Commit | Line | Data |
---|---|---|
4e319027 | 1 | #include <traceevent/event-parse.h> |
514f1c67 | 2 | #include "builtin.h" |
752fde44 | 3 | #include "util/color.h" |
7c304ee0 | 4 | #include "util/debug.h" |
514f1c67 | 5 | #include "util/evlist.h" |
005438a8 | 6 | #include "util/exec_cmd.h" |
752fde44 | 7 | #include "util/machine.h" |
6810fc91 | 8 | #include "util/session.h" |
752fde44 | 9 | #include "util/thread.h" |
514f1c67 | 10 | #include "util/parse-options.h" |
2ae3a312 | 11 | #include "util/strlist.h" |
bdc89661 | 12 | #include "util/intlist.h" |
514f1c67 | 13 | #include "util/thread_map.h" |
bf2575c1 | 14 | #include "util/stat.h" |
97978b3e | 15 | #include "trace-event.h" |
9aca7f17 | 16 | #include "util/parse-events.h" |
514f1c67 ACM |
17 | |
18 | #include <libaudit.h> | |
19 | #include <stdlib.h> | |
ae685380 | 20 | #include <sys/mman.h> |
f9da0b0c | 21 | #include <linux/futex.h> |
514f1c67 | 22 | |
456857bd IM |
23 | /* For older distros: */ |
24 | #ifndef MAP_STACK | |
25 | # define MAP_STACK 0x20000 | |
26 | #endif | |
27 | ||
28 | #ifndef MADV_HWPOISON | |
29 | # define MADV_HWPOISON 100 | |
30 | #endif | |
31 | ||
32 | #ifndef MADV_MERGEABLE | |
33 | # define MADV_MERGEABLE 12 | |
34 | #endif | |
35 | ||
36 | #ifndef MADV_UNMERGEABLE | |
37 | # define MADV_UNMERGEABLE 13 | |
38 | #endif | |
39 | ||
79d26a6a BH |
40 | #ifndef EFD_SEMAPHORE |
41 | # define EFD_SEMAPHORE 1 | |
42 | #endif | |
43 | ||
c188e7ac ACM |
44 | #ifndef EFD_NONBLOCK |
45 | # define EFD_NONBLOCK 00004000 | |
46 | #endif | |
47 | ||
48 | #ifndef EFD_CLOEXEC | |
49 | # define EFD_CLOEXEC 02000000 | |
50 | #endif | |
51 | ||
52 | #ifndef O_CLOEXEC | |
53 | # define O_CLOEXEC 02000000 | |
54 | #endif | |
55 | ||
56 | #ifndef SOCK_DCCP | |
57 | # define SOCK_DCCP 6 | |
58 | #endif | |
59 | ||
60 | #ifndef SOCK_CLOEXEC | |
61 | # define SOCK_CLOEXEC 02000000 | |
62 | #endif | |
63 | ||
64 | #ifndef SOCK_NONBLOCK | |
65 | # define SOCK_NONBLOCK 00004000 | |
66 | #endif | |
67 | ||
68 | #ifndef MSG_CMSG_CLOEXEC | |
69 | # define MSG_CMSG_CLOEXEC 0x40000000 | |
70 | #endif | |
71 | ||
a1c2552d ACM |
72 | #ifndef PERF_FLAG_FD_NO_GROUP |
73 | # define PERF_FLAG_FD_NO_GROUP (1UL << 0) | |
74 | #endif | |
75 | ||
76 | #ifndef PERF_FLAG_FD_OUTPUT | |
77 | # define PERF_FLAG_FD_OUTPUT (1UL << 1) | |
78 | #endif | |
79 | ||
80 | #ifndef PERF_FLAG_PID_CGROUP | |
81 | # define PERF_FLAG_PID_CGROUP (1UL << 2) /* pid=cgroup id, per-cpu mode only */ | |
82 | #endif | |
83 | ||
84 | #ifndef PERF_FLAG_FD_CLOEXEC | |
85 | # define PERF_FLAG_FD_CLOEXEC (1UL << 3) /* O_CLOEXEC */ | |
86 | #endif | |
87 | ||
88 | ||
77170988 ACM |
89 | struct tp_field { |
90 | int offset; | |
91 | union { | |
92 | u64 (*integer)(struct tp_field *field, struct perf_sample *sample); | |
93 | void *(*pointer)(struct tp_field *field, struct perf_sample *sample); | |
94 | }; | |
95 | }; | |
96 | ||
97 | #define TP_UINT_FIELD(bits) \ | |
98 | static u64 tp_field__u##bits(struct tp_field *field, struct perf_sample *sample) \ | |
99 | { \ | |
55d43bca DA |
100 | u##bits value; \ |
101 | memcpy(&value, sample->raw_data + field->offset, sizeof(value)); \ | |
102 | return value; \ | |
77170988 ACM |
103 | } |
104 | ||
105 | TP_UINT_FIELD(8); | |
106 | TP_UINT_FIELD(16); | |
107 | TP_UINT_FIELD(32); | |
108 | TP_UINT_FIELD(64); | |
109 | ||
110 | #define TP_UINT_FIELD__SWAPPED(bits) \ | |
111 | static u64 tp_field__swapped_u##bits(struct tp_field *field, struct perf_sample *sample) \ | |
112 | { \ | |
55d43bca DA |
113 | u##bits value; \ |
114 | memcpy(&value, sample->raw_data + field->offset, sizeof(value)); \ | |
77170988 ACM |
115 | return bswap_##bits(value);\ |
116 | } | |
117 | ||
118 | TP_UINT_FIELD__SWAPPED(16); | |
119 | TP_UINT_FIELD__SWAPPED(32); | |
120 | TP_UINT_FIELD__SWAPPED(64); | |
121 | ||
122 | static int tp_field__init_uint(struct tp_field *field, | |
123 | struct format_field *format_field, | |
124 | bool needs_swap) | |
125 | { | |
126 | field->offset = format_field->offset; | |
127 | ||
128 | switch (format_field->size) { | |
129 | case 1: | |
130 | field->integer = tp_field__u8; | |
131 | break; | |
132 | case 2: | |
133 | field->integer = needs_swap ? tp_field__swapped_u16 : tp_field__u16; | |
134 | break; | |
135 | case 4: | |
136 | field->integer = needs_swap ? tp_field__swapped_u32 : tp_field__u32; | |
137 | break; | |
138 | case 8: | |
139 | field->integer = needs_swap ? tp_field__swapped_u64 : tp_field__u64; | |
140 | break; | |
141 | default: | |
142 | return -1; | |
143 | } | |
144 | ||
145 | return 0; | |
146 | } | |
147 | ||
148 | static void *tp_field__ptr(struct tp_field *field, struct perf_sample *sample) | |
149 | { | |
150 | return sample->raw_data + field->offset; | |
151 | } | |
152 | ||
153 | static int tp_field__init_ptr(struct tp_field *field, struct format_field *format_field) | |
154 | { | |
155 | field->offset = format_field->offset; | |
156 | field->pointer = tp_field__ptr; | |
157 | return 0; | |
158 | } | |
159 | ||
160 | struct syscall_tp { | |
161 | struct tp_field id; | |
162 | union { | |
163 | struct tp_field args, ret; | |
164 | }; | |
165 | }; | |
166 | ||
167 | static int perf_evsel__init_tp_uint_field(struct perf_evsel *evsel, | |
168 | struct tp_field *field, | |
169 | const char *name) | |
170 | { | |
171 | struct format_field *format_field = perf_evsel__field(evsel, name); | |
172 | ||
173 | if (format_field == NULL) | |
174 | return -1; | |
175 | ||
176 | return tp_field__init_uint(field, format_field, evsel->needs_swap); | |
177 | } | |
178 | ||
179 | #define perf_evsel__init_sc_tp_uint_field(evsel, name) \ | |
180 | ({ struct syscall_tp *sc = evsel->priv;\ | |
181 | perf_evsel__init_tp_uint_field(evsel, &sc->name, #name); }) | |
182 | ||
183 | static int perf_evsel__init_tp_ptr_field(struct perf_evsel *evsel, | |
184 | struct tp_field *field, | |
185 | const char *name) | |
186 | { | |
187 | struct format_field *format_field = perf_evsel__field(evsel, name); | |
188 | ||
189 | if (format_field == NULL) | |
190 | return -1; | |
191 | ||
192 | return tp_field__init_ptr(field, format_field); | |
193 | } | |
194 | ||
195 | #define perf_evsel__init_sc_tp_ptr_field(evsel, name) \ | |
196 | ({ struct syscall_tp *sc = evsel->priv;\ | |
197 | perf_evsel__init_tp_ptr_field(evsel, &sc->name, #name); }) | |
198 | ||
199 | static void perf_evsel__delete_priv(struct perf_evsel *evsel) | |
200 | { | |
04662523 | 201 | zfree(&evsel->priv); |
77170988 ACM |
202 | perf_evsel__delete(evsel); |
203 | } | |
204 | ||
96695d44 NK |
205 | static int perf_evsel__init_syscall_tp(struct perf_evsel *evsel, void *handler) |
206 | { | |
207 | evsel->priv = malloc(sizeof(struct syscall_tp)); | |
208 | if (evsel->priv != NULL) { | |
209 | if (perf_evsel__init_sc_tp_uint_field(evsel, id)) | |
210 | goto out_delete; | |
211 | ||
212 | evsel->handler = handler; | |
213 | return 0; | |
214 | } | |
215 | ||
216 | return -ENOMEM; | |
217 | ||
218 | out_delete: | |
04662523 | 219 | zfree(&evsel->priv); |
96695d44 NK |
220 | return -ENOENT; |
221 | } | |
222 | ||
ef503831 | 223 | static struct perf_evsel *perf_evsel__syscall_newtp(const char *direction, void *handler) |
77170988 | 224 | { |
ef503831 | 225 | struct perf_evsel *evsel = perf_evsel__newtp("raw_syscalls", direction); |
77170988 | 226 | |
9aca7f17 DA |
227 | /* older kernel (e.g., RHEL6) use syscalls:{enter,exit} */ |
228 | if (evsel == NULL) | |
229 | evsel = perf_evsel__newtp("syscalls", direction); | |
230 | ||
77170988 | 231 | if (evsel) { |
96695d44 | 232 | if (perf_evsel__init_syscall_tp(evsel, handler)) |
77170988 | 233 | goto out_delete; |
77170988 ACM |
234 | } |
235 | ||
236 | return evsel; | |
237 | ||
238 | out_delete: | |
239 | perf_evsel__delete_priv(evsel); | |
240 | return NULL; | |
241 | } | |
242 | ||
243 | #define perf_evsel__sc_tp_uint(evsel, name, sample) \ | |
244 | ({ struct syscall_tp *fields = evsel->priv; \ | |
245 | fields->name.integer(&fields->name, sample); }) | |
246 | ||
247 | #define perf_evsel__sc_tp_ptr(evsel, name, sample) \ | |
248 | ({ struct syscall_tp *fields = evsel->priv; \ | |
249 | fields->name.pointer(&fields->name, sample); }) | |
250 | ||
01533e97 ACM |
251 | struct syscall_arg { |
252 | unsigned long val; | |
75b757ca ACM |
253 | struct thread *thread; |
254 | struct trace *trace; | |
1f115cb7 | 255 | void *parm; |
01533e97 ACM |
256 | u8 idx; |
257 | u8 mask; | |
258 | }; | |
259 | ||
1f115cb7 | 260 | struct strarray { |
03e3adc9 | 261 | int offset; |
1f115cb7 ACM |
262 | int nr_entries; |
263 | const char **entries; | |
264 | }; | |
265 | ||
266 | #define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \ | |
267 | .nr_entries = ARRAY_SIZE(array), \ | |
268 | .entries = array, \ | |
269 | } | |
270 | ||
03e3adc9 ACM |
271 | #define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \ |
272 | .offset = off, \ | |
273 | .nr_entries = ARRAY_SIZE(array), \ | |
274 | .entries = array, \ | |
275 | } | |
276 | ||
975b7c2f ACM |
277 | static size_t __syscall_arg__scnprintf_strarray(char *bf, size_t size, |
278 | const char *intfmt, | |
279 | struct syscall_arg *arg) | |
1f115cb7 | 280 | { |
1f115cb7 | 281 | struct strarray *sa = arg->parm; |
03e3adc9 | 282 | int idx = arg->val - sa->offset; |
1f115cb7 ACM |
283 | |
284 | if (idx < 0 || idx >= sa->nr_entries) | |
975b7c2f | 285 | return scnprintf(bf, size, intfmt, arg->val); |
1f115cb7 ACM |
286 | |
287 | return scnprintf(bf, size, "%s", sa->entries[idx]); | |
288 | } | |
289 | ||
975b7c2f ACM |
290 | static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size, |
291 | struct syscall_arg *arg) | |
292 | { | |
293 | return __syscall_arg__scnprintf_strarray(bf, size, "%d", arg); | |
294 | } | |
295 | ||
1f115cb7 ACM |
296 | #define SCA_STRARRAY syscall_arg__scnprintf_strarray |
297 | ||
844ae5b4 ACM |
298 | #if defined(__i386__) || defined(__x86_64__) |
299 | /* | |
300 | * FIXME: Make this available to all arches as soon as the ioctl beautifier | |
301 | * gets rewritten to support all arches. | |
302 | */ | |
78645cf3 ACM |
303 | static size_t syscall_arg__scnprintf_strhexarray(char *bf, size_t size, |
304 | struct syscall_arg *arg) | |
305 | { | |
306 | return __syscall_arg__scnprintf_strarray(bf, size, "%#x", arg); | |
307 | } | |
308 | ||
309 | #define SCA_STRHEXARRAY syscall_arg__scnprintf_strhexarray | |
844ae5b4 | 310 | #endif /* defined(__i386__) || defined(__x86_64__) */ |
78645cf3 | 311 | |
75b757ca ACM |
312 | static size_t syscall_arg__scnprintf_fd(char *bf, size_t size, |
313 | struct syscall_arg *arg); | |
314 | ||
315 | #define SCA_FD syscall_arg__scnprintf_fd | |
316 | ||
317 | static size_t syscall_arg__scnprintf_fd_at(char *bf, size_t size, | |
318 | struct syscall_arg *arg) | |
319 | { | |
320 | int fd = arg->val; | |
321 | ||
322 | if (fd == AT_FDCWD) | |
323 | return scnprintf(bf, size, "CWD"); | |
324 | ||
325 | return syscall_arg__scnprintf_fd(bf, size, arg); | |
326 | } | |
327 | ||
328 | #define SCA_FDAT syscall_arg__scnprintf_fd_at | |
329 | ||
330 | static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size, | |
331 | struct syscall_arg *arg); | |
332 | ||
333 | #define SCA_CLOSE_FD syscall_arg__scnprintf_close_fd | |
334 | ||
6e7eeb51 | 335 | static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, |
01533e97 | 336 | struct syscall_arg *arg) |
13d4ff3e | 337 | { |
01533e97 | 338 | return scnprintf(bf, size, "%#lx", arg->val); |
13d4ff3e ACM |
339 | } |
340 | ||
beccb2b5 ACM |
341 | #define SCA_HEX syscall_arg__scnprintf_hex |
342 | ||
a1c2552d ACM |
343 | static size_t syscall_arg__scnprintf_int(char *bf, size_t size, |
344 | struct syscall_arg *arg) | |
345 | { | |
346 | return scnprintf(bf, size, "%d", arg->val); | |
347 | } | |
348 | ||
349 | #define SCA_INT syscall_arg__scnprintf_int | |
350 | ||
6e7eeb51 | 351 | static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, |
01533e97 | 352 | struct syscall_arg *arg) |
ae685380 | 353 | { |
01533e97 | 354 | int printed = 0, prot = arg->val; |
ae685380 ACM |
355 | |
356 | if (prot == PROT_NONE) | |
357 | return scnprintf(bf, size, "NONE"); | |
358 | #define P_MMAP_PROT(n) \ | |
359 | if (prot & PROT_##n) { \ | |
360 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
361 | prot &= ~PROT_##n; \ | |
362 | } | |
363 | ||
364 | P_MMAP_PROT(EXEC); | |
365 | P_MMAP_PROT(READ); | |
366 | P_MMAP_PROT(WRITE); | |
367 | #ifdef PROT_SEM | |
368 | P_MMAP_PROT(SEM); | |
369 | #endif | |
370 | P_MMAP_PROT(GROWSDOWN); | |
371 | P_MMAP_PROT(GROWSUP); | |
372 | #undef P_MMAP_PROT | |
373 | ||
374 | if (prot) | |
375 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot); | |
376 | ||
377 | return printed; | |
378 | } | |
379 | ||
380 | #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot | |
381 | ||
6e7eeb51 | 382 | static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, |
01533e97 | 383 | struct syscall_arg *arg) |
941557e0 | 384 | { |
01533e97 | 385 | int printed = 0, flags = arg->val; |
941557e0 ACM |
386 | |
387 | #define P_MMAP_FLAG(n) \ | |
388 | if (flags & MAP_##n) { \ | |
389 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
390 | flags &= ~MAP_##n; \ | |
391 | } | |
392 | ||
393 | P_MMAP_FLAG(SHARED); | |
394 | P_MMAP_FLAG(PRIVATE); | |
41817815 | 395 | #ifdef MAP_32BIT |
941557e0 | 396 | P_MMAP_FLAG(32BIT); |
41817815 | 397 | #endif |
941557e0 ACM |
398 | P_MMAP_FLAG(ANONYMOUS); |
399 | P_MMAP_FLAG(DENYWRITE); | |
400 | P_MMAP_FLAG(EXECUTABLE); | |
401 | P_MMAP_FLAG(FILE); | |
402 | P_MMAP_FLAG(FIXED); | |
403 | P_MMAP_FLAG(GROWSDOWN); | |
f2935f3e | 404 | #ifdef MAP_HUGETLB |
941557e0 | 405 | P_MMAP_FLAG(HUGETLB); |
f2935f3e | 406 | #endif |
941557e0 ACM |
407 | P_MMAP_FLAG(LOCKED); |
408 | P_MMAP_FLAG(NONBLOCK); | |
409 | P_MMAP_FLAG(NORESERVE); | |
410 | P_MMAP_FLAG(POPULATE); | |
411 | P_MMAP_FLAG(STACK); | |
412 | #ifdef MAP_UNINITIALIZED | |
413 | P_MMAP_FLAG(UNINITIALIZED); | |
414 | #endif | |
415 | #undef P_MMAP_FLAG | |
416 | ||
417 | if (flags) | |
418 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
419 | ||
420 | return printed; | |
421 | } | |
422 | ||
423 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags | |
424 | ||
86998dda AS |
425 | static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size, |
426 | struct syscall_arg *arg) | |
427 | { | |
428 | int printed = 0, flags = arg->val; | |
429 | ||
430 | #define P_MREMAP_FLAG(n) \ | |
431 | if (flags & MREMAP_##n) { \ | |
432 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
433 | flags &= ~MREMAP_##n; \ | |
434 | } | |
435 | ||
436 | P_MREMAP_FLAG(MAYMOVE); | |
437 | #ifdef MREMAP_FIXED | |
438 | P_MREMAP_FLAG(FIXED); | |
439 | #endif | |
440 | #undef P_MREMAP_FLAG | |
441 | ||
442 | if (flags) | |
443 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
444 | ||
445 | return printed; | |
446 | } | |
447 | ||
448 | #define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags | |
449 | ||
6e7eeb51 | 450 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, |
01533e97 | 451 | struct syscall_arg *arg) |
9e9716d1 | 452 | { |
01533e97 | 453 | int behavior = arg->val; |
9e9716d1 ACM |
454 | |
455 | switch (behavior) { | |
456 | #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) | |
457 | P_MADV_BHV(NORMAL); | |
458 | P_MADV_BHV(RANDOM); | |
459 | P_MADV_BHV(SEQUENTIAL); | |
460 | P_MADV_BHV(WILLNEED); | |
461 | P_MADV_BHV(DONTNEED); | |
462 | P_MADV_BHV(REMOVE); | |
463 | P_MADV_BHV(DONTFORK); | |
464 | P_MADV_BHV(DOFORK); | |
465 | P_MADV_BHV(HWPOISON); | |
466 | #ifdef MADV_SOFT_OFFLINE | |
467 | P_MADV_BHV(SOFT_OFFLINE); | |
468 | #endif | |
469 | P_MADV_BHV(MERGEABLE); | |
470 | P_MADV_BHV(UNMERGEABLE); | |
f2935f3e | 471 | #ifdef MADV_HUGEPAGE |
9e9716d1 | 472 | P_MADV_BHV(HUGEPAGE); |
f2935f3e DA |
473 | #endif |
474 | #ifdef MADV_NOHUGEPAGE | |
9e9716d1 | 475 | P_MADV_BHV(NOHUGEPAGE); |
f2935f3e | 476 | #endif |
9e9716d1 ACM |
477 | #ifdef MADV_DONTDUMP |
478 | P_MADV_BHV(DONTDUMP); | |
479 | #endif | |
480 | #ifdef MADV_DODUMP | |
481 | P_MADV_BHV(DODUMP); | |
482 | #endif | |
483 | #undef P_MADV_PHV | |
484 | default: break; | |
485 | } | |
486 | ||
487 | return scnprintf(bf, size, "%#x", behavior); | |
488 | } | |
489 | ||
490 | #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior | |
491 | ||
5cea6ff2 ACM |
492 | static size_t syscall_arg__scnprintf_flock(char *bf, size_t size, |
493 | struct syscall_arg *arg) | |
494 | { | |
495 | int printed = 0, op = arg->val; | |
496 | ||
497 | if (op == 0) | |
498 | return scnprintf(bf, size, "NONE"); | |
499 | #define P_CMD(cmd) \ | |
500 | if ((op & LOCK_##cmd) == LOCK_##cmd) { \ | |
501 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \ | |
502 | op &= ~LOCK_##cmd; \ | |
503 | } | |
504 | ||
505 | P_CMD(SH); | |
506 | P_CMD(EX); | |
507 | P_CMD(NB); | |
508 | P_CMD(UN); | |
509 | P_CMD(MAND); | |
510 | P_CMD(RW); | |
511 | P_CMD(READ); | |
512 | P_CMD(WRITE); | |
513 | #undef P_OP | |
514 | ||
515 | if (op) | |
516 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op); | |
517 | ||
518 | return printed; | |
519 | } | |
520 | ||
521 | #define SCA_FLOCK syscall_arg__scnprintf_flock | |
522 | ||
01533e97 | 523 | static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg) |
f9da0b0c ACM |
524 | { |
525 | enum syscall_futex_args { | |
526 | SCF_UADDR = (1 << 0), | |
527 | SCF_OP = (1 << 1), | |
528 | SCF_VAL = (1 << 2), | |
529 | SCF_TIMEOUT = (1 << 3), | |
530 | SCF_UADDR2 = (1 << 4), | |
531 | SCF_VAL3 = (1 << 5), | |
532 | }; | |
01533e97 | 533 | int op = arg->val; |
f9da0b0c ACM |
534 | int cmd = op & FUTEX_CMD_MASK; |
535 | size_t printed = 0; | |
536 | ||
537 | switch (cmd) { | |
538 | #define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, #n); | |
01533e97 ACM |
539 | P_FUTEX_OP(WAIT); arg->mask |= SCF_VAL3|SCF_UADDR2; break; |
540 | P_FUTEX_OP(WAKE); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
541 | P_FUTEX_OP(FD); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
542 | P_FUTEX_OP(REQUEUE); arg->mask |= SCF_VAL3|SCF_TIMEOUT; break; | |
543 | P_FUTEX_OP(CMP_REQUEUE); arg->mask |= SCF_TIMEOUT; break; | |
544 | P_FUTEX_OP(CMP_REQUEUE_PI); arg->mask |= SCF_TIMEOUT; break; | |
f9da0b0c | 545 | P_FUTEX_OP(WAKE_OP); break; |
01533e97 ACM |
546 | P_FUTEX_OP(LOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; |
547 | P_FUTEX_OP(UNLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
548 | P_FUTEX_OP(TRYLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2; break; | |
549 | P_FUTEX_OP(WAIT_BITSET); arg->mask |= SCF_UADDR2; break; | |
550 | P_FUTEX_OP(WAKE_BITSET); arg->mask |= SCF_UADDR2; break; | |
f9da0b0c ACM |
551 | P_FUTEX_OP(WAIT_REQUEUE_PI); break; |
552 | default: printed = scnprintf(bf, size, "%#x", cmd); break; | |
553 | } | |
554 | ||
555 | if (op & FUTEX_PRIVATE_FLAG) | |
556 | printed += scnprintf(bf + printed, size - printed, "|PRIV"); | |
557 | ||
558 | if (op & FUTEX_CLOCK_REALTIME) | |
559 | printed += scnprintf(bf + printed, size - printed, "|CLKRT"); | |
560 | ||
561 | return printed; | |
562 | } | |
563 | ||
efe6b882 ACM |
564 | #define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op |
565 | ||
03e3adc9 ACM |
566 | static const char *epoll_ctl_ops[] = { "ADD", "DEL", "MOD", }; |
567 | static DEFINE_STRARRAY_OFFSET(epoll_ctl_ops, 1); | |
eac032c5 | 568 | |
1f115cb7 ACM |
569 | static const char *itimers[] = { "REAL", "VIRTUAL", "PROF", }; |
570 | static DEFINE_STRARRAY(itimers); | |
571 | ||
efe6b882 ACM |
572 | static const char *whences[] = { "SET", "CUR", "END", |
573 | #ifdef SEEK_DATA | |
574 | "DATA", | |
575 | #endif | |
576 | #ifdef SEEK_HOLE | |
577 | "HOLE", | |
578 | #endif | |
579 | }; | |
580 | static DEFINE_STRARRAY(whences); | |
f9da0b0c | 581 | |
80f587d5 ACM |
582 | static const char *fcntl_cmds[] = { |
583 | "DUPFD", "GETFD", "SETFD", "GETFL", "SETFL", "GETLK", "SETLK", | |
584 | "SETLKW", "SETOWN", "GETOWN", "SETSIG", "GETSIG", "F_GETLK64", | |
585 | "F_SETLK64", "F_SETLKW64", "F_SETOWN_EX", "F_GETOWN_EX", | |
586 | "F_GETOWNER_UIDS", | |
587 | }; | |
588 | static DEFINE_STRARRAY(fcntl_cmds); | |
589 | ||
c045bf02 ACM |
590 | static const char *rlimit_resources[] = { |
591 | "CPU", "FSIZE", "DATA", "STACK", "CORE", "RSS", "NPROC", "NOFILE", | |
592 | "MEMLOCK", "AS", "LOCKS", "SIGPENDING", "MSGQUEUE", "NICE", "RTPRIO", | |
593 | "RTTIME", | |
594 | }; | |
595 | static DEFINE_STRARRAY(rlimit_resources); | |
596 | ||
eb5b1b14 ACM |
597 | static const char *sighow[] = { "BLOCK", "UNBLOCK", "SETMASK", }; |
598 | static DEFINE_STRARRAY(sighow); | |
599 | ||
4f8c1b74 DA |
600 | static const char *clockid[] = { |
601 | "REALTIME", "MONOTONIC", "PROCESS_CPUTIME_ID", "THREAD_CPUTIME_ID", | |
602 | "MONOTONIC_RAW", "REALTIME_COARSE", "MONOTONIC_COARSE", | |
603 | }; | |
604 | static DEFINE_STRARRAY(clockid); | |
605 | ||
e10bce81 ACM |
606 | static const char *socket_families[] = { |
607 | "UNSPEC", "LOCAL", "INET", "AX25", "IPX", "APPLETALK", "NETROM", | |
608 | "BRIDGE", "ATMPVC", "X25", "INET6", "ROSE", "DECnet", "NETBEUI", | |
609 | "SECURITY", "KEY", "NETLINK", "PACKET", "ASH", "ECONET", "ATMSVC", | |
610 | "RDS", "SNA", "IRDA", "PPPOX", "WANPIPE", "LLC", "IB", "CAN", "TIPC", | |
611 | "BLUETOOTH", "IUCV", "RXRPC", "ISDN", "PHONET", "IEEE802154", "CAIF", | |
612 | "ALG", "NFC", "VSOCK", | |
613 | }; | |
614 | static DEFINE_STRARRAY(socket_families); | |
615 | ||
a28b24b2 ACM |
616 | #ifndef SOCK_TYPE_MASK |
617 | #define SOCK_TYPE_MASK 0xf | |
618 | #endif | |
619 | ||
620 | static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size, | |
621 | struct syscall_arg *arg) | |
622 | { | |
623 | size_t printed; | |
624 | int type = arg->val, | |
625 | flags = type & ~SOCK_TYPE_MASK; | |
626 | ||
627 | type &= SOCK_TYPE_MASK; | |
628 | /* | |
629 | * Can't use a strarray, MIPS may override for ABI reasons. | |
630 | */ | |
631 | switch (type) { | |
632 | #define P_SK_TYPE(n) case SOCK_##n: printed = scnprintf(bf, size, #n); break; | |
633 | P_SK_TYPE(STREAM); | |
634 | P_SK_TYPE(DGRAM); | |
635 | P_SK_TYPE(RAW); | |
636 | P_SK_TYPE(RDM); | |
637 | P_SK_TYPE(SEQPACKET); | |
638 | P_SK_TYPE(DCCP); | |
639 | P_SK_TYPE(PACKET); | |
640 | #undef P_SK_TYPE | |
641 | default: | |
642 | printed = scnprintf(bf, size, "%#x", type); | |
643 | } | |
644 | ||
645 | #define P_SK_FLAG(n) \ | |
646 | if (flags & SOCK_##n) { \ | |
647 | printed += scnprintf(bf + printed, size - printed, "|%s", #n); \ | |
648 | flags &= ~SOCK_##n; \ | |
649 | } | |
650 | ||
651 | P_SK_FLAG(CLOEXEC); | |
652 | P_SK_FLAG(NONBLOCK); | |
653 | #undef P_SK_FLAG | |
654 | ||
655 | if (flags) | |
656 | printed += scnprintf(bf + printed, size - printed, "|%#x", flags); | |
657 | ||
658 | return printed; | |
659 | } | |
660 | ||
661 | #define SCA_SK_TYPE syscall_arg__scnprintf_socket_type | |
662 | ||
b2cc99fd ACM |
663 | #ifndef MSG_PROBE |
664 | #define MSG_PROBE 0x10 | |
665 | #endif | |
b6e8f8f4 DA |
666 | #ifndef MSG_WAITFORONE |
667 | #define MSG_WAITFORONE 0x10000 | |
668 | #endif | |
b2cc99fd ACM |
669 | #ifndef MSG_SENDPAGE_NOTLAST |
670 | #define MSG_SENDPAGE_NOTLAST 0x20000 | |
671 | #endif | |
672 | #ifndef MSG_FASTOPEN | |
673 | #define MSG_FASTOPEN 0x20000000 | |
674 | #endif | |
675 | ||
676 | static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size, | |
677 | struct syscall_arg *arg) | |
678 | { | |
679 | int printed = 0, flags = arg->val; | |
680 | ||
681 | if (flags == 0) | |
682 | return scnprintf(bf, size, "NONE"); | |
683 | #define P_MSG_FLAG(n) \ | |
684 | if (flags & MSG_##n) { \ | |
685 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
686 | flags &= ~MSG_##n; \ | |
687 | } | |
688 | ||
689 | P_MSG_FLAG(OOB); | |
690 | P_MSG_FLAG(PEEK); | |
691 | P_MSG_FLAG(DONTROUTE); | |
692 | P_MSG_FLAG(TRYHARD); | |
693 | P_MSG_FLAG(CTRUNC); | |
694 | P_MSG_FLAG(PROBE); | |
695 | P_MSG_FLAG(TRUNC); | |
696 | P_MSG_FLAG(DONTWAIT); | |
697 | P_MSG_FLAG(EOR); | |
698 | P_MSG_FLAG(WAITALL); | |
699 | P_MSG_FLAG(FIN); | |
700 | P_MSG_FLAG(SYN); | |
701 | P_MSG_FLAG(CONFIRM); | |
702 | P_MSG_FLAG(RST); | |
703 | P_MSG_FLAG(ERRQUEUE); | |
704 | P_MSG_FLAG(NOSIGNAL); | |
705 | P_MSG_FLAG(MORE); | |
706 | P_MSG_FLAG(WAITFORONE); | |
707 | P_MSG_FLAG(SENDPAGE_NOTLAST); | |
708 | P_MSG_FLAG(FASTOPEN); | |
709 | P_MSG_FLAG(CMSG_CLOEXEC); | |
710 | #undef P_MSG_FLAG | |
711 | ||
712 | if (flags) | |
713 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
714 | ||
715 | return printed; | |
716 | } | |
717 | ||
718 | #define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags | |
719 | ||
51108999 ACM |
720 | static size_t syscall_arg__scnprintf_access_mode(char *bf, size_t size, |
721 | struct syscall_arg *arg) | |
722 | { | |
723 | size_t printed = 0; | |
724 | int mode = arg->val; | |
725 | ||
726 | if (mode == F_OK) /* 0 */ | |
727 | return scnprintf(bf, size, "F"); | |
728 | #define P_MODE(n) \ | |
729 | if (mode & n##_OK) { \ | |
730 | printed += scnprintf(bf + printed, size - printed, "%s", #n); \ | |
731 | mode &= ~n##_OK; \ | |
732 | } | |
733 | ||
734 | P_MODE(R); | |
735 | P_MODE(W); | |
736 | P_MODE(X); | |
737 | #undef P_MODE | |
738 | ||
739 | if (mode) | |
740 | printed += scnprintf(bf + printed, size - printed, "|%#x", mode); | |
741 | ||
742 | return printed; | |
743 | } | |
744 | ||
745 | #define SCA_ACCMODE syscall_arg__scnprintf_access_mode | |
746 | ||
be65a89a | 747 | static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, |
01533e97 | 748 | struct syscall_arg *arg) |
be65a89a | 749 | { |
01533e97 | 750 | int printed = 0, flags = arg->val; |
be65a89a ACM |
751 | |
752 | if (!(flags & O_CREAT)) | |
01533e97 | 753 | arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */ |
be65a89a ACM |
754 | |
755 | if (flags == 0) | |
756 | return scnprintf(bf, size, "RDONLY"); | |
757 | #define P_FLAG(n) \ | |
758 | if (flags & O_##n) { \ | |
759 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
760 | flags &= ~O_##n; \ | |
761 | } | |
762 | ||
763 | P_FLAG(APPEND); | |
764 | P_FLAG(ASYNC); | |
765 | P_FLAG(CLOEXEC); | |
766 | P_FLAG(CREAT); | |
767 | P_FLAG(DIRECT); | |
768 | P_FLAG(DIRECTORY); | |
769 | P_FLAG(EXCL); | |
770 | P_FLAG(LARGEFILE); | |
771 | P_FLAG(NOATIME); | |
772 | P_FLAG(NOCTTY); | |
773 | #ifdef O_NONBLOCK | |
774 | P_FLAG(NONBLOCK); | |
775 | #elif O_NDELAY | |
776 | P_FLAG(NDELAY); | |
777 | #endif | |
778 | #ifdef O_PATH | |
779 | P_FLAG(PATH); | |
780 | #endif | |
781 | P_FLAG(RDWR); | |
782 | #ifdef O_DSYNC | |
783 | if ((flags & O_SYNC) == O_SYNC) | |
784 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC"); | |
785 | else { | |
786 | P_FLAG(DSYNC); | |
787 | } | |
788 | #else | |
789 | P_FLAG(SYNC); | |
790 | #endif | |
791 | P_FLAG(TRUNC); | |
792 | P_FLAG(WRONLY); | |
793 | #undef P_FLAG | |
794 | ||
795 | if (flags) | |
796 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
797 | ||
798 | return printed; | |
799 | } | |
800 | ||
801 | #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags | |
802 | ||
a1c2552d ACM |
803 | static size_t syscall_arg__scnprintf_perf_flags(char *bf, size_t size, |
804 | struct syscall_arg *arg) | |
805 | { | |
806 | int printed = 0, flags = arg->val; | |
807 | ||
808 | if (flags == 0) | |
809 | return 0; | |
810 | ||
811 | #define P_FLAG(n) \ | |
812 | if (flags & PERF_FLAG_##n) { \ | |
813 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
814 | flags &= ~PERF_FLAG_##n; \ | |
815 | } | |
816 | ||
817 | P_FLAG(FD_NO_GROUP); | |
818 | P_FLAG(FD_OUTPUT); | |
819 | P_FLAG(PID_CGROUP); | |
820 | P_FLAG(FD_CLOEXEC); | |
821 | #undef P_FLAG | |
822 | ||
823 | if (flags) | |
824 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
825 | ||
826 | return printed; | |
827 | } | |
828 | ||
829 | #define SCA_PERF_FLAGS syscall_arg__scnprintf_perf_flags | |
830 | ||
49af9e93 ACM |
831 | static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, |
832 | struct syscall_arg *arg) | |
833 | { | |
834 | int printed = 0, flags = arg->val; | |
835 | ||
836 | if (flags == 0) | |
837 | return scnprintf(bf, size, "NONE"); | |
838 | #define P_FLAG(n) \ | |
839 | if (flags & EFD_##n) { \ | |
840 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
841 | flags &= ~EFD_##n; \ | |
842 | } | |
843 | ||
844 | P_FLAG(SEMAPHORE); | |
845 | P_FLAG(CLOEXEC); | |
846 | P_FLAG(NONBLOCK); | |
847 | #undef P_FLAG | |
848 | ||
849 | if (flags) | |
850 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
851 | ||
852 | return printed; | |
853 | } | |
854 | ||
855 | #define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags | |
856 | ||
46cce19b ACM |
857 | static size_t syscall_arg__scnprintf_pipe_flags(char *bf, size_t size, |
858 | struct syscall_arg *arg) | |
859 | { | |
860 | int printed = 0, flags = arg->val; | |
861 | ||
862 | #define P_FLAG(n) \ | |
863 | if (flags & O_##n) { \ | |
864 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
865 | flags &= ~O_##n; \ | |
866 | } | |
867 | ||
868 | P_FLAG(CLOEXEC); | |
869 | P_FLAG(NONBLOCK); | |
870 | #undef P_FLAG | |
871 | ||
872 | if (flags) | |
873 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
874 | ||
875 | return printed; | |
876 | } | |
877 | ||
878 | #define SCA_PIPE_FLAGS syscall_arg__scnprintf_pipe_flags | |
879 | ||
8bad5b0a ACM |
880 | static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg) |
881 | { | |
882 | int sig = arg->val; | |
883 | ||
884 | switch (sig) { | |
885 | #define P_SIGNUM(n) case SIG##n: return scnprintf(bf, size, #n) | |
886 | P_SIGNUM(HUP); | |
887 | P_SIGNUM(INT); | |
888 | P_SIGNUM(QUIT); | |
889 | P_SIGNUM(ILL); | |
890 | P_SIGNUM(TRAP); | |
891 | P_SIGNUM(ABRT); | |
892 | P_SIGNUM(BUS); | |
893 | P_SIGNUM(FPE); | |
894 | P_SIGNUM(KILL); | |
895 | P_SIGNUM(USR1); | |
896 | P_SIGNUM(SEGV); | |
897 | P_SIGNUM(USR2); | |
898 | P_SIGNUM(PIPE); | |
899 | P_SIGNUM(ALRM); | |
900 | P_SIGNUM(TERM); | |
8bad5b0a ACM |
901 | P_SIGNUM(CHLD); |
902 | P_SIGNUM(CONT); | |
903 | P_SIGNUM(STOP); | |
904 | P_SIGNUM(TSTP); | |
905 | P_SIGNUM(TTIN); | |
906 | P_SIGNUM(TTOU); | |
907 | P_SIGNUM(URG); | |
908 | P_SIGNUM(XCPU); | |
909 | P_SIGNUM(XFSZ); | |
910 | P_SIGNUM(VTALRM); | |
911 | P_SIGNUM(PROF); | |
912 | P_SIGNUM(WINCH); | |
913 | P_SIGNUM(IO); | |
914 | P_SIGNUM(PWR); | |
915 | P_SIGNUM(SYS); | |
02c5bb4a BH |
916 | #ifdef SIGEMT |
917 | P_SIGNUM(EMT); | |
918 | #endif | |
919 | #ifdef SIGSTKFLT | |
920 | P_SIGNUM(STKFLT); | |
921 | #endif | |
922 | #ifdef SIGSWI | |
923 | P_SIGNUM(SWI); | |
924 | #endif | |
8bad5b0a ACM |
925 | default: break; |
926 | } | |
927 | ||
928 | return scnprintf(bf, size, "%#x", sig); | |
929 | } | |
930 | ||
931 | #define SCA_SIGNUM syscall_arg__scnprintf_signum | |
932 | ||
844ae5b4 ACM |
933 | #if defined(__i386__) || defined(__x86_64__) |
934 | /* | |
935 | * FIXME: Make this available to all arches. | |
936 | */ | |
78645cf3 ACM |
937 | #define TCGETS 0x5401 |
938 | ||
939 | static const char *tioctls[] = { | |
940 | "TCGETS", "TCSETS", "TCSETSW", "TCSETSF", "TCGETA", "TCSETA", "TCSETAW", | |
941 | "TCSETAF", "TCSBRK", "TCXONC", "TCFLSH", "TIOCEXCL", "TIOCNXCL", | |
942 | "TIOCSCTTY", "TIOCGPGRP", "TIOCSPGRP", "TIOCOUTQ", "TIOCSTI", | |
943 | "TIOCGWINSZ", "TIOCSWINSZ", "TIOCMGET", "TIOCMBIS", "TIOCMBIC", | |
944 | "TIOCMSET", "TIOCGSOFTCAR", "TIOCSSOFTCAR", "FIONREAD", "TIOCLINUX", | |
945 | "TIOCCONS", "TIOCGSERIAL", "TIOCSSERIAL", "TIOCPKT", "FIONBIO", | |
946 | "TIOCNOTTY", "TIOCSETD", "TIOCGETD", "TCSBRKP", [0x27] = "TIOCSBRK", | |
947 | "TIOCCBRK", "TIOCGSID", "TCGETS2", "TCSETS2", "TCSETSW2", "TCSETSF2", | |
948 | "TIOCGRS485", "TIOCSRS485", "TIOCGPTN", "TIOCSPTLCK", | |
949 | "TIOCGDEV||TCGETX", "TCSETX", "TCSETXF", "TCSETXW", "TIOCSIG", | |
950 | "TIOCVHANGUP", "TIOCGPKT", "TIOCGPTLCK", "TIOCGEXCL", | |
951 | [0x50] = "FIONCLEX", "FIOCLEX", "FIOASYNC", "TIOCSERCONFIG", | |
952 | "TIOCSERGWILD", "TIOCSERSWILD", "TIOCGLCKTRMIOS", "TIOCSLCKTRMIOS", | |
953 | "TIOCSERGSTRUCT", "TIOCSERGETLSR", "TIOCSERGETMULTI", "TIOCSERSETMULTI", | |
954 | "TIOCMIWAIT", "TIOCGICOUNT", [0x60] = "FIOQSIZE", | |
955 | }; | |
956 | ||
957 | static DEFINE_STRARRAY_OFFSET(tioctls, 0x5401); | |
844ae5b4 | 958 | #endif /* defined(__i386__) || defined(__x86_64__) */ |
78645cf3 | 959 | |
453350dd ACM |
960 | #define STRARRAY(arg, name, array) \ |
961 | .arg_scnprintf = { [arg] = SCA_STRARRAY, }, \ | |
962 | .arg_parm = { [arg] = &strarray__##array, } | |
963 | ||
514f1c67 ACM |
964 | static struct syscall_fmt { |
965 | const char *name; | |
aec1930b | 966 | const char *alias; |
01533e97 | 967 | size_t (*arg_scnprintf[6])(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 968 | void *arg_parm[6]; |
514f1c67 ACM |
969 | bool errmsg; |
970 | bool timeout; | |
04b34729 | 971 | bool hexret; |
514f1c67 | 972 | } syscall_fmts[] = { |
51108999 ACM |
973 | { .name = "access", .errmsg = true, |
974 | .arg_scnprintf = { [1] = SCA_ACCMODE, /* mode */ }, }, | |
aec1930b | 975 | { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, |
beccb2b5 ACM |
976 | { .name = "brk", .hexret = true, |
977 | .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, | |
4f8c1b74 | 978 | { .name = "clock_gettime", .errmsg = true, STRARRAY(0, clk_id, clockid), }, |
75b757ca | 979 | { .name = "close", .errmsg = true, |
48000a1a | 980 | .arg_scnprintf = { [0] = SCA_CLOSE_FD, /* fd */ }, }, |
a14bb860 | 981 | { .name = "connect", .errmsg = true, }, |
75b757ca | 982 | { .name = "dup", .errmsg = true, |
48000a1a | 983 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 984 | { .name = "dup2", .errmsg = true, |
48000a1a | 985 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 986 | { .name = "dup3", .errmsg = true, |
48000a1a | 987 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
453350dd | 988 | { .name = "epoll_ctl", .errmsg = true, STRARRAY(1, op, epoll_ctl_ops), }, |
49af9e93 ACM |
989 | { .name = "eventfd2", .errmsg = true, |
990 | .arg_scnprintf = { [1] = SCA_EFD_FLAGS, /* flags */ }, }, | |
75b757ca ACM |
991 | { .name = "faccessat", .errmsg = true, |
992 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
993 | { .name = "fadvise64", .errmsg = true, | |
48000a1a | 994 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 995 | { .name = "fallocate", .errmsg = true, |
48000a1a | 996 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 997 | { .name = "fchdir", .errmsg = true, |
48000a1a | 998 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 999 | { .name = "fchmod", .errmsg = true, |
48000a1a | 1000 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1001 | { .name = "fchmodat", .errmsg = true, |
48000a1a | 1002 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, |
75b757ca | 1003 | { .name = "fchown", .errmsg = true, |
48000a1a | 1004 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1005 | { .name = "fchownat", .errmsg = true, |
48000a1a | 1006 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, |
75b757ca ACM |
1007 | { .name = "fcntl", .errmsg = true, |
1008 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ | |
1009 | [1] = SCA_STRARRAY, /* cmd */ }, | |
1010 | .arg_parm = { [1] = &strarray__fcntl_cmds, /* cmd */ }, }, | |
1011 | { .name = "fdatasync", .errmsg = true, | |
48000a1a | 1012 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
5cea6ff2 | 1013 | { .name = "flock", .errmsg = true, |
75b757ca ACM |
1014 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ |
1015 | [1] = SCA_FLOCK, /* cmd */ }, }, | |
1016 | { .name = "fsetxattr", .errmsg = true, | |
48000a1a | 1017 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1018 | { .name = "fstat", .errmsg = true, .alias = "newfstat", |
48000a1a | 1019 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1020 | { .name = "fstatat", .errmsg = true, .alias = "newfstatat", |
48000a1a | 1021 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, |
75b757ca | 1022 | { .name = "fstatfs", .errmsg = true, |
48000a1a | 1023 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1024 | { .name = "fsync", .errmsg = true, |
48000a1a | 1025 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1026 | { .name = "ftruncate", .errmsg = true, |
48000a1a | 1027 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
f9da0b0c ACM |
1028 | { .name = "futex", .errmsg = true, |
1029 | .arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, }, | |
75b757ca | 1030 | { .name = "futimesat", .errmsg = true, |
48000a1a | 1031 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, |
75b757ca | 1032 | { .name = "getdents", .errmsg = true, |
48000a1a | 1033 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1034 | { .name = "getdents64", .errmsg = true, |
48000a1a | 1035 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
453350dd ACM |
1036 | { .name = "getitimer", .errmsg = true, STRARRAY(0, which, itimers), }, |
1037 | { .name = "getrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, | |
beccb2b5 | 1038 | { .name = "ioctl", .errmsg = true, |
48000a1a | 1039 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ |
844ae5b4 ACM |
1040 | #if defined(__i386__) || defined(__x86_64__) |
1041 | /* | |
1042 | * FIXME: Make this available to all arches. | |
1043 | */ | |
78645cf3 ACM |
1044 | [1] = SCA_STRHEXARRAY, /* cmd */ |
1045 | [2] = SCA_HEX, /* arg */ }, | |
1046 | .arg_parm = { [1] = &strarray__tioctls, /* cmd */ }, }, | |
844ae5b4 ACM |
1047 | #else |
1048 | [2] = SCA_HEX, /* arg */ }, }, | |
1049 | #endif | |
8bad5b0a ACM |
1050 | { .name = "kill", .errmsg = true, |
1051 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
75b757ca | 1052 | { .name = "linkat", .errmsg = true, |
48000a1a | 1053 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, |
75b757ca ACM |
1054 | { .name = "lseek", .errmsg = true, |
1055 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ | |
1056 | [2] = SCA_STRARRAY, /* whence */ }, | |
1057 | .arg_parm = { [2] = &strarray__whences, /* whence */ }, }, | |
e5959683 | 1058 | { .name = "lstat", .errmsg = true, .alias = "newlstat", }, |
9e9716d1 ACM |
1059 | { .name = "madvise", .errmsg = true, |
1060 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ | |
1061 | [2] = SCA_MADV_BHV, /* behavior */ }, }, | |
75b757ca | 1062 | { .name = "mkdirat", .errmsg = true, |
48000a1a | 1063 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, |
75b757ca | 1064 | { .name = "mknodat", .errmsg = true, |
48000a1a | 1065 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, |
3d903aa7 ACM |
1066 | { .name = "mlock", .errmsg = true, |
1067 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
1068 | { .name = "mlockall", .errmsg = true, | |
1069 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
beccb2b5 | 1070 | { .name = "mmap", .hexret = true, |
ae685380 | 1071 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ |
941557e0 | 1072 | [2] = SCA_MMAP_PROT, /* prot */ |
73faab3a NK |
1073 | [3] = SCA_MMAP_FLAGS, /* flags */ |
1074 | [4] = SCA_FD, /* fd */ }, }, | |
beccb2b5 | 1075 | { .name = "mprotect", .errmsg = true, |
ae685380 ACM |
1076 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ |
1077 | [2] = SCA_MMAP_PROT, /* prot */ }, }, | |
1078 | { .name = "mremap", .hexret = true, | |
1079 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ | |
86998dda | 1080 | [3] = SCA_MREMAP_FLAGS, /* flags */ |
ae685380 | 1081 | [4] = SCA_HEX, /* new_addr */ }, }, |
3d903aa7 ACM |
1082 | { .name = "munlock", .errmsg = true, |
1083 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
beccb2b5 ACM |
1084 | { .name = "munmap", .errmsg = true, |
1085 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
75b757ca | 1086 | { .name = "name_to_handle_at", .errmsg = true, |
48000a1a | 1087 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, |
75b757ca | 1088 | { .name = "newfstatat", .errmsg = true, |
48000a1a | 1089 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, |
be65a89a ACM |
1090 | { .name = "open", .errmsg = true, |
1091 | .arg_scnprintf = { [1] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
31cd3855 | 1092 | { .name = "open_by_handle_at", .errmsg = true, |
75b757ca ACM |
1093 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ |
1094 | [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
31cd3855 | 1095 | { .name = "openat", .errmsg = true, |
75b757ca ACM |
1096 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ |
1097 | [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
a1c2552d ACM |
1098 | { .name = "perf_event_open", .errmsg = true, |
1099 | .arg_scnprintf = { [1] = SCA_INT, /* pid */ | |
1100 | [2] = SCA_INT, /* cpu */ | |
1101 | [3] = SCA_FD, /* group_fd */ | |
1102 | [4] = SCA_PERF_FLAGS, /* flags */ }, }, | |
46cce19b ACM |
1103 | { .name = "pipe2", .errmsg = true, |
1104 | .arg_scnprintf = { [1] = SCA_PIPE_FLAGS, /* flags */ }, }, | |
aec1930b ACM |
1105 | { .name = "poll", .errmsg = true, .timeout = true, }, |
1106 | { .name = "ppoll", .errmsg = true, .timeout = true, }, | |
75b757ca | 1107 | { .name = "pread", .errmsg = true, .alias = "pread64", |
48000a1a | 1108 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1109 | { .name = "preadv", .errmsg = true, .alias = "pread", |
48000a1a | 1110 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
453350dd | 1111 | { .name = "prlimit64", .errmsg = true, STRARRAY(1, resource, rlimit_resources), }, |
75b757ca | 1112 | { .name = "pwrite", .errmsg = true, .alias = "pwrite64", |
48000a1a | 1113 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1114 | { .name = "pwritev", .errmsg = true, |
48000a1a | 1115 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1116 | { .name = "read", .errmsg = true, |
48000a1a | 1117 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1118 | { .name = "readlinkat", .errmsg = true, |
48000a1a | 1119 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, |
75b757ca | 1120 | { .name = "readv", .errmsg = true, |
48000a1a | 1121 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
b2cc99fd ACM |
1122 | { .name = "recvfrom", .errmsg = true, |
1123 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
1124 | { .name = "recvmmsg", .errmsg = true, | |
1125 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
1126 | { .name = "recvmsg", .errmsg = true, | |
1127 | .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, | |
75b757ca | 1128 | { .name = "renameat", .errmsg = true, |
48000a1a | 1129 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, |
8bad5b0a ACM |
1130 | { .name = "rt_sigaction", .errmsg = true, |
1131 | .arg_scnprintf = { [0] = SCA_SIGNUM, /* sig */ }, }, | |
453350dd | 1132 | { .name = "rt_sigprocmask", .errmsg = true, STRARRAY(0, how, sighow), }, |
8bad5b0a ACM |
1133 | { .name = "rt_sigqueueinfo", .errmsg = true, |
1134 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
1135 | { .name = "rt_tgsigqueueinfo", .errmsg = true, | |
1136 | .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, | |
aec1930b | 1137 | { .name = "select", .errmsg = true, .timeout = true, }, |
b2cc99fd ACM |
1138 | { .name = "sendmmsg", .errmsg = true, |
1139 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
1140 | { .name = "sendmsg", .errmsg = true, | |
1141 | .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, | |
1142 | { .name = "sendto", .errmsg = true, | |
1143 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
453350dd ACM |
1144 | { .name = "setitimer", .errmsg = true, STRARRAY(0, which, itimers), }, |
1145 | { .name = "setrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, | |
75b757ca | 1146 | { .name = "shutdown", .errmsg = true, |
48000a1a | 1147 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
e10bce81 | 1148 | { .name = "socket", .errmsg = true, |
a28b24b2 ACM |
1149 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ |
1150 | [1] = SCA_SK_TYPE, /* type */ }, | |
07120aa5 ACM |
1151 | .arg_parm = { [0] = &strarray__socket_families, /* family */ }, }, |
1152 | { .name = "socketpair", .errmsg = true, | |
1153 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ | |
1154 | [1] = SCA_SK_TYPE, /* type */ }, | |
e10bce81 | 1155 | .arg_parm = { [0] = &strarray__socket_families, /* family */ }, }, |
aec1930b | 1156 | { .name = "stat", .errmsg = true, .alias = "newstat", }, |
75b757ca | 1157 | { .name = "symlinkat", .errmsg = true, |
48000a1a | 1158 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, |
8bad5b0a ACM |
1159 | { .name = "tgkill", .errmsg = true, |
1160 | .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, | |
1161 | { .name = "tkill", .errmsg = true, | |
1162 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
e5959683 | 1163 | { .name = "uname", .errmsg = true, .alias = "newuname", }, |
75b757ca ACM |
1164 | { .name = "unlinkat", .errmsg = true, |
1165 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
1166 | { .name = "utimensat", .errmsg = true, | |
1167 | .arg_scnprintf = { [0] = SCA_FDAT, /* dirfd */ }, }, | |
1168 | { .name = "write", .errmsg = true, | |
48000a1a | 1169 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1170 | { .name = "writev", .errmsg = true, |
48000a1a | 1171 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
514f1c67 ACM |
1172 | }; |
1173 | ||
1174 | static int syscall_fmt__cmp(const void *name, const void *fmtp) | |
1175 | { | |
1176 | const struct syscall_fmt *fmt = fmtp; | |
1177 | return strcmp(name, fmt->name); | |
1178 | } | |
1179 | ||
1180 | static struct syscall_fmt *syscall_fmt__find(const char *name) | |
1181 | { | |
1182 | const int nmemb = ARRAY_SIZE(syscall_fmts); | |
1183 | return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp); | |
1184 | } | |
1185 | ||
1186 | struct syscall { | |
1187 | struct event_format *tp_format; | |
f208bd8d ACM |
1188 | int nr_args; |
1189 | struct format_field *args; | |
514f1c67 | 1190 | const char *name; |
5089f20e | 1191 | bool is_exit; |
514f1c67 | 1192 | struct syscall_fmt *fmt; |
01533e97 | 1193 | size_t (**arg_scnprintf)(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 1194 | void **arg_parm; |
514f1c67 ACM |
1195 | }; |
1196 | ||
60c907ab ACM |
1197 | static size_t fprintf_duration(unsigned long t, FILE *fp) |
1198 | { | |
1199 | double duration = (double)t / NSEC_PER_MSEC; | |
1200 | size_t printed = fprintf(fp, "("); | |
1201 | ||
1202 | if (duration >= 1.0) | |
1203 | printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration); | |
1204 | else if (duration >= 0.01) | |
1205 | printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration); | |
1206 | else | |
1207 | printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration); | |
c24ff998 | 1208 | return printed + fprintf(fp, "): "); |
60c907ab ACM |
1209 | } |
1210 | ||
752fde44 ACM |
1211 | struct thread_trace { |
1212 | u64 entry_time; | |
1213 | u64 exit_time; | |
1214 | bool entry_pending; | |
efd5745e | 1215 | unsigned long nr_events; |
a2ea67d7 | 1216 | unsigned long pfmaj, pfmin; |
752fde44 | 1217 | char *entry_str; |
1302d88e | 1218 | double runtime_ms; |
75b757ca ACM |
1219 | struct { |
1220 | int max; | |
1221 | char **table; | |
1222 | } paths; | |
bf2575c1 DA |
1223 | |
1224 | struct intlist *syscall_stats; | |
752fde44 ACM |
1225 | }; |
1226 | ||
1227 | static struct thread_trace *thread_trace__new(void) | |
1228 | { | |
75b757ca ACM |
1229 | struct thread_trace *ttrace = zalloc(sizeof(struct thread_trace)); |
1230 | ||
1231 | if (ttrace) | |
1232 | ttrace->paths.max = -1; | |
1233 | ||
bf2575c1 DA |
1234 | ttrace->syscall_stats = intlist__new(NULL); |
1235 | ||
75b757ca | 1236 | return ttrace; |
752fde44 ACM |
1237 | } |
1238 | ||
c24ff998 | 1239 | static struct thread_trace *thread__trace(struct thread *thread, FILE *fp) |
752fde44 | 1240 | { |
efd5745e ACM |
1241 | struct thread_trace *ttrace; |
1242 | ||
752fde44 ACM |
1243 | if (thread == NULL) |
1244 | goto fail; | |
1245 | ||
89dceb22 NK |
1246 | if (thread__priv(thread) == NULL) |
1247 | thread__set_priv(thread, thread_trace__new()); | |
48000a1a | 1248 | |
89dceb22 | 1249 | if (thread__priv(thread) == NULL) |
752fde44 ACM |
1250 | goto fail; |
1251 | ||
89dceb22 | 1252 | ttrace = thread__priv(thread); |
efd5745e ACM |
1253 | ++ttrace->nr_events; |
1254 | ||
1255 | return ttrace; | |
752fde44 | 1256 | fail: |
c24ff998 | 1257 | color_fprintf(fp, PERF_COLOR_RED, |
752fde44 ACM |
1258 | "WARNING: not enough memory, dropping samples!\n"); |
1259 | return NULL; | |
1260 | } | |
1261 | ||
598d02c5 SF |
1262 | #define TRACE_PFMAJ (1 << 0) |
1263 | #define TRACE_PFMIN (1 << 1) | |
1264 | ||
e4d44e83 ACM |
1265 | static const size_t trace__entry_str_size = 2048; |
1266 | ||
514f1c67 | 1267 | struct trace { |
c24ff998 | 1268 | struct perf_tool tool; |
c522739d ACM |
1269 | struct { |
1270 | int machine; | |
1271 | int open_id; | |
1272 | } audit; | |
514f1c67 ACM |
1273 | struct { |
1274 | int max; | |
1275 | struct syscall *table; | |
c27366f0 | 1276 | struct { |
8b3ce757 ACM |
1277 | struct perf_evsel *sys_enter, |
1278 | *sys_exit; | |
c27366f0 | 1279 | } events; |
514f1c67 | 1280 | } syscalls; |
b4006796 | 1281 | struct record_opts opts; |
14a052df | 1282 | struct perf_evlist *evlist; |
8fb598e5 | 1283 | struct machine *host; |
e596663e | 1284 | struct thread *current; |
752fde44 | 1285 | u64 base_time; |
c24ff998 | 1286 | FILE *output; |
efd5745e | 1287 | unsigned long nr_events; |
b059efdf | 1288 | struct strlist *ev_qualifier; |
8b3ce757 ACM |
1289 | struct { |
1290 | size_t nr; | |
1291 | int *entries; | |
1292 | } ev_qualifier_ids; | |
c522739d | 1293 | const char *last_vfs_getname; |
bdc89661 DA |
1294 | struct intlist *tid_list; |
1295 | struct intlist *pid_list; | |
f078c385 ACM |
1296 | struct { |
1297 | size_t nr; | |
1298 | pid_t *entries; | |
1299 | } filter_pids; | |
98eafce6 ACM |
1300 | double duration_filter; |
1301 | double runtime_ms; | |
1302 | struct { | |
1303 | u64 vfs_getname, | |
1304 | proc_getname; | |
1305 | } stats; | |
1306 | bool not_ev_qualifier; | |
1307 | bool live; | |
1308 | bool full_time; | |
1302d88e | 1309 | bool sched; |
752fde44 | 1310 | bool multiple_threads; |
bf2575c1 | 1311 | bool summary; |
fd2eabaf | 1312 | bool summary_only; |
50c95cbd | 1313 | bool show_comm; |
c522739d | 1314 | bool show_tool_stats; |
e281a960 | 1315 | bool trace_syscalls; |
e366a6d8 | 1316 | bool force; |
08c98776 | 1317 | bool vfs_getname; |
598d02c5 | 1318 | int trace_pgfaults; |
514f1c67 ACM |
1319 | }; |
1320 | ||
97119f37 | 1321 | static int trace__set_fd_pathname(struct thread *thread, int fd, const char *pathname) |
75b757ca | 1322 | { |
89dceb22 | 1323 | struct thread_trace *ttrace = thread__priv(thread); |
75b757ca ACM |
1324 | |
1325 | if (fd > ttrace->paths.max) { | |
1326 | char **npath = realloc(ttrace->paths.table, (fd + 1) * sizeof(char *)); | |
1327 | ||
1328 | if (npath == NULL) | |
1329 | return -1; | |
1330 | ||
1331 | if (ttrace->paths.max != -1) { | |
1332 | memset(npath + ttrace->paths.max + 1, 0, | |
1333 | (fd - ttrace->paths.max) * sizeof(char *)); | |
1334 | } else { | |
1335 | memset(npath, 0, (fd + 1) * sizeof(char *)); | |
1336 | } | |
1337 | ||
1338 | ttrace->paths.table = npath; | |
1339 | ttrace->paths.max = fd; | |
1340 | } | |
1341 | ||
1342 | ttrace->paths.table[fd] = strdup(pathname); | |
1343 | ||
1344 | return ttrace->paths.table[fd] != NULL ? 0 : -1; | |
1345 | } | |
1346 | ||
97119f37 ACM |
1347 | static int thread__read_fd_path(struct thread *thread, int fd) |
1348 | { | |
1349 | char linkname[PATH_MAX], pathname[PATH_MAX]; | |
1350 | struct stat st; | |
1351 | int ret; | |
1352 | ||
1353 | if (thread->pid_ == thread->tid) { | |
1354 | scnprintf(linkname, sizeof(linkname), | |
1355 | "/proc/%d/fd/%d", thread->pid_, fd); | |
1356 | } else { | |
1357 | scnprintf(linkname, sizeof(linkname), | |
1358 | "/proc/%d/task/%d/fd/%d", thread->pid_, thread->tid, fd); | |
1359 | } | |
1360 | ||
1361 | if (lstat(linkname, &st) < 0 || st.st_size + 1 > (off_t)sizeof(pathname)) | |
1362 | return -1; | |
1363 | ||
1364 | ret = readlink(linkname, pathname, sizeof(pathname)); | |
1365 | ||
1366 | if (ret < 0 || ret > st.st_size) | |
1367 | return -1; | |
1368 | ||
1369 | pathname[ret] = '\0'; | |
1370 | return trace__set_fd_pathname(thread, fd, pathname); | |
1371 | } | |
1372 | ||
c522739d ACM |
1373 | static const char *thread__fd_path(struct thread *thread, int fd, |
1374 | struct trace *trace) | |
75b757ca | 1375 | { |
89dceb22 | 1376 | struct thread_trace *ttrace = thread__priv(thread); |
75b757ca ACM |
1377 | |
1378 | if (ttrace == NULL) | |
1379 | return NULL; | |
1380 | ||
1381 | if (fd < 0) | |
1382 | return NULL; | |
1383 | ||
cdcd1e6b | 1384 | if ((fd > ttrace->paths.max || ttrace->paths.table[fd] == NULL)) { |
c522739d ACM |
1385 | if (!trace->live) |
1386 | return NULL; | |
1387 | ++trace->stats.proc_getname; | |
cdcd1e6b | 1388 | if (thread__read_fd_path(thread, fd)) |
c522739d ACM |
1389 | return NULL; |
1390 | } | |
75b757ca ACM |
1391 | |
1392 | return ttrace->paths.table[fd]; | |
1393 | } | |
1394 | ||
1395 | static size_t syscall_arg__scnprintf_fd(char *bf, size_t size, | |
1396 | struct syscall_arg *arg) | |
1397 | { | |
1398 | int fd = arg->val; | |
1399 | size_t printed = scnprintf(bf, size, "%d", fd); | |
c522739d | 1400 | const char *path = thread__fd_path(arg->thread, fd, arg->trace); |
75b757ca ACM |
1401 | |
1402 | if (path) | |
1403 | printed += scnprintf(bf + printed, size - printed, "<%s>", path); | |
1404 | ||
1405 | return printed; | |
1406 | } | |
1407 | ||
1408 | static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size, | |
1409 | struct syscall_arg *arg) | |
1410 | { | |
1411 | int fd = arg->val; | |
1412 | size_t printed = syscall_arg__scnprintf_fd(bf, size, arg); | |
89dceb22 | 1413 | struct thread_trace *ttrace = thread__priv(arg->thread); |
75b757ca | 1414 | |
04662523 ACM |
1415 | if (ttrace && fd >= 0 && fd <= ttrace->paths.max) |
1416 | zfree(&ttrace->paths.table[fd]); | |
75b757ca ACM |
1417 | |
1418 | return printed; | |
1419 | } | |
1420 | ||
ae9ed035 ACM |
1421 | static bool trace__filter_duration(struct trace *trace, double t) |
1422 | { | |
1423 | return t < (trace->duration_filter * NSEC_PER_MSEC); | |
1424 | } | |
1425 | ||
752fde44 ACM |
1426 | static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp) |
1427 | { | |
1428 | double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC; | |
1429 | ||
60c907ab | 1430 | return fprintf(fp, "%10.3f ", ts); |
752fde44 ACM |
1431 | } |
1432 | ||
f15eb531 | 1433 | static bool done = false; |
ba209f85 | 1434 | static bool interrupted = false; |
f15eb531 | 1435 | |
ba209f85 | 1436 | static void sig_handler(int sig) |
f15eb531 NK |
1437 | { |
1438 | done = true; | |
ba209f85 | 1439 | interrupted = sig == SIGINT; |
f15eb531 NK |
1440 | } |
1441 | ||
752fde44 | 1442 | static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, |
60c907ab | 1443 | u64 duration, u64 tstamp, FILE *fp) |
752fde44 ACM |
1444 | { |
1445 | size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); | |
60c907ab | 1446 | printed += fprintf_duration(duration, fp); |
752fde44 | 1447 | |
50c95cbd ACM |
1448 | if (trace->multiple_threads) { |
1449 | if (trace->show_comm) | |
1902efe7 | 1450 | printed += fprintf(fp, "%.14s/", thread__comm_str(thread)); |
38051234 | 1451 | printed += fprintf(fp, "%d ", thread->tid); |
50c95cbd | 1452 | } |
752fde44 ACM |
1453 | |
1454 | return printed; | |
1455 | } | |
1456 | ||
c24ff998 | 1457 | static int trace__process_event(struct trace *trace, struct machine *machine, |
162f0bef | 1458 | union perf_event *event, struct perf_sample *sample) |
752fde44 ACM |
1459 | { |
1460 | int ret = 0; | |
1461 | ||
1462 | switch (event->header.type) { | |
1463 | case PERF_RECORD_LOST: | |
c24ff998 | 1464 | color_fprintf(trace->output, PERF_COLOR_RED, |
752fde44 | 1465 | "LOST %" PRIu64 " events!\n", event->lost.lost); |
162f0bef | 1466 | ret = machine__process_lost_event(machine, event, sample); |
752fde44 | 1467 | default: |
162f0bef | 1468 | ret = machine__process_event(machine, event, sample); |
752fde44 ACM |
1469 | break; |
1470 | } | |
1471 | ||
1472 | return ret; | |
1473 | } | |
1474 | ||
c24ff998 | 1475 | static int trace__tool_process(struct perf_tool *tool, |
752fde44 | 1476 | union perf_event *event, |
162f0bef | 1477 | struct perf_sample *sample, |
752fde44 ACM |
1478 | struct machine *machine) |
1479 | { | |
c24ff998 | 1480 | struct trace *trace = container_of(tool, struct trace, tool); |
162f0bef | 1481 | return trace__process_event(trace, machine, event, sample); |
752fde44 ACM |
1482 | } |
1483 | ||
1484 | static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist) | |
1485 | { | |
0a7e6d1b | 1486 | int err = symbol__init(NULL); |
752fde44 ACM |
1487 | |
1488 | if (err) | |
1489 | return err; | |
1490 | ||
8fb598e5 DA |
1491 | trace->host = machine__new_host(); |
1492 | if (trace->host == NULL) | |
1493 | return -ENOMEM; | |
752fde44 | 1494 | |
959c2199 | 1495 | if (trace_event__register_resolver(trace->host, machine__resolve_kernel_addr) < 0) |
706c3da4 ACM |
1496 | return -errno; |
1497 | ||
a33fbd56 | 1498 | err = __machine__synthesize_threads(trace->host, &trace->tool, &trace->opts.target, |
9d9cad76 KL |
1499 | evlist->threads, trace__tool_process, false, |
1500 | trace->opts.proc_map_timeout); | |
752fde44 ACM |
1501 | if (err) |
1502 | symbol__exit(); | |
1503 | ||
1504 | return err; | |
1505 | } | |
1506 | ||
13d4ff3e ACM |
1507 | static int syscall__set_arg_fmts(struct syscall *sc) |
1508 | { | |
1509 | struct format_field *field; | |
1510 | int idx = 0; | |
1511 | ||
f208bd8d | 1512 | sc->arg_scnprintf = calloc(sc->nr_args, sizeof(void *)); |
13d4ff3e ACM |
1513 | if (sc->arg_scnprintf == NULL) |
1514 | return -1; | |
1515 | ||
1f115cb7 ACM |
1516 | if (sc->fmt) |
1517 | sc->arg_parm = sc->fmt->arg_parm; | |
1518 | ||
f208bd8d | 1519 | for (field = sc->args; field; field = field->next) { |
beccb2b5 ACM |
1520 | if (sc->fmt && sc->fmt->arg_scnprintf[idx]) |
1521 | sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx]; | |
1522 | else if (field->flags & FIELD_IS_POINTER) | |
13d4ff3e ACM |
1523 | sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex; |
1524 | ++idx; | |
1525 | } | |
1526 | ||
1527 | return 0; | |
1528 | } | |
1529 | ||
514f1c67 ACM |
1530 | static int trace__read_syscall_info(struct trace *trace, int id) |
1531 | { | |
1532 | char tp_name[128]; | |
1533 | struct syscall *sc; | |
c522739d | 1534 | const char *name = audit_syscall_to_name(id, trace->audit.machine); |
3a531260 ACM |
1535 | |
1536 | if (name == NULL) | |
1537 | return -1; | |
514f1c67 ACM |
1538 | |
1539 | if (id > trace->syscalls.max) { | |
1540 | struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc)); | |
1541 | ||
1542 | if (nsyscalls == NULL) | |
1543 | return -1; | |
1544 | ||
1545 | if (trace->syscalls.max != -1) { | |
1546 | memset(nsyscalls + trace->syscalls.max + 1, 0, | |
1547 | (id - trace->syscalls.max) * sizeof(*sc)); | |
1548 | } else { | |
1549 | memset(nsyscalls, 0, (id + 1) * sizeof(*sc)); | |
1550 | } | |
1551 | ||
1552 | trace->syscalls.table = nsyscalls; | |
1553 | trace->syscalls.max = id; | |
1554 | } | |
1555 | ||
1556 | sc = trace->syscalls.table + id; | |
3a531260 | 1557 | sc->name = name; |
2ae3a312 | 1558 | |
3a531260 | 1559 | sc->fmt = syscall_fmt__find(sc->name); |
514f1c67 | 1560 | |
aec1930b | 1561 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); |
97978b3e | 1562 | sc->tp_format = trace_event__tp_format("syscalls", tp_name); |
aec1930b ACM |
1563 | |
1564 | if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) { | |
1565 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias); | |
97978b3e | 1566 | sc->tp_format = trace_event__tp_format("syscalls", tp_name); |
aec1930b | 1567 | } |
514f1c67 | 1568 | |
13d4ff3e ACM |
1569 | if (sc->tp_format == NULL) |
1570 | return -1; | |
1571 | ||
f208bd8d ACM |
1572 | sc->args = sc->tp_format->format.fields; |
1573 | sc->nr_args = sc->tp_format->format.nr_fields; | |
1574 | /* drop nr field - not relevant here; does not exist on older kernels */ | |
1575 | if (sc->args && strcmp(sc->args->name, "nr") == 0) { | |
1576 | sc->args = sc->args->next; | |
1577 | --sc->nr_args; | |
1578 | } | |
1579 | ||
5089f20e ACM |
1580 | sc->is_exit = !strcmp(name, "exit_group") || !strcmp(name, "exit"); |
1581 | ||
13d4ff3e | 1582 | return syscall__set_arg_fmts(sc); |
514f1c67 ACM |
1583 | } |
1584 | ||
d0cc439b ACM |
1585 | static int trace__validate_ev_qualifier(struct trace *trace) |
1586 | { | |
8b3ce757 | 1587 | int err = 0, i; |
d0cc439b ACM |
1588 | struct str_node *pos; |
1589 | ||
8b3ce757 ACM |
1590 | trace->ev_qualifier_ids.nr = strlist__nr_entries(trace->ev_qualifier); |
1591 | trace->ev_qualifier_ids.entries = malloc(trace->ev_qualifier_ids.nr * | |
1592 | sizeof(trace->ev_qualifier_ids.entries[0])); | |
1593 | ||
1594 | if (trace->ev_qualifier_ids.entries == NULL) { | |
1595 | fputs("Error:\tNot enough memory for allocating events qualifier ids\n", | |
1596 | trace->output); | |
1597 | err = -EINVAL; | |
1598 | goto out; | |
1599 | } | |
1600 | ||
1601 | i = 0; | |
1602 | ||
d0cc439b ACM |
1603 | strlist__for_each(pos, trace->ev_qualifier) { |
1604 | const char *sc = pos->s; | |
8b3ce757 | 1605 | int id = audit_name_to_syscall(sc, trace->audit.machine); |
d0cc439b | 1606 | |
8b3ce757 | 1607 | if (id < 0) { |
d0cc439b ACM |
1608 | if (err == 0) { |
1609 | fputs("Error:\tInvalid syscall ", trace->output); | |
1610 | err = -EINVAL; | |
1611 | } else { | |
1612 | fputs(", ", trace->output); | |
1613 | } | |
1614 | ||
1615 | fputs(sc, trace->output); | |
1616 | } | |
8b3ce757 ACM |
1617 | |
1618 | trace->ev_qualifier_ids.entries[i++] = id; | |
d0cc439b ACM |
1619 | } |
1620 | ||
1621 | if (err < 0) { | |
1622 | fputs("\nHint:\ttry 'perf list syscalls:sys_enter_*'" | |
1623 | "\nHint:\tand: 'man syscalls'\n", trace->output); | |
8b3ce757 ACM |
1624 | zfree(&trace->ev_qualifier_ids.entries); |
1625 | trace->ev_qualifier_ids.nr = 0; | |
d0cc439b | 1626 | } |
8b3ce757 | 1627 | out: |
d0cc439b ACM |
1628 | return err; |
1629 | } | |
1630 | ||
55d43bca DA |
1631 | /* |
1632 | * args is to be interpreted as a series of longs but we need to handle | |
1633 | * 8-byte unaligned accesses. args points to raw_data within the event | |
1634 | * and raw_data is guaranteed to be 8-byte unaligned because it is | |
1635 | * preceded by raw_size which is a u32. So we need to copy args to a temp | |
1636 | * variable to read it. Most notably this avoids extended load instructions | |
1637 | * on unaligned addresses | |
1638 | */ | |
1639 | ||
752fde44 | 1640 | static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, |
55d43bca | 1641 | unsigned char *args, struct trace *trace, |
75b757ca | 1642 | struct thread *thread) |
514f1c67 | 1643 | { |
514f1c67 | 1644 | size_t printed = 0; |
55d43bca DA |
1645 | unsigned char *p; |
1646 | unsigned long val; | |
514f1c67 | 1647 | |
f208bd8d | 1648 | if (sc->args != NULL) { |
514f1c67 | 1649 | struct format_field *field; |
01533e97 ACM |
1650 | u8 bit = 1; |
1651 | struct syscall_arg arg = { | |
75b757ca ACM |
1652 | .idx = 0, |
1653 | .mask = 0, | |
1654 | .trace = trace, | |
1655 | .thread = thread, | |
01533e97 | 1656 | }; |
6e7eeb51 | 1657 | |
f208bd8d | 1658 | for (field = sc->args; field; |
01533e97 ACM |
1659 | field = field->next, ++arg.idx, bit <<= 1) { |
1660 | if (arg.mask & bit) | |
6e7eeb51 | 1661 | continue; |
55d43bca DA |
1662 | |
1663 | /* special care for unaligned accesses */ | |
1664 | p = args + sizeof(unsigned long) * arg.idx; | |
1665 | memcpy(&val, p, sizeof(val)); | |
1666 | ||
4aa58232 ACM |
1667 | /* |
1668 | * Suppress this argument if its value is zero and | |
1669 | * and we don't have a string associated in an | |
1670 | * strarray for it. | |
1671 | */ | |
55d43bca | 1672 | if (val == 0 && |
4aa58232 ACM |
1673 | !(sc->arg_scnprintf && |
1674 | sc->arg_scnprintf[arg.idx] == SCA_STRARRAY && | |
1675 | sc->arg_parm[arg.idx])) | |
22ae5cf1 ACM |
1676 | continue; |
1677 | ||
752fde44 | 1678 | printed += scnprintf(bf + printed, size - printed, |
13d4ff3e | 1679 | "%s%s: ", printed ? ", " : "", field->name); |
01533e97 | 1680 | if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) { |
55d43bca | 1681 | arg.val = val; |
1f115cb7 ACM |
1682 | if (sc->arg_parm) |
1683 | arg.parm = sc->arg_parm[arg.idx]; | |
01533e97 ACM |
1684 | printed += sc->arg_scnprintf[arg.idx](bf + printed, |
1685 | size - printed, &arg); | |
6e7eeb51 | 1686 | } else { |
13d4ff3e | 1687 | printed += scnprintf(bf + printed, size - printed, |
55d43bca | 1688 | "%ld", val); |
6e7eeb51 | 1689 | } |
514f1c67 ACM |
1690 | } |
1691 | } else { | |
01533e97 ACM |
1692 | int i = 0; |
1693 | ||
514f1c67 | 1694 | while (i < 6) { |
55d43bca DA |
1695 | /* special care for unaligned accesses */ |
1696 | p = args + sizeof(unsigned long) * i; | |
1697 | memcpy(&val, p, sizeof(val)); | |
752fde44 ACM |
1698 | printed += scnprintf(bf + printed, size - printed, |
1699 | "%sarg%d: %ld", | |
55d43bca | 1700 | printed ? ", " : "", i, val); |
514f1c67 ACM |
1701 | ++i; |
1702 | } | |
1703 | } | |
1704 | ||
1705 | return printed; | |
1706 | } | |
1707 | ||
ba3d7dee | 1708 | typedef int (*tracepoint_handler)(struct trace *trace, struct perf_evsel *evsel, |
0c82adcf | 1709 | union perf_event *event, |
ba3d7dee ACM |
1710 | struct perf_sample *sample); |
1711 | ||
1712 | static struct syscall *trace__syscall_info(struct trace *trace, | |
bf2575c1 | 1713 | struct perf_evsel *evsel, int id) |
ba3d7dee | 1714 | { |
ba3d7dee ACM |
1715 | |
1716 | if (id < 0) { | |
adaa18bf ACM |
1717 | |
1718 | /* | |
1719 | * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried | |
1720 | * before that, leaving at a higher verbosity level till that is | |
1721 | * explained. Reproduced with plain ftrace with: | |
1722 | * | |
1723 | * echo 1 > /t/events/raw_syscalls/sys_exit/enable | |
1724 | * grep "NR -1 " /t/trace_pipe | |
1725 | * | |
1726 | * After generating some load on the machine. | |
1727 | */ | |
1728 | if (verbose > 1) { | |
1729 | static u64 n; | |
1730 | fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n", | |
1731 | id, perf_evsel__name(evsel), ++n); | |
1732 | } | |
ba3d7dee ACM |
1733 | return NULL; |
1734 | } | |
1735 | ||
1736 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) && | |
1737 | trace__read_syscall_info(trace, id)) | |
1738 | goto out_cant_read; | |
1739 | ||
1740 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL)) | |
1741 | goto out_cant_read; | |
1742 | ||
1743 | return &trace->syscalls.table[id]; | |
1744 | ||
1745 | out_cant_read: | |
7c304ee0 ACM |
1746 | if (verbose) { |
1747 | fprintf(trace->output, "Problems reading syscall %d", id); | |
1748 | if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) | |
1749 | fprintf(trace->output, "(%s)", trace->syscalls.table[id].name); | |
1750 | fputs(" information\n", trace->output); | |
1751 | } | |
ba3d7dee ACM |
1752 | return NULL; |
1753 | } | |
1754 | ||
bf2575c1 DA |
1755 | static void thread__update_stats(struct thread_trace *ttrace, |
1756 | int id, struct perf_sample *sample) | |
1757 | { | |
1758 | struct int_node *inode; | |
1759 | struct stats *stats; | |
1760 | u64 duration = 0; | |
1761 | ||
1762 | inode = intlist__findnew(ttrace->syscall_stats, id); | |
1763 | if (inode == NULL) | |
1764 | return; | |
1765 | ||
1766 | stats = inode->priv; | |
1767 | if (stats == NULL) { | |
1768 | stats = malloc(sizeof(struct stats)); | |
1769 | if (stats == NULL) | |
1770 | return; | |
1771 | init_stats(stats); | |
1772 | inode->priv = stats; | |
1773 | } | |
1774 | ||
1775 | if (ttrace->entry_time && sample->time > ttrace->entry_time) | |
1776 | duration = sample->time - ttrace->entry_time; | |
1777 | ||
1778 | update_stats(stats, duration); | |
1779 | } | |
1780 | ||
e596663e ACM |
1781 | static int trace__printf_interrupted_entry(struct trace *trace, struct perf_sample *sample) |
1782 | { | |
1783 | struct thread_trace *ttrace; | |
1784 | u64 duration; | |
1785 | size_t printed; | |
1786 | ||
1787 | if (trace->current == NULL) | |
1788 | return 0; | |
1789 | ||
1790 | ttrace = thread__priv(trace->current); | |
1791 | ||
1792 | if (!ttrace->entry_pending) | |
1793 | return 0; | |
1794 | ||
1795 | duration = sample->time - ttrace->entry_time; | |
1796 | ||
1797 | printed = trace__fprintf_entry_head(trace, trace->current, duration, sample->time, trace->output); | |
1798 | printed += fprintf(trace->output, "%-70s) ...\n", ttrace->entry_str); | |
1799 | ttrace->entry_pending = false; | |
1800 | ||
1801 | return printed; | |
1802 | } | |
1803 | ||
ba3d7dee | 1804 | static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, |
0c82adcf | 1805 | union perf_event *event __maybe_unused, |
ba3d7dee ACM |
1806 | struct perf_sample *sample) |
1807 | { | |
752fde44 | 1808 | char *msg; |
ba3d7dee | 1809 | void *args; |
752fde44 | 1810 | size_t printed = 0; |
2ae3a312 | 1811 | struct thread *thread; |
b91fc39f | 1812 | int id = perf_evsel__sc_tp_uint(evsel, id, sample), err = -1; |
bf2575c1 | 1813 | struct syscall *sc = trace__syscall_info(trace, evsel, id); |
2ae3a312 ACM |
1814 | struct thread_trace *ttrace; |
1815 | ||
1816 | if (sc == NULL) | |
1817 | return -1; | |
ba3d7dee | 1818 | |
8fb598e5 | 1819 | thread = machine__findnew_thread(trace->host, sample->pid, sample->tid); |
c24ff998 | 1820 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 1821 | if (ttrace == NULL) |
b91fc39f | 1822 | goto out_put; |
ba3d7dee | 1823 | |
77170988 | 1824 | args = perf_evsel__sc_tp_ptr(evsel, args, sample); |
752fde44 ACM |
1825 | |
1826 | if (ttrace->entry_str == NULL) { | |
e4d44e83 | 1827 | ttrace->entry_str = malloc(trace__entry_str_size); |
752fde44 | 1828 | if (!ttrace->entry_str) |
b91fc39f | 1829 | goto out_put; |
752fde44 ACM |
1830 | } |
1831 | ||
13f22a2d | 1832 | if (!trace->summary_only) |
6ebad5c1 | 1833 | trace__printf_interrupted_entry(trace, sample); |
e596663e | 1834 | |
752fde44 ACM |
1835 | ttrace->entry_time = sample->time; |
1836 | msg = ttrace->entry_str; | |
e4d44e83 | 1837 | printed += scnprintf(msg + printed, trace__entry_str_size - printed, "%s(", sc->name); |
752fde44 | 1838 | |
e4d44e83 | 1839 | printed += syscall__scnprintf_args(sc, msg + printed, trace__entry_str_size - printed, |
75b757ca | 1840 | args, trace, thread); |
752fde44 | 1841 | |
5089f20e | 1842 | if (sc->is_exit) { |
fd2eabaf | 1843 | if (!trace->duration_filter && !trace->summary_only) { |
c24ff998 ACM |
1844 | trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output); |
1845 | fprintf(trace->output, "%-70s\n", ttrace->entry_str); | |
ae9ed035 | 1846 | } |
752fde44 ACM |
1847 | } else |
1848 | ttrace->entry_pending = true; | |
ba3d7dee | 1849 | |
f3b623b8 ACM |
1850 | if (trace->current != thread) { |
1851 | thread__put(trace->current); | |
1852 | trace->current = thread__get(thread); | |
1853 | } | |
b91fc39f ACM |
1854 | err = 0; |
1855 | out_put: | |
1856 | thread__put(thread); | |
1857 | return err; | |
ba3d7dee ACM |
1858 | } |
1859 | ||
1860 | static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, | |
0c82adcf | 1861 | union perf_event *event __maybe_unused, |
ba3d7dee ACM |
1862 | struct perf_sample *sample) |
1863 | { | |
2c82c3ad | 1864 | long ret; |
60c907ab | 1865 | u64 duration = 0; |
2ae3a312 | 1866 | struct thread *thread; |
b91fc39f | 1867 | int id = perf_evsel__sc_tp_uint(evsel, id, sample), err = -1; |
bf2575c1 | 1868 | struct syscall *sc = trace__syscall_info(trace, evsel, id); |
2ae3a312 ACM |
1869 | struct thread_trace *ttrace; |
1870 | ||
1871 | if (sc == NULL) | |
1872 | return -1; | |
ba3d7dee | 1873 | |
8fb598e5 | 1874 | thread = machine__findnew_thread(trace->host, sample->pid, sample->tid); |
c24ff998 | 1875 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 1876 | if (ttrace == NULL) |
b91fc39f | 1877 | goto out_put; |
ba3d7dee | 1878 | |
bf2575c1 DA |
1879 | if (trace->summary) |
1880 | thread__update_stats(ttrace, id, sample); | |
1881 | ||
77170988 | 1882 | ret = perf_evsel__sc_tp_uint(evsel, ret, sample); |
ba3d7dee | 1883 | |
c522739d ACM |
1884 | if (id == trace->audit.open_id && ret >= 0 && trace->last_vfs_getname) { |
1885 | trace__set_fd_pathname(thread, ret, trace->last_vfs_getname); | |
1886 | trace->last_vfs_getname = NULL; | |
1887 | ++trace->stats.vfs_getname; | |
1888 | } | |
1889 | ||
752fde44 ACM |
1890 | ttrace->exit_time = sample->time; |
1891 | ||
ae9ed035 | 1892 | if (ttrace->entry_time) { |
60c907ab | 1893 | duration = sample->time - ttrace->entry_time; |
ae9ed035 ACM |
1894 | if (trace__filter_duration(trace, duration)) |
1895 | goto out; | |
1896 | } else if (trace->duration_filter) | |
1897 | goto out; | |
60c907ab | 1898 | |
fd2eabaf DA |
1899 | if (trace->summary_only) |
1900 | goto out; | |
1901 | ||
c24ff998 | 1902 | trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output); |
752fde44 ACM |
1903 | |
1904 | if (ttrace->entry_pending) { | |
c24ff998 | 1905 | fprintf(trace->output, "%-70s", ttrace->entry_str); |
752fde44 | 1906 | } else { |
c24ff998 ACM |
1907 | fprintf(trace->output, " ... ["); |
1908 | color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued"); | |
1909 | fprintf(trace->output, "]: %s()", sc->name); | |
752fde44 ACM |
1910 | } |
1911 | ||
da3c9a44 ACM |
1912 | if (sc->fmt == NULL) { |
1913 | signed_print: | |
2c82c3ad | 1914 | fprintf(trace->output, ") = %ld", ret); |
da3c9a44 | 1915 | } else if (ret < 0 && sc->fmt->errmsg) { |
942a91ed | 1916 | char bf[STRERR_BUFSIZE]; |
ba3d7dee ACM |
1917 | const char *emsg = strerror_r(-ret, bf, sizeof(bf)), |
1918 | *e = audit_errno_to_name(-ret); | |
1919 | ||
c24ff998 | 1920 | fprintf(trace->output, ") = -1 %s %s", e, emsg); |
da3c9a44 | 1921 | } else if (ret == 0 && sc->fmt->timeout) |
c24ff998 | 1922 | fprintf(trace->output, ") = 0 Timeout"); |
04b34729 | 1923 | else if (sc->fmt->hexret) |
2c82c3ad | 1924 | fprintf(trace->output, ") = %#lx", ret); |
ba3d7dee | 1925 | else |
da3c9a44 | 1926 | goto signed_print; |
ba3d7dee | 1927 | |
c24ff998 | 1928 | fputc('\n', trace->output); |
ae9ed035 | 1929 | out: |
752fde44 | 1930 | ttrace->entry_pending = false; |
b91fc39f ACM |
1931 | err = 0; |
1932 | out_put: | |
1933 | thread__put(thread); | |
1934 | return err; | |
ba3d7dee ACM |
1935 | } |
1936 | ||
c522739d | 1937 | static int trace__vfs_getname(struct trace *trace, struct perf_evsel *evsel, |
0c82adcf | 1938 | union perf_event *event __maybe_unused, |
c522739d ACM |
1939 | struct perf_sample *sample) |
1940 | { | |
1941 | trace->last_vfs_getname = perf_evsel__rawptr(evsel, sample, "pathname"); | |
1942 | return 0; | |
1943 | } | |
1944 | ||
1302d88e | 1945 | static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel, |
0c82adcf | 1946 | union perf_event *event __maybe_unused, |
1302d88e ACM |
1947 | struct perf_sample *sample) |
1948 | { | |
1949 | u64 runtime = perf_evsel__intval(evsel, sample, "runtime"); | |
1950 | double runtime_ms = (double)runtime / NSEC_PER_MSEC; | |
8fb598e5 | 1951 | struct thread *thread = machine__findnew_thread(trace->host, |
314add6b AH |
1952 | sample->pid, |
1953 | sample->tid); | |
c24ff998 | 1954 | struct thread_trace *ttrace = thread__trace(thread, trace->output); |
1302d88e ACM |
1955 | |
1956 | if (ttrace == NULL) | |
1957 | goto out_dump; | |
1958 | ||
1959 | ttrace->runtime_ms += runtime_ms; | |
1960 | trace->runtime_ms += runtime_ms; | |
b91fc39f | 1961 | thread__put(thread); |
1302d88e ACM |
1962 | return 0; |
1963 | ||
1964 | out_dump: | |
c24ff998 | 1965 | fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n", |
1302d88e ACM |
1966 | evsel->name, |
1967 | perf_evsel__strval(evsel, sample, "comm"), | |
1968 | (pid_t)perf_evsel__intval(evsel, sample, "pid"), | |
1969 | runtime, | |
1970 | perf_evsel__intval(evsel, sample, "vruntime")); | |
b91fc39f | 1971 | thread__put(thread); |
1302d88e ACM |
1972 | return 0; |
1973 | } | |
1974 | ||
14a052df ACM |
1975 | static int trace__event_handler(struct trace *trace, struct perf_evsel *evsel, |
1976 | union perf_event *event __maybe_unused, | |
1977 | struct perf_sample *sample) | |
1978 | { | |
1979 | trace__printf_interrupted_entry(trace, sample); | |
1980 | trace__fprintf_tstamp(trace, sample->time, trace->output); | |
0808921a ACM |
1981 | |
1982 | if (trace->trace_syscalls) | |
1983 | fprintf(trace->output, "( ): "); | |
1984 | ||
1985 | fprintf(trace->output, "%s:", evsel->name); | |
14a052df ACM |
1986 | |
1987 | if (evsel->tp_format) { | |
1988 | event_format__fprintf(evsel->tp_format, sample->cpu, | |
1989 | sample->raw_data, sample->raw_size, | |
1990 | trace->output); | |
1991 | } | |
1992 | ||
1993 | fprintf(trace->output, ")\n"); | |
1994 | return 0; | |
1995 | } | |
1996 | ||
598d02c5 SF |
1997 | static void print_location(FILE *f, struct perf_sample *sample, |
1998 | struct addr_location *al, | |
1999 | bool print_dso, bool print_sym) | |
2000 | { | |
2001 | ||
2002 | if ((verbose || print_dso) && al->map) | |
2003 | fprintf(f, "%s@", al->map->dso->long_name); | |
2004 | ||
2005 | if ((verbose || print_sym) && al->sym) | |
4414a3c5 | 2006 | fprintf(f, "%s+0x%" PRIx64, al->sym->name, |
598d02c5 SF |
2007 | al->addr - al->sym->start); |
2008 | else if (al->map) | |
4414a3c5 | 2009 | fprintf(f, "0x%" PRIx64, al->addr); |
598d02c5 | 2010 | else |
4414a3c5 | 2011 | fprintf(f, "0x%" PRIx64, sample->addr); |
598d02c5 SF |
2012 | } |
2013 | ||
2014 | static int trace__pgfault(struct trace *trace, | |
2015 | struct perf_evsel *evsel, | |
2016 | union perf_event *event, | |
2017 | struct perf_sample *sample) | |
2018 | { | |
2019 | struct thread *thread; | |
2020 | u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
2021 | struct addr_location al; | |
2022 | char map_type = 'd'; | |
a2ea67d7 | 2023 | struct thread_trace *ttrace; |
b91fc39f | 2024 | int err = -1; |
598d02c5 SF |
2025 | |
2026 | thread = machine__findnew_thread(trace->host, sample->pid, sample->tid); | |
a2ea67d7 SF |
2027 | ttrace = thread__trace(thread, trace->output); |
2028 | if (ttrace == NULL) | |
b91fc39f | 2029 | goto out_put; |
a2ea67d7 SF |
2030 | |
2031 | if (evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MAJ) | |
2032 | ttrace->pfmaj++; | |
2033 | else | |
2034 | ttrace->pfmin++; | |
2035 | ||
2036 | if (trace->summary_only) | |
b91fc39f | 2037 | goto out; |
598d02c5 | 2038 | |
bb871a9c | 2039 | thread__find_addr_location(thread, cpumode, MAP__FUNCTION, |
598d02c5 SF |
2040 | sample->ip, &al); |
2041 | ||
2042 | trace__fprintf_entry_head(trace, thread, 0, sample->time, trace->output); | |
2043 | ||
2044 | fprintf(trace->output, "%sfault [", | |
2045 | evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MAJ ? | |
2046 | "maj" : "min"); | |
2047 | ||
2048 | print_location(trace->output, sample, &al, false, true); | |
2049 | ||
2050 | fprintf(trace->output, "] => "); | |
2051 | ||
bb871a9c | 2052 | thread__find_addr_location(thread, cpumode, MAP__VARIABLE, |
598d02c5 SF |
2053 | sample->addr, &al); |
2054 | ||
2055 | if (!al.map) { | |
bb871a9c | 2056 | thread__find_addr_location(thread, cpumode, |
598d02c5 SF |
2057 | MAP__FUNCTION, sample->addr, &al); |
2058 | ||
2059 | if (al.map) | |
2060 | map_type = 'x'; | |
2061 | else | |
2062 | map_type = '?'; | |
2063 | } | |
2064 | ||
2065 | print_location(trace->output, sample, &al, true, false); | |
2066 | ||
2067 | fprintf(trace->output, " (%c%c)\n", map_type, al.level); | |
b91fc39f ACM |
2068 | out: |
2069 | err = 0; | |
2070 | out_put: | |
2071 | thread__put(thread); | |
2072 | return err; | |
598d02c5 SF |
2073 | } |
2074 | ||
bdc89661 DA |
2075 | static bool skip_sample(struct trace *trace, struct perf_sample *sample) |
2076 | { | |
2077 | if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) || | |
2078 | (trace->tid_list && intlist__find(trace->tid_list, sample->tid))) | |
2079 | return false; | |
2080 | ||
2081 | if (trace->pid_list || trace->tid_list) | |
2082 | return true; | |
2083 | ||
2084 | return false; | |
2085 | } | |
2086 | ||
6810fc91 | 2087 | static int trace__process_sample(struct perf_tool *tool, |
0c82adcf | 2088 | union perf_event *event, |
6810fc91 DA |
2089 | struct perf_sample *sample, |
2090 | struct perf_evsel *evsel, | |
2091 | struct machine *machine __maybe_unused) | |
2092 | { | |
2093 | struct trace *trace = container_of(tool, struct trace, tool); | |
2094 | int err = 0; | |
2095 | ||
744a9719 | 2096 | tracepoint_handler handler = evsel->handler; |
6810fc91 | 2097 | |
bdc89661 DA |
2098 | if (skip_sample(trace, sample)) |
2099 | return 0; | |
2100 | ||
4bb09192 | 2101 | if (!trace->full_time && trace->base_time == 0) |
6810fc91 DA |
2102 | trace->base_time = sample->time; |
2103 | ||
3160565f DA |
2104 | if (handler) { |
2105 | ++trace->nr_events; | |
0c82adcf | 2106 | handler(trace, evsel, event, sample); |
3160565f | 2107 | } |
6810fc91 DA |
2108 | |
2109 | return err; | |
2110 | } | |
2111 | ||
bdc89661 DA |
2112 | static int parse_target_str(struct trace *trace) |
2113 | { | |
2114 | if (trace->opts.target.pid) { | |
2115 | trace->pid_list = intlist__new(trace->opts.target.pid); | |
2116 | if (trace->pid_list == NULL) { | |
2117 | pr_err("Error parsing process id string\n"); | |
2118 | return -EINVAL; | |
2119 | } | |
2120 | } | |
2121 | ||
2122 | if (trace->opts.target.tid) { | |
2123 | trace->tid_list = intlist__new(trace->opts.target.tid); | |
2124 | if (trace->tid_list == NULL) { | |
2125 | pr_err("Error parsing thread id string\n"); | |
2126 | return -EINVAL; | |
2127 | } | |
2128 | } | |
2129 | ||
2130 | return 0; | |
2131 | } | |
2132 | ||
1e28fe0a | 2133 | static int trace__record(struct trace *trace, int argc, const char **argv) |
5e2485b1 DA |
2134 | { |
2135 | unsigned int rec_argc, i, j; | |
2136 | const char **rec_argv; | |
2137 | const char * const record_args[] = { | |
2138 | "record", | |
2139 | "-R", | |
2140 | "-m", "1024", | |
2141 | "-c", "1", | |
5e2485b1 DA |
2142 | }; |
2143 | ||
1e28fe0a SF |
2144 | const char * const sc_args[] = { "-e", }; |
2145 | unsigned int sc_args_nr = ARRAY_SIZE(sc_args); | |
2146 | const char * const majpf_args[] = { "-e", "major-faults" }; | |
2147 | unsigned int majpf_args_nr = ARRAY_SIZE(majpf_args); | |
2148 | const char * const minpf_args[] = { "-e", "minor-faults" }; | |
2149 | unsigned int minpf_args_nr = ARRAY_SIZE(minpf_args); | |
2150 | ||
9aca7f17 | 2151 | /* +1 is for the event string below */ |
1e28fe0a SF |
2152 | rec_argc = ARRAY_SIZE(record_args) + sc_args_nr + 1 + |
2153 | majpf_args_nr + minpf_args_nr + argc; | |
5e2485b1 DA |
2154 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
2155 | ||
2156 | if (rec_argv == NULL) | |
2157 | return -ENOMEM; | |
2158 | ||
1e28fe0a | 2159 | j = 0; |
5e2485b1 | 2160 | for (i = 0; i < ARRAY_SIZE(record_args); i++) |
1e28fe0a SF |
2161 | rec_argv[j++] = record_args[i]; |
2162 | ||
e281a960 SF |
2163 | if (trace->trace_syscalls) { |
2164 | for (i = 0; i < sc_args_nr; i++) | |
2165 | rec_argv[j++] = sc_args[i]; | |
2166 | ||
2167 | /* event string may be different for older kernels - e.g., RHEL6 */ | |
2168 | if (is_valid_tracepoint("raw_syscalls:sys_enter")) | |
2169 | rec_argv[j++] = "raw_syscalls:sys_enter,raw_syscalls:sys_exit"; | |
2170 | else if (is_valid_tracepoint("syscalls:sys_enter")) | |
2171 | rec_argv[j++] = "syscalls:sys_enter,syscalls:sys_exit"; | |
2172 | else { | |
2173 | pr_err("Neither raw_syscalls nor syscalls events exist.\n"); | |
2174 | return -1; | |
2175 | } | |
9aca7f17 | 2176 | } |
9aca7f17 | 2177 | |
1e28fe0a SF |
2178 | if (trace->trace_pgfaults & TRACE_PFMAJ) |
2179 | for (i = 0; i < majpf_args_nr; i++) | |
2180 | rec_argv[j++] = majpf_args[i]; | |
2181 | ||
2182 | if (trace->trace_pgfaults & TRACE_PFMIN) | |
2183 | for (i = 0; i < minpf_args_nr; i++) | |
2184 | rec_argv[j++] = minpf_args[i]; | |
2185 | ||
2186 | for (i = 0; i < (unsigned int)argc; i++) | |
2187 | rec_argv[j++] = argv[i]; | |
5e2485b1 | 2188 | |
1e28fe0a | 2189 | return cmd_record(j, rec_argv, NULL); |
5e2485b1 DA |
2190 | } |
2191 | ||
bf2575c1 DA |
2192 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp); |
2193 | ||
08c98776 | 2194 | static bool perf_evlist__add_vfs_getname(struct perf_evlist *evlist) |
c522739d | 2195 | { |
ef503831 | 2196 | struct perf_evsel *evsel = perf_evsel__newtp("probe", "vfs_getname"); |
c522739d | 2197 | if (evsel == NULL) |
08c98776 | 2198 | return false; |
c522739d ACM |
2199 | |
2200 | if (perf_evsel__field(evsel, "pathname") == NULL) { | |
2201 | perf_evsel__delete(evsel); | |
08c98776 | 2202 | return false; |
c522739d ACM |
2203 | } |
2204 | ||
744a9719 | 2205 | evsel->handler = trace__vfs_getname; |
c522739d | 2206 | perf_evlist__add(evlist, evsel); |
08c98776 | 2207 | return true; |
c522739d ACM |
2208 | } |
2209 | ||
598d02c5 SF |
2210 | static int perf_evlist__add_pgfault(struct perf_evlist *evlist, |
2211 | u64 config) | |
2212 | { | |
2213 | struct perf_evsel *evsel; | |
2214 | struct perf_event_attr attr = { | |
2215 | .type = PERF_TYPE_SOFTWARE, | |
2216 | .mmap_data = 1, | |
598d02c5 SF |
2217 | }; |
2218 | ||
2219 | attr.config = config; | |
0524798c | 2220 | attr.sample_period = 1; |
598d02c5 SF |
2221 | |
2222 | event_attr_init(&attr); | |
2223 | ||
2224 | evsel = perf_evsel__new(&attr); | |
2225 | if (!evsel) | |
2226 | return -ENOMEM; | |
2227 | ||
2228 | evsel->handler = trace__pgfault; | |
2229 | perf_evlist__add(evlist, evsel); | |
2230 | ||
2231 | return 0; | |
2232 | } | |
2233 | ||
ddbb1b13 ACM |
2234 | static void trace__handle_event(struct trace *trace, union perf_event *event, struct perf_sample *sample) |
2235 | { | |
2236 | const u32 type = event->header.type; | |
2237 | struct perf_evsel *evsel; | |
2238 | ||
2239 | if (!trace->full_time && trace->base_time == 0) | |
2240 | trace->base_time = sample->time; | |
2241 | ||
2242 | if (type != PERF_RECORD_SAMPLE) { | |
2243 | trace__process_event(trace, trace->host, event, sample); | |
2244 | return; | |
2245 | } | |
2246 | ||
2247 | evsel = perf_evlist__id2evsel(trace->evlist, sample->id); | |
2248 | if (evsel == NULL) { | |
2249 | fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample->id); | |
2250 | return; | |
2251 | } | |
2252 | ||
2253 | if (evsel->attr.type == PERF_TYPE_TRACEPOINT && | |
2254 | sample->raw_data == NULL) { | |
2255 | fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", | |
2256 | perf_evsel__name(evsel), sample->tid, | |
2257 | sample->cpu, sample->raw_size); | |
2258 | } else { | |
2259 | tracepoint_handler handler = evsel->handler; | |
2260 | handler(trace, evsel, event, sample); | |
2261 | } | |
2262 | } | |
2263 | ||
c27366f0 ACM |
2264 | static int trace__add_syscall_newtp(struct trace *trace) |
2265 | { | |
2266 | int ret = -1; | |
2267 | struct perf_evlist *evlist = trace->evlist; | |
2268 | struct perf_evsel *sys_enter, *sys_exit; | |
2269 | ||
2270 | sys_enter = perf_evsel__syscall_newtp("sys_enter", trace__sys_enter); | |
2271 | if (sys_enter == NULL) | |
2272 | goto out; | |
2273 | ||
2274 | if (perf_evsel__init_sc_tp_ptr_field(sys_enter, args)) | |
2275 | goto out_delete_sys_enter; | |
2276 | ||
2277 | sys_exit = perf_evsel__syscall_newtp("sys_exit", trace__sys_exit); | |
2278 | if (sys_exit == NULL) | |
2279 | goto out_delete_sys_enter; | |
2280 | ||
2281 | if (perf_evsel__init_sc_tp_uint_field(sys_exit, ret)) | |
2282 | goto out_delete_sys_exit; | |
2283 | ||
2284 | perf_evlist__add(evlist, sys_enter); | |
2285 | perf_evlist__add(evlist, sys_exit); | |
2286 | ||
8b3ce757 ACM |
2287 | trace->syscalls.events.sys_enter = sys_enter; |
2288 | trace->syscalls.events.sys_exit = sys_exit; | |
c27366f0 ACM |
2289 | |
2290 | ret = 0; | |
2291 | out: | |
2292 | return ret; | |
2293 | ||
2294 | out_delete_sys_exit: | |
2295 | perf_evsel__delete_priv(sys_exit); | |
2296 | out_delete_sys_enter: | |
2297 | perf_evsel__delete_priv(sys_enter); | |
2298 | goto out; | |
2299 | } | |
2300 | ||
19867b61 ACM |
2301 | static int trace__set_ev_qualifier_filter(struct trace *trace) |
2302 | { | |
2303 | int err = -1; | |
2304 | char *filter = asprintf_expr_inout_ints("id", !trace->not_ev_qualifier, | |
2305 | trace->ev_qualifier_ids.nr, | |
2306 | trace->ev_qualifier_ids.entries); | |
2307 | ||
2308 | if (filter == NULL) | |
2309 | goto out_enomem; | |
2310 | ||
2311 | if (!perf_evsel__append_filter(trace->syscalls.events.sys_enter, "&&", filter)) | |
2312 | err = perf_evsel__append_filter(trace->syscalls.events.sys_exit, "&&", filter); | |
2313 | ||
2314 | free(filter); | |
2315 | out: | |
2316 | return err; | |
2317 | out_enomem: | |
2318 | errno = ENOMEM; | |
2319 | goto out; | |
2320 | } | |
c27366f0 | 2321 | |
f15eb531 | 2322 | static int trace__run(struct trace *trace, int argc, const char **argv) |
514f1c67 | 2323 | { |
14a052df | 2324 | struct perf_evlist *evlist = trace->evlist; |
94ad89bc | 2325 | struct perf_evsel *evsel; |
efd5745e ACM |
2326 | int err = -1, i; |
2327 | unsigned long before; | |
f15eb531 | 2328 | const bool forks = argc > 0; |
46fb3c21 | 2329 | bool draining = false; |
514f1c67 | 2330 | |
75b757ca ACM |
2331 | trace->live = true; |
2332 | ||
c27366f0 | 2333 | if (trace->trace_syscalls && trace__add_syscall_newtp(trace)) |
801c67b0 | 2334 | goto out_error_raw_syscalls; |
514f1c67 | 2335 | |
e281a960 | 2336 | if (trace->trace_syscalls) |
08c98776 | 2337 | trace->vfs_getname = perf_evlist__add_vfs_getname(evlist); |
c522739d | 2338 | |
598d02c5 | 2339 | if ((trace->trace_pgfaults & TRACE_PFMAJ) && |
e2726d99 | 2340 | perf_evlist__add_pgfault(evlist, PERF_COUNT_SW_PAGE_FAULTS_MAJ)) { |
5ed08dae | 2341 | goto out_error_mem; |
e2726d99 | 2342 | } |
598d02c5 SF |
2343 | |
2344 | if ((trace->trace_pgfaults & TRACE_PFMIN) && | |
2345 | perf_evlist__add_pgfault(evlist, PERF_COUNT_SW_PAGE_FAULTS_MIN)) | |
5ed08dae | 2346 | goto out_error_mem; |
598d02c5 | 2347 | |
1302d88e | 2348 | if (trace->sched && |
2cc990ba ACM |
2349 | perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime", |
2350 | trace__sched_stat_runtime)) | |
2351 | goto out_error_sched_stat_runtime; | |
1302d88e | 2352 | |
514f1c67 ACM |
2353 | err = perf_evlist__create_maps(evlist, &trace->opts.target); |
2354 | if (err < 0) { | |
c24ff998 | 2355 | fprintf(trace->output, "Problems parsing the target to trace, check your options!\n"); |
514f1c67 ACM |
2356 | goto out_delete_evlist; |
2357 | } | |
2358 | ||
752fde44 ACM |
2359 | err = trace__symbols_init(trace, evlist); |
2360 | if (err < 0) { | |
c24ff998 | 2361 | fprintf(trace->output, "Problems initializing symbol libraries!\n"); |
03ad9747 | 2362 | goto out_delete_evlist; |
752fde44 ACM |
2363 | } |
2364 | ||
f77a9518 | 2365 | perf_evlist__config(evlist, &trace->opts); |
514f1c67 | 2366 | |
f15eb531 NK |
2367 | signal(SIGCHLD, sig_handler); |
2368 | signal(SIGINT, sig_handler); | |
2369 | ||
2370 | if (forks) { | |
6ef73ec4 | 2371 | err = perf_evlist__prepare_workload(evlist, &trace->opts.target, |
735f7e0b | 2372 | argv, false, NULL); |
f15eb531 | 2373 | if (err < 0) { |
c24ff998 | 2374 | fprintf(trace->output, "Couldn't run the workload!\n"); |
03ad9747 | 2375 | goto out_delete_evlist; |
f15eb531 NK |
2376 | } |
2377 | } | |
2378 | ||
514f1c67 | 2379 | err = perf_evlist__open(evlist); |
a8f23d8f ACM |
2380 | if (err < 0) |
2381 | goto out_error_open; | |
514f1c67 | 2382 | |
241b057c ACM |
2383 | /* |
2384 | * Better not use !target__has_task() here because we need to cover the | |
2385 | * case where no threads were specified in the command line, but a | |
2386 | * workload was, and in that case we will fill in the thread_map when | |
2387 | * we fork the workload in perf_evlist__prepare_workload. | |
2388 | */ | |
f078c385 ACM |
2389 | if (trace->filter_pids.nr > 0) |
2390 | err = perf_evlist__set_filter_pids(evlist, trace->filter_pids.nr, trace->filter_pids.entries); | |
e13798c7 | 2391 | else if (thread_map__pid(evlist->threads, 0) == -1) |
f078c385 ACM |
2392 | err = perf_evlist__set_filter_pid(evlist, getpid()); |
2393 | ||
94ad89bc ACM |
2394 | if (err < 0) |
2395 | goto out_error_mem; | |
2396 | ||
19867b61 ACM |
2397 | if (trace->ev_qualifier_ids.nr > 0) { |
2398 | err = trace__set_ev_qualifier_filter(trace); | |
2399 | if (err < 0) | |
2400 | goto out_errno; | |
19867b61 | 2401 | |
2e5e5f87 ACM |
2402 | pr_debug("event qualifier tracepoint filter: %s\n", |
2403 | trace->syscalls.events.sys_exit->filter); | |
2404 | } | |
19867b61 | 2405 | |
94ad89bc ACM |
2406 | err = perf_evlist__apply_filters(evlist, &evsel); |
2407 | if (err < 0) | |
2408 | goto out_error_apply_filters; | |
241b057c | 2409 | |
f885037e | 2410 | err = perf_evlist__mmap(evlist, trace->opts.mmap_pages, false); |
e09b18d4 ACM |
2411 | if (err < 0) |
2412 | goto out_error_mmap; | |
514f1c67 | 2413 | |
cb24d01d ACM |
2414 | if (!target__none(&trace->opts.target)) |
2415 | perf_evlist__enable(evlist); | |
2416 | ||
f15eb531 NK |
2417 | if (forks) |
2418 | perf_evlist__start_workload(evlist); | |
2419 | ||
e13798c7 | 2420 | trace->multiple_threads = thread_map__pid(evlist->threads, 0) == -1 || |
42052bea ACM |
2421 | evlist->threads->nr > 1 || |
2422 | perf_evlist__first(evlist)->attr.inherit; | |
514f1c67 | 2423 | again: |
efd5745e | 2424 | before = trace->nr_events; |
514f1c67 ACM |
2425 | |
2426 | for (i = 0; i < evlist->nr_mmaps; i++) { | |
2427 | union perf_event *event; | |
2428 | ||
2429 | while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { | |
514f1c67 | 2430 | struct perf_sample sample; |
514f1c67 | 2431 | |
efd5745e | 2432 | ++trace->nr_events; |
514f1c67 | 2433 | |
514f1c67 ACM |
2434 | err = perf_evlist__parse_sample(evlist, event, &sample); |
2435 | if (err) { | |
c24ff998 | 2436 | fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err); |
8e50d384 | 2437 | goto next_event; |
514f1c67 ACM |
2438 | } |
2439 | ||
ddbb1b13 | 2440 | trace__handle_event(trace, event, &sample); |
8e50d384 ZZ |
2441 | next_event: |
2442 | perf_evlist__mmap_consume(evlist, i); | |
20c5f10e | 2443 | |
ba209f85 ACM |
2444 | if (interrupted) |
2445 | goto out_disable; | |
02ac5421 ACM |
2446 | |
2447 | if (done && !draining) { | |
2448 | perf_evlist__disable(evlist); | |
2449 | draining = true; | |
2450 | } | |
514f1c67 ACM |
2451 | } |
2452 | } | |
2453 | ||
efd5745e | 2454 | if (trace->nr_events == before) { |
ba209f85 | 2455 | int timeout = done ? 100 : -1; |
f15eb531 | 2456 | |
46fb3c21 ACM |
2457 | if (!draining && perf_evlist__poll(evlist, timeout) > 0) { |
2458 | if (perf_evlist__filter_pollfd(evlist, POLLERR | POLLHUP) == 0) | |
2459 | draining = true; | |
2460 | ||
ba209f85 | 2461 | goto again; |
46fb3c21 | 2462 | } |
ba209f85 ACM |
2463 | } else { |
2464 | goto again; | |
f15eb531 NK |
2465 | } |
2466 | ||
ba209f85 | 2467 | out_disable: |
f3b623b8 ACM |
2468 | thread__zput(trace->current); |
2469 | ||
ba209f85 | 2470 | perf_evlist__disable(evlist); |
514f1c67 | 2471 | |
c522739d ACM |
2472 | if (!err) { |
2473 | if (trace->summary) | |
2474 | trace__fprintf_thread_summary(trace, trace->output); | |
2475 | ||
2476 | if (trace->show_tool_stats) { | |
2477 | fprintf(trace->output, "Stats:\n " | |
2478 | " vfs_getname : %" PRIu64 "\n" | |
2479 | " proc_getname: %" PRIu64 "\n", | |
2480 | trace->stats.vfs_getname, | |
2481 | trace->stats.proc_getname); | |
2482 | } | |
2483 | } | |
bf2575c1 | 2484 | |
514f1c67 ACM |
2485 | out_delete_evlist: |
2486 | perf_evlist__delete(evlist); | |
14a052df | 2487 | trace->evlist = NULL; |
75b757ca | 2488 | trace->live = false; |
514f1c67 | 2489 | return err; |
6ef068cb ACM |
2490 | { |
2491 | char errbuf[BUFSIZ]; | |
a8f23d8f | 2492 | |
2cc990ba ACM |
2493 | out_error_sched_stat_runtime: |
2494 | debugfs__strerror_open_tp(errno, errbuf, sizeof(errbuf), "sched", "sched_stat_runtime"); | |
2495 | goto out_error; | |
2496 | ||
801c67b0 | 2497 | out_error_raw_syscalls: |
2cc990ba | 2498 | debugfs__strerror_open_tp(errno, errbuf, sizeof(errbuf), "raw_syscalls", "sys_(enter|exit)"); |
a8f23d8f ACM |
2499 | goto out_error; |
2500 | ||
e09b18d4 ACM |
2501 | out_error_mmap: |
2502 | perf_evlist__strerror_mmap(evlist, errno, errbuf, sizeof(errbuf)); | |
2503 | goto out_error; | |
2504 | ||
a8f23d8f ACM |
2505 | out_error_open: |
2506 | perf_evlist__strerror_open(evlist, errno, errbuf, sizeof(errbuf)); | |
2507 | ||
2508 | out_error: | |
6ef068cb | 2509 | fprintf(trace->output, "%s\n", errbuf); |
87f91868 | 2510 | goto out_delete_evlist; |
94ad89bc ACM |
2511 | |
2512 | out_error_apply_filters: | |
2513 | fprintf(trace->output, | |
2514 | "Failed to set filter \"%s\" on event %s with %d (%s)\n", | |
2515 | evsel->filter, perf_evsel__name(evsel), errno, | |
2516 | strerror_r(errno, errbuf, sizeof(errbuf))); | |
2517 | goto out_delete_evlist; | |
514f1c67 | 2518 | } |
5ed08dae ACM |
2519 | out_error_mem: |
2520 | fprintf(trace->output, "Not enough memory to run!\n"); | |
2521 | goto out_delete_evlist; | |
19867b61 ACM |
2522 | |
2523 | out_errno: | |
2524 | fprintf(trace->output, "errno=%d,%s\n", errno, strerror(errno)); | |
2525 | goto out_delete_evlist; | |
a8f23d8f | 2526 | } |
514f1c67 | 2527 | |
6810fc91 DA |
2528 | static int trace__replay(struct trace *trace) |
2529 | { | |
2530 | const struct perf_evsel_str_handler handlers[] = { | |
c522739d | 2531 | { "probe:vfs_getname", trace__vfs_getname, }, |
6810fc91 | 2532 | }; |
f5fc1412 JO |
2533 | struct perf_data_file file = { |
2534 | .path = input_name, | |
2535 | .mode = PERF_DATA_MODE_READ, | |
e366a6d8 | 2536 | .force = trace->force, |
f5fc1412 | 2537 | }; |
6810fc91 | 2538 | struct perf_session *session; |
003824e8 | 2539 | struct perf_evsel *evsel; |
6810fc91 DA |
2540 | int err = -1; |
2541 | ||
2542 | trace->tool.sample = trace__process_sample; | |
2543 | trace->tool.mmap = perf_event__process_mmap; | |
384c671e | 2544 | trace->tool.mmap2 = perf_event__process_mmap2; |
6810fc91 DA |
2545 | trace->tool.comm = perf_event__process_comm; |
2546 | trace->tool.exit = perf_event__process_exit; | |
2547 | trace->tool.fork = perf_event__process_fork; | |
2548 | trace->tool.attr = perf_event__process_attr; | |
2549 | trace->tool.tracing_data = perf_event__process_tracing_data; | |
2550 | trace->tool.build_id = perf_event__process_build_id; | |
2551 | ||
0a8cb85c | 2552 | trace->tool.ordered_events = true; |
6810fc91 DA |
2553 | trace->tool.ordering_requires_timestamps = true; |
2554 | ||
2555 | /* add tid to output */ | |
2556 | trace->multiple_threads = true; | |
2557 | ||
f5fc1412 | 2558 | session = perf_session__new(&file, false, &trace->tool); |
6810fc91 | 2559 | if (session == NULL) |
52e02834 | 2560 | return -1; |
6810fc91 | 2561 | |
0a7e6d1b | 2562 | if (symbol__init(&session->header.env) < 0) |
cb2ffae2 NK |
2563 | goto out; |
2564 | ||
8fb598e5 DA |
2565 | trace->host = &session->machines.host; |
2566 | ||
6810fc91 DA |
2567 | err = perf_session__set_tracepoints_handlers(session, handlers); |
2568 | if (err) | |
2569 | goto out; | |
2570 | ||
003824e8 NK |
2571 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, |
2572 | "raw_syscalls:sys_enter"); | |
9aca7f17 DA |
2573 | /* older kernels have syscalls tp versus raw_syscalls */ |
2574 | if (evsel == NULL) | |
2575 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, | |
2576 | "syscalls:sys_enter"); | |
003824e8 | 2577 | |
e281a960 SF |
2578 | if (evsel && |
2579 | (perf_evsel__init_syscall_tp(evsel, trace__sys_enter) < 0 || | |
2580 | perf_evsel__init_sc_tp_ptr_field(evsel, args))) { | |
003824e8 NK |
2581 | pr_err("Error during initialize raw_syscalls:sys_enter event\n"); |
2582 | goto out; | |
2583 | } | |
2584 | ||
2585 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, | |
2586 | "raw_syscalls:sys_exit"); | |
9aca7f17 DA |
2587 | if (evsel == NULL) |
2588 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, | |
2589 | "syscalls:sys_exit"); | |
e281a960 SF |
2590 | if (evsel && |
2591 | (perf_evsel__init_syscall_tp(evsel, trace__sys_exit) < 0 || | |
2592 | perf_evsel__init_sc_tp_uint_field(evsel, ret))) { | |
003824e8 | 2593 | pr_err("Error during initialize raw_syscalls:sys_exit event\n"); |
6810fc91 DA |
2594 | goto out; |
2595 | } | |
2596 | ||
1e28fe0a SF |
2597 | evlist__for_each(session->evlist, evsel) { |
2598 | if (evsel->attr.type == PERF_TYPE_SOFTWARE && | |
2599 | (evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MAJ || | |
2600 | evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MIN || | |
2601 | evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS)) | |
2602 | evsel->handler = trace__pgfault; | |
2603 | } | |
2604 | ||
bdc89661 DA |
2605 | err = parse_target_str(trace); |
2606 | if (err != 0) | |
2607 | goto out; | |
2608 | ||
6810fc91 DA |
2609 | setup_pager(); |
2610 | ||
b7b61cbe | 2611 | err = perf_session__process_events(session); |
6810fc91 DA |
2612 | if (err) |
2613 | pr_err("Failed to process events, error %d", err); | |
2614 | ||
bf2575c1 DA |
2615 | else if (trace->summary) |
2616 | trace__fprintf_thread_summary(trace, trace->output); | |
2617 | ||
6810fc91 DA |
2618 | out: |
2619 | perf_session__delete(session); | |
2620 | ||
2621 | return err; | |
2622 | } | |
2623 | ||
1302d88e ACM |
2624 | static size_t trace__fprintf_threads_header(FILE *fp) |
2625 | { | |
2626 | size_t printed; | |
2627 | ||
99ff7150 | 2628 | printed = fprintf(fp, "\n Summary of events:\n\n"); |
bf2575c1 DA |
2629 | |
2630 | return printed; | |
2631 | } | |
2632 | ||
2633 | static size_t thread__dump_stats(struct thread_trace *ttrace, | |
2634 | struct trace *trace, FILE *fp) | |
2635 | { | |
2636 | struct stats *stats; | |
2637 | size_t printed = 0; | |
2638 | struct syscall *sc; | |
2639 | struct int_node *inode = intlist__first(ttrace->syscall_stats); | |
2640 | ||
2641 | if (inode == NULL) | |
2642 | return 0; | |
2643 | ||
2644 | printed += fprintf(fp, "\n"); | |
2645 | ||
27a778b5 PE |
2646 | printed += fprintf(fp, " syscall calls min avg max stddev\n"); |
2647 | printed += fprintf(fp, " (msec) (msec) (msec) (%%)\n"); | |
2648 | printed += fprintf(fp, " --------------- -------- --------- --------- --------- ------\n"); | |
99ff7150 | 2649 | |
bf2575c1 DA |
2650 | /* each int_node is a syscall */ |
2651 | while (inode) { | |
2652 | stats = inode->priv; | |
2653 | if (stats) { | |
2654 | double min = (double)(stats->min) / NSEC_PER_MSEC; | |
2655 | double max = (double)(stats->max) / NSEC_PER_MSEC; | |
2656 | double avg = avg_stats(stats); | |
2657 | double pct; | |
2658 | u64 n = (u64) stats->n; | |
2659 | ||
2660 | pct = avg ? 100.0 * stddev_stats(stats)/avg : 0.0; | |
2661 | avg /= NSEC_PER_MSEC; | |
2662 | ||
2663 | sc = &trace->syscalls.table[inode->i]; | |
99ff7150 | 2664 | printed += fprintf(fp, " %-15s", sc->name); |
27a778b5 | 2665 | printed += fprintf(fp, " %8" PRIu64 " %9.3f %9.3f", |
7f7a4138 | 2666 | n, min, avg); |
27a778b5 | 2667 | printed += fprintf(fp, " %9.3f %9.2f%%\n", max, pct); |
bf2575c1 DA |
2668 | } |
2669 | ||
2670 | inode = intlist__next(inode); | |
2671 | } | |
2672 | ||
2673 | printed += fprintf(fp, "\n\n"); | |
1302d88e ACM |
2674 | |
2675 | return printed; | |
2676 | } | |
2677 | ||
896cbb56 DA |
2678 | /* struct used to pass data to per-thread function */ |
2679 | struct summary_data { | |
2680 | FILE *fp; | |
2681 | struct trace *trace; | |
2682 | size_t printed; | |
2683 | }; | |
2684 | ||
2685 | static int trace__fprintf_one_thread(struct thread *thread, void *priv) | |
2686 | { | |
2687 | struct summary_data *data = priv; | |
2688 | FILE *fp = data->fp; | |
2689 | size_t printed = data->printed; | |
2690 | struct trace *trace = data->trace; | |
89dceb22 | 2691 | struct thread_trace *ttrace = thread__priv(thread); |
896cbb56 DA |
2692 | double ratio; |
2693 | ||
2694 | if (ttrace == NULL) | |
2695 | return 0; | |
2696 | ||
2697 | ratio = (double)ttrace->nr_events / trace->nr_events * 100.0; | |
2698 | ||
15e65c69 | 2699 | printed += fprintf(fp, " %s (%d), ", thread__comm_str(thread), thread->tid); |
99ff7150 | 2700 | printed += fprintf(fp, "%lu events, ", ttrace->nr_events); |
15e65c69 | 2701 | printed += fprintf(fp, "%.1f%%", ratio); |
a2ea67d7 SF |
2702 | if (ttrace->pfmaj) |
2703 | printed += fprintf(fp, ", %lu majfaults", ttrace->pfmaj); | |
2704 | if (ttrace->pfmin) | |
2705 | printed += fprintf(fp, ", %lu minfaults", ttrace->pfmin); | |
99ff7150 | 2706 | printed += fprintf(fp, ", %.3f msec\n", ttrace->runtime_ms); |
bf2575c1 | 2707 | printed += thread__dump_stats(ttrace, trace, fp); |
896cbb56 DA |
2708 | |
2709 | data->printed += printed; | |
2710 | ||
2711 | return 0; | |
2712 | } | |
2713 | ||
1302d88e ACM |
2714 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp) |
2715 | { | |
896cbb56 DA |
2716 | struct summary_data data = { |
2717 | .fp = fp, | |
2718 | .trace = trace | |
2719 | }; | |
2720 | data.printed = trace__fprintf_threads_header(fp); | |
1302d88e | 2721 | |
896cbb56 DA |
2722 | machine__for_each_thread(trace->host, trace__fprintf_one_thread, &data); |
2723 | ||
2724 | return data.printed; | |
1302d88e ACM |
2725 | } |
2726 | ||
ae9ed035 ACM |
2727 | static int trace__set_duration(const struct option *opt, const char *str, |
2728 | int unset __maybe_unused) | |
2729 | { | |
2730 | struct trace *trace = opt->value; | |
2731 | ||
2732 | trace->duration_filter = atof(str); | |
2733 | return 0; | |
2734 | } | |
2735 | ||
f078c385 ACM |
2736 | static int trace__set_filter_pids(const struct option *opt, const char *str, |
2737 | int unset __maybe_unused) | |
2738 | { | |
2739 | int ret = -1; | |
2740 | size_t i; | |
2741 | struct trace *trace = opt->value; | |
2742 | /* | |
2743 | * FIXME: introduce a intarray class, plain parse csv and create a | |
2744 | * { int nr, int entries[] } struct... | |
2745 | */ | |
2746 | struct intlist *list = intlist__new(str); | |
2747 | ||
2748 | if (list == NULL) | |
2749 | return -1; | |
2750 | ||
2751 | i = trace->filter_pids.nr = intlist__nr_entries(list) + 1; | |
2752 | trace->filter_pids.entries = calloc(i, sizeof(pid_t)); | |
2753 | ||
2754 | if (trace->filter_pids.entries == NULL) | |
2755 | goto out; | |
2756 | ||
2757 | trace->filter_pids.entries[0] = getpid(); | |
2758 | ||
2759 | for (i = 1; i < trace->filter_pids.nr; ++i) | |
2760 | trace->filter_pids.entries[i] = intlist__entry(list, i - 1)->i; | |
2761 | ||
2762 | intlist__delete(list); | |
2763 | ret = 0; | |
2764 | out: | |
2765 | return ret; | |
2766 | } | |
2767 | ||
c24ff998 ACM |
2768 | static int trace__open_output(struct trace *trace, const char *filename) |
2769 | { | |
2770 | struct stat st; | |
2771 | ||
2772 | if (!stat(filename, &st) && st.st_size) { | |
2773 | char oldname[PATH_MAX]; | |
2774 | ||
2775 | scnprintf(oldname, sizeof(oldname), "%s.old", filename); | |
2776 | unlink(oldname); | |
2777 | rename(filename, oldname); | |
2778 | } | |
2779 | ||
2780 | trace->output = fopen(filename, "w"); | |
2781 | ||
2782 | return trace->output == NULL ? -errno : 0; | |
2783 | } | |
2784 | ||
598d02c5 SF |
2785 | static int parse_pagefaults(const struct option *opt, const char *str, |
2786 | int unset __maybe_unused) | |
2787 | { | |
2788 | int *trace_pgfaults = opt->value; | |
2789 | ||
2790 | if (strcmp(str, "all") == 0) | |
2791 | *trace_pgfaults |= TRACE_PFMAJ | TRACE_PFMIN; | |
2792 | else if (strcmp(str, "maj") == 0) | |
2793 | *trace_pgfaults |= TRACE_PFMAJ; | |
2794 | else if (strcmp(str, "min") == 0) | |
2795 | *trace_pgfaults |= TRACE_PFMIN; | |
2796 | else | |
2797 | return -1; | |
2798 | ||
2799 | return 0; | |
2800 | } | |
2801 | ||
14a052df ACM |
2802 | static void evlist__set_evsel_handler(struct perf_evlist *evlist, void *handler) |
2803 | { | |
2804 | struct perf_evsel *evsel; | |
2805 | ||
2806 | evlist__for_each(evlist, evsel) | |
2807 | evsel->handler = handler; | |
2808 | } | |
2809 | ||
514f1c67 ACM |
2810 | int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) |
2811 | { | |
6fdd9cb7 | 2812 | const char *trace_usage[] = { |
f15eb531 NK |
2813 | "perf trace [<options>] [<command>]", |
2814 | "perf trace [<options>] -- <command> [<options>]", | |
5e2485b1 DA |
2815 | "perf trace record [<options>] [<command>]", |
2816 | "perf trace record [<options>] -- <command> [<options>]", | |
514f1c67 ACM |
2817 | NULL |
2818 | }; | |
2819 | struct trace trace = { | |
c522739d ACM |
2820 | .audit = { |
2821 | .machine = audit_detect_machine(), | |
2822 | .open_id = audit_name_to_syscall("open", trace.audit.machine), | |
2823 | }, | |
514f1c67 ACM |
2824 | .syscalls = { |
2825 | . max = -1, | |
2826 | }, | |
2827 | .opts = { | |
2828 | .target = { | |
2829 | .uid = UINT_MAX, | |
2830 | .uses_mmap = true, | |
2831 | }, | |
2832 | .user_freq = UINT_MAX, | |
2833 | .user_interval = ULLONG_MAX, | |
509051ea | 2834 | .no_buffering = true, |
38d5447d | 2835 | .mmap_pages = UINT_MAX, |
9d9cad76 | 2836 | .proc_map_timeout = 500, |
514f1c67 | 2837 | }, |
c24ff998 | 2838 | .output = stdout, |
50c95cbd | 2839 | .show_comm = true, |
e281a960 | 2840 | .trace_syscalls = true, |
514f1c67 | 2841 | }; |
c24ff998 | 2842 | const char *output_name = NULL; |
2ae3a312 | 2843 | const char *ev_qualifier_str = NULL; |
514f1c67 | 2844 | const struct option trace_options[] = { |
14a052df ACM |
2845 | OPT_CALLBACK(0, "event", &trace.evlist, "event", |
2846 | "event selector. use 'perf list' to list available events", | |
2847 | parse_events_option), | |
50c95cbd ACM |
2848 | OPT_BOOLEAN(0, "comm", &trace.show_comm, |
2849 | "show the thread COMM next to its id"), | |
c522739d | 2850 | OPT_BOOLEAN(0, "tool_stats", &trace.show_tool_stats, "show tool stats"), |
d303e85a | 2851 | OPT_STRING('e', "expr", &ev_qualifier_str, "expr", "list of syscalls to trace"), |
c24ff998 | 2852 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
6810fc91 | 2853 | OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"), |
514f1c67 ACM |
2854 | OPT_STRING('p', "pid", &trace.opts.target.pid, "pid", |
2855 | "trace events on existing process id"), | |
ac9be8ee | 2856 | OPT_STRING('t', "tid", &trace.opts.target.tid, "tid", |
514f1c67 | 2857 | "trace events on existing thread id"), |
fa0e4ffe ACM |
2858 | OPT_CALLBACK(0, "filter-pids", &trace, "CSV list of pids", |
2859 | "pids to filter (by the kernel)", trace__set_filter_pids), | |
ac9be8ee | 2860 | OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide, |
514f1c67 | 2861 | "system-wide collection from all CPUs"), |
ac9be8ee | 2862 | OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu", |
514f1c67 | 2863 | "list of cpus to monitor"), |
6810fc91 | 2864 | OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit, |
514f1c67 | 2865 | "child tasks do not inherit counters"), |
994a1f78 JO |
2866 | OPT_CALLBACK('m', "mmap-pages", &trace.opts.mmap_pages, "pages", |
2867 | "number of mmap data pages", | |
2868 | perf_evlist__parse_mmap_pages), | |
ac9be8ee | 2869 | OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user", |
514f1c67 | 2870 | "user to profile"), |
ae9ed035 ACM |
2871 | OPT_CALLBACK(0, "duration", &trace, "float", |
2872 | "show only events with duration > N.M ms", | |
2873 | trace__set_duration), | |
1302d88e | 2874 | OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"), |
7c304ee0 | 2875 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
4bb09192 DA |
2876 | OPT_BOOLEAN('T', "time", &trace.full_time, |
2877 | "Show full timestamp, not time relative to first start"), | |
fd2eabaf DA |
2878 | OPT_BOOLEAN('s', "summary", &trace.summary_only, |
2879 | "Show only syscall summary with statistics"), | |
2880 | OPT_BOOLEAN('S', "with-summary", &trace.summary, | |
2881 | "Show all syscalls and summary with statistics"), | |
598d02c5 SF |
2882 | OPT_CALLBACK_DEFAULT('F', "pf", &trace.trace_pgfaults, "all|maj|min", |
2883 | "Trace pagefaults", parse_pagefaults, "maj"), | |
e281a960 | 2884 | OPT_BOOLEAN(0, "syscalls", &trace.trace_syscalls, "Trace syscalls"), |
e366a6d8 | 2885 | OPT_BOOLEAN('f', "force", &trace.force, "don't complain, do it"), |
9d9cad76 KL |
2886 | OPT_UINTEGER(0, "proc-map-timeout", &trace.opts.proc_map_timeout, |
2887 | "per thread proc mmap processing timeout in ms"), | |
514f1c67 ACM |
2888 | OPT_END() |
2889 | }; | |
6fdd9cb7 | 2890 | const char * const trace_subcommands[] = { "record", NULL }; |
514f1c67 | 2891 | int err; |
32caf0d1 | 2892 | char bf[BUFSIZ]; |
514f1c67 | 2893 | |
4d08cb80 ACM |
2894 | signal(SIGSEGV, sighandler_dump_stack); |
2895 | signal(SIGFPE, sighandler_dump_stack); | |
2896 | ||
14a052df | 2897 | trace.evlist = perf_evlist__new(); |
14a052df ACM |
2898 | |
2899 | if (trace.evlist == NULL) { | |
2900 | pr_err("Not enough memory to run!\n"); | |
ff8f695c | 2901 | err = -ENOMEM; |
14a052df ACM |
2902 | goto out; |
2903 | } | |
2904 | ||
6fdd9cb7 YS |
2905 | argc = parse_options_subcommand(argc, argv, trace_options, trace_subcommands, |
2906 | trace_usage, PARSE_OPT_STOP_AT_NON_OPTION); | |
fd2eabaf | 2907 | |
598d02c5 SF |
2908 | if (trace.trace_pgfaults) { |
2909 | trace.opts.sample_address = true; | |
2910 | trace.opts.sample_time = true; | |
2911 | } | |
2912 | ||
14a052df ACM |
2913 | if (trace.evlist->nr_entries > 0) |
2914 | evlist__set_evsel_handler(trace.evlist, trace__event_handler); | |
2915 | ||
1e28fe0a SF |
2916 | if ((argc >= 1) && (strcmp(argv[0], "record") == 0)) |
2917 | return trace__record(&trace, argc-1, &argv[1]); | |
2918 | ||
2919 | /* summary_only implies summary option, but don't overwrite summary if set */ | |
2920 | if (trace.summary_only) | |
2921 | trace.summary = trace.summary_only; | |
2922 | ||
726f3234 ACM |
2923 | if (!trace.trace_syscalls && !trace.trace_pgfaults && |
2924 | trace.evlist->nr_entries == 0 /* Was --events used? */) { | |
e281a960 SF |
2925 | pr_err("Please specify something to trace.\n"); |
2926 | return -1; | |
2927 | } | |
2928 | ||
c24ff998 ACM |
2929 | if (output_name != NULL) { |
2930 | err = trace__open_output(&trace, output_name); | |
2931 | if (err < 0) { | |
2932 | perror("failed to create output file"); | |
2933 | goto out; | |
2934 | } | |
2935 | } | |
2936 | ||
2ae3a312 | 2937 | if (ev_qualifier_str != NULL) { |
b059efdf | 2938 | const char *s = ev_qualifier_str; |
005438a8 ACM |
2939 | struct strlist_config slist_config = { |
2940 | .dirname = system_path(STRACE_GROUPS_DIR), | |
2941 | }; | |
b059efdf ACM |
2942 | |
2943 | trace.not_ev_qualifier = *s == '!'; | |
2944 | if (trace.not_ev_qualifier) | |
2945 | ++s; | |
005438a8 | 2946 | trace.ev_qualifier = strlist__new(s, &slist_config); |
2ae3a312 | 2947 | if (trace.ev_qualifier == NULL) { |
c24ff998 ACM |
2948 | fputs("Not enough memory to parse event qualifier", |
2949 | trace.output); | |
2950 | err = -ENOMEM; | |
2951 | goto out_close; | |
2ae3a312 | 2952 | } |
d0cc439b ACM |
2953 | |
2954 | err = trace__validate_ev_qualifier(&trace); | |
2955 | if (err) | |
2956 | goto out_close; | |
2ae3a312 ACM |
2957 | } |
2958 | ||
602ad878 | 2959 | err = target__validate(&trace.opts.target); |
32caf0d1 | 2960 | if (err) { |
602ad878 | 2961 | target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
c24ff998 ACM |
2962 | fprintf(trace.output, "%s", bf); |
2963 | goto out_close; | |
32caf0d1 NK |
2964 | } |
2965 | ||
602ad878 | 2966 | err = target__parse_uid(&trace.opts.target); |
514f1c67 | 2967 | if (err) { |
602ad878 | 2968 | target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
c24ff998 ACM |
2969 | fprintf(trace.output, "%s", bf); |
2970 | goto out_close; | |
514f1c67 ACM |
2971 | } |
2972 | ||
602ad878 | 2973 | if (!argc && target__none(&trace.opts.target)) |
ee76120e NK |
2974 | trace.opts.target.system_wide = true; |
2975 | ||
6810fc91 DA |
2976 | if (input_name) |
2977 | err = trace__replay(&trace); | |
2978 | else | |
2979 | err = trace__run(&trace, argc, argv); | |
1302d88e | 2980 | |
c24ff998 ACM |
2981 | out_close: |
2982 | if (output_name != NULL) | |
2983 | fclose(trace.output); | |
2984 | out: | |
1302d88e | 2985 | return err; |
514f1c67 | 2986 | } |