Commit | Line | Data |
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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" |
514f1c67 ACM |
13 | |
14 | #include <libaudit.h> | |
15 | #include <stdlib.h> | |
49af9e93 | 16 | #include <sys/eventfd.h> |
ae685380 | 17 | #include <sys/mman.h> |
f9da0b0c | 18 | #include <linux/futex.h> |
514f1c67 | 19 | |
456857bd IM |
20 | /* For older distros: */ |
21 | #ifndef MAP_STACK | |
22 | # define MAP_STACK 0x20000 | |
23 | #endif | |
24 | ||
25 | #ifndef MADV_HWPOISON | |
26 | # define MADV_HWPOISON 100 | |
27 | #endif | |
28 | ||
29 | #ifndef MADV_MERGEABLE | |
30 | # define MADV_MERGEABLE 12 | |
31 | #endif | |
32 | ||
33 | #ifndef MADV_UNMERGEABLE | |
34 | # define MADV_UNMERGEABLE 13 | |
35 | #endif | |
36 | ||
01533e97 ACM |
37 | struct syscall_arg { |
38 | unsigned long val; | |
1f115cb7 | 39 | void *parm; |
01533e97 ACM |
40 | u8 idx; |
41 | u8 mask; | |
42 | }; | |
43 | ||
1f115cb7 ACM |
44 | struct strarray { |
45 | int nr_entries; | |
46 | const char **entries; | |
47 | }; | |
48 | ||
49 | #define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \ | |
50 | .nr_entries = ARRAY_SIZE(array), \ | |
51 | .entries = array, \ | |
52 | } | |
53 | ||
54 | static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size, | |
55 | struct syscall_arg *arg) | |
56 | { | |
57 | int idx = arg->val; | |
58 | struct strarray *sa = arg->parm; | |
59 | ||
60 | if (idx < 0 || idx >= sa->nr_entries) | |
61 | return scnprintf(bf, size, "%d", idx); | |
62 | ||
63 | return scnprintf(bf, size, "%s", sa->entries[idx]); | |
64 | } | |
65 | ||
66 | #define SCA_STRARRAY syscall_arg__scnprintf_strarray | |
67 | ||
6e7eeb51 | 68 | static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, |
01533e97 | 69 | struct syscall_arg *arg) |
13d4ff3e | 70 | { |
01533e97 | 71 | return scnprintf(bf, size, "%#lx", arg->val); |
13d4ff3e ACM |
72 | } |
73 | ||
beccb2b5 ACM |
74 | #define SCA_HEX syscall_arg__scnprintf_hex |
75 | ||
6e7eeb51 | 76 | static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, |
01533e97 | 77 | struct syscall_arg *arg) |
ae685380 | 78 | { |
01533e97 | 79 | int printed = 0, prot = arg->val; |
ae685380 ACM |
80 | |
81 | if (prot == PROT_NONE) | |
82 | return scnprintf(bf, size, "NONE"); | |
83 | #define P_MMAP_PROT(n) \ | |
84 | if (prot & PROT_##n) { \ | |
85 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
86 | prot &= ~PROT_##n; \ | |
87 | } | |
88 | ||
89 | P_MMAP_PROT(EXEC); | |
90 | P_MMAP_PROT(READ); | |
91 | P_MMAP_PROT(WRITE); | |
92 | #ifdef PROT_SEM | |
93 | P_MMAP_PROT(SEM); | |
94 | #endif | |
95 | P_MMAP_PROT(GROWSDOWN); | |
96 | P_MMAP_PROT(GROWSUP); | |
97 | #undef P_MMAP_PROT | |
98 | ||
99 | if (prot) | |
100 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot); | |
101 | ||
102 | return printed; | |
103 | } | |
104 | ||
105 | #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot | |
106 | ||
6e7eeb51 | 107 | static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, |
01533e97 | 108 | struct syscall_arg *arg) |
941557e0 | 109 | { |
01533e97 | 110 | int printed = 0, flags = arg->val; |
941557e0 ACM |
111 | |
112 | #define P_MMAP_FLAG(n) \ | |
113 | if (flags & MAP_##n) { \ | |
114 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
115 | flags &= ~MAP_##n; \ | |
116 | } | |
117 | ||
118 | P_MMAP_FLAG(SHARED); | |
119 | P_MMAP_FLAG(PRIVATE); | |
41817815 | 120 | #ifdef MAP_32BIT |
941557e0 | 121 | P_MMAP_FLAG(32BIT); |
41817815 | 122 | #endif |
941557e0 ACM |
123 | P_MMAP_FLAG(ANONYMOUS); |
124 | P_MMAP_FLAG(DENYWRITE); | |
125 | P_MMAP_FLAG(EXECUTABLE); | |
126 | P_MMAP_FLAG(FILE); | |
127 | P_MMAP_FLAG(FIXED); | |
128 | P_MMAP_FLAG(GROWSDOWN); | |
f2935f3e | 129 | #ifdef MAP_HUGETLB |
941557e0 | 130 | P_MMAP_FLAG(HUGETLB); |
f2935f3e | 131 | #endif |
941557e0 ACM |
132 | P_MMAP_FLAG(LOCKED); |
133 | P_MMAP_FLAG(NONBLOCK); | |
134 | P_MMAP_FLAG(NORESERVE); | |
135 | P_MMAP_FLAG(POPULATE); | |
136 | P_MMAP_FLAG(STACK); | |
137 | #ifdef MAP_UNINITIALIZED | |
138 | P_MMAP_FLAG(UNINITIALIZED); | |
139 | #endif | |
140 | #undef P_MMAP_FLAG | |
141 | ||
142 | if (flags) | |
143 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
144 | ||
145 | return printed; | |
146 | } | |
147 | ||
148 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags | |
149 | ||
6e7eeb51 | 150 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, |
01533e97 | 151 | struct syscall_arg *arg) |
9e9716d1 | 152 | { |
01533e97 | 153 | int behavior = arg->val; |
9e9716d1 ACM |
154 | |
155 | switch (behavior) { | |
156 | #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) | |
157 | P_MADV_BHV(NORMAL); | |
158 | P_MADV_BHV(RANDOM); | |
159 | P_MADV_BHV(SEQUENTIAL); | |
160 | P_MADV_BHV(WILLNEED); | |
161 | P_MADV_BHV(DONTNEED); | |
162 | P_MADV_BHV(REMOVE); | |
163 | P_MADV_BHV(DONTFORK); | |
164 | P_MADV_BHV(DOFORK); | |
165 | P_MADV_BHV(HWPOISON); | |
166 | #ifdef MADV_SOFT_OFFLINE | |
167 | P_MADV_BHV(SOFT_OFFLINE); | |
168 | #endif | |
169 | P_MADV_BHV(MERGEABLE); | |
170 | P_MADV_BHV(UNMERGEABLE); | |
f2935f3e | 171 | #ifdef MADV_HUGEPAGE |
9e9716d1 | 172 | P_MADV_BHV(HUGEPAGE); |
f2935f3e DA |
173 | #endif |
174 | #ifdef MADV_NOHUGEPAGE | |
9e9716d1 | 175 | P_MADV_BHV(NOHUGEPAGE); |
f2935f3e | 176 | #endif |
9e9716d1 ACM |
177 | #ifdef MADV_DONTDUMP |
178 | P_MADV_BHV(DONTDUMP); | |
179 | #endif | |
180 | #ifdef MADV_DODUMP | |
181 | P_MADV_BHV(DODUMP); | |
182 | #endif | |
183 | #undef P_MADV_PHV | |
184 | default: break; | |
185 | } | |
186 | ||
187 | return scnprintf(bf, size, "%#x", behavior); | |
188 | } | |
189 | ||
190 | #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior | |
191 | ||
5cea6ff2 ACM |
192 | static size_t syscall_arg__scnprintf_flock(char *bf, size_t size, |
193 | struct syscall_arg *arg) | |
194 | { | |
195 | int printed = 0, op = arg->val; | |
196 | ||
197 | if (op == 0) | |
198 | return scnprintf(bf, size, "NONE"); | |
199 | #define P_CMD(cmd) \ | |
200 | if ((op & LOCK_##cmd) == LOCK_##cmd) { \ | |
201 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \ | |
202 | op &= ~LOCK_##cmd; \ | |
203 | } | |
204 | ||
205 | P_CMD(SH); | |
206 | P_CMD(EX); | |
207 | P_CMD(NB); | |
208 | P_CMD(UN); | |
209 | P_CMD(MAND); | |
210 | P_CMD(RW); | |
211 | P_CMD(READ); | |
212 | P_CMD(WRITE); | |
213 | #undef P_OP | |
214 | ||
215 | if (op) | |
216 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op); | |
217 | ||
218 | return printed; | |
219 | } | |
220 | ||
221 | #define SCA_FLOCK syscall_arg__scnprintf_flock | |
222 | ||
01533e97 | 223 | static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg) |
f9da0b0c ACM |
224 | { |
225 | enum syscall_futex_args { | |
226 | SCF_UADDR = (1 << 0), | |
227 | SCF_OP = (1 << 1), | |
228 | SCF_VAL = (1 << 2), | |
229 | SCF_TIMEOUT = (1 << 3), | |
230 | SCF_UADDR2 = (1 << 4), | |
231 | SCF_VAL3 = (1 << 5), | |
232 | }; | |
01533e97 | 233 | int op = arg->val; |
f9da0b0c ACM |
234 | int cmd = op & FUTEX_CMD_MASK; |
235 | size_t printed = 0; | |
236 | ||
237 | switch (cmd) { | |
238 | #define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, #n); | |
01533e97 ACM |
239 | P_FUTEX_OP(WAIT); arg->mask |= SCF_VAL3|SCF_UADDR2; break; |
240 | P_FUTEX_OP(WAKE); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
241 | P_FUTEX_OP(FD); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
242 | P_FUTEX_OP(REQUEUE); arg->mask |= SCF_VAL3|SCF_TIMEOUT; break; | |
243 | P_FUTEX_OP(CMP_REQUEUE); arg->mask |= SCF_TIMEOUT; break; | |
244 | P_FUTEX_OP(CMP_REQUEUE_PI); arg->mask |= SCF_TIMEOUT; break; | |
f9da0b0c | 245 | P_FUTEX_OP(WAKE_OP); break; |
01533e97 ACM |
246 | P_FUTEX_OP(LOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; |
247 | P_FUTEX_OP(UNLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
248 | P_FUTEX_OP(TRYLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2; break; | |
249 | P_FUTEX_OP(WAIT_BITSET); arg->mask |= SCF_UADDR2; break; | |
250 | P_FUTEX_OP(WAKE_BITSET); arg->mask |= SCF_UADDR2; break; | |
f9da0b0c ACM |
251 | P_FUTEX_OP(WAIT_REQUEUE_PI); break; |
252 | default: printed = scnprintf(bf, size, "%#x", cmd); break; | |
253 | } | |
254 | ||
255 | if (op & FUTEX_PRIVATE_FLAG) | |
256 | printed += scnprintf(bf + printed, size - printed, "|PRIV"); | |
257 | ||
258 | if (op & FUTEX_CLOCK_REALTIME) | |
259 | printed += scnprintf(bf + printed, size - printed, "|CLKRT"); | |
260 | ||
261 | return printed; | |
262 | } | |
263 | ||
efe6b882 ACM |
264 | #define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op |
265 | ||
eac032c5 ACM |
266 | static const char *epoll_ctl_ops[] = { [1] = "ADD", "DEL", "MOD", }; |
267 | static DEFINE_STRARRAY(epoll_ctl_ops); | |
268 | ||
1f115cb7 ACM |
269 | static const char *itimers[] = { "REAL", "VIRTUAL", "PROF", }; |
270 | static DEFINE_STRARRAY(itimers); | |
271 | ||
efe6b882 ACM |
272 | static const char *whences[] = { "SET", "CUR", "END", |
273 | #ifdef SEEK_DATA | |
274 | "DATA", | |
275 | #endif | |
276 | #ifdef SEEK_HOLE | |
277 | "HOLE", | |
278 | #endif | |
279 | }; | |
280 | static DEFINE_STRARRAY(whences); | |
f9da0b0c | 281 | |
80f587d5 ACM |
282 | static const char *fcntl_cmds[] = { |
283 | "DUPFD", "GETFD", "SETFD", "GETFL", "SETFL", "GETLK", "SETLK", | |
284 | "SETLKW", "SETOWN", "GETOWN", "SETSIG", "GETSIG", "F_GETLK64", | |
285 | "F_SETLK64", "F_SETLKW64", "F_SETOWN_EX", "F_GETOWN_EX", | |
286 | "F_GETOWNER_UIDS", | |
287 | }; | |
288 | static DEFINE_STRARRAY(fcntl_cmds); | |
289 | ||
c045bf02 ACM |
290 | static const char *rlimit_resources[] = { |
291 | "CPU", "FSIZE", "DATA", "STACK", "CORE", "RSS", "NPROC", "NOFILE", | |
292 | "MEMLOCK", "AS", "LOCKS", "SIGPENDING", "MSGQUEUE", "NICE", "RTPRIO", | |
293 | "RTTIME", | |
294 | }; | |
295 | static DEFINE_STRARRAY(rlimit_resources); | |
296 | ||
eb5b1b14 ACM |
297 | static const char *sighow[] = { "BLOCK", "UNBLOCK", "SETMASK", }; |
298 | static DEFINE_STRARRAY(sighow); | |
299 | ||
e10bce81 ACM |
300 | static const char *socket_families[] = { |
301 | "UNSPEC", "LOCAL", "INET", "AX25", "IPX", "APPLETALK", "NETROM", | |
302 | "BRIDGE", "ATMPVC", "X25", "INET6", "ROSE", "DECnet", "NETBEUI", | |
303 | "SECURITY", "KEY", "NETLINK", "PACKET", "ASH", "ECONET", "ATMSVC", | |
304 | "RDS", "SNA", "IRDA", "PPPOX", "WANPIPE", "LLC", "IB", "CAN", "TIPC", | |
305 | "BLUETOOTH", "IUCV", "RXRPC", "ISDN", "PHONET", "IEEE802154", "CAIF", | |
306 | "ALG", "NFC", "VSOCK", | |
307 | }; | |
308 | static DEFINE_STRARRAY(socket_families); | |
309 | ||
a28b24b2 ACM |
310 | #ifndef SOCK_TYPE_MASK |
311 | #define SOCK_TYPE_MASK 0xf | |
312 | #endif | |
313 | ||
314 | static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size, | |
315 | struct syscall_arg *arg) | |
316 | { | |
317 | size_t printed; | |
318 | int type = arg->val, | |
319 | flags = type & ~SOCK_TYPE_MASK; | |
320 | ||
321 | type &= SOCK_TYPE_MASK; | |
322 | /* | |
323 | * Can't use a strarray, MIPS may override for ABI reasons. | |
324 | */ | |
325 | switch (type) { | |
326 | #define P_SK_TYPE(n) case SOCK_##n: printed = scnprintf(bf, size, #n); break; | |
327 | P_SK_TYPE(STREAM); | |
328 | P_SK_TYPE(DGRAM); | |
329 | P_SK_TYPE(RAW); | |
330 | P_SK_TYPE(RDM); | |
331 | P_SK_TYPE(SEQPACKET); | |
332 | P_SK_TYPE(DCCP); | |
333 | P_SK_TYPE(PACKET); | |
334 | #undef P_SK_TYPE | |
335 | default: | |
336 | printed = scnprintf(bf, size, "%#x", type); | |
337 | } | |
338 | ||
339 | #define P_SK_FLAG(n) \ | |
340 | if (flags & SOCK_##n) { \ | |
341 | printed += scnprintf(bf + printed, size - printed, "|%s", #n); \ | |
342 | flags &= ~SOCK_##n; \ | |
343 | } | |
344 | ||
345 | P_SK_FLAG(CLOEXEC); | |
346 | P_SK_FLAG(NONBLOCK); | |
347 | #undef P_SK_FLAG | |
348 | ||
349 | if (flags) | |
350 | printed += scnprintf(bf + printed, size - printed, "|%#x", flags); | |
351 | ||
352 | return printed; | |
353 | } | |
354 | ||
355 | #define SCA_SK_TYPE syscall_arg__scnprintf_socket_type | |
356 | ||
b2cc99fd ACM |
357 | #ifndef MSG_PROBE |
358 | #define MSG_PROBE 0x10 | |
359 | #endif | |
360 | #ifndef MSG_SENDPAGE_NOTLAST | |
361 | #define MSG_SENDPAGE_NOTLAST 0x20000 | |
362 | #endif | |
363 | #ifndef MSG_FASTOPEN | |
364 | #define MSG_FASTOPEN 0x20000000 | |
365 | #endif | |
366 | ||
367 | static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size, | |
368 | struct syscall_arg *arg) | |
369 | { | |
370 | int printed = 0, flags = arg->val; | |
371 | ||
372 | if (flags == 0) | |
373 | return scnprintf(bf, size, "NONE"); | |
374 | #define P_MSG_FLAG(n) \ | |
375 | if (flags & MSG_##n) { \ | |
376 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
377 | flags &= ~MSG_##n; \ | |
378 | } | |
379 | ||
380 | P_MSG_FLAG(OOB); | |
381 | P_MSG_FLAG(PEEK); | |
382 | P_MSG_FLAG(DONTROUTE); | |
383 | P_MSG_FLAG(TRYHARD); | |
384 | P_MSG_FLAG(CTRUNC); | |
385 | P_MSG_FLAG(PROBE); | |
386 | P_MSG_FLAG(TRUNC); | |
387 | P_MSG_FLAG(DONTWAIT); | |
388 | P_MSG_FLAG(EOR); | |
389 | P_MSG_FLAG(WAITALL); | |
390 | P_MSG_FLAG(FIN); | |
391 | P_MSG_FLAG(SYN); | |
392 | P_MSG_FLAG(CONFIRM); | |
393 | P_MSG_FLAG(RST); | |
394 | P_MSG_FLAG(ERRQUEUE); | |
395 | P_MSG_FLAG(NOSIGNAL); | |
396 | P_MSG_FLAG(MORE); | |
397 | P_MSG_FLAG(WAITFORONE); | |
398 | P_MSG_FLAG(SENDPAGE_NOTLAST); | |
399 | P_MSG_FLAG(FASTOPEN); | |
400 | P_MSG_FLAG(CMSG_CLOEXEC); | |
401 | #undef P_MSG_FLAG | |
402 | ||
403 | if (flags) | |
404 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
405 | ||
406 | return printed; | |
407 | } | |
408 | ||
409 | #define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags | |
410 | ||
51108999 ACM |
411 | static size_t syscall_arg__scnprintf_access_mode(char *bf, size_t size, |
412 | struct syscall_arg *arg) | |
413 | { | |
414 | size_t printed = 0; | |
415 | int mode = arg->val; | |
416 | ||
417 | if (mode == F_OK) /* 0 */ | |
418 | return scnprintf(bf, size, "F"); | |
419 | #define P_MODE(n) \ | |
420 | if (mode & n##_OK) { \ | |
421 | printed += scnprintf(bf + printed, size - printed, "%s", #n); \ | |
422 | mode &= ~n##_OK; \ | |
423 | } | |
424 | ||
425 | P_MODE(R); | |
426 | P_MODE(W); | |
427 | P_MODE(X); | |
428 | #undef P_MODE | |
429 | ||
430 | if (mode) | |
431 | printed += scnprintf(bf + printed, size - printed, "|%#x", mode); | |
432 | ||
433 | return printed; | |
434 | } | |
435 | ||
436 | #define SCA_ACCMODE syscall_arg__scnprintf_access_mode | |
437 | ||
be65a89a | 438 | static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, |
01533e97 | 439 | struct syscall_arg *arg) |
be65a89a | 440 | { |
01533e97 | 441 | int printed = 0, flags = arg->val; |
be65a89a ACM |
442 | |
443 | if (!(flags & O_CREAT)) | |
01533e97 | 444 | arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */ |
be65a89a ACM |
445 | |
446 | if (flags == 0) | |
447 | return scnprintf(bf, size, "RDONLY"); | |
448 | #define P_FLAG(n) \ | |
449 | if (flags & O_##n) { \ | |
450 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
451 | flags &= ~O_##n; \ | |
452 | } | |
453 | ||
454 | P_FLAG(APPEND); | |
455 | P_FLAG(ASYNC); | |
456 | P_FLAG(CLOEXEC); | |
457 | P_FLAG(CREAT); | |
458 | P_FLAG(DIRECT); | |
459 | P_FLAG(DIRECTORY); | |
460 | P_FLAG(EXCL); | |
461 | P_FLAG(LARGEFILE); | |
462 | P_FLAG(NOATIME); | |
463 | P_FLAG(NOCTTY); | |
464 | #ifdef O_NONBLOCK | |
465 | P_FLAG(NONBLOCK); | |
466 | #elif O_NDELAY | |
467 | P_FLAG(NDELAY); | |
468 | #endif | |
469 | #ifdef O_PATH | |
470 | P_FLAG(PATH); | |
471 | #endif | |
472 | P_FLAG(RDWR); | |
473 | #ifdef O_DSYNC | |
474 | if ((flags & O_SYNC) == O_SYNC) | |
475 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC"); | |
476 | else { | |
477 | P_FLAG(DSYNC); | |
478 | } | |
479 | #else | |
480 | P_FLAG(SYNC); | |
481 | #endif | |
482 | P_FLAG(TRUNC); | |
483 | P_FLAG(WRONLY); | |
484 | #undef P_FLAG | |
485 | ||
486 | if (flags) | |
487 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
488 | ||
489 | return printed; | |
490 | } | |
491 | ||
492 | #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags | |
493 | ||
49af9e93 ACM |
494 | static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, |
495 | struct syscall_arg *arg) | |
496 | { | |
497 | int printed = 0, flags = arg->val; | |
498 | ||
499 | if (flags == 0) | |
500 | return scnprintf(bf, size, "NONE"); | |
501 | #define P_FLAG(n) \ | |
502 | if (flags & EFD_##n) { \ | |
503 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
504 | flags &= ~EFD_##n; \ | |
505 | } | |
506 | ||
507 | P_FLAG(SEMAPHORE); | |
508 | P_FLAG(CLOEXEC); | |
509 | P_FLAG(NONBLOCK); | |
510 | #undef P_FLAG | |
511 | ||
512 | if (flags) | |
513 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
514 | ||
515 | return printed; | |
516 | } | |
517 | ||
518 | #define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags | |
519 | ||
8bad5b0a ACM |
520 | static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg) |
521 | { | |
522 | int sig = arg->val; | |
523 | ||
524 | switch (sig) { | |
525 | #define P_SIGNUM(n) case SIG##n: return scnprintf(bf, size, #n) | |
526 | P_SIGNUM(HUP); | |
527 | P_SIGNUM(INT); | |
528 | P_SIGNUM(QUIT); | |
529 | P_SIGNUM(ILL); | |
530 | P_SIGNUM(TRAP); | |
531 | P_SIGNUM(ABRT); | |
532 | P_SIGNUM(BUS); | |
533 | P_SIGNUM(FPE); | |
534 | P_SIGNUM(KILL); | |
535 | P_SIGNUM(USR1); | |
536 | P_SIGNUM(SEGV); | |
537 | P_SIGNUM(USR2); | |
538 | P_SIGNUM(PIPE); | |
539 | P_SIGNUM(ALRM); | |
540 | P_SIGNUM(TERM); | |
541 | P_SIGNUM(STKFLT); | |
542 | P_SIGNUM(CHLD); | |
543 | P_SIGNUM(CONT); | |
544 | P_SIGNUM(STOP); | |
545 | P_SIGNUM(TSTP); | |
546 | P_SIGNUM(TTIN); | |
547 | P_SIGNUM(TTOU); | |
548 | P_SIGNUM(URG); | |
549 | P_SIGNUM(XCPU); | |
550 | P_SIGNUM(XFSZ); | |
551 | P_SIGNUM(VTALRM); | |
552 | P_SIGNUM(PROF); | |
553 | P_SIGNUM(WINCH); | |
554 | P_SIGNUM(IO); | |
555 | P_SIGNUM(PWR); | |
556 | P_SIGNUM(SYS); | |
557 | default: break; | |
558 | } | |
559 | ||
560 | return scnprintf(bf, size, "%#x", sig); | |
561 | } | |
562 | ||
563 | #define SCA_SIGNUM syscall_arg__scnprintf_signum | |
564 | ||
453350dd ACM |
565 | #define STRARRAY(arg, name, array) \ |
566 | .arg_scnprintf = { [arg] = SCA_STRARRAY, }, \ | |
567 | .arg_parm = { [arg] = &strarray__##array, } | |
568 | ||
514f1c67 ACM |
569 | static struct syscall_fmt { |
570 | const char *name; | |
aec1930b | 571 | const char *alias; |
01533e97 | 572 | size_t (*arg_scnprintf[6])(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 573 | void *arg_parm[6]; |
514f1c67 ACM |
574 | bool errmsg; |
575 | bool timeout; | |
04b34729 | 576 | bool hexret; |
514f1c67 | 577 | } syscall_fmts[] = { |
51108999 ACM |
578 | { .name = "access", .errmsg = true, |
579 | .arg_scnprintf = { [1] = SCA_ACCMODE, /* mode */ }, }, | |
aec1930b | 580 | { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, |
beccb2b5 ACM |
581 | { .name = "brk", .hexret = true, |
582 | .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, | |
a14bb860 | 583 | { .name = "connect", .errmsg = true, }, |
453350dd | 584 | { .name = "epoll_ctl", .errmsg = true, STRARRAY(1, op, epoll_ctl_ops), }, |
49af9e93 ACM |
585 | { .name = "eventfd2", .errmsg = true, |
586 | .arg_scnprintf = { [1] = SCA_EFD_FLAGS, /* flags */ }, }, | |
453350dd | 587 | { .name = "fcntl", .errmsg = true, STRARRAY(1, cmd, fcntl_cmds), }, |
5cea6ff2 ACM |
588 | { .name = "flock", .errmsg = true, |
589 | .arg_scnprintf = { [1] = SCA_FLOCK, /* cmd */ }, }, | |
aec1930b ACM |
590 | { .name = "fstat", .errmsg = true, .alias = "newfstat", }, |
591 | { .name = "fstatat", .errmsg = true, .alias = "newfstatat", }, | |
f9da0b0c ACM |
592 | { .name = "futex", .errmsg = true, |
593 | .arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, }, | |
453350dd ACM |
594 | { .name = "getitimer", .errmsg = true, STRARRAY(0, which, itimers), }, |
595 | { .name = "getrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, | |
beccb2b5 ACM |
596 | { .name = "ioctl", .errmsg = true, |
597 | .arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, }, | |
8bad5b0a ACM |
598 | { .name = "kill", .errmsg = true, |
599 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
453350dd | 600 | { .name = "lseek", .errmsg = true, STRARRAY(2, whence, whences), }, |
e5959683 | 601 | { .name = "lstat", .errmsg = true, .alias = "newlstat", }, |
9e9716d1 ACM |
602 | { .name = "madvise", .errmsg = true, |
603 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ | |
604 | [2] = SCA_MADV_BHV, /* behavior */ }, }, | |
beccb2b5 | 605 | { .name = "mmap", .hexret = true, |
ae685380 | 606 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ |
941557e0 ACM |
607 | [2] = SCA_MMAP_PROT, /* prot */ |
608 | [3] = SCA_MMAP_FLAGS, /* flags */ }, }, | |
beccb2b5 | 609 | { .name = "mprotect", .errmsg = true, |
ae685380 ACM |
610 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ |
611 | [2] = SCA_MMAP_PROT, /* prot */ }, }, | |
612 | { .name = "mremap", .hexret = true, | |
613 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ | |
614 | [4] = SCA_HEX, /* new_addr */ }, }, | |
beccb2b5 ACM |
615 | { .name = "munmap", .errmsg = true, |
616 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
be65a89a ACM |
617 | { .name = "open", .errmsg = true, |
618 | .arg_scnprintf = { [1] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
31cd3855 ACM |
619 | { .name = "open_by_handle_at", .errmsg = true, |
620 | .arg_scnprintf = { [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
621 | { .name = "openat", .errmsg = true, | |
622 | .arg_scnprintf = { [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
aec1930b ACM |
623 | { .name = "poll", .errmsg = true, .timeout = true, }, |
624 | { .name = "ppoll", .errmsg = true, .timeout = true, }, | |
e5959683 | 625 | { .name = "pread", .errmsg = true, .alias = "pread64", }, |
453350dd | 626 | { .name = "prlimit64", .errmsg = true, STRARRAY(1, resource, rlimit_resources), }, |
e5959683 | 627 | { .name = "pwrite", .errmsg = true, .alias = "pwrite64", }, |
aec1930b | 628 | { .name = "read", .errmsg = true, }, |
b2cc99fd ACM |
629 | { .name = "recvfrom", .errmsg = true, |
630 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
631 | { .name = "recvmmsg", .errmsg = true, | |
632 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
633 | { .name = "recvmsg", .errmsg = true, | |
634 | .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, | |
8bad5b0a ACM |
635 | { .name = "rt_sigaction", .errmsg = true, |
636 | .arg_scnprintf = { [0] = SCA_SIGNUM, /* sig */ }, }, | |
453350dd | 637 | { .name = "rt_sigprocmask", .errmsg = true, STRARRAY(0, how, sighow), }, |
8bad5b0a ACM |
638 | { .name = "rt_sigqueueinfo", .errmsg = true, |
639 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
640 | { .name = "rt_tgsigqueueinfo", .errmsg = true, | |
641 | .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, | |
aec1930b | 642 | { .name = "select", .errmsg = true, .timeout = true, }, |
b2cc99fd ACM |
643 | { .name = "sendmmsg", .errmsg = true, |
644 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
645 | { .name = "sendmsg", .errmsg = true, | |
646 | .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, | |
647 | { .name = "sendto", .errmsg = true, | |
648 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
453350dd ACM |
649 | { .name = "setitimer", .errmsg = true, STRARRAY(0, which, itimers), }, |
650 | { .name = "setrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, | |
e10bce81 | 651 | { .name = "socket", .errmsg = true, |
a28b24b2 ACM |
652 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ |
653 | [1] = SCA_SK_TYPE, /* type */ }, | |
07120aa5 ACM |
654 | .arg_parm = { [0] = &strarray__socket_families, /* family */ }, }, |
655 | { .name = "socketpair", .errmsg = true, | |
656 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ | |
657 | [1] = SCA_SK_TYPE, /* type */ }, | |
e10bce81 | 658 | .arg_parm = { [0] = &strarray__socket_families, /* family */ }, }, |
aec1930b | 659 | { .name = "stat", .errmsg = true, .alias = "newstat", }, |
8bad5b0a ACM |
660 | { .name = "tgkill", .errmsg = true, |
661 | .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, | |
662 | { .name = "tkill", .errmsg = true, | |
663 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
e5959683 | 664 | { .name = "uname", .errmsg = true, .alias = "newuname", }, |
514f1c67 ACM |
665 | }; |
666 | ||
667 | static int syscall_fmt__cmp(const void *name, const void *fmtp) | |
668 | { | |
669 | const struct syscall_fmt *fmt = fmtp; | |
670 | return strcmp(name, fmt->name); | |
671 | } | |
672 | ||
673 | static struct syscall_fmt *syscall_fmt__find(const char *name) | |
674 | { | |
675 | const int nmemb = ARRAY_SIZE(syscall_fmts); | |
676 | return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp); | |
677 | } | |
678 | ||
679 | struct syscall { | |
680 | struct event_format *tp_format; | |
681 | const char *name; | |
2ae3a312 | 682 | bool filtered; |
514f1c67 | 683 | struct syscall_fmt *fmt; |
01533e97 | 684 | size_t (**arg_scnprintf)(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 685 | void **arg_parm; |
514f1c67 ACM |
686 | }; |
687 | ||
60c907ab ACM |
688 | static size_t fprintf_duration(unsigned long t, FILE *fp) |
689 | { | |
690 | double duration = (double)t / NSEC_PER_MSEC; | |
691 | size_t printed = fprintf(fp, "("); | |
692 | ||
693 | if (duration >= 1.0) | |
694 | printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration); | |
695 | else if (duration >= 0.01) | |
696 | printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration); | |
697 | else | |
698 | printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration); | |
c24ff998 | 699 | return printed + fprintf(fp, "): "); |
60c907ab ACM |
700 | } |
701 | ||
752fde44 ACM |
702 | struct thread_trace { |
703 | u64 entry_time; | |
704 | u64 exit_time; | |
705 | bool entry_pending; | |
efd5745e | 706 | unsigned long nr_events; |
752fde44 | 707 | char *entry_str; |
1302d88e | 708 | double runtime_ms; |
752fde44 ACM |
709 | }; |
710 | ||
711 | static struct thread_trace *thread_trace__new(void) | |
712 | { | |
713 | return zalloc(sizeof(struct thread_trace)); | |
714 | } | |
715 | ||
c24ff998 | 716 | static struct thread_trace *thread__trace(struct thread *thread, FILE *fp) |
752fde44 | 717 | { |
efd5745e ACM |
718 | struct thread_trace *ttrace; |
719 | ||
752fde44 ACM |
720 | if (thread == NULL) |
721 | goto fail; | |
722 | ||
723 | if (thread->priv == NULL) | |
724 | thread->priv = thread_trace__new(); | |
efd5745e | 725 | |
752fde44 ACM |
726 | if (thread->priv == NULL) |
727 | goto fail; | |
728 | ||
efd5745e ACM |
729 | ttrace = thread->priv; |
730 | ++ttrace->nr_events; | |
731 | ||
732 | return ttrace; | |
752fde44 | 733 | fail: |
c24ff998 | 734 | color_fprintf(fp, PERF_COLOR_RED, |
752fde44 ACM |
735 | "WARNING: not enough memory, dropping samples!\n"); |
736 | return NULL; | |
737 | } | |
738 | ||
514f1c67 | 739 | struct trace { |
c24ff998 | 740 | struct perf_tool tool; |
514f1c67 ACM |
741 | int audit_machine; |
742 | struct { | |
743 | int max; | |
744 | struct syscall *table; | |
745 | } syscalls; | |
746 | struct perf_record_opts opts; | |
752fde44 ACM |
747 | struct machine host; |
748 | u64 base_time; | |
4bb09192 | 749 | bool full_time; |
c24ff998 | 750 | FILE *output; |
efd5745e | 751 | unsigned long nr_events; |
b059efdf ACM |
752 | struct strlist *ev_qualifier; |
753 | bool not_ev_qualifier; | |
bdc89661 DA |
754 | struct intlist *tid_list; |
755 | struct intlist *pid_list; | |
1302d88e | 756 | bool sched; |
752fde44 | 757 | bool multiple_threads; |
50c95cbd | 758 | bool show_comm; |
ae9ed035 | 759 | double duration_filter; |
1302d88e | 760 | double runtime_ms; |
514f1c67 ACM |
761 | }; |
762 | ||
ae9ed035 ACM |
763 | static bool trace__filter_duration(struct trace *trace, double t) |
764 | { | |
765 | return t < (trace->duration_filter * NSEC_PER_MSEC); | |
766 | } | |
767 | ||
752fde44 ACM |
768 | static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp) |
769 | { | |
770 | double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC; | |
771 | ||
60c907ab | 772 | return fprintf(fp, "%10.3f ", ts); |
752fde44 ACM |
773 | } |
774 | ||
f15eb531 NK |
775 | static bool done = false; |
776 | ||
777 | static void sig_handler(int sig __maybe_unused) | |
778 | { | |
779 | done = true; | |
780 | } | |
781 | ||
752fde44 | 782 | static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, |
60c907ab | 783 | u64 duration, u64 tstamp, FILE *fp) |
752fde44 ACM |
784 | { |
785 | size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); | |
60c907ab | 786 | printed += fprintf_duration(duration, fp); |
752fde44 | 787 | |
50c95cbd ACM |
788 | if (trace->multiple_threads) { |
789 | if (trace->show_comm) | |
790 | printed += fprintf(fp, "%.14s/", thread->comm); | |
38051234 | 791 | printed += fprintf(fp, "%d ", thread->tid); |
50c95cbd | 792 | } |
752fde44 ACM |
793 | |
794 | return printed; | |
795 | } | |
796 | ||
c24ff998 ACM |
797 | static int trace__process_event(struct trace *trace, struct machine *machine, |
798 | union perf_event *event) | |
752fde44 ACM |
799 | { |
800 | int ret = 0; | |
801 | ||
802 | switch (event->header.type) { | |
803 | case PERF_RECORD_LOST: | |
c24ff998 | 804 | color_fprintf(trace->output, PERF_COLOR_RED, |
752fde44 ACM |
805 | "LOST %" PRIu64 " events!\n", event->lost.lost); |
806 | ret = machine__process_lost_event(machine, event); | |
807 | default: | |
808 | ret = machine__process_event(machine, event); | |
809 | break; | |
810 | } | |
811 | ||
812 | return ret; | |
813 | } | |
814 | ||
c24ff998 | 815 | static int trace__tool_process(struct perf_tool *tool, |
752fde44 ACM |
816 | union perf_event *event, |
817 | struct perf_sample *sample __maybe_unused, | |
818 | struct machine *machine) | |
819 | { | |
c24ff998 ACM |
820 | struct trace *trace = container_of(tool, struct trace, tool); |
821 | return trace__process_event(trace, machine, event); | |
752fde44 ACM |
822 | } |
823 | ||
824 | static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist) | |
825 | { | |
826 | int err = symbol__init(); | |
827 | ||
828 | if (err) | |
829 | return err; | |
830 | ||
831 | machine__init(&trace->host, "", HOST_KERNEL_ID); | |
832 | machine__create_kernel_maps(&trace->host); | |
833 | ||
834 | if (perf_target__has_task(&trace->opts.target)) { | |
c24ff998 | 835 | err = perf_event__synthesize_thread_map(&trace->tool, evlist->threads, |
752fde44 ACM |
836 | trace__tool_process, |
837 | &trace->host); | |
838 | } else { | |
c24ff998 | 839 | err = perf_event__synthesize_threads(&trace->tool, trace__tool_process, |
752fde44 ACM |
840 | &trace->host); |
841 | } | |
842 | ||
843 | if (err) | |
844 | symbol__exit(); | |
845 | ||
846 | return err; | |
847 | } | |
848 | ||
13d4ff3e ACM |
849 | static int syscall__set_arg_fmts(struct syscall *sc) |
850 | { | |
851 | struct format_field *field; | |
852 | int idx = 0; | |
853 | ||
854 | sc->arg_scnprintf = calloc(sc->tp_format->format.nr_fields - 1, sizeof(void *)); | |
855 | if (sc->arg_scnprintf == NULL) | |
856 | return -1; | |
857 | ||
1f115cb7 ACM |
858 | if (sc->fmt) |
859 | sc->arg_parm = sc->fmt->arg_parm; | |
860 | ||
13d4ff3e | 861 | for (field = sc->tp_format->format.fields->next; field; field = field->next) { |
beccb2b5 ACM |
862 | if (sc->fmt && sc->fmt->arg_scnprintf[idx]) |
863 | sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx]; | |
864 | else if (field->flags & FIELD_IS_POINTER) | |
13d4ff3e ACM |
865 | sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex; |
866 | ++idx; | |
867 | } | |
868 | ||
869 | return 0; | |
870 | } | |
871 | ||
514f1c67 ACM |
872 | static int trace__read_syscall_info(struct trace *trace, int id) |
873 | { | |
874 | char tp_name[128]; | |
875 | struct syscall *sc; | |
3a531260 ACM |
876 | const char *name = audit_syscall_to_name(id, trace->audit_machine); |
877 | ||
878 | if (name == NULL) | |
879 | return -1; | |
514f1c67 ACM |
880 | |
881 | if (id > trace->syscalls.max) { | |
882 | struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc)); | |
883 | ||
884 | if (nsyscalls == NULL) | |
885 | return -1; | |
886 | ||
887 | if (trace->syscalls.max != -1) { | |
888 | memset(nsyscalls + trace->syscalls.max + 1, 0, | |
889 | (id - trace->syscalls.max) * sizeof(*sc)); | |
890 | } else { | |
891 | memset(nsyscalls, 0, (id + 1) * sizeof(*sc)); | |
892 | } | |
893 | ||
894 | trace->syscalls.table = nsyscalls; | |
895 | trace->syscalls.max = id; | |
896 | } | |
897 | ||
898 | sc = trace->syscalls.table + id; | |
3a531260 | 899 | sc->name = name; |
2ae3a312 | 900 | |
b059efdf ACM |
901 | if (trace->ev_qualifier) { |
902 | bool in = strlist__find(trace->ev_qualifier, name) != NULL; | |
903 | ||
904 | if (!(in ^ trace->not_ev_qualifier)) { | |
905 | sc->filtered = true; | |
906 | /* | |
907 | * No need to do read tracepoint information since this will be | |
908 | * filtered out. | |
909 | */ | |
910 | return 0; | |
911 | } | |
2ae3a312 ACM |
912 | } |
913 | ||
3a531260 | 914 | sc->fmt = syscall_fmt__find(sc->name); |
514f1c67 | 915 | |
aec1930b | 916 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); |
514f1c67 | 917 | sc->tp_format = event_format__new("syscalls", tp_name); |
aec1930b ACM |
918 | |
919 | if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) { | |
920 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias); | |
921 | sc->tp_format = event_format__new("syscalls", tp_name); | |
922 | } | |
514f1c67 | 923 | |
13d4ff3e ACM |
924 | if (sc->tp_format == NULL) |
925 | return -1; | |
926 | ||
927 | return syscall__set_arg_fmts(sc); | |
514f1c67 ACM |
928 | } |
929 | ||
752fde44 ACM |
930 | static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, |
931 | unsigned long *args) | |
514f1c67 | 932 | { |
514f1c67 ACM |
933 | size_t printed = 0; |
934 | ||
935 | if (sc->tp_format != NULL) { | |
936 | struct format_field *field; | |
01533e97 ACM |
937 | u8 bit = 1; |
938 | struct syscall_arg arg = { | |
939 | .idx = 0, | |
940 | .mask = 0, | |
941 | }; | |
6e7eeb51 ACM |
942 | |
943 | for (field = sc->tp_format->format.fields->next; field; | |
01533e97 ACM |
944 | field = field->next, ++arg.idx, bit <<= 1) { |
945 | if (arg.mask & bit) | |
6e7eeb51 | 946 | continue; |
4aa58232 ACM |
947 | /* |
948 | * Suppress this argument if its value is zero and | |
949 | * and we don't have a string associated in an | |
950 | * strarray for it. | |
951 | */ | |
952 | if (args[arg.idx] == 0 && | |
953 | !(sc->arg_scnprintf && | |
954 | sc->arg_scnprintf[arg.idx] == SCA_STRARRAY && | |
955 | sc->arg_parm[arg.idx])) | |
22ae5cf1 ACM |
956 | continue; |
957 | ||
752fde44 | 958 | printed += scnprintf(bf + printed, size - printed, |
13d4ff3e | 959 | "%s%s: ", printed ? ", " : "", field->name); |
01533e97 ACM |
960 | if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) { |
961 | arg.val = args[arg.idx]; | |
1f115cb7 ACM |
962 | if (sc->arg_parm) |
963 | arg.parm = sc->arg_parm[arg.idx]; | |
01533e97 ACM |
964 | printed += sc->arg_scnprintf[arg.idx](bf + printed, |
965 | size - printed, &arg); | |
6e7eeb51 | 966 | } else { |
13d4ff3e | 967 | printed += scnprintf(bf + printed, size - printed, |
01533e97 | 968 | "%ld", args[arg.idx]); |
6e7eeb51 | 969 | } |
514f1c67 ACM |
970 | } |
971 | } else { | |
01533e97 ACM |
972 | int i = 0; |
973 | ||
514f1c67 | 974 | while (i < 6) { |
752fde44 ACM |
975 | printed += scnprintf(bf + printed, size - printed, |
976 | "%sarg%d: %ld", | |
977 | printed ? ", " : "", i, args[i]); | |
514f1c67 ACM |
978 | ++i; |
979 | } | |
980 | } | |
981 | ||
982 | return printed; | |
983 | } | |
984 | ||
ba3d7dee ACM |
985 | typedef int (*tracepoint_handler)(struct trace *trace, struct perf_evsel *evsel, |
986 | struct perf_sample *sample); | |
987 | ||
988 | static struct syscall *trace__syscall_info(struct trace *trace, | |
989 | struct perf_evsel *evsel, | |
990 | struct perf_sample *sample) | |
991 | { | |
992 | int id = perf_evsel__intval(evsel, sample, "id"); | |
993 | ||
994 | if (id < 0) { | |
adaa18bf ACM |
995 | |
996 | /* | |
997 | * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried | |
998 | * before that, leaving at a higher verbosity level till that is | |
999 | * explained. Reproduced with plain ftrace with: | |
1000 | * | |
1001 | * echo 1 > /t/events/raw_syscalls/sys_exit/enable | |
1002 | * grep "NR -1 " /t/trace_pipe | |
1003 | * | |
1004 | * After generating some load on the machine. | |
1005 | */ | |
1006 | if (verbose > 1) { | |
1007 | static u64 n; | |
1008 | fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n", | |
1009 | id, perf_evsel__name(evsel), ++n); | |
1010 | } | |
ba3d7dee ACM |
1011 | return NULL; |
1012 | } | |
1013 | ||
1014 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) && | |
1015 | trace__read_syscall_info(trace, id)) | |
1016 | goto out_cant_read; | |
1017 | ||
1018 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL)) | |
1019 | goto out_cant_read; | |
1020 | ||
1021 | return &trace->syscalls.table[id]; | |
1022 | ||
1023 | out_cant_read: | |
7c304ee0 ACM |
1024 | if (verbose) { |
1025 | fprintf(trace->output, "Problems reading syscall %d", id); | |
1026 | if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) | |
1027 | fprintf(trace->output, "(%s)", trace->syscalls.table[id].name); | |
1028 | fputs(" information\n", trace->output); | |
1029 | } | |
ba3d7dee ACM |
1030 | return NULL; |
1031 | } | |
1032 | ||
1033 | static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, | |
1034 | struct perf_sample *sample) | |
1035 | { | |
752fde44 | 1036 | char *msg; |
ba3d7dee | 1037 | void *args; |
752fde44 | 1038 | size_t printed = 0; |
2ae3a312 | 1039 | struct thread *thread; |
ba3d7dee | 1040 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
2ae3a312 ACM |
1041 | struct thread_trace *ttrace; |
1042 | ||
1043 | if (sc == NULL) | |
1044 | return -1; | |
ba3d7dee | 1045 | |
2ae3a312 ACM |
1046 | if (sc->filtered) |
1047 | return 0; | |
1048 | ||
314add6b AH |
1049 | thread = machine__findnew_thread(&trace->host, sample->pid, |
1050 | sample->tid); | |
c24ff998 | 1051 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 1052 | if (ttrace == NULL) |
ba3d7dee ACM |
1053 | return -1; |
1054 | ||
1055 | args = perf_evsel__rawptr(evsel, sample, "args"); | |
1056 | if (args == NULL) { | |
c24ff998 | 1057 | fprintf(trace->output, "Problems reading syscall arguments\n"); |
ba3d7dee ACM |
1058 | return -1; |
1059 | } | |
1060 | ||
752fde44 ACM |
1061 | ttrace = thread->priv; |
1062 | ||
1063 | if (ttrace->entry_str == NULL) { | |
1064 | ttrace->entry_str = malloc(1024); | |
1065 | if (!ttrace->entry_str) | |
1066 | return -1; | |
1067 | } | |
1068 | ||
1069 | ttrace->entry_time = sample->time; | |
1070 | msg = ttrace->entry_str; | |
1071 | printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name); | |
1072 | ||
1073 | printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, args); | |
1074 | ||
1075 | if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) { | |
ae9ed035 | 1076 | if (!trace->duration_filter) { |
c24ff998 ACM |
1077 | trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output); |
1078 | fprintf(trace->output, "%-70s\n", ttrace->entry_str); | |
ae9ed035 | 1079 | } |
752fde44 ACM |
1080 | } else |
1081 | ttrace->entry_pending = true; | |
ba3d7dee ACM |
1082 | |
1083 | return 0; | |
1084 | } | |
1085 | ||
1086 | static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, | |
1087 | struct perf_sample *sample) | |
1088 | { | |
1089 | int ret; | |
60c907ab | 1090 | u64 duration = 0; |
2ae3a312 | 1091 | struct thread *thread; |
ba3d7dee | 1092 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
2ae3a312 ACM |
1093 | struct thread_trace *ttrace; |
1094 | ||
1095 | if (sc == NULL) | |
1096 | return -1; | |
ba3d7dee | 1097 | |
2ae3a312 ACM |
1098 | if (sc->filtered) |
1099 | return 0; | |
1100 | ||
314add6b AH |
1101 | thread = machine__findnew_thread(&trace->host, sample->pid, |
1102 | sample->tid); | |
c24ff998 | 1103 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 1104 | if (ttrace == NULL) |
ba3d7dee ACM |
1105 | return -1; |
1106 | ||
1107 | ret = perf_evsel__intval(evsel, sample, "ret"); | |
1108 | ||
752fde44 ACM |
1109 | ttrace = thread->priv; |
1110 | ||
1111 | ttrace->exit_time = sample->time; | |
1112 | ||
ae9ed035 | 1113 | if (ttrace->entry_time) { |
60c907ab | 1114 | duration = sample->time - ttrace->entry_time; |
ae9ed035 ACM |
1115 | if (trace__filter_duration(trace, duration)) |
1116 | goto out; | |
1117 | } else if (trace->duration_filter) | |
1118 | goto out; | |
60c907ab | 1119 | |
c24ff998 | 1120 | trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output); |
752fde44 ACM |
1121 | |
1122 | if (ttrace->entry_pending) { | |
c24ff998 | 1123 | fprintf(trace->output, "%-70s", ttrace->entry_str); |
752fde44 | 1124 | } else { |
c24ff998 ACM |
1125 | fprintf(trace->output, " ... ["); |
1126 | color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued"); | |
1127 | fprintf(trace->output, "]: %s()", sc->name); | |
752fde44 ACM |
1128 | } |
1129 | ||
da3c9a44 ACM |
1130 | if (sc->fmt == NULL) { |
1131 | signed_print: | |
1132 | fprintf(trace->output, ") = %d", ret); | |
1133 | } else if (ret < 0 && sc->fmt->errmsg) { | |
ba3d7dee ACM |
1134 | char bf[256]; |
1135 | const char *emsg = strerror_r(-ret, bf, sizeof(bf)), | |
1136 | *e = audit_errno_to_name(-ret); | |
1137 | ||
c24ff998 | 1138 | fprintf(trace->output, ") = -1 %s %s", e, emsg); |
da3c9a44 | 1139 | } else if (ret == 0 && sc->fmt->timeout) |
c24ff998 | 1140 | fprintf(trace->output, ") = 0 Timeout"); |
04b34729 ACM |
1141 | else if (sc->fmt->hexret) |
1142 | fprintf(trace->output, ") = %#x", ret); | |
ba3d7dee | 1143 | else |
da3c9a44 | 1144 | goto signed_print; |
ba3d7dee | 1145 | |
c24ff998 | 1146 | fputc('\n', trace->output); |
ae9ed035 | 1147 | out: |
752fde44 ACM |
1148 | ttrace->entry_pending = false; |
1149 | ||
ba3d7dee ACM |
1150 | return 0; |
1151 | } | |
1152 | ||
1302d88e ACM |
1153 | static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel, |
1154 | struct perf_sample *sample) | |
1155 | { | |
1156 | u64 runtime = perf_evsel__intval(evsel, sample, "runtime"); | |
1157 | double runtime_ms = (double)runtime / NSEC_PER_MSEC; | |
314add6b AH |
1158 | struct thread *thread = machine__findnew_thread(&trace->host, |
1159 | sample->pid, | |
1160 | sample->tid); | |
c24ff998 | 1161 | struct thread_trace *ttrace = thread__trace(thread, trace->output); |
1302d88e ACM |
1162 | |
1163 | if (ttrace == NULL) | |
1164 | goto out_dump; | |
1165 | ||
1166 | ttrace->runtime_ms += runtime_ms; | |
1167 | trace->runtime_ms += runtime_ms; | |
1168 | return 0; | |
1169 | ||
1170 | out_dump: | |
c24ff998 | 1171 | fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n", |
1302d88e ACM |
1172 | evsel->name, |
1173 | perf_evsel__strval(evsel, sample, "comm"), | |
1174 | (pid_t)perf_evsel__intval(evsel, sample, "pid"), | |
1175 | runtime, | |
1176 | perf_evsel__intval(evsel, sample, "vruntime")); | |
1177 | return 0; | |
1178 | } | |
1179 | ||
bdc89661 DA |
1180 | static bool skip_sample(struct trace *trace, struct perf_sample *sample) |
1181 | { | |
1182 | if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) || | |
1183 | (trace->tid_list && intlist__find(trace->tid_list, sample->tid))) | |
1184 | return false; | |
1185 | ||
1186 | if (trace->pid_list || trace->tid_list) | |
1187 | return true; | |
1188 | ||
1189 | return false; | |
1190 | } | |
1191 | ||
6810fc91 DA |
1192 | static int trace__process_sample(struct perf_tool *tool, |
1193 | union perf_event *event __maybe_unused, | |
1194 | struct perf_sample *sample, | |
1195 | struct perf_evsel *evsel, | |
1196 | struct machine *machine __maybe_unused) | |
1197 | { | |
1198 | struct trace *trace = container_of(tool, struct trace, tool); | |
1199 | int err = 0; | |
1200 | ||
1201 | tracepoint_handler handler = evsel->handler.func; | |
1202 | ||
bdc89661 DA |
1203 | if (skip_sample(trace, sample)) |
1204 | return 0; | |
1205 | ||
4bb09192 | 1206 | if (!trace->full_time && trace->base_time == 0) |
6810fc91 DA |
1207 | trace->base_time = sample->time; |
1208 | ||
1209 | if (handler) | |
1210 | handler(trace, evsel, sample); | |
1211 | ||
1212 | return err; | |
1213 | } | |
1214 | ||
1215 | static bool | |
1216 | perf_session__has_tp(struct perf_session *session, const char *name) | |
1217 | { | |
1218 | struct perf_evsel *evsel; | |
1219 | ||
1220 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, name); | |
1221 | ||
1222 | return evsel != NULL; | |
1223 | } | |
1224 | ||
bdc89661 DA |
1225 | static int parse_target_str(struct trace *trace) |
1226 | { | |
1227 | if (trace->opts.target.pid) { | |
1228 | trace->pid_list = intlist__new(trace->opts.target.pid); | |
1229 | if (trace->pid_list == NULL) { | |
1230 | pr_err("Error parsing process id string\n"); | |
1231 | return -EINVAL; | |
1232 | } | |
1233 | } | |
1234 | ||
1235 | if (trace->opts.target.tid) { | |
1236 | trace->tid_list = intlist__new(trace->opts.target.tid); | |
1237 | if (trace->tid_list == NULL) { | |
1238 | pr_err("Error parsing thread id string\n"); | |
1239 | return -EINVAL; | |
1240 | } | |
1241 | } | |
1242 | ||
1243 | return 0; | |
1244 | } | |
1245 | ||
f15eb531 | 1246 | static int trace__run(struct trace *trace, int argc, const char **argv) |
514f1c67 | 1247 | { |
334fe7a3 | 1248 | struct perf_evlist *evlist = perf_evlist__new(); |
ba3d7dee | 1249 | struct perf_evsel *evsel; |
efd5745e ACM |
1250 | int err = -1, i; |
1251 | unsigned long before; | |
f15eb531 | 1252 | const bool forks = argc > 0; |
514f1c67 ACM |
1253 | |
1254 | if (evlist == NULL) { | |
c24ff998 | 1255 | fprintf(trace->output, "Not enough memory to run!\n"); |
514f1c67 ACM |
1256 | goto out; |
1257 | } | |
1258 | ||
39876e7d ACM |
1259 | if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) || |
1260 | perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit)) { | |
c24ff998 | 1261 | fprintf(trace->output, "Couldn't read the raw_syscalls tracepoints information!\n"); |
514f1c67 ACM |
1262 | goto out_delete_evlist; |
1263 | } | |
1264 | ||
1302d88e ACM |
1265 | if (trace->sched && |
1266 | perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime", | |
1267 | trace__sched_stat_runtime)) { | |
c24ff998 | 1268 | fprintf(trace->output, "Couldn't read the sched_stat_runtime tracepoint information!\n"); |
1302d88e ACM |
1269 | goto out_delete_evlist; |
1270 | } | |
1271 | ||
514f1c67 ACM |
1272 | err = perf_evlist__create_maps(evlist, &trace->opts.target); |
1273 | if (err < 0) { | |
c24ff998 | 1274 | fprintf(trace->output, "Problems parsing the target to trace, check your options!\n"); |
514f1c67 ACM |
1275 | goto out_delete_evlist; |
1276 | } | |
1277 | ||
752fde44 ACM |
1278 | err = trace__symbols_init(trace, evlist); |
1279 | if (err < 0) { | |
c24ff998 | 1280 | fprintf(trace->output, "Problems initializing symbol libraries!\n"); |
3beb0861 | 1281 | goto out_delete_maps; |
752fde44 ACM |
1282 | } |
1283 | ||
f77a9518 | 1284 | perf_evlist__config(evlist, &trace->opts); |
514f1c67 | 1285 | |
f15eb531 NK |
1286 | signal(SIGCHLD, sig_handler); |
1287 | signal(SIGINT, sig_handler); | |
1288 | ||
1289 | if (forks) { | |
6ef73ec4 | 1290 | err = perf_evlist__prepare_workload(evlist, &trace->opts.target, |
55e162ea | 1291 | argv, false, false); |
f15eb531 | 1292 | if (err < 0) { |
c24ff998 | 1293 | fprintf(trace->output, "Couldn't run the workload!\n"); |
3beb0861 | 1294 | goto out_delete_maps; |
f15eb531 NK |
1295 | } |
1296 | } | |
1297 | ||
514f1c67 ACM |
1298 | err = perf_evlist__open(evlist); |
1299 | if (err < 0) { | |
c24ff998 | 1300 | fprintf(trace->output, "Couldn't create the events: %s\n", strerror(errno)); |
3beb0861 | 1301 | goto out_delete_maps; |
514f1c67 ACM |
1302 | } |
1303 | ||
1304 | err = perf_evlist__mmap(evlist, UINT_MAX, false); | |
1305 | if (err < 0) { | |
c24ff998 | 1306 | fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno)); |
3beb0861 | 1307 | goto out_close_evlist; |
514f1c67 ACM |
1308 | } |
1309 | ||
1310 | perf_evlist__enable(evlist); | |
f15eb531 NK |
1311 | |
1312 | if (forks) | |
1313 | perf_evlist__start_workload(evlist); | |
1314 | ||
752fde44 | 1315 | trace->multiple_threads = evlist->threads->map[0] == -1 || evlist->threads->nr > 1; |
514f1c67 | 1316 | again: |
efd5745e | 1317 | before = trace->nr_events; |
514f1c67 ACM |
1318 | |
1319 | for (i = 0; i < evlist->nr_mmaps; i++) { | |
1320 | union perf_event *event; | |
1321 | ||
1322 | while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { | |
1323 | const u32 type = event->header.type; | |
ba3d7dee | 1324 | tracepoint_handler handler; |
514f1c67 | 1325 | struct perf_sample sample; |
514f1c67 | 1326 | |
efd5745e | 1327 | ++trace->nr_events; |
514f1c67 | 1328 | |
514f1c67 ACM |
1329 | err = perf_evlist__parse_sample(evlist, event, &sample); |
1330 | if (err) { | |
c24ff998 | 1331 | fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err); |
514f1c67 ACM |
1332 | continue; |
1333 | } | |
1334 | ||
4bb09192 | 1335 | if (!trace->full_time && trace->base_time == 0) |
752fde44 ACM |
1336 | trace->base_time = sample.time; |
1337 | ||
1338 | if (type != PERF_RECORD_SAMPLE) { | |
c24ff998 | 1339 | trace__process_event(trace, &trace->host, event); |
752fde44 ACM |
1340 | continue; |
1341 | } | |
1342 | ||
514f1c67 ACM |
1343 | evsel = perf_evlist__id2evsel(evlist, sample.id); |
1344 | if (evsel == NULL) { | |
c24ff998 | 1345 | fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample.id); |
514f1c67 ACM |
1346 | continue; |
1347 | } | |
1348 | ||
fc551f8d | 1349 | if (sample.raw_data == NULL) { |
c24ff998 | 1350 | fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", |
fc551f8d ACM |
1351 | perf_evsel__name(evsel), sample.tid, |
1352 | sample.cpu, sample.raw_size); | |
1353 | continue; | |
1354 | } | |
1355 | ||
ba3d7dee ACM |
1356 | handler = evsel->handler.func; |
1357 | handler(trace, evsel, &sample); | |
20c5f10e ACM |
1358 | |
1359 | if (done) | |
1360 | goto out_unmap_evlist; | |
514f1c67 ACM |
1361 | } |
1362 | } | |
1363 | ||
efd5745e | 1364 | if (trace->nr_events == before) { |
f15eb531 | 1365 | if (done) |
3beb0861 | 1366 | goto out_unmap_evlist; |
f15eb531 | 1367 | |
514f1c67 | 1368 | poll(evlist->pollfd, evlist->nr_fds, -1); |
f15eb531 NK |
1369 | } |
1370 | ||
1371 | if (done) | |
1372 | perf_evlist__disable(evlist); | |
514f1c67 ACM |
1373 | |
1374 | goto again; | |
1375 | ||
3beb0861 NK |
1376 | out_unmap_evlist: |
1377 | perf_evlist__munmap(evlist); | |
1378 | out_close_evlist: | |
1379 | perf_evlist__close(evlist); | |
1380 | out_delete_maps: | |
1381 | perf_evlist__delete_maps(evlist); | |
514f1c67 ACM |
1382 | out_delete_evlist: |
1383 | perf_evlist__delete(evlist); | |
1384 | out: | |
1385 | return err; | |
1386 | } | |
1387 | ||
6810fc91 DA |
1388 | static int trace__replay(struct trace *trace) |
1389 | { | |
1390 | const struct perf_evsel_str_handler handlers[] = { | |
1391 | { "raw_syscalls:sys_enter", trace__sys_enter, }, | |
1392 | { "raw_syscalls:sys_exit", trace__sys_exit, }, | |
1393 | }; | |
1394 | ||
1395 | struct perf_session *session; | |
1396 | int err = -1; | |
1397 | ||
1398 | trace->tool.sample = trace__process_sample; | |
1399 | trace->tool.mmap = perf_event__process_mmap; | |
384c671e | 1400 | trace->tool.mmap2 = perf_event__process_mmap2; |
6810fc91 DA |
1401 | trace->tool.comm = perf_event__process_comm; |
1402 | trace->tool.exit = perf_event__process_exit; | |
1403 | trace->tool.fork = perf_event__process_fork; | |
1404 | trace->tool.attr = perf_event__process_attr; | |
1405 | trace->tool.tracing_data = perf_event__process_tracing_data; | |
1406 | trace->tool.build_id = perf_event__process_build_id; | |
1407 | ||
1408 | trace->tool.ordered_samples = true; | |
1409 | trace->tool.ordering_requires_timestamps = true; | |
1410 | ||
1411 | /* add tid to output */ | |
1412 | trace->multiple_threads = true; | |
1413 | ||
1414 | if (symbol__init() < 0) | |
1415 | return -1; | |
1416 | ||
1417 | session = perf_session__new(input_name, O_RDONLY, 0, false, | |
1418 | &trace->tool); | |
1419 | if (session == NULL) | |
1420 | return -ENOMEM; | |
1421 | ||
1422 | err = perf_session__set_tracepoints_handlers(session, handlers); | |
1423 | if (err) | |
1424 | goto out; | |
1425 | ||
1426 | if (!perf_session__has_tp(session, "raw_syscalls:sys_enter")) { | |
1427 | pr_err("Data file does not have raw_syscalls:sys_enter events\n"); | |
1428 | goto out; | |
1429 | } | |
1430 | ||
1431 | if (!perf_session__has_tp(session, "raw_syscalls:sys_exit")) { | |
1432 | pr_err("Data file does not have raw_syscalls:sys_exit events\n"); | |
1433 | goto out; | |
1434 | } | |
1435 | ||
bdc89661 DA |
1436 | err = parse_target_str(trace); |
1437 | if (err != 0) | |
1438 | goto out; | |
1439 | ||
6810fc91 DA |
1440 | setup_pager(); |
1441 | ||
1442 | err = perf_session__process_events(session, &trace->tool); | |
1443 | if (err) | |
1444 | pr_err("Failed to process events, error %d", err); | |
1445 | ||
1446 | out: | |
1447 | perf_session__delete(session); | |
1448 | ||
1449 | return err; | |
1450 | } | |
1451 | ||
1302d88e ACM |
1452 | static size_t trace__fprintf_threads_header(FILE *fp) |
1453 | { | |
1454 | size_t printed; | |
1455 | ||
1456 | printed = fprintf(fp, "\n _____________________________________________________________________\n"); | |
1457 | printed += fprintf(fp," __) Summary of events (__\n\n"); | |
1458 | printed += fprintf(fp," [ task - pid ] [ events ] [ ratio ] [ runtime ]\n"); | |
1459 | printed += fprintf(fp," _____________________________________________________________________\n\n"); | |
1460 | ||
1461 | return printed; | |
1462 | } | |
1463 | ||
1464 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp) | |
1465 | { | |
1466 | size_t printed = trace__fprintf_threads_header(fp); | |
1467 | struct rb_node *nd; | |
1468 | ||
1469 | for (nd = rb_first(&trace->host.threads); nd; nd = rb_next(nd)) { | |
1470 | struct thread *thread = rb_entry(nd, struct thread, rb_node); | |
1471 | struct thread_trace *ttrace = thread->priv; | |
1472 | const char *color; | |
1473 | double ratio; | |
1474 | ||
1475 | if (ttrace == NULL) | |
1476 | continue; | |
1477 | ||
1478 | ratio = (double)ttrace->nr_events / trace->nr_events * 100.0; | |
1479 | ||
1480 | color = PERF_COLOR_NORMAL; | |
1481 | if (ratio > 50.0) | |
1482 | color = PERF_COLOR_RED; | |
1483 | else if (ratio > 25.0) | |
1484 | color = PERF_COLOR_GREEN; | |
1485 | else if (ratio > 5.0) | |
1486 | color = PERF_COLOR_YELLOW; | |
1487 | ||
1488 | printed += color_fprintf(fp, color, "%20s", thread->comm); | |
38051234 | 1489 | printed += fprintf(fp, " - %-5d :%11lu [", thread->tid, ttrace->nr_events); |
1302d88e ACM |
1490 | printed += color_fprintf(fp, color, "%5.1f%%", ratio); |
1491 | printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms); | |
1492 | } | |
1493 | ||
1494 | return printed; | |
1495 | } | |
1496 | ||
ae9ed035 ACM |
1497 | static int trace__set_duration(const struct option *opt, const char *str, |
1498 | int unset __maybe_unused) | |
1499 | { | |
1500 | struct trace *trace = opt->value; | |
1501 | ||
1502 | trace->duration_filter = atof(str); | |
1503 | return 0; | |
1504 | } | |
1505 | ||
c24ff998 ACM |
1506 | static int trace__open_output(struct trace *trace, const char *filename) |
1507 | { | |
1508 | struct stat st; | |
1509 | ||
1510 | if (!stat(filename, &st) && st.st_size) { | |
1511 | char oldname[PATH_MAX]; | |
1512 | ||
1513 | scnprintf(oldname, sizeof(oldname), "%s.old", filename); | |
1514 | unlink(oldname); | |
1515 | rename(filename, oldname); | |
1516 | } | |
1517 | ||
1518 | trace->output = fopen(filename, "w"); | |
1519 | ||
1520 | return trace->output == NULL ? -errno : 0; | |
1521 | } | |
1522 | ||
514f1c67 ACM |
1523 | int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) |
1524 | { | |
1525 | const char * const trace_usage[] = { | |
f15eb531 NK |
1526 | "perf trace [<options>] [<command>]", |
1527 | "perf trace [<options>] -- <command> [<options>]", | |
514f1c67 ACM |
1528 | NULL |
1529 | }; | |
1530 | struct trace trace = { | |
1531 | .audit_machine = audit_detect_machine(), | |
1532 | .syscalls = { | |
1533 | . max = -1, | |
1534 | }, | |
1535 | .opts = { | |
1536 | .target = { | |
1537 | .uid = UINT_MAX, | |
1538 | .uses_mmap = true, | |
1539 | }, | |
1540 | .user_freq = UINT_MAX, | |
1541 | .user_interval = ULLONG_MAX, | |
1542 | .no_delay = true, | |
1543 | .mmap_pages = 1024, | |
1544 | }, | |
c24ff998 | 1545 | .output = stdout, |
50c95cbd | 1546 | .show_comm = true, |
514f1c67 | 1547 | }; |
c24ff998 | 1548 | const char *output_name = NULL; |
2ae3a312 | 1549 | const char *ev_qualifier_str = NULL; |
514f1c67 | 1550 | const struct option trace_options[] = { |
50c95cbd ACM |
1551 | OPT_BOOLEAN(0, "comm", &trace.show_comm, |
1552 | "show the thread COMM next to its id"), | |
2ae3a312 ACM |
1553 | OPT_STRING('e', "expr", &ev_qualifier_str, "expr", |
1554 | "list of events to trace"), | |
c24ff998 | 1555 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
6810fc91 | 1556 | OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"), |
514f1c67 ACM |
1557 | OPT_STRING('p', "pid", &trace.opts.target.pid, "pid", |
1558 | "trace events on existing process id"), | |
ac9be8ee | 1559 | OPT_STRING('t', "tid", &trace.opts.target.tid, "tid", |
514f1c67 | 1560 | "trace events on existing thread id"), |
ac9be8ee | 1561 | OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide, |
514f1c67 | 1562 | "system-wide collection from all CPUs"), |
ac9be8ee | 1563 | OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu", |
514f1c67 | 1564 | "list of cpus to monitor"), |
6810fc91 | 1565 | OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit, |
514f1c67 | 1566 | "child tasks do not inherit counters"), |
994a1f78 JO |
1567 | OPT_CALLBACK('m', "mmap-pages", &trace.opts.mmap_pages, "pages", |
1568 | "number of mmap data pages", | |
1569 | perf_evlist__parse_mmap_pages), | |
ac9be8ee | 1570 | OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user", |
514f1c67 | 1571 | "user to profile"), |
ae9ed035 ACM |
1572 | OPT_CALLBACK(0, "duration", &trace, "float", |
1573 | "show only events with duration > N.M ms", | |
1574 | trace__set_duration), | |
1302d88e | 1575 | OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"), |
7c304ee0 | 1576 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
4bb09192 DA |
1577 | OPT_BOOLEAN('T', "time", &trace.full_time, |
1578 | "Show full timestamp, not time relative to first start"), | |
514f1c67 ACM |
1579 | OPT_END() |
1580 | }; | |
1581 | int err; | |
32caf0d1 | 1582 | char bf[BUFSIZ]; |
514f1c67 ACM |
1583 | |
1584 | argc = parse_options(argc, argv, trace_options, trace_usage, 0); | |
514f1c67 | 1585 | |
c24ff998 ACM |
1586 | if (output_name != NULL) { |
1587 | err = trace__open_output(&trace, output_name); | |
1588 | if (err < 0) { | |
1589 | perror("failed to create output file"); | |
1590 | goto out; | |
1591 | } | |
1592 | } | |
1593 | ||
2ae3a312 | 1594 | if (ev_qualifier_str != NULL) { |
b059efdf ACM |
1595 | const char *s = ev_qualifier_str; |
1596 | ||
1597 | trace.not_ev_qualifier = *s == '!'; | |
1598 | if (trace.not_ev_qualifier) | |
1599 | ++s; | |
1600 | trace.ev_qualifier = strlist__new(true, s); | |
2ae3a312 | 1601 | if (trace.ev_qualifier == NULL) { |
c24ff998 ACM |
1602 | fputs("Not enough memory to parse event qualifier", |
1603 | trace.output); | |
1604 | err = -ENOMEM; | |
1605 | goto out_close; | |
2ae3a312 ACM |
1606 | } |
1607 | } | |
1608 | ||
32caf0d1 NK |
1609 | err = perf_target__validate(&trace.opts.target); |
1610 | if (err) { | |
1611 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); | |
c24ff998 ACM |
1612 | fprintf(trace.output, "%s", bf); |
1613 | goto out_close; | |
32caf0d1 NK |
1614 | } |
1615 | ||
514f1c67 ACM |
1616 | err = perf_target__parse_uid(&trace.opts.target); |
1617 | if (err) { | |
514f1c67 | 1618 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
c24ff998 ACM |
1619 | fprintf(trace.output, "%s", bf); |
1620 | goto out_close; | |
514f1c67 ACM |
1621 | } |
1622 | ||
f15eb531 | 1623 | if (!argc && perf_target__none(&trace.opts.target)) |
ee76120e NK |
1624 | trace.opts.target.system_wide = true; |
1625 | ||
6810fc91 DA |
1626 | if (input_name) |
1627 | err = trace__replay(&trace); | |
1628 | else | |
1629 | err = trace__run(&trace, argc, argv); | |
1302d88e ACM |
1630 | |
1631 | if (trace.sched && !err) | |
c24ff998 | 1632 | trace__fprintf_thread_summary(&trace, trace.output); |
1302d88e | 1633 | |
c24ff998 ACM |
1634 | out_close: |
1635 | if (output_name != NULL) | |
1636 | fclose(trace.output); | |
1637 | out: | |
1302d88e | 1638 | return err; |
514f1c67 | 1639 | } |