, env->br_cntr_width, env->br_cntr_nr); | |
1210 | for (i = 0; i < sample->branch_stack->nr; i++) | |
1211 | printf("..... %2"PRIu64": %016" PRIx64 "\n", i, branch_stack_cntr[i]); | |
1212 | } | |
b5387528 RAV |
1213 | } |
1214 | ||
83869019 | 1215 | static void regs_dump__printf(u64 mask, u64 *regs, const char *arch) |
0f6a3015 JO |
1216 | { |
1217 | unsigned rid, i = 0; | |
1218 | ||
1219 | for_each_set_bit(rid, (unsigned long *) &mask, sizeof(mask) * 8) { | |
1220 | u64 val = regs[i++]; | |
1221 | ||
498ef715 | 1222 | printf(".... %-5s 0x%016" PRIx64 "\n", |
83869019 | 1223 | perf_reg_name(rid, arch), val); |
0f6a3015 JO |
1224 | } |
1225 | } | |
1226 | ||
6a21c0b5 SE |
1227 | static const char *regs_abi[] = { |
1228 | [PERF_SAMPLE_REGS_ABI_NONE] = "none", | |
1229 | [PERF_SAMPLE_REGS_ABI_32] = "32-bit", | |
1230 | [PERF_SAMPLE_REGS_ABI_64] = "64-bit", | |
1231 | }; | |
1232 | ||
1233 | static inline const char *regs_dump_abi(struct regs_dump *d) | |
1234 | { | |
1235 | if (d->abi > PERF_SAMPLE_REGS_ABI_64) | |
1236 | return "unknown"; | |
1237 | ||
1238 | return regs_abi[d->abi]; | |
1239 | } | |
1240 | ||
83869019 | 1241 | static void regs__printf(const char *type, struct regs_dump *regs, const char *arch) |
6a21c0b5 SE |
1242 | { |
1243 | u64 mask = regs->mask; | |
1244 | ||
1245 | printf("... %s regs: mask 0x%" PRIx64 " ABI %s\n", | |
1246 | type, | |
1247 | mask, | |
1248 | regs_dump_abi(regs)); | |
1249 | ||
83869019 | 1250 | regs_dump__printf(mask, regs->regs, arch); |
6a21c0b5 SE |
1251 | } |
1252 | ||
83869019 | 1253 | static void regs_user__printf(struct perf_sample *sample, const char *arch) |
0f6a3015 JO |
1254 | { |
1255 | struct regs_dump *user_regs = &sample->user_regs; | |
1256 | ||
6a21c0b5 | 1257 | if (user_regs->regs) |
83869019 | 1258 | regs__printf("user", user_regs, arch); |
6a21c0b5 SE |
1259 | } |
1260 | ||
83869019 | 1261 | static void regs_intr__printf(struct perf_sample *sample, const char *arch) |
6a21c0b5 SE |
1262 | { |
1263 | struct regs_dump *intr_regs = &sample->intr_regs; | |
1264 | ||
1265 | if (intr_regs->regs) | |
83869019 | 1266 | regs__printf("intr", intr_regs, arch); |
0f6a3015 JO |
1267 | } |
1268 | ||
1269 | static void stack_user__printf(struct stack_dump *dump) | |
1270 | { | |
1271 | printf("... ustack: size %" PRIu64 ", offset 0x%x\n", | |
1272 | dump->size, dump->offset); | |
1273 | } | |
1274 | ||
71273724 | 1275 | static void evlist__print_tstamp(struct evlist *evlist, union perf_event *event, struct perf_sample *sample) |
9c90a61c | 1276 | { |
b3c2cc2b | 1277 | u64 sample_type = __evlist__combined_sample_type(evlist); |
7f3be652 | 1278 | |
9c90a61c | 1279 | if (event->header.type != PERF_RECORD_SAMPLE && |
8cedf3a5 | 1280 | !evlist__sample_id_all(evlist)) { |
9c90a61c ACM |
1281 | fputs("-1 -1 ", stdout); |
1282 | return; | |
1283 | } | |
1284 | ||
7f3be652 | 1285 | if ((sample_type & PERF_SAMPLE_CPU)) |
9c90a61c ACM |
1286 | printf("%u ", sample->cpu); |
1287 | ||
7f3be652 | 1288 | if (sample_type & PERF_SAMPLE_TIME) |
9486aa38 | 1289 | printf("%" PRIu64 " ", sample->time); |
9c90a61c ACM |
1290 | } |
1291 | ||
9ede473c JO |
1292 | static void sample_read__printf(struct perf_sample *sample, u64 read_format) |
1293 | { | |
1294 | printf("... sample_read:\n"); | |
1295 | ||
1296 | if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) | |
1297 | printf("...... time enabled %016" PRIx64 "\n", | |
1298 | sample->read.time_enabled); | |
1299 | ||
1300 | if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) | |
1301 | printf("...... time running %016" PRIx64 "\n", | |
1302 | sample->read.time_running); | |
1303 | ||
1304 | if (read_format & PERF_FORMAT_GROUP) { | |
f52679b7 | 1305 | struct sample_read_value *value = sample->read.group.values; |
9ede473c JO |
1306 | |
1307 | printf(".... group nr %" PRIu64 "\n", sample->read.group.nr); | |
1308 | ||
f52679b7 | 1309 | sample_read_group__for_each(value, sample->read.group.nr, read_format) { |
9ede473c | 1310 | printf("..... id %016" PRIx64 |
f52679b7 | 1311 | ", value %016" PRIx64, |
9ede473c | 1312 | value->id, value->value); |
f52679b7 NK |
1313 | if (read_format & PERF_FORMAT_LOST) |
1314 | printf(", lost %" PRIu64, value->lost); | |
1315 | printf("\n"); | |
9ede473c | 1316 | } |
f52679b7 NK |
1317 | } else { |
1318 | printf("..... id %016" PRIx64 ", value %016" PRIx64, | |
9ede473c | 1319 | sample->read.one.id, sample->read.one.value); |
f52679b7 NK |
1320 | if (read_format & PERF_FORMAT_LOST) |
1321 | printf(", lost %" PRIu64, sample->read.one.lost); | |
1322 | printf("\n"); | |
1323 | } | |
9ede473c JO |
1324 | } |
1325 | ||
63503dba | 1326 | static void dump_event(struct evlist *evlist, union perf_event *event, |
2292083f AB |
1327 | u64 file_offset, struct perf_sample *sample, |
1328 | const char *file_path) | |
9aefcab0 TG |
1329 | { |
1330 | if (!dump_trace) | |
1331 | return; | |
1332 | ||
2292083f AB |
1333 | printf("\n%#" PRIx64 "@%s [%#x]: event: %d\n", |
1334 | file_offset, file_path, event->header.size, event->header.type); | |
9aefcab0 TG |
1335 | |
1336 | trace_event(event); | |
93115d32 TR |
1337 | if (event->header.type == PERF_RECORD_SAMPLE && evlist->trace_event_sample_raw) |
1338 | evlist->trace_event_sample_raw(evlist, event, sample); | |
9aefcab0 TG |
1339 | |
1340 | if (sample) | |
71273724 | 1341 | evlist__print_tstamp(evlist, event, sample); |
9aefcab0 | 1342 | |
9486aa38 | 1343 | printf("%#" PRIx64 " [%#x]: PERF_RECORD_%s", file_offset, |
8115d60c | 1344 | event->header.size, perf_event__name(event->header.type)); |
9aefcab0 TG |
1345 | } |
1346 | ||
6b9bae63 KL |
1347 | char *get_page_size_name(u64 size, char *str) |
1348 | { | |
1349 | if (!size || !unit_number__scnprintf(str, PAGE_SIZE_NAME_LEN, size)) | |
1350 | snprintf(str, PAGE_SIZE_NAME_LEN, "%s", "N/A"); | |
1351 | ||
1352 | return str; | |
1353 | } | |
1354 | ||
32dcd021 | 1355 | static void dump_sample(struct evsel *evsel, union perf_event *event, |
83869019 | 1356 | struct perf_sample *sample, const char *arch) |
9aefcab0 | 1357 | { |
7f3be652 | 1358 | u64 sample_type; |
6b9bae63 | 1359 | char str[PAGE_SIZE_NAME_LEN]; |
7f3be652 | 1360 | |
ddbc24b7 ACM |
1361 | if (!dump_trace) |
1362 | return; | |
1363 | ||
0ea590ae | 1364 | printf("(IP, 0x%x): %d/%d: %#" PRIx64 " period: %" PRIu64 " addr: %#" PRIx64 "\n", |
9486aa38 | 1365 | event->header.misc, sample->pid, sample->tid, sample->ip, |
7cec0922 | 1366 | sample->period, sample->addr); |
9aefcab0 | 1367 | |
1fc632ce | 1368 | sample_type = evsel->core.attr.sample_type; |
7f3be652 | 1369 | |
27de9b2b | 1370 | if (evsel__has_callchain(evsel)) |
384b6055 | 1371 | callchain__printf(evsel, sample); |
b5387528 | 1372 | |
6cd2cbfc | 1373 | if (evsel__has_br_stack(evsel)) |
9fbb4b02 | 1374 | branch_stack__printf(sample, evsel); |
0f6a3015 JO |
1375 | |
1376 | if (sample_type & PERF_SAMPLE_REGS_USER) | |
83869019 | 1377 | regs_user__printf(sample, arch); |
0f6a3015 | 1378 | |
6a21c0b5 | 1379 | if (sample_type & PERF_SAMPLE_REGS_INTR) |
83869019 | 1380 | regs_intr__printf(sample, arch); |
6a21c0b5 | 1381 | |
0f6a3015 JO |
1382 | if (sample_type & PERF_SAMPLE_STACK_USER) |
1383 | stack_user__printf(&sample->user_stack); | |
05484298 | 1384 | |
590db42d KL |
1385 | if (sample_type & PERF_SAMPLE_WEIGHT_TYPE) { |
1386 | printf("... weight: %" PRIu64 "", sample->weight); | |
06e5ca74 | 1387 | if (sample_type & PERF_SAMPLE_WEIGHT_STRUCT) { |
590db42d | 1388 | printf(",0x%"PRIx16"", sample->ins_lat); |
06e5ca74 AR |
1389 | printf(",0x%"PRIx16"", sample->p_stage_cyc); |
1390 | } | |
590db42d KL |
1391 | printf("\n"); |
1392 | } | |
98a3b32c SE |
1393 | |
1394 | if (sample_type & PERF_SAMPLE_DATA_SRC) | |
1395 | printf(" . data_src: 0x%"PRIx64"\n", sample->data_src); | |
9ede473c | 1396 | |
8780fb25 KL |
1397 | if (sample_type & PERF_SAMPLE_PHYS_ADDR) |
1398 | printf(" .. phys_addr: 0x%"PRIx64"\n", sample->phys_addr); | |
1399 | ||
6b9bae63 KL |
1400 | if (sample_type & PERF_SAMPLE_DATA_PAGE_SIZE) |
1401 | printf(" .. data page size: %s\n", get_page_size_name(sample->data_page_size, str)); | |
1402 | ||
c513de8a SE |
1403 | if (sample_type & PERF_SAMPLE_CODE_PAGE_SIZE) |
1404 | printf(" .. code page size: %s\n", get_page_size_name(sample->code_page_size, str)); | |
1405 | ||
475eeab9 AK |
1406 | if (sample_type & PERF_SAMPLE_TRANSACTION) |
1407 | printf("... transaction: %" PRIx64 "\n", sample->transaction); | |
1408 | ||
9ede473c | 1409 | if (sample_type & PERF_SAMPLE_READ) |
1fc632ce | 1410 | sample_read__printf(sample, evsel->core.attr.read_format); |
9aefcab0 TG |
1411 | } |
1412 | ||
32dcd021 | 1413 | static void dump_read(struct evsel *evsel, union perf_event *event) |
dac7f6b7 | 1414 | { |
69d81f09 | 1415 | struct perf_record_read *read_event = &event->read; |
dac7f6b7 JO |
1416 | u64 read_format; |
1417 | ||
1418 | if (!dump_trace) | |
1419 | return; | |
1420 | ||
213a6c1d | 1421 | printf(": %d %d %s %" PRI_lu64 "\n", event->read.pid, event->read.tid, |
8ab2e96d | 1422 | evsel__name(evsel), event->read.value); |
dac7f6b7 | 1423 | |
f3c8d907 LY |
1424 | if (!evsel) |
1425 | return; | |
1426 | ||
1fc632ce | 1427 | read_format = evsel->core.attr.read_format; |
dac7f6b7 JO |
1428 | |
1429 | if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) | |
213a6c1d | 1430 | printf("... time enabled : %" PRI_lu64 "\n", read_event->time_enabled); |
dac7f6b7 JO |
1431 | |
1432 | if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) | |
213a6c1d | 1433 | printf("... time running : %" PRI_lu64 "\n", read_event->time_running); |
dac7f6b7 JO |
1434 | |
1435 | if (read_format & PERF_FORMAT_ID) | |
213a6c1d | 1436 | printf("... id : %" PRI_lu64 "\n", read_event->id); |
f52679b7 NK |
1437 | |
1438 | if (read_format & PERF_FORMAT_LOST) | |
1439 | printf("... lost : %" PRI_lu64 "\n", read_event->lost); | |
dac7f6b7 JO |
1440 | } |
1441 | ||
54245fdc | 1442 | static struct machine *machines__find_for_cpumode(struct machines *machines, |
ef89325f AH |
1443 | union perf_event *event, |
1444 | struct perf_sample *sample) | |
743eb868 | 1445 | { |
7c0f4a41 | 1446 | if (perf_guest && |
473398a2 ACM |
1447 | ((sample->cpumode == PERF_RECORD_MISC_GUEST_KERNEL) || |
1448 | (sample->cpumode == PERF_RECORD_MISC_GUEST_USER))) { | |
7fb0a5ee ND |
1449 | u32 pid; |
1450 | ||
63504909 AH |
1451 | if (sample->machine_pid) |
1452 | pid = sample->machine_pid; | |
1453 | else if (event->header.type == PERF_RECORD_MMAP | |
5c5e854b | 1454 | || event->header.type == PERF_RECORD_MMAP2) |
7fb0a5ee ND |
1455 | pid = event->mmap.pid; |
1456 | else | |
ef89325f | 1457 | pid = sample->pid; |
7fb0a5ee | 1458 | |
096fc361 AH |
1459 | /* |
1460 | * Guest code machine is created as needed and does not use | |
1461 | * DEFAULT_GUEST_KERNEL_ID. | |
1462 | */ | |
1463 | if (symbol_conf.guest_code) | |
1464 | return machines__findnew(machines, pid); | |
1465 | ||
fcda5ff7 | 1466 | return machines__find_guest(machines, pid); |
7fb0a5ee | 1467 | } |
743eb868 | 1468 | |
54245fdc | 1469 | return &machines->host; |
743eb868 ACM |
1470 | } |
1471 | ||
63503dba | 1472 | static int deliver_sample_value(struct evlist *evlist, |
e4caec0d JO |
1473 | struct perf_tool *tool, |
1474 | union perf_event *event, | |
1475 | struct perf_sample *sample, | |
1476 | struct sample_read_value *v, | |
1477 | struct machine *machine) | |
1478 | { | |
3ccf8a7b | 1479 | struct perf_sample_id *sid = evlist__id2sid(evlist, v->id); |
70c20369 | 1480 | struct evsel *evsel; |
e4caec0d | 1481 | |
e4caec0d JO |
1482 | if (sid) { |
1483 | sample->id = v->id; | |
1484 | sample->period = v->value - sid->period; | |
1485 | sid->period = v->value; | |
1486 | } | |
1487 | ||
1488 | if (!sid || sid->evsel == NULL) { | |
313e53b0 | 1489 | ++evlist->stats.nr_unknown_id; |
e4caec0d JO |
1490 | return 0; |
1491 | } | |
1492 | ||
529c1a9e JO |
1493 | /* |
1494 | * There's no reason to deliver sample | |
1495 | * for zero period, bail out. | |
1496 | */ | |
1497 | if (!sample->period) | |
1498 | return 0; | |
1499 | ||
70c20369 JO |
1500 | evsel = container_of(sid->evsel, struct evsel, core); |
1501 | return tool->sample(tool, event, sample, evsel, machine); | |
e4caec0d JO |
1502 | } |
1503 | ||
63503dba | 1504 | static int deliver_sample_group(struct evlist *evlist, |
e4caec0d JO |
1505 | struct perf_tool *tool, |
1506 | union perf_event *event, | |
1507 | struct perf_sample *sample, | |
f52679b7 NK |
1508 | struct machine *machine, |
1509 | u64 read_format) | |
e4caec0d JO |
1510 | { |
1511 | int ret = -EINVAL; | |
f52679b7 | 1512 | struct sample_read_value *v = sample->read.group.values; |
e4caec0d | 1513 | |
f52679b7 NK |
1514 | sample_read_group__for_each(v, sample->read.group.nr, read_format) { |
1515 | ret = deliver_sample_value(evlist, tool, event, sample, v, | |
e4caec0d JO |
1516 | machine); |
1517 | if (ret) | |
1518 | break; | |
1519 | } | |
1520 | ||
1521 | return ret; | |
1522 | } | |
1523 | ||
515ea461 ACM |
1524 | static int evlist__deliver_sample(struct evlist *evlist, struct perf_tool *tool, |
1525 | union perf_event *event, struct perf_sample *sample, | |
1526 | struct evsel *evsel, struct machine *machine) | |
e4caec0d JO |
1527 | { |
1528 | /* We know evsel != NULL. */ | |
1fc632ce JO |
1529 | u64 sample_type = evsel->core.attr.sample_type; |
1530 | u64 read_format = evsel->core.attr.read_format; | |
e4caec0d | 1531 | |
d94386f2 | 1532 | /* Standard sample delivery. */ |
e4caec0d JO |
1533 | if (!(sample_type & PERF_SAMPLE_READ)) |
1534 | return tool->sample(tool, event, sample, evsel, machine); | |
1535 | ||
1536 | /* For PERF_SAMPLE_READ we have either single or group mode. */ | |
1537 | if (read_format & PERF_FORMAT_GROUP) | |
313e53b0 | 1538 | return deliver_sample_group(evlist, tool, event, sample, |
f52679b7 | 1539 | machine, read_format); |
e4caec0d | 1540 | else |
313e53b0 | 1541 | return deliver_sample_value(evlist, tool, event, sample, |
e4caec0d JO |
1542 | &sample->read.one, machine); |
1543 | } | |
1544 | ||
d10eb1eb | 1545 | static int machines__deliver_event(struct machines *machines, |
63503dba | 1546 | struct evlist *evlist, |
d10eb1eb ACM |
1547 | union perf_event *event, |
1548 | struct perf_sample *sample, | |
2292083f AB |
1549 | struct perf_tool *tool, u64 file_offset, |
1550 | const char *file_path) | |
cbf41645 | 1551 | { |
32dcd021 | 1552 | struct evsel *evsel; |
743eb868 | 1553 | struct machine *machine; |
9e69c210 | 1554 | |
2292083f | 1555 | dump_event(evlist, event, file_offset, sample, file_path); |
532e7269 | 1556 | |
3ccf8a7b | 1557 | evsel = evlist__id2evsel(evlist, sample->id); |
7b27509f | 1558 | |
fa713a4e | 1559 | machine = machines__find_for_cpumode(machines, event, sample); |
743eb868 | 1560 | |
cbf41645 TG |
1561 | switch (event->header.type) { |
1562 | case PERF_RECORD_SAMPLE: | |
9e69c210 | 1563 | if (evsel == NULL) { |
313e53b0 | 1564 | ++evlist->stats.nr_unknown_id; |
6782206b | 1565 | return 0; |
9e69c210 | 1566 | } |
0c095715 | 1567 | if (machine == NULL) { |
313e53b0 | 1568 | ++evlist->stats.nr_unprocessable_samples; |
d792a7a9 | 1569 | dump_sample(evsel, event, sample, perf_env__arch(NULL)); |
6782206b | 1570 | return 0; |
0c095715 | 1571 | } |
d792a7a9 | 1572 | dump_sample(evsel, event, sample, perf_env__arch(machine->env)); |
515ea461 | 1573 | return evlist__deliver_sample(evlist, tool, event, sample, evsel, machine); |
cbf41645 | 1574 | case PERF_RECORD_MMAP: |
45694aa7 | 1575 | return tool->mmap(tool, event, sample, machine); |
5c5e854b | 1576 | case PERF_RECORD_MMAP2: |
930e6fcd KL |
1577 | if (event->header.misc & PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT) |
1578 | ++evlist->stats.nr_proc_map_timeout; | |
5c5e854b | 1579 | return tool->mmap2(tool, event, sample, machine); |
cbf41645 | 1580 | case PERF_RECORD_COMM: |
45694aa7 | 1581 | return tool->comm(tool, event, sample, machine); |
f3b3614a HB |
1582 | case PERF_RECORD_NAMESPACES: |
1583 | return tool->namespaces(tool, event, sample, machine); | |
ba78c1c5 NK |
1584 | case PERF_RECORD_CGROUP: |
1585 | return tool->cgroup(tool, event, sample, machine); | |
cbf41645 | 1586 | case PERF_RECORD_FORK: |
45694aa7 | 1587 | return tool->fork(tool, event, sample, machine); |
cbf41645 | 1588 | case PERF_RECORD_EXIT: |
45694aa7 | 1589 | return tool->exit(tool, event, sample, machine); |
cbf41645 | 1590 | case PERF_RECORD_LOST: |
45694aa7 | 1591 | if (tool->lost == perf_event__process_lost) |
313e53b0 | 1592 | evlist->stats.total_lost += event->lost.lost; |
45694aa7 | 1593 | return tool->lost(tool, event, sample, machine); |
c4937a91 | 1594 | case PERF_RECORD_LOST_SAMPLES: |
27c6f245 NK |
1595 | if (tool->lost_samples == perf_event__process_lost_samples && |
1596 | !(event->header.misc & PERF_RECORD_MISC_LOST_SAMPLES_BPF)) | |
c4937a91 KL |
1597 | evlist->stats.total_lost_samples += event->lost_samples.lost; |
1598 | return tool->lost_samples(tool, event, sample, machine); | |
cbf41645 | 1599 | case PERF_RECORD_READ: |
dac7f6b7 | 1600 | dump_read(evsel, event); |
45694aa7 | 1601 | return tool->read(tool, event, sample, evsel, machine); |
cbf41645 | 1602 | case PERF_RECORD_THROTTLE: |
45694aa7 | 1603 | return tool->throttle(tool, event, sample, machine); |
cbf41645 | 1604 | case PERF_RECORD_UNTHROTTLE: |
45694aa7 | 1605 | return tool->unthrottle(tool, event, sample, machine); |
4a96f7a0 | 1606 | case PERF_RECORD_AUX: |
05a1f47e AS |
1607 | if (tool->aux == perf_event__process_aux) { |
1608 | if (event->aux.flags & PERF_AUX_FLAG_TRUNCATED) | |
1609 | evlist->stats.total_aux_lost += 1; | |
1610 | if (event->aux.flags & PERF_AUX_FLAG_PARTIAL) | |
1611 | evlist->stats.total_aux_partial += 1; | |
c68b421d SP |
1612 | if (event->aux.flags & PERF_AUX_FLAG_COLLISION) |
1613 | evlist->stats.total_aux_collision += 1; | |
05a1f47e | 1614 | } |
4a96f7a0 | 1615 | return tool->aux(tool, event, sample, machine); |
0ad21f68 AH |
1616 | case PERF_RECORD_ITRACE_START: |
1617 | return tool->itrace_start(tool, event, sample, machine); | |
0286039f AH |
1618 | case PERF_RECORD_SWITCH: |
1619 | case PERF_RECORD_SWITCH_CPU_WIDE: | |
1620 | return tool->context_switch(tool, event, sample, machine); | |
9aa0bfa3 SL |
1621 | case PERF_RECORD_KSYMBOL: |
1622 | return tool->ksymbol(tool, event, sample, machine); | |
45178a92 | 1623 | case PERF_RECORD_BPF_EVENT: |
3f604b5f | 1624 | return tool->bpf(tool, event, sample, machine); |
246eba8e AH |
1625 | case PERF_RECORD_TEXT_POKE: |
1626 | return tool->text_poke(tool, event, sample, machine); | |
61750473 AH |
1627 | case PERF_RECORD_AUX_OUTPUT_HW_ID: |
1628 | return tool->aux_output_hw_id(tool, event, sample, machine); | |
cbf41645 | 1629 | default: |
313e53b0 | 1630 | ++evlist->stats.nr_unknown_events; |
cbf41645 TG |
1631 | return -1; |
1632 | } | |
1633 | } | |
1634 | ||
c446870d AH |
1635 | static int perf_session__deliver_event(struct perf_session *session, |
1636 | union perf_event *event, | |
c446870d | 1637 | struct perf_tool *tool, |
2292083f AB |
1638 | u64 file_offset, |
1639 | const char *file_path) | |
c446870d | 1640 | { |
93d10af2 | 1641 | struct perf_sample sample; |
2a6599cd | 1642 | int ret = evlist__parse_sample(session->evlist, event, &sample); |
c446870d | 1643 | |
93d10af2 JO |
1644 | if (ret) { |
1645 | pr_err("Can't parse sample, err = %d\n", ret); | |
1646 | return ret; | |
1647 | } | |
1648 | ||
1649 | ret = auxtrace__process_event(session, event, &sample, tool); | |
c446870d AH |
1650 | if (ret < 0) |
1651 | return ret; | |
1652 | if (ret > 0) | |
1653 | return 0; | |
1654 | ||
b04b8dd1 | 1655 | ret = machines__deliver_event(&session->machines, session->evlist, |
2292083f | 1656 | event, &sample, tool, file_offset, file_path); |
b04b8dd1 AH |
1657 | |
1658 | if (dump_trace && sample.aux_sample.size) | |
1659 | auxtrace__dump_auxtrace_sample(session, &sample); | |
1660 | ||
1661 | return ret; | |
c446870d AH |
1662 | } |
1663 | ||
d5652d86 AH |
1664 | static s64 perf_session__process_user_event(struct perf_session *session, |
1665 | union perf_event *event, | |
2292083f AB |
1666 | u64 file_offset, |
1667 | const char *file_path) | |
06aae590 | 1668 | { |
d704ebda | 1669 | struct ordered_events *oe = &session->ordered_events; |
9870d780 | 1670 | struct perf_tool *tool = session->tool; |
f250b09c | 1671 | struct perf_sample sample = { .time = 0, }; |
8ceb41d7 | 1672 | int fd = perf_data__fd(session->data); |
10d0f086 ACM |
1673 | int err; |
1674 | ||
61a7773c AB |
1675 | if (event->header.type != PERF_RECORD_COMPRESSED || |
1676 | tool->compressed == perf_session__process_compressed_event_stub) | |
2292083f | 1677 | dump_event(session->evlist, event, file_offset, &sample, file_path); |
06aae590 | 1678 | |
cbf41645 | 1679 | /* These events are processed right away */ |
06aae590 | 1680 | switch (event->header.type) { |
2c46dbb5 | 1681 | case PERF_RECORD_HEADER_ATTR: |
47c3d109 | 1682 | err = tool->attr(tool, event, &session->evlist); |
cfe1c414 | 1683 | if (err == 0) { |
7b56cce2 | 1684 | perf_session__set_id_hdr_size(session); |
cfe1c414 AH |
1685 | perf_session__set_comm_exec(session); |
1686 | } | |
10d0f086 | 1687 | return err; |
ffe77725 JO |
1688 | case PERF_RECORD_EVENT_UPDATE: |
1689 | return tool->event_update(tool, event, &session->evlist); | |
f67697bd JO |
1690 | case PERF_RECORD_HEADER_EVENT_TYPE: |
1691 | /* | |
4d39c89f | 1692 | * Deprecated, but we need to handle it for sake |
f67697bd JO |
1693 | * of old data files create in pipe mode. |
1694 | */ | |
1695 | return 0; | |
9215545e | 1696 | case PERF_RECORD_HEADER_TRACING_DATA: |
b491198d JO |
1697 | /* |
1698 | * Setup for reading amidst mmap, but only when we | |
1699 | * are in 'file' mode. The 'pipe' fd is in proper | |
1700 | * place already. | |
1701 | */ | |
1702 | if (!perf_data__is_pipe(session->data)) | |
1703 | lseek(fd, file_offset, SEEK_SET); | |
89f1688a | 1704 | return tool->tracing_data(session, event); |
c7929e47 | 1705 | case PERF_RECORD_HEADER_BUILD_ID: |
89f1688a | 1706 | return tool->build_id(session, event); |
d6b17beb | 1707 | case PERF_RECORD_FINISHED_ROUND: |
d704ebda | 1708 | return tool->finished_round(tool, event, oe); |
3c659eed | 1709 | case PERF_RECORD_ID_INDEX: |
89f1688a | 1710 | return tool->id_index(session, event); |
a16ac023 | 1711 | case PERF_RECORD_AUXTRACE_INFO: |
89f1688a | 1712 | return tool->auxtrace_info(session, event); |
a16ac023 | 1713 | case PERF_RECORD_AUXTRACE: |
14bf4784 NK |
1714 | /* |
1715 | * Setup for reading amidst mmap, but only when we | |
1716 | * are in 'file' mode. The 'pipe' fd is in proper | |
1717 | * place already. | |
1718 | */ | |
1719 | if (!perf_data__is_pipe(session->data)) | |
1720 | lseek(fd, file_offset + event->header.size, SEEK_SET); | |
7336555a | 1721 | return tool->auxtrace(session, event); |
e9bf54d2 | 1722 | case PERF_RECORD_AUXTRACE_ERROR: |
85ed4729 | 1723 | perf_session__auxtrace_error_inc(session, event); |
89f1688a | 1724 | return tool->auxtrace_error(session, event); |
5f3339d2 | 1725 | case PERF_RECORD_THREAD_MAP: |
89f1688a | 1726 | return tool->thread_map(session, event); |
6640b6c2 | 1727 | case PERF_RECORD_CPU_MAP: |
89f1688a | 1728 | return tool->cpu_map(session, event); |
374fb9e3 | 1729 | case PERF_RECORD_STAT_CONFIG: |
89f1688a | 1730 | return tool->stat_config(session, event); |
d80518c9 | 1731 | case PERF_RECORD_STAT: |
89f1688a | 1732 | return tool->stat(session, event); |
2d8f0f18 | 1733 | case PERF_RECORD_STAT_ROUND: |
89f1688a | 1734 | return tool->stat_round(session, event); |
46bc29b9 AH |
1735 | case PERF_RECORD_TIME_CONV: |
1736 | session->time_conv = event->time_conv; | |
89f1688a | 1737 | return tool->time_conv(session, event); |
e9def1b2 | 1738 | case PERF_RECORD_HEADER_FEATURE: |
89f1688a | 1739 | return tool->feature(session, event); |
61a7773c | 1740 | case PERF_RECORD_COMPRESSED: |
2292083f | 1741 | err = tool->compressed(session, event, file_offset, file_path); |
61a7773c | 1742 | if (err) |
2292083f | 1743 | dump_event(session->evlist, event, file_offset, &sample, file_path); |
61a7773c | 1744 | return err; |
3812d298 AH |
1745 | case PERF_RECORD_FINISHED_INIT: |
1746 | return tool->finished_init(session, event); | |
06aae590 | 1747 | default: |
ba74f064 | 1748 | return -EINVAL; |
06aae590 | 1749 | } |
ba74f064 TG |
1750 | } |
1751 | ||
a293829d AH |
1752 | int perf_session__deliver_synth_event(struct perf_session *session, |
1753 | union perf_event *event, | |
b7b61cbe | 1754 | struct perf_sample *sample) |
a293829d | 1755 | { |
63503dba | 1756 | struct evlist *evlist = session->evlist; |
9870d780 | 1757 | struct perf_tool *tool = session->tool; |
fa713a4e ACM |
1758 | |
1759 | events_stats__inc(&evlist->stats, event->header.type); | |
a293829d AH |
1760 | |
1761 | if (event->header.type >= PERF_RECORD_USER_TYPE_START) | |
2292083f | 1762 | return perf_session__process_user_event(session, event, 0, NULL); |
a293829d | 1763 | |
2292083f | 1764 | return machines__deliver_event(&session->machines, evlist, event, sample, tool, 0, NULL); |
a293829d AH |
1765 | } |
1766 | ||
268fb20f JO |
1767 | static void event_swap(union perf_event *event, bool sample_id_all) |
1768 | { | |
1769 | perf_event__swap_op swap; | |
1770 | ||
1771 | swap = perf_event__swap_ops[event->header.type]; | |
1772 | if (swap) | |
1773 | swap(event, sample_id_all); | |
1774 | } | |
1775 | ||
5a52f33a AH |
1776 | int perf_session__peek_event(struct perf_session *session, off_t file_offset, |
1777 | void *buf, size_t buf_sz, | |
1778 | union perf_event **event_ptr, | |
1779 | struct perf_sample *sample) | |
1780 | { | |
1781 | union perf_event *event; | |
1782 | size_t hdr_sz, rest; | |
1783 | int fd; | |
1784 | ||
1785 | if (session->one_mmap && !session->header.needs_swap) { | |
1786 | event = file_offset - session->one_mmap_offset + | |
1787 | session->one_mmap_addr; | |
1788 | goto out_parse_sample; | |
1789 | } | |
1790 | ||
8ceb41d7 | 1791 | if (perf_data__is_pipe(session->data)) |
5a52f33a AH |
1792 | return -1; |
1793 | ||
8ceb41d7 | 1794 | fd = perf_data__fd(session->data); |
5a52f33a AH |
1795 | hdr_sz = sizeof(struct perf_event_header); |
1796 | ||
1797 | if (buf_sz < hdr_sz) | |
1798 | return -1; | |
1799 | ||
1800 | if (lseek(fd, file_offset, SEEK_SET) == (off_t)-1 || | |
554e92ed | 1801 | readn(fd, buf, hdr_sz) != (ssize_t)hdr_sz) |
5a52f33a AH |
1802 | return -1; |
1803 | ||
1804 | event = (union perf_event *)buf; | |
1805 | ||
1806 | if (session->header.needs_swap) | |
1807 | perf_event_header__bswap(&event->header); | |
1808 | ||
554e92ed | 1809 | if (event->header.size < hdr_sz || event->header.size > buf_sz) |
5a52f33a AH |
1810 | return -1; |
1811 | ||
197eecb6 | 1812 | buf += hdr_sz; |
5a52f33a AH |
1813 | rest = event->header.size - hdr_sz; |
1814 | ||
554e92ed | 1815 | if (readn(fd, buf, rest) != (ssize_t)rest) |
5a52f33a AH |
1816 | return -1; |
1817 | ||
1818 | if (session->header.needs_swap) | |
8cedf3a5 | 1819 | event_swap(event, evlist__sample_id_all(session->evlist)); |
5a52f33a AH |
1820 | |
1821 | out_parse_sample: | |
1822 | ||
1823 | if (sample && event->header.type < PERF_RECORD_USER_TYPE_START && | |
2a6599cd | 1824 | evlist__parse_sample(session->evlist, event, sample)) |
5a52f33a AH |
1825 | return -1; |
1826 | ||
1827 | *event_ptr = event; | |
1828 | ||
1829 | return 0; | |
1830 | } | |
1831 | ||
103ed40e AH |
1832 | int perf_session__peek_events(struct perf_session *session, u64 offset, |
1833 | u64 size, peek_events_cb_t cb, void *data) | |
1834 | { | |
1835 | u64 max_offset = offset + size; | |
1836 | char buf[PERF_SAMPLE_MAX_SIZE]; | |
1837 | union perf_event *event; | |
1838 | int err; | |
1839 | ||
1840 | do { | |
1841 | err = perf_session__peek_event(session, offset, buf, | |
1842 | PERF_SAMPLE_MAX_SIZE, &event, | |
1843 | NULL); | |
1844 | if (err) | |
1845 | return err; | |
1846 | ||
1847 | err = cb(session, event, offset, data); | |
1848 | if (err) | |
1849 | return err; | |
1850 | ||
1851 | offset += event->header.size; | |
1852 | if (event->header.type == PERF_RECORD_AUXTRACE) | |
1853 | offset += event->auxtrace.size; | |
1854 | ||
1855 | } while (offset < max_offset); | |
1856 | ||
1857 | return err; | |
1858 | } | |
1859 | ||
d5652d86 | 1860 | static s64 perf_session__process_event(struct perf_session *session, |
2292083f AB |
1861 | union perf_event *event, u64 file_offset, |
1862 | const char *file_path) | |
ba74f064 | 1863 | { |
63503dba | 1864 | struct evlist *evlist = session->evlist; |
9870d780 | 1865 | struct perf_tool *tool = session->tool; |
ba74f064 TG |
1866 | int ret; |
1867 | ||
268fb20f | 1868 | if (session->header.needs_swap) |
8cedf3a5 | 1869 | event_swap(event, evlist__sample_id_all(evlist)); |
ba74f064 TG |
1870 | |
1871 | if (event->header.type >= PERF_RECORD_HEADER_MAX) | |
1872 | return -EINVAL; | |
1873 | ||
313e53b0 | 1874 | events_stats__inc(&evlist->stats, event->header.type); |
ba74f064 TG |
1875 | |
1876 | if (event->header.type >= PERF_RECORD_USER_TYPE_START) | |
2292083f | 1877 | return perf_session__process_user_event(session, event, file_offset, file_path); |
cbf41645 | 1878 | |
0a8cb85c | 1879 | if (tool->ordered_events) { |
631e8f0a | 1880 | u64 timestamp = -1ULL; |
93d10af2 | 1881 | |
2a6599cd | 1882 | ret = evlist__parse_sample_timestamp(evlist, event, ×tamp); |
631e8f0a | 1883 | if (ret && ret != -1) |
93d10af2 JO |
1884 | return ret; |
1885 | ||
2292083f | 1886 | ret = perf_session__queue_event(session, event, timestamp, file_offset, file_path); |
cbf41645 TG |
1887 | if (ret != -ETIME) |
1888 | return ret; | |
1889 | } | |
1890 | ||
2292083f | 1891 | return perf_session__deliver_event(session, event, tool, file_offset, file_path); |
06aae590 ACM |
1892 | } |
1893 | ||
316c7136 | 1894 | void perf_event_header__bswap(struct perf_event_header *hdr) |
ba21594c | 1895 | { |
316c7136 ACM |
1896 | hdr->type = bswap_32(hdr->type); |
1897 | hdr->misc = bswap_16(hdr->misc); | |
1898 | hdr->size = bswap_16(hdr->size); | |
ba21594c ACM |
1899 | } |
1900 | ||
b424eba2 ACM |
1901 | struct thread *perf_session__findnew(struct perf_session *session, pid_t pid) |
1902 | { | |
1fcb8768 | 1903 | return machine__findnew_thread(&session->machines.host, -1, pid); |
b424eba2 ACM |
1904 | } |
1905 | ||
9d8b172f | 1906 | int perf_session__register_idle_thread(struct perf_session *session) |
06aae590 | 1907 | { |
3035cb6c | 1908 | struct thread *thread = machine__idle_thread(&session->machines.host); |
06aae590 | 1909 | |
3035cb6c | 1910 | /* machine__idle_thread() got the thread, so put it */ |
9d8b172f | 1911 | thread__put(thread); |
3035cb6c | 1912 | return thread ? 0 : -1; |
06aae590 ACM |
1913 | } |
1914 | ||
f06149c0 WN |
1915 | static void |
1916 | perf_session__warn_order(const struct perf_session *session) | |
1917 | { | |
1918 | const struct ordered_events *oe = &session->ordered_events; | |
32dcd021 | 1919 | struct evsel *evsel; |
f06149c0 WN |
1920 | bool should_warn = true; |
1921 | ||
1922 | evlist__for_each_entry(session->evlist, evsel) { | |
1fc632ce | 1923 | if (evsel->core.attr.write_backward) |
f06149c0 WN |
1924 | should_warn = false; |
1925 | } | |
1926 | ||
1927 | if (!should_warn) | |
1928 | return; | |
1929 | if (oe->nr_unordered_events != 0) | |
1930 | ui__warning("%u out of order events recorded.\n", oe->nr_unordered_events); | |
1931 | } | |
1932 | ||
9870d780 | 1933 | static void perf_session__warn_about_errors(const struct perf_session *session) |
11095994 | 1934 | { |
9870d780 | 1935 | const struct events_stats *stats = &session->evlist->stats; |
9870d780 ACM |
1936 | |
1937 | if (session->tool->lost == perf_event__process_lost && | |
ccda068f | 1938 | stats->nr_events[PERF_RECORD_LOST] != 0) { |
7b27509f ACM |
1939 | ui__warning("Processed %d events and lost %d chunks!\n\n" |
1940 | "Check IO/CPU overload!\n\n", | |
ccda068f ACM |
1941 | stats->nr_events[0], |
1942 | stats->nr_events[PERF_RECORD_LOST]); | |
11095994 ACM |
1943 | } |
1944 | ||
c4937a91 KL |
1945 | if (session->tool->lost_samples == perf_event__process_lost_samples) { |
1946 | double drop_rate; | |
1947 | ||
1948 | drop_rate = (double)stats->total_lost_samples / | |
1949 | (double) (stats->nr_events[PERF_RECORD_SAMPLE] + stats->total_lost_samples); | |
1950 | if (drop_rate > 0.05) { | |
41a43dac | 1951 | ui__warning("Processed %" PRIu64 " samples and lost %3.2f%%!\n\n", |
c4937a91 KL |
1952 | stats->nr_events[PERF_RECORD_SAMPLE] + stats->total_lost_samples, |
1953 | drop_rate * 100.0); | |
1954 | } | |
1955 | } | |
1956 | ||
a38f48e3 AH |
1957 | if (session->tool->aux == perf_event__process_aux && |
1958 | stats->total_aux_lost != 0) { | |
1959 | ui__warning("AUX data lost %" PRIu64 " times out of %u!\n\n", | |
1960 | stats->total_aux_lost, | |
1961 | stats->nr_events[PERF_RECORD_AUX]); | |
1962 | } | |
1963 | ||
05a1f47e AS |
1964 | if (session->tool->aux == perf_event__process_aux && |
1965 | stats->total_aux_partial != 0) { | |
1966 | bool vmm_exclusive = false; | |
1967 | ||
1968 | (void)sysfs__read_bool("module/kvm_intel/parameters/vmm_exclusive", | |
1969 | &vmm_exclusive); | |
1970 | ||
1971 | ui__warning("AUX data had gaps in it %" PRIu64 " times out of %u!\n\n" | |
1972 | "Are you running a KVM guest in the background?%s\n\n", | |
1973 | stats->total_aux_partial, | |
1974 | stats->nr_events[PERF_RECORD_AUX], | |
1975 | vmm_exclusive ? | |
1976 | "\nReloading kvm_intel module with vmm_exclusive=0\n" | |
1977 | "will reduce the gaps to only guest's timeslices." : | |
1978 | ""); | |
1979 | } | |
1980 | ||
c68b421d SP |
1981 | if (session->tool->aux == perf_event__process_aux && |
1982 | stats->total_aux_collision != 0) { | |
1983 | ui__warning("AUX data detected collision %" PRIu64 " times out of %u!\n\n", | |
1984 | stats->total_aux_collision, | |
1985 | stats->nr_events[PERF_RECORD_AUX]); | |
1986 | } | |
1987 | ||
ccda068f | 1988 | if (stats->nr_unknown_events != 0) { |
11095994 ACM |
1989 | ui__warning("Found %u unknown events!\n\n" |
1990 | "Is this an older tool processing a perf.data " | |
1991 | "file generated by a more recent tool?\n\n" | |
1992 | "If that is not the case, consider " | |
1993 | "reporting to linux-kernel@vger.kernel.org.\n\n", | |
ccda068f | 1994 | stats->nr_unknown_events); |
11095994 ACM |
1995 | } |
1996 | ||
ccda068f | 1997 | if (stats->nr_unknown_id != 0) { |
9e69c210 | 1998 | ui__warning("%u samples with id not present in the header\n", |
ccda068f | 1999 | stats->nr_unknown_id); |
9e69c210 ACM |
2000 | } |
2001 | ||
ccda068f | 2002 | if (stats->nr_invalid_chains != 0) { |
75be989a ACM |
2003 | ui__warning("Found invalid callchains!\n\n" |
2004 | "%u out of %u events were discarded for this reason.\n\n" | |
2005 | "Consider reporting to linux-kernel@vger.kernel.org.\n\n", | |
ccda068f ACM |
2006 | stats->nr_invalid_chains, |
2007 | stats->nr_events[PERF_RECORD_SAMPLE]); | |
75be989a | 2008 | } |
0c095715 | 2009 | |
ccda068f | 2010 | if (stats->nr_unprocessable_samples != 0) { |
0c095715 JR |
2011 | ui__warning("%u unprocessable samples recorded.\n" |
2012 | "Do you have a KVM guest running and not using 'perf kvm'?\n", | |
ccda068f | 2013 | stats->nr_unprocessable_samples); |
0c095715 | 2014 | } |
f61ff6c0 | 2015 | |
f06149c0 | 2016 | perf_session__warn_order(session); |
85ed4729 AH |
2017 | |
2018 | events_stats__auxtrace_error_warn(stats); | |
930e6fcd KL |
2019 | |
2020 | if (stats->nr_proc_map_timeout != 0) { | |
2021 | ui__warning("%d map information files for pre-existing threads were\n" | |
2022 | "not processed, if there are samples for addresses they\n" | |
2023 | "will not be resolved, you may find out which are these\n" | |
2024 | "threads by running with -v and redirecting the output\n" | |
9d9cad76 KL |
2025 | "to a file.\n" |
2026 | "The time limit to process proc map is too short?\n" | |
2027 | "Increase it by --proc-map-timeout\n", | |
930e6fcd KL |
2028 | stats->nr_proc_map_timeout); |
2029 | } | |
11095994 ACM |
2030 | } |
2031 | ||
a5499b37 AH |
2032 | static int perf_session__flush_thread_stack(struct thread *thread, |
2033 | void *p __maybe_unused) | |
2034 | { | |
2035 | return thread_stack__flush(thread); | |
2036 | } | |
2037 | ||
2038 | static int perf_session__flush_thread_stacks(struct perf_session *session) | |
2039 | { | |
2040 | return machines__for_each_thread(&session->machines, | |
2041 | perf_session__flush_thread_stack, | |
2042 | NULL); | |
2043 | } | |
2044 | ||
057929f9 | 2045 | volatile sig_atomic_t session_done; |
8dc58101 | 2046 | |
cb62c6f1 AB |
2047 | static int __perf_session__process_decomp_events(struct perf_session *session); |
2048 | ||
b7b61cbe | 2049 | static int __perf_session__process_pipe_events(struct perf_session *session) |
8dc58101 | 2050 | { |
fa713a4e | 2051 | struct ordered_events *oe = &session->ordered_events; |
9870d780 | 2052 | struct perf_tool *tool = session->tool; |
4553c431 | 2053 | struct ui_progress prog; |
444d2866 SE |
2054 | union perf_event *event; |
2055 | uint32_t size, cur_size = 0; | |
2056 | void *buf = NULL; | |
d5652d86 | 2057 | s64 skip = 0; |
8dc58101 | 2058 | u64 head; |
727ebd54 | 2059 | ssize_t err; |
8dc58101 | 2060 | void *p; |
4553c431 | 2061 | bool update_prog = false; |
8dc58101 | 2062 | |
45694aa7 | 2063 | perf_tool__fill_defaults(tool); |
8dc58101 | 2064 | |
4553c431 NK |
2065 | /* |
2066 | * If it's from a file saving pipe data (by redirection), it would have | |
2067 | * a file name other than "-". Then we can get the total size and show | |
2068 | * the progress. | |
2069 | */ | |
2070 | if (strcmp(session->data->path, "-") && session->data->file.size) { | |
2071 | ui_progress__init_size(&prog, session->data->file.size, | |
2072 | "Processing events..."); | |
2073 | update_prog = true; | |
2074 | } | |
2075 | ||
8dc58101 | 2076 | head = 0; |
444d2866 SE |
2077 | cur_size = sizeof(union perf_event); |
2078 | ||
2079 | buf = malloc(cur_size); | |
2080 | if (!buf) | |
2081 | return -errno; | |
1e0d4f02 | 2082 | ordered_events__set_copy_on_queue(oe, true); |
8dc58101 | 2083 | more: |
444d2866 | 2084 | event = buf; |
60136667 NK |
2085 | err = perf_data__read(session->data, event, |
2086 | sizeof(struct perf_event_header)); | |
8dc58101 TZ |
2087 | if (err <= 0) { |
2088 | if (err == 0) | |
2089 | goto done; | |
2090 | ||
2091 | pr_err("failed to read event header\n"); | |
2092 | goto out_err; | |
2093 | } | |
2094 | ||
316c7136 | 2095 | if (session->header.needs_swap) |
444d2866 | 2096 | perf_event_header__bswap(&event->header); |
8dc58101 | 2097 | |
444d2866 | 2098 | size = event->header.size; |
27389d78 AH |
2099 | if (size < sizeof(struct perf_event_header)) { |
2100 | pr_err("bad event header size\n"); | |
2101 | goto out_err; | |
2102 | } | |
8dc58101 | 2103 | |
444d2866 SE |
2104 | if (size > cur_size) { |
2105 | void *new = realloc(buf, size); | |
2106 | if (!new) { | |
2107 | pr_err("failed to allocate memory to read event\n"); | |
2108 | goto out_err; | |
2109 | } | |
2110 | buf = new; | |
2111 | cur_size = size; | |
2112 | event = buf; | |
2113 | } | |
2114 | p = event; | |
8dc58101 TZ |
2115 | p += sizeof(struct perf_event_header); |
2116 | ||
794e43b5 | 2117 | if (size - sizeof(struct perf_event_header)) { |
60136667 NK |
2118 | err = perf_data__read(session->data, p, |
2119 | size - sizeof(struct perf_event_header)); | |
794e43b5 TZ |
2120 | if (err <= 0) { |
2121 | if (err == 0) { | |
2122 | pr_err("unexpected end of event stream\n"); | |
2123 | goto done; | |
2124 | } | |
8dc58101 | 2125 | |
794e43b5 TZ |
2126 | pr_err("failed to read event data\n"); |
2127 | goto out_err; | |
2128 | } | |
8dc58101 TZ |
2129 | } |
2130 | ||
2292083f | 2131 | if ((skip = perf_session__process_event(session, event, head, "pipe")) < 0) { |
9389a460 | 2132 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", |
444d2866 | 2133 | head, event->header.size, event->header.type); |
9389a460 JO |
2134 | err = -EINVAL; |
2135 | goto out_err; | |
8dc58101 TZ |
2136 | } |
2137 | ||
2138 | head += size; | |
2139 | ||
8dc58101 TZ |
2140 | if (skip > 0) |
2141 | head += skip; | |
2142 | ||
cb62c6f1 AB |
2143 | err = __perf_session__process_decomp_events(session); |
2144 | if (err) | |
2145 | goto out_err; | |
2146 | ||
4553c431 NK |
2147 | if (update_prog) |
2148 | ui_progress__update(&prog, size); | |
2149 | ||
8dc58101 TZ |
2150 | if (!session_done()) |
2151 | goto more; | |
2152 | done: | |
8c16b649 | 2153 | /* do the final flush for ordered samples */ |
b7b61cbe | 2154 | err = ordered_events__flush(oe, OE_FLUSH__FINAL); |
c446870d AH |
2155 | if (err) |
2156 | goto out_err; | |
2157 | err = auxtrace__flush_events(session, tool); | |
a5499b37 AH |
2158 | if (err) |
2159 | goto out_err; | |
2160 | err = perf_session__flush_thread_stacks(session); | |
8dc58101 | 2161 | out_err: |
444d2866 | 2162 | free(buf); |
4553c431 NK |
2163 | if (update_prog) |
2164 | ui_progress__finish(); | |
075ca1eb JO |
2165 | if (!tool->no_warn) |
2166 | perf_session__warn_about_errors(session); | |
adc56ed1 | 2167 | ordered_events__free(&session->ordered_events); |
c446870d | 2168 | auxtrace__free_events(session); |
8dc58101 TZ |
2169 | return err; |
2170 | } | |
2171 | ||
998bedc8 | 2172 | static union perf_event * |
bb1835a3 AB |
2173 | prefetch_event(char *buf, u64 head, size_t mmap_size, |
2174 | bool needs_swap, union perf_event *error) | |
998bedc8 FW |
2175 | { |
2176 | union perf_event *event; | |
bc21e74d | 2177 | u16 event_size; |
998bedc8 FW |
2178 | |
2179 | /* | |
2180 | * Ensure we have enough space remaining to read | |
2181 | * the size of the event in the headers. | |
2182 | */ | |
2183 | if (head + sizeof(event->header) > mmap_size) | |
2184 | return NULL; | |
2185 | ||
2186 | event = (union perf_event *)(buf + head); | |
bb1835a3 AB |
2187 | if (needs_swap) |
2188 | perf_event_header__bswap(&event->header); | |
998bedc8 | 2189 | |
bc21e74d DN |
2190 | event_size = event->header.size; |
2191 | if (head + event_size <= mmap_size) | |
bb1835a3 AB |
2192 | return event; |
2193 | ||
2194 | /* We're not fetching the event so swap back again */ | |
2195 | if (needs_swap) | |
998bedc8 FW |
2196 | perf_event_header__bswap(&event->header); |
2197 | ||
bc21e74d DN |
2198 | /* Check if the event fits into the next mmapped buf. */ |
2199 | if (event_size <= mmap_size - head % page_size) { | |
2200 | /* Remap buf and fetch again. */ | |
2201 | return NULL; | |
2202 | } | |
2203 | ||
2204 | /* Invalid input. Event size should never exceed mmap_size. */ | |
2205 | pr_debug("%s: head=%#" PRIx64 " event->header.size=%#x, mmap_size=%#zx:" | |
2206 | " fuzzed or compressed perf.data?\n", __func__, head, event_size, mmap_size); | |
998bedc8 | 2207 | |
bb1835a3 AB |
2208 | return error; |
2209 | } | |
2210 | ||
2211 | static union perf_event * | |
2212 | fetch_mmaped_event(u64 head, size_t mmap_size, char *buf, bool needs_swap) | |
2213 | { | |
2214 | return prefetch_event(buf, head, mmap_size, needs_swap, ERR_PTR(-EINVAL)); | |
2215 | } | |
2216 | ||
2217 | static union perf_event * | |
2218 | fetch_decomp_event(u64 head, size_t mmap_size, char *buf, bool needs_swap) | |
2219 | { | |
2220 | return prefetch_event(buf, head, mmap_size, needs_swap, NULL); | |
998bedc8 FW |
2221 | } |
2222 | ||
cb62c6f1 AB |
2223 | static int __perf_session__process_decomp_events(struct perf_session *session) |
2224 | { | |
2225 | s64 skip; | |
8e820f96 | 2226 | u64 size; |
3a3535e6 | 2227 | struct decomp *decomp = session->active_decomp->decomp_last; |
cb62c6f1 AB |
2228 | |
2229 | if (!decomp) | |
2230 | return 0; | |
2231 | ||
2232 | while (decomp->head < decomp->size && !session_done()) { | |
bb1835a3 AB |
2233 | union perf_event *event = fetch_decomp_event(decomp->head, decomp->size, decomp->data, |
2234 | session->header.needs_swap); | |
57fc032a | 2235 | |
cb62c6f1 AB |
2236 | if (!event) |
2237 | break; | |
2238 | ||
2239 | size = event->header.size; | |
2240 | ||
2241 | if (size < sizeof(struct perf_event_header) || | |
2292083f AB |
2242 | (skip = perf_session__process_event(session, event, decomp->file_pos, |
2243 | decomp->file_path)) < 0) { | |
cb62c6f1 AB |
2244 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", |
2245 | decomp->file_pos + decomp->head, event->header.size, event->header.type); | |
2246 | return -EINVAL; | |
2247 | } | |
2248 | ||
2249 | if (skip) | |
2250 | size += skip; | |
2251 | ||
2252 | decomp->head += size; | |
2253 | } | |
2254 | ||
2255 | return 0; | |
2256 | } | |
2257 | ||
35d48ddf DM |
2258 | /* |
2259 | * On 64bit we can mmap the data file in one go. No need for tiny mmap | |
2260 | * slices. On 32bit we use 32MB. | |
2261 | */ | |
2262 | #if BITS_PER_LONG == 64 | |
2263 | #define MMAP_SIZE ULLONG_MAX | |
2264 | #define NUM_MMAPS 1 | |
2265 | #else | |
2266 | #define MMAP_SIZE (32 * 1024 * 1024ULL) | |
2267 | #define NUM_MMAPS 128 | |
2268 | #endif | |
2269 | ||
e51f8061 JO |
2270 | struct reader; |
2271 | ||
2272 | typedef s64 (*reader_cb_t)(struct perf_session *session, | |
2273 | union perf_event *event, | |
2292083f AB |
2274 | u64 file_offset, |
2275 | const char *file_path); | |
e51f8061 | 2276 | |
82715eb1 | 2277 | struct reader { |
e51f8061 | 2278 | int fd; |
2292083f | 2279 | const char *path; |
e51f8061 JO |
2280 | u64 data_size; |
2281 | u64 data_offset; | |
2282 | reader_cb_t process; | |
2a525f6a | 2283 | bool in_place_update; |
529b6fbc AB |
2284 | char *mmaps[NUM_MMAPS]; |
2285 | size_t mmap_size; | |
2286 | int mmap_idx; | |
2287 | char *mmap_cur; | |
2288 | u64 file_pos; | |
2289 | u64 file_offset; | |
2290 | u64 head; | |
bb6be405 AB |
2291 | u64 size; |
2292 | bool done; | |
3a3535e6 AB |
2293 | struct zstd_data zstd_data; |
2294 | struct decomp_data decomp_data; | |
82715eb1 JO |
2295 | }; |
2296 | ||
3c7b67b2 | 2297 | static int |
59650630 | 2298 | reader__init(struct reader *rd, bool *one_mmap) |
06aae590 | 2299 | { |
3c7b67b2 | 2300 | u64 data_size = rd->data_size; |
59650630 | 2301 | char **mmaps = rd->mmaps; |
0331ee0c | 2302 | |
de096489 | 2303 | rd->head = rd->data_offset; |
3c7b67b2 | 2304 | data_size += rd->data_offset; |
55b44629 | 2305 | |
529b6fbc AB |
2306 | rd->mmap_size = MMAP_SIZE; |
2307 | if (rd->mmap_size > data_size) { | |
2308 | rd->mmap_size = data_size; | |
59650630 AB |
2309 | if (one_mmap) |
2310 | *one_mmap = true; | |
919d86d3 | 2311 | } |
55b44629 | 2312 | |
529b6fbc | 2313 | memset(mmaps, 0, sizeof(rd->mmaps)); |
fe174207 | 2314 | |
3a3535e6 AB |
2315 | if (zstd_init(&rd->zstd_data, 0)) |
2316 | return -1; | |
2317 | rd->decomp_data.zstd_decomp = &rd->zstd_data; | |
59650630 AB |
2318 | |
2319 | return 0; | |
2320 | } | |
2321 | ||
2322 | static void | |
2323 | reader__release_decomp(struct reader *rd) | |
2324 | { | |
2325 | perf_decomp__release_events(rd->decomp_data.decomp); | |
2326 | zstd_fini(&rd->zstd_data); | |
2327 | } | |
2328 | ||
2329 | static int | |
06763e7b | 2330 | reader__mmap(struct reader *rd, struct perf_session *session) |
59650630 | 2331 | { |
06763e7b | 2332 | int mmap_prot, mmap_flags; |
59650630 | 2333 | char *buf, **mmaps = rd->mmaps; |
de096489 | 2334 | u64 page_offset; |
3a3535e6 | 2335 | |
ba21594c ACM |
2336 | mmap_prot = PROT_READ; |
2337 | mmap_flags = MAP_SHARED; | |
2338 | ||
2a525f6a AH |
2339 | if (rd->in_place_update) { |
2340 | mmap_prot |= PROT_WRITE; | |
2341 | } else if (session->header.needs_swap) { | |
ba21594c ACM |
2342 | mmap_prot |= PROT_WRITE; |
2343 | mmap_flags = MAP_PRIVATE; | |
2344 | } | |
06763e7b | 2345 | |
de096489 AB |
2346 | if (mmaps[rd->mmap_idx]) { |
2347 | munmap(mmaps[rd->mmap_idx], rd->mmap_size); | |
2348 | mmaps[rd->mmap_idx] = NULL; | |
2349 | } | |
2350 | ||
2351 | page_offset = page_size * (rd->head / page_size); | |
2352 | rd->file_offset += page_offset; | |
2353 | rd->head -= page_offset; | |
2354 | ||
529b6fbc AB |
2355 | buf = mmap(NULL, rd->mmap_size, mmap_prot, mmap_flags, rd->fd, |
2356 | rd->file_offset); | |
06aae590 ACM |
2357 | if (buf == MAP_FAILED) { |
2358 | pr_err("failed to mmap file\n"); | |
06763e7b | 2359 | return -errno; |
06aae590 | 2360 | } |
529b6fbc AB |
2361 | mmaps[rd->mmap_idx] = rd->mmap_cur = buf; |
2362 | rd->mmap_idx = (rd->mmap_idx + 1) & (ARRAY_SIZE(rd->mmaps) - 1); | |
2363 | rd->file_pos = rd->file_offset + rd->head; | |
919d86d3 AH |
2364 | if (session->one_mmap) { |
2365 | session->one_mmap_addr = buf; | |
529b6fbc | 2366 | session->one_mmap_offset = rd->file_offset; |
919d86d3 | 2367 | } |
06aae590 | 2368 | |
06763e7b AB |
2369 | return 0; |
2370 | } | |
2371 | ||
4c002886 AB |
2372 | enum { |
2373 | READER_OK, | |
2374 | READER_NODATA, | |
2375 | }; | |
2376 | ||
06763e7b | 2377 | static int |
5c10dc92 AB |
2378 | reader__read_event(struct reader *rd, struct perf_session *session, |
2379 | struct ui_progress *prog) | |
06763e7b | 2380 | { |
de096489 | 2381 | u64 size; |
4c002886 | 2382 | int err = READER_OK; |
06763e7b AB |
2383 | union perf_event *event; |
2384 | s64 skip; | |
2385 | ||
529b6fbc AB |
2386 | event = fetch_mmaped_event(rd->head, rd->mmap_size, rd->mmap_cur, |
2387 | session->header.needs_swap); | |
57fc032a ACM |
2388 | if (IS_ERR(event)) |
2389 | return PTR_ERR(event); | |
2390 | ||
de096489 | 2391 | if (!event) |
4c002886 | 2392 | return READER_NODATA; |
06aae590 ACM |
2393 | |
2394 | size = event->header.size; | |
2395 | ||
167e418f TR |
2396 | skip = -EINVAL; |
2397 | ||
27389d78 | 2398 | if (size < sizeof(struct perf_event_header) || |
2292083f | 2399 | (skip = rd->process(session, event, rd->file_pos, rd->path)) < 0) { |
167e418f | 2400 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d [%s]\n", |
529b6fbc | 2401 | rd->file_offset + rd->head, event->header.size, |
167e418f TR |
2402 | event->header.type, strerror(-skip)); |
2403 | err = skip; | |
3c7b67b2 | 2404 | goto out; |
06aae590 ACM |
2405 | } |
2406 | ||
6f917c70 AH |
2407 | if (skip) |
2408 | size += skip; | |
2409 | ||
bb6be405 | 2410 | rd->size += size; |
529b6fbc AB |
2411 | rd->head += size; |
2412 | rd->file_pos += size; | |
06aae590 | 2413 | |
cb62c6f1 AB |
2414 | err = __perf_session__process_decomp_events(session); |
2415 | if (err) | |
2416 | goto out; | |
2417 | ||
3c7b67b2 | 2418 | ui_progress__update(prog, size); |
55b44629 | 2419 | |
5c10dc92 AB |
2420 | out: |
2421 | return err; | |
2422 | } | |
2423 | ||
25900ea8 AB |
2424 | static inline bool |
2425 | reader__eof(struct reader *rd) | |
2426 | { | |
2427 | return (rd->file_pos >= rd->data_size + rd->data_offset); | |
2428 | } | |
2429 | ||
5c10dc92 AB |
2430 | static int |
2431 | reader__process_events(struct reader *rd, struct perf_session *session, | |
2432 | struct ui_progress *prog) | |
2433 | { | |
2434 | int err; | |
2435 | ||
2436 | err = reader__init(rd, &session->one_mmap); | |
2437 | if (err) | |
2438 | goto out; | |
2439 | ||
2440 | session->active_decomp = &rd->decomp_data; | |
2441 | ||
2442 | remap: | |
2443 | err = reader__mmap(rd, session); | |
2444 | if (err) | |
2445 | goto out; | |
2446 | ||
2447 | more: | |
2448 | err = reader__read_event(rd, session, prog); | |
2449 | if (err < 0) | |
2450 | goto out; | |
4c002886 | 2451 | else if (err == READER_NODATA) |
5c10dc92 AB |
2452 | goto remap; |
2453 | ||
33e940a2 | 2454 | if (session_done()) |
8c16b649 | 2455 | goto out; |
33e940a2 | 2456 | |
25900ea8 | 2457 | if (!reader__eof(rd)) |
06aae590 | 2458 | goto more; |
d6513281 | 2459 | |
8c16b649 | 2460 | out: |
3a3535e6 | 2461 | session->active_decomp = &session->decomp_data; |
3c7b67b2 JO |
2462 | return err; |
2463 | } | |
2464 | ||
e51f8061 JO |
2465 | static s64 process_simple(struct perf_session *session, |
2466 | union perf_event *event, | |
2292083f AB |
2467 | u64 file_offset, |
2468 | const char *file_path) | |
e51f8061 | 2469 | { |
2292083f | 2470 | return perf_session__process_event(session, event, file_offset, file_path); |
e51f8061 JO |
2471 | } |
2472 | ||
3c7b67b2 JO |
2473 | static int __perf_session__process_events(struct perf_session *session) |
2474 | { | |
2475 | struct reader rd = { | |
2476 | .fd = perf_data__fd(session->data), | |
2292083f | 2477 | .path = session->data->file.path, |
3c7b67b2 JO |
2478 | .data_size = session->header.data_size, |
2479 | .data_offset = session->header.data_offset, | |
e51f8061 | 2480 | .process = process_simple, |
2a525f6a | 2481 | .in_place_update = session->data->in_place_update, |
3c7b67b2 JO |
2482 | }; |
2483 | struct ordered_events *oe = &session->ordered_events; | |
2484 | struct perf_tool *tool = session->tool; | |
2485 | struct ui_progress prog; | |
2486 | int err; | |
2487 | ||
2488 | perf_tool__fill_defaults(tool); | |
2489 | ||
2490 | if (rd.data_size == 0) | |
2491 | return -1; | |
2492 | ||
2493 | ui_progress__init_size(&prog, rd.data_size, "Processing events..."); | |
2494 | ||
2495 | err = reader__process_events(&rd, session, &prog); | |
2496 | if (err) | |
2497 | goto out_err; | |
c61e52ee | 2498 | /* do the final flush for ordered samples */ |
b7b61cbe | 2499 | err = ordered_events__flush(oe, OE_FLUSH__FINAL); |
c446870d AH |
2500 | if (err) |
2501 | goto out_err; | |
2502 | err = auxtrace__flush_events(session, tool); | |
a5499b37 AH |
2503 | if (err) |
2504 | goto out_err; | |
2505 | err = perf_session__flush_thread_stacks(session); | |
06aae590 | 2506 | out_err: |
a5580f3e | 2507 | ui_progress__finish(); |
075ca1eb JO |
2508 | if (!tool->no_warn) |
2509 | perf_session__warn_about_errors(session); | |
b26dc730 WN |
2510 | /* |
2511 | * We may switching perf.data output, make ordered_events | |
2512 | * reusable. | |
2513 | */ | |
2514 | ordered_events__reinit(&session->ordered_events); | |
c446870d | 2515 | auxtrace__free_events(session); |
59650630 | 2516 | reader__release_decomp(&rd); |
919d86d3 | 2517 | session->one_mmap = false; |
06aae590 ACM |
2518 | return err; |
2519 | } | |
27295592 | 2520 | |
bb6be405 AB |
2521 | /* |
2522 | * Processing 2 MB of data from each reader in sequence, | |
2523 | * because that's the way the ordered events sorting works | |
2524 | * most efficiently. | |
2525 | */ | |
2526 | #define READER_MAX_SIZE (2 * 1024 * 1024) | |
2527 | ||
2528 | /* | |
2529 | * This function reads, merge and process directory data. | |
2530 | * It assumens the version 1 of directory data, where each | |
2531 | * data file holds per-cpu data, already sorted by kernel. | |
2532 | */ | |
2533 | static int __perf_session__process_dir_events(struct perf_session *session) | |
2534 | { | |
2535 | struct perf_data *data = session->data; | |
2536 | struct perf_tool *tool = session->tool; | |
2537 | int i, ret, readers, nr_readers; | |
2538 | struct ui_progress prog; | |
2539 | u64 total_size = perf_data__size(session->data); | |
2540 | struct reader *rd; | |
2541 | ||
2542 | perf_tool__fill_defaults(tool); | |
2543 | ||
4553c431 | 2544 | ui_progress__init_size(&prog, total_size, "Processing events..."); |
bb6be405 AB |
2545 | |
2546 | nr_readers = 1; | |
2547 | for (i = 0; i < data->dir.nr; i++) { | |
2548 | if (data->dir.files[i].size) | |
2549 | nr_readers++; | |
2550 | } | |
2551 | ||
2552 | rd = zalloc(nr_readers * sizeof(struct reader)); | |
2553 | if (!rd) | |
2554 | return -ENOMEM; | |
2555 | ||
2556 | rd[0] = (struct reader) { | |
2557 | .fd = perf_data__fd(session->data), | |
2292083f | 2558 | .path = session->data->file.path, |
bb6be405 AB |
2559 | .data_size = session->header.data_size, |
2560 | .data_offset = session->header.data_offset, | |
2561 | .process = process_simple, | |
2562 | .in_place_update = session->data->in_place_update, | |
2563 | }; | |
2564 | ret = reader__init(&rd[0], NULL); | |
2565 | if (ret) | |
2566 | goto out_err; | |
2567 | ret = reader__mmap(&rd[0], session); | |
2568 | if (ret) | |
2569 | goto out_err; | |
2570 | readers = 1; | |
2571 | ||
2572 | for (i = 0; i < data->dir.nr; i++) { | |
2573 | if (!data->dir.files[i].size) | |
2574 | continue; | |
2575 | rd[readers] = (struct reader) { | |
2576 | .fd = data->dir.files[i].fd, | |
2292083f | 2577 | .path = data->dir.files[i].path, |
bb6be405 AB |
2578 | .data_size = data->dir.files[i].size, |
2579 | .data_offset = 0, | |
2580 | .process = process_simple, | |
2581 | .in_place_update = session->data->in_place_update, | |
2582 | }; | |
2583 | ret = reader__init(&rd[readers], NULL); | |
2584 | if (ret) | |
2585 | goto out_err; | |
2586 | ret = reader__mmap(&rd[readers], session); | |
2587 | if (ret) | |
2588 | goto out_err; | |
2589 | readers++; | |
2590 | } | |
2591 | ||
2592 | i = 0; | |
2593 | while (readers) { | |
2594 | if (session_done()) | |
2595 | break; | |
2596 | ||
2597 | if (rd[i].done) { | |
2598 | i = (i + 1) % nr_readers; | |
2599 | continue; | |
2600 | } | |
2601 | if (reader__eof(&rd[i])) { | |
2602 | rd[i].done = true; | |
2603 | readers--; | |
2604 | continue; | |
2605 | } | |
2606 | ||
2607 | session->active_decomp = &rd[i].decomp_data; | |
2608 | ret = reader__read_event(&rd[i], session, &prog); | |
2609 | if (ret < 0) { | |
2610 | goto out_err; | |
2611 | } else if (ret == READER_NODATA) { | |
2612 | ret = reader__mmap(&rd[i], session); | |
2613 | if (ret) | |
2614 | goto out_err; | |
2615 | } | |
2616 | ||
2617 | if (rd[i].size >= READER_MAX_SIZE) { | |
2618 | rd[i].size = 0; | |
2619 | i = (i + 1) % nr_readers; | |
2620 | } | |
2621 | } | |
2622 | ||
2623 | ret = ordered_events__flush(&session->ordered_events, OE_FLUSH__FINAL); | |
2624 | if (ret) | |
2625 | goto out_err; | |
2626 | ||
2627 | ret = perf_session__flush_thread_stacks(session); | |
2628 | out_err: | |
2629 | ui_progress__finish(); | |
2630 | ||
2631 | if (!tool->no_warn) | |
2632 | perf_session__warn_about_errors(session); | |
2633 | ||
2634 | /* | |
2635 | * We may switching perf.data output, make ordered_events | |
2636 | * reusable. | |
2637 | */ | |
2638 | ordered_events__reinit(&session->ordered_events); | |
2639 | ||
2640 | session->one_mmap = false; | |
2641 | ||
2642 | session->active_decomp = &session->decomp_data; | |
2643 | for (i = 0; i < nr_readers; i++) | |
2644 | reader__release_decomp(&rd[i]); | |
2645 | zfree(&rd); | |
2646 | ||
2647 | return ret; | |
2648 | } | |
2649 | ||
b7b61cbe | 2650 | int perf_session__process_events(struct perf_session *session) |
6122e4e4 | 2651 | { |
9d8b172f | 2652 | if (perf_session__register_idle_thread(session) < 0) |
6122e4e4 ACM |
2653 | return -ENOMEM; |
2654 | ||
7ba4da10 JO |
2655 | if (perf_data__is_pipe(session->data)) |
2656 | return __perf_session__process_pipe_events(session); | |
88ca895d | 2657 | |
de8fd138 | 2658 | if (perf_data__is_dir(session->data) && session->data->dir.nr) |
bb6be405 AB |
2659 | return __perf_session__process_dir_events(session); |
2660 | ||
7ba4da10 | 2661 | return __perf_session__process_events(session); |
6122e4e4 ACM |
2662 | } |
2663 | ||
7f3be652 | 2664 | bool perf_session__has_traces(struct perf_session *session, const char *msg) |
27295592 | 2665 | { |
32dcd021 | 2666 | struct evsel *evsel; |
93ea01c2 | 2667 | |
e5cadb93 | 2668 | evlist__for_each_entry(session->evlist, evsel) { |
1fc632ce | 2669 | if (evsel->core.attr.type == PERF_TYPE_TRACEPOINT) |
93ea01c2 | 2670 | return true; |
27295592 ACM |
2671 | } |
2672 | ||
93ea01c2 DA |
2673 | pr_err("No trace sample to read. Did you call 'perf %s'?\n", msg); |
2674 | return false; | |
27295592 | 2675 | } |
56b03f3c | 2676 | |
3183f8ca | 2677 | int map__set_kallsyms_ref_reloc_sym(struct map *map, const char *symbol_name, u64 addr) |
56b03f3c ACM |
2678 | { |
2679 | char *bracket; | |
a1645ce1 | 2680 | struct ref_reloc_sym *ref; |
3183f8ca | 2681 | struct kmap *kmap; |
a1645ce1 ZY |
2682 | |
2683 | ref = zalloc(sizeof(struct ref_reloc_sym)); | |
2684 | if (ref == NULL) | |
2685 | return -ENOMEM; | |
56b03f3c | 2686 | |
a1645ce1 ZY |
2687 | ref->name = strdup(symbol_name); |
2688 | if (ref->name == NULL) { | |
2689 | free(ref); | |
56b03f3c | 2690 | return -ENOMEM; |
a1645ce1 | 2691 | } |
56b03f3c | 2692 | |
a1645ce1 | 2693 | bracket = strchr(ref->name, ']'); |
56b03f3c ACM |
2694 | if (bracket) |
2695 | *bracket = '\0'; | |
2696 | ||
a1645ce1 | 2697 | ref->addr = addr; |
9de89fe7 | 2698 | |
3183f8ca ACM |
2699 | kmap = map__kmap(map); |
2700 | if (kmap) | |
a1645ce1 | 2701 | kmap->ref_reloc_sym = ref; |
9de89fe7 | 2702 | |
56b03f3c ACM |
2703 | return 0; |
2704 | } | |
1f626bc3 | 2705 | |
316c7136 | 2706 | size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp) |
1f626bc3 | 2707 | { |
316c7136 | 2708 | return machines__fprintf_dsos(&session->machines, fp); |
1f626bc3 | 2709 | } |
f869097e | 2710 | |
316c7136 | 2711 | size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, |
417c2ff6 | 2712 | bool (skip)(struct dso *dso, int parm), int parm) |
f869097e | 2713 | { |
316c7136 | 2714 | return machines__fprintf_dsos_buildid(&session->machines, fp, skip, parm); |
f869097e | 2715 | } |
e248de33 | 2716 | |
411ee135 | 2717 | size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp) |
e248de33 | 2718 | { |
c446870d AH |
2719 | size_t ret; |
2720 | const char *msg = ""; | |
2721 | ||
2722 | if (perf_header__has_feat(&session->header, HEADER_AUXTRACE)) | |
2723 | msg = " (excludes AUX area (e.g. instruction trace) decoded / synthesized events)"; | |
2724 | ||
fe692ac8 | 2725 | ret = fprintf(fp, "\nAggregated stats:%s\n", msg); |
e248de33 | 2726 | |
411ee135 | 2727 | ret += events_stats__fprintf(&session->evlist->stats, fp); |
e248de33 ACM |
2728 | return ret; |
2729 | } | |
c0230b2b | 2730 | |
b424eba2 ACM |
2731 | size_t perf_session__fprintf(struct perf_session *session, FILE *fp) |
2732 | { | |
2733 | /* | |
2734 | * FIXME: Here we have to actually print all the machines in this | |
2735 | * session, not just the host... | |
2736 | */ | |
876650e6 | 2737 | return machine__fprintf(&session->machines.host, fp); |
b424eba2 ACM |
2738 | } |
2739 | ||
0bdfbd04 AH |
2740 | void perf_session__dump_kmaps(struct perf_session *session) |
2741 | { | |
2742 | int save_verbose = verbose; | |
2743 | ||
2744 | fflush(stdout); | |
2745 | fprintf(stderr, "Kernel and module maps:\n"); | |
2746 | verbose = 0; /* Suppress verbose to print a summary only */ | |
2747 | maps__fprintf(machine__kernel_maps(&session->machines.host), stderr); | |
2748 | verbose = save_verbose; | |
2749 | } | |
2750 | ||
32dcd021 | 2751 | struct evsel *perf_session__find_first_evtype(struct perf_session *session, |
9cbdb702 DA |
2752 | unsigned int type) |
2753 | { | |
32dcd021 | 2754 | struct evsel *pos; |
9cbdb702 | 2755 | |
e5cadb93 | 2756 | evlist__for_each_entry(session->evlist, pos) { |
1fc632ce | 2757 | if (pos->core.attr.type == type) |
9cbdb702 DA |
2758 | return pos; |
2759 | } | |
2760 | return NULL; | |
2761 | } | |
2762 | ||
5d67be97 AB |
2763 | int perf_session__cpu_bitmap(struct perf_session *session, |
2764 | const char *cpu_list, unsigned long *cpu_bitmap) | |
2765 | { | |
8bac41cb | 2766 | int i, err = -1; |
f854839b | 2767 | struct perf_cpu_map *map; |
5501e922 | 2768 | int nr_cpus = min(session->header.env.nr_cpus_avail, MAX_NR_CPUS); |
71bc3ac8 | 2769 | struct perf_cpu cpu; |
5d67be97 AB |
2770 | |
2771 | for (i = 0; i < PERF_TYPE_MAX; ++i) { | |
32dcd021 | 2772 | struct evsel *evsel; |
5d67be97 AB |
2773 | |
2774 | evsel = perf_session__find_first_evtype(session, i); | |
2775 | if (!evsel) | |
2776 | continue; | |
2777 | ||
1fc632ce | 2778 | if (!(evsel->core.attr.sample_type & PERF_SAMPLE_CPU)) { |
5d67be97 | 2779 | pr_err("File does not contain CPU events. " |
30795467 | 2780 | "Remove -C option to proceed.\n"); |
5d67be97 AB |
2781 | return -1; |
2782 | } | |
2783 | } | |
2784 | ||
9c3516d1 | 2785 | map = perf_cpu_map__new(cpu_list); |
47fbe53b DA |
2786 | if (map == NULL) { |
2787 | pr_err("Invalid cpu_list\n"); | |
2788 | return -1; | |
2789 | } | |
5d67be97 | 2790 | |
71bc3ac8 | 2791 | perf_cpu_map__for_each_cpu(cpu, i, map) { |
6d18804b | 2792 | if (cpu.cpu >= nr_cpus) { |
5d67be97 | 2793 | pr_err("Requested CPU %d too large. " |
6d18804b | 2794 | "Consider raising MAX_NR_CPUS\n", cpu.cpu); |
8bac41cb | 2795 | goto out_delete_map; |
5d67be97 AB |
2796 | } |
2797 | ||
49bd97c2 | 2798 | __set_bit(cpu.cpu, cpu_bitmap); |
5d67be97 AB |
2799 | } |
2800 | ||
8bac41cb SF |
2801 | err = 0; |
2802 | ||
2803 | out_delete_map: | |
38f01d8d | 2804 | perf_cpu_map__put(map); |
8bac41cb | 2805 | return err; |
5d67be97 | 2806 | } |
fbe96f29 SE |
2807 | |
2808 | void perf_session__fprintf_info(struct perf_session *session, FILE *fp, | |
2809 | bool full) | |
2810 | { | |
fbe96f29 SE |
2811 | if (session == NULL || fp == NULL) |
2812 | return; | |
2813 | ||
fbe96f29 | 2814 | fprintf(fp, "# ========\n"); |
fbe96f29 SE |
2815 | perf_header__fprintf_info(session, fp, full); |
2816 | fprintf(fp, "# ========\n#\n"); | |
2817 | } | |
da378962 | 2818 | |
ff7a78c2 AH |
2819 | static int perf_session__register_guest(struct perf_session *session, pid_t machine_pid) |
2820 | { | |
2821 | struct machine *machine = machines__findnew(&session->machines, machine_pid); | |
2822 | struct thread *thread; | |
2823 | ||
2824 | if (!machine) | |
2825 | return -ENOMEM; | |
2826 | ||
2827 | machine->single_address_space = session->machines.host.single_address_space; | |
2828 | ||
2829 | thread = machine__idle_thread(machine); | |
2830 | if (!thread) | |
2831 | return -ENOMEM; | |
2832 | thread__put(thread); | |
2833 | ||
a5367ecb AH |
2834 | machine->kallsyms_filename = perf_data__guest_kallsyms_name(session->data, machine_pid); |
2835 | ||
ff7a78c2 AH |
2836 | return 0; |
2837 | } | |
2838 | ||
797efbc5 AH |
2839 | static int perf_session__set_guest_cpu(struct perf_session *session, pid_t pid, |
2840 | pid_t tid, int guest_cpu) | |
2841 | { | |
2842 | struct machine *machine = &session->machines.host; | |
2843 | struct thread *thread = machine__findnew_thread(machine, pid, tid); | |
2844 | ||
2845 | if (!thread) | |
2846 | return -ENOMEM; | |
ee84a303 | 2847 | thread__set_guest_cpu(thread, guest_cpu); |
797efbc5 AH |
2848 | thread__put(thread); |
2849 | ||
2850 | return 0; | |
2851 | } | |
2852 | ||
89f1688a JO |
2853 | int perf_event__process_id_index(struct perf_session *session, |
2854 | union perf_event *event) | |
3c659eed | 2855 | { |
63503dba | 2856 | struct evlist *evlist = session->evlist; |
72932371 | 2857 | struct perf_record_id_index *ie = &event->id_index; |
b47bb186 | 2858 | size_t sz = ie->header.size - sizeof(*ie); |
3c659eed | 2859 | size_t i, nr, max_nr; |
b47bb186 AH |
2860 | size_t e1_sz = sizeof(struct id_index_entry); |
2861 | size_t e2_sz = sizeof(struct id_index_entry_2); | |
2862 | size_t etot_sz = e1_sz + e2_sz; | |
2863 | struct id_index_entry_2 *e2; | |
ff7a78c2 | 2864 | pid_t last_pid = 0; |
3c659eed | 2865 | |
b47bb186 | 2866 | max_nr = sz / e1_sz; |
3c659eed | 2867 | nr = ie->nr; |
b47bb186 AH |
2868 | if (nr > max_nr) { |
2869 | printf("Too big: nr %zu max_nr %zu\n", nr, max_nr); | |
3c659eed | 2870 | return -EINVAL; |
b47bb186 AH |
2871 | } |
2872 | ||
2873 | if (sz >= nr * etot_sz) { | |
2874 | max_nr = sz / etot_sz; | |
2875 | if (nr > max_nr) { | |
2876 | printf("Too big2: nr %zu max_nr %zu\n", nr, max_nr); | |
2877 | return -EINVAL; | |
2878 | } | |
2879 | e2 = (void *)ie + sizeof(*ie) + nr * e1_sz; | |
2880 | } else { | |
2881 | e2 = NULL; | |
2882 | } | |
3c659eed AH |
2883 | |
2884 | if (dump_trace) | |
2885 | fprintf(stdout, " nr: %zu\n", nr); | |
2886 | ||
b47bb186 | 2887 | for (i = 0; i < nr; i++, (e2 ? e2++ : 0)) { |
3c659eed AH |
2888 | struct id_index_entry *e = &ie->entries[i]; |
2889 | struct perf_sample_id *sid; | |
ff7a78c2 | 2890 | int ret; |
3c659eed AH |
2891 | |
2892 | if (dump_trace) { | |
fecb4100 JO |
2893 | fprintf(stdout, " ... id: %"PRI_lu64, e->id); |
2894 | fprintf(stdout, " idx: %"PRI_lu64, e->idx); | |
2895 | fprintf(stdout, " cpu: %"PRI_ld64, e->cpu); | |
b47bb186 AH |
2896 | fprintf(stdout, " tid: %"PRI_ld64, e->tid); |
2897 | if (e2) { | |
2898 | fprintf(stdout, " machine_pid: %"PRI_ld64, e2->machine_pid); | |
2899 | fprintf(stdout, " vcpu: %"PRI_lu64"\n", e2->vcpu); | |
2900 | } else { | |
2901 | fprintf(stdout, "\n"); | |
2902 | } | |
3c659eed AH |
2903 | } |
2904 | ||
3ccf8a7b | 2905 | sid = evlist__id2sid(evlist, e->id); |
3c659eed AH |
2906 | if (!sid) |
2907 | return -ENOENT; | |
b47bb186 | 2908 | |
3c659eed | 2909 | sid->idx = e->idx; |
6d18804b | 2910 | sid->cpu.cpu = e->cpu; |
3c659eed | 2911 | sid->tid = e->tid; |
b47bb186 AH |
2912 | |
2913 | if (!e2) | |
2914 | continue; | |
2915 | ||
2916 | sid->machine_pid = e2->machine_pid; | |
2917 | sid->vcpu.cpu = e2->vcpu; | |
ff7a78c2 AH |
2918 | |
2919 | if (!sid->machine_pid) | |
2920 | continue; | |
2921 | ||
2922 | if (sid->machine_pid != last_pid) { | |
2923 | ret = perf_session__register_guest(session, sid->machine_pid); | |
2924 | if (ret) | |
2925 | return ret; | |
2926 | last_pid = sid->machine_pid; | |
2927 | perf_guest = true; | |
2928 | } | |
797efbc5 AH |
2929 | |
2930 | ret = perf_session__set_guest_cpu(session, sid->machine_pid, e->tid, e2->vcpu); | |
2931 | if (ret) | |
2932 | return ret; | |
3c659eed AH |
2933 | } |
2934 | return 0; | |
2935 | } | |
83acca9f IR |
2936 | |
2937 | int perf_session__dsos_hit_all(struct perf_session *session) | |
2938 | { | |
2939 | struct rb_node *nd; | |
2940 | int err; | |
2941 | ||
2942 | err = machine__hit_all_dsos(&session->machines.host); | |
2943 | if (err) | |
2944 | return err; | |
2945 | ||
2946 | for (nd = rb_first_cached(&session->machines.guests); nd; | |
2947 | nd = rb_next(nd)) { | |
2948 | struct machine *pos = rb_entry(nd, struct machine, rb_node); | |
2949 | ||
2950 | err = machine__hit_all_dsos(pos); | |
2951 | if (err) | |
2952 | return err; | |
2953 | } | |
2954 | ||
2955 | return 0; | |
2956 | } |