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Commit | Line | Data |
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234fbbf5 ACM |
1 | #include <linux/types.h> |
2 | #include "event.h" | |
3 | #include "debug.h" | |
ec913369 | 4 | #include "session.h" |
c410a338 | 5 | #include "sort.h" |
234fbbf5 | 6 | #include "string.h" |
c410a338 | 7 | #include "strlist.h" |
62daacb5 | 8 | #include "thread.h" |
234fbbf5 ACM |
9 | |
10 | static pid_t event__synthesize_comm(pid_t pid, int full, | |
cf553114 | 11 | event__handler_t process, |
d8f66248 | 12 | struct perf_session *session) |
234fbbf5 ACM |
13 | { |
14 | event_t ev; | |
15 | char filename[PATH_MAX]; | |
16 | char bf[BUFSIZ]; | |
17 | FILE *fp; | |
18 | size_t size = 0; | |
19 | DIR *tasks; | |
20 | struct dirent dirent, *next; | |
21 | pid_t tgid = 0; | |
22 | ||
23 | snprintf(filename, sizeof(filename), "/proc/%d/status", pid); | |
24 | ||
25 | fp = fopen(filename, "r"); | |
26 | if (fp == NULL) { | |
27 | out_race: | |
28 | /* | |
29 | * We raced with a task exiting - just return: | |
30 | */ | |
31 | pr_debug("couldn't open %s\n", filename); | |
32 | return 0; | |
33 | } | |
34 | ||
35 | memset(&ev.comm, 0, sizeof(ev.comm)); | |
36 | while (!ev.comm.comm[0] || !ev.comm.pid) { | |
37 | if (fgets(bf, sizeof(bf), fp) == NULL) | |
38 | goto out_failure; | |
39 | ||
40 | if (memcmp(bf, "Name:", 5) == 0) { | |
41 | char *name = bf + 5; | |
42 | while (*name && isspace(*name)) | |
43 | ++name; | |
44 | size = strlen(name) - 1; | |
45 | memcpy(ev.comm.comm, name, size++); | |
46 | } else if (memcmp(bf, "Tgid:", 5) == 0) { | |
47 | char *tgids = bf + 5; | |
48 | while (*tgids && isspace(*tgids)) | |
49 | ++tgids; | |
50 | tgid = ev.comm.pid = atoi(tgids); | |
51 | } | |
52 | } | |
53 | ||
54 | ev.comm.header.type = PERF_RECORD_COMM; | |
55 | size = ALIGN(size, sizeof(u64)); | |
56 | ev.comm.header.size = sizeof(ev.comm) - (sizeof(ev.comm.comm) - size); | |
57 | ||
58 | if (!full) { | |
59 | ev.comm.tid = pid; | |
60 | ||
d8f66248 | 61 | process(&ev, session); |
234fbbf5 ACM |
62 | goto out_fclose; |
63 | } | |
64 | ||
65 | snprintf(filename, sizeof(filename), "/proc/%d/task", pid); | |
66 | ||
67 | tasks = opendir(filename); | |
68 | if (tasks == NULL) | |
69 | goto out_race; | |
70 | ||
71 | while (!readdir_r(tasks, &dirent, &next) && next) { | |
72 | char *end; | |
73 | pid = strtol(dirent.d_name, &end, 10); | |
74 | if (*end) | |
75 | continue; | |
76 | ||
77 | ev.comm.tid = pid; | |
78 | ||
d8f66248 | 79 | process(&ev, session); |
234fbbf5 ACM |
80 | } |
81 | closedir(tasks); | |
82 | ||
83 | out_fclose: | |
84 | fclose(fp); | |
85 | return tgid; | |
86 | ||
87 | out_failure: | |
88 | pr_warning("couldn't get COMM and pgid, malformed %s\n", filename); | |
89 | return -1; | |
90 | } | |
91 | ||
92 | static int event__synthesize_mmap_events(pid_t pid, pid_t tgid, | |
cf553114 | 93 | event__handler_t process, |
d8f66248 | 94 | struct perf_session *session) |
234fbbf5 ACM |
95 | { |
96 | char filename[PATH_MAX]; | |
97 | FILE *fp; | |
98 | ||
99 | snprintf(filename, sizeof(filename), "/proc/%d/maps", pid); | |
100 | ||
101 | fp = fopen(filename, "r"); | |
102 | if (fp == NULL) { | |
103 | /* | |
104 | * We raced with a task exiting - just return: | |
105 | */ | |
106 | pr_debug("couldn't open %s\n", filename); | |
107 | return -1; | |
108 | } | |
109 | ||
110 | while (1) { | |
111 | char bf[BUFSIZ], *pbf = bf; | |
112 | event_t ev = { | |
18c3daa4 ACM |
113 | .header = { |
114 | .type = PERF_RECORD_MMAP, | |
115 | .misc = 0, /* Just like the kernel, see kernel/perf_event.c __perf_event_mmap */ | |
116 | }, | |
234fbbf5 ACM |
117 | }; |
118 | int n; | |
119 | size_t size; | |
120 | if (fgets(bf, sizeof(bf), fp) == NULL) | |
121 | break; | |
122 | ||
123 | /* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */ | |
124 | n = hex2u64(pbf, &ev.mmap.start); | |
125 | if (n < 0) | |
126 | continue; | |
127 | pbf += n + 1; | |
128 | n = hex2u64(pbf, &ev.mmap.len); | |
129 | if (n < 0) | |
130 | continue; | |
131 | pbf += n + 3; | |
132 | if (*pbf == 'x') { /* vm_exec */ | |
133 | char *execname = strchr(bf, '/'); | |
134 | ||
135 | /* Catch VDSO */ | |
136 | if (execname == NULL) | |
137 | execname = strstr(bf, "[vdso]"); | |
138 | ||
139 | if (execname == NULL) | |
140 | continue; | |
141 | ||
142 | size = strlen(execname); | |
143 | execname[size - 1] = '\0'; /* Remove \n */ | |
144 | memcpy(ev.mmap.filename, execname, size); | |
145 | size = ALIGN(size, sizeof(u64)); | |
146 | ev.mmap.len -= ev.mmap.start; | |
147 | ev.mmap.header.size = (sizeof(ev.mmap) - | |
148 | (sizeof(ev.mmap.filename) - size)); | |
149 | ev.mmap.pid = tgid; | |
150 | ev.mmap.tid = pid; | |
151 | ||
d8f66248 | 152 | process(&ev, session); |
234fbbf5 ACM |
153 | } |
154 | } | |
155 | ||
156 | fclose(fp); | |
157 | return 0; | |
158 | } | |
159 | ||
b7cece76 ACM |
160 | int event__synthesize_modules(event__handler_t process, |
161 | struct perf_session *session) | |
162 | { | |
163 | struct rb_node *nd; | |
164 | ||
165 | for (nd = rb_first(&session->kmaps.maps[MAP__FUNCTION]); | |
166 | nd; nd = rb_next(nd)) { | |
167 | event_t ev; | |
168 | size_t size; | |
169 | struct map *pos = rb_entry(nd, struct map, rb_node); | |
170 | ||
171 | if (pos->dso->kernel) | |
172 | continue; | |
173 | ||
174 | size = ALIGN(pos->dso->long_name_len + 1, sizeof(u64)); | |
175 | memset(&ev, 0, sizeof(ev)); | |
18c3daa4 | 176 | ev.mmap.header.misc = 1; /* kernel uses 0 for user space maps, see kernel/perf_event.c __perf_event_mmap */ |
b7cece76 ACM |
177 | ev.mmap.header.type = PERF_RECORD_MMAP; |
178 | ev.mmap.header.size = (sizeof(ev.mmap) - | |
179 | (sizeof(ev.mmap.filename) - size)); | |
180 | ev.mmap.start = pos->start; | |
181 | ev.mmap.len = pos->end - pos->start; | |
182 | ||
183 | memcpy(ev.mmap.filename, pos->dso->long_name, | |
184 | pos->dso->long_name_len + 1); | |
185 | process(&ev, session); | |
186 | } | |
187 | ||
188 | return 0; | |
189 | } | |
190 | ||
cf553114 | 191 | int event__synthesize_thread(pid_t pid, event__handler_t process, |
d8f66248 | 192 | struct perf_session *session) |
234fbbf5 | 193 | { |
d8f66248 | 194 | pid_t tgid = event__synthesize_comm(pid, 1, process, session); |
234fbbf5 ACM |
195 | if (tgid == -1) |
196 | return -1; | |
d8f66248 | 197 | return event__synthesize_mmap_events(pid, tgid, process, session); |
234fbbf5 ACM |
198 | } |
199 | ||
cf553114 | 200 | void event__synthesize_threads(event__handler_t process, |
d8f66248 | 201 | struct perf_session *session) |
234fbbf5 ACM |
202 | { |
203 | DIR *proc; | |
204 | struct dirent dirent, *next; | |
205 | ||
206 | proc = opendir("/proc"); | |
207 | ||
208 | while (!readdir_r(proc, &dirent, &next) && next) { | |
209 | char *end; | |
210 | pid_t pid = strtol(dirent.d_name, &end, 10); | |
211 | ||
212 | if (*end) /* only interested in proper numerical dirents */ | |
213 | continue; | |
214 | ||
d8f66248 | 215 | event__synthesize_thread(pid, process, session); |
234fbbf5 ACM |
216 | } |
217 | ||
218 | closedir(proc); | |
219 | } | |
62daacb5 | 220 | |
56b03f3c ACM |
221 | struct process_symbol_args { |
222 | const char *name; | |
223 | u64 start; | |
224 | }; | |
225 | ||
226 | static int find_symbol_cb(void *arg, const char *name, char type, u64 start) | |
227 | { | |
228 | struct process_symbol_args *args = arg; | |
229 | ||
881516eb ACM |
230 | /* |
231 | * Must be a function or at least an alias, as in PARISC64, where "_text" is | |
232 | * an 'A' to the same address as "_stext". | |
233 | */ | |
234 | if (!(symbol_type__is_a(type, MAP__FUNCTION) || | |
235 | type == 'A') || strcmp(name, args->name)) | |
56b03f3c ACM |
236 | return 0; |
237 | ||
238 | args->start = start; | |
239 | return 1; | |
240 | } | |
241 | ||
cf553114 | 242 | int event__synthesize_kernel_mmap(event__handler_t process, |
56b03f3c ACM |
243 | struct perf_session *session, |
244 | const char *symbol_name) | |
245 | { | |
246 | size_t size; | |
247 | event_t ev = { | |
18c3daa4 ACM |
248 | .header = { |
249 | .type = PERF_RECORD_MMAP, | |
250 | .misc = 1, /* kernel uses 0 for user space maps, see kernel/perf_event.c __perf_event_mmap */ | |
251 | }, | |
56b03f3c ACM |
252 | }; |
253 | /* | |
254 | * We should get this from /sys/kernel/sections/.text, but till that is | |
255 | * available use this, and after it is use this as a fallback for older | |
256 | * kernels. | |
257 | */ | |
258 | struct process_symbol_args args = { .name = symbol_name, }; | |
259 | ||
9e201442 | 260 | if (kallsyms__parse("/proc/kallsyms", &args, find_symbol_cb) <= 0) |
56b03f3c ACM |
261 | return -ENOENT; |
262 | ||
263 | size = snprintf(ev.mmap.filename, sizeof(ev.mmap.filename), | |
264 | "[kernel.kallsyms.%s]", symbol_name) + 1; | |
265 | size = ALIGN(size, sizeof(u64)); | |
266 | ev.mmap.header.size = (sizeof(ev.mmap) - (sizeof(ev.mmap.filename) - size)); | |
b7cece76 ACM |
267 | ev.mmap.pgoff = args.start; |
268 | ev.mmap.start = session->vmlinux_maps[MAP__FUNCTION]->start; | |
269 | ev.mmap.len = session->vmlinux_maps[MAP__FUNCTION]->end - ev.mmap.start ; | |
56b03f3c ACM |
270 | |
271 | return process(&ev, session); | |
272 | } | |
273 | ||
d599db3f ACM |
274 | static void thread__comm_adjust(struct thread *self) |
275 | { | |
276 | char *comm = self->comm; | |
277 | ||
278 | if (!symbol_conf.col_width_list_str && !symbol_conf.field_sep && | |
279 | (!symbol_conf.comm_list || | |
280 | strlist__has_entry(symbol_conf.comm_list, comm))) { | |
281 | unsigned int slen = strlen(comm); | |
282 | ||
283 | if (slen > comms__col_width) { | |
284 | comms__col_width = slen; | |
285 | threads__col_width = slen + 6; | |
286 | } | |
287 | } | |
288 | } | |
289 | ||
290 | static int thread__set_comm_adjust(struct thread *self, const char *comm) | |
291 | { | |
292 | int ret = thread__set_comm(self, comm); | |
293 | ||
294 | if (ret) | |
295 | return ret; | |
296 | ||
297 | thread__comm_adjust(self); | |
298 | ||
299 | return 0; | |
300 | } | |
301 | ||
b3165f41 | 302 | int event__process_comm(event_t *self, struct perf_session *session) |
62daacb5 | 303 | { |
b3165f41 | 304 | struct thread *thread = perf_session__findnew(session, self->comm.pid); |
62daacb5 | 305 | |
bab81b62 | 306 | dump_printf(": %s:%d\n", self->comm.comm, self->comm.pid); |
62daacb5 | 307 | |
d599db3f | 308 | if (thread == NULL || thread__set_comm_adjust(thread, self->comm.comm)) { |
62daacb5 ACM |
309 | dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n"); |
310 | return -1; | |
311 | } | |
312 | ||
313 | return 0; | |
314 | } | |
315 | ||
f823e441 | 316 | int event__process_lost(event_t *self, struct perf_session *session) |
62daacb5 ACM |
317 | { |
318 | dump_printf(": id:%Ld: lost:%Ld\n", self->lost.id, self->lost.lost); | |
f823e441 | 319 | session->events_stats.lost += self->lost.lost; |
62daacb5 ACM |
320 | return 0; |
321 | } | |
322 | ||
ec913369 | 323 | int event__process_mmap(event_t *self, struct perf_session *session) |
62daacb5 | 324 | { |
56b03f3c ACM |
325 | struct thread *thread; |
326 | struct map *map; | |
62daacb5 | 327 | |
0d755034 ACM |
328 | dump_printf(" %d/%d: [%#Lx(%#Lx) @ %#Lx]: %s\n", |
329 | self->mmap.pid, self->mmap.tid, self->mmap.start, | |
330 | self->mmap.len, self->mmap.pgoff, self->mmap.filename); | |
62daacb5 | 331 | |
b7cece76 ACM |
332 | if (self->mmap.pid == 0) { |
333 | static const char kmmap_prefix[] = "[kernel.kallsyms."; | |
334 | ||
335 | if (self->mmap.filename[0] == '/') { | |
336 | char short_module_name[1024]; | |
337 | char *name = strrchr(self->mmap.filename, '/'), *dot; | |
338 | ||
339 | if (name == NULL) | |
340 | goto out_problem; | |
341 | ||
342 | ++name; /* skip / */ | |
343 | dot = strrchr(name, '.'); | |
344 | if (dot == NULL) | |
345 | goto out_problem; | |
346 | ||
347 | snprintf(short_module_name, sizeof(short_module_name), | |
348 | "[%.*s]", (int)(dot - name), name); | |
349 | strxfrchar(short_module_name, '-', '_'); | |
350 | ||
351 | map = perf_session__new_module_map(session, | |
352 | self->mmap.start, | |
460848fc | 353 | self->mmap.filename); |
b7cece76 ACM |
354 | if (map == NULL) |
355 | goto out_problem; | |
356 | ||
460848fc | 357 | name = strdup(short_module_name); |
b7cece76 ACM |
358 | if (name == NULL) |
359 | goto out_problem; | |
360 | ||
460848fc | 361 | map->dso->short_name = name; |
b7cece76 ACM |
362 | map->end = map->start + self->mmap.len; |
363 | } else if (memcmp(self->mmap.filename, kmmap_prefix, | |
364 | sizeof(kmmap_prefix) - 1) == 0) { | |
365 | const char *symbol_name = (self->mmap.filename + | |
366 | sizeof(kmmap_prefix) - 1); | |
367 | /* | |
368 | * Should be there already, from the build-id table in | |
369 | * the header. | |
370 | */ | |
371 | struct dso *kernel = __dsos__findnew(&dsos__kernel, | |
372 | "[kernel.kallsyms]"); | |
373 | if (kernel == NULL) | |
374 | goto out_problem; | |
375 | ||
f162f87a | 376 | kernel->kernel = 1; |
b7cece76 ACM |
377 | if (__map_groups__create_kernel_maps(&session->kmaps, |
378 | session->vmlinux_maps, | |
379 | kernel) < 0) | |
380 | goto out_problem; | |
381 | ||
382 | session->vmlinux_maps[MAP__FUNCTION]->start = self->mmap.start; | |
383 | session->vmlinux_maps[MAP__FUNCTION]->end = self->mmap.start + self->mmap.len; | |
384 | ||
385 | perf_session__set_kallsyms_ref_reloc_sym(session, symbol_name, | |
386 | self->mmap.pgoff); | |
387 | } | |
56b03f3c ACM |
388 | return 0; |
389 | } | |
390 | ||
391 | thread = perf_session__findnew(session, self->mmap.pid); | |
392 | map = map__new(&self->mmap, MAP__FUNCTION, | |
393 | session->cwd, session->cwdlen); | |
394 | ||
62daacb5 | 395 | if (thread == NULL || map == NULL) |
b7cece76 ACM |
396 | goto out_problem; |
397 | ||
398 | thread__insert_map(thread, map); | |
399 | return 0; | |
62daacb5 | 400 | |
b7cece76 ACM |
401 | out_problem: |
402 | dump_printf("problem processing PERF_RECORD_MMAP, skipping event.\n"); | |
62daacb5 ACM |
403 | return 0; |
404 | } | |
405 | ||
b3165f41 | 406 | int event__process_task(event_t *self, struct perf_session *session) |
62daacb5 | 407 | { |
b3165f41 ACM |
408 | struct thread *thread = perf_session__findnew(session, self->fork.pid); |
409 | struct thread *parent = perf_session__findnew(session, self->fork.ppid); | |
62daacb5 ACM |
410 | |
411 | dump_printf("(%d:%d):(%d:%d)\n", self->fork.pid, self->fork.tid, | |
412 | self->fork.ppid, self->fork.ptid); | |
413 | /* | |
414 | * A thread clone will have the same PID for both parent and child. | |
415 | */ | |
416 | if (thread == parent) | |
417 | return 0; | |
418 | ||
419 | if (self->header.type == PERF_RECORD_EXIT) | |
420 | return 0; | |
421 | ||
422 | if (thread == NULL || parent == NULL || | |
423 | thread__fork(thread, parent) < 0) { | |
424 | dump_printf("problem processing PERF_RECORD_FORK, skipping event.\n"); | |
425 | return -1; | |
426 | } | |
427 | ||
428 | return 0; | |
429 | } | |
1ed091c4 | 430 | |
59ee68ec ACM |
431 | void thread__find_addr_map(struct thread *self, |
432 | struct perf_session *session, u8 cpumode, | |
433 | enum map_type type, u64 addr, | |
434 | struct addr_location *al) | |
1ed091c4 | 435 | { |
9958e1f0 | 436 | struct map_groups *mg = &self->mg; |
1ed091c4 | 437 | |
9958e1f0 | 438 | al->thread = self; |
1ed091c4 ACM |
439 | al->addr = addr; |
440 | ||
441 | if (cpumode & PERF_RECORD_MISC_KERNEL) { | |
442 | al->level = 'k'; | |
4aa65636 | 443 | mg = &session->kmaps; |
1ed091c4 ACM |
444 | } else if (cpumode & PERF_RECORD_MISC_USER) |
445 | al->level = '.'; | |
446 | else { | |
447 | al->level = 'H'; | |
448 | al->map = NULL; | |
1ed091c4 ACM |
449 | return; |
450 | } | |
451 | try_again: | |
9958e1f0 | 452 | al->map = map_groups__find(mg, type, al->addr); |
1ed091c4 ACM |
453 | if (al->map == NULL) { |
454 | /* | |
455 | * If this is outside of all known maps, and is a negative | |
456 | * address, try to look it up in the kernel dso, as it might be | |
457 | * a vsyscall or vdso (which executes in user-mode). | |
458 | * | |
459 | * XXX This is nasty, we should have a symbol list in the | |
460 | * "[vdso]" dso, but for now lets use the old trick of looking | |
461 | * in the whole kernel symbol list. | |
462 | */ | |
4aa65636 ACM |
463 | if ((long long)al->addr < 0 && mg != &session->kmaps) { |
464 | mg = &session->kmaps; | |
1ed091c4 ACM |
465 | goto try_again; |
466 | } | |
59ee68ec | 467 | } else |
1ed091c4 | 468 | al->addr = al->map->map_ip(al->map, al->addr); |
59ee68ec ACM |
469 | } |
470 | ||
471 | void thread__find_addr_location(struct thread *self, | |
472 | struct perf_session *session, u8 cpumode, | |
473 | enum map_type type, u64 addr, | |
474 | struct addr_location *al, | |
475 | symbol_filter_t filter) | |
476 | { | |
477 | thread__find_addr_map(self, session, cpumode, type, addr, al); | |
478 | if (al->map != NULL) | |
4aa65636 | 479 | al->sym = map__find_symbol(al->map, session, al->addr, filter); |
59ee68ec ACM |
480 | else |
481 | al->sym = NULL; | |
1ed091c4 ACM |
482 | } |
483 | ||
c410a338 ACM |
484 | static void dso__calc_col_width(struct dso *self) |
485 | { | |
486 | if (!symbol_conf.col_width_list_str && !symbol_conf.field_sep && | |
487 | (!symbol_conf.dso_list || | |
488 | strlist__has_entry(symbol_conf.dso_list, self->name))) { | |
489 | unsigned int slen = strlen(self->name); | |
490 | if (slen > dsos__col_width) | |
491 | dsos__col_width = slen; | |
492 | } | |
493 | ||
494 | self->slen_calculated = 1; | |
495 | } | |
496 | ||
b3165f41 ACM |
497 | int event__preprocess_sample(const event_t *self, struct perf_session *session, |
498 | struct addr_location *al, symbol_filter_t filter) | |
1ed091c4 ACM |
499 | { |
500 | u8 cpumode = self->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
b3165f41 | 501 | struct thread *thread = perf_session__findnew(session, self->ip.pid); |
1ed091c4 ACM |
502 | |
503 | if (thread == NULL) | |
504 | return -1; | |
505 | ||
c410a338 ACM |
506 | if (symbol_conf.comm_list && |
507 | !strlist__has_entry(symbol_conf.comm_list, thread->comm)) | |
508 | goto out_filtered; | |
509 | ||
1ed091c4 ACM |
510 | dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); |
511 | ||
4aa65636 | 512 | thread__find_addr_location(thread, session, cpumode, MAP__FUNCTION, |
1ed091c4 ACM |
513 | self->ip.ip, al, filter); |
514 | dump_printf(" ...... dso: %s\n", | |
515 | al->map ? al->map->dso->long_name : | |
516 | al->level == 'H' ? "[hypervisor]" : "<not found>"); | |
c410a338 ACM |
517 | /* |
518 | * We have to do this here as we may have a dso with no symbol hit that | |
519 | * has a name longer than the ones with symbols sampled. | |
520 | */ | |
521 | if (al->map && !sort_dso.elide && !al->map->dso->slen_calculated) | |
522 | dso__calc_col_width(al->map->dso); | |
523 | ||
524 | if (symbol_conf.dso_list && | |
525 | (!al->map || !al->map->dso || | |
526 | !(strlist__has_entry(symbol_conf.dso_list, al->map->dso->short_name) || | |
527 | (al->map->dso->short_name != al->map->dso->long_name && | |
528 | strlist__has_entry(symbol_conf.dso_list, al->map->dso->long_name))))) | |
529 | goto out_filtered; | |
530 | ||
531 | if (symbol_conf.sym_list && al->sym && | |
532 | !strlist__has_entry(symbol_conf.sym_list, al->sym->name)) | |
533 | goto out_filtered; | |
534 | ||
535 | al->filtered = false; | |
536 | return 0; | |
537 | ||
538 | out_filtered: | |
539 | al->filtered = true; | |
1ed091c4 ACM |
540 | return 0; |
541 | } | |
180f95e2 OH |
542 | |
543 | int event__parse_sample(event_t *event, u64 type, struct sample_data *data) | |
544 | { | |
545 | u64 *array = event->sample.array; | |
546 | ||
547 | if (type & PERF_SAMPLE_IP) { | |
548 | data->ip = event->ip.ip; | |
549 | array++; | |
550 | } | |
551 | ||
552 | if (type & PERF_SAMPLE_TID) { | |
553 | u32 *p = (u32 *)array; | |
554 | data->pid = p[0]; | |
555 | data->tid = p[1]; | |
556 | array++; | |
557 | } | |
558 | ||
559 | if (type & PERF_SAMPLE_TIME) { | |
560 | data->time = *array; | |
561 | array++; | |
562 | } | |
563 | ||
564 | if (type & PERF_SAMPLE_ADDR) { | |
565 | data->addr = *array; | |
566 | array++; | |
567 | } | |
568 | ||
569 | if (type & PERF_SAMPLE_ID) { | |
570 | data->id = *array; | |
571 | array++; | |
572 | } | |
573 | ||
574 | if (type & PERF_SAMPLE_STREAM_ID) { | |
575 | data->stream_id = *array; | |
576 | array++; | |
577 | } | |
578 | ||
579 | if (type & PERF_SAMPLE_CPU) { | |
580 | u32 *p = (u32 *)array; | |
581 | data->cpu = *p; | |
582 | array++; | |
583 | } | |
584 | ||
585 | if (type & PERF_SAMPLE_PERIOD) { | |
586 | data->period = *array; | |
587 | array++; | |
588 | } | |
589 | ||
590 | if (type & PERF_SAMPLE_READ) { | |
591 | pr_debug("PERF_SAMPLE_READ is unsuported for now\n"); | |
592 | return -1; | |
593 | } | |
594 | ||
595 | if (type & PERF_SAMPLE_CALLCHAIN) { | |
596 | data->callchain = (struct ip_callchain *)array; | |
597 | array += 1 + data->callchain->nr; | |
598 | } | |
599 | ||
600 | if (type & PERF_SAMPLE_RAW) { | |
601 | u32 *p = (u32 *)array; | |
602 | data->raw_size = *p; | |
603 | p++; | |
604 | data->raw_data = p; | |
605 | } | |
606 | ||
607 | return 0; | |
608 | } |