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" |
514f1c67 ACM |
14 | |
15 | #include <libaudit.h> | |
16 | #include <stdlib.h> | |
49af9e93 | 17 | #include <sys/eventfd.h> |
ae685380 | 18 | #include <sys/mman.h> |
f9da0b0c | 19 | #include <linux/futex.h> |
514f1c67 | 20 | |
456857bd IM |
21 | /* For older distros: */ |
22 | #ifndef MAP_STACK | |
23 | # define MAP_STACK 0x20000 | |
24 | #endif | |
25 | ||
26 | #ifndef MADV_HWPOISON | |
27 | # define MADV_HWPOISON 100 | |
28 | #endif | |
29 | ||
30 | #ifndef MADV_MERGEABLE | |
31 | # define MADV_MERGEABLE 12 | |
32 | #endif | |
33 | ||
34 | #ifndef MADV_UNMERGEABLE | |
35 | # define MADV_UNMERGEABLE 13 | |
36 | #endif | |
37 | ||
77170988 ACM |
38 | struct tp_field { |
39 | int offset; | |
40 | union { | |
41 | u64 (*integer)(struct tp_field *field, struct perf_sample *sample); | |
42 | void *(*pointer)(struct tp_field *field, struct perf_sample *sample); | |
43 | }; | |
44 | }; | |
45 | ||
46 | #define TP_UINT_FIELD(bits) \ | |
47 | static u64 tp_field__u##bits(struct tp_field *field, struct perf_sample *sample) \ | |
48 | { \ | |
49 | return *(u##bits *)(sample->raw_data + field->offset); \ | |
50 | } | |
51 | ||
52 | TP_UINT_FIELD(8); | |
53 | TP_UINT_FIELD(16); | |
54 | TP_UINT_FIELD(32); | |
55 | TP_UINT_FIELD(64); | |
56 | ||
57 | #define TP_UINT_FIELD__SWAPPED(bits) \ | |
58 | static u64 tp_field__swapped_u##bits(struct tp_field *field, struct perf_sample *sample) \ | |
59 | { \ | |
60 | u##bits value = *(u##bits *)(sample->raw_data + field->offset); \ | |
61 | return bswap_##bits(value);\ | |
62 | } | |
63 | ||
64 | TP_UINT_FIELD__SWAPPED(16); | |
65 | TP_UINT_FIELD__SWAPPED(32); | |
66 | TP_UINT_FIELD__SWAPPED(64); | |
67 | ||
68 | static int tp_field__init_uint(struct tp_field *field, | |
69 | struct format_field *format_field, | |
70 | bool needs_swap) | |
71 | { | |
72 | field->offset = format_field->offset; | |
73 | ||
74 | switch (format_field->size) { | |
75 | case 1: | |
76 | field->integer = tp_field__u8; | |
77 | break; | |
78 | case 2: | |
79 | field->integer = needs_swap ? tp_field__swapped_u16 : tp_field__u16; | |
80 | break; | |
81 | case 4: | |
82 | field->integer = needs_swap ? tp_field__swapped_u32 : tp_field__u32; | |
83 | break; | |
84 | case 8: | |
85 | field->integer = needs_swap ? tp_field__swapped_u64 : tp_field__u64; | |
86 | break; | |
87 | default: | |
88 | return -1; | |
89 | } | |
90 | ||
91 | return 0; | |
92 | } | |
93 | ||
94 | static void *tp_field__ptr(struct tp_field *field, struct perf_sample *sample) | |
95 | { | |
96 | return sample->raw_data + field->offset; | |
97 | } | |
98 | ||
99 | static int tp_field__init_ptr(struct tp_field *field, struct format_field *format_field) | |
100 | { | |
101 | field->offset = format_field->offset; | |
102 | field->pointer = tp_field__ptr; | |
103 | return 0; | |
104 | } | |
105 | ||
106 | struct syscall_tp { | |
107 | struct tp_field id; | |
108 | union { | |
109 | struct tp_field args, ret; | |
110 | }; | |
111 | }; | |
112 | ||
113 | static int perf_evsel__init_tp_uint_field(struct perf_evsel *evsel, | |
114 | struct tp_field *field, | |
115 | const char *name) | |
116 | { | |
117 | struct format_field *format_field = perf_evsel__field(evsel, name); | |
118 | ||
119 | if (format_field == NULL) | |
120 | return -1; | |
121 | ||
122 | return tp_field__init_uint(field, format_field, evsel->needs_swap); | |
123 | } | |
124 | ||
125 | #define perf_evsel__init_sc_tp_uint_field(evsel, name) \ | |
126 | ({ struct syscall_tp *sc = evsel->priv;\ | |
127 | perf_evsel__init_tp_uint_field(evsel, &sc->name, #name); }) | |
128 | ||
129 | static int perf_evsel__init_tp_ptr_field(struct perf_evsel *evsel, | |
130 | struct tp_field *field, | |
131 | const char *name) | |
132 | { | |
133 | struct format_field *format_field = perf_evsel__field(evsel, name); | |
134 | ||
135 | if (format_field == NULL) | |
136 | return -1; | |
137 | ||
138 | return tp_field__init_ptr(field, format_field); | |
139 | } | |
140 | ||
141 | #define perf_evsel__init_sc_tp_ptr_field(evsel, name) \ | |
142 | ({ struct syscall_tp *sc = evsel->priv;\ | |
143 | perf_evsel__init_tp_ptr_field(evsel, &sc->name, #name); }) | |
144 | ||
145 | static void perf_evsel__delete_priv(struct perf_evsel *evsel) | |
146 | { | |
147 | free(evsel->priv); | |
148 | evsel->priv = NULL; | |
149 | perf_evsel__delete(evsel); | |
150 | } | |
151 | ||
96695d44 NK |
152 | static int perf_evsel__init_syscall_tp(struct perf_evsel *evsel, void *handler) |
153 | { | |
154 | evsel->priv = malloc(sizeof(struct syscall_tp)); | |
155 | if (evsel->priv != NULL) { | |
156 | if (perf_evsel__init_sc_tp_uint_field(evsel, id)) | |
157 | goto out_delete; | |
158 | ||
159 | evsel->handler = handler; | |
160 | return 0; | |
161 | } | |
162 | ||
163 | return -ENOMEM; | |
164 | ||
165 | out_delete: | |
166 | free(evsel->priv); | |
167 | evsel->priv = NULL; | |
168 | return -ENOENT; | |
169 | } | |
170 | ||
ef503831 | 171 | static struct perf_evsel *perf_evsel__syscall_newtp(const char *direction, void *handler) |
77170988 | 172 | { |
ef503831 | 173 | struct perf_evsel *evsel = perf_evsel__newtp("raw_syscalls", direction); |
77170988 ACM |
174 | |
175 | if (evsel) { | |
96695d44 | 176 | if (perf_evsel__init_syscall_tp(evsel, handler)) |
77170988 | 177 | goto out_delete; |
77170988 ACM |
178 | } |
179 | ||
180 | return evsel; | |
181 | ||
182 | out_delete: | |
183 | perf_evsel__delete_priv(evsel); | |
184 | return NULL; | |
185 | } | |
186 | ||
187 | #define perf_evsel__sc_tp_uint(evsel, name, sample) \ | |
188 | ({ struct syscall_tp *fields = evsel->priv; \ | |
189 | fields->name.integer(&fields->name, sample); }) | |
190 | ||
191 | #define perf_evsel__sc_tp_ptr(evsel, name, sample) \ | |
192 | ({ struct syscall_tp *fields = evsel->priv; \ | |
193 | fields->name.pointer(&fields->name, sample); }) | |
194 | ||
195 | static int perf_evlist__add_syscall_newtp(struct perf_evlist *evlist, | |
196 | void *sys_enter_handler, | |
197 | void *sys_exit_handler) | |
198 | { | |
199 | int ret = -1; | |
77170988 ACM |
200 | struct perf_evsel *sys_enter, *sys_exit; |
201 | ||
ef503831 | 202 | sys_enter = perf_evsel__syscall_newtp("sys_enter", sys_enter_handler); |
77170988 ACM |
203 | if (sys_enter == NULL) |
204 | goto out; | |
205 | ||
206 | if (perf_evsel__init_sc_tp_ptr_field(sys_enter, args)) | |
207 | goto out_delete_sys_enter; | |
208 | ||
ef503831 | 209 | sys_exit = perf_evsel__syscall_newtp("sys_exit", sys_exit_handler); |
77170988 ACM |
210 | if (sys_exit == NULL) |
211 | goto out_delete_sys_enter; | |
212 | ||
213 | if (perf_evsel__init_sc_tp_uint_field(sys_exit, ret)) | |
214 | goto out_delete_sys_exit; | |
215 | ||
216 | perf_evlist__add(evlist, sys_enter); | |
217 | perf_evlist__add(evlist, sys_exit); | |
218 | ||
219 | ret = 0; | |
220 | out: | |
221 | return ret; | |
222 | ||
223 | out_delete_sys_exit: | |
224 | perf_evsel__delete_priv(sys_exit); | |
225 | out_delete_sys_enter: | |
226 | perf_evsel__delete_priv(sys_enter); | |
227 | goto out; | |
228 | } | |
229 | ||
230 | ||
01533e97 ACM |
231 | struct syscall_arg { |
232 | unsigned long val; | |
75b757ca ACM |
233 | struct thread *thread; |
234 | struct trace *trace; | |
1f115cb7 | 235 | void *parm; |
01533e97 ACM |
236 | u8 idx; |
237 | u8 mask; | |
238 | }; | |
239 | ||
1f115cb7 | 240 | struct strarray { |
03e3adc9 | 241 | int offset; |
1f115cb7 ACM |
242 | int nr_entries; |
243 | const char **entries; | |
244 | }; | |
245 | ||
246 | #define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \ | |
247 | .nr_entries = ARRAY_SIZE(array), \ | |
248 | .entries = array, \ | |
249 | } | |
250 | ||
03e3adc9 ACM |
251 | #define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \ |
252 | .offset = off, \ | |
253 | .nr_entries = ARRAY_SIZE(array), \ | |
254 | .entries = array, \ | |
255 | } | |
256 | ||
975b7c2f ACM |
257 | static size_t __syscall_arg__scnprintf_strarray(char *bf, size_t size, |
258 | const char *intfmt, | |
259 | struct syscall_arg *arg) | |
1f115cb7 | 260 | { |
1f115cb7 | 261 | struct strarray *sa = arg->parm; |
03e3adc9 | 262 | int idx = arg->val - sa->offset; |
1f115cb7 ACM |
263 | |
264 | if (idx < 0 || idx >= sa->nr_entries) | |
975b7c2f | 265 | return scnprintf(bf, size, intfmt, arg->val); |
1f115cb7 ACM |
266 | |
267 | return scnprintf(bf, size, "%s", sa->entries[idx]); | |
268 | } | |
269 | ||
975b7c2f ACM |
270 | static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size, |
271 | struct syscall_arg *arg) | |
272 | { | |
273 | return __syscall_arg__scnprintf_strarray(bf, size, "%d", arg); | |
274 | } | |
275 | ||
1f115cb7 ACM |
276 | #define SCA_STRARRAY syscall_arg__scnprintf_strarray |
277 | ||
78645cf3 ACM |
278 | static size_t syscall_arg__scnprintf_strhexarray(char *bf, size_t size, |
279 | struct syscall_arg *arg) | |
280 | { | |
281 | return __syscall_arg__scnprintf_strarray(bf, size, "%#x", arg); | |
282 | } | |
283 | ||
284 | #define SCA_STRHEXARRAY syscall_arg__scnprintf_strhexarray | |
285 | ||
75b757ca ACM |
286 | static size_t syscall_arg__scnprintf_fd(char *bf, size_t size, |
287 | struct syscall_arg *arg); | |
288 | ||
289 | #define SCA_FD syscall_arg__scnprintf_fd | |
290 | ||
291 | static size_t syscall_arg__scnprintf_fd_at(char *bf, size_t size, | |
292 | struct syscall_arg *arg) | |
293 | { | |
294 | int fd = arg->val; | |
295 | ||
296 | if (fd == AT_FDCWD) | |
297 | return scnprintf(bf, size, "CWD"); | |
298 | ||
299 | return syscall_arg__scnprintf_fd(bf, size, arg); | |
300 | } | |
301 | ||
302 | #define SCA_FDAT syscall_arg__scnprintf_fd_at | |
303 | ||
304 | static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size, | |
305 | struct syscall_arg *arg); | |
306 | ||
307 | #define SCA_CLOSE_FD syscall_arg__scnprintf_close_fd | |
308 | ||
6e7eeb51 | 309 | static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, |
01533e97 | 310 | struct syscall_arg *arg) |
13d4ff3e | 311 | { |
01533e97 | 312 | return scnprintf(bf, size, "%#lx", arg->val); |
13d4ff3e ACM |
313 | } |
314 | ||
beccb2b5 ACM |
315 | #define SCA_HEX syscall_arg__scnprintf_hex |
316 | ||
6e7eeb51 | 317 | static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, |
01533e97 | 318 | struct syscall_arg *arg) |
ae685380 | 319 | { |
01533e97 | 320 | int printed = 0, prot = arg->val; |
ae685380 ACM |
321 | |
322 | if (prot == PROT_NONE) | |
323 | return scnprintf(bf, size, "NONE"); | |
324 | #define P_MMAP_PROT(n) \ | |
325 | if (prot & PROT_##n) { \ | |
326 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
327 | prot &= ~PROT_##n; \ | |
328 | } | |
329 | ||
330 | P_MMAP_PROT(EXEC); | |
331 | P_MMAP_PROT(READ); | |
332 | P_MMAP_PROT(WRITE); | |
333 | #ifdef PROT_SEM | |
334 | P_MMAP_PROT(SEM); | |
335 | #endif | |
336 | P_MMAP_PROT(GROWSDOWN); | |
337 | P_MMAP_PROT(GROWSUP); | |
338 | #undef P_MMAP_PROT | |
339 | ||
340 | if (prot) | |
341 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot); | |
342 | ||
343 | return printed; | |
344 | } | |
345 | ||
346 | #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot | |
347 | ||
6e7eeb51 | 348 | static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, |
01533e97 | 349 | struct syscall_arg *arg) |
941557e0 | 350 | { |
01533e97 | 351 | int printed = 0, flags = arg->val; |
941557e0 ACM |
352 | |
353 | #define P_MMAP_FLAG(n) \ | |
354 | if (flags & MAP_##n) { \ | |
355 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
356 | flags &= ~MAP_##n; \ | |
357 | } | |
358 | ||
359 | P_MMAP_FLAG(SHARED); | |
360 | P_MMAP_FLAG(PRIVATE); | |
41817815 | 361 | #ifdef MAP_32BIT |
941557e0 | 362 | P_MMAP_FLAG(32BIT); |
41817815 | 363 | #endif |
941557e0 ACM |
364 | P_MMAP_FLAG(ANONYMOUS); |
365 | P_MMAP_FLAG(DENYWRITE); | |
366 | P_MMAP_FLAG(EXECUTABLE); | |
367 | P_MMAP_FLAG(FILE); | |
368 | P_MMAP_FLAG(FIXED); | |
369 | P_MMAP_FLAG(GROWSDOWN); | |
f2935f3e | 370 | #ifdef MAP_HUGETLB |
941557e0 | 371 | P_MMAP_FLAG(HUGETLB); |
f2935f3e | 372 | #endif |
941557e0 ACM |
373 | P_MMAP_FLAG(LOCKED); |
374 | P_MMAP_FLAG(NONBLOCK); | |
375 | P_MMAP_FLAG(NORESERVE); | |
376 | P_MMAP_FLAG(POPULATE); | |
377 | P_MMAP_FLAG(STACK); | |
378 | #ifdef MAP_UNINITIALIZED | |
379 | P_MMAP_FLAG(UNINITIALIZED); | |
380 | #endif | |
381 | #undef P_MMAP_FLAG | |
382 | ||
383 | if (flags) | |
384 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
385 | ||
386 | return printed; | |
387 | } | |
388 | ||
389 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags | |
390 | ||
6e7eeb51 | 391 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, |
01533e97 | 392 | struct syscall_arg *arg) |
9e9716d1 | 393 | { |
01533e97 | 394 | int behavior = arg->val; |
9e9716d1 ACM |
395 | |
396 | switch (behavior) { | |
397 | #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) | |
398 | P_MADV_BHV(NORMAL); | |
399 | P_MADV_BHV(RANDOM); | |
400 | P_MADV_BHV(SEQUENTIAL); | |
401 | P_MADV_BHV(WILLNEED); | |
402 | P_MADV_BHV(DONTNEED); | |
403 | P_MADV_BHV(REMOVE); | |
404 | P_MADV_BHV(DONTFORK); | |
405 | P_MADV_BHV(DOFORK); | |
406 | P_MADV_BHV(HWPOISON); | |
407 | #ifdef MADV_SOFT_OFFLINE | |
408 | P_MADV_BHV(SOFT_OFFLINE); | |
409 | #endif | |
410 | P_MADV_BHV(MERGEABLE); | |
411 | P_MADV_BHV(UNMERGEABLE); | |
f2935f3e | 412 | #ifdef MADV_HUGEPAGE |
9e9716d1 | 413 | P_MADV_BHV(HUGEPAGE); |
f2935f3e DA |
414 | #endif |
415 | #ifdef MADV_NOHUGEPAGE | |
9e9716d1 | 416 | P_MADV_BHV(NOHUGEPAGE); |
f2935f3e | 417 | #endif |
9e9716d1 ACM |
418 | #ifdef MADV_DONTDUMP |
419 | P_MADV_BHV(DONTDUMP); | |
420 | #endif | |
421 | #ifdef MADV_DODUMP | |
422 | P_MADV_BHV(DODUMP); | |
423 | #endif | |
424 | #undef P_MADV_PHV | |
425 | default: break; | |
426 | } | |
427 | ||
428 | return scnprintf(bf, size, "%#x", behavior); | |
429 | } | |
430 | ||
431 | #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior | |
432 | ||
5cea6ff2 ACM |
433 | static size_t syscall_arg__scnprintf_flock(char *bf, size_t size, |
434 | struct syscall_arg *arg) | |
435 | { | |
436 | int printed = 0, op = arg->val; | |
437 | ||
438 | if (op == 0) | |
439 | return scnprintf(bf, size, "NONE"); | |
440 | #define P_CMD(cmd) \ | |
441 | if ((op & LOCK_##cmd) == LOCK_##cmd) { \ | |
442 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \ | |
443 | op &= ~LOCK_##cmd; \ | |
444 | } | |
445 | ||
446 | P_CMD(SH); | |
447 | P_CMD(EX); | |
448 | P_CMD(NB); | |
449 | P_CMD(UN); | |
450 | P_CMD(MAND); | |
451 | P_CMD(RW); | |
452 | P_CMD(READ); | |
453 | P_CMD(WRITE); | |
454 | #undef P_OP | |
455 | ||
456 | if (op) | |
457 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op); | |
458 | ||
459 | return printed; | |
460 | } | |
461 | ||
462 | #define SCA_FLOCK syscall_arg__scnprintf_flock | |
463 | ||
01533e97 | 464 | static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg) |
f9da0b0c ACM |
465 | { |
466 | enum syscall_futex_args { | |
467 | SCF_UADDR = (1 << 0), | |
468 | SCF_OP = (1 << 1), | |
469 | SCF_VAL = (1 << 2), | |
470 | SCF_TIMEOUT = (1 << 3), | |
471 | SCF_UADDR2 = (1 << 4), | |
472 | SCF_VAL3 = (1 << 5), | |
473 | }; | |
01533e97 | 474 | int op = arg->val; |
f9da0b0c ACM |
475 | int cmd = op & FUTEX_CMD_MASK; |
476 | size_t printed = 0; | |
477 | ||
478 | switch (cmd) { | |
479 | #define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, #n); | |
01533e97 ACM |
480 | P_FUTEX_OP(WAIT); arg->mask |= SCF_VAL3|SCF_UADDR2; break; |
481 | P_FUTEX_OP(WAKE); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
482 | P_FUTEX_OP(FD); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
483 | P_FUTEX_OP(REQUEUE); arg->mask |= SCF_VAL3|SCF_TIMEOUT; break; | |
484 | P_FUTEX_OP(CMP_REQUEUE); arg->mask |= SCF_TIMEOUT; break; | |
485 | P_FUTEX_OP(CMP_REQUEUE_PI); arg->mask |= SCF_TIMEOUT; break; | |
f9da0b0c | 486 | P_FUTEX_OP(WAKE_OP); break; |
01533e97 ACM |
487 | P_FUTEX_OP(LOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; |
488 | P_FUTEX_OP(UNLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
489 | P_FUTEX_OP(TRYLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2; break; | |
490 | P_FUTEX_OP(WAIT_BITSET); arg->mask |= SCF_UADDR2; break; | |
491 | P_FUTEX_OP(WAKE_BITSET); arg->mask |= SCF_UADDR2; break; | |
f9da0b0c ACM |
492 | P_FUTEX_OP(WAIT_REQUEUE_PI); break; |
493 | default: printed = scnprintf(bf, size, "%#x", cmd); break; | |
494 | } | |
495 | ||
496 | if (op & FUTEX_PRIVATE_FLAG) | |
497 | printed += scnprintf(bf + printed, size - printed, "|PRIV"); | |
498 | ||
499 | if (op & FUTEX_CLOCK_REALTIME) | |
500 | printed += scnprintf(bf + printed, size - printed, "|CLKRT"); | |
501 | ||
502 | return printed; | |
503 | } | |
504 | ||
efe6b882 ACM |
505 | #define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op |
506 | ||
03e3adc9 ACM |
507 | static const char *epoll_ctl_ops[] = { "ADD", "DEL", "MOD", }; |
508 | static DEFINE_STRARRAY_OFFSET(epoll_ctl_ops, 1); | |
eac032c5 | 509 | |
1f115cb7 ACM |
510 | static const char *itimers[] = { "REAL", "VIRTUAL", "PROF", }; |
511 | static DEFINE_STRARRAY(itimers); | |
512 | ||
efe6b882 ACM |
513 | static const char *whences[] = { "SET", "CUR", "END", |
514 | #ifdef SEEK_DATA | |
515 | "DATA", | |
516 | #endif | |
517 | #ifdef SEEK_HOLE | |
518 | "HOLE", | |
519 | #endif | |
520 | }; | |
521 | static DEFINE_STRARRAY(whences); | |
f9da0b0c | 522 | |
80f587d5 ACM |
523 | static const char *fcntl_cmds[] = { |
524 | "DUPFD", "GETFD", "SETFD", "GETFL", "SETFL", "GETLK", "SETLK", | |
525 | "SETLKW", "SETOWN", "GETOWN", "SETSIG", "GETSIG", "F_GETLK64", | |
526 | "F_SETLK64", "F_SETLKW64", "F_SETOWN_EX", "F_GETOWN_EX", | |
527 | "F_GETOWNER_UIDS", | |
528 | }; | |
529 | static DEFINE_STRARRAY(fcntl_cmds); | |
530 | ||
c045bf02 ACM |
531 | static const char *rlimit_resources[] = { |
532 | "CPU", "FSIZE", "DATA", "STACK", "CORE", "RSS", "NPROC", "NOFILE", | |
533 | "MEMLOCK", "AS", "LOCKS", "SIGPENDING", "MSGQUEUE", "NICE", "RTPRIO", | |
534 | "RTTIME", | |
535 | }; | |
536 | static DEFINE_STRARRAY(rlimit_resources); | |
537 | ||
eb5b1b14 ACM |
538 | static const char *sighow[] = { "BLOCK", "UNBLOCK", "SETMASK", }; |
539 | static DEFINE_STRARRAY(sighow); | |
540 | ||
4f8c1b74 DA |
541 | static const char *clockid[] = { |
542 | "REALTIME", "MONOTONIC", "PROCESS_CPUTIME_ID", "THREAD_CPUTIME_ID", | |
543 | "MONOTONIC_RAW", "REALTIME_COARSE", "MONOTONIC_COARSE", | |
544 | }; | |
545 | static DEFINE_STRARRAY(clockid); | |
546 | ||
e10bce81 ACM |
547 | static const char *socket_families[] = { |
548 | "UNSPEC", "LOCAL", "INET", "AX25", "IPX", "APPLETALK", "NETROM", | |
549 | "BRIDGE", "ATMPVC", "X25", "INET6", "ROSE", "DECnet", "NETBEUI", | |
550 | "SECURITY", "KEY", "NETLINK", "PACKET", "ASH", "ECONET", "ATMSVC", | |
551 | "RDS", "SNA", "IRDA", "PPPOX", "WANPIPE", "LLC", "IB", "CAN", "TIPC", | |
552 | "BLUETOOTH", "IUCV", "RXRPC", "ISDN", "PHONET", "IEEE802154", "CAIF", | |
553 | "ALG", "NFC", "VSOCK", | |
554 | }; | |
555 | static DEFINE_STRARRAY(socket_families); | |
556 | ||
a28b24b2 ACM |
557 | #ifndef SOCK_TYPE_MASK |
558 | #define SOCK_TYPE_MASK 0xf | |
559 | #endif | |
560 | ||
561 | static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size, | |
562 | struct syscall_arg *arg) | |
563 | { | |
564 | size_t printed; | |
565 | int type = arg->val, | |
566 | flags = type & ~SOCK_TYPE_MASK; | |
567 | ||
568 | type &= SOCK_TYPE_MASK; | |
569 | /* | |
570 | * Can't use a strarray, MIPS may override for ABI reasons. | |
571 | */ | |
572 | switch (type) { | |
573 | #define P_SK_TYPE(n) case SOCK_##n: printed = scnprintf(bf, size, #n); break; | |
574 | P_SK_TYPE(STREAM); | |
575 | P_SK_TYPE(DGRAM); | |
576 | P_SK_TYPE(RAW); | |
577 | P_SK_TYPE(RDM); | |
578 | P_SK_TYPE(SEQPACKET); | |
579 | P_SK_TYPE(DCCP); | |
580 | P_SK_TYPE(PACKET); | |
581 | #undef P_SK_TYPE | |
582 | default: | |
583 | printed = scnprintf(bf, size, "%#x", type); | |
584 | } | |
585 | ||
586 | #define P_SK_FLAG(n) \ | |
587 | if (flags & SOCK_##n) { \ | |
588 | printed += scnprintf(bf + printed, size - printed, "|%s", #n); \ | |
589 | flags &= ~SOCK_##n; \ | |
590 | } | |
591 | ||
592 | P_SK_FLAG(CLOEXEC); | |
593 | P_SK_FLAG(NONBLOCK); | |
594 | #undef P_SK_FLAG | |
595 | ||
596 | if (flags) | |
597 | printed += scnprintf(bf + printed, size - printed, "|%#x", flags); | |
598 | ||
599 | return printed; | |
600 | } | |
601 | ||
602 | #define SCA_SK_TYPE syscall_arg__scnprintf_socket_type | |
603 | ||
b2cc99fd ACM |
604 | #ifndef MSG_PROBE |
605 | #define MSG_PROBE 0x10 | |
606 | #endif | |
b6e8f8f4 DA |
607 | #ifndef MSG_WAITFORONE |
608 | #define MSG_WAITFORONE 0x10000 | |
609 | #endif | |
b2cc99fd ACM |
610 | #ifndef MSG_SENDPAGE_NOTLAST |
611 | #define MSG_SENDPAGE_NOTLAST 0x20000 | |
612 | #endif | |
613 | #ifndef MSG_FASTOPEN | |
614 | #define MSG_FASTOPEN 0x20000000 | |
615 | #endif | |
616 | ||
617 | static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size, | |
618 | struct syscall_arg *arg) | |
619 | { | |
620 | int printed = 0, flags = arg->val; | |
621 | ||
622 | if (flags == 0) | |
623 | return scnprintf(bf, size, "NONE"); | |
624 | #define P_MSG_FLAG(n) \ | |
625 | if (flags & MSG_##n) { \ | |
626 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
627 | flags &= ~MSG_##n; \ | |
628 | } | |
629 | ||
630 | P_MSG_FLAG(OOB); | |
631 | P_MSG_FLAG(PEEK); | |
632 | P_MSG_FLAG(DONTROUTE); | |
633 | P_MSG_FLAG(TRYHARD); | |
634 | P_MSG_FLAG(CTRUNC); | |
635 | P_MSG_FLAG(PROBE); | |
636 | P_MSG_FLAG(TRUNC); | |
637 | P_MSG_FLAG(DONTWAIT); | |
638 | P_MSG_FLAG(EOR); | |
639 | P_MSG_FLAG(WAITALL); | |
640 | P_MSG_FLAG(FIN); | |
641 | P_MSG_FLAG(SYN); | |
642 | P_MSG_FLAG(CONFIRM); | |
643 | P_MSG_FLAG(RST); | |
644 | P_MSG_FLAG(ERRQUEUE); | |
645 | P_MSG_FLAG(NOSIGNAL); | |
646 | P_MSG_FLAG(MORE); | |
647 | P_MSG_FLAG(WAITFORONE); | |
648 | P_MSG_FLAG(SENDPAGE_NOTLAST); | |
649 | P_MSG_FLAG(FASTOPEN); | |
650 | P_MSG_FLAG(CMSG_CLOEXEC); | |
651 | #undef P_MSG_FLAG | |
652 | ||
653 | if (flags) | |
654 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
655 | ||
656 | return printed; | |
657 | } | |
658 | ||
659 | #define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags | |
660 | ||
51108999 ACM |
661 | static size_t syscall_arg__scnprintf_access_mode(char *bf, size_t size, |
662 | struct syscall_arg *arg) | |
663 | { | |
664 | size_t printed = 0; | |
665 | int mode = arg->val; | |
666 | ||
667 | if (mode == F_OK) /* 0 */ | |
668 | return scnprintf(bf, size, "F"); | |
669 | #define P_MODE(n) \ | |
670 | if (mode & n##_OK) { \ | |
671 | printed += scnprintf(bf + printed, size - printed, "%s", #n); \ | |
672 | mode &= ~n##_OK; \ | |
673 | } | |
674 | ||
675 | P_MODE(R); | |
676 | P_MODE(W); | |
677 | P_MODE(X); | |
678 | #undef P_MODE | |
679 | ||
680 | if (mode) | |
681 | printed += scnprintf(bf + printed, size - printed, "|%#x", mode); | |
682 | ||
683 | return printed; | |
684 | } | |
685 | ||
686 | #define SCA_ACCMODE syscall_arg__scnprintf_access_mode | |
687 | ||
be65a89a | 688 | static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, |
01533e97 | 689 | struct syscall_arg *arg) |
be65a89a | 690 | { |
01533e97 | 691 | int printed = 0, flags = arg->val; |
be65a89a ACM |
692 | |
693 | if (!(flags & O_CREAT)) | |
01533e97 | 694 | arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */ |
be65a89a ACM |
695 | |
696 | if (flags == 0) | |
697 | return scnprintf(bf, size, "RDONLY"); | |
698 | #define P_FLAG(n) \ | |
699 | if (flags & O_##n) { \ | |
700 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
701 | flags &= ~O_##n; \ | |
702 | } | |
703 | ||
704 | P_FLAG(APPEND); | |
705 | P_FLAG(ASYNC); | |
706 | P_FLAG(CLOEXEC); | |
707 | P_FLAG(CREAT); | |
708 | P_FLAG(DIRECT); | |
709 | P_FLAG(DIRECTORY); | |
710 | P_FLAG(EXCL); | |
711 | P_FLAG(LARGEFILE); | |
712 | P_FLAG(NOATIME); | |
713 | P_FLAG(NOCTTY); | |
714 | #ifdef O_NONBLOCK | |
715 | P_FLAG(NONBLOCK); | |
716 | #elif O_NDELAY | |
717 | P_FLAG(NDELAY); | |
718 | #endif | |
719 | #ifdef O_PATH | |
720 | P_FLAG(PATH); | |
721 | #endif | |
722 | P_FLAG(RDWR); | |
723 | #ifdef O_DSYNC | |
724 | if ((flags & O_SYNC) == O_SYNC) | |
725 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC"); | |
726 | else { | |
727 | P_FLAG(DSYNC); | |
728 | } | |
729 | #else | |
730 | P_FLAG(SYNC); | |
731 | #endif | |
732 | P_FLAG(TRUNC); | |
733 | P_FLAG(WRONLY); | |
734 | #undef P_FLAG | |
735 | ||
736 | if (flags) | |
737 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
738 | ||
739 | return printed; | |
740 | } | |
741 | ||
742 | #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags | |
743 | ||
49af9e93 ACM |
744 | static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, |
745 | struct syscall_arg *arg) | |
746 | { | |
747 | int printed = 0, flags = arg->val; | |
748 | ||
749 | if (flags == 0) | |
750 | return scnprintf(bf, size, "NONE"); | |
751 | #define P_FLAG(n) \ | |
752 | if (flags & EFD_##n) { \ | |
753 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
754 | flags &= ~EFD_##n; \ | |
755 | } | |
756 | ||
757 | P_FLAG(SEMAPHORE); | |
758 | P_FLAG(CLOEXEC); | |
759 | P_FLAG(NONBLOCK); | |
760 | #undef P_FLAG | |
761 | ||
762 | if (flags) | |
763 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
764 | ||
765 | return printed; | |
766 | } | |
767 | ||
768 | #define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags | |
769 | ||
46cce19b ACM |
770 | static size_t syscall_arg__scnprintf_pipe_flags(char *bf, size_t size, |
771 | struct syscall_arg *arg) | |
772 | { | |
773 | int printed = 0, flags = arg->val; | |
774 | ||
775 | #define P_FLAG(n) \ | |
776 | if (flags & O_##n) { \ | |
777 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
778 | flags &= ~O_##n; \ | |
779 | } | |
780 | ||
781 | P_FLAG(CLOEXEC); | |
782 | P_FLAG(NONBLOCK); | |
783 | #undef P_FLAG | |
784 | ||
785 | if (flags) | |
786 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
787 | ||
788 | return printed; | |
789 | } | |
790 | ||
791 | #define SCA_PIPE_FLAGS syscall_arg__scnprintf_pipe_flags | |
792 | ||
8bad5b0a ACM |
793 | static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg) |
794 | { | |
795 | int sig = arg->val; | |
796 | ||
797 | switch (sig) { | |
798 | #define P_SIGNUM(n) case SIG##n: return scnprintf(bf, size, #n) | |
799 | P_SIGNUM(HUP); | |
800 | P_SIGNUM(INT); | |
801 | P_SIGNUM(QUIT); | |
802 | P_SIGNUM(ILL); | |
803 | P_SIGNUM(TRAP); | |
804 | P_SIGNUM(ABRT); | |
805 | P_SIGNUM(BUS); | |
806 | P_SIGNUM(FPE); | |
807 | P_SIGNUM(KILL); | |
808 | P_SIGNUM(USR1); | |
809 | P_SIGNUM(SEGV); | |
810 | P_SIGNUM(USR2); | |
811 | P_SIGNUM(PIPE); | |
812 | P_SIGNUM(ALRM); | |
813 | P_SIGNUM(TERM); | |
814 | P_SIGNUM(STKFLT); | |
815 | P_SIGNUM(CHLD); | |
816 | P_SIGNUM(CONT); | |
817 | P_SIGNUM(STOP); | |
818 | P_SIGNUM(TSTP); | |
819 | P_SIGNUM(TTIN); | |
820 | P_SIGNUM(TTOU); | |
821 | P_SIGNUM(URG); | |
822 | P_SIGNUM(XCPU); | |
823 | P_SIGNUM(XFSZ); | |
824 | P_SIGNUM(VTALRM); | |
825 | P_SIGNUM(PROF); | |
826 | P_SIGNUM(WINCH); | |
827 | P_SIGNUM(IO); | |
828 | P_SIGNUM(PWR); | |
829 | P_SIGNUM(SYS); | |
830 | default: break; | |
831 | } | |
832 | ||
833 | return scnprintf(bf, size, "%#x", sig); | |
834 | } | |
835 | ||
836 | #define SCA_SIGNUM syscall_arg__scnprintf_signum | |
837 | ||
78645cf3 ACM |
838 | #define TCGETS 0x5401 |
839 | ||
840 | static const char *tioctls[] = { | |
841 | "TCGETS", "TCSETS", "TCSETSW", "TCSETSF", "TCGETA", "TCSETA", "TCSETAW", | |
842 | "TCSETAF", "TCSBRK", "TCXONC", "TCFLSH", "TIOCEXCL", "TIOCNXCL", | |
843 | "TIOCSCTTY", "TIOCGPGRP", "TIOCSPGRP", "TIOCOUTQ", "TIOCSTI", | |
844 | "TIOCGWINSZ", "TIOCSWINSZ", "TIOCMGET", "TIOCMBIS", "TIOCMBIC", | |
845 | "TIOCMSET", "TIOCGSOFTCAR", "TIOCSSOFTCAR", "FIONREAD", "TIOCLINUX", | |
846 | "TIOCCONS", "TIOCGSERIAL", "TIOCSSERIAL", "TIOCPKT", "FIONBIO", | |
847 | "TIOCNOTTY", "TIOCSETD", "TIOCGETD", "TCSBRKP", [0x27] = "TIOCSBRK", | |
848 | "TIOCCBRK", "TIOCGSID", "TCGETS2", "TCSETS2", "TCSETSW2", "TCSETSF2", | |
849 | "TIOCGRS485", "TIOCSRS485", "TIOCGPTN", "TIOCSPTLCK", | |
850 | "TIOCGDEV||TCGETX", "TCSETX", "TCSETXF", "TCSETXW", "TIOCSIG", | |
851 | "TIOCVHANGUP", "TIOCGPKT", "TIOCGPTLCK", "TIOCGEXCL", | |
852 | [0x50] = "FIONCLEX", "FIOCLEX", "FIOASYNC", "TIOCSERCONFIG", | |
853 | "TIOCSERGWILD", "TIOCSERSWILD", "TIOCGLCKTRMIOS", "TIOCSLCKTRMIOS", | |
854 | "TIOCSERGSTRUCT", "TIOCSERGETLSR", "TIOCSERGETMULTI", "TIOCSERSETMULTI", | |
855 | "TIOCMIWAIT", "TIOCGICOUNT", [0x60] = "FIOQSIZE", | |
856 | }; | |
857 | ||
858 | static DEFINE_STRARRAY_OFFSET(tioctls, 0x5401); | |
859 | ||
453350dd ACM |
860 | #define STRARRAY(arg, name, array) \ |
861 | .arg_scnprintf = { [arg] = SCA_STRARRAY, }, \ | |
862 | .arg_parm = { [arg] = &strarray__##array, } | |
863 | ||
514f1c67 ACM |
864 | static struct syscall_fmt { |
865 | const char *name; | |
aec1930b | 866 | const char *alias; |
01533e97 | 867 | size_t (*arg_scnprintf[6])(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 868 | void *arg_parm[6]; |
514f1c67 ACM |
869 | bool errmsg; |
870 | bool timeout; | |
04b34729 | 871 | bool hexret; |
514f1c67 | 872 | } syscall_fmts[] = { |
51108999 ACM |
873 | { .name = "access", .errmsg = true, |
874 | .arg_scnprintf = { [1] = SCA_ACCMODE, /* mode */ }, }, | |
aec1930b | 875 | { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, |
beccb2b5 ACM |
876 | { .name = "brk", .hexret = true, |
877 | .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, | |
4f8c1b74 | 878 | { .name = "clock_gettime", .errmsg = true, STRARRAY(0, clk_id, clockid), }, |
75b757ca ACM |
879 | { .name = "close", .errmsg = true, |
880 | .arg_scnprintf = { [0] = SCA_CLOSE_FD, /* fd */ }, }, | |
a14bb860 | 881 | { .name = "connect", .errmsg = true, }, |
75b757ca ACM |
882 | { .name = "dup", .errmsg = true, |
883 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
884 | { .name = "dup2", .errmsg = true, | |
885 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
886 | { .name = "dup3", .errmsg = true, | |
887 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
453350dd | 888 | { .name = "epoll_ctl", .errmsg = true, STRARRAY(1, op, epoll_ctl_ops), }, |
49af9e93 ACM |
889 | { .name = "eventfd2", .errmsg = true, |
890 | .arg_scnprintf = { [1] = SCA_EFD_FLAGS, /* flags */ }, }, | |
75b757ca ACM |
891 | { .name = "faccessat", .errmsg = true, |
892 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
893 | { .name = "fadvise64", .errmsg = true, | |
894 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
895 | { .name = "fallocate", .errmsg = true, | |
896 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
897 | { .name = "fchdir", .errmsg = true, | |
898 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
899 | { .name = "fchmod", .errmsg = true, | |
900 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
901 | { .name = "fchmodat", .errmsg = true, | |
902 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, | |
903 | { .name = "fchown", .errmsg = true, | |
904 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
905 | { .name = "fchownat", .errmsg = true, | |
906 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, | |
907 | { .name = "fcntl", .errmsg = true, | |
908 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ | |
909 | [1] = SCA_STRARRAY, /* cmd */ }, | |
910 | .arg_parm = { [1] = &strarray__fcntl_cmds, /* cmd */ }, }, | |
911 | { .name = "fdatasync", .errmsg = true, | |
912 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
5cea6ff2 | 913 | { .name = "flock", .errmsg = true, |
75b757ca ACM |
914 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ |
915 | [1] = SCA_FLOCK, /* cmd */ }, }, | |
916 | { .name = "fsetxattr", .errmsg = true, | |
917 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
918 | { .name = "fstat", .errmsg = true, .alias = "newfstat", | |
919 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
920 | { .name = "fstatat", .errmsg = true, .alias = "newfstatat", | |
921 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
922 | { .name = "fstatfs", .errmsg = true, | |
923 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
924 | { .name = "fsync", .errmsg = true, | |
925 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
926 | { .name = "ftruncate", .errmsg = true, | |
927 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
f9da0b0c ACM |
928 | { .name = "futex", .errmsg = true, |
929 | .arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, }, | |
75b757ca ACM |
930 | { .name = "futimesat", .errmsg = true, |
931 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, | |
932 | { .name = "getdents", .errmsg = true, | |
933 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
934 | { .name = "getdents64", .errmsg = true, | |
935 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
453350dd ACM |
936 | { .name = "getitimer", .errmsg = true, STRARRAY(0, which, itimers), }, |
937 | { .name = "getrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, | |
beccb2b5 | 938 | { .name = "ioctl", .errmsg = true, |
75b757ca | 939 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ |
78645cf3 ACM |
940 | [1] = SCA_STRHEXARRAY, /* cmd */ |
941 | [2] = SCA_HEX, /* arg */ }, | |
942 | .arg_parm = { [1] = &strarray__tioctls, /* cmd */ }, }, | |
8bad5b0a ACM |
943 | { .name = "kill", .errmsg = true, |
944 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
75b757ca ACM |
945 | { .name = "linkat", .errmsg = true, |
946 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, | |
947 | { .name = "lseek", .errmsg = true, | |
948 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ | |
949 | [2] = SCA_STRARRAY, /* whence */ }, | |
950 | .arg_parm = { [2] = &strarray__whences, /* whence */ }, }, | |
e5959683 | 951 | { .name = "lstat", .errmsg = true, .alias = "newlstat", }, |
9e9716d1 ACM |
952 | { .name = "madvise", .errmsg = true, |
953 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ | |
954 | [2] = SCA_MADV_BHV, /* behavior */ }, }, | |
75b757ca ACM |
955 | { .name = "mkdirat", .errmsg = true, |
956 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, | |
957 | { .name = "mknodat", .errmsg = true, | |
958 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, | |
3d903aa7 ACM |
959 | { .name = "mlock", .errmsg = true, |
960 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
961 | { .name = "mlockall", .errmsg = true, | |
962 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
beccb2b5 | 963 | { .name = "mmap", .hexret = true, |
ae685380 | 964 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ |
941557e0 | 965 | [2] = SCA_MMAP_PROT, /* prot */ |
73faab3a NK |
966 | [3] = SCA_MMAP_FLAGS, /* flags */ |
967 | [4] = SCA_FD, /* fd */ }, }, | |
beccb2b5 | 968 | { .name = "mprotect", .errmsg = true, |
ae685380 ACM |
969 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ |
970 | [2] = SCA_MMAP_PROT, /* prot */ }, }, | |
971 | { .name = "mremap", .hexret = true, | |
972 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ | |
973 | [4] = SCA_HEX, /* new_addr */ }, }, | |
3d903aa7 ACM |
974 | { .name = "munlock", .errmsg = true, |
975 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
beccb2b5 ACM |
976 | { .name = "munmap", .errmsg = true, |
977 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
75b757ca ACM |
978 | { .name = "name_to_handle_at", .errmsg = true, |
979 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
980 | { .name = "newfstatat", .errmsg = true, | |
981 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
be65a89a ACM |
982 | { .name = "open", .errmsg = true, |
983 | .arg_scnprintf = { [1] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
31cd3855 | 984 | { .name = "open_by_handle_at", .errmsg = true, |
75b757ca ACM |
985 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ |
986 | [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
31cd3855 | 987 | { .name = "openat", .errmsg = true, |
75b757ca ACM |
988 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ |
989 | [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
46cce19b ACM |
990 | { .name = "pipe2", .errmsg = true, |
991 | .arg_scnprintf = { [1] = SCA_PIPE_FLAGS, /* flags */ }, }, | |
aec1930b ACM |
992 | { .name = "poll", .errmsg = true, .timeout = true, }, |
993 | { .name = "ppoll", .errmsg = true, .timeout = true, }, | |
75b757ca ACM |
994 | { .name = "pread", .errmsg = true, .alias = "pread64", |
995 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
996 | { .name = "preadv", .errmsg = true, .alias = "pread", | |
997 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
453350dd | 998 | { .name = "prlimit64", .errmsg = true, STRARRAY(1, resource, rlimit_resources), }, |
75b757ca ACM |
999 | { .name = "pwrite", .errmsg = true, .alias = "pwrite64", |
1000 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
1001 | { .name = "pwritev", .errmsg = true, | |
1002 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
1003 | { .name = "read", .errmsg = true, | |
1004 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
1005 | { .name = "readlinkat", .errmsg = true, | |
1006 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
1007 | { .name = "readv", .errmsg = true, | |
1008 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
b2cc99fd ACM |
1009 | { .name = "recvfrom", .errmsg = true, |
1010 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
1011 | { .name = "recvmmsg", .errmsg = true, | |
1012 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
1013 | { .name = "recvmsg", .errmsg = true, | |
1014 | .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, | |
75b757ca ACM |
1015 | { .name = "renameat", .errmsg = true, |
1016 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
8bad5b0a ACM |
1017 | { .name = "rt_sigaction", .errmsg = true, |
1018 | .arg_scnprintf = { [0] = SCA_SIGNUM, /* sig */ }, }, | |
453350dd | 1019 | { .name = "rt_sigprocmask", .errmsg = true, STRARRAY(0, how, sighow), }, |
8bad5b0a ACM |
1020 | { .name = "rt_sigqueueinfo", .errmsg = true, |
1021 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
1022 | { .name = "rt_tgsigqueueinfo", .errmsg = true, | |
1023 | .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, | |
aec1930b | 1024 | { .name = "select", .errmsg = true, .timeout = true, }, |
b2cc99fd ACM |
1025 | { .name = "sendmmsg", .errmsg = true, |
1026 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
1027 | { .name = "sendmsg", .errmsg = true, | |
1028 | .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, | |
1029 | { .name = "sendto", .errmsg = true, | |
1030 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
453350dd ACM |
1031 | { .name = "setitimer", .errmsg = true, STRARRAY(0, which, itimers), }, |
1032 | { .name = "setrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, | |
75b757ca ACM |
1033 | { .name = "shutdown", .errmsg = true, |
1034 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
e10bce81 | 1035 | { .name = "socket", .errmsg = true, |
a28b24b2 ACM |
1036 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ |
1037 | [1] = SCA_SK_TYPE, /* type */ }, | |
07120aa5 ACM |
1038 | .arg_parm = { [0] = &strarray__socket_families, /* family */ }, }, |
1039 | { .name = "socketpair", .errmsg = true, | |
1040 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ | |
1041 | [1] = SCA_SK_TYPE, /* type */ }, | |
e10bce81 | 1042 | .arg_parm = { [0] = &strarray__socket_families, /* family */ }, }, |
aec1930b | 1043 | { .name = "stat", .errmsg = true, .alias = "newstat", }, |
75b757ca ACM |
1044 | { .name = "symlinkat", .errmsg = true, |
1045 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
8bad5b0a ACM |
1046 | { .name = "tgkill", .errmsg = true, |
1047 | .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, | |
1048 | { .name = "tkill", .errmsg = true, | |
1049 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
e5959683 | 1050 | { .name = "uname", .errmsg = true, .alias = "newuname", }, |
75b757ca ACM |
1051 | { .name = "unlinkat", .errmsg = true, |
1052 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
1053 | { .name = "utimensat", .errmsg = true, | |
1054 | .arg_scnprintf = { [0] = SCA_FDAT, /* dirfd */ }, }, | |
1055 | { .name = "write", .errmsg = true, | |
1056 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
1057 | { .name = "writev", .errmsg = true, | |
1058 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
514f1c67 ACM |
1059 | }; |
1060 | ||
1061 | static int syscall_fmt__cmp(const void *name, const void *fmtp) | |
1062 | { | |
1063 | const struct syscall_fmt *fmt = fmtp; | |
1064 | return strcmp(name, fmt->name); | |
1065 | } | |
1066 | ||
1067 | static struct syscall_fmt *syscall_fmt__find(const char *name) | |
1068 | { | |
1069 | const int nmemb = ARRAY_SIZE(syscall_fmts); | |
1070 | return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp); | |
1071 | } | |
1072 | ||
1073 | struct syscall { | |
1074 | struct event_format *tp_format; | |
1075 | const char *name; | |
2ae3a312 | 1076 | bool filtered; |
514f1c67 | 1077 | struct syscall_fmt *fmt; |
01533e97 | 1078 | size_t (**arg_scnprintf)(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 1079 | void **arg_parm; |
514f1c67 ACM |
1080 | }; |
1081 | ||
60c907ab ACM |
1082 | static size_t fprintf_duration(unsigned long t, FILE *fp) |
1083 | { | |
1084 | double duration = (double)t / NSEC_PER_MSEC; | |
1085 | size_t printed = fprintf(fp, "("); | |
1086 | ||
1087 | if (duration >= 1.0) | |
1088 | printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration); | |
1089 | else if (duration >= 0.01) | |
1090 | printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration); | |
1091 | else | |
1092 | printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration); | |
c24ff998 | 1093 | return printed + fprintf(fp, "): "); |
60c907ab ACM |
1094 | } |
1095 | ||
752fde44 ACM |
1096 | struct thread_trace { |
1097 | u64 entry_time; | |
1098 | u64 exit_time; | |
1099 | bool entry_pending; | |
efd5745e | 1100 | unsigned long nr_events; |
752fde44 | 1101 | char *entry_str; |
1302d88e | 1102 | double runtime_ms; |
75b757ca ACM |
1103 | struct { |
1104 | int max; | |
1105 | char **table; | |
1106 | } paths; | |
bf2575c1 DA |
1107 | |
1108 | struct intlist *syscall_stats; | |
752fde44 ACM |
1109 | }; |
1110 | ||
1111 | static struct thread_trace *thread_trace__new(void) | |
1112 | { | |
75b757ca ACM |
1113 | struct thread_trace *ttrace = zalloc(sizeof(struct thread_trace)); |
1114 | ||
1115 | if (ttrace) | |
1116 | ttrace->paths.max = -1; | |
1117 | ||
bf2575c1 DA |
1118 | ttrace->syscall_stats = intlist__new(NULL); |
1119 | ||
75b757ca | 1120 | return ttrace; |
752fde44 ACM |
1121 | } |
1122 | ||
c24ff998 | 1123 | static struct thread_trace *thread__trace(struct thread *thread, FILE *fp) |
752fde44 | 1124 | { |
efd5745e ACM |
1125 | struct thread_trace *ttrace; |
1126 | ||
752fde44 ACM |
1127 | if (thread == NULL) |
1128 | goto fail; | |
1129 | ||
1130 | if (thread->priv == NULL) | |
1131 | thread->priv = thread_trace__new(); | |
efd5745e | 1132 | |
752fde44 ACM |
1133 | if (thread->priv == NULL) |
1134 | goto fail; | |
1135 | ||
efd5745e ACM |
1136 | ttrace = thread->priv; |
1137 | ++ttrace->nr_events; | |
1138 | ||
1139 | return ttrace; | |
752fde44 | 1140 | fail: |
c24ff998 | 1141 | color_fprintf(fp, PERF_COLOR_RED, |
752fde44 ACM |
1142 | "WARNING: not enough memory, dropping samples!\n"); |
1143 | return NULL; | |
1144 | } | |
1145 | ||
514f1c67 | 1146 | struct trace { |
c24ff998 | 1147 | struct perf_tool tool; |
c522739d ACM |
1148 | struct { |
1149 | int machine; | |
1150 | int open_id; | |
1151 | } audit; | |
514f1c67 ACM |
1152 | struct { |
1153 | int max; | |
1154 | struct syscall *table; | |
1155 | } syscalls; | |
1156 | struct perf_record_opts opts; | |
8fb598e5 | 1157 | struct machine *host; |
752fde44 | 1158 | u64 base_time; |
4bb09192 | 1159 | bool full_time; |
c24ff998 | 1160 | FILE *output; |
efd5745e | 1161 | unsigned long nr_events; |
b059efdf ACM |
1162 | struct strlist *ev_qualifier; |
1163 | bool not_ev_qualifier; | |
75b757ca | 1164 | bool live; |
c522739d | 1165 | const char *last_vfs_getname; |
bdc89661 DA |
1166 | struct intlist *tid_list; |
1167 | struct intlist *pid_list; | |
1302d88e | 1168 | bool sched; |
752fde44 | 1169 | bool multiple_threads; |
bf2575c1 | 1170 | bool summary; |
50c95cbd | 1171 | bool show_comm; |
c522739d | 1172 | bool show_tool_stats; |
ae9ed035 | 1173 | double duration_filter; |
1302d88e | 1174 | double runtime_ms; |
c522739d ACM |
1175 | struct { |
1176 | u64 vfs_getname, proc_getname; | |
1177 | } stats; | |
514f1c67 ACM |
1178 | }; |
1179 | ||
97119f37 | 1180 | static int trace__set_fd_pathname(struct thread *thread, int fd, const char *pathname) |
75b757ca ACM |
1181 | { |
1182 | struct thread_trace *ttrace = thread->priv; | |
75b757ca ACM |
1183 | |
1184 | if (fd > ttrace->paths.max) { | |
1185 | char **npath = realloc(ttrace->paths.table, (fd + 1) * sizeof(char *)); | |
1186 | ||
1187 | if (npath == NULL) | |
1188 | return -1; | |
1189 | ||
1190 | if (ttrace->paths.max != -1) { | |
1191 | memset(npath + ttrace->paths.max + 1, 0, | |
1192 | (fd - ttrace->paths.max) * sizeof(char *)); | |
1193 | } else { | |
1194 | memset(npath, 0, (fd + 1) * sizeof(char *)); | |
1195 | } | |
1196 | ||
1197 | ttrace->paths.table = npath; | |
1198 | ttrace->paths.max = fd; | |
1199 | } | |
1200 | ||
1201 | ttrace->paths.table[fd] = strdup(pathname); | |
1202 | ||
1203 | return ttrace->paths.table[fd] != NULL ? 0 : -1; | |
1204 | } | |
1205 | ||
97119f37 ACM |
1206 | static int thread__read_fd_path(struct thread *thread, int fd) |
1207 | { | |
1208 | char linkname[PATH_MAX], pathname[PATH_MAX]; | |
1209 | struct stat st; | |
1210 | int ret; | |
1211 | ||
1212 | if (thread->pid_ == thread->tid) { | |
1213 | scnprintf(linkname, sizeof(linkname), | |
1214 | "/proc/%d/fd/%d", thread->pid_, fd); | |
1215 | } else { | |
1216 | scnprintf(linkname, sizeof(linkname), | |
1217 | "/proc/%d/task/%d/fd/%d", thread->pid_, thread->tid, fd); | |
1218 | } | |
1219 | ||
1220 | if (lstat(linkname, &st) < 0 || st.st_size + 1 > (off_t)sizeof(pathname)) | |
1221 | return -1; | |
1222 | ||
1223 | ret = readlink(linkname, pathname, sizeof(pathname)); | |
1224 | ||
1225 | if (ret < 0 || ret > st.st_size) | |
1226 | return -1; | |
1227 | ||
1228 | pathname[ret] = '\0'; | |
1229 | return trace__set_fd_pathname(thread, fd, pathname); | |
1230 | } | |
1231 | ||
c522739d ACM |
1232 | static const char *thread__fd_path(struct thread *thread, int fd, |
1233 | struct trace *trace) | |
75b757ca ACM |
1234 | { |
1235 | struct thread_trace *ttrace = thread->priv; | |
1236 | ||
1237 | if (ttrace == NULL) | |
1238 | return NULL; | |
1239 | ||
1240 | if (fd < 0) | |
1241 | return NULL; | |
1242 | ||
c522739d ACM |
1243 | if ((fd > ttrace->paths.max || ttrace->paths.table[fd] == NULL)) |
1244 | if (!trace->live) | |
1245 | return NULL; | |
1246 | ++trace->stats.proc_getname; | |
1247 | if (thread__read_fd_path(thread, fd)) { | |
1248 | return NULL; | |
1249 | } | |
75b757ca ACM |
1250 | |
1251 | return ttrace->paths.table[fd]; | |
1252 | } | |
1253 | ||
1254 | static size_t syscall_arg__scnprintf_fd(char *bf, size_t size, | |
1255 | struct syscall_arg *arg) | |
1256 | { | |
1257 | int fd = arg->val; | |
1258 | size_t printed = scnprintf(bf, size, "%d", fd); | |
c522739d | 1259 | const char *path = thread__fd_path(arg->thread, fd, arg->trace); |
75b757ca ACM |
1260 | |
1261 | if (path) | |
1262 | printed += scnprintf(bf + printed, size - printed, "<%s>", path); | |
1263 | ||
1264 | return printed; | |
1265 | } | |
1266 | ||
1267 | static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size, | |
1268 | struct syscall_arg *arg) | |
1269 | { | |
1270 | int fd = arg->val; | |
1271 | size_t printed = syscall_arg__scnprintf_fd(bf, size, arg); | |
1272 | struct thread_trace *ttrace = arg->thread->priv; | |
1273 | ||
1274 | if (ttrace && fd >= 0 && fd <= ttrace->paths.max) { | |
1275 | free(ttrace->paths.table[fd]); | |
1276 | ttrace->paths.table[fd] = NULL; | |
1277 | } | |
1278 | ||
1279 | return printed; | |
1280 | } | |
1281 | ||
ae9ed035 ACM |
1282 | static bool trace__filter_duration(struct trace *trace, double t) |
1283 | { | |
1284 | return t < (trace->duration_filter * NSEC_PER_MSEC); | |
1285 | } | |
1286 | ||
752fde44 ACM |
1287 | static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp) |
1288 | { | |
1289 | double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC; | |
1290 | ||
60c907ab | 1291 | return fprintf(fp, "%10.3f ", ts); |
752fde44 ACM |
1292 | } |
1293 | ||
f15eb531 | 1294 | static bool done = false; |
ba209f85 | 1295 | static bool interrupted = false; |
f15eb531 | 1296 | |
ba209f85 | 1297 | static void sig_handler(int sig) |
f15eb531 NK |
1298 | { |
1299 | done = true; | |
ba209f85 | 1300 | interrupted = sig == SIGINT; |
f15eb531 NK |
1301 | } |
1302 | ||
752fde44 | 1303 | static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, |
60c907ab | 1304 | u64 duration, u64 tstamp, FILE *fp) |
752fde44 ACM |
1305 | { |
1306 | size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); | |
60c907ab | 1307 | printed += fprintf_duration(duration, fp); |
752fde44 | 1308 | |
50c95cbd ACM |
1309 | if (trace->multiple_threads) { |
1310 | if (trace->show_comm) | |
1902efe7 | 1311 | printed += fprintf(fp, "%.14s/", thread__comm_str(thread)); |
38051234 | 1312 | printed += fprintf(fp, "%d ", thread->tid); |
50c95cbd | 1313 | } |
752fde44 ACM |
1314 | |
1315 | return printed; | |
1316 | } | |
1317 | ||
c24ff998 | 1318 | static int trace__process_event(struct trace *trace, struct machine *machine, |
162f0bef | 1319 | union perf_event *event, struct perf_sample *sample) |
752fde44 ACM |
1320 | { |
1321 | int ret = 0; | |
1322 | ||
1323 | switch (event->header.type) { | |
1324 | case PERF_RECORD_LOST: | |
c24ff998 | 1325 | color_fprintf(trace->output, PERF_COLOR_RED, |
752fde44 | 1326 | "LOST %" PRIu64 " events!\n", event->lost.lost); |
162f0bef | 1327 | ret = machine__process_lost_event(machine, event, sample); |
752fde44 | 1328 | default: |
162f0bef | 1329 | ret = machine__process_event(machine, event, sample); |
752fde44 ACM |
1330 | break; |
1331 | } | |
1332 | ||
1333 | return ret; | |
1334 | } | |
1335 | ||
c24ff998 | 1336 | static int trace__tool_process(struct perf_tool *tool, |
752fde44 | 1337 | union perf_event *event, |
162f0bef | 1338 | struct perf_sample *sample, |
752fde44 ACM |
1339 | struct machine *machine) |
1340 | { | |
c24ff998 | 1341 | struct trace *trace = container_of(tool, struct trace, tool); |
162f0bef | 1342 | return trace__process_event(trace, machine, event, sample); |
752fde44 ACM |
1343 | } |
1344 | ||
1345 | static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist) | |
1346 | { | |
1347 | int err = symbol__init(); | |
1348 | ||
1349 | if (err) | |
1350 | return err; | |
1351 | ||
8fb598e5 DA |
1352 | trace->host = machine__new_host(); |
1353 | if (trace->host == NULL) | |
1354 | return -ENOMEM; | |
752fde44 | 1355 | |
a33fbd56 ACM |
1356 | err = __machine__synthesize_threads(trace->host, &trace->tool, &trace->opts.target, |
1357 | evlist->threads, trace__tool_process, false); | |
752fde44 ACM |
1358 | if (err) |
1359 | symbol__exit(); | |
1360 | ||
1361 | return err; | |
1362 | } | |
1363 | ||
13d4ff3e ACM |
1364 | static int syscall__set_arg_fmts(struct syscall *sc) |
1365 | { | |
1366 | struct format_field *field; | |
1367 | int idx = 0; | |
1368 | ||
1369 | sc->arg_scnprintf = calloc(sc->tp_format->format.nr_fields - 1, sizeof(void *)); | |
1370 | if (sc->arg_scnprintf == NULL) | |
1371 | return -1; | |
1372 | ||
1f115cb7 ACM |
1373 | if (sc->fmt) |
1374 | sc->arg_parm = sc->fmt->arg_parm; | |
1375 | ||
13d4ff3e | 1376 | for (field = sc->tp_format->format.fields->next; field; field = field->next) { |
beccb2b5 ACM |
1377 | if (sc->fmt && sc->fmt->arg_scnprintf[idx]) |
1378 | sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx]; | |
1379 | else if (field->flags & FIELD_IS_POINTER) | |
13d4ff3e ACM |
1380 | sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex; |
1381 | ++idx; | |
1382 | } | |
1383 | ||
1384 | return 0; | |
1385 | } | |
1386 | ||
514f1c67 ACM |
1387 | static int trace__read_syscall_info(struct trace *trace, int id) |
1388 | { | |
1389 | char tp_name[128]; | |
1390 | struct syscall *sc; | |
c522739d | 1391 | const char *name = audit_syscall_to_name(id, trace->audit.machine); |
3a531260 ACM |
1392 | |
1393 | if (name == NULL) | |
1394 | return -1; | |
514f1c67 ACM |
1395 | |
1396 | if (id > trace->syscalls.max) { | |
1397 | struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc)); | |
1398 | ||
1399 | if (nsyscalls == NULL) | |
1400 | return -1; | |
1401 | ||
1402 | if (trace->syscalls.max != -1) { | |
1403 | memset(nsyscalls + trace->syscalls.max + 1, 0, | |
1404 | (id - trace->syscalls.max) * sizeof(*sc)); | |
1405 | } else { | |
1406 | memset(nsyscalls, 0, (id + 1) * sizeof(*sc)); | |
1407 | } | |
1408 | ||
1409 | trace->syscalls.table = nsyscalls; | |
1410 | trace->syscalls.max = id; | |
1411 | } | |
1412 | ||
1413 | sc = trace->syscalls.table + id; | |
3a531260 | 1414 | sc->name = name; |
2ae3a312 | 1415 | |
b059efdf ACM |
1416 | if (trace->ev_qualifier) { |
1417 | bool in = strlist__find(trace->ev_qualifier, name) != NULL; | |
1418 | ||
1419 | if (!(in ^ trace->not_ev_qualifier)) { | |
1420 | sc->filtered = true; | |
1421 | /* | |
1422 | * No need to do read tracepoint information since this will be | |
1423 | * filtered out. | |
1424 | */ | |
1425 | return 0; | |
1426 | } | |
2ae3a312 ACM |
1427 | } |
1428 | ||
3a531260 | 1429 | sc->fmt = syscall_fmt__find(sc->name); |
514f1c67 | 1430 | |
aec1930b | 1431 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); |
514f1c67 | 1432 | sc->tp_format = event_format__new("syscalls", tp_name); |
aec1930b ACM |
1433 | |
1434 | if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) { | |
1435 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias); | |
1436 | sc->tp_format = event_format__new("syscalls", tp_name); | |
1437 | } | |
514f1c67 | 1438 | |
13d4ff3e ACM |
1439 | if (sc->tp_format == NULL) |
1440 | return -1; | |
1441 | ||
1442 | return syscall__set_arg_fmts(sc); | |
514f1c67 ACM |
1443 | } |
1444 | ||
752fde44 | 1445 | static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, |
75b757ca ACM |
1446 | unsigned long *args, struct trace *trace, |
1447 | struct thread *thread) | |
514f1c67 | 1448 | { |
514f1c67 ACM |
1449 | size_t printed = 0; |
1450 | ||
1451 | if (sc->tp_format != NULL) { | |
1452 | struct format_field *field; | |
01533e97 ACM |
1453 | u8 bit = 1; |
1454 | struct syscall_arg arg = { | |
75b757ca ACM |
1455 | .idx = 0, |
1456 | .mask = 0, | |
1457 | .trace = trace, | |
1458 | .thread = thread, | |
01533e97 | 1459 | }; |
6e7eeb51 ACM |
1460 | |
1461 | for (field = sc->tp_format->format.fields->next; field; | |
01533e97 ACM |
1462 | field = field->next, ++arg.idx, bit <<= 1) { |
1463 | if (arg.mask & bit) | |
6e7eeb51 | 1464 | continue; |
4aa58232 ACM |
1465 | /* |
1466 | * Suppress this argument if its value is zero and | |
1467 | * and we don't have a string associated in an | |
1468 | * strarray for it. | |
1469 | */ | |
1470 | if (args[arg.idx] == 0 && | |
1471 | !(sc->arg_scnprintf && | |
1472 | sc->arg_scnprintf[arg.idx] == SCA_STRARRAY && | |
1473 | sc->arg_parm[arg.idx])) | |
22ae5cf1 ACM |
1474 | continue; |
1475 | ||
752fde44 | 1476 | printed += scnprintf(bf + printed, size - printed, |
13d4ff3e | 1477 | "%s%s: ", printed ? ", " : "", field->name); |
01533e97 ACM |
1478 | if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) { |
1479 | arg.val = args[arg.idx]; | |
1f115cb7 ACM |
1480 | if (sc->arg_parm) |
1481 | arg.parm = sc->arg_parm[arg.idx]; | |
01533e97 ACM |
1482 | printed += sc->arg_scnprintf[arg.idx](bf + printed, |
1483 | size - printed, &arg); | |
6e7eeb51 | 1484 | } else { |
13d4ff3e | 1485 | printed += scnprintf(bf + printed, size - printed, |
01533e97 | 1486 | "%ld", args[arg.idx]); |
6e7eeb51 | 1487 | } |
514f1c67 ACM |
1488 | } |
1489 | } else { | |
01533e97 ACM |
1490 | int i = 0; |
1491 | ||
514f1c67 | 1492 | while (i < 6) { |
752fde44 ACM |
1493 | printed += scnprintf(bf + printed, size - printed, |
1494 | "%sarg%d: %ld", | |
1495 | printed ? ", " : "", i, args[i]); | |
514f1c67 ACM |
1496 | ++i; |
1497 | } | |
1498 | } | |
1499 | ||
1500 | return printed; | |
1501 | } | |
1502 | ||
ba3d7dee ACM |
1503 | typedef int (*tracepoint_handler)(struct trace *trace, struct perf_evsel *evsel, |
1504 | struct perf_sample *sample); | |
1505 | ||
1506 | static struct syscall *trace__syscall_info(struct trace *trace, | |
bf2575c1 | 1507 | struct perf_evsel *evsel, int id) |
ba3d7dee | 1508 | { |
ba3d7dee ACM |
1509 | |
1510 | if (id < 0) { | |
adaa18bf ACM |
1511 | |
1512 | /* | |
1513 | * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried | |
1514 | * before that, leaving at a higher verbosity level till that is | |
1515 | * explained. Reproduced with plain ftrace with: | |
1516 | * | |
1517 | * echo 1 > /t/events/raw_syscalls/sys_exit/enable | |
1518 | * grep "NR -1 " /t/trace_pipe | |
1519 | * | |
1520 | * After generating some load on the machine. | |
1521 | */ | |
1522 | if (verbose > 1) { | |
1523 | static u64 n; | |
1524 | fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n", | |
1525 | id, perf_evsel__name(evsel), ++n); | |
1526 | } | |
ba3d7dee ACM |
1527 | return NULL; |
1528 | } | |
1529 | ||
1530 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) && | |
1531 | trace__read_syscall_info(trace, id)) | |
1532 | goto out_cant_read; | |
1533 | ||
1534 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL)) | |
1535 | goto out_cant_read; | |
1536 | ||
1537 | return &trace->syscalls.table[id]; | |
1538 | ||
1539 | out_cant_read: | |
7c304ee0 ACM |
1540 | if (verbose) { |
1541 | fprintf(trace->output, "Problems reading syscall %d", id); | |
1542 | if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) | |
1543 | fprintf(trace->output, "(%s)", trace->syscalls.table[id].name); | |
1544 | fputs(" information\n", trace->output); | |
1545 | } | |
ba3d7dee ACM |
1546 | return NULL; |
1547 | } | |
1548 | ||
bf2575c1 DA |
1549 | static void thread__update_stats(struct thread_trace *ttrace, |
1550 | int id, struct perf_sample *sample) | |
1551 | { | |
1552 | struct int_node *inode; | |
1553 | struct stats *stats; | |
1554 | u64 duration = 0; | |
1555 | ||
1556 | inode = intlist__findnew(ttrace->syscall_stats, id); | |
1557 | if (inode == NULL) | |
1558 | return; | |
1559 | ||
1560 | stats = inode->priv; | |
1561 | if (stats == NULL) { | |
1562 | stats = malloc(sizeof(struct stats)); | |
1563 | if (stats == NULL) | |
1564 | return; | |
1565 | init_stats(stats); | |
1566 | inode->priv = stats; | |
1567 | } | |
1568 | ||
1569 | if (ttrace->entry_time && sample->time > ttrace->entry_time) | |
1570 | duration = sample->time - ttrace->entry_time; | |
1571 | ||
1572 | update_stats(stats, duration); | |
1573 | } | |
1574 | ||
ba3d7dee ACM |
1575 | static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, |
1576 | struct perf_sample *sample) | |
1577 | { | |
752fde44 | 1578 | char *msg; |
ba3d7dee | 1579 | void *args; |
752fde44 | 1580 | size_t printed = 0; |
2ae3a312 | 1581 | struct thread *thread; |
77170988 | 1582 | int id = perf_evsel__sc_tp_uint(evsel, id, sample); |
bf2575c1 | 1583 | struct syscall *sc = trace__syscall_info(trace, evsel, id); |
2ae3a312 ACM |
1584 | struct thread_trace *ttrace; |
1585 | ||
1586 | if (sc == NULL) | |
1587 | return -1; | |
ba3d7dee | 1588 | |
2ae3a312 ACM |
1589 | if (sc->filtered) |
1590 | return 0; | |
1591 | ||
8fb598e5 | 1592 | thread = machine__findnew_thread(trace->host, sample->pid, sample->tid); |
c24ff998 | 1593 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 1594 | if (ttrace == NULL) |
ba3d7dee ACM |
1595 | return -1; |
1596 | ||
77170988 | 1597 | args = perf_evsel__sc_tp_ptr(evsel, args, sample); |
752fde44 ACM |
1598 | ttrace = thread->priv; |
1599 | ||
1600 | if (ttrace->entry_str == NULL) { | |
1601 | ttrace->entry_str = malloc(1024); | |
1602 | if (!ttrace->entry_str) | |
1603 | return -1; | |
1604 | } | |
1605 | ||
1606 | ttrace->entry_time = sample->time; | |
1607 | msg = ttrace->entry_str; | |
1608 | printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name); | |
1609 | ||
75b757ca ACM |
1610 | printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, |
1611 | args, trace, thread); | |
752fde44 ACM |
1612 | |
1613 | if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) { | |
ae9ed035 | 1614 | if (!trace->duration_filter) { |
c24ff998 ACM |
1615 | trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output); |
1616 | fprintf(trace->output, "%-70s\n", ttrace->entry_str); | |
ae9ed035 | 1617 | } |
752fde44 ACM |
1618 | } else |
1619 | ttrace->entry_pending = true; | |
ba3d7dee ACM |
1620 | |
1621 | return 0; | |
1622 | } | |
1623 | ||
1624 | static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, | |
1625 | struct perf_sample *sample) | |
1626 | { | |
1627 | int ret; | |
60c907ab | 1628 | u64 duration = 0; |
2ae3a312 | 1629 | struct thread *thread; |
77170988 | 1630 | int id = perf_evsel__sc_tp_uint(evsel, id, sample); |
bf2575c1 | 1631 | struct syscall *sc = trace__syscall_info(trace, evsel, id); |
2ae3a312 ACM |
1632 | struct thread_trace *ttrace; |
1633 | ||
1634 | if (sc == NULL) | |
1635 | return -1; | |
ba3d7dee | 1636 | |
2ae3a312 ACM |
1637 | if (sc->filtered) |
1638 | return 0; | |
1639 | ||
8fb598e5 | 1640 | thread = machine__findnew_thread(trace->host, sample->pid, sample->tid); |
c24ff998 | 1641 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 1642 | if (ttrace == NULL) |
ba3d7dee ACM |
1643 | return -1; |
1644 | ||
bf2575c1 DA |
1645 | if (trace->summary) |
1646 | thread__update_stats(ttrace, id, sample); | |
1647 | ||
77170988 | 1648 | ret = perf_evsel__sc_tp_uint(evsel, ret, sample); |
ba3d7dee | 1649 | |
c522739d ACM |
1650 | if (id == trace->audit.open_id && ret >= 0 && trace->last_vfs_getname) { |
1651 | trace__set_fd_pathname(thread, ret, trace->last_vfs_getname); | |
1652 | trace->last_vfs_getname = NULL; | |
1653 | ++trace->stats.vfs_getname; | |
1654 | } | |
1655 | ||
752fde44 ACM |
1656 | ttrace = thread->priv; |
1657 | ||
1658 | ttrace->exit_time = sample->time; | |
1659 | ||
ae9ed035 | 1660 | if (ttrace->entry_time) { |
60c907ab | 1661 | duration = sample->time - ttrace->entry_time; |
ae9ed035 ACM |
1662 | if (trace__filter_duration(trace, duration)) |
1663 | goto out; | |
1664 | } else if (trace->duration_filter) | |
1665 | goto out; | |
60c907ab | 1666 | |
c24ff998 | 1667 | trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output); |
752fde44 ACM |
1668 | |
1669 | if (ttrace->entry_pending) { | |
c24ff998 | 1670 | fprintf(trace->output, "%-70s", ttrace->entry_str); |
752fde44 | 1671 | } else { |
c24ff998 ACM |
1672 | fprintf(trace->output, " ... ["); |
1673 | color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued"); | |
1674 | fprintf(trace->output, "]: %s()", sc->name); | |
752fde44 ACM |
1675 | } |
1676 | ||
da3c9a44 ACM |
1677 | if (sc->fmt == NULL) { |
1678 | signed_print: | |
1679 | fprintf(trace->output, ") = %d", ret); | |
1680 | } else if (ret < 0 && sc->fmt->errmsg) { | |
ba3d7dee ACM |
1681 | char bf[256]; |
1682 | const char *emsg = strerror_r(-ret, bf, sizeof(bf)), | |
1683 | *e = audit_errno_to_name(-ret); | |
1684 | ||
c24ff998 | 1685 | fprintf(trace->output, ") = -1 %s %s", e, emsg); |
da3c9a44 | 1686 | } else if (ret == 0 && sc->fmt->timeout) |
c24ff998 | 1687 | fprintf(trace->output, ") = 0 Timeout"); |
04b34729 ACM |
1688 | else if (sc->fmt->hexret) |
1689 | fprintf(trace->output, ") = %#x", ret); | |
ba3d7dee | 1690 | else |
da3c9a44 | 1691 | goto signed_print; |
ba3d7dee | 1692 | |
c24ff998 | 1693 | fputc('\n', trace->output); |
ae9ed035 | 1694 | out: |
752fde44 ACM |
1695 | ttrace->entry_pending = false; |
1696 | ||
ba3d7dee ACM |
1697 | return 0; |
1698 | } | |
1699 | ||
c522739d ACM |
1700 | static int trace__vfs_getname(struct trace *trace, struct perf_evsel *evsel, |
1701 | struct perf_sample *sample) | |
1702 | { | |
1703 | trace->last_vfs_getname = perf_evsel__rawptr(evsel, sample, "pathname"); | |
1704 | return 0; | |
1705 | } | |
1706 | ||
1302d88e ACM |
1707 | static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel, |
1708 | struct perf_sample *sample) | |
1709 | { | |
1710 | u64 runtime = perf_evsel__intval(evsel, sample, "runtime"); | |
1711 | double runtime_ms = (double)runtime / NSEC_PER_MSEC; | |
8fb598e5 | 1712 | struct thread *thread = machine__findnew_thread(trace->host, |
314add6b AH |
1713 | sample->pid, |
1714 | sample->tid); | |
c24ff998 | 1715 | struct thread_trace *ttrace = thread__trace(thread, trace->output); |
1302d88e ACM |
1716 | |
1717 | if (ttrace == NULL) | |
1718 | goto out_dump; | |
1719 | ||
1720 | ttrace->runtime_ms += runtime_ms; | |
1721 | trace->runtime_ms += runtime_ms; | |
1722 | return 0; | |
1723 | ||
1724 | out_dump: | |
c24ff998 | 1725 | fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n", |
1302d88e ACM |
1726 | evsel->name, |
1727 | perf_evsel__strval(evsel, sample, "comm"), | |
1728 | (pid_t)perf_evsel__intval(evsel, sample, "pid"), | |
1729 | runtime, | |
1730 | perf_evsel__intval(evsel, sample, "vruntime")); | |
1731 | return 0; | |
1732 | } | |
1733 | ||
bdc89661 DA |
1734 | static bool skip_sample(struct trace *trace, struct perf_sample *sample) |
1735 | { | |
1736 | if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) || | |
1737 | (trace->tid_list && intlist__find(trace->tid_list, sample->tid))) | |
1738 | return false; | |
1739 | ||
1740 | if (trace->pid_list || trace->tid_list) | |
1741 | return true; | |
1742 | ||
1743 | return false; | |
1744 | } | |
1745 | ||
6810fc91 DA |
1746 | static int trace__process_sample(struct perf_tool *tool, |
1747 | union perf_event *event __maybe_unused, | |
1748 | struct perf_sample *sample, | |
1749 | struct perf_evsel *evsel, | |
1750 | struct machine *machine __maybe_unused) | |
1751 | { | |
1752 | struct trace *trace = container_of(tool, struct trace, tool); | |
1753 | int err = 0; | |
1754 | ||
744a9719 | 1755 | tracepoint_handler handler = evsel->handler; |
6810fc91 | 1756 | |
bdc89661 DA |
1757 | if (skip_sample(trace, sample)) |
1758 | return 0; | |
1759 | ||
4bb09192 | 1760 | if (!trace->full_time && trace->base_time == 0) |
6810fc91 DA |
1761 | trace->base_time = sample->time; |
1762 | ||
1763 | if (handler) | |
1764 | handler(trace, evsel, sample); | |
1765 | ||
1766 | return err; | |
1767 | } | |
1768 | ||
bdc89661 DA |
1769 | static int parse_target_str(struct trace *trace) |
1770 | { | |
1771 | if (trace->opts.target.pid) { | |
1772 | trace->pid_list = intlist__new(trace->opts.target.pid); | |
1773 | if (trace->pid_list == NULL) { | |
1774 | pr_err("Error parsing process id string\n"); | |
1775 | return -EINVAL; | |
1776 | } | |
1777 | } | |
1778 | ||
1779 | if (trace->opts.target.tid) { | |
1780 | trace->tid_list = intlist__new(trace->opts.target.tid); | |
1781 | if (trace->tid_list == NULL) { | |
1782 | pr_err("Error parsing thread id string\n"); | |
1783 | return -EINVAL; | |
1784 | } | |
1785 | } | |
1786 | ||
1787 | return 0; | |
1788 | } | |
1789 | ||
5e2485b1 DA |
1790 | static int trace__record(int argc, const char **argv) |
1791 | { | |
1792 | unsigned int rec_argc, i, j; | |
1793 | const char **rec_argv; | |
1794 | const char * const record_args[] = { | |
1795 | "record", | |
1796 | "-R", | |
1797 | "-m", "1024", | |
1798 | "-c", "1", | |
1799 | "-e", "raw_syscalls:sys_enter,raw_syscalls:sys_exit", | |
1800 | }; | |
1801 | ||
1802 | rec_argc = ARRAY_SIZE(record_args) + argc; | |
1803 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); | |
1804 | ||
1805 | if (rec_argv == NULL) | |
1806 | return -ENOMEM; | |
1807 | ||
1808 | for (i = 0; i < ARRAY_SIZE(record_args); i++) | |
1809 | rec_argv[i] = record_args[i]; | |
1810 | ||
1811 | for (j = 0; j < (unsigned int)argc; j++, i++) | |
1812 | rec_argv[i] = argv[j]; | |
1813 | ||
1814 | return cmd_record(i, rec_argv, NULL); | |
1815 | } | |
1816 | ||
bf2575c1 DA |
1817 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp); |
1818 | ||
c522739d ACM |
1819 | static void perf_evlist__add_vfs_getname(struct perf_evlist *evlist) |
1820 | { | |
ef503831 | 1821 | struct perf_evsel *evsel = perf_evsel__newtp("probe", "vfs_getname"); |
c522739d ACM |
1822 | if (evsel == NULL) |
1823 | return; | |
1824 | ||
1825 | if (perf_evsel__field(evsel, "pathname") == NULL) { | |
1826 | perf_evsel__delete(evsel); | |
1827 | return; | |
1828 | } | |
1829 | ||
744a9719 | 1830 | evsel->handler = trace__vfs_getname; |
c522739d ACM |
1831 | perf_evlist__add(evlist, evsel); |
1832 | } | |
1833 | ||
f15eb531 | 1834 | static int trace__run(struct trace *trace, int argc, const char **argv) |
514f1c67 | 1835 | { |
334fe7a3 | 1836 | struct perf_evlist *evlist = perf_evlist__new(); |
ba3d7dee | 1837 | struct perf_evsel *evsel; |
efd5745e ACM |
1838 | int err = -1, i; |
1839 | unsigned long before; | |
f15eb531 | 1840 | const bool forks = argc > 0; |
514f1c67 | 1841 | |
75b757ca ACM |
1842 | trace->live = true; |
1843 | ||
514f1c67 | 1844 | if (evlist == NULL) { |
c24ff998 | 1845 | fprintf(trace->output, "Not enough memory to run!\n"); |
514f1c67 ACM |
1846 | goto out; |
1847 | } | |
1848 | ||
77170988 | 1849 | if (perf_evlist__add_syscall_newtp(evlist, trace__sys_enter, trace__sys_exit)) |
87f91868 | 1850 | goto out_error_tp; |
514f1c67 | 1851 | |
c522739d ACM |
1852 | perf_evlist__add_vfs_getname(evlist); |
1853 | ||
1302d88e | 1854 | if (trace->sched && |
87f91868 RR |
1855 | perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime", |
1856 | trace__sched_stat_runtime)) | |
1857 | goto out_error_tp; | |
1302d88e | 1858 | |
514f1c67 ACM |
1859 | err = perf_evlist__create_maps(evlist, &trace->opts.target); |
1860 | if (err < 0) { | |
c24ff998 | 1861 | fprintf(trace->output, "Problems parsing the target to trace, check your options!\n"); |
514f1c67 ACM |
1862 | goto out_delete_evlist; |
1863 | } | |
1864 | ||
752fde44 ACM |
1865 | err = trace__symbols_init(trace, evlist); |
1866 | if (err < 0) { | |
c24ff998 | 1867 | fprintf(trace->output, "Problems initializing symbol libraries!\n"); |
3beb0861 | 1868 | goto out_delete_maps; |
752fde44 ACM |
1869 | } |
1870 | ||
f77a9518 | 1871 | perf_evlist__config(evlist, &trace->opts); |
514f1c67 | 1872 | |
f15eb531 NK |
1873 | signal(SIGCHLD, sig_handler); |
1874 | signal(SIGINT, sig_handler); | |
1875 | ||
1876 | if (forks) { | |
6ef73ec4 | 1877 | err = perf_evlist__prepare_workload(evlist, &trace->opts.target, |
55e162ea | 1878 | argv, false, false); |
f15eb531 | 1879 | if (err < 0) { |
c24ff998 | 1880 | fprintf(trace->output, "Couldn't run the workload!\n"); |
3beb0861 | 1881 | goto out_delete_maps; |
f15eb531 NK |
1882 | } |
1883 | } | |
1884 | ||
514f1c67 | 1885 | err = perf_evlist__open(evlist); |
a8f23d8f ACM |
1886 | if (err < 0) |
1887 | goto out_error_open; | |
514f1c67 ACM |
1888 | |
1889 | err = perf_evlist__mmap(evlist, UINT_MAX, false); | |
1890 | if (err < 0) { | |
c24ff998 | 1891 | fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno)); |
3beb0861 | 1892 | goto out_close_evlist; |
514f1c67 ACM |
1893 | } |
1894 | ||
1895 | perf_evlist__enable(evlist); | |
f15eb531 NK |
1896 | |
1897 | if (forks) | |
1898 | perf_evlist__start_workload(evlist); | |
1899 | ||
752fde44 | 1900 | trace->multiple_threads = evlist->threads->map[0] == -1 || evlist->threads->nr > 1; |
514f1c67 | 1901 | again: |
efd5745e | 1902 | before = trace->nr_events; |
514f1c67 ACM |
1903 | |
1904 | for (i = 0; i < evlist->nr_mmaps; i++) { | |
1905 | union perf_event *event; | |
1906 | ||
1907 | while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { | |
1908 | const u32 type = event->header.type; | |
ba3d7dee | 1909 | tracepoint_handler handler; |
514f1c67 | 1910 | struct perf_sample sample; |
514f1c67 | 1911 | |
efd5745e | 1912 | ++trace->nr_events; |
514f1c67 | 1913 | |
514f1c67 ACM |
1914 | err = perf_evlist__parse_sample(evlist, event, &sample); |
1915 | if (err) { | |
c24ff998 | 1916 | fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err); |
8e50d384 | 1917 | goto next_event; |
514f1c67 ACM |
1918 | } |
1919 | ||
4bb09192 | 1920 | if (!trace->full_time && trace->base_time == 0) |
752fde44 ACM |
1921 | trace->base_time = sample.time; |
1922 | ||
1923 | if (type != PERF_RECORD_SAMPLE) { | |
162f0bef | 1924 | trace__process_event(trace, trace->host, event, &sample); |
752fde44 ACM |
1925 | continue; |
1926 | } | |
1927 | ||
514f1c67 ACM |
1928 | evsel = perf_evlist__id2evsel(evlist, sample.id); |
1929 | if (evsel == NULL) { | |
c24ff998 | 1930 | fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample.id); |
8e50d384 | 1931 | goto next_event; |
514f1c67 ACM |
1932 | } |
1933 | ||
fc551f8d | 1934 | if (sample.raw_data == NULL) { |
c24ff998 | 1935 | fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", |
fc551f8d ACM |
1936 | perf_evsel__name(evsel), sample.tid, |
1937 | sample.cpu, sample.raw_size); | |
8e50d384 | 1938 | goto next_event; |
fc551f8d ACM |
1939 | } |
1940 | ||
744a9719 | 1941 | handler = evsel->handler; |
ba3d7dee | 1942 | handler(trace, evsel, &sample); |
8e50d384 ZZ |
1943 | next_event: |
1944 | perf_evlist__mmap_consume(evlist, i); | |
20c5f10e | 1945 | |
ba209f85 ACM |
1946 | if (interrupted) |
1947 | goto out_disable; | |
514f1c67 ACM |
1948 | } |
1949 | } | |
1950 | ||
efd5745e | 1951 | if (trace->nr_events == before) { |
ba209f85 | 1952 | int timeout = done ? 100 : -1; |
f15eb531 | 1953 | |
ba209f85 ACM |
1954 | if (poll(evlist->pollfd, evlist->nr_fds, timeout) > 0) |
1955 | goto again; | |
1956 | } else { | |
1957 | goto again; | |
f15eb531 NK |
1958 | } |
1959 | ||
ba209f85 ACM |
1960 | out_disable: |
1961 | perf_evlist__disable(evlist); | |
514f1c67 | 1962 | |
c522739d ACM |
1963 | if (!err) { |
1964 | if (trace->summary) | |
1965 | trace__fprintf_thread_summary(trace, trace->output); | |
1966 | ||
1967 | if (trace->show_tool_stats) { | |
1968 | fprintf(trace->output, "Stats:\n " | |
1969 | " vfs_getname : %" PRIu64 "\n" | |
1970 | " proc_getname: %" PRIu64 "\n", | |
1971 | trace->stats.vfs_getname, | |
1972 | trace->stats.proc_getname); | |
1973 | } | |
1974 | } | |
bf2575c1 | 1975 | |
3beb0861 NK |
1976 | perf_evlist__munmap(evlist); |
1977 | out_close_evlist: | |
1978 | perf_evlist__close(evlist); | |
1979 | out_delete_maps: | |
1980 | perf_evlist__delete_maps(evlist); | |
514f1c67 ACM |
1981 | out_delete_evlist: |
1982 | perf_evlist__delete(evlist); | |
1983 | out: | |
75b757ca | 1984 | trace->live = false; |
514f1c67 | 1985 | return err; |
6ef068cb ACM |
1986 | { |
1987 | char errbuf[BUFSIZ]; | |
a8f23d8f ACM |
1988 | |
1989 | out_error_tp: | |
6ef068cb | 1990 | perf_evlist__strerror_tp(evlist, errno, errbuf, sizeof(errbuf)); |
a8f23d8f ACM |
1991 | goto out_error; |
1992 | ||
1993 | out_error_open: | |
1994 | perf_evlist__strerror_open(evlist, errno, errbuf, sizeof(errbuf)); | |
1995 | ||
1996 | out_error: | |
6ef068cb | 1997 | fprintf(trace->output, "%s\n", errbuf); |
87f91868 | 1998 | goto out_delete_evlist; |
514f1c67 | 1999 | } |
a8f23d8f | 2000 | } |
514f1c67 | 2001 | |
6810fc91 DA |
2002 | static int trace__replay(struct trace *trace) |
2003 | { | |
2004 | const struct perf_evsel_str_handler handlers[] = { | |
c522739d | 2005 | { "probe:vfs_getname", trace__vfs_getname, }, |
6810fc91 | 2006 | }; |
f5fc1412 JO |
2007 | struct perf_data_file file = { |
2008 | .path = input_name, | |
2009 | .mode = PERF_DATA_MODE_READ, | |
2010 | }; | |
6810fc91 | 2011 | struct perf_session *session; |
003824e8 | 2012 | struct perf_evsel *evsel; |
6810fc91 DA |
2013 | int err = -1; |
2014 | ||
2015 | trace->tool.sample = trace__process_sample; | |
2016 | trace->tool.mmap = perf_event__process_mmap; | |
384c671e | 2017 | trace->tool.mmap2 = perf_event__process_mmap2; |
6810fc91 DA |
2018 | trace->tool.comm = perf_event__process_comm; |
2019 | trace->tool.exit = perf_event__process_exit; | |
2020 | trace->tool.fork = perf_event__process_fork; | |
2021 | trace->tool.attr = perf_event__process_attr; | |
2022 | trace->tool.tracing_data = perf_event__process_tracing_data; | |
2023 | trace->tool.build_id = perf_event__process_build_id; | |
2024 | ||
2025 | trace->tool.ordered_samples = true; | |
2026 | trace->tool.ordering_requires_timestamps = true; | |
2027 | ||
2028 | /* add tid to output */ | |
2029 | trace->multiple_threads = true; | |
2030 | ||
2031 | if (symbol__init() < 0) | |
2032 | return -1; | |
2033 | ||
f5fc1412 | 2034 | session = perf_session__new(&file, false, &trace->tool); |
6810fc91 DA |
2035 | if (session == NULL) |
2036 | return -ENOMEM; | |
2037 | ||
8fb598e5 DA |
2038 | trace->host = &session->machines.host; |
2039 | ||
6810fc91 DA |
2040 | err = perf_session__set_tracepoints_handlers(session, handlers); |
2041 | if (err) | |
2042 | goto out; | |
2043 | ||
003824e8 NK |
2044 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, |
2045 | "raw_syscalls:sys_enter"); | |
2046 | if (evsel == NULL) { | |
2047 | pr_err("Data file does not have raw_syscalls:sys_enter event\n"); | |
2048 | goto out; | |
2049 | } | |
2050 | ||
2051 | if (perf_evsel__init_syscall_tp(evsel, trace__sys_enter) < 0 || | |
2052 | perf_evsel__init_sc_tp_ptr_field(evsel, args)) { | |
2053 | pr_err("Error during initialize raw_syscalls:sys_enter event\n"); | |
2054 | goto out; | |
2055 | } | |
2056 | ||
2057 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, | |
2058 | "raw_syscalls:sys_exit"); | |
2059 | if (evsel == NULL) { | |
2060 | pr_err("Data file does not have raw_syscalls:sys_exit event\n"); | |
6810fc91 DA |
2061 | goto out; |
2062 | } | |
2063 | ||
003824e8 NK |
2064 | if (perf_evsel__init_syscall_tp(evsel, trace__sys_exit) < 0 || |
2065 | perf_evsel__init_sc_tp_uint_field(evsel, ret)) { | |
2066 | pr_err("Error during initialize raw_syscalls:sys_exit event\n"); | |
6810fc91 DA |
2067 | goto out; |
2068 | } | |
2069 | ||
bdc89661 DA |
2070 | err = parse_target_str(trace); |
2071 | if (err != 0) | |
2072 | goto out; | |
2073 | ||
6810fc91 DA |
2074 | setup_pager(); |
2075 | ||
2076 | err = perf_session__process_events(session, &trace->tool); | |
2077 | if (err) | |
2078 | pr_err("Failed to process events, error %d", err); | |
2079 | ||
bf2575c1 DA |
2080 | else if (trace->summary) |
2081 | trace__fprintf_thread_summary(trace, trace->output); | |
2082 | ||
6810fc91 DA |
2083 | out: |
2084 | perf_session__delete(session); | |
2085 | ||
2086 | return err; | |
2087 | } | |
2088 | ||
1302d88e ACM |
2089 | static size_t trace__fprintf_threads_header(FILE *fp) |
2090 | { | |
2091 | size_t printed; | |
2092 | ||
99ff7150 | 2093 | printed = fprintf(fp, "\n Summary of events:\n\n"); |
bf2575c1 DA |
2094 | |
2095 | return printed; | |
2096 | } | |
2097 | ||
2098 | static size_t thread__dump_stats(struct thread_trace *ttrace, | |
2099 | struct trace *trace, FILE *fp) | |
2100 | { | |
2101 | struct stats *stats; | |
2102 | size_t printed = 0; | |
2103 | struct syscall *sc; | |
2104 | struct int_node *inode = intlist__first(ttrace->syscall_stats); | |
2105 | ||
2106 | if (inode == NULL) | |
2107 | return 0; | |
2108 | ||
2109 | printed += fprintf(fp, "\n"); | |
2110 | ||
99ff7150 PE |
2111 | printed += fprintf(fp, " msec/call\n"); |
2112 | printed += fprintf(fp, " syscall calls min avg max stddev\n"); | |
2113 | printed += fprintf(fp, " --------------- -------- -------- -------- -------- ------\n"); | |
2114 | ||
bf2575c1 DA |
2115 | /* each int_node is a syscall */ |
2116 | while (inode) { | |
2117 | stats = inode->priv; | |
2118 | if (stats) { | |
2119 | double min = (double)(stats->min) / NSEC_PER_MSEC; | |
2120 | double max = (double)(stats->max) / NSEC_PER_MSEC; | |
2121 | double avg = avg_stats(stats); | |
2122 | double pct; | |
2123 | u64 n = (u64) stats->n; | |
2124 | ||
2125 | pct = avg ? 100.0 * stddev_stats(stats)/avg : 0.0; | |
2126 | avg /= NSEC_PER_MSEC; | |
2127 | ||
2128 | sc = &trace->syscalls.table[inode->i]; | |
99ff7150 PE |
2129 | printed += fprintf(fp, " %-15s", sc->name); |
2130 | printed += fprintf(fp, " %8" PRIu64 " %8.3f %8.3f", | |
7f7a4138 | 2131 | n, min, avg); |
99ff7150 | 2132 | printed += fprintf(fp, " %8.3f %6.2f\n", max, pct); |
bf2575c1 DA |
2133 | } |
2134 | ||
2135 | inode = intlist__next(inode); | |
2136 | } | |
2137 | ||
2138 | printed += fprintf(fp, "\n\n"); | |
1302d88e ACM |
2139 | |
2140 | return printed; | |
2141 | } | |
2142 | ||
896cbb56 DA |
2143 | /* struct used to pass data to per-thread function */ |
2144 | struct summary_data { | |
2145 | FILE *fp; | |
2146 | struct trace *trace; | |
2147 | size_t printed; | |
2148 | }; | |
2149 | ||
2150 | static int trace__fprintf_one_thread(struct thread *thread, void *priv) | |
2151 | { | |
2152 | struct summary_data *data = priv; | |
2153 | FILE *fp = data->fp; | |
2154 | size_t printed = data->printed; | |
2155 | struct trace *trace = data->trace; | |
2156 | struct thread_trace *ttrace = thread->priv; | |
2157 | const char *color; | |
2158 | double ratio; | |
2159 | ||
2160 | if (ttrace == NULL) | |
2161 | return 0; | |
2162 | ||
2163 | ratio = (double)ttrace->nr_events / trace->nr_events * 100.0; | |
2164 | ||
2165 | color = PERF_COLOR_NORMAL; | |
2166 | if (ratio > 50.0) | |
2167 | color = PERF_COLOR_RED; | |
2168 | else if (ratio > 25.0) | |
2169 | color = PERF_COLOR_GREEN; | |
2170 | else if (ratio > 5.0) | |
2171 | color = PERF_COLOR_YELLOW; | |
2172 | ||
99ff7150 PE |
2173 | printed += color_fprintf(fp, color, " %s (%d), ", thread__comm_str(thread), thread->tid); |
2174 | printed += fprintf(fp, "%lu events, ", ttrace->nr_events); | |
2175 | printed += color_fprintf(fp, color, "%.1f%%", ratio); | |
2176 | printed += fprintf(fp, ", %.3f msec\n", ttrace->runtime_ms); | |
bf2575c1 | 2177 | printed += thread__dump_stats(ttrace, trace, fp); |
896cbb56 DA |
2178 | |
2179 | data->printed += printed; | |
2180 | ||
2181 | return 0; | |
2182 | } | |
2183 | ||
1302d88e ACM |
2184 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp) |
2185 | { | |
896cbb56 DA |
2186 | struct summary_data data = { |
2187 | .fp = fp, | |
2188 | .trace = trace | |
2189 | }; | |
2190 | data.printed = trace__fprintf_threads_header(fp); | |
1302d88e | 2191 | |
896cbb56 DA |
2192 | machine__for_each_thread(trace->host, trace__fprintf_one_thread, &data); |
2193 | ||
2194 | return data.printed; | |
1302d88e ACM |
2195 | } |
2196 | ||
ae9ed035 ACM |
2197 | static int trace__set_duration(const struct option *opt, const char *str, |
2198 | int unset __maybe_unused) | |
2199 | { | |
2200 | struct trace *trace = opt->value; | |
2201 | ||
2202 | trace->duration_filter = atof(str); | |
2203 | return 0; | |
2204 | } | |
2205 | ||
c24ff998 ACM |
2206 | static int trace__open_output(struct trace *trace, const char *filename) |
2207 | { | |
2208 | struct stat st; | |
2209 | ||
2210 | if (!stat(filename, &st) && st.st_size) { | |
2211 | char oldname[PATH_MAX]; | |
2212 | ||
2213 | scnprintf(oldname, sizeof(oldname), "%s.old", filename); | |
2214 | unlink(oldname); | |
2215 | rename(filename, oldname); | |
2216 | } | |
2217 | ||
2218 | trace->output = fopen(filename, "w"); | |
2219 | ||
2220 | return trace->output == NULL ? -errno : 0; | |
2221 | } | |
2222 | ||
514f1c67 ACM |
2223 | int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) |
2224 | { | |
2225 | const char * const trace_usage[] = { | |
f15eb531 NK |
2226 | "perf trace [<options>] [<command>]", |
2227 | "perf trace [<options>] -- <command> [<options>]", | |
5e2485b1 DA |
2228 | "perf trace record [<options>] [<command>]", |
2229 | "perf trace record [<options>] -- <command> [<options>]", | |
514f1c67 ACM |
2230 | NULL |
2231 | }; | |
2232 | struct trace trace = { | |
c522739d ACM |
2233 | .audit = { |
2234 | .machine = audit_detect_machine(), | |
2235 | .open_id = audit_name_to_syscall("open", trace.audit.machine), | |
2236 | }, | |
514f1c67 ACM |
2237 | .syscalls = { |
2238 | . max = -1, | |
2239 | }, | |
2240 | .opts = { | |
2241 | .target = { | |
2242 | .uid = UINT_MAX, | |
2243 | .uses_mmap = true, | |
2244 | }, | |
2245 | .user_freq = UINT_MAX, | |
2246 | .user_interval = ULLONG_MAX, | |
2247 | .no_delay = true, | |
2248 | .mmap_pages = 1024, | |
2249 | }, | |
c24ff998 | 2250 | .output = stdout, |
50c95cbd | 2251 | .show_comm = true, |
514f1c67 | 2252 | }; |
c24ff998 | 2253 | const char *output_name = NULL; |
2ae3a312 | 2254 | const char *ev_qualifier_str = NULL; |
514f1c67 | 2255 | const struct option trace_options[] = { |
50c95cbd ACM |
2256 | OPT_BOOLEAN(0, "comm", &trace.show_comm, |
2257 | "show the thread COMM next to its id"), | |
c522739d | 2258 | OPT_BOOLEAN(0, "tool_stats", &trace.show_tool_stats, "show tool stats"), |
2ae3a312 ACM |
2259 | OPT_STRING('e', "expr", &ev_qualifier_str, "expr", |
2260 | "list of events to trace"), | |
c24ff998 | 2261 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
6810fc91 | 2262 | OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"), |
514f1c67 ACM |
2263 | OPT_STRING('p', "pid", &trace.opts.target.pid, "pid", |
2264 | "trace events on existing process id"), | |
ac9be8ee | 2265 | OPT_STRING('t', "tid", &trace.opts.target.tid, "tid", |
514f1c67 | 2266 | "trace events on existing thread id"), |
ac9be8ee | 2267 | OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide, |
514f1c67 | 2268 | "system-wide collection from all CPUs"), |
ac9be8ee | 2269 | OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu", |
514f1c67 | 2270 | "list of cpus to monitor"), |
6810fc91 | 2271 | OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit, |
514f1c67 | 2272 | "child tasks do not inherit counters"), |
994a1f78 JO |
2273 | OPT_CALLBACK('m', "mmap-pages", &trace.opts.mmap_pages, "pages", |
2274 | "number of mmap data pages", | |
2275 | perf_evlist__parse_mmap_pages), | |
ac9be8ee | 2276 | OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user", |
514f1c67 | 2277 | "user to profile"), |
ae9ed035 ACM |
2278 | OPT_CALLBACK(0, "duration", &trace, "float", |
2279 | "show only events with duration > N.M ms", | |
2280 | trace__set_duration), | |
1302d88e | 2281 | OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"), |
7c304ee0 | 2282 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
4bb09192 DA |
2283 | OPT_BOOLEAN('T', "time", &trace.full_time, |
2284 | "Show full timestamp, not time relative to first start"), | |
bf2575c1 DA |
2285 | OPT_BOOLEAN(0, "summary", &trace.summary, |
2286 | "Show syscall summary with statistics"), | |
514f1c67 ACM |
2287 | OPT_END() |
2288 | }; | |
2289 | int err; | |
32caf0d1 | 2290 | char bf[BUFSIZ]; |
514f1c67 | 2291 | |
5e2485b1 DA |
2292 | if ((argc > 1) && (strcmp(argv[1], "record") == 0)) |
2293 | return trace__record(argc-2, &argv[2]); | |
2294 | ||
514f1c67 | 2295 | argc = parse_options(argc, argv, trace_options, trace_usage, 0); |
514f1c67 | 2296 | |
c24ff998 ACM |
2297 | if (output_name != NULL) { |
2298 | err = trace__open_output(&trace, output_name); | |
2299 | if (err < 0) { | |
2300 | perror("failed to create output file"); | |
2301 | goto out; | |
2302 | } | |
2303 | } | |
2304 | ||
2ae3a312 | 2305 | if (ev_qualifier_str != NULL) { |
b059efdf ACM |
2306 | const char *s = ev_qualifier_str; |
2307 | ||
2308 | trace.not_ev_qualifier = *s == '!'; | |
2309 | if (trace.not_ev_qualifier) | |
2310 | ++s; | |
2311 | trace.ev_qualifier = strlist__new(true, s); | |
2ae3a312 | 2312 | if (trace.ev_qualifier == NULL) { |
c24ff998 ACM |
2313 | fputs("Not enough memory to parse event qualifier", |
2314 | trace.output); | |
2315 | err = -ENOMEM; | |
2316 | goto out_close; | |
2ae3a312 ACM |
2317 | } |
2318 | } | |
2319 | ||
32caf0d1 NK |
2320 | err = perf_target__validate(&trace.opts.target); |
2321 | if (err) { | |
2322 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); | |
c24ff998 ACM |
2323 | fprintf(trace.output, "%s", bf); |
2324 | goto out_close; | |
32caf0d1 NK |
2325 | } |
2326 | ||
514f1c67 ACM |
2327 | err = perf_target__parse_uid(&trace.opts.target); |
2328 | if (err) { | |
514f1c67 | 2329 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
c24ff998 ACM |
2330 | fprintf(trace.output, "%s", bf); |
2331 | goto out_close; | |
514f1c67 ACM |
2332 | } |
2333 | ||
f15eb531 | 2334 | if (!argc && perf_target__none(&trace.opts.target)) |
ee76120e NK |
2335 | trace.opts.target.system_wide = true; |
2336 | ||
6810fc91 DA |
2337 | if (input_name) |
2338 | err = trace__replay(&trace); | |
2339 | else | |
2340 | err = trace__run(&trace, argc, argv); | |
1302d88e | 2341 | |
c24ff998 ACM |
2342 | out_close: |
2343 | if (output_name != NULL) | |
2344 | fclose(trace.output); | |
2345 | out: | |
1302d88e | 2346 | return err; |
514f1c67 | 2347 | } |