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" |
752fde44 | 6 | #include "util/machine.h" |
6810fc91 | 7 | #include "util/session.h" |
752fde44 | 8 | #include "util/thread.h" |
514f1c67 | 9 | #include "util/parse-options.h" |
2ae3a312 | 10 | #include "util/strlist.h" |
bdc89661 | 11 | #include "util/intlist.h" |
514f1c67 | 12 | #include "util/thread_map.h" |
bf2575c1 | 13 | #include "util/stat.h" |
97978b3e | 14 | #include "trace-event.h" |
9aca7f17 | 15 | #include "util/parse-events.h" |
514f1c67 ACM |
16 | |
17 | #include <libaudit.h> | |
18 | #include <stdlib.h> | |
49af9e93 | 19 | #include <sys/eventfd.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 | ||
77170988 ACM |
44 | struct tp_field { |
45 | int offset; | |
46 | union { | |
47 | u64 (*integer)(struct tp_field *field, struct perf_sample *sample); | |
48 | void *(*pointer)(struct tp_field *field, struct perf_sample *sample); | |
49 | }; | |
50 | }; | |
51 | ||
52 | #define TP_UINT_FIELD(bits) \ | |
53 | static u64 tp_field__u##bits(struct tp_field *field, struct perf_sample *sample) \ | |
54 | { \ | |
55d43bca DA |
55 | u##bits value; \ |
56 | memcpy(&value, sample->raw_data + field->offset, sizeof(value)); \ | |
57 | return value; \ | |
77170988 ACM |
58 | } |
59 | ||
60 | TP_UINT_FIELD(8); | |
61 | TP_UINT_FIELD(16); | |
62 | TP_UINT_FIELD(32); | |
63 | TP_UINT_FIELD(64); | |
64 | ||
65 | #define TP_UINT_FIELD__SWAPPED(bits) \ | |
66 | static u64 tp_field__swapped_u##bits(struct tp_field *field, struct perf_sample *sample) \ | |
67 | { \ | |
55d43bca DA |
68 | u##bits value; \ |
69 | memcpy(&value, sample->raw_data + field->offset, sizeof(value)); \ | |
77170988 ACM |
70 | return bswap_##bits(value);\ |
71 | } | |
72 | ||
73 | TP_UINT_FIELD__SWAPPED(16); | |
74 | TP_UINT_FIELD__SWAPPED(32); | |
75 | TP_UINT_FIELD__SWAPPED(64); | |
76 | ||
77 | static int tp_field__init_uint(struct tp_field *field, | |
78 | struct format_field *format_field, | |
79 | bool needs_swap) | |
80 | { | |
81 | field->offset = format_field->offset; | |
82 | ||
83 | switch (format_field->size) { | |
84 | case 1: | |
85 | field->integer = tp_field__u8; | |
86 | break; | |
87 | case 2: | |
88 | field->integer = needs_swap ? tp_field__swapped_u16 : tp_field__u16; | |
89 | break; | |
90 | case 4: | |
91 | field->integer = needs_swap ? tp_field__swapped_u32 : tp_field__u32; | |
92 | break; | |
93 | case 8: | |
94 | field->integer = needs_swap ? tp_field__swapped_u64 : tp_field__u64; | |
95 | break; | |
96 | default: | |
97 | return -1; | |
98 | } | |
99 | ||
100 | return 0; | |
101 | } | |
102 | ||
103 | static void *tp_field__ptr(struct tp_field *field, struct perf_sample *sample) | |
104 | { | |
105 | return sample->raw_data + field->offset; | |
106 | } | |
107 | ||
108 | static int tp_field__init_ptr(struct tp_field *field, struct format_field *format_field) | |
109 | { | |
110 | field->offset = format_field->offset; | |
111 | field->pointer = tp_field__ptr; | |
112 | return 0; | |
113 | } | |
114 | ||
115 | struct syscall_tp { | |
116 | struct tp_field id; | |
117 | union { | |
118 | struct tp_field args, ret; | |
119 | }; | |
120 | }; | |
121 | ||
122 | static int perf_evsel__init_tp_uint_field(struct perf_evsel *evsel, | |
123 | struct tp_field *field, | |
124 | const char *name) | |
125 | { | |
126 | struct format_field *format_field = perf_evsel__field(evsel, name); | |
127 | ||
128 | if (format_field == NULL) | |
129 | return -1; | |
130 | ||
131 | return tp_field__init_uint(field, format_field, evsel->needs_swap); | |
132 | } | |
133 | ||
134 | #define perf_evsel__init_sc_tp_uint_field(evsel, name) \ | |
135 | ({ struct syscall_tp *sc = evsel->priv;\ | |
136 | perf_evsel__init_tp_uint_field(evsel, &sc->name, #name); }) | |
137 | ||
138 | static int perf_evsel__init_tp_ptr_field(struct perf_evsel *evsel, | |
139 | struct tp_field *field, | |
140 | const char *name) | |
141 | { | |
142 | struct format_field *format_field = perf_evsel__field(evsel, name); | |
143 | ||
144 | if (format_field == NULL) | |
145 | return -1; | |
146 | ||
147 | return tp_field__init_ptr(field, format_field); | |
148 | } | |
149 | ||
150 | #define perf_evsel__init_sc_tp_ptr_field(evsel, name) \ | |
151 | ({ struct syscall_tp *sc = evsel->priv;\ | |
152 | perf_evsel__init_tp_ptr_field(evsel, &sc->name, #name); }) | |
153 | ||
154 | static void perf_evsel__delete_priv(struct perf_evsel *evsel) | |
155 | { | |
04662523 | 156 | zfree(&evsel->priv); |
77170988 ACM |
157 | perf_evsel__delete(evsel); |
158 | } | |
159 | ||
96695d44 NK |
160 | static int perf_evsel__init_syscall_tp(struct perf_evsel *evsel, void *handler) |
161 | { | |
162 | evsel->priv = malloc(sizeof(struct syscall_tp)); | |
163 | if (evsel->priv != NULL) { | |
164 | if (perf_evsel__init_sc_tp_uint_field(evsel, id)) | |
165 | goto out_delete; | |
166 | ||
167 | evsel->handler = handler; | |
168 | return 0; | |
169 | } | |
170 | ||
171 | return -ENOMEM; | |
172 | ||
173 | out_delete: | |
04662523 | 174 | zfree(&evsel->priv); |
96695d44 NK |
175 | return -ENOENT; |
176 | } | |
177 | ||
ef503831 | 178 | static struct perf_evsel *perf_evsel__syscall_newtp(const char *direction, void *handler) |
77170988 | 179 | { |
ef503831 | 180 | struct perf_evsel *evsel = perf_evsel__newtp("raw_syscalls", direction); |
77170988 | 181 | |
9aca7f17 DA |
182 | /* older kernel (e.g., RHEL6) use syscalls:{enter,exit} */ |
183 | if (evsel == NULL) | |
184 | evsel = perf_evsel__newtp("syscalls", direction); | |
185 | ||
77170988 | 186 | if (evsel) { |
96695d44 | 187 | if (perf_evsel__init_syscall_tp(evsel, handler)) |
77170988 | 188 | goto out_delete; |
77170988 ACM |
189 | } |
190 | ||
191 | return evsel; | |
192 | ||
193 | out_delete: | |
194 | perf_evsel__delete_priv(evsel); | |
195 | return NULL; | |
196 | } | |
197 | ||
198 | #define perf_evsel__sc_tp_uint(evsel, name, sample) \ | |
199 | ({ struct syscall_tp *fields = evsel->priv; \ | |
200 | fields->name.integer(&fields->name, sample); }) | |
201 | ||
202 | #define perf_evsel__sc_tp_ptr(evsel, name, sample) \ | |
203 | ({ struct syscall_tp *fields = evsel->priv; \ | |
204 | fields->name.pointer(&fields->name, sample); }) | |
205 | ||
206 | static int perf_evlist__add_syscall_newtp(struct perf_evlist *evlist, | |
207 | void *sys_enter_handler, | |
208 | void *sys_exit_handler) | |
209 | { | |
210 | int ret = -1; | |
77170988 ACM |
211 | struct perf_evsel *sys_enter, *sys_exit; |
212 | ||
ef503831 | 213 | sys_enter = perf_evsel__syscall_newtp("sys_enter", sys_enter_handler); |
77170988 ACM |
214 | if (sys_enter == NULL) |
215 | goto out; | |
216 | ||
217 | if (perf_evsel__init_sc_tp_ptr_field(sys_enter, args)) | |
218 | goto out_delete_sys_enter; | |
219 | ||
ef503831 | 220 | sys_exit = perf_evsel__syscall_newtp("sys_exit", sys_exit_handler); |
77170988 ACM |
221 | if (sys_exit == NULL) |
222 | goto out_delete_sys_enter; | |
223 | ||
224 | if (perf_evsel__init_sc_tp_uint_field(sys_exit, ret)) | |
225 | goto out_delete_sys_exit; | |
226 | ||
227 | perf_evlist__add(evlist, sys_enter); | |
228 | perf_evlist__add(evlist, sys_exit); | |
229 | ||
230 | ret = 0; | |
231 | out: | |
232 | return ret; | |
233 | ||
234 | out_delete_sys_exit: | |
235 | perf_evsel__delete_priv(sys_exit); | |
236 | out_delete_sys_enter: | |
237 | perf_evsel__delete_priv(sys_enter); | |
238 | goto out; | |
239 | } | |
240 | ||
241 | ||
01533e97 ACM |
242 | struct syscall_arg { |
243 | unsigned long val; | |
75b757ca ACM |
244 | struct thread *thread; |
245 | struct trace *trace; | |
1f115cb7 | 246 | void *parm; |
01533e97 ACM |
247 | u8 idx; |
248 | u8 mask; | |
249 | }; | |
250 | ||
1f115cb7 | 251 | struct strarray { |
03e3adc9 | 252 | int offset; |
1f115cb7 ACM |
253 | int nr_entries; |
254 | const char **entries; | |
255 | }; | |
256 | ||
257 | #define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \ | |
258 | .nr_entries = ARRAY_SIZE(array), \ | |
259 | .entries = array, \ | |
260 | } | |
261 | ||
03e3adc9 ACM |
262 | #define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \ |
263 | .offset = off, \ | |
264 | .nr_entries = ARRAY_SIZE(array), \ | |
265 | .entries = array, \ | |
266 | } | |
267 | ||
975b7c2f ACM |
268 | static size_t __syscall_arg__scnprintf_strarray(char *bf, size_t size, |
269 | const char *intfmt, | |
270 | struct syscall_arg *arg) | |
1f115cb7 | 271 | { |
1f115cb7 | 272 | struct strarray *sa = arg->parm; |
03e3adc9 | 273 | int idx = arg->val - sa->offset; |
1f115cb7 ACM |
274 | |
275 | if (idx < 0 || idx >= sa->nr_entries) | |
975b7c2f | 276 | return scnprintf(bf, size, intfmt, arg->val); |
1f115cb7 ACM |
277 | |
278 | return scnprintf(bf, size, "%s", sa->entries[idx]); | |
279 | } | |
280 | ||
975b7c2f ACM |
281 | static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size, |
282 | struct syscall_arg *arg) | |
283 | { | |
284 | return __syscall_arg__scnprintf_strarray(bf, size, "%d", arg); | |
285 | } | |
286 | ||
1f115cb7 ACM |
287 | #define SCA_STRARRAY syscall_arg__scnprintf_strarray |
288 | ||
844ae5b4 ACM |
289 | #if defined(__i386__) || defined(__x86_64__) |
290 | /* | |
291 | * FIXME: Make this available to all arches as soon as the ioctl beautifier | |
292 | * gets rewritten to support all arches. | |
293 | */ | |
78645cf3 ACM |
294 | static size_t syscall_arg__scnprintf_strhexarray(char *bf, size_t size, |
295 | struct syscall_arg *arg) | |
296 | { | |
297 | return __syscall_arg__scnprintf_strarray(bf, size, "%#x", arg); | |
298 | } | |
299 | ||
300 | #define SCA_STRHEXARRAY syscall_arg__scnprintf_strhexarray | |
844ae5b4 | 301 | #endif /* defined(__i386__) || defined(__x86_64__) */ |
78645cf3 | 302 | |
75b757ca ACM |
303 | static size_t syscall_arg__scnprintf_fd(char *bf, size_t size, |
304 | struct syscall_arg *arg); | |
305 | ||
306 | #define SCA_FD syscall_arg__scnprintf_fd | |
307 | ||
308 | static size_t syscall_arg__scnprintf_fd_at(char *bf, size_t size, | |
309 | struct syscall_arg *arg) | |
310 | { | |
311 | int fd = arg->val; | |
312 | ||
313 | if (fd == AT_FDCWD) | |
314 | return scnprintf(bf, size, "CWD"); | |
315 | ||
316 | return syscall_arg__scnprintf_fd(bf, size, arg); | |
317 | } | |
318 | ||
319 | #define SCA_FDAT syscall_arg__scnprintf_fd_at | |
320 | ||
321 | static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size, | |
322 | struct syscall_arg *arg); | |
323 | ||
324 | #define SCA_CLOSE_FD syscall_arg__scnprintf_close_fd | |
325 | ||
6e7eeb51 | 326 | static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, |
01533e97 | 327 | struct syscall_arg *arg) |
13d4ff3e | 328 | { |
01533e97 | 329 | return scnprintf(bf, size, "%#lx", arg->val); |
13d4ff3e ACM |
330 | } |
331 | ||
beccb2b5 ACM |
332 | #define SCA_HEX syscall_arg__scnprintf_hex |
333 | ||
6e7eeb51 | 334 | static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, |
01533e97 | 335 | struct syscall_arg *arg) |
ae685380 | 336 | { |
01533e97 | 337 | int printed = 0, prot = arg->val; |
ae685380 ACM |
338 | |
339 | if (prot == PROT_NONE) | |
340 | return scnprintf(bf, size, "NONE"); | |
341 | #define P_MMAP_PROT(n) \ | |
342 | if (prot & PROT_##n) { \ | |
343 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
344 | prot &= ~PROT_##n; \ | |
345 | } | |
346 | ||
347 | P_MMAP_PROT(EXEC); | |
348 | P_MMAP_PROT(READ); | |
349 | P_MMAP_PROT(WRITE); | |
350 | #ifdef PROT_SEM | |
351 | P_MMAP_PROT(SEM); | |
352 | #endif | |
353 | P_MMAP_PROT(GROWSDOWN); | |
354 | P_MMAP_PROT(GROWSUP); | |
355 | #undef P_MMAP_PROT | |
356 | ||
357 | if (prot) | |
358 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot); | |
359 | ||
360 | return printed; | |
361 | } | |
362 | ||
363 | #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot | |
364 | ||
6e7eeb51 | 365 | static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, |
01533e97 | 366 | struct syscall_arg *arg) |
941557e0 | 367 | { |
01533e97 | 368 | int printed = 0, flags = arg->val; |
941557e0 ACM |
369 | |
370 | #define P_MMAP_FLAG(n) \ | |
371 | if (flags & MAP_##n) { \ | |
372 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
373 | flags &= ~MAP_##n; \ | |
374 | } | |
375 | ||
376 | P_MMAP_FLAG(SHARED); | |
377 | P_MMAP_FLAG(PRIVATE); | |
41817815 | 378 | #ifdef MAP_32BIT |
941557e0 | 379 | P_MMAP_FLAG(32BIT); |
41817815 | 380 | #endif |
941557e0 ACM |
381 | P_MMAP_FLAG(ANONYMOUS); |
382 | P_MMAP_FLAG(DENYWRITE); | |
383 | P_MMAP_FLAG(EXECUTABLE); | |
384 | P_MMAP_FLAG(FILE); | |
385 | P_MMAP_FLAG(FIXED); | |
386 | P_MMAP_FLAG(GROWSDOWN); | |
f2935f3e | 387 | #ifdef MAP_HUGETLB |
941557e0 | 388 | P_MMAP_FLAG(HUGETLB); |
f2935f3e | 389 | #endif |
941557e0 ACM |
390 | P_MMAP_FLAG(LOCKED); |
391 | P_MMAP_FLAG(NONBLOCK); | |
392 | P_MMAP_FLAG(NORESERVE); | |
393 | P_MMAP_FLAG(POPULATE); | |
394 | P_MMAP_FLAG(STACK); | |
395 | #ifdef MAP_UNINITIALIZED | |
396 | P_MMAP_FLAG(UNINITIALIZED); | |
397 | #endif | |
398 | #undef P_MMAP_FLAG | |
399 | ||
400 | if (flags) | |
401 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
402 | ||
403 | return printed; | |
404 | } | |
405 | ||
406 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags | |
407 | ||
86998dda AS |
408 | static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size, |
409 | struct syscall_arg *arg) | |
410 | { | |
411 | int printed = 0, flags = arg->val; | |
412 | ||
413 | #define P_MREMAP_FLAG(n) \ | |
414 | if (flags & MREMAP_##n) { \ | |
415 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
416 | flags &= ~MREMAP_##n; \ | |
417 | } | |
418 | ||
419 | P_MREMAP_FLAG(MAYMOVE); | |
420 | #ifdef MREMAP_FIXED | |
421 | P_MREMAP_FLAG(FIXED); | |
422 | #endif | |
423 | #undef P_MREMAP_FLAG | |
424 | ||
425 | if (flags) | |
426 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
427 | ||
428 | return printed; | |
429 | } | |
430 | ||
431 | #define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags | |
432 | ||
6e7eeb51 | 433 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, |
01533e97 | 434 | struct syscall_arg *arg) |
9e9716d1 | 435 | { |
01533e97 | 436 | int behavior = arg->val; |
9e9716d1 ACM |
437 | |
438 | switch (behavior) { | |
439 | #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) | |
440 | P_MADV_BHV(NORMAL); | |
441 | P_MADV_BHV(RANDOM); | |
442 | P_MADV_BHV(SEQUENTIAL); | |
443 | P_MADV_BHV(WILLNEED); | |
444 | P_MADV_BHV(DONTNEED); | |
445 | P_MADV_BHV(REMOVE); | |
446 | P_MADV_BHV(DONTFORK); | |
447 | P_MADV_BHV(DOFORK); | |
448 | P_MADV_BHV(HWPOISON); | |
449 | #ifdef MADV_SOFT_OFFLINE | |
450 | P_MADV_BHV(SOFT_OFFLINE); | |
451 | #endif | |
452 | P_MADV_BHV(MERGEABLE); | |
453 | P_MADV_BHV(UNMERGEABLE); | |
f2935f3e | 454 | #ifdef MADV_HUGEPAGE |
9e9716d1 | 455 | P_MADV_BHV(HUGEPAGE); |
f2935f3e DA |
456 | #endif |
457 | #ifdef MADV_NOHUGEPAGE | |
9e9716d1 | 458 | P_MADV_BHV(NOHUGEPAGE); |
f2935f3e | 459 | #endif |
9e9716d1 ACM |
460 | #ifdef MADV_DONTDUMP |
461 | P_MADV_BHV(DONTDUMP); | |
462 | #endif | |
463 | #ifdef MADV_DODUMP | |
464 | P_MADV_BHV(DODUMP); | |
465 | #endif | |
466 | #undef P_MADV_PHV | |
467 | default: break; | |
468 | } | |
469 | ||
470 | return scnprintf(bf, size, "%#x", behavior); | |
471 | } | |
472 | ||
473 | #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior | |
474 | ||
5cea6ff2 ACM |
475 | static size_t syscall_arg__scnprintf_flock(char *bf, size_t size, |
476 | struct syscall_arg *arg) | |
477 | { | |
478 | int printed = 0, op = arg->val; | |
479 | ||
480 | if (op == 0) | |
481 | return scnprintf(bf, size, "NONE"); | |
482 | #define P_CMD(cmd) \ | |
483 | if ((op & LOCK_##cmd) == LOCK_##cmd) { \ | |
484 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \ | |
485 | op &= ~LOCK_##cmd; \ | |
486 | } | |
487 | ||
488 | P_CMD(SH); | |
489 | P_CMD(EX); | |
490 | P_CMD(NB); | |
491 | P_CMD(UN); | |
492 | P_CMD(MAND); | |
493 | P_CMD(RW); | |
494 | P_CMD(READ); | |
495 | P_CMD(WRITE); | |
496 | #undef P_OP | |
497 | ||
498 | if (op) | |
499 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op); | |
500 | ||
501 | return printed; | |
502 | } | |
503 | ||
504 | #define SCA_FLOCK syscall_arg__scnprintf_flock | |
505 | ||
01533e97 | 506 | static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg) |
f9da0b0c ACM |
507 | { |
508 | enum syscall_futex_args { | |
509 | SCF_UADDR = (1 << 0), | |
510 | SCF_OP = (1 << 1), | |
511 | SCF_VAL = (1 << 2), | |
512 | SCF_TIMEOUT = (1 << 3), | |
513 | SCF_UADDR2 = (1 << 4), | |
514 | SCF_VAL3 = (1 << 5), | |
515 | }; | |
01533e97 | 516 | int op = arg->val; |
f9da0b0c ACM |
517 | int cmd = op & FUTEX_CMD_MASK; |
518 | size_t printed = 0; | |
519 | ||
520 | switch (cmd) { | |
521 | #define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, #n); | |
01533e97 ACM |
522 | P_FUTEX_OP(WAIT); arg->mask |= SCF_VAL3|SCF_UADDR2; break; |
523 | P_FUTEX_OP(WAKE); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
524 | P_FUTEX_OP(FD); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
525 | P_FUTEX_OP(REQUEUE); arg->mask |= SCF_VAL3|SCF_TIMEOUT; break; | |
526 | P_FUTEX_OP(CMP_REQUEUE); arg->mask |= SCF_TIMEOUT; break; | |
527 | P_FUTEX_OP(CMP_REQUEUE_PI); arg->mask |= SCF_TIMEOUT; break; | |
f9da0b0c | 528 | P_FUTEX_OP(WAKE_OP); break; |
01533e97 ACM |
529 | P_FUTEX_OP(LOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; |
530 | P_FUTEX_OP(UNLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
531 | P_FUTEX_OP(TRYLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2; break; | |
532 | P_FUTEX_OP(WAIT_BITSET); arg->mask |= SCF_UADDR2; break; | |
533 | P_FUTEX_OP(WAKE_BITSET); arg->mask |= SCF_UADDR2; break; | |
f9da0b0c ACM |
534 | P_FUTEX_OP(WAIT_REQUEUE_PI); break; |
535 | default: printed = scnprintf(bf, size, "%#x", cmd); break; | |
536 | } | |
537 | ||
538 | if (op & FUTEX_PRIVATE_FLAG) | |
539 | printed += scnprintf(bf + printed, size - printed, "|PRIV"); | |
540 | ||
541 | if (op & FUTEX_CLOCK_REALTIME) | |
542 | printed += scnprintf(bf + printed, size - printed, "|CLKRT"); | |
543 | ||
544 | return printed; | |
545 | } | |
546 | ||
efe6b882 ACM |
547 | #define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op |
548 | ||
03e3adc9 ACM |
549 | static const char *epoll_ctl_ops[] = { "ADD", "DEL", "MOD", }; |
550 | static DEFINE_STRARRAY_OFFSET(epoll_ctl_ops, 1); | |
eac032c5 | 551 | |
1f115cb7 ACM |
552 | static const char *itimers[] = { "REAL", "VIRTUAL", "PROF", }; |
553 | static DEFINE_STRARRAY(itimers); | |
554 | ||
efe6b882 ACM |
555 | static const char *whences[] = { "SET", "CUR", "END", |
556 | #ifdef SEEK_DATA | |
557 | "DATA", | |
558 | #endif | |
559 | #ifdef SEEK_HOLE | |
560 | "HOLE", | |
561 | #endif | |
562 | }; | |
563 | static DEFINE_STRARRAY(whences); | |
f9da0b0c | 564 | |
80f587d5 ACM |
565 | static const char *fcntl_cmds[] = { |
566 | "DUPFD", "GETFD", "SETFD", "GETFL", "SETFL", "GETLK", "SETLK", | |
567 | "SETLKW", "SETOWN", "GETOWN", "SETSIG", "GETSIG", "F_GETLK64", | |
568 | "F_SETLK64", "F_SETLKW64", "F_SETOWN_EX", "F_GETOWN_EX", | |
569 | "F_GETOWNER_UIDS", | |
570 | }; | |
571 | static DEFINE_STRARRAY(fcntl_cmds); | |
572 | ||
c045bf02 ACM |
573 | static const char *rlimit_resources[] = { |
574 | "CPU", "FSIZE", "DATA", "STACK", "CORE", "RSS", "NPROC", "NOFILE", | |
575 | "MEMLOCK", "AS", "LOCKS", "SIGPENDING", "MSGQUEUE", "NICE", "RTPRIO", | |
576 | "RTTIME", | |
577 | }; | |
578 | static DEFINE_STRARRAY(rlimit_resources); | |
579 | ||
eb5b1b14 ACM |
580 | static const char *sighow[] = { "BLOCK", "UNBLOCK", "SETMASK", }; |
581 | static DEFINE_STRARRAY(sighow); | |
582 | ||
4f8c1b74 DA |
583 | static const char *clockid[] = { |
584 | "REALTIME", "MONOTONIC", "PROCESS_CPUTIME_ID", "THREAD_CPUTIME_ID", | |
585 | "MONOTONIC_RAW", "REALTIME_COARSE", "MONOTONIC_COARSE", | |
586 | }; | |
587 | static DEFINE_STRARRAY(clockid); | |
588 | ||
e10bce81 ACM |
589 | static const char *socket_families[] = { |
590 | "UNSPEC", "LOCAL", "INET", "AX25", "IPX", "APPLETALK", "NETROM", | |
591 | "BRIDGE", "ATMPVC", "X25", "INET6", "ROSE", "DECnet", "NETBEUI", | |
592 | "SECURITY", "KEY", "NETLINK", "PACKET", "ASH", "ECONET", "ATMSVC", | |
593 | "RDS", "SNA", "IRDA", "PPPOX", "WANPIPE", "LLC", "IB", "CAN", "TIPC", | |
594 | "BLUETOOTH", "IUCV", "RXRPC", "ISDN", "PHONET", "IEEE802154", "CAIF", | |
595 | "ALG", "NFC", "VSOCK", | |
596 | }; | |
597 | static DEFINE_STRARRAY(socket_families); | |
598 | ||
a28b24b2 ACM |
599 | #ifndef SOCK_TYPE_MASK |
600 | #define SOCK_TYPE_MASK 0xf | |
601 | #endif | |
602 | ||
603 | static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size, | |
604 | struct syscall_arg *arg) | |
605 | { | |
606 | size_t printed; | |
607 | int type = arg->val, | |
608 | flags = type & ~SOCK_TYPE_MASK; | |
609 | ||
610 | type &= SOCK_TYPE_MASK; | |
611 | /* | |
612 | * Can't use a strarray, MIPS may override for ABI reasons. | |
613 | */ | |
614 | switch (type) { | |
615 | #define P_SK_TYPE(n) case SOCK_##n: printed = scnprintf(bf, size, #n); break; | |
616 | P_SK_TYPE(STREAM); | |
617 | P_SK_TYPE(DGRAM); | |
618 | P_SK_TYPE(RAW); | |
619 | P_SK_TYPE(RDM); | |
620 | P_SK_TYPE(SEQPACKET); | |
621 | P_SK_TYPE(DCCP); | |
622 | P_SK_TYPE(PACKET); | |
623 | #undef P_SK_TYPE | |
624 | default: | |
625 | printed = scnprintf(bf, size, "%#x", type); | |
626 | } | |
627 | ||
628 | #define P_SK_FLAG(n) \ | |
629 | if (flags & SOCK_##n) { \ | |
630 | printed += scnprintf(bf + printed, size - printed, "|%s", #n); \ | |
631 | flags &= ~SOCK_##n; \ | |
632 | } | |
633 | ||
634 | P_SK_FLAG(CLOEXEC); | |
635 | P_SK_FLAG(NONBLOCK); | |
636 | #undef P_SK_FLAG | |
637 | ||
638 | if (flags) | |
639 | printed += scnprintf(bf + printed, size - printed, "|%#x", flags); | |
640 | ||
641 | return printed; | |
642 | } | |
643 | ||
644 | #define SCA_SK_TYPE syscall_arg__scnprintf_socket_type | |
645 | ||
b2cc99fd ACM |
646 | #ifndef MSG_PROBE |
647 | #define MSG_PROBE 0x10 | |
648 | #endif | |
b6e8f8f4 DA |
649 | #ifndef MSG_WAITFORONE |
650 | #define MSG_WAITFORONE 0x10000 | |
651 | #endif | |
b2cc99fd ACM |
652 | #ifndef MSG_SENDPAGE_NOTLAST |
653 | #define MSG_SENDPAGE_NOTLAST 0x20000 | |
654 | #endif | |
655 | #ifndef MSG_FASTOPEN | |
656 | #define MSG_FASTOPEN 0x20000000 | |
657 | #endif | |
658 | ||
659 | static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size, | |
660 | struct syscall_arg *arg) | |
661 | { | |
662 | int printed = 0, flags = arg->val; | |
663 | ||
664 | if (flags == 0) | |
665 | return scnprintf(bf, size, "NONE"); | |
666 | #define P_MSG_FLAG(n) \ | |
667 | if (flags & MSG_##n) { \ | |
668 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
669 | flags &= ~MSG_##n; \ | |
670 | } | |
671 | ||
672 | P_MSG_FLAG(OOB); | |
673 | P_MSG_FLAG(PEEK); | |
674 | P_MSG_FLAG(DONTROUTE); | |
675 | P_MSG_FLAG(TRYHARD); | |
676 | P_MSG_FLAG(CTRUNC); | |
677 | P_MSG_FLAG(PROBE); | |
678 | P_MSG_FLAG(TRUNC); | |
679 | P_MSG_FLAG(DONTWAIT); | |
680 | P_MSG_FLAG(EOR); | |
681 | P_MSG_FLAG(WAITALL); | |
682 | P_MSG_FLAG(FIN); | |
683 | P_MSG_FLAG(SYN); | |
684 | P_MSG_FLAG(CONFIRM); | |
685 | P_MSG_FLAG(RST); | |
686 | P_MSG_FLAG(ERRQUEUE); | |
687 | P_MSG_FLAG(NOSIGNAL); | |
688 | P_MSG_FLAG(MORE); | |
689 | P_MSG_FLAG(WAITFORONE); | |
690 | P_MSG_FLAG(SENDPAGE_NOTLAST); | |
691 | P_MSG_FLAG(FASTOPEN); | |
692 | P_MSG_FLAG(CMSG_CLOEXEC); | |
693 | #undef P_MSG_FLAG | |
694 | ||
695 | if (flags) | |
696 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
697 | ||
698 | return printed; | |
699 | } | |
700 | ||
701 | #define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags | |
702 | ||
51108999 ACM |
703 | static size_t syscall_arg__scnprintf_access_mode(char *bf, size_t size, |
704 | struct syscall_arg *arg) | |
705 | { | |
706 | size_t printed = 0; | |
707 | int mode = arg->val; | |
708 | ||
709 | if (mode == F_OK) /* 0 */ | |
710 | return scnprintf(bf, size, "F"); | |
711 | #define P_MODE(n) \ | |
712 | if (mode & n##_OK) { \ | |
713 | printed += scnprintf(bf + printed, size - printed, "%s", #n); \ | |
714 | mode &= ~n##_OK; \ | |
715 | } | |
716 | ||
717 | P_MODE(R); | |
718 | P_MODE(W); | |
719 | P_MODE(X); | |
720 | #undef P_MODE | |
721 | ||
722 | if (mode) | |
723 | printed += scnprintf(bf + printed, size - printed, "|%#x", mode); | |
724 | ||
725 | return printed; | |
726 | } | |
727 | ||
728 | #define SCA_ACCMODE syscall_arg__scnprintf_access_mode | |
729 | ||
be65a89a | 730 | static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, |
01533e97 | 731 | struct syscall_arg *arg) |
be65a89a | 732 | { |
01533e97 | 733 | int printed = 0, flags = arg->val; |
be65a89a ACM |
734 | |
735 | if (!(flags & O_CREAT)) | |
01533e97 | 736 | arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */ |
be65a89a ACM |
737 | |
738 | if (flags == 0) | |
739 | return scnprintf(bf, size, "RDONLY"); | |
740 | #define P_FLAG(n) \ | |
741 | if (flags & O_##n) { \ | |
742 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
743 | flags &= ~O_##n; \ | |
744 | } | |
745 | ||
746 | P_FLAG(APPEND); | |
747 | P_FLAG(ASYNC); | |
748 | P_FLAG(CLOEXEC); | |
749 | P_FLAG(CREAT); | |
750 | P_FLAG(DIRECT); | |
751 | P_FLAG(DIRECTORY); | |
752 | P_FLAG(EXCL); | |
753 | P_FLAG(LARGEFILE); | |
754 | P_FLAG(NOATIME); | |
755 | P_FLAG(NOCTTY); | |
756 | #ifdef O_NONBLOCK | |
757 | P_FLAG(NONBLOCK); | |
758 | #elif O_NDELAY | |
759 | P_FLAG(NDELAY); | |
760 | #endif | |
761 | #ifdef O_PATH | |
762 | P_FLAG(PATH); | |
763 | #endif | |
764 | P_FLAG(RDWR); | |
765 | #ifdef O_DSYNC | |
766 | if ((flags & O_SYNC) == O_SYNC) | |
767 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC"); | |
768 | else { | |
769 | P_FLAG(DSYNC); | |
770 | } | |
771 | #else | |
772 | P_FLAG(SYNC); | |
773 | #endif | |
774 | P_FLAG(TRUNC); | |
775 | P_FLAG(WRONLY); | |
776 | #undef P_FLAG | |
777 | ||
778 | if (flags) | |
779 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
780 | ||
781 | return printed; | |
782 | } | |
783 | ||
784 | #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags | |
785 | ||
49af9e93 ACM |
786 | static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, |
787 | struct syscall_arg *arg) | |
788 | { | |
789 | int printed = 0, flags = arg->val; | |
790 | ||
791 | if (flags == 0) | |
792 | return scnprintf(bf, size, "NONE"); | |
793 | #define P_FLAG(n) \ | |
794 | if (flags & EFD_##n) { \ | |
795 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
796 | flags &= ~EFD_##n; \ | |
797 | } | |
798 | ||
799 | P_FLAG(SEMAPHORE); | |
800 | P_FLAG(CLOEXEC); | |
801 | P_FLAG(NONBLOCK); | |
802 | #undef P_FLAG | |
803 | ||
804 | if (flags) | |
805 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
806 | ||
807 | return printed; | |
808 | } | |
809 | ||
810 | #define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags | |
811 | ||
46cce19b ACM |
812 | static size_t syscall_arg__scnprintf_pipe_flags(char *bf, size_t size, |
813 | struct syscall_arg *arg) | |
814 | { | |
815 | int printed = 0, flags = arg->val; | |
816 | ||
817 | #define P_FLAG(n) \ | |
818 | if (flags & O_##n) { \ | |
819 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
820 | flags &= ~O_##n; \ | |
821 | } | |
822 | ||
823 | P_FLAG(CLOEXEC); | |
824 | P_FLAG(NONBLOCK); | |
825 | #undef P_FLAG | |
826 | ||
827 | if (flags) | |
828 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
829 | ||
830 | return printed; | |
831 | } | |
832 | ||
833 | #define SCA_PIPE_FLAGS syscall_arg__scnprintf_pipe_flags | |
834 | ||
8bad5b0a ACM |
835 | static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg) |
836 | { | |
837 | int sig = arg->val; | |
838 | ||
839 | switch (sig) { | |
840 | #define P_SIGNUM(n) case SIG##n: return scnprintf(bf, size, #n) | |
841 | P_SIGNUM(HUP); | |
842 | P_SIGNUM(INT); | |
843 | P_SIGNUM(QUIT); | |
844 | P_SIGNUM(ILL); | |
845 | P_SIGNUM(TRAP); | |
846 | P_SIGNUM(ABRT); | |
847 | P_SIGNUM(BUS); | |
848 | P_SIGNUM(FPE); | |
849 | P_SIGNUM(KILL); | |
850 | P_SIGNUM(USR1); | |
851 | P_SIGNUM(SEGV); | |
852 | P_SIGNUM(USR2); | |
853 | P_SIGNUM(PIPE); | |
854 | P_SIGNUM(ALRM); | |
855 | P_SIGNUM(TERM); | |
8bad5b0a ACM |
856 | P_SIGNUM(CHLD); |
857 | P_SIGNUM(CONT); | |
858 | P_SIGNUM(STOP); | |
859 | P_SIGNUM(TSTP); | |
860 | P_SIGNUM(TTIN); | |
861 | P_SIGNUM(TTOU); | |
862 | P_SIGNUM(URG); | |
863 | P_SIGNUM(XCPU); | |
864 | P_SIGNUM(XFSZ); | |
865 | P_SIGNUM(VTALRM); | |
866 | P_SIGNUM(PROF); | |
867 | P_SIGNUM(WINCH); | |
868 | P_SIGNUM(IO); | |
869 | P_SIGNUM(PWR); | |
870 | P_SIGNUM(SYS); | |
02c5bb4a BH |
871 | #ifdef SIGEMT |
872 | P_SIGNUM(EMT); | |
873 | #endif | |
874 | #ifdef SIGSTKFLT | |
875 | P_SIGNUM(STKFLT); | |
876 | #endif | |
877 | #ifdef SIGSWI | |
878 | P_SIGNUM(SWI); | |
879 | #endif | |
8bad5b0a ACM |
880 | default: break; |
881 | } | |
882 | ||
883 | return scnprintf(bf, size, "%#x", sig); | |
884 | } | |
885 | ||
886 | #define SCA_SIGNUM syscall_arg__scnprintf_signum | |
887 | ||
844ae5b4 ACM |
888 | #if defined(__i386__) || defined(__x86_64__) |
889 | /* | |
890 | * FIXME: Make this available to all arches. | |
891 | */ | |
78645cf3 ACM |
892 | #define TCGETS 0x5401 |
893 | ||
894 | static const char *tioctls[] = { | |
895 | "TCGETS", "TCSETS", "TCSETSW", "TCSETSF", "TCGETA", "TCSETA", "TCSETAW", | |
896 | "TCSETAF", "TCSBRK", "TCXONC", "TCFLSH", "TIOCEXCL", "TIOCNXCL", | |
897 | "TIOCSCTTY", "TIOCGPGRP", "TIOCSPGRP", "TIOCOUTQ", "TIOCSTI", | |
898 | "TIOCGWINSZ", "TIOCSWINSZ", "TIOCMGET", "TIOCMBIS", "TIOCMBIC", | |
899 | "TIOCMSET", "TIOCGSOFTCAR", "TIOCSSOFTCAR", "FIONREAD", "TIOCLINUX", | |
900 | "TIOCCONS", "TIOCGSERIAL", "TIOCSSERIAL", "TIOCPKT", "FIONBIO", | |
901 | "TIOCNOTTY", "TIOCSETD", "TIOCGETD", "TCSBRKP", [0x27] = "TIOCSBRK", | |
902 | "TIOCCBRK", "TIOCGSID", "TCGETS2", "TCSETS2", "TCSETSW2", "TCSETSF2", | |
903 | "TIOCGRS485", "TIOCSRS485", "TIOCGPTN", "TIOCSPTLCK", | |
904 | "TIOCGDEV||TCGETX", "TCSETX", "TCSETXF", "TCSETXW", "TIOCSIG", | |
905 | "TIOCVHANGUP", "TIOCGPKT", "TIOCGPTLCK", "TIOCGEXCL", | |
906 | [0x50] = "FIONCLEX", "FIOCLEX", "FIOASYNC", "TIOCSERCONFIG", | |
907 | "TIOCSERGWILD", "TIOCSERSWILD", "TIOCGLCKTRMIOS", "TIOCSLCKTRMIOS", | |
908 | "TIOCSERGSTRUCT", "TIOCSERGETLSR", "TIOCSERGETMULTI", "TIOCSERSETMULTI", | |
909 | "TIOCMIWAIT", "TIOCGICOUNT", [0x60] = "FIOQSIZE", | |
910 | }; | |
911 | ||
912 | static DEFINE_STRARRAY_OFFSET(tioctls, 0x5401); | |
844ae5b4 | 913 | #endif /* defined(__i386__) || defined(__x86_64__) */ |
78645cf3 | 914 | |
453350dd ACM |
915 | #define STRARRAY(arg, name, array) \ |
916 | .arg_scnprintf = { [arg] = SCA_STRARRAY, }, \ | |
917 | .arg_parm = { [arg] = &strarray__##array, } | |
918 | ||
514f1c67 ACM |
919 | static struct syscall_fmt { |
920 | const char *name; | |
aec1930b | 921 | const char *alias; |
01533e97 | 922 | size_t (*arg_scnprintf[6])(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 923 | void *arg_parm[6]; |
514f1c67 ACM |
924 | bool errmsg; |
925 | bool timeout; | |
04b34729 | 926 | bool hexret; |
514f1c67 | 927 | } syscall_fmts[] = { |
51108999 ACM |
928 | { .name = "access", .errmsg = true, |
929 | .arg_scnprintf = { [1] = SCA_ACCMODE, /* mode */ }, }, | |
aec1930b | 930 | { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, |
beccb2b5 ACM |
931 | { .name = "brk", .hexret = true, |
932 | .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, | |
4f8c1b74 | 933 | { .name = "clock_gettime", .errmsg = true, STRARRAY(0, clk_id, clockid), }, |
75b757ca | 934 | { .name = "close", .errmsg = true, |
48000a1a | 935 | .arg_scnprintf = { [0] = SCA_CLOSE_FD, /* fd */ }, }, |
a14bb860 | 936 | { .name = "connect", .errmsg = true, }, |
75b757ca | 937 | { .name = "dup", .errmsg = true, |
48000a1a | 938 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 939 | { .name = "dup2", .errmsg = true, |
48000a1a | 940 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 941 | { .name = "dup3", .errmsg = true, |
48000a1a | 942 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
453350dd | 943 | { .name = "epoll_ctl", .errmsg = true, STRARRAY(1, op, epoll_ctl_ops), }, |
49af9e93 ACM |
944 | { .name = "eventfd2", .errmsg = true, |
945 | .arg_scnprintf = { [1] = SCA_EFD_FLAGS, /* flags */ }, }, | |
75b757ca ACM |
946 | { .name = "faccessat", .errmsg = true, |
947 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
948 | { .name = "fadvise64", .errmsg = true, | |
48000a1a | 949 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 950 | { .name = "fallocate", .errmsg = true, |
48000a1a | 951 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 952 | { .name = "fchdir", .errmsg = true, |
48000a1a | 953 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 954 | { .name = "fchmod", .errmsg = true, |
48000a1a | 955 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 956 | { .name = "fchmodat", .errmsg = true, |
48000a1a | 957 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, |
75b757ca | 958 | { .name = "fchown", .errmsg = true, |
48000a1a | 959 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 960 | { .name = "fchownat", .errmsg = true, |
48000a1a | 961 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, |
75b757ca ACM |
962 | { .name = "fcntl", .errmsg = true, |
963 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ | |
964 | [1] = SCA_STRARRAY, /* cmd */ }, | |
965 | .arg_parm = { [1] = &strarray__fcntl_cmds, /* cmd */ }, }, | |
966 | { .name = "fdatasync", .errmsg = true, | |
48000a1a | 967 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
5cea6ff2 | 968 | { .name = "flock", .errmsg = true, |
75b757ca ACM |
969 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ |
970 | [1] = SCA_FLOCK, /* cmd */ }, }, | |
971 | { .name = "fsetxattr", .errmsg = true, | |
48000a1a | 972 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 973 | { .name = "fstat", .errmsg = true, .alias = "newfstat", |
48000a1a | 974 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 975 | { .name = "fstatat", .errmsg = true, .alias = "newfstatat", |
48000a1a | 976 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, |
75b757ca | 977 | { .name = "fstatfs", .errmsg = true, |
48000a1a | 978 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 979 | { .name = "fsync", .errmsg = true, |
48000a1a | 980 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 981 | { .name = "ftruncate", .errmsg = true, |
48000a1a | 982 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
f9da0b0c ACM |
983 | { .name = "futex", .errmsg = true, |
984 | .arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, }, | |
75b757ca | 985 | { .name = "futimesat", .errmsg = true, |
48000a1a | 986 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, |
75b757ca | 987 | { .name = "getdents", .errmsg = true, |
48000a1a | 988 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 989 | { .name = "getdents64", .errmsg = true, |
48000a1a | 990 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
453350dd ACM |
991 | { .name = "getitimer", .errmsg = true, STRARRAY(0, which, itimers), }, |
992 | { .name = "getrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, | |
beccb2b5 | 993 | { .name = "ioctl", .errmsg = true, |
48000a1a | 994 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ |
844ae5b4 ACM |
995 | #if defined(__i386__) || defined(__x86_64__) |
996 | /* | |
997 | * FIXME: Make this available to all arches. | |
998 | */ | |
78645cf3 ACM |
999 | [1] = SCA_STRHEXARRAY, /* cmd */ |
1000 | [2] = SCA_HEX, /* arg */ }, | |
1001 | .arg_parm = { [1] = &strarray__tioctls, /* cmd */ }, }, | |
844ae5b4 ACM |
1002 | #else |
1003 | [2] = SCA_HEX, /* arg */ }, }, | |
1004 | #endif | |
8bad5b0a ACM |
1005 | { .name = "kill", .errmsg = true, |
1006 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
75b757ca | 1007 | { .name = "linkat", .errmsg = true, |
48000a1a | 1008 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, |
75b757ca ACM |
1009 | { .name = "lseek", .errmsg = true, |
1010 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ | |
1011 | [2] = SCA_STRARRAY, /* whence */ }, | |
1012 | .arg_parm = { [2] = &strarray__whences, /* whence */ }, }, | |
e5959683 | 1013 | { .name = "lstat", .errmsg = true, .alias = "newlstat", }, |
9e9716d1 ACM |
1014 | { .name = "madvise", .errmsg = true, |
1015 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ | |
1016 | [2] = SCA_MADV_BHV, /* behavior */ }, }, | |
75b757ca | 1017 | { .name = "mkdirat", .errmsg = true, |
48000a1a | 1018 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, |
75b757ca | 1019 | { .name = "mknodat", .errmsg = true, |
48000a1a | 1020 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, |
3d903aa7 ACM |
1021 | { .name = "mlock", .errmsg = true, |
1022 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
1023 | { .name = "mlockall", .errmsg = true, | |
1024 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
beccb2b5 | 1025 | { .name = "mmap", .hexret = true, |
ae685380 | 1026 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ |
941557e0 | 1027 | [2] = SCA_MMAP_PROT, /* prot */ |
73faab3a NK |
1028 | [3] = SCA_MMAP_FLAGS, /* flags */ |
1029 | [4] = SCA_FD, /* fd */ }, }, | |
beccb2b5 | 1030 | { .name = "mprotect", .errmsg = true, |
ae685380 ACM |
1031 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ |
1032 | [2] = SCA_MMAP_PROT, /* prot */ }, }, | |
1033 | { .name = "mremap", .hexret = true, | |
1034 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ | |
86998dda | 1035 | [3] = SCA_MREMAP_FLAGS, /* flags */ |
ae685380 | 1036 | [4] = SCA_HEX, /* new_addr */ }, }, |
3d903aa7 ACM |
1037 | { .name = "munlock", .errmsg = true, |
1038 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
beccb2b5 ACM |
1039 | { .name = "munmap", .errmsg = true, |
1040 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
75b757ca | 1041 | { .name = "name_to_handle_at", .errmsg = true, |
48000a1a | 1042 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, |
75b757ca | 1043 | { .name = "newfstatat", .errmsg = true, |
48000a1a | 1044 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, |
be65a89a ACM |
1045 | { .name = "open", .errmsg = true, |
1046 | .arg_scnprintf = { [1] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
31cd3855 | 1047 | { .name = "open_by_handle_at", .errmsg = true, |
75b757ca ACM |
1048 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ |
1049 | [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
31cd3855 | 1050 | { .name = "openat", .errmsg = true, |
75b757ca ACM |
1051 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ |
1052 | [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
46cce19b ACM |
1053 | { .name = "pipe2", .errmsg = true, |
1054 | .arg_scnprintf = { [1] = SCA_PIPE_FLAGS, /* flags */ }, }, | |
aec1930b ACM |
1055 | { .name = "poll", .errmsg = true, .timeout = true, }, |
1056 | { .name = "ppoll", .errmsg = true, .timeout = true, }, | |
75b757ca | 1057 | { .name = "pread", .errmsg = true, .alias = "pread64", |
48000a1a | 1058 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1059 | { .name = "preadv", .errmsg = true, .alias = "pread", |
48000a1a | 1060 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
453350dd | 1061 | { .name = "prlimit64", .errmsg = true, STRARRAY(1, resource, rlimit_resources), }, |
75b757ca | 1062 | { .name = "pwrite", .errmsg = true, .alias = "pwrite64", |
48000a1a | 1063 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1064 | { .name = "pwritev", .errmsg = true, |
48000a1a | 1065 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1066 | { .name = "read", .errmsg = true, |
48000a1a | 1067 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1068 | { .name = "readlinkat", .errmsg = true, |
48000a1a | 1069 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, |
75b757ca | 1070 | { .name = "readv", .errmsg = true, |
48000a1a | 1071 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
b2cc99fd ACM |
1072 | { .name = "recvfrom", .errmsg = true, |
1073 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
1074 | { .name = "recvmmsg", .errmsg = true, | |
1075 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
1076 | { .name = "recvmsg", .errmsg = true, | |
1077 | .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, | |
75b757ca | 1078 | { .name = "renameat", .errmsg = true, |
48000a1a | 1079 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, |
8bad5b0a ACM |
1080 | { .name = "rt_sigaction", .errmsg = true, |
1081 | .arg_scnprintf = { [0] = SCA_SIGNUM, /* sig */ }, }, | |
453350dd | 1082 | { .name = "rt_sigprocmask", .errmsg = true, STRARRAY(0, how, sighow), }, |
8bad5b0a ACM |
1083 | { .name = "rt_sigqueueinfo", .errmsg = true, |
1084 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
1085 | { .name = "rt_tgsigqueueinfo", .errmsg = true, | |
1086 | .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, | |
aec1930b | 1087 | { .name = "select", .errmsg = true, .timeout = true, }, |
b2cc99fd ACM |
1088 | { .name = "sendmmsg", .errmsg = true, |
1089 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
1090 | { .name = "sendmsg", .errmsg = true, | |
1091 | .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, | |
1092 | { .name = "sendto", .errmsg = true, | |
1093 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
453350dd ACM |
1094 | { .name = "setitimer", .errmsg = true, STRARRAY(0, which, itimers), }, |
1095 | { .name = "setrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, | |
75b757ca | 1096 | { .name = "shutdown", .errmsg = true, |
48000a1a | 1097 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
e10bce81 | 1098 | { .name = "socket", .errmsg = true, |
a28b24b2 ACM |
1099 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ |
1100 | [1] = SCA_SK_TYPE, /* type */ }, | |
07120aa5 ACM |
1101 | .arg_parm = { [0] = &strarray__socket_families, /* family */ }, }, |
1102 | { .name = "socketpair", .errmsg = true, | |
1103 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ | |
1104 | [1] = SCA_SK_TYPE, /* type */ }, | |
e10bce81 | 1105 | .arg_parm = { [0] = &strarray__socket_families, /* family */ }, }, |
aec1930b | 1106 | { .name = "stat", .errmsg = true, .alias = "newstat", }, |
75b757ca | 1107 | { .name = "symlinkat", .errmsg = true, |
48000a1a | 1108 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, |
8bad5b0a ACM |
1109 | { .name = "tgkill", .errmsg = true, |
1110 | .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, | |
1111 | { .name = "tkill", .errmsg = true, | |
1112 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
e5959683 | 1113 | { .name = "uname", .errmsg = true, .alias = "newuname", }, |
75b757ca ACM |
1114 | { .name = "unlinkat", .errmsg = true, |
1115 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
1116 | { .name = "utimensat", .errmsg = true, | |
1117 | .arg_scnprintf = { [0] = SCA_FDAT, /* dirfd */ }, }, | |
1118 | { .name = "write", .errmsg = true, | |
48000a1a | 1119 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
75b757ca | 1120 | { .name = "writev", .errmsg = true, |
48000a1a | 1121 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, |
514f1c67 ACM |
1122 | }; |
1123 | ||
1124 | static int syscall_fmt__cmp(const void *name, const void *fmtp) | |
1125 | { | |
1126 | const struct syscall_fmt *fmt = fmtp; | |
1127 | return strcmp(name, fmt->name); | |
1128 | } | |
1129 | ||
1130 | static struct syscall_fmt *syscall_fmt__find(const char *name) | |
1131 | { | |
1132 | const int nmemb = ARRAY_SIZE(syscall_fmts); | |
1133 | return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp); | |
1134 | } | |
1135 | ||
1136 | struct syscall { | |
1137 | struct event_format *tp_format; | |
f208bd8d ACM |
1138 | int nr_args; |
1139 | struct format_field *args; | |
514f1c67 | 1140 | const char *name; |
2ae3a312 | 1141 | bool filtered; |
5089f20e | 1142 | bool is_exit; |
514f1c67 | 1143 | struct syscall_fmt *fmt; |
01533e97 | 1144 | size_t (**arg_scnprintf)(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 1145 | void **arg_parm; |
514f1c67 ACM |
1146 | }; |
1147 | ||
60c907ab ACM |
1148 | static size_t fprintf_duration(unsigned long t, FILE *fp) |
1149 | { | |
1150 | double duration = (double)t / NSEC_PER_MSEC; | |
1151 | size_t printed = fprintf(fp, "("); | |
1152 | ||
1153 | if (duration >= 1.0) | |
1154 | printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration); | |
1155 | else if (duration >= 0.01) | |
1156 | printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration); | |
1157 | else | |
1158 | printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration); | |
c24ff998 | 1159 | return printed + fprintf(fp, "): "); |
60c907ab ACM |
1160 | } |
1161 | ||
752fde44 ACM |
1162 | struct thread_trace { |
1163 | u64 entry_time; | |
1164 | u64 exit_time; | |
1165 | bool entry_pending; | |
efd5745e | 1166 | unsigned long nr_events; |
a2ea67d7 | 1167 | unsigned long pfmaj, pfmin; |
752fde44 | 1168 | char *entry_str; |
1302d88e | 1169 | double runtime_ms; |
75b757ca ACM |
1170 | struct { |
1171 | int max; | |
1172 | char **table; | |
1173 | } paths; | |
bf2575c1 DA |
1174 | |
1175 | struct intlist *syscall_stats; | |
752fde44 ACM |
1176 | }; |
1177 | ||
1178 | static struct thread_trace *thread_trace__new(void) | |
1179 | { | |
75b757ca ACM |
1180 | struct thread_trace *ttrace = zalloc(sizeof(struct thread_trace)); |
1181 | ||
1182 | if (ttrace) | |
1183 | ttrace->paths.max = -1; | |
1184 | ||
bf2575c1 DA |
1185 | ttrace->syscall_stats = intlist__new(NULL); |
1186 | ||
75b757ca | 1187 | return ttrace; |
752fde44 ACM |
1188 | } |
1189 | ||
c24ff998 | 1190 | static struct thread_trace *thread__trace(struct thread *thread, FILE *fp) |
752fde44 | 1191 | { |
efd5745e ACM |
1192 | struct thread_trace *ttrace; |
1193 | ||
752fde44 ACM |
1194 | if (thread == NULL) |
1195 | goto fail; | |
1196 | ||
89dceb22 NK |
1197 | if (thread__priv(thread) == NULL) |
1198 | thread__set_priv(thread, thread_trace__new()); | |
48000a1a | 1199 | |
89dceb22 | 1200 | if (thread__priv(thread) == NULL) |
752fde44 ACM |
1201 | goto fail; |
1202 | ||
89dceb22 | 1203 | ttrace = thread__priv(thread); |
efd5745e ACM |
1204 | ++ttrace->nr_events; |
1205 | ||
1206 | return ttrace; | |
752fde44 | 1207 | fail: |
c24ff998 | 1208 | color_fprintf(fp, PERF_COLOR_RED, |
752fde44 ACM |
1209 | "WARNING: not enough memory, dropping samples!\n"); |
1210 | return NULL; | |
1211 | } | |
1212 | ||
598d02c5 SF |
1213 | #define TRACE_PFMAJ (1 << 0) |
1214 | #define TRACE_PFMIN (1 << 1) | |
1215 | ||
514f1c67 | 1216 | struct trace { |
c24ff998 | 1217 | struct perf_tool tool; |
c522739d ACM |
1218 | struct { |
1219 | int machine; | |
1220 | int open_id; | |
1221 | } audit; | |
514f1c67 ACM |
1222 | struct { |
1223 | int max; | |
1224 | struct syscall *table; | |
1225 | } syscalls; | |
b4006796 | 1226 | struct record_opts opts; |
14a052df | 1227 | struct perf_evlist *evlist; |
8fb598e5 | 1228 | struct machine *host; |
e596663e | 1229 | struct thread *current; |
752fde44 | 1230 | u64 base_time; |
c24ff998 | 1231 | FILE *output; |
efd5745e | 1232 | unsigned long nr_events; |
b059efdf | 1233 | struct strlist *ev_qualifier; |
c522739d | 1234 | const char *last_vfs_getname; |
bdc89661 DA |
1235 | struct intlist *tid_list; |
1236 | struct intlist *pid_list; | |
f078c385 ACM |
1237 | struct { |
1238 | size_t nr; | |
1239 | pid_t *entries; | |
1240 | } filter_pids; | |
98eafce6 ACM |
1241 | double duration_filter; |
1242 | double runtime_ms; | |
1243 | struct { | |
1244 | u64 vfs_getname, | |
1245 | proc_getname; | |
1246 | } stats; | |
1247 | bool not_ev_qualifier; | |
1248 | bool live; | |
1249 | bool full_time; | |
1302d88e | 1250 | bool sched; |
752fde44 | 1251 | bool multiple_threads; |
bf2575c1 | 1252 | bool summary; |
fd2eabaf | 1253 | bool summary_only; |
50c95cbd | 1254 | bool show_comm; |
c522739d | 1255 | bool show_tool_stats; |
e281a960 | 1256 | bool trace_syscalls; |
598d02c5 | 1257 | int trace_pgfaults; |
514f1c67 ACM |
1258 | }; |
1259 | ||
97119f37 | 1260 | static int trace__set_fd_pathname(struct thread *thread, int fd, const char *pathname) |
75b757ca | 1261 | { |
89dceb22 | 1262 | struct thread_trace *ttrace = thread__priv(thread); |
75b757ca ACM |
1263 | |
1264 | if (fd > ttrace->paths.max) { | |
1265 | char **npath = realloc(ttrace->paths.table, (fd + 1) * sizeof(char *)); | |
1266 | ||
1267 | if (npath == NULL) | |
1268 | return -1; | |
1269 | ||
1270 | if (ttrace->paths.max != -1) { | |
1271 | memset(npath + ttrace->paths.max + 1, 0, | |
1272 | (fd - ttrace->paths.max) * sizeof(char *)); | |
1273 | } else { | |
1274 | memset(npath, 0, (fd + 1) * sizeof(char *)); | |
1275 | } | |
1276 | ||
1277 | ttrace->paths.table = npath; | |
1278 | ttrace->paths.max = fd; | |
1279 | } | |
1280 | ||
1281 | ttrace->paths.table[fd] = strdup(pathname); | |
1282 | ||
1283 | return ttrace->paths.table[fd] != NULL ? 0 : -1; | |
1284 | } | |
1285 | ||
97119f37 ACM |
1286 | static int thread__read_fd_path(struct thread *thread, int fd) |
1287 | { | |
1288 | char linkname[PATH_MAX], pathname[PATH_MAX]; | |
1289 | struct stat st; | |
1290 | int ret; | |
1291 | ||
1292 | if (thread->pid_ == thread->tid) { | |
1293 | scnprintf(linkname, sizeof(linkname), | |
1294 | "/proc/%d/fd/%d", thread->pid_, fd); | |
1295 | } else { | |
1296 | scnprintf(linkname, sizeof(linkname), | |
1297 | "/proc/%d/task/%d/fd/%d", thread->pid_, thread->tid, fd); | |
1298 | } | |
1299 | ||
1300 | if (lstat(linkname, &st) < 0 || st.st_size + 1 > (off_t)sizeof(pathname)) | |
1301 | return -1; | |
1302 | ||
1303 | ret = readlink(linkname, pathname, sizeof(pathname)); | |
1304 | ||
1305 | if (ret < 0 || ret > st.st_size) | |
1306 | return -1; | |
1307 | ||
1308 | pathname[ret] = '\0'; | |
1309 | return trace__set_fd_pathname(thread, fd, pathname); | |
1310 | } | |
1311 | ||
c522739d ACM |
1312 | static const char *thread__fd_path(struct thread *thread, int fd, |
1313 | struct trace *trace) | |
75b757ca | 1314 | { |
89dceb22 | 1315 | struct thread_trace *ttrace = thread__priv(thread); |
75b757ca ACM |
1316 | |
1317 | if (ttrace == NULL) | |
1318 | return NULL; | |
1319 | ||
1320 | if (fd < 0) | |
1321 | return NULL; | |
1322 | ||
cdcd1e6b | 1323 | if ((fd > ttrace->paths.max || ttrace->paths.table[fd] == NULL)) { |
c522739d ACM |
1324 | if (!trace->live) |
1325 | return NULL; | |
1326 | ++trace->stats.proc_getname; | |
cdcd1e6b | 1327 | if (thread__read_fd_path(thread, fd)) |
c522739d ACM |
1328 | return NULL; |
1329 | } | |
75b757ca ACM |
1330 | |
1331 | return ttrace->paths.table[fd]; | |
1332 | } | |
1333 | ||
1334 | static size_t syscall_arg__scnprintf_fd(char *bf, size_t size, | |
1335 | struct syscall_arg *arg) | |
1336 | { | |
1337 | int fd = arg->val; | |
1338 | size_t printed = scnprintf(bf, size, "%d", fd); | |
c522739d | 1339 | const char *path = thread__fd_path(arg->thread, fd, arg->trace); |
75b757ca ACM |
1340 | |
1341 | if (path) | |
1342 | printed += scnprintf(bf + printed, size - printed, "<%s>", path); | |
1343 | ||
1344 | return printed; | |
1345 | } | |
1346 | ||
1347 | static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size, | |
1348 | struct syscall_arg *arg) | |
1349 | { | |
1350 | int fd = arg->val; | |
1351 | size_t printed = syscall_arg__scnprintf_fd(bf, size, arg); | |
89dceb22 | 1352 | struct thread_trace *ttrace = thread__priv(arg->thread); |
75b757ca | 1353 | |
04662523 ACM |
1354 | if (ttrace && fd >= 0 && fd <= ttrace->paths.max) |
1355 | zfree(&ttrace->paths.table[fd]); | |
75b757ca ACM |
1356 | |
1357 | return printed; | |
1358 | } | |
1359 | ||
ae9ed035 ACM |
1360 | static bool trace__filter_duration(struct trace *trace, double t) |
1361 | { | |
1362 | return t < (trace->duration_filter * NSEC_PER_MSEC); | |
1363 | } | |
1364 | ||
752fde44 ACM |
1365 | static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp) |
1366 | { | |
1367 | double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC; | |
1368 | ||
60c907ab | 1369 | return fprintf(fp, "%10.3f ", ts); |
752fde44 ACM |
1370 | } |
1371 | ||
f15eb531 | 1372 | static bool done = false; |
ba209f85 | 1373 | static bool interrupted = false; |
f15eb531 | 1374 | |
ba209f85 | 1375 | static void sig_handler(int sig) |
f15eb531 NK |
1376 | { |
1377 | done = true; | |
ba209f85 | 1378 | interrupted = sig == SIGINT; |
f15eb531 NK |
1379 | } |
1380 | ||
752fde44 | 1381 | static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, |
60c907ab | 1382 | u64 duration, u64 tstamp, FILE *fp) |
752fde44 ACM |
1383 | { |
1384 | size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); | |
60c907ab | 1385 | printed += fprintf_duration(duration, fp); |
752fde44 | 1386 | |
50c95cbd ACM |
1387 | if (trace->multiple_threads) { |
1388 | if (trace->show_comm) | |
1902efe7 | 1389 | printed += fprintf(fp, "%.14s/", thread__comm_str(thread)); |
38051234 | 1390 | printed += fprintf(fp, "%d ", thread->tid); |
50c95cbd | 1391 | } |
752fde44 ACM |
1392 | |
1393 | return printed; | |
1394 | } | |
1395 | ||
c24ff998 | 1396 | static int trace__process_event(struct trace *trace, struct machine *machine, |
162f0bef | 1397 | union perf_event *event, struct perf_sample *sample) |
752fde44 ACM |
1398 | { |
1399 | int ret = 0; | |
1400 | ||
1401 | switch (event->header.type) { | |
1402 | case PERF_RECORD_LOST: | |
c24ff998 | 1403 | color_fprintf(trace->output, PERF_COLOR_RED, |
752fde44 | 1404 | "LOST %" PRIu64 " events!\n", event->lost.lost); |
162f0bef | 1405 | ret = machine__process_lost_event(machine, event, sample); |
752fde44 | 1406 | default: |
162f0bef | 1407 | ret = machine__process_event(machine, event, sample); |
752fde44 ACM |
1408 | break; |
1409 | } | |
1410 | ||
1411 | return ret; | |
1412 | } | |
1413 | ||
c24ff998 | 1414 | static int trace__tool_process(struct perf_tool *tool, |
752fde44 | 1415 | union perf_event *event, |
162f0bef | 1416 | struct perf_sample *sample, |
752fde44 ACM |
1417 | struct machine *machine) |
1418 | { | |
c24ff998 | 1419 | struct trace *trace = container_of(tool, struct trace, tool); |
162f0bef | 1420 | return trace__process_event(trace, machine, event, sample); |
752fde44 ACM |
1421 | } |
1422 | ||
1423 | static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist) | |
1424 | { | |
0a7e6d1b | 1425 | int err = symbol__init(NULL); |
752fde44 ACM |
1426 | |
1427 | if (err) | |
1428 | return err; | |
1429 | ||
8fb598e5 DA |
1430 | trace->host = machine__new_host(); |
1431 | if (trace->host == NULL) | |
1432 | return -ENOMEM; | |
752fde44 | 1433 | |
a33fbd56 ACM |
1434 | err = __machine__synthesize_threads(trace->host, &trace->tool, &trace->opts.target, |
1435 | evlist->threads, trace__tool_process, false); | |
752fde44 ACM |
1436 | if (err) |
1437 | symbol__exit(); | |
1438 | ||
1439 | return err; | |
1440 | } | |
1441 | ||
13d4ff3e ACM |
1442 | static int syscall__set_arg_fmts(struct syscall *sc) |
1443 | { | |
1444 | struct format_field *field; | |
1445 | int idx = 0; | |
1446 | ||
f208bd8d | 1447 | sc->arg_scnprintf = calloc(sc->nr_args, sizeof(void *)); |
13d4ff3e ACM |
1448 | if (sc->arg_scnprintf == NULL) |
1449 | return -1; | |
1450 | ||
1f115cb7 ACM |
1451 | if (sc->fmt) |
1452 | sc->arg_parm = sc->fmt->arg_parm; | |
1453 | ||
f208bd8d | 1454 | for (field = sc->args; field; field = field->next) { |
beccb2b5 ACM |
1455 | if (sc->fmt && sc->fmt->arg_scnprintf[idx]) |
1456 | sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx]; | |
1457 | else if (field->flags & FIELD_IS_POINTER) | |
13d4ff3e ACM |
1458 | sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex; |
1459 | ++idx; | |
1460 | } | |
1461 | ||
1462 | return 0; | |
1463 | } | |
1464 | ||
514f1c67 ACM |
1465 | static int trace__read_syscall_info(struct trace *trace, int id) |
1466 | { | |
1467 | char tp_name[128]; | |
1468 | struct syscall *sc; | |
c522739d | 1469 | const char *name = audit_syscall_to_name(id, trace->audit.machine); |
3a531260 ACM |
1470 | |
1471 | if (name == NULL) | |
1472 | return -1; | |
514f1c67 ACM |
1473 | |
1474 | if (id > trace->syscalls.max) { | |
1475 | struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc)); | |
1476 | ||
1477 | if (nsyscalls == NULL) | |
1478 | return -1; | |
1479 | ||
1480 | if (trace->syscalls.max != -1) { | |
1481 | memset(nsyscalls + trace->syscalls.max + 1, 0, | |
1482 | (id - trace->syscalls.max) * sizeof(*sc)); | |
1483 | } else { | |
1484 | memset(nsyscalls, 0, (id + 1) * sizeof(*sc)); | |
1485 | } | |
1486 | ||
1487 | trace->syscalls.table = nsyscalls; | |
1488 | trace->syscalls.max = id; | |
1489 | } | |
1490 | ||
1491 | sc = trace->syscalls.table + id; | |
3a531260 | 1492 | sc->name = name; |
2ae3a312 | 1493 | |
b059efdf ACM |
1494 | if (trace->ev_qualifier) { |
1495 | bool in = strlist__find(trace->ev_qualifier, name) != NULL; | |
1496 | ||
1497 | if (!(in ^ trace->not_ev_qualifier)) { | |
1498 | sc->filtered = true; | |
1499 | /* | |
1500 | * No need to do read tracepoint information since this will be | |
1501 | * filtered out. | |
1502 | */ | |
1503 | return 0; | |
1504 | } | |
2ae3a312 ACM |
1505 | } |
1506 | ||
3a531260 | 1507 | sc->fmt = syscall_fmt__find(sc->name); |
514f1c67 | 1508 | |
aec1930b | 1509 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); |
97978b3e | 1510 | sc->tp_format = trace_event__tp_format("syscalls", tp_name); |
aec1930b ACM |
1511 | |
1512 | if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) { | |
1513 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias); | |
97978b3e | 1514 | sc->tp_format = trace_event__tp_format("syscalls", tp_name); |
aec1930b | 1515 | } |
514f1c67 | 1516 | |
13d4ff3e ACM |
1517 | if (sc->tp_format == NULL) |
1518 | return -1; | |
1519 | ||
f208bd8d ACM |
1520 | sc->args = sc->tp_format->format.fields; |
1521 | sc->nr_args = sc->tp_format->format.nr_fields; | |
1522 | /* drop nr field - not relevant here; does not exist on older kernels */ | |
1523 | if (sc->args && strcmp(sc->args->name, "nr") == 0) { | |
1524 | sc->args = sc->args->next; | |
1525 | --sc->nr_args; | |
1526 | } | |
1527 | ||
5089f20e ACM |
1528 | sc->is_exit = !strcmp(name, "exit_group") || !strcmp(name, "exit"); |
1529 | ||
13d4ff3e | 1530 | return syscall__set_arg_fmts(sc); |
514f1c67 ACM |
1531 | } |
1532 | ||
55d43bca DA |
1533 | /* |
1534 | * args is to be interpreted as a series of longs but we need to handle | |
1535 | * 8-byte unaligned accesses. args points to raw_data within the event | |
1536 | * and raw_data is guaranteed to be 8-byte unaligned because it is | |
1537 | * preceded by raw_size which is a u32. So we need to copy args to a temp | |
1538 | * variable to read it. Most notably this avoids extended load instructions | |
1539 | * on unaligned addresses | |
1540 | */ | |
1541 | ||
752fde44 | 1542 | static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, |
55d43bca | 1543 | unsigned char *args, struct trace *trace, |
75b757ca | 1544 | struct thread *thread) |
514f1c67 | 1545 | { |
514f1c67 | 1546 | size_t printed = 0; |
55d43bca DA |
1547 | unsigned char *p; |
1548 | unsigned long val; | |
514f1c67 | 1549 | |
f208bd8d | 1550 | if (sc->args != NULL) { |
514f1c67 | 1551 | struct format_field *field; |
01533e97 ACM |
1552 | u8 bit = 1; |
1553 | struct syscall_arg arg = { | |
75b757ca ACM |
1554 | .idx = 0, |
1555 | .mask = 0, | |
1556 | .trace = trace, | |
1557 | .thread = thread, | |
01533e97 | 1558 | }; |
6e7eeb51 | 1559 | |
f208bd8d | 1560 | for (field = sc->args; field; |
01533e97 ACM |
1561 | field = field->next, ++arg.idx, bit <<= 1) { |
1562 | if (arg.mask & bit) | |
6e7eeb51 | 1563 | continue; |
55d43bca DA |
1564 | |
1565 | /* special care for unaligned accesses */ | |
1566 | p = args + sizeof(unsigned long) * arg.idx; | |
1567 | memcpy(&val, p, sizeof(val)); | |
1568 | ||
4aa58232 ACM |
1569 | /* |
1570 | * Suppress this argument if its value is zero and | |
1571 | * and we don't have a string associated in an | |
1572 | * strarray for it. | |
1573 | */ | |
55d43bca | 1574 | if (val == 0 && |
4aa58232 ACM |
1575 | !(sc->arg_scnprintf && |
1576 | sc->arg_scnprintf[arg.idx] == SCA_STRARRAY && | |
1577 | sc->arg_parm[arg.idx])) | |
22ae5cf1 ACM |
1578 | continue; |
1579 | ||
752fde44 | 1580 | printed += scnprintf(bf + printed, size - printed, |
13d4ff3e | 1581 | "%s%s: ", printed ? ", " : "", field->name); |
01533e97 | 1582 | if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) { |
55d43bca | 1583 | arg.val = val; |
1f115cb7 ACM |
1584 | if (sc->arg_parm) |
1585 | arg.parm = sc->arg_parm[arg.idx]; | |
01533e97 ACM |
1586 | printed += sc->arg_scnprintf[arg.idx](bf + printed, |
1587 | size - printed, &arg); | |
6e7eeb51 | 1588 | } else { |
13d4ff3e | 1589 | printed += scnprintf(bf + printed, size - printed, |
55d43bca | 1590 | "%ld", val); |
6e7eeb51 | 1591 | } |
514f1c67 ACM |
1592 | } |
1593 | } else { | |
01533e97 ACM |
1594 | int i = 0; |
1595 | ||
514f1c67 | 1596 | while (i < 6) { |
55d43bca DA |
1597 | /* special care for unaligned accesses */ |
1598 | p = args + sizeof(unsigned long) * i; | |
1599 | memcpy(&val, p, sizeof(val)); | |
752fde44 ACM |
1600 | printed += scnprintf(bf + printed, size - printed, |
1601 | "%sarg%d: %ld", | |
55d43bca | 1602 | printed ? ", " : "", i, val); |
514f1c67 ACM |
1603 | ++i; |
1604 | } | |
1605 | } | |
1606 | ||
1607 | return printed; | |
1608 | } | |
1609 | ||
ba3d7dee | 1610 | typedef int (*tracepoint_handler)(struct trace *trace, struct perf_evsel *evsel, |
0c82adcf | 1611 | union perf_event *event, |
ba3d7dee ACM |
1612 | struct perf_sample *sample); |
1613 | ||
1614 | static struct syscall *trace__syscall_info(struct trace *trace, | |
bf2575c1 | 1615 | struct perf_evsel *evsel, int id) |
ba3d7dee | 1616 | { |
ba3d7dee ACM |
1617 | |
1618 | if (id < 0) { | |
adaa18bf ACM |
1619 | |
1620 | /* | |
1621 | * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried | |
1622 | * before that, leaving at a higher verbosity level till that is | |
1623 | * explained. Reproduced with plain ftrace with: | |
1624 | * | |
1625 | * echo 1 > /t/events/raw_syscalls/sys_exit/enable | |
1626 | * grep "NR -1 " /t/trace_pipe | |
1627 | * | |
1628 | * After generating some load on the machine. | |
1629 | */ | |
1630 | if (verbose > 1) { | |
1631 | static u64 n; | |
1632 | fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n", | |
1633 | id, perf_evsel__name(evsel), ++n); | |
1634 | } | |
ba3d7dee ACM |
1635 | return NULL; |
1636 | } | |
1637 | ||
1638 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) && | |
1639 | trace__read_syscall_info(trace, id)) | |
1640 | goto out_cant_read; | |
1641 | ||
1642 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL)) | |
1643 | goto out_cant_read; | |
1644 | ||
1645 | return &trace->syscalls.table[id]; | |
1646 | ||
1647 | out_cant_read: | |
7c304ee0 ACM |
1648 | if (verbose) { |
1649 | fprintf(trace->output, "Problems reading syscall %d", id); | |
1650 | if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) | |
1651 | fprintf(trace->output, "(%s)", trace->syscalls.table[id].name); | |
1652 | fputs(" information\n", trace->output); | |
1653 | } | |
ba3d7dee ACM |
1654 | return NULL; |
1655 | } | |
1656 | ||
bf2575c1 DA |
1657 | static void thread__update_stats(struct thread_trace *ttrace, |
1658 | int id, struct perf_sample *sample) | |
1659 | { | |
1660 | struct int_node *inode; | |
1661 | struct stats *stats; | |
1662 | u64 duration = 0; | |
1663 | ||
1664 | inode = intlist__findnew(ttrace->syscall_stats, id); | |
1665 | if (inode == NULL) | |
1666 | return; | |
1667 | ||
1668 | stats = inode->priv; | |
1669 | if (stats == NULL) { | |
1670 | stats = malloc(sizeof(struct stats)); | |
1671 | if (stats == NULL) | |
1672 | return; | |
1673 | init_stats(stats); | |
1674 | inode->priv = stats; | |
1675 | } | |
1676 | ||
1677 | if (ttrace->entry_time && sample->time > ttrace->entry_time) | |
1678 | duration = sample->time - ttrace->entry_time; | |
1679 | ||
1680 | update_stats(stats, duration); | |
1681 | } | |
1682 | ||
e596663e ACM |
1683 | static int trace__printf_interrupted_entry(struct trace *trace, struct perf_sample *sample) |
1684 | { | |
1685 | struct thread_trace *ttrace; | |
1686 | u64 duration; | |
1687 | size_t printed; | |
1688 | ||
1689 | if (trace->current == NULL) | |
1690 | return 0; | |
1691 | ||
1692 | ttrace = thread__priv(trace->current); | |
1693 | ||
1694 | if (!ttrace->entry_pending) | |
1695 | return 0; | |
1696 | ||
1697 | duration = sample->time - ttrace->entry_time; | |
1698 | ||
1699 | printed = trace__fprintf_entry_head(trace, trace->current, duration, sample->time, trace->output); | |
1700 | printed += fprintf(trace->output, "%-70s) ...\n", ttrace->entry_str); | |
1701 | ttrace->entry_pending = false; | |
1702 | ||
1703 | return printed; | |
1704 | } | |
1705 | ||
ba3d7dee | 1706 | static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, |
0c82adcf | 1707 | union perf_event *event __maybe_unused, |
ba3d7dee ACM |
1708 | struct perf_sample *sample) |
1709 | { | |
752fde44 | 1710 | char *msg; |
ba3d7dee | 1711 | void *args; |
752fde44 | 1712 | size_t printed = 0; |
2ae3a312 | 1713 | struct thread *thread; |
77170988 | 1714 | int id = perf_evsel__sc_tp_uint(evsel, id, sample); |
bf2575c1 | 1715 | struct syscall *sc = trace__syscall_info(trace, evsel, id); |
2ae3a312 ACM |
1716 | struct thread_trace *ttrace; |
1717 | ||
1718 | if (sc == NULL) | |
1719 | return -1; | |
ba3d7dee | 1720 | |
2ae3a312 ACM |
1721 | if (sc->filtered) |
1722 | return 0; | |
1723 | ||
8fb598e5 | 1724 | thread = machine__findnew_thread(trace->host, sample->pid, sample->tid); |
c24ff998 | 1725 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 1726 | if (ttrace == NULL) |
ba3d7dee ACM |
1727 | return -1; |
1728 | ||
77170988 | 1729 | args = perf_evsel__sc_tp_ptr(evsel, args, sample); |
752fde44 ACM |
1730 | |
1731 | if (ttrace->entry_str == NULL) { | |
1732 | ttrace->entry_str = malloc(1024); | |
1733 | if (!ttrace->entry_str) | |
1734 | return -1; | |
1735 | } | |
1736 | ||
13f22a2d DA |
1737 | if (!trace->summary_only) |
1738 | printed += trace__printf_interrupted_entry(trace, sample); | |
e596663e | 1739 | |
752fde44 ACM |
1740 | ttrace->entry_time = sample->time; |
1741 | msg = ttrace->entry_str; | |
1742 | printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name); | |
1743 | ||
75b757ca ACM |
1744 | printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, |
1745 | args, trace, thread); | |
752fde44 | 1746 | |
5089f20e | 1747 | if (sc->is_exit) { |
fd2eabaf | 1748 | if (!trace->duration_filter && !trace->summary_only) { |
c24ff998 ACM |
1749 | trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output); |
1750 | fprintf(trace->output, "%-70s\n", ttrace->entry_str); | |
ae9ed035 | 1751 | } |
752fde44 ACM |
1752 | } else |
1753 | ttrace->entry_pending = true; | |
ba3d7dee | 1754 | |
f3b623b8 ACM |
1755 | if (trace->current != thread) { |
1756 | thread__put(trace->current); | |
1757 | trace->current = thread__get(thread); | |
1758 | } | |
e596663e | 1759 | |
ba3d7dee ACM |
1760 | return 0; |
1761 | } | |
1762 | ||
1763 | static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, | |
0c82adcf | 1764 | union perf_event *event __maybe_unused, |
ba3d7dee ACM |
1765 | struct perf_sample *sample) |
1766 | { | |
2c82c3ad | 1767 | long ret; |
60c907ab | 1768 | u64 duration = 0; |
2ae3a312 | 1769 | struct thread *thread; |
77170988 | 1770 | int id = perf_evsel__sc_tp_uint(evsel, id, sample); |
bf2575c1 | 1771 | struct syscall *sc = trace__syscall_info(trace, evsel, id); |
2ae3a312 ACM |
1772 | struct thread_trace *ttrace; |
1773 | ||
1774 | if (sc == NULL) | |
1775 | return -1; | |
ba3d7dee | 1776 | |
2ae3a312 ACM |
1777 | if (sc->filtered) |
1778 | return 0; | |
1779 | ||
8fb598e5 | 1780 | thread = machine__findnew_thread(trace->host, sample->pid, sample->tid); |
c24ff998 | 1781 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 1782 | if (ttrace == NULL) |
ba3d7dee ACM |
1783 | return -1; |
1784 | ||
bf2575c1 DA |
1785 | if (trace->summary) |
1786 | thread__update_stats(ttrace, id, sample); | |
1787 | ||
77170988 | 1788 | ret = perf_evsel__sc_tp_uint(evsel, ret, sample); |
ba3d7dee | 1789 | |
c522739d ACM |
1790 | if (id == trace->audit.open_id && ret >= 0 && trace->last_vfs_getname) { |
1791 | trace__set_fd_pathname(thread, ret, trace->last_vfs_getname); | |
1792 | trace->last_vfs_getname = NULL; | |
1793 | ++trace->stats.vfs_getname; | |
1794 | } | |
1795 | ||
752fde44 ACM |
1796 | ttrace->exit_time = sample->time; |
1797 | ||
ae9ed035 | 1798 | if (ttrace->entry_time) { |
60c907ab | 1799 | duration = sample->time - ttrace->entry_time; |
ae9ed035 ACM |
1800 | if (trace__filter_duration(trace, duration)) |
1801 | goto out; | |
1802 | } else if (trace->duration_filter) | |
1803 | goto out; | |
60c907ab | 1804 | |
fd2eabaf DA |
1805 | if (trace->summary_only) |
1806 | goto out; | |
1807 | ||
c24ff998 | 1808 | trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output); |
752fde44 ACM |
1809 | |
1810 | if (ttrace->entry_pending) { | |
c24ff998 | 1811 | fprintf(trace->output, "%-70s", ttrace->entry_str); |
752fde44 | 1812 | } else { |
c24ff998 ACM |
1813 | fprintf(trace->output, " ... ["); |
1814 | color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued"); | |
1815 | fprintf(trace->output, "]: %s()", sc->name); | |
752fde44 ACM |
1816 | } |
1817 | ||
da3c9a44 ACM |
1818 | if (sc->fmt == NULL) { |
1819 | signed_print: | |
2c82c3ad | 1820 | fprintf(trace->output, ") = %ld", ret); |
da3c9a44 | 1821 | } else if (ret < 0 && sc->fmt->errmsg) { |
942a91ed | 1822 | char bf[STRERR_BUFSIZE]; |
ba3d7dee ACM |
1823 | const char *emsg = strerror_r(-ret, bf, sizeof(bf)), |
1824 | *e = audit_errno_to_name(-ret); | |
1825 | ||
c24ff998 | 1826 | fprintf(trace->output, ") = -1 %s %s", e, emsg); |
da3c9a44 | 1827 | } else if (ret == 0 && sc->fmt->timeout) |
c24ff998 | 1828 | fprintf(trace->output, ") = 0 Timeout"); |
04b34729 | 1829 | else if (sc->fmt->hexret) |
2c82c3ad | 1830 | fprintf(trace->output, ") = %#lx", ret); |
ba3d7dee | 1831 | else |
da3c9a44 | 1832 | goto signed_print; |
ba3d7dee | 1833 | |
c24ff998 | 1834 | fputc('\n', trace->output); |
ae9ed035 | 1835 | out: |
752fde44 ACM |
1836 | ttrace->entry_pending = false; |
1837 | ||
ba3d7dee ACM |
1838 | return 0; |
1839 | } | |
1840 | ||
c522739d | 1841 | static int trace__vfs_getname(struct trace *trace, struct perf_evsel *evsel, |
0c82adcf | 1842 | union perf_event *event __maybe_unused, |
c522739d ACM |
1843 | struct perf_sample *sample) |
1844 | { | |
1845 | trace->last_vfs_getname = perf_evsel__rawptr(evsel, sample, "pathname"); | |
1846 | return 0; | |
1847 | } | |
1848 | ||
1302d88e | 1849 | static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel, |
0c82adcf | 1850 | union perf_event *event __maybe_unused, |
1302d88e ACM |
1851 | struct perf_sample *sample) |
1852 | { | |
1853 | u64 runtime = perf_evsel__intval(evsel, sample, "runtime"); | |
1854 | double runtime_ms = (double)runtime / NSEC_PER_MSEC; | |
8fb598e5 | 1855 | struct thread *thread = machine__findnew_thread(trace->host, |
314add6b AH |
1856 | sample->pid, |
1857 | sample->tid); | |
c24ff998 | 1858 | struct thread_trace *ttrace = thread__trace(thread, trace->output); |
1302d88e ACM |
1859 | |
1860 | if (ttrace == NULL) | |
1861 | goto out_dump; | |
1862 | ||
1863 | ttrace->runtime_ms += runtime_ms; | |
1864 | trace->runtime_ms += runtime_ms; | |
1865 | return 0; | |
1866 | ||
1867 | out_dump: | |
c24ff998 | 1868 | fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n", |
1302d88e ACM |
1869 | evsel->name, |
1870 | perf_evsel__strval(evsel, sample, "comm"), | |
1871 | (pid_t)perf_evsel__intval(evsel, sample, "pid"), | |
1872 | runtime, | |
1873 | perf_evsel__intval(evsel, sample, "vruntime")); | |
1874 | return 0; | |
1875 | } | |
1876 | ||
14a052df ACM |
1877 | static int trace__event_handler(struct trace *trace, struct perf_evsel *evsel, |
1878 | union perf_event *event __maybe_unused, | |
1879 | struct perf_sample *sample) | |
1880 | { | |
1881 | trace__printf_interrupted_entry(trace, sample); | |
1882 | trace__fprintf_tstamp(trace, sample->time, trace->output); | |
0808921a ACM |
1883 | |
1884 | if (trace->trace_syscalls) | |
1885 | fprintf(trace->output, "( ): "); | |
1886 | ||
1887 | fprintf(trace->output, "%s:", evsel->name); | |
14a052df ACM |
1888 | |
1889 | if (evsel->tp_format) { | |
1890 | event_format__fprintf(evsel->tp_format, sample->cpu, | |
1891 | sample->raw_data, sample->raw_size, | |
1892 | trace->output); | |
1893 | } | |
1894 | ||
1895 | fprintf(trace->output, ")\n"); | |
1896 | return 0; | |
1897 | } | |
1898 | ||
598d02c5 SF |
1899 | static void print_location(FILE *f, struct perf_sample *sample, |
1900 | struct addr_location *al, | |
1901 | bool print_dso, bool print_sym) | |
1902 | { | |
1903 | ||
1904 | if ((verbose || print_dso) && al->map) | |
1905 | fprintf(f, "%s@", al->map->dso->long_name); | |
1906 | ||
1907 | if ((verbose || print_sym) && al->sym) | |
4414a3c5 | 1908 | fprintf(f, "%s+0x%" PRIx64, al->sym->name, |
598d02c5 SF |
1909 | al->addr - al->sym->start); |
1910 | else if (al->map) | |
4414a3c5 | 1911 | fprintf(f, "0x%" PRIx64, al->addr); |
598d02c5 | 1912 | else |
4414a3c5 | 1913 | fprintf(f, "0x%" PRIx64, sample->addr); |
598d02c5 SF |
1914 | } |
1915 | ||
1916 | static int trace__pgfault(struct trace *trace, | |
1917 | struct perf_evsel *evsel, | |
1918 | union perf_event *event, | |
1919 | struct perf_sample *sample) | |
1920 | { | |
1921 | struct thread *thread; | |
1922 | u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
1923 | struct addr_location al; | |
1924 | char map_type = 'd'; | |
a2ea67d7 | 1925 | struct thread_trace *ttrace; |
598d02c5 SF |
1926 | |
1927 | thread = machine__findnew_thread(trace->host, sample->pid, sample->tid); | |
a2ea67d7 SF |
1928 | ttrace = thread__trace(thread, trace->output); |
1929 | if (ttrace == NULL) | |
1930 | return -1; | |
1931 | ||
1932 | if (evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MAJ) | |
1933 | ttrace->pfmaj++; | |
1934 | else | |
1935 | ttrace->pfmin++; | |
1936 | ||
1937 | if (trace->summary_only) | |
1938 | return 0; | |
598d02c5 | 1939 | |
bb871a9c | 1940 | thread__find_addr_location(thread, cpumode, MAP__FUNCTION, |
598d02c5 SF |
1941 | sample->ip, &al); |
1942 | ||
1943 | trace__fprintf_entry_head(trace, thread, 0, sample->time, trace->output); | |
1944 | ||
1945 | fprintf(trace->output, "%sfault [", | |
1946 | evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MAJ ? | |
1947 | "maj" : "min"); | |
1948 | ||
1949 | print_location(trace->output, sample, &al, false, true); | |
1950 | ||
1951 | fprintf(trace->output, "] => "); | |
1952 | ||
bb871a9c | 1953 | thread__find_addr_location(thread, cpumode, MAP__VARIABLE, |
598d02c5 SF |
1954 | sample->addr, &al); |
1955 | ||
1956 | if (!al.map) { | |
bb871a9c | 1957 | thread__find_addr_location(thread, cpumode, |
598d02c5 SF |
1958 | MAP__FUNCTION, sample->addr, &al); |
1959 | ||
1960 | if (al.map) | |
1961 | map_type = 'x'; | |
1962 | else | |
1963 | map_type = '?'; | |
1964 | } | |
1965 | ||
1966 | print_location(trace->output, sample, &al, true, false); | |
1967 | ||
1968 | fprintf(trace->output, " (%c%c)\n", map_type, al.level); | |
1969 | ||
1970 | return 0; | |
1971 | } | |
1972 | ||
bdc89661 DA |
1973 | static bool skip_sample(struct trace *trace, struct perf_sample *sample) |
1974 | { | |
1975 | if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) || | |
1976 | (trace->tid_list && intlist__find(trace->tid_list, sample->tid))) | |
1977 | return false; | |
1978 | ||
1979 | if (trace->pid_list || trace->tid_list) | |
1980 | return true; | |
1981 | ||
1982 | return false; | |
1983 | } | |
1984 | ||
6810fc91 | 1985 | static int trace__process_sample(struct perf_tool *tool, |
0c82adcf | 1986 | union perf_event *event, |
6810fc91 DA |
1987 | struct perf_sample *sample, |
1988 | struct perf_evsel *evsel, | |
1989 | struct machine *machine __maybe_unused) | |
1990 | { | |
1991 | struct trace *trace = container_of(tool, struct trace, tool); | |
1992 | int err = 0; | |
1993 | ||
744a9719 | 1994 | tracepoint_handler handler = evsel->handler; |
6810fc91 | 1995 | |
bdc89661 DA |
1996 | if (skip_sample(trace, sample)) |
1997 | return 0; | |
1998 | ||
4bb09192 | 1999 | if (!trace->full_time && trace->base_time == 0) |
6810fc91 DA |
2000 | trace->base_time = sample->time; |
2001 | ||
3160565f DA |
2002 | if (handler) { |
2003 | ++trace->nr_events; | |
0c82adcf | 2004 | handler(trace, evsel, event, sample); |
3160565f | 2005 | } |
6810fc91 DA |
2006 | |
2007 | return err; | |
2008 | } | |
2009 | ||
bdc89661 DA |
2010 | static int parse_target_str(struct trace *trace) |
2011 | { | |
2012 | if (trace->opts.target.pid) { | |
2013 | trace->pid_list = intlist__new(trace->opts.target.pid); | |
2014 | if (trace->pid_list == NULL) { | |
2015 | pr_err("Error parsing process id string\n"); | |
2016 | return -EINVAL; | |
2017 | } | |
2018 | } | |
2019 | ||
2020 | if (trace->opts.target.tid) { | |
2021 | trace->tid_list = intlist__new(trace->opts.target.tid); | |
2022 | if (trace->tid_list == NULL) { | |
2023 | pr_err("Error parsing thread id string\n"); | |
2024 | return -EINVAL; | |
2025 | } | |
2026 | } | |
2027 | ||
2028 | return 0; | |
2029 | } | |
2030 | ||
1e28fe0a | 2031 | static int trace__record(struct trace *trace, int argc, const char **argv) |
5e2485b1 DA |
2032 | { |
2033 | unsigned int rec_argc, i, j; | |
2034 | const char **rec_argv; | |
2035 | const char * const record_args[] = { | |
2036 | "record", | |
2037 | "-R", | |
2038 | "-m", "1024", | |
2039 | "-c", "1", | |
5e2485b1 DA |
2040 | }; |
2041 | ||
1e28fe0a SF |
2042 | const char * const sc_args[] = { "-e", }; |
2043 | unsigned int sc_args_nr = ARRAY_SIZE(sc_args); | |
2044 | const char * const majpf_args[] = { "-e", "major-faults" }; | |
2045 | unsigned int majpf_args_nr = ARRAY_SIZE(majpf_args); | |
2046 | const char * const minpf_args[] = { "-e", "minor-faults" }; | |
2047 | unsigned int minpf_args_nr = ARRAY_SIZE(minpf_args); | |
2048 | ||
9aca7f17 | 2049 | /* +1 is for the event string below */ |
1e28fe0a SF |
2050 | rec_argc = ARRAY_SIZE(record_args) + sc_args_nr + 1 + |
2051 | majpf_args_nr + minpf_args_nr + argc; | |
5e2485b1 DA |
2052 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
2053 | ||
2054 | if (rec_argv == NULL) | |
2055 | return -ENOMEM; | |
2056 | ||
1e28fe0a | 2057 | j = 0; |
5e2485b1 | 2058 | for (i = 0; i < ARRAY_SIZE(record_args); i++) |
1e28fe0a SF |
2059 | rec_argv[j++] = record_args[i]; |
2060 | ||
e281a960 SF |
2061 | if (trace->trace_syscalls) { |
2062 | for (i = 0; i < sc_args_nr; i++) | |
2063 | rec_argv[j++] = sc_args[i]; | |
2064 | ||
2065 | /* event string may be different for older kernels - e.g., RHEL6 */ | |
2066 | if (is_valid_tracepoint("raw_syscalls:sys_enter")) | |
2067 | rec_argv[j++] = "raw_syscalls:sys_enter,raw_syscalls:sys_exit"; | |
2068 | else if (is_valid_tracepoint("syscalls:sys_enter")) | |
2069 | rec_argv[j++] = "syscalls:sys_enter,syscalls:sys_exit"; | |
2070 | else { | |
2071 | pr_err("Neither raw_syscalls nor syscalls events exist.\n"); | |
2072 | return -1; | |
2073 | } | |
9aca7f17 | 2074 | } |
9aca7f17 | 2075 | |
1e28fe0a SF |
2076 | if (trace->trace_pgfaults & TRACE_PFMAJ) |
2077 | for (i = 0; i < majpf_args_nr; i++) | |
2078 | rec_argv[j++] = majpf_args[i]; | |
2079 | ||
2080 | if (trace->trace_pgfaults & TRACE_PFMIN) | |
2081 | for (i = 0; i < minpf_args_nr; i++) | |
2082 | rec_argv[j++] = minpf_args[i]; | |
2083 | ||
2084 | for (i = 0; i < (unsigned int)argc; i++) | |
2085 | rec_argv[j++] = argv[i]; | |
5e2485b1 | 2086 | |
1e28fe0a | 2087 | return cmd_record(j, rec_argv, NULL); |
5e2485b1 DA |
2088 | } |
2089 | ||
bf2575c1 DA |
2090 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp); |
2091 | ||
c522739d ACM |
2092 | static void perf_evlist__add_vfs_getname(struct perf_evlist *evlist) |
2093 | { | |
ef503831 | 2094 | struct perf_evsel *evsel = perf_evsel__newtp("probe", "vfs_getname"); |
c522739d ACM |
2095 | if (evsel == NULL) |
2096 | return; | |
2097 | ||
2098 | if (perf_evsel__field(evsel, "pathname") == NULL) { | |
2099 | perf_evsel__delete(evsel); | |
2100 | return; | |
2101 | } | |
2102 | ||
744a9719 | 2103 | evsel->handler = trace__vfs_getname; |
c522739d ACM |
2104 | perf_evlist__add(evlist, evsel); |
2105 | } | |
2106 | ||
598d02c5 SF |
2107 | static int perf_evlist__add_pgfault(struct perf_evlist *evlist, |
2108 | u64 config) | |
2109 | { | |
2110 | struct perf_evsel *evsel; | |
2111 | struct perf_event_attr attr = { | |
2112 | .type = PERF_TYPE_SOFTWARE, | |
2113 | .mmap_data = 1, | |
598d02c5 SF |
2114 | }; |
2115 | ||
2116 | attr.config = config; | |
0524798c | 2117 | attr.sample_period = 1; |
598d02c5 SF |
2118 | |
2119 | event_attr_init(&attr); | |
2120 | ||
2121 | evsel = perf_evsel__new(&attr); | |
2122 | if (!evsel) | |
2123 | return -ENOMEM; | |
2124 | ||
2125 | evsel->handler = trace__pgfault; | |
2126 | perf_evlist__add(evlist, evsel); | |
2127 | ||
2128 | return 0; | |
2129 | } | |
2130 | ||
ddbb1b13 ACM |
2131 | static void trace__handle_event(struct trace *trace, union perf_event *event, struct perf_sample *sample) |
2132 | { | |
2133 | const u32 type = event->header.type; | |
2134 | struct perf_evsel *evsel; | |
2135 | ||
2136 | if (!trace->full_time && trace->base_time == 0) | |
2137 | trace->base_time = sample->time; | |
2138 | ||
2139 | if (type != PERF_RECORD_SAMPLE) { | |
2140 | trace__process_event(trace, trace->host, event, sample); | |
2141 | return; | |
2142 | } | |
2143 | ||
2144 | evsel = perf_evlist__id2evsel(trace->evlist, sample->id); | |
2145 | if (evsel == NULL) { | |
2146 | fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample->id); | |
2147 | return; | |
2148 | } | |
2149 | ||
2150 | if (evsel->attr.type == PERF_TYPE_TRACEPOINT && | |
2151 | sample->raw_data == NULL) { | |
2152 | fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", | |
2153 | perf_evsel__name(evsel), sample->tid, | |
2154 | sample->cpu, sample->raw_size); | |
2155 | } else { | |
2156 | tracepoint_handler handler = evsel->handler; | |
2157 | handler(trace, evsel, event, sample); | |
2158 | } | |
2159 | } | |
2160 | ||
f15eb531 | 2161 | static int trace__run(struct trace *trace, int argc, const char **argv) |
514f1c67 | 2162 | { |
14a052df | 2163 | struct perf_evlist *evlist = trace->evlist; |
efd5745e ACM |
2164 | int err = -1, i; |
2165 | unsigned long before; | |
f15eb531 | 2166 | const bool forks = argc > 0; |
46fb3c21 | 2167 | bool draining = false; |
514f1c67 | 2168 | |
75b757ca ACM |
2169 | trace->live = true; |
2170 | ||
e281a960 SF |
2171 | if (trace->trace_syscalls && |
2172 | perf_evlist__add_syscall_newtp(evlist, trace__sys_enter, | |
2173 | trace__sys_exit)) | |
801c67b0 | 2174 | goto out_error_raw_syscalls; |
514f1c67 | 2175 | |
e281a960 SF |
2176 | if (trace->trace_syscalls) |
2177 | perf_evlist__add_vfs_getname(evlist); | |
c522739d | 2178 | |
598d02c5 | 2179 | if ((trace->trace_pgfaults & TRACE_PFMAJ) && |
e2726d99 | 2180 | perf_evlist__add_pgfault(evlist, PERF_COUNT_SW_PAGE_FAULTS_MAJ)) { |
5ed08dae | 2181 | goto out_error_mem; |
e2726d99 | 2182 | } |
598d02c5 SF |
2183 | |
2184 | if ((trace->trace_pgfaults & TRACE_PFMIN) && | |
2185 | perf_evlist__add_pgfault(evlist, PERF_COUNT_SW_PAGE_FAULTS_MIN)) | |
5ed08dae | 2186 | goto out_error_mem; |
598d02c5 | 2187 | |
1302d88e | 2188 | if (trace->sched && |
2cc990ba ACM |
2189 | perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime", |
2190 | trace__sched_stat_runtime)) | |
2191 | goto out_error_sched_stat_runtime; | |
1302d88e | 2192 | |
514f1c67 ACM |
2193 | err = perf_evlist__create_maps(evlist, &trace->opts.target); |
2194 | if (err < 0) { | |
c24ff998 | 2195 | fprintf(trace->output, "Problems parsing the target to trace, check your options!\n"); |
514f1c67 ACM |
2196 | goto out_delete_evlist; |
2197 | } | |
2198 | ||
752fde44 ACM |
2199 | err = trace__symbols_init(trace, evlist); |
2200 | if (err < 0) { | |
c24ff998 | 2201 | fprintf(trace->output, "Problems initializing symbol libraries!\n"); |
03ad9747 | 2202 | goto out_delete_evlist; |
752fde44 ACM |
2203 | } |
2204 | ||
f77a9518 | 2205 | perf_evlist__config(evlist, &trace->opts); |
514f1c67 | 2206 | |
f15eb531 NK |
2207 | signal(SIGCHLD, sig_handler); |
2208 | signal(SIGINT, sig_handler); | |
2209 | ||
2210 | if (forks) { | |
6ef73ec4 | 2211 | err = perf_evlist__prepare_workload(evlist, &trace->opts.target, |
735f7e0b | 2212 | argv, false, NULL); |
f15eb531 | 2213 | if (err < 0) { |
c24ff998 | 2214 | fprintf(trace->output, "Couldn't run the workload!\n"); |
03ad9747 | 2215 | goto out_delete_evlist; |
f15eb531 NK |
2216 | } |
2217 | } | |
2218 | ||
514f1c67 | 2219 | err = perf_evlist__open(evlist); |
a8f23d8f ACM |
2220 | if (err < 0) |
2221 | goto out_error_open; | |
514f1c67 | 2222 | |
241b057c ACM |
2223 | /* |
2224 | * Better not use !target__has_task() here because we need to cover the | |
2225 | * case where no threads were specified in the command line, but a | |
2226 | * workload was, and in that case we will fill in the thread_map when | |
2227 | * we fork the workload in perf_evlist__prepare_workload. | |
2228 | */ | |
f078c385 ACM |
2229 | if (trace->filter_pids.nr > 0) |
2230 | err = perf_evlist__set_filter_pids(evlist, trace->filter_pids.nr, trace->filter_pids.entries); | |
2231 | else if (evlist->threads->map[0] == -1) | |
2232 | err = perf_evlist__set_filter_pid(evlist, getpid()); | |
2233 | ||
2234 | if (err < 0) { | |
2235 | printf("err=%d,%s\n", -err, strerror(-err)); | |
2236 | exit(1); | |
2237 | } | |
241b057c | 2238 | |
f885037e | 2239 | err = perf_evlist__mmap(evlist, trace->opts.mmap_pages, false); |
e09b18d4 ACM |
2240 | if (err < 0) |
2241 | goto out_error_mmap; | |
514f1c67 | 2242 | |
f15eb531 NK |
2243 | if (forks) |
2244 | perf_evlist__start_workload(evlist); | |
f7aa222f ACM |
2245 | else |
2246 | perf_evlist__enable(evlist); | |
f15eb531 | 2247 | |
42052bea ACM |
2248 | trace->multiple_threads = evlist->threads->map[0] == -1 || |
2249 | evlist->threads->nr > 1 || | |
2250 | perf_evlist__first(evlist)->attr.inherit; | |
514f1c67 | 2251 | again: |
efd5745e | 2252 | before = trace->nr_events; |
514f1c67 ACM |
2253 | |
2254 | for (i = 0; i < evlist->nr_mmaps; i++) { | |
2255 | union perf_event *event; | |
2256 | ||
2257 | while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { | |
514f1c67 | 2258 | struct perf_sample sample; |
514f1c67 | 2259 | |
efd5745e | 2260 | ++trace->nr_events; |
514f1c67 | 2261 | |
514f1c67 ACM |
2262 | err = perf_evlist__parse_sample(evlist, event, &sample); |
2263 | if (err) { | |
c24ff998 | 2264 | fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err); |
8e50d384 | 2265 | goto next_event; |
514f1c67 ACM |
2266 | } |
2267 | ||
ddbb1b13 | 2268 | trace__handle_event(trace, event, &sample); |
8e50d384 ZZ |
2269 | next_event: |
2270 | perf_evlist__mmap_consume(evlist, i); | |
20c5f10e | 2271 | |
ba209f85 ACM |
2272 | if (interrupted) |
2273 | goto out_disable; | |
514f1c67 ACM |
2274 | } |
2275 | } | |
2276 | ||
efd5745e | 2277 | if (trace->nr_events == before) { |
ba209f85 | 2278 | int timeout = done ? 100 : -1; |
f15eb531 | 2279 | |
46fb3c21 ACM |
2280 | if (!draining && perf_evlist__poll(evlist, timeout) > 0) { |
2281 | if (perf_evlist__filter_pollfd(evlist, POLLERR | POLLHUP) == 0) | |
2282 | draining = true; | |
2283 | ||
ba209f85 | 2284 | goto again; |
46fb3c21 | 2285 | } |
ba209f85 ACM |
2286 | } else { |
2287 | goto again; | |
f15eb531 NK |
2288 | } |
2289 | ||
ba209f85 | 2290 | out_disable: |
f3b623b8 ACM |
2291 | thread__zput(trace->current); |
2292 | ||
ba209f85 | 2293 | perf_evlist__disable(evlist); |
514f1c67 | 2294 | |
c522739d ACM |
2295 | if (!err) { |
2296 | if (trace->summary) | |
2297 | trace__fprintf_thread_summary(trace, trace->output); | |
2298 | ||
2299 | if (trace->show_tool_stats) { | |
2300 | fprintf(trace->output, "Stats:\n " | |
2301 | " vfs_getname : %" PRIu64 "\n" | |
2302 | " proc_getname: %" PRIu64 "\n", | |
2303 | trace->stats.vfs_getname, | |
2304 | trace->stats.proc_getname); | |
2305 | } | |
2306 | } | |
bf2575c1 | 2307 | |
514f1c67 ACM |
2308 | out_delete_evlist: |
2309 | perf_evlist__delete(evlist); | |
14a052df | 2310 | trace->evlist = NULL; |
75b757ca | 2311 | trace->live = false; |
514f1c67 | 2312 | return err; |
6ef068cb ACM |
2313 | { |
2314 | char errbuf[BUFSIZ]; | |
a8f23d8f | 2315 | |
2cc990ba ACM |
2316 | out_error_sched_stat_runtime: |
2317 | debugfs__strerror_open_tp(errno, errbuf, sizeof(errbuf), "sched", "sched_stat_runtime"); | |
2318 | goto out_error; | |
2319 | ||
801c67b0 | 2320 | out_error_raw_syscalls: |
2cc990ba | 2321 | debugfs__strerror_open_tp(errno, errbuf, sizeof(errbuf), "raw_syscalls", "sys_(enter|exit)"); |
a8f23d8f ACM |
2322 | goto out_error; |
2323 | ||
e09b18d4 ACM |
2324 | out_error_mmap: |
2325 | perf_evlist__strerror_mmap(evlist, errno, errbuf, sizeof(errbuf)); | |
2326 | goto out_error; | |
2327 | ||
a8f23d8f ACM |
2328 | out_error_open: |
2329 | perf_evlist__strerror_open(evlist, errno, errbuf, sizeof(errbuf)); | |
2330 | ||
2331 | out_error: | |
6ef068cb | 2332 | fprintf(trace->output, "%s\n", errbuf); |
87f91868 | 2333 | goto out_delete_evlist; |
514f1c67 | 2334 | } |
5ed08dae ACM |
2335 | out_error_mem: |
2336 | fprintf(trace->output, "Not enough memory to run!\n"); | |
2337 | goto out_delete_evlist; | |
a8f23d8f | 2338 | } |
514f1c67 | 2339 | |
6810fc91 DA |
2340 | static int trace__replay(struct trace *trace) |
2341 | { | |
2342 | const struct perf_evsel_str_handler handlers[] = { | |
c522739d | 2343 | { "probe:vfs_getname", trace__vfs_getname, }, |
6810fc91 | 2344 | }; |
f5fc1412 JO |
2345 | struct perf_data_file file = { |
2346 | .path = input_name, | |
2347 | .mode = PERF_DATA_MODE_READ, | |
2348 | }; | |
6810fc91 | 2349 | struct perf_session *session; |
003824e8 | 2350 | struct perf_evsel *evsel; |
6810fc91 DA |
2351 | int err = -1; |
2352 | ||
2353 | trace->tool.sample = trace__process_sample; | |
2354 | trace->tool.mmap = perf_event__process_mmap; | |
384c671e | 2355 | trace->tool.mmap2 = perf_event__process_mmap2; |
6810fc91 DA |
2356 | trace->tool.comm = perf_event__process_comm; |
2357 | trace->tool.exit = perf_event__process_exit; | |
2358 | trace->tool.fork = perf_event__process_fork; | |
2359 | trace->tool.attr = perf_event__process_attr; | |
2360 | trace->tool.tracing_data = perf_event__process_tracing_data; | |
2361 | trace->tool.build_id = perf_event__process_build_id; | |
2362 | ||
0a8cb85c | 2363 | trace->tool.ordered_events = true; |
6810fc91 DA |
2364 | trace->tool.ordering_requires_timestamps = true; |
2365 | ||
2366 | /* add tid to output */ | |
2367 | trace->multiple_threads = true; | |
2368 | ||
f5fc1412 | 2369 | session = perf_session__new(&file, false, &trace->tool); |
6810fc91 | 2370 | if (session == NULL) |
52e02834 | 2371 | return -1; |
6810fc91 | 2372 | |
0a7e6d1b | 2373 | if (symbol__init(&session->header.env) < 0) |
cb2ffae2 NK |
2374 | goto out; |
2375 | ||
8fb598e5 DA |
2376 | trace->host = &session->machines.host; |
2377 | ||
6810fc91 DA |
2378 | err = perf_session__set_tracepoints_handlers(session, handlers); |
2379 | if (err) | |
2380 | goto out; | |
2381 | ||
003824e8 NK |
2382 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, |
2383 | "raw_syscalls:sys_enter"); | |
9aca7f17 DA |
2384 | /* older kernels have syscalls tp versus raw_syscalls */ |
2385 | if (evsel == NULL) | |
2386 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, | |
2387 | "syscalls:sys_enter"); | |
003824e8 | 2388 | |
e281a960 SF |
2389 | if (evsel && |
2390 | (perf_evsel__init_syscall_tp(evsel, trace__sys_enter) < 0 || | |
2391 | perf_evsel__init_sc_tp_ptr_field(evsel, args))) { | |
003824e8 NK |
2392 | pr_err("Error during initialize raw_syscalls:sys_enter event\n"); |
2393 | goto out; | |
2394 | } | |
2395 | ||
2396 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, | |
2397 | "raw_syscalls:sys_exit"); | |
9aca7f17 DA |
2398 | if (evsel == NULL) |
2399 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, | |
2400 | "syscalls:sys_exit"); | |
e281a960 SF |
2401 | if (evsel && |
2402 | (perf_evsel__init_syscall_tp(evsel, trace__sys_exit) < 0 || | |
2403 | perf_evsel__init_sc_tp_uint_field(evsel, ret))) { | |
003824e8 | 2404 | pr_err("Error during initialize raw_syscalls:sys_exit event\n"); |
6810fc91 DA |
2405 | goto out; |
2406 | } | |
2407 | ||
1e28fe0a SF |
2408 | evlist__for_each(session->evlist, evsel) { |
2409 | if (evsel->attr.type == PERF_TYPE_SOFTWARE && | |
2410 | (evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MAJ || | |
2411 | evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MIN || | |
2412 | evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS)) | |
2413 | evsel->handler = trace__pgfault; | |
2414 | } | |
2415 | ||
bdc89661 DA |
2416 | err = parse_target_str(trace); |
2417 | if (err != 0) | |
2418 | goto out; | |
2419 | ||
6810fc91 DA |
2420 | setup_pager(); |
2421 | ||
b7b61cbe | 2422 | err = perf_session__process_events(session); |
6810fc91 DA |
2423 | if (err) |
2424 | pr_err("Failed to process events, error %d", err); | |
2425 | ||
bf2575c1 DA |
2426 | else if (trace->summary) |
2427 | trace__fprintf_thread_summary(trace, trace->output); | |
2428 | ||
6810fc91 DA |
2429 | out: |
2430 | perf_session__delete(session); | |
2431 | ||
2432 | return err; | |
2433 | } | |
2434 | ||
1302d88e ACM |
2435 | static size_t trace__fprintf_threads_header(FILE *fp) |
2436 | { | |
2437 | size_t printed; | |
2438 | ||
99ff7150 | 2439 | printed = fprintf(fp, "\n Summary of events:\n\n"); |
bf2575c1 DA |
2440 | |
2441 | return printed; | |
2442 | } | |
2443 | ||
2444 | static size_t thread__dump_stats(struct thread_trace *ttrace, | |
2445 | struct trace *trace, FILE *fp) | |
2446 | { | |
2447 | struct stats *stats; | |
2448 | size_t printed = 0; | |
2449 | struct syscall *sc; | |
2450 | struct int_node *inode = intlist__first(ttrace->syscall_stats); | |
2451 | ||
2452 | if (inode == NULL) | |
2453 | return 0; | |
2454 | ||
2455 | printed += fprintf(fp, "\n"); | |
2456 | ||
27a778b5 PE |
2457 | printed += fprintf(fp, " syscall calls min avg max stddev\n"); |
2458 | printed += fprintf(fp, " (msec) (msec) (msec) (%%)\n"); | |
2459 | printed += fprintf(fp, " --------------- -------- --------- --------- --------- ------\n"); | |
99ff7150 | 2460 | |
bf2575c1 DA |
2461 | /* each int_node is a syscall */ |
2462 | while (inode) { | |
2463 | stats = inode->priv; | |
2464 | if (stats) { | |
2465 | double min = (double)(stats->min) / NSEC_PER_MSEC; | |
2466 | double max = (double)(stats->max) / NSEC_PER_MSEC; | |
2467 | double avg = avg_stats(stats); | |
2468 | double pct; | |
2469 | u64 n = (u64) stats->n; | |
2470 | ||
2471 | pct = avg ? 100.0 * stddev_stats(stats)/avg : 0.0; | |
2472 | avg /= NSEC_PER_MSEC; | |
2473 | ||
2474 | sc = &trace->syscalls.table[inode->i]; | |
99ff7150 | 2475 | printed += fprintf(fp, " %-15s", sc->name); |
27a778b5 | 2476 | printed += fprintf(fp, " %8" PRIu64 " %9.3f %9.3f", |
7f7a4138 | 2477 | n, min, avg); |
27a778b5 | 2478 | printed += fprintf(fp, " %9.3f %9.2f%%\n", max, pct); |
bf2575c1 DA |
2479 | } |
2480 | ||
2481 | inode = intlist__next(inode); | |
2482 | } | |
2483 | ||
2484 | printed += fprintf(fp, "\n\n"); | |
1302d88e ACM |
2485 | |
2486 | return printed; | |
2487 | } | |
2488 | ||
896cbb56 DA |
2489 | /* struct used to pass data to per-thread function */ |
2490 | struct summary_data { | |
2491 | FILE *fp; | |
2492 | struct trace *trace; | |
2493 | size_t printed; | |
2494 | }; | |
2495 | ||
2496 | static int trace__fprintf_one_thread(struct thread *thread, void *priv) | |
2497 | { | |
2498 | struct summary_data *data = priv; | |
2499 | FILE *fp = data->fp; | |
2500 | size_t printed = data->printed; | |
2501 | struct trace *trace = data->trace; | |
89dceb22 | 2502 | struct thread_trace *ttrace = thread__priv(thread); |
896cbb56 DA |
2503 | double ratio; |
2504 | ||
2505 | if (ttrace == NULL) | |
2506 | return 0; | |
2507 | ||
2508 | ratio = (double)ttrace->nr_events / trace->nr_events * 100.0; | |
2509 | ||
15e65c69 | 2510 | printed += fprintf(fp, " %s (%d), ", thread__comm_str(thread), thread->tid); |
99ff7150 | 2511 | printed += fprintf(fp, "%lu events, ", ttrace->nr_events); |
15e65c69 | 2512 | printed += fprintf(fp, "%.1f%%", ratio); |
a2ea67d7 SF |
2513 | if (ttrace->pfmaj) |
2514 | printed += fprintf(fp, ", %lu majfaults", ttrace->pfmaj); | |
2515 | if (ttrace->pfmin) | |
2516 | printed += fprintf(fp, ", %lu minfaults", ttrace->pfmin); | |
99ff7150 | 2517 | printed += fprintf(fp, ", %.3f msec\n", ttrace->runtime_ms); |
bf2575c1 | 2518 | printed += thread__dump_stats(ttrace, trace, fp); |
896cbb56 DA |
2519 | |
2520 | data->printed += printed; | |
2521 | ||
2522 | return 0; | |
2523 | } | |
2524 | ||
1302d88e ACM |
2525 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp) |
2526 | { | |
896cbb56 DA |
2527 | struct summary_data data = { |
2528 | .fp = fp, | |
2529 | .trace = trace | |
2530 | }; | |
2531 | data.printed = trace__fprintf_threads_header(fp); | |
1302d88e | 2532 | |
896cbb56 DA |
2533 | machine__for_each_thread(trace->host, trace__fprintf_one_thread, &data); |
2534 | ||
2535 | return data.printed; | |
1302d88e ACM |
2536 | } |
2537 | ||
ae9ed035 ACM |
2538 | static int trace__set_duration(const struct option *opt, const char *str, |
2539 | int unset __maybe_unused) | |
2540 | { | |
2541 | struct trace *trace = opt->value; | |
2542 | ||
2543 | trace->duration_filter = atof(str); | |
2544 | return 0; | |
2545 | } | |
2546 | ||
f078c385 ACM |
2547 | static int trace__set_filter_pids(const struct option *opt, const char *str, |
2548 | int unset __maybe_unused) | |
2549 | { | |
2550 | int ret = -1; | |
2551 | size_t i; | |
2552 | struct trace *trace = opt->value; | |
2553 | /* | |
2554 | * FIXME: introduce a intarray class, plain parse csv and create a | |
2555 | * { int nr, int entries[] } struct... | |
2556 | */ | |
2557 | struct intlist *list = intlist__new(str); | |
2558 | ||
2559 | if (list == NULL) | |
2560 | return -1; | |
2561 | ||
2562 | i = trace->filter_pids.nr = intlist__nr_entries(list) + 1; | |
2563 | trace->filter_pids.entries = calloc(i, sizeof(pid_t)); | |
2564 | ||
2565 | if (trace->filter_pids.entries == NULL) | |
2566 | goto out; | |
2567 | ||
2568 | trace->filter_pids.entries[0] = getpid(); | |
2569 | ||
2570 | for (i = 1; i < trace->filter_pids.nr; ++i) | |
2571 | trace->filter_pids.entries[i] = intlist__entry(list, i - 1)->i; | |
2572 | ||
2573 | intlist__delete(list); | |
2574 | ret = 0; | |
2575 | out: | |
2576 | return ret; | |
2577 | } | |
2578 | ||
c24ff998 ACM |
2579 | static int trace__open_output(struct trace *trace, const char *filename) |
2580 | { | |
2581 | struct stat st; | |
2582 | ||
2583 | if (!stat(filename, &st) && st.st_size) { | |
2584 | char oldname[PATH_MAX]; | |
2585 | ||
2586 | scnprintf(oldname, sizeof(oldname), "%s.old", filename); | |
2587 | unlink(oldname); | |
2588 | rename(filename, oldname); | |
2589 | } | |
2590 | ||
2591 | trace->output = fopen(filename, "w"); | |
2592 | ||
2593 | return trace->output == NULL ? -errno : 0; | |
2594 | } | |
2595 | ||
598d02c5 SF |
2596 | static int parse_pagefaults(const struct option *opt, const char *str, |
2597 | int unset __maybe_unused) | |
2598 | { | |
2599 | int *trace_pgfaults = opt->value; | |
2600 | ||
2601 | if (strcmp(str, "all") == 0) | |
2602 | *trace_pgfaults |= TRACE_PFMAJ | TRACE_PFMIN; | |
2603 | else if (strcmp(str, "maj") == 0) | |
2604 | *trace_pgfaults |= TRACE_PFMAJ; | |
2605 | else if (strcmp(str, "min") == 0) | |
2606 | *trace_pgfaults |= TRACE_PFMIN; | |
2607 | else | |
2608 | return -1; | |
2609 | ||
2610 | return 0; | |
2611 | } | |
2612 | ||
14a052df ACM |
2613 | static void evlist__set_evsel_handler(struct perf_evlist *evlist, void *handler) |
2614 | { | |
2615 | struct perf_evsel *evsel; | |
2616 | ||
2617 | evlist__for_each(evlist, evsel) | |
2618 | evsel->handler = handler; | |
2619 | } | |
2620 | ||
514f1c67 ACM |
2621 | int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) |
2622 | { | |
6fdd9cb7 | 2623 | const char *trace_usage[] = { |
f15eb531 NK |
2624 | "perf trace [<options>] [<command>]", |
2625 | "perf trace [<options>] -- <command> [<options>]", | |
5e2485b1 DA |
2626 | "perf trace record [<options>] [<command>]", |
2627 | "perf trace record [<options>] -- <command> [<options>]", | |
514f1c67 ACM |
2628 | NULL |
2629 | }; | |
2630 | struct trace trace = { | |
c522739d ACM |
2631 | .audit = { |
2632 | .machine = audit_detect_machine(), | |
2633 | .open_id = audit_name_to_syscall("open", trace.audit.machine), | |
2634 | }, | |
514f1c67 ACM |
2635 | .syscalls = { |
2636 | . max = -1, | |
2637 | }, | |
2638 | .opts = { | |
2639 | .target = { | |
2640 | .uid = UINT_MAX, | |
2641 | .uses_mmap = true, | |
2642 | }, | |
2643 | .user_freq = UINT_MAX, | |
2644 | .user_interval = ULLONG_MAX, | |
509051ea | 2645 | .no_buffering = true, |
38d5447d | 2646 | .mmap_pages = UINT_MAX, |
514f1c67 | 2647 | }, |
c24ff998 | 2648 | .output = stdout, |
50c95cbd | 2649 | .show_comm = true, |
e281a960 | 2650 | .trace_syscalls = true, |
514f1c67 | 2651 | }; |
c24ff998 | 2652 | const char *output_name = NULL; |
2ae3a312 | 2653 | const char *ev_qualifier_str = NULL; |
514f1c67 | 2654 | const struct option trace_options[] = { |
14a052df ACM |
2655 | OPT_CALLBACK(0, "event", &trace.evlist, "event", |
2656 | "event selector. use 'perf list' to list available events", | |
2657 | parse_events_option), | |
50c95cbd ACM |
2658 | OPT_BOOLEAN(0, "comm", &trace.show_comm, |
2659 | "show the thread COMM next to its id"), | |
c522739d | 2660 | OPT_BOOLEAN(0, "tool_stats", &trace.show_tool_stats, "show tool stats"), |
2ae3a312 ACM |
2661 | OPT_STRING('e', "expr", &ev_qualifier_str, "expr", |
2662 | "list of events to trace"), | |
c24ff998 | 2663 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
6810fc91 | 2664 | OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"), |
514f1c67 ACM |
2665 | OPT_STRING('p', "pid", &trace.opts.target.pid, "pid", |
2666 | "trace events on existing process id"), | |
ac9be8ee | 2667 | OPT_STRING('t', "tid", &trace.opts.target.tid, "tid", |
514f1c67 | 2668 | "trace events on existing thread id"), |
f078c385 ACM |
2669 | OPT_CALLBACK(0, "filter-pids", &trace, "float", |
2670 | "show only events with duration > N.M ms", trace__set_filter_pids), | |
ac9be8ee | 2671 | OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide, |
514f1c67 | 2672 | "system-wide collection from all CPUs"), |
ac9be8ee | 2673 | OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu", |
514f1c67 | 2674 | "list of cpus to monitor"), |
6810fc91 | 2675 | OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit, |
514f1c67 | 2676 | "child tasks do not inherit counters"), |
994a1f78 JO |
2677 | OPT_CALLBACK('m', "mmap-pages", &trace.opts.mmap_pages, "pages", |
2678 | "number of mmap data pages", | |
2679 | perf_evlist__parse_mmap_pages), | |
ac9be8ee | 2680 | OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user", |
514f1c67 | 2681 | "user to profile"), |
ae9ed035 ACM |
2682 | OPT_CALLBACK(0, "duration", &trace, "float", |
2683 | "show only events with duration > N.M ms", | |
2684 | trace__set_duration), | |
1302d88e | 2685 | OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"), |
7c304ee0 | 2686 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
4bb09192 DA |
2687 | OPT_BOOLEAN('T', "time", &trace.full_time, |
2688 | "Show full timestamp, not time relative to first start"), | |
fd2eabaf DA |
2689 | OPT_BOOLEAN('s', "summary", &trace.summary_only, |
2690 | "Show only syscall summary with statistics"), | |
2691 | OPT_BOOLEAN('S', "with-summary", &trace.summary, | |
2692 | "Show all syscalls and summary with statistics"), | |
598d02c5 SF |
2693 | OPT_CALLBACK_DEFAULT('F', "pf", &trace.trace_pgfaults, "all|maj|min", |
2694 | "Trace pagefaults", parse_pagefaults, "maj"), | |
e281a960 | 2695 | OPT_BOOLEAN(0, "syscalls", &trace.trace_syscalls, "Trace syscalls"), |
514f1c67 ACM |
2696 | OPT_END() |
2697 | }; | |
6fdd9cb7 | 2698 | const char * const trace_subcommands[] = { "record", NULL }; |
514f1c67 | 2699 | int err; |
32caf0d1 | 2700 | char bf[BUFSIZ]; |
514f1c67 | 2701 | |
4d08cb80 ACM |
2702 | signal(SIGSEGV, sighandler_dump_stack); |
2703 | signal(SIGFPE, sighandler_dump_stack); | |
2704 | ||
14a052df ACM |
2705 | trace.evlist = perf_evlist__new(); |
2706 | if (trace.evlist == NULL) | |
2707 | return -ENOMEM; | |
2708 | ||
2709 | if (trace.evlist == NULL) { | |
2710 | pr_err("Not enough memory to run!\n"); | |
2711 | goto out; | |
2712 | } | |
2713 | ||
6fdd9cb7 YS |
2714 | argc = parse_options_subcommand(argc, argv, trace_options, trace_subcommands, |
2715 | trace_usage, PARSE_OPT_STOP_AT_NON_OPTION); | |
fd2eabaf | 2716 | |
598d02c5 SF |
2717 | if (trace.trace_pgfaults) { |
2718 | trace.opts.sample_address = true; | |
2719 | trace.opts.sample_time = true; | |
2720 | } | |
2721 | ||
14a052df ACM |
2722 | if (trace.evlist->nr_entries > 0) |
2723 | evlist__set_evsel_handler(trace.evlist, trace__event_handler); | |
2724 | ||
1e28fe0a SF |
2725 | if ((argc >= 1) && (strcmp(argv[0], "record") == 0)) |
2726 | return trace__record(&trace, argc-1, &argv[1]); | |
2727 | ||
2728 | /* summary_only implies summary option, but don't overwrite summary if set */ | |
2729 | if (trace.summary_only) | |
2730 | trace.summary = trace.summary_only; | |
2731 | ||
726f3234 ACM |
2732 | if (!trace.trace_syscalls && !trace.trace_pgfaults && |
2733 | trace.evlist->nr_entries == 0 /* Was --events used? */) { | |
e281a960 SF |
2734 | pr_err("Please specify something to trace.\n"); |
2735 | return -1; | |
2736 | } | |
2737 | ||
c24ff998 ACM |
2738 | if (output_name != NULL) { |
2739 | err = trace__open_output(&trace, output_name); | |
2740 | if (err < 0) { | |
2741 | perror("failed to create output file"); | |
2742 | goto out; | |
2743 | } | |
2744 | } | |
2745 | ||
2ae3a312 | 2746 | if (ev_qualifier_str != NULL) { |
b059efdf ACM |
2747 | const char *s = ev_qualifier_str; |
2748 | ||
2749 | trace.not_ev_qualifier = *s == '!'; | |
2750 | if (trace.not_ev_qualifier) | |
2751 | ++s; | |
2752 | trace.ev_qualifier = strlist__new(true, s); | |
2ae3a312 | 2753 | if (trace.ev_qualifier == NULL) { |
c24ff998 ACM |
2754 | fputs("Not enough memory to parse event qualifier", |
2755 | trace.output); | |
2756 | err = -ENOMEM; | |
2757 | goto out_close; | |
2ae3a312 ACM |
2758 | } |
2759 | } | |
2760 | ||
602ad878 | 2761 | err = target__validate(&trace.opts.target); |
32caf0d1 | 2762 | if (err) { |
602ad878 | 2763 | target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
c24ff998 ACM |
2764 | fprintf(trace.output, "%s", bf); |
2765 | goto out_close; | |
32caf0d1 NK |
2766 | } |
2767 | ||
602ad878 | 2768 | err = target__parse_uid(&trace.opts.target); |
514f1c67 | 2769 | if (err) { |
602ad878 | 2770 | target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
c24ff998 ACM |
2771 | fprintf(trace.output, "%s", bf); |
2772 | goto out_close; | |
514f1c67 ACM |
2773 | } |
2774 | ||
602ad878 | 2775 | if (!argc && target__none(&trace.opts.target)) |
ee76120e NK |
2776 | trace.opts.target.system_wide = true; |
2777 | ||
6810fc91 DA |
2778 | if (input_name) |
2779 | err = trace__replay(&trace); | |
2780 | else | |
2781 | err = trace__run(&trace, argc, argv); | |
1302d88e | 2782 | |
c24ff998 ACM |
2783 | out_close: |
2784 | if (output_name != NULL) | |
2785 | fclose(trace.output); | |
2786 | out: | |
1302d88e | 2787 | return err; |
514f1c67 | 2788 | } |