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" |
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 | ||
01533e97 ACM |
38 | struct syscall_arg { |
39 | unsigned long val; | |
75b757ca ACM |
40 | struct thread *thread; |
41 | struct trace *trace; | |
1f115cb7 | 42 | void *parm; |
01533e97 ACM |
43 | u8 idx; |
44 | u8 mask; | |
45 | }; | |
46 | ||
1f115cb7 | 47 | struct strarray { |
03e3adc9 | 48 | int offset; |
1f115cb7 ACM |
49 | int nr_entries; |
50 | const char **entries; | |
51 | }; | |
52 | ||
53 | #define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \ | |
54 | .nr_entries = ARRAY_SIZE(array), \ | |
55 | .entries = array, \ | |
56 | } | |
57 | ||
03e3adc9 ACM |
58 | #define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \ |
59 | .offset = off, \ | |
60 | .nr_entries = ARRAY_SIZE(array), \ | |
61 | .entries = array, \ | |
62 | } | |
63 | ||
975b7c2f ACM |
64 | static size_t __syscall_arg__scnprintf_strarray(char *bf, size_t size, |
65 | const char *intfmt, | |
66 | struct syscall_arg *arg) | |
1f115cb7 | 67 | { |
1f115cb7 | 68 | struct strarray *sa = arg->parm; |
03e3adc9 | 69 | int idx = arg->val - sa->offset; |
1f115cb7 ACM |
70 | |
71 | if (idx < 0 || idx >= sa->nr_entries) | |
975b7c2f | 72 | return scnprintf(bf, size, intfmt, arg->val); |
1f115cb7 ACM |
73 | |
74 | return scnprintf(bf, size, "%s", sa->entries[idx]); | |
75 | } | |
76 | ||
975b7c2f ACM |
77 | static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size, |
78 | struct syscall_arg *arg) | |
79 | { | |
80 | return __syscall_arg__scnprintf_strarray(bf, size, "%d", arg); | |
81 | } | |
82 | ||
1f115cb7 ACM |
83 | #define SCA_STRARRAY syscall_arg__scnprintf_strarray |
84 | ||
78645cf3 ACM |
85 | static size_t syscall_arg__scnprintf_strhexarray(char *bf, size_t size, |
86 | struct syscall_arg *arg) | |
87 | { | |
88 | return __syscall_arg__scnprintf_strarray(bf, size, "%#x", arg); | |
89 | } | |
90 | ||
91 | #define SCA_STRHEXARRAY syscall_arg__scnprintf_strhexarray | |
92 | ||
75b757ca ACM |
93 | static size_t syscall_arg__scnprintf_fd(char *bf, size_t size, |
94 | struct syscall_arg *arg); | |
95 | ||
96 | #define SCA_FD syscall_arg__scnprintf_fd | |
97 | ||
98 | static size_t syscall_arg__scnprintf_fd_at(char *bf, size_t size, | |
99 | struct syscall_arg *arg) | |
100 | { | |
101 | int fd = arg->val; | |
102 | ||
103 | if (fd == AT_FDCWD) | |
104 | return scnprintf(bf, size, "CWD"); | |
105 | ||
106 | return syscall_arg__scnprintf_fd(bf, size, arg); | |
107 | } | |
108 | ||
109 | #define SCA_FDAT syscall_arg__scnprintf_fd_at | |
110 | ||
111 | static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size, | |
112 | struct syscall_arg *arg); | |
113 | ||
114 | #define SCA_CLOSE_FD syscall_arg__scnprintf_close_fd | |
115 | ||
6e7eeb51 | 116 | static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, |
01533e97 | 117 | struct syscall_arg *arg) |
13d4ff3e | 118 | { |
01533e97 | 119 | return scnprintf(bf, size, "%#lx", arg->val); |
13d4ff3e ACM |
120 | } |
121 | ||
beccb2b5 ACM |
122 | #define SCA_HEX syscall_arg__scnprintf_hex |
123 | ||
6e7eeb51 | 124 | static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, |
01533e97 | 125 | struct syscall_arg *arg) |
ae685380 | 126 | { |
01533e97 | 127 | int printed = 0, prot = arg->val; |
ae685380 ACM |
128 | |
129 | if (prot == PROT_NONE) | |
130 | return scnprintf(bf, size, "NONE"); | |
131 | #define P_MMAP_PROT(n) \ | |
132 | if (prot & PROT_##n) { \ | |
133 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
134 | prot &= ~PROT_##n; \ | |
135 | } | |
136 | ||
137 | P_MMAP_PROT(EXEC); | |
138 | P_MMAP_PROT(READ); | |
139 | P_MMAP_PROT(WRITE); | |
140 | #ifdef PROT_SEM | |
141 | P_MMAP_PROT(SEM); | |
142 | #endif | |
143 | P_MMAP_PROT(GROWSDOWN); | |
144 | P_MMAP_PROT(GROWSUP); | |
145 | #undef P_MMAP_PROT | |
146 | ||
147 | if (prot) | |
148 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot); | |
149 | ||
150 | return printed; | |
151 | } | |
152 | ||
153 | #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot | |
154 | ||
6e7eeb51 | 155 | static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, |
01533e97 | 156 | struct syscall_arg *arg) |
941557e0 | 157 | { |
01533e97 | 158 | int printed = 0, flags = arg->val; |
941557e0 ACM |
159 | |
160 | #define P_MMAP_FLAG(n) \ | |
161 | if (flags & MAP_##n) { \ | |
162 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
163 | flags &= ~MAP_##n; \ | |
164 | } | |
165 | ||
166 | P_MMAP_FLAG(SHARED); | |
167 | P_MMAP_FLAG(PRIVATE); | |
41817815 | 168 | #ifdef MAP_32BIT |
941557e0 | 169 | P_MMAP_FLAG(32BIT); |
41817815 | 170 | #endif |
941557e0 ACM |
171 | P_MMAP_FLAG(ANONYMOUS); |
172 | P_MMAP_FLAG(DENYWRITE); | |
173 | P_MMAP_FLAG(EXECUTABLE); | |
174 | P_MMAP_FLAG(FILE); | |
175 | P_MMAP_FLAG(FIXED); | |
176 | P_MMAP_FLAG(GROWSDOWN); | |
f2935f3e | 177 | #ifdef MAP_HUGETLB |
941557e0 | 178 | P_MMAP_FLAG(HUGETLB); |
f2935f3e | 179 | #endif |
941557e0 ACM |
180 | P_MMAP_FLAG(LOCKED); |
181 | P_MMAP_FLAG(NONBLOCK); | |
182 | P_MMAP_FLAG(NORESERVE); | |
183 | P_MMAP_FLAG(POPULATE); | |
184 | P_MMAP_FLAG(STACK); | |
185 | #ifdef MAP_UNINITIALIZED | |
186 | P_MMAP_FLAG(UNINITIALIZED); | |
187 | #endif | |
188 | #undef P_MMAP_FLAG | |
189 | ||
190 | if (flags) | |
191 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
192 | ||
193 | return printed; | |
194 | } | |
195 | ||
196 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags | |
197 | ||
6e7eeb51 | 198 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, |
01533e97 | 199 | struct syscall_arg *arg) |
9e9716d1 | 200 | { |
01533e97 | 201 | int behavior = arg->val; |
9e9716d1 ACM |
202 | |
203 | switch (behavior) { | |
204 | #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) | |
205 | P_MADV_BHV(NORMAL); | |
206 | P_MADV_BHV(RANDOM); | |
207 | P_MADV_BHV(SEQUENTIAL); | |
208 | P_MADV_BHV(WILLNEED); | |
209 | P_MADV_BHV(DONTNEED); | |
210 | P_MADV_BHV(REMOVE); | |
211 | P_MADV_BHV(DONTFORK); | |
212 | P_MADV_BHV(DOFORK); | |
213 | P_MADV_BHV(HWPOISON); | |
214 | #ifdef MADV_SOFT_OFFLINE | |
215 | P_MADV_BHV(SOFT_OFFLINE); | |
216 | #endif | |
217 | P_MADV_BHV(MERGEABLE); | |
218 | P_MADV_BHV(UNMERGEABLE); | |
f2935f3e | 219 | #ifdef MADV_HUGEPAGE |
9e9716d1 | 220 | P_MADV_BHV(HUGEPAGE); |
f2935f3e DA |
221 | #endif |
222 | #ifdef MADV_NOHUGEPAGE | |
9e9716d1 | 223 | P_MADV_BHV(NOHUGEPAGE); |
f2935f3e | 224 | #endif |
9e9716d1 ACM |
225 | #ifdef MADV_DONTDUMP |
226 | P_MADV_BHV(DONTDUMP); | |
227 | #endif | |
228 | #ifdef MADV_DODUMP | |
229 | P_MADV_BHV(DODUMP); | |
230 | #endif | |
231 | #undef P_MADV_PHV | |
232 | default: break; | |
233 | } | |
234 | ||
235 | return scnprintf(bf, size, "%#x", behavior); | |
236 | } | |
237 | ||
238 | #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior | |
239 | ||
5cea6ff2 ACM |
240 | static size_t syscall_arg__scnprintf_flock(char *bf, size_t size, |
241 | struct syscall_arg *arg) | |
242 | { | |
243 | int printed = 0, op = arg->val; | |
244 | ||
245 | if (op == 0) | |
246 | return scnprintf(bf, size, "NONE"); | |
247 | #define P_CMD(cmd) \ | |
248 | if ((op & LOCK_##cmd) == LOCK_##cmd) { \ | |
249 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \ | |
250 | op &= ~LOCK_##cmd; \ | |
251 | } | |
252 | ||
253 | P_CMD(SH); | |
254 | P_CMD(EX); | |
255 | P_CMD(NB); | |
256 | P_CMD(UN); | |
257 | P_CMD(MAND); | |
258 | P_CMD(RW); | |
259 | P_CMD(READ); | |
260 | P_CMD(WRITE); | |
261 | #undef P_OP | |
262 | ||
263 | if (op) | |
264 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op); | |
265 | ||
266 | return printed; | |
267 | } | |
268 | ||
269 | #define SCA_FLOCK syscall_arg__scnprintf_flock | |
270 | ||
01533e97 | 271 | static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg) |
f9da0b0c ACM |
272 | { |
273 | enum syscall_futex_args { | |
274 | SCF_UADDR = (1 << 0), | |
275 | SCF_OP = (1 << 1), | |
276 | SCF_VAL = (1 << 2), | |
277 | SCF_TIMEOUT = (1 << 3), | |
278 | SCF_UADDR2 = (1 << 4), | |
279 | SCF_VAL3 = (1 << 5), | |
280 | }; | |
01533e97 | 281 | int op = arg->val; |
f9da0b0c ACM |
282 | int cmd = op & FUTEX_CMD_MASK; |
283 | size_t printed = 0; | |
284 | ||
285 | switch (cmd) { | |
286 | #define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, #n); | |
01533e97 ACM |
287 | P_FUTEX_OP(WAIT); arg->mask |= SCF_VAL3|SCF_UADDR2; break; |
288 | P_FUTEX_OP(WAKE); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
289 | P_FUTEX_OP(FD); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
290 | P_FUTEX_OP(REQUEUE); arg->mask |= SCF_VAL3|SCF_TIMEOUT; break; | |
291 | P_FUTEX_OP(CMP_REQUEUE); arg->mask |= SCF_TIMEOUT; break; | |
292 | P_FUTEX_OP(CMP_REQUEUE_PI); arg->mask |= SCF_TIMEOUT; break; | |
f9da0b0c | 293 | P_FUTEX_OP(WAKE_OP); break; |
01533e97 ACM |
294 | P_FUTEX_OP(LOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; |
295 | P_FUTEX_OP(UNLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
296 | P_FUTEX_OP(TRYLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2; break; | |
297 | P_FUTEX_OP(WAIT_BITSET); arg->mask |= SCF_UADDR2; break; | |
298 | P_FUTEX_OP(WAKE_BITSET); arg->mask |= SCF_UADDR2; break; | |
f9da0b0c ACM |
299 | P_FUTEX_OP(WAIT_REQUEUE_PI); break; |
300 | default: printed = scnprintf(bf, size, "%#x", cmd); break; | |
301 | } | |
302 | ||
303 | if (op & FUTEX_PRIVATE_FLAG) | |
304 | printed += scnprintf(bf + printed, size - printed, "|PRIV"); | |
305 | ||
306 | if (op & FUTEX_CLOCK_REALTIME) | |
307 | printed += scnprintf(bf + printed, size - printed, "|CLKRT"); | |
308 | ||
309 | return printed; | |
310 | } | |
311 | ||
efe6b882 ACM |
312 | #define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op |
313 | ||
03e3adc9 ACM |
314 | static const char *epoll_ctl_ops[] = { "ADD", "DEL", "MOD", }; |
315 | static DEFINE_STRARRAY_OFFSET(epoll_ctl_ops, 1); | |
eac032c5 | 316 | |
1f115cb7 ACM |
317 | static const char *itimers[] = { "REAL", "VIRTUAL", "PROF", }; |
318 | static DEFINE_STRARRAY(itimers); | |
319 | ||
efe6b882 ACM |
320 | static const char *whences[] = { "SET", "CUR", "END", |
321 | #ifdef SEEK_DATA | |
322 | "DATA", | |
323 | #endif | |
324 | #ifdef SEEK_HOLE | |
325 | "HOLE", | |
326 | #endif | |
327 | }; | |
328 | static DEFINE_STRARRAY(whences); | |
f9da0b0c | 329 | |
80f587d5 ACM |
330 | static const char *fcntl_cmds[] = { |
331 | "DUPFD", "GETFD", "SETFD", "GETFL", "SETFL", "GETLK", "SETLK", | |
332 | "SETLKW", "SETOWN", "GETOWN", "SETSIG", "GETSIG", "F_GETLK64", | |
333 | "F_SETLK64", "F_SETLKW64", "F_SETOWN_EX", "F_GETOWN_EX", | |
334 | "F_GETOWNER_UIDS", | |
335 | }; | |
336 | static DEFINE_STRARRAY(fcntl_cmds); | |
337 | ||
c045bf02 ACM |
338 | static const char *rlimit_resources[] = { |
339 | "CPU", "FSIZE", "DATA", "STACK", "CORE", "RSS", "NPROC", "NOFILE", | |
340 | "MEMLOCK", "AS", "LOCKS", "SIGPENDING", "MSGQUEUE", "NICE", "RTPRIO", | |
341 | "RTTIME", | |
342 | }; | |
343 | static DEFINE_STRARRAY(rlimit_resources); | |
344 | ||
eb5b1b14 ACM |
345 | static const char *sighow[] = { "BLOCK", "UNBLOCK", "SETMASK", }; |
346 | static DEFINE_STRARRAY(sighow); | |
347 | ||
4f8c1b74 DA |
348 | static const char *clockid[] = { |
349 | "REALTIME", "MONOTONIC", "PROCESS_CPUTIME_ID", "THREAD_CPUTIME_ID", | |
350 | "MONOTONIC_RAW", "REALTIME_COARSE", "MONOTONIC_COARSE", | |
351 | }; | |
352 | static DEFINE_STRARRAY(clockid); | |
353 | ||
e10bce81 ACM |
354 | static const char *socket_families[] = { |
355 | "UNSPEC", "LOCAL", "INET", "AX25", "IPX", "APPLETALK", "NETROM", | |
356 | "BRIDGE", "ATMPVC", "X25", "INET6", "ROSE", "DECnet", "NETBEUI", | |
357 | "SECURITY", "KEY", "NETLINK", "PACKET", "ASH", "ECONET", "ATMSVC", | |
358 | "RDS", "SNA", "IRDA", "PPPOX", "WANPIPE", "LLC", "IB", "CAN", "TIPC", | |
359 | "BLUETOOTH", "IUCV", "RXRPC", "ISDN", "PHONET", "IEEE802154", "CAIF", | |
360 | "ALG", "NFC", "VSOCK", | |
361 | }; | |
362 | static DEFINE_STRARRAY(socket_families); | |
363 | ||
a28b24b2 ACM |
364 | #ifndef SOCK_TYPE_MASK |
365 | #define SOCK_TYPE_MASK 0xf | |
366 | #endif | |
367 | ||
368 | static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size, | |
369 | struct syscall_arg *arg) | |
370 | { | |
371 | size_t printed; | |
372 | int type = arg->val, | |
373 | flags = type & ~SOCK_TYPE_MASK; | |
374 | ||
375 | type &= SOCK_TYPE_MASK; | |
376 | /* | |
377 | * Can't use a strarray, MIPS may override for ABI reasons. | |
378 | */ | |
379 | switch (type) { | |
380 | #define P_SK_TYPE(n) case SOCK_##n: printed = scnprintf(bf, size, #n); break; | |
381 | P_SK_TYPE(STREAM); | |
382 | P_SK_TYPE(DGRAM); | |
383 | P_SK_TYPE(RAW); | |
384 | P_SK_TYPE(RDM); | |
385 | P_SK_TYPE(SEQPACKET); | |
386 | P_SK_TYPE(DCCP); | |
387 | P_SK_TYPE(PACKET); | |
388 | #undef P_SK_TYPE | |
389 | default: | |
390 | printed = scnprintf(bf, size, "%#x", type); | |
391 | } | |
392 | ||
393 | #define P_SK_FLAG(n) \ | |
394 | if (flags & SOCK_##n) { \ | |
395 | printed += scnprintf(bf + printed, size - printed, "|%s", #n); \ | |
396 | flags &= ~SOCK_##n; \ | |
397 | } | |
398 | ||
399 | P_SK_FLAG(CLOEXEC); | |
400 | P_SK_FLAG(NONBLOCK); | |
401 | #undef P_SK_FLAG | |
402 | ||
403 | if (flags) | |
404 | printed += scnprintf(bf + printed, size - printed, "|%#x", flags); | |
405 | ||
406 | return printed; | |
407 | } | |
408 | ||
409 | #define SCA_SK_TYPE syscall_arg__scnprintf_socket_type | |
410 | ||
b2cc99fd ACM |
411 | #ifndef MSG_PROBE |
412 | #define MSG_PROBE 0x10 | |
413 | #endif | |
b6e8f8f4 DA |
414 | #ifndef MSG_WAITFORONE |
415 | #define MSG_WAITFORONE 0x10000 | |
416 | #endif | |
b2cc99fd ACM |
417 | #ifndef MSG_SENDPAGE_NOTLAST |
418 | #define MSG_SENDPAGE_NOTLAST 0x20000 | |
419 | #endif | |
420 | #ifndef MSG_FASTOPEN | |
421 | #define MSG_FASTOPEN 0x20000000 | |
422 | #endif | |
423 | ||
424 | static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size, | |
425 | struct syscall_arg *arg) | |
426 | { | |
427 | int printed = 0, flags = arg->val; | |
428 | ||
429 | if (flags == 0) | |
430 | return scnprintf(bf, size, "NONE"); | |
431 | #define P_MSG_FLAG(n) \ | |
432 | if (flags & MSG_##n) { \ | |
433 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
434 | flags &= ~MSG_##n; \ | |
435 | } | |
436 | ||
437 | P_MSG_FLAG(OOB); | |
438 | P_MSG_FLAG(PEEK); | |
439 | P_MSG_FLAG(DONTROUTE); | |
440 | P_MSG_FLAG(TRYHARD); | |
441 | P_MSG_FLAG(CTRUNC); | |
442 | P_MSG_FLAG(PROBE); | |
443 | P_MSG_FLAG(TRUNC); | |
444 | P_MSG_FLAG(DONTWAIT); | |
445 | P_MSG_FLAG(EOR); | |
446 | P_MSG_FLAG(WAITALL); | |
447 | P_MSG_FLAG(FIN); | |
448 | P_MSG_FLAG(SYN); | |
449 | P_MSG_FLAG(CONFIRM); | |
450 | P_MSG_FLAG(RST); | |
451 | P_MSG_FLAG(ERRQUEUE); | |
452 | P_MSG_FLAG(NOSIGNAL); | |
453 | P_MSG_FLAG(MORE); | |
454 | P_MSG_FLAG(WAITFORONE); | |
455 | P_MSG_FLAG(SENDPAGE_NOTLAST); | |
456 | P_MSG_FLAG(FASTOPEN); | |
457 | P_MSG_FLAG(CMSG_CLOEXEC); | |
458 | #undef P_MSG_FLAG | |
459 | ||
460 | if (flags) | |
461 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
462 | ||
463 | return printed; | |
464 | } | |
465 | ||
466 | #define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags | |
467 | ||
51108999 ACM |
468 | static size_t syscall_arg__scnprintf_access_mode(char *bf, size_t size, |
469 | struct syscall_arg *arg) | |
470 | { | |
471 | size_t printed = 0; | |
472 | int mode = arg->val; | |
473 | ||
474 | if (mode == F_OK) /* 0 */ | |
475 | return scnprintf(bf, size, "F"); | |
476 | #define P_MODE(n) \ | |
477 | if (mode & n##_OK) { \ | |
478 | printed += scnprintf(bf + printed, size - printed, "%s", #n); \ | |
479 | mode &= ~n##_OK; \ | |
480 | } | |
481 | ||
482 | P_MODE(R); | |
483 | P_MODE(W); | |
484 | P_MODE(X); | |
485 | #undef P_MODE | |
486 | ||
487 | if (mode) | |
488 | printed += scnprintf(bf + printed, size - printed, "|%#x", mode); | |
489 | ||
490 | return printed; | |
491 | } | |
492 | ||
493 | #define SCA_ACCMODE syscall_arg__scnprintf_access_mode | |
494 | ||
be65a89a | 495 | static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, |
01533e97 | 496 | struct syscall_arg *arg) |
be65a89a | 497 | { |
01533e97 | 498 | int printed = 0, flags = arg->val; |
be65a89a ACM |
499 | |
500 | if (!(flags & O_CREAT)) | |
01533e97 | 501 | arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */ |
be65a89a ACM |
502 | |
503 | if (flags == 0) | |
504 | return scnprintf(bf, size, "RDONLY"); | |
505 | #define P_FLAG(n) \ | |
506 | if (flags & O_##n) { \ | |
507 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
508 | flags &= ~O_##n; \ | |
509 | } | |
510 | ||
511 | P_FLAG(APPEND); | |
512 | P_FLAG(ASYNC); | |
513 | P_FLAG(CLOEXEC); | |
514 | P_FLAG(CREAT); | |
515 | P_FLAG(DIRECT); | |
516 | P_FLAG(DIRECTORY); | |
517 | P_FLAG(EXCL); | |
518 | P_FLAG(LARGEFILE); | |
519 | P_FLAG(NOATIME); | |
520 | P_FLAG(NOCTTY); | |
521 | #ifdef O_NONBLOCK | |
522 | P_FLAG(NONBLOCK); | |
523 | #elif O_NDELAY | |
524 | P_FLAG(NDELAY); | |
525 | #endif | |
526 | #ifdef O_PATH | |
527 | P_FLAG(PATH); | |
528 | #endif | |
529 | P_FLAG(RDWR); | |
530 | #ifdef O_DSYNC | |
531 | if ((flags & O_SYNC) == O_SYNC) | |
532 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC"); | |
533 | else { | |
534 | P_FLAG(DSYNC); | |
535 | } | |
536 | #else | |
537 | P_FLAG(SYNC); | |
538 | #endif | |
539 | P_FLAG(TRUNC); | |
540 | P_FLAG(WRONLY); | |
541 | #undef P_FLAG | |
542 | ||
543 | if (flags) | |
544 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
545 | ||
546 | return printed; | |
547 | } | |
548 | ||
549 | #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags | |
550 | ||
49af9e93 ACM |
551 | static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, |
552 | struct syscall_arg *arg) | |
553 | { | |
554 | int printed = 0, flags = arg->val; | |
555 | ||
556 | if (flags == 0) | |
557 | return scnprintf(bf, size, "NONE"); | |
558 | #define P_FLAG(n) \ | |
559 | if (flags & EFD_##n) { \ | |
560 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
561 | flags &= ~EFD_##n; \ | |
562 | } | |
563 | ||
564 | P_FLAG(SEMAPHORE); | |
565 | P_FLAG(CLOEXEC); | |
566 | P_FLAG(NONBLOCK); | |
567 | #undef P_FLAG | |
568 | ||
569 | if (flags) | |
570 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
571 | ||
572 | return printed; | |
573 | } | |
574 | ||
575 | #define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags | |
576 | ||
46cce19b ACM |
577 | static size_t syscall_arg__scnprintf_pipe_flags(char *bf, size_t size, |
578 | struct syscall_arg *arg) | |
579 | { | |
580 | int printed = 0, flags = arg->val; | |
581 | ||
582 | #define P_FLAG(n) \ | |
583 | if (flags & O_##n) { \ | |
584 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
585 | flags &= ~O_##n; \ | |
586 | } | |
587 | ||
588 | P_FLAG(CLOEXEC); | |
589 | P_FLAG(NONBLOCK); | |
590 | #undef P_FLAG | |
591 | ||
592 | if (flags) | |
593 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
594 | ||
595 | return printed; | |
596 | } | |
597 | ||
598 | #define SCA_PIPE_FLAGS syscall_arg__scnprintf_pipe_flags | |
599 | ||
8bad5b0a ACM |
600 | static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg) |
601 | { | |
602 | int sig = arg->val; | |
603 | ||
604 | switch (sig) { | |
605 | #define P_SIGNUM(n) case SIG##n: return scnprintf(bf, size, #n) | |
606 | P_SIGNUM(HUP); | |
607 | P_SIGNUM(INT); | |
608 | P_SIGNUM(QUIT); | |
609 | P_SIGNUM(ILL); | |
610 | P_SIGNUM(TRAP); | |
611 | P_SIGNUM(ABRT); | |
612 | P_SIGNUM(BUS); | |
613 | P_SIGNUM(FPE); | |
614 | P_SIGNUM(KILL); | |
615 | P_SIGNUM(USR1); | |
616 | P_SIGNUM(SEGV); | |
617 | P_SIGNUM(USR2); | |
618 | P_SIGNUM(PIPE); | |
619 | P_SIGNUM(ALRM); | |
620 | P_SIGNUM(TERM); | |
621 | P_SIGNUM(STKFLT); | |
622 | P_SIGNUM(CHLD); | |
623 | P_SIGNUM(CONT); | |
624 | P_SIGNUM(STOP); | |
625 | P_SIGNUM(TSTP); | |
626 | P_SIGNUM(TTIN); | |
627 | P_SIGNUM(TTOU); | |
628 | P_SIGNUM(URG); | |
629 | P_SIGNUM(XCPU); | |
630 | P_SIGNUM(XFSZ); | |
631 | P_SIGNUM(VTALRM); | |
632 | P_SIGNUM(PROF); | |
633 | P_SIGNUM(WINCH); | |
634 | P_SIGNUM(IO); | |
635 | P_SIGNUM(PWR); | |
636 | P_SIGNUM(SYS); | |
637 | default: break; | |
638 | } | |
639 | ||
640 | return scnprintf(bf, size, "%#x", sig); | |
641 | } | |
642 | ||
643 | #define SCA_SIGNUM syscall_arg__scnprintf_signum | |
644 | ||
78645cf3 ACM |
645 | #define TCGETS 0x5401 |
646 | ||
647 | static const char *tioctls[] = { | |
648 | "TCGETS", "TCSETS", "TCSETSW", "TCSETSF", "TCGETA", "TCSETA", "TCSETAW", | |
649 | "TCSETAF", "TCSBRK", "TCXONC", "TCFLSH", "TIOCEXCL", "TIOCNXCL", | |
650 | "TIOCSCTTY", "TIOCGPGRP", "TIOCSPGRP", "TIOCOUTQ", "TIOCSTI", | |
651 | "TIOCGWINSZ", "TIOCSWINSZ", "TIOCMGET", "TIOCMBIS", "TIOCMBIC", | |
652 | "TIOCMSET", "TIOCGSOFTCAR", "TIOCSSOFTCAR", "FIONREAD", "TIOCLINUX", | |
653 | "TIOCCONS", "TIOCGSERIAL", "TIOCSSERIAL", "TIOCPKT", "FIONBIO", | |
654 | "TIOCNOTTY", "TIOCSETD", "TIOCGETD", "TCSBRKP", [0x27] = "TIOCSBRK", | |
655 | "TIOCCBRK", "TIOCGSID", "TCGETS2", "TCSETS2", "TCSETSW2", "TCSETSF2", | |
656 | "TIOCGRS485", "TIOCSRS485", "TIOCGPTN", "TIOCSPTLCK", | |
657 | "TIOCGDEV||TCGETX", "TCSETX", "TCSETXF", "TCSETXW", "TIOCSIG", | |
658 | "TIOCVHANGUP", "TIOCGPKT", "TIOCGPTLCK", "TIOCGEXCL", | |
659 | [0x50] = "FIONCLEX", "FIOCLEX", "FIOASYNC", "TIOCSERCONFIG", | |
660 | "TIOCSERGWILD", "TIOCSERSWILD", "TIOCGLCKTRMIOS", "TIOCSLCKTRMIOS", | |
661 | "TIOCSERGSTRUCT", "TIOCSERGETLSR", "TIOCSERGETMULTI", "TIOCSERSETMULTI", | |
662 | "TIOCMIWAIT", "TIOCGICOUNT", [0x60] = "FIOQSIZE", | |
663 | }; | |
664 | ||
665 | static DEFINE_STRARRAY_OFFSET(tioctls, 0x5401); | |
666 | ||
453350dd ACM |
667 | #define STRARRAY(arg, name, array) \ |
668 | .arg_scnprintf = { [arg] = SCA_STRARRAY, }, \ | |
669 | .arg_parm = { [arg] = &strarray__##array, } | |
670 | ||
514f1c67 ACM |
671 | static struct syscall_fmt { |
672 | const char *name; | |
aec1930b | 673 | const char *alias; |
01533e97 | 674 | size_t (*arg_scnprintf[6])(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 675 | void *arg_parm[6]; |
514f1c67 ACM |
676 | bool errmsg; |
677 | bool timeout; | |
04b34729 | 678 | bool hexret; |
514f1c67 | 679 | } syscall_fmts[] = { |
51108999 ACM |
680 | { .name = "access", .errmsg = true, |
681 | .arg_scnprintf = { [1] = SCA_ACCMODE, /* mode */ }, }, | |
aec1930b | 682 | { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, |
beccb2b5 ACM |
683 | { .name = "brk", .hexret = true, |
684 | .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, | |
4f8c1b74 | 685 | { .name = "clock_gettime", .errmsg = true, STRARRAY(0, clk_id, clockid), }, |
75b757ca ACM |
686 | { .name = "close", .errmsg = true, |
687 | .arg_scnprintf = { [0] = SCA_CLOSE_FD, /* fd */ }, }, | |
a14bb860 | 688 | { .name = "connect", .errmsg = true, }, |
75b757ca ACM |
689 | { .name = "dup", .errmsg = true, |
690 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
691 | { .name = "dup2", .errmsg = true, | |
692 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
693 | { .name = "dup3", .errmsg = true, | |
694 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
453350dd | 695 | { .name = "epoll_ctl", .errmsg = true, STRARRAY(1, op, epoll_ctl_ops), }, |
49af9e93 ACM |
696 | { .name = "eventfd2", .errmsg = true, |
697 | .arg_scnprintf = { [1] = SCA_EFD_FLAGS, /* flags */ }, }, | |
75b757ca ACM |
698 | { .name = "faccessat", .errmsg = true, |
699 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
700 | { .name = "fadvise64", .errmsg = true, | |
701 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
702 | { .name = "fallocate", .errmsg = true, | |
703 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
704 | { .name = "fchdir", .errmsg = true, | |
705 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
706 | { .name = "fchmod", .errmsg = true, | |
707 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
708 | { .name = "fchmodat", .errmsg = true, | |
709 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, | |
710 | { .name = "fchown", .errmsg = true, | |
711 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
712 | { .name = "fchownat", .errmsg = true, | |
713 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, | |
714 | { .name = "fcntl", .errmsg = true, | |
715 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ | |
716 | [1] = SCA_STRARRAY, /* cmd */ }, | |
717 | .arg_parm = { [1] = &strarray__fcntl_cmds, /* cmd */ }, }, | |
718 | { .name = "fdatasync", .errmsg = true, | |
719 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
5cea6ff2 | 720 | { .name = "flock", .errmsg = true, |
75b757ca ACM |
721 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ |
722 | [1] = SCA_FLOCK, /* cmd */ }, }, | |
723 | { .name = "fsetxattr", .errmsg = true, | |
724 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
725 | { .name = "fstat", .errmsg = true, .alias = "newfstat", | |
726 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
727 | { .name = "fstatat", .errmsg = true, .alias = "newfstatat", | |
728 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
729 | { .name = "fstatfs", .errmsg = true, | |
730 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
731 | { .name = "fsync", .errmsg = true, | |
732 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
733 | { .name = "ftruncate", .errmsg = true, | |
734 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
f9da0b0c ACM |
735 | { .name = "futex", .errmsg = true, |
736 | .arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, }, | |
75b757ca ACM |
737 | { .name = "futimesat", .errmsg = true, |
738 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, | |
739 | { .name = "getdents", .errmsg = true, | |
740 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
741 | { .name = "getdents64", .errmsg = true, | |
742 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
453350dd ACM |
743 | { .name = "getitimer", .errmsg = true, STRARRAY(0, which, itimers), }, |
744 | { .name = "getrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, | |
beccb2b5 | 745 | { .name = "ioctl", .errmsg = true, |
75b757ca | 746 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ |
78645cf3 ACM |
747 | [1] = SCA_STRHEXARRAY, /* cmd */ |
748 | [2] = SCA_HEX, /* arg */ }, | |
749 | .arg_parm = { [1] = &strarray__tioctls, /* cmd */ }, }, | |
8bad5b0a ACM |
750 | { .name = "kill", .errmsg = true, |
751 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
75b757ca ACM |
752 | { .name = "linkat", .errmsg = true, |
753 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, | |
754 | { .name = "lseek", .errmsg = true, | |
755 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ | |
756 | [2] = SCA_STRARRAY, /* whence */ }, | |
757 | .arg_parm = { [2] = &strarray__whences, /* whence */ }, }, | |
e5959683 | 758 | { .name = "lstat", .errmsg = true, .alias = "newlstat", }, |
9e9716d1 ACM |
759 | { .name = "madvise", .errmsg = true, |
760 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ | |
761 | [2] = SCA_MADV_BHV, /* behavior */ }, }, | |
75b757ca ACM |
762 | { .name = "mkdirat", .errmsg = true, |
763 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, | |
764 | { .name = "mknodat", .errmsg = true, | |
765 | .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, | |
3d903aa7 ACM |
766 | { .name = "mlock", .errmsg = true, |
767 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
768 | { .name = "mlockall", .errmsg = true, | |
769 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
beccb2b5 | 770 | { .name = "mmap", .hexret = true, |
ae685380 | 771 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ |
941557e0 ACM |
772 | [2] = SCA_MMAP_PROT, /* prot */ |
773 | [3] = SCA_MMAP_FLAGS, /* flags */ }, }, | |
beccb2b5 | 774 | { .name = "mprotect", .errmsg = true, |
ae685380 ACM |
775 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ |
776 | [2] = SCA_MMAP_PROT, /* prot */ }, }, | |
777 | { .name = "mremap", .hexret = true, | |
778 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ | |
779 | [4] = SCA_HEX, /* new_addr */ }, }, | |
3d903aa7 ACM |
780 | { .name = "munlock", .errmsg = true, |
781 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
beccb2b5 ACM |
782 | { .name = "munmap", .errmsg = true, |
783 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
75b757ca ACM |
784 | { .name = "name_to_handle_at", .errmsg = true, |
785 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
786 | { .name = "newfstatat", .errmsg = true, | |
787 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
be65a89a ACM |
788 | { .name = "open", .errmsg = true, |
789 | .arg_scnprintf = { [1] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
31cd3855 | 790 | { .name = "open_by_handle_at", .errmsg = true, |
75b757ca ACM |
791 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ |
792 | [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
31cd3855 | 793 | { .name = "openat", .errmsg = true, |
75b757ca ACM |
794 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ |
795 | [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
46cce19b ACM |
796 | { .name = "pipe2", .errmsg = true, |
797 | .arg_scnprintf = { [1] = SCA_PIPE_FLAGS, /* flags */ }, }, | |
aec1930b ACM |
798 | { .name = "poll", .errmsg = true, .timeout = true, }, |
799 | { .name = "ppoll", .errmsg = true, .timeout = true, }, | |
75b757ca ACM |
800 | { .name = "pread", .errmsg = true, .alias = "pread64", |
801 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
802 | { .name = "preadv", .errmsg = true, .alias = "pread", | |
803 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
453350dd | 804 | { .name = "prlimit64", .errmsg = true, STRARRAY(1, resource, rlimit_resources), }, |
75b757ca ACM |
805 | { .name = "pwrite", .errmsg = true, .alias = "pwrite64", |
806 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
807 | { .name = "pwritev", .errmsg = true, | |
808 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
809 | { .name = "read", .errmsg = true, | |
810 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
811 | { .name = "readlinkat", .errmsg = true, | |
812 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
813 | { .name = "readv", .errmsg = true, | |
814 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
b2cc99fd ACM |
815 | { .name = "recvfrom", .errmsg = true, |
816 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
817 | { .name = "recvmmsg", .errmsg = true, | |
818 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
819 | { .name = "recvmsg", .errmsg = true, | |
820 | .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, | |
75b757ca ACM |
821 | { .name = "renameat", .errmsg = true, |
822 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
8bad5b0a ACM |
823 | { .name = "rt_sigaction", .errmsg = true, |
824 | .arg_scnprintf = { [0] = SCA_SIGNUM, /* sig */ }, }, | |
453350dd | 825 | { .name = "rt_sigprocmask", .errmsg = true, STRARRAY(0, how, sighow), }, |
8bad5b0a ACM |
826 | { .name = "rt_sigqueueinfo", .errmsg = true, |
827 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
828 | { .name = "rt_tgsigqueueinfo", .errmsg = true, | |
829 | .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, | |
aec1930b | 830 | { .name = "select", .errmsg = true, .timeout = true, }, |
b2cc99fd ACM |
831 | { .name = "sendmmsg", .errmsg = true, |
832 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
833 | { .name = "sendmsg", .errmsg = true, | |
834 | .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, | |
835 | { .name = "sendto", .errmsg = true, | |
836 | .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, | |
453350dd ACM |
837 | { .name = "setitimer", .errmsg = true, STRARRAY(0, which, itimers), }, |
838 | { .name = "setrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, | |
75b757ca ACM |
839 | { .name = "shutdown", .errmsg = true, |
840 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
e10bce81 | 841 | { .name = "socket", .errmsg = true, |
a28b24b2 ACM |
842 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ |
843 | [1] = SCA_SK_TYPE, /* type */ }, | |
07120aa5 ACM |
844 | .arg_parm = { [0] = &strarray__socket_families, /* family */ }, }, |
845 | { .name = "socketpair", .errmsg = true, | |
846 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ | |
847 | [1] = SCA_SK_TYPE, /* type */ }, | |
e10bce81 | 848 | .arg_parm = { [0] = &strarray__socket_families, /* family */ }, }, |
aec1930b | 849 | { .name = "stat", .errmsg = true, .alias = "newstat", }, |
75b757ca ACM |
850 | { .name = "symlinkat", .errmsg = true, |
851 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
8bad5b0a ACM |
852 | { .name = "tgkill", .errmsg = true, |
853 | .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, | |
854 | { .name = "tkill", .errmsg = true, | |
855 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
e5959683 | 856 | { .name = "uname", .errmsg = true, .alias = "newuname", }, |
75b757ca ACM |
857 | { .name = "unlinkat", .errmsg = true, |
858 | .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, | |
859 | { .name = "utimensat", .errmsg = true, | |
860 | .arg_scnprintf = { [0] = SCA_FDAT, /* dirfd */ }, }, | |
861 | { .name = "write", .errmsg = true, | |
862 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
863 | { .name = "writev", .errmsg = true, | |
864 | .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, | |
514f1c67 ACM |
865 | }; |
866 | ||
867 | static int syscall_fmt__cmp(const void *name, const void *fmtp) | |
868 | { | |
869 | const struct syscall_fmt *fmt = fmtp; | |
870 | return strcmp(name, fmt->name); | |
871 | } | |
872 | ||
873 | static struct syscall_fmt *syscall_fmt__find(const char *name) | |
874 | { | |
875 | const int nmemb = ARRAY_SIZE(syscall_fmts); | |
876 | return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp); | |
877 | } | |
878 | ||
879 | struct syscall { | |
880 | struct event_format *tp_format; | |
881 | const char *name; | |
2ae3a312 | 882 | bool filtered; |
514f1c67 | 883 | struct syscall_fmt *fmt; |
01533e97 | 884 | size_t (**arg_scnprintf)(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 885 | void **arg_parm; |
514f1c67 ACM |
886 | }; |
887 | ||
60c907ab ACM |
888 | static size_t fprintf_duration(unsigned long t, FILE *fp) |
889 | { | |
890 | double duration = (double)t / NSEC_PER_MSEC; | |
891 | size_t printed = fprintf(fp, "("); | |
892 | ||
893 | if (duration >= 1.0) | |
894 | printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration); | |
895 | else if (duration >= 0.01) | |
896 | printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration); | |
897 | else | |
898 | printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration); | |
c24ff998 | 899 | return printed + fprintf(fp, "): "); |
60c907ab ACM |
900 | } |
901 | ||
752fde44 ACM |
902 | struct thread_trace { |
903 | u64 entry_time; | |
904 | u64 exit_time; | |
905 | bool entry_pending; | |
efd5745e | 906 | unsigned long nr_events; |
752fde44 | 907 | char *entry_str; |
1302d88e | 908 | double runtime_ms; |
75b757ca ACM |
909 | struct { |
910 | int max; | |
911 | char **table; | |
912 | } paths; | |
bf2575c1 DA |
913 | |
914 | struct intlist *syscall_stats; | |
752fde44 ACM |
915 | }; |
916 | ||
917 | static struct thread_trace *thread_trace__new(void) | |
918 | { | |
75b757ca ACM |
919 | struct thread_trace *ttrace = zalloc(sizeof(struct thread_trace)); |
920 | ||
921 | if (ttrace) | |
922 | ttrace->paths.max = -1; | |
923 | ||
bf2575c1 DA |
924 | ttrace->syscall_stats = intlist__new(NULL); |
925 | ||
75b757ca | 926 | return ttrace; |
752fde44 ACM |
927 | } |
928 | ||
c24ff998 | 929 | static struct thread_trace *thread__trace(struct thread *thread, FILE *fp) |
752fde44 | 930 | { |
efd5745e ACM |
931 | struct thread_trace *ttrace; |
932 | ||
752fde44 ACM |
933 | if (thread == NULL) |
934 | goto fail; | |
935 | ||
936 | if (thread->priv == NULL) | |
937 | thread->priv = thread_trace__new(); | |
efd5745e | 938 | |
752fde44 ACM |
939 | if (thread->priv == NULL) |
940 | goto fail; | |
941 | ||
efd5745e ACM |
942 | ttrace = thread->priv; |
943 | ++ttrace->nr_events; | |
944 | ||
945 | return ttrace; | |
752fde44 | 946 | fail: |
c24ff998 | 947 | color_fprintf(fp, PERF_COLOR_RED, |
752fde44 ACM |
948 | "WARNING: not enough memory, dropping samples!\n"); |
949 | return NULL; | |
950 | } | |
951 | ||
514f1c67 | 952 | struct trace { |
c24ff998 | 953 | struct perf_tool tool; |
c522739d ACM |
954 | struct { |
955 | int machine; | |
956 | int open_id; | |
957 | } audit; | |
514f1c67 ACM |
958 | struct { |
959 | int max; | |
960 | struct syscall *table; | |
961 | } syscalls; | |
962 | struct perf_record_opts opts; | |
8fb598e5 | 963 | struct machine *host; |
752fde44 | 964 | u64 base_time; |
4bb09192 | 965 | bool full_time; |
c24ff998 | 966 | FILE *output; |
efd5745e | 967 | unsigned long nr_events; |
b059efdf ACM |
968 | struct strlist *ev_qualifier; |
969 | bool not_ev_qualifier; | |
75b757ca | 970 | bool live; |
c522739d | 971 | const char *last_vfs_getname; |
bdc89661 DA |
972 | struct intlist *tid_list; |
973 | struct intlist *pid_list; | |
1302d88e | 974 | bool sched; |
752fde44 | 975 | bool multiple_threads; |
bf2575c1 | 976 | bool summary; |
50c95cbd | 977 | bool show_comm; |
c522739d | 978 | bool show_tool_stats; |
ae9ed035 | 979 | double duration_filter; |
1302d88e | 980 | double runtime_ms; |
c522739d ACM |
981 | struct { |
982 | u64 vfs_getname, proc_getname; | |
983 | } stats; | |
514f1c67 ACM |
984 | }; |
985 | ||
97119f37 | 986 | static int trace__set_fd_pathname(struct thread *thread, int fd, const char *pathname) |
75b757ca ACM |
987 | { |
988 | struct thread_trace *ttrace = thread->priv; | |
75b757ca ACM |
989 | |
990 | if (fd > ttrace->paths.max) { | |
991 | char **npath = realloc(ttrace->paths.table, (fd + 1) * sizeof(char *)); | |
992 | ||
993 | if (npath == NULL) | |
994 | return -1; | |
995 | ||
996 | if (ttrace->paths.max != -1) { | |
997 | memset(npath + ttrace->paths.max + 1, 0, | |
998 | (fd - ttrace->paths.max) * sizeof(char *)); | |
999 | } else { | |
1000 | memset(npath, 0, (fd + 1) * sizeof(char *)); | |
1001 | } | |
1002 | ||
1003 | ttrace->paths.table = npath; | |
1004 | ttrace->paths.max = fd; | |
1005 | } | |
1006 | ||
1007 | ttrace->paths.table[fd] = strdup(pathname); | |
1008 | ||
1009 | return ttrace->paths.table[fd] != NULL ? 0 : -1; | |
1010 | } | |
1011 | ||
97119f37 ACM |
1012 | static int thread__read_fd_path(struct thread *thread, int fd) |
1013 | { | |
1014 | char linkname[PATH_MAX], pathname[PATH_MAX]; | |
1015 | struct stat st; | |
1016 | int ret; | |
1017 | ||
1018 | if (thread->pid_ == thread->tid) { | |
1019 | scnprintf(linkname, sizeof(linkname), | |
1020 | "/proc/%d/fd/%d", thread->pid_, fd); | |
1021 | } else { | |
1022 | scnprintf(linkname, sizeof(linkname), | |
1023 | "/proc/%d/task/%d/fd/%d", thread->pid_, thread->tid, fd); | |
1024 | } | |
1025 | ||
1026 | if (lstat(linkname, &st) < 0 || st.st_size + 1 > (off_t)sizeof(pathname)) | |
1027 | return -1; | |
1028 | ||
1029 | ret = readlink(linkname, pathname, sizeof(pathname)); | |
1030 | ||
1031 | if (ret < 0 || ret > st.st_size) | |
1032 | return -1; | |
1033 | ||
1034 | pathname[ret] = '\0'; | |
1035 | return trace__set_fd_pathname(thread, fd, pathname); | |
1036 | } | |
1037 | ||
c522739d ACM |
1038 | static const char *thread__fd_path(struct thread *thread, int fd, |
1039 | struct trace *trace) | |
75b757ca ACM |
1040 | { |
1041 | struct thread_trace *ttrace = thread->priv; | |
1042 | ||
1043 | if (ttrace == NULL) | |
1044 | return NULL; | |
1045 | ||
1046 | if (fd < 0) | |
1047 | return NULL; | |
1048 | ||
c522739d ACM |
1049 | if ((fd > ttrace->paths.max || ttrace->paths.table[fd] == NULL)) |
1050 | if (!trace->live) | |
1051 | return NULL; | |
1052 | ++trace->stats.proc_getname; | |
1053 | if (thread__read_fd_path(thread, fd)) { | |
1054 | return NULL; | |
1055 | } | |
75b757ca ACM |
1056 | |
1057 | return ttrace->paths.table[fd]; | |
1058 | } | |
1059 | ||
1060 | static size_t syscall_arg__scnprintf_fd(char *bf, size_t size, | |
1061 | struct syscall_arg *arg) | |
1062 | { | |
1063 | int fd = arg->val; | |
1064 | size_t printed = scnprintf(bf, size, "%d", fd); | |
c522739d | 1065 | const char *path = thread__fd_path(arg->thread, fd, arg->trace); |
75b757ca ACM |
1066 | |
1067 | if (path) | |
1068 | printed += scnprintf(bf + printed, size - printed, "<%s>", path); | |
1069 | ||
1070 | return printed; | |
1071 | } | |
1072 | ||
1073 | static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size, | |
1074 | struct syscall_arg *arg) | |
1075 | { | |
1076 | int fd = arg->val; | |
1077 | size_t printed = syscall_arg__scnprintf_fd(bf, size, arg); | |
1078 | struct thread_trace *ttrace = arg->thread->priv; | |
1079 | ||
1080 | if (ttrace && fd >= 0 && fd <= ttrace->paths.max) { | |
1081 | free(ttrace->paths.table[fd]); | |
1082 | ttrace->paths.table[fd] = NULL; | |
1083 | } | |
1084 | ||
1085 | return printed; | |
1086 | } | |
1087 | ||
ae9ed035 ACM |
1088 | static bool trace__filter_duration(struct trace *trace, double t) |
1089 | { | |
1090 | return t < (trace->duration_filter * NSEC_PER_MSEC); | |
1091 | } | |
1092 | ||
752fde44 ACM |
1093 | static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp) |
1094 | { | |
1095 | double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC; | |
1096 | ||
60c907ab | 1097 | return fprintf(fp, "%10.3f ", ts); |
752fde44 ACM |
1098 | } |
1099 | ||
f15eb531 | 1100 | static bool done = false; |
ba209f85 | 1101 | static bool interrupted = false; |
f15eb531 | 1102 | |
ba209f85 | 1103 | static void sig_handler(int sig) |
f15eb531 NK |
1104 | { |
1105 | done = true; | |
ba209f85 | 1106 | interrupted = sig == SIGINT; |
f15eb531 NK |
1107 | } |
1108 | ||
752fde44 | 1109 | static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, |
60c907ab | 1110 | u64 duration, u64 tstamp, FILE *fp) |
752fde44 ACM |
1111 | { |
1112 | size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); | |
60c907ab | 1113 | printed += fprintf_duration(duration, fp); |
752fde44 | 1114 | |
50c95cbd ACM |
1115 | if (trace->multiple_threads) { |
1116 | if (trace->show_comm) | |
1117 | printed += fprintf(fp, "%.14s/", thread->comm); | |
38051234 | 1118 | printed += fprintf(fp, "%d ", thread->tid); |
50c95cbd | 1119 | } |
752fde44 ACM |
1120 | |
1121 | return printed; | |
1122 | } | |
1123 | ||
c24ff998 ACM |
1124 | static int trace__process_event(struct trace *trace, struct machine *machine, |
1125 | union perf_event *event) | |
752fde44 ACM |
1126 | { |
1127 | int ret = 0; | |
1128 | ||
1129 | switch (event->header.type) { | |
1130 | case PERF_RECORD_LOST: | |
c24ff998 | 1131 | color_fprintf(trace->output, PERF_COLOR_RED, |
752fde44 ACM |
1132 | "LOST %" PRIu64 " events!\n", event->lost.lost); |
1133 | ret = machine__process_lost_event(machine, event); | |
1134 | default: | |
1135 | ret = machine__process_event(machine, event); | |
1136 | break; | |
1137 | } | |
1138 | ||
1139 | return ret; | |
1140 | } | |
1141 | ||
c24ff998 | 1142 | static int trace__tool_process(struct perf_tool *tool, |
752fde44 ACM |
1143 | union perf_event *event, |
1144 | struct perf_sample *sample __maybe_unused, | |
1145 | struct machine *machine) | |
1146 | { | |
c24ff998 ACM |
1147 | struct trace *trace = container_of(tool, struct trace, tool); |
1148 | return trace__process_event(trace, machine, event); | |
752fde44 ACM |
1149 | } |
1150 | ||
1151 | static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist) | |
1152 | { | |
1153 | int err = symbol__init(); | |
1154 | ||
1155 | if (err) | |
1156 | return err; | |
1157 | ||
8fb598e5 DA |
1158 | trace->host = machine__new_host(); |
1159 | if (trace->host == NULL) | |
1160 | return -ENOMEM; | |
752fde44 ACM |
1161 | |
1162 | if (perf_target__has_task(&trace->opts.target)) { | |
c24ff998 | 1163 | err = perf_event__synthesize_thread_map(&trace->tool, evlist->threads, |
752fde44 | 1164 | trace__tool_process, |
8fb598e5 | 1165 | trace->host); |
752fde44 | 1166 | } else { |
c24ff998 | 1167 | err = perf_event__synthesize_threads(&trace->tool, trace__tool_process, |
8fb598e5 | 1168 | trace->host); |
752fde44 ACM |
1169 | } |
1170 | ||
1171 | if (err) | |
1172 | symbol__exit(); | |
1173 | ||
1174 | return err; | |
1175 | } | |
1176 | ||
13d4ff3e ACM |
1177 | static int syscall__set_arg_fmts(struct syscall *sc) |
1178 | { | |
1179 | struct format_field *field; | |
1180 | int idx = 0; | |
1181 | ||
1182 | sc->arg_scnprintf = calloc(sc->tp_format->format.nr_fields - 1, sizeof(void *)); | |
1183 | if (sc->arg_scnprintf == NULL) | |
1184 | return -1; | |
1185 | ||
1f115cb7 ACM |
1186 | if (sc->fmt) |
1187 | sc->arg_parm = sc->fmt->arg_parm; | |
1188 | ||
13d4ff3e | 1189 | for (field = sc->tp_format->format.fields->next; field; field = field->next) { |
beccb2b5 ACM |
1190 | if (sc->fmt && sc->fmt->arg_scnprintf[idx]) |
1191 | sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx]; | |
1192 | else if (field->flags & FIELD_IS_POINTER) | |
13d4ff3e ACM |
1193 | sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex; |
1194 | ++idx; | |
1195 | } | |
1196 | ||
1197 | return 0; | |
1198 | } | |
1199 | ||
514f1c67 ACM |
1200 | static int trace__read_syscall_info(struct trace *trace, int id) |
1201 | { | |
1202 | char tp_name[128]; | |
1203 | struct syscall *sc; | |
c522739d | 1204 | const char *name = audit_syscall_to_name(id, trace->audit.machine); |
3a531260 ACM |
1205 | |
1206 | if (name == NULL) | |
1207 | return -1; | |
514f1c67 ACM |
1208 | |
1209 | if (id > trace->syscalls.max) { | |
1210 | struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc)); | |
1211 | ||
1212 | if (nsyscalls == NULL) | |
1213 | return -1; | |
1214 | ||
1215 | if (trace->syscalls.max != -1) { | |
1216 | memset(nsyscalls + trace->syscalls.max + 1, 0, | |
1217 | (id - trace->syscalls.max) * sizeof(*sc)); | |
1218 | } else { | |
1219 | memset(nsyscalls, 0, (id + 1) * sizeof(*sc)); | |
1220 | } | |
1221 | ||
1222 | trace->syscalls.table = nsyscalls; | |
1223 | trace->syscalls.max = id; | |
1224 | } | |
1225 | ||
1226 | sc = trace->syscalls.table + id; | |
3a531260 | 1227 | sc->name = name; |
2ae3a312 | 1228 | |
b059efdf ACM |
1229 | if (trace->ev_qualifier) { |
1230 | bool in = strlist__find(trace->ev_qualifier, name) != NULL; | |
1231 | ||
1232 | if (!(in ^ trace->not_ev_qualifier)) { | |
1233 | sc->filtered = true; | |
1234 | /* | |
1235 | * No need to do read tracepoint information since this will be | |
1236 | * filtered out. | |
1237 | */ | |
1238 | return 0; | |
1239 | } | |
2ae3a312 ACM |
1240 | } |
1241 | ||
3a531260 | 1242 | sc->fmt = syscall_fmt__find(sc->name); |
514f1c67 | 1243 | |
aec1930b | 1244 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); |
514f1c67 | 1245 | sc->tp_format = event_format__new("syscalls", tp_name); |
aec1930b ACM |
1246 | |
1247 | if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) { | |
1248 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias); | |
1249 | sc->tp_format = event_format__new("syscalls", tp_name); | |
1250 | } | |
514f1c67 | 1251 | |
13d4ff3e ACM |
1252 | if (sc->tp_format == NULL) |
1253 | return -1; | |
1254 | ||
1255 | return syscall__set_arg_fmts(sc); | |
514f1c67 ACM |
1256 | } |
1257 | ||
752fde44 | 1258 | static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, |
75b757ca ACM |
1259 | unsigned long *args, struct trace *trace, |
1260 | struct thread *thread) | |
514f1c67 | 1261 | { |
514f1c67 ACM |
1262 | size_t printed = 0; |
1263 | ||
1264 | if (sc->tp_format != NULL) { | |
1265 | struct format_field *field; | |
01533e97 ACM |
1266 | u8 bit = 1; |
1267 | struct syscall_arg arg = { | |
75b757ca ACM |
1268 | .idx = 0, |
1269 | .mask = 0, | |
1270 | .trace = trace, | |
1271 | .thread = thread, | |
01533e97 | 1272 | }; |
6e7eeb51 ACM |
1273 | |
1274 | for (field = sc->tp_format->format.fields->next; field; | |
01533e97 ACM |
1275 | field = field->next, ++arg.idx, bit <<= 1) { |
1276 | if (arg.mask & bit) | |
6e7eeb51 | 1277 | continue; |
4aa58232 ACM |
1278 | /* |
1279 | * Suppress this argument if its value is zero and | |
1280 | * and we don't have a string associated in an | |
1281 | * strarray for it. | |
1282 | */ | |
1283 | if (args[arg.idx] == 0 && | |
1284 | !(sc->arg_scnprintf && | |
1285 | sc->arg_scnprintf[arg.idx] == SCA_STRARRAY && | |
1286 | sc->arg_parm[arg.idx])) | |
22ae5cf1 ACM |
1287 | continue; |
1288 | ||
752fde44 | 1289 | printed += scnprintf(bf + printed, size - printed, |
13d4ff3e | 1290 | "%s%s: ", printed ? ", " : "", field->name); |
01533e97 ACM |
1291 | if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) { |
1292 | arg.val = args[arg.idx]; | |
1f115cb7 ACM |
1293 | if (sc->arg_parm) |
1294 | arg.parm = sc->arg_parm[arg.idx]; | |
01533e97 ACM |
1295 | printed += sc->arg_scnprintf[arg.idx](bf + printed, |
1296 | size - printed, &arg); | |
6e7eeb51 | 1297 | } else { |
13d4ff3e | 1298 | printed += scnprintf(bf + printed, size - printed, |
01533e97 | 1299 | "%ld", args[arg.idx]); |
6e7eeb51 | 1300 | } |
514f1c67 ACM |
1301 | } |
1302 | } else { | |
01533e97 ACM |
1303 | int i = 0; |
1304 | ||
514f1c67 | 1305 | while (i < 6) { |
752fde44 ACM |
1306 | printed += scnprintf(bf + printed, size - printed, |
1307 | "%sarg%d: %ld", | |
1308 | printed ? ", " : "", i, args[i]); | |
514f1c67 ACM |
1309 | ++i; |
1310 | } | |
1311 | } | |
1312 | ||
1313 | return printed; | |
1314 | } | |
1315 | ||
ba3d7dee ACM |
1316 | typedef int (*tracepoint_handler)(struct trace *trace, struct perf_evsel *evsel, |
1317 | struct perf_sample *sample); | |
1318 | ||
1319 | static struct syscall *trace__syscall_info(struct trace *trace, | |
bf2575c1 | 1320 | struct perf_evsel *evsel, int id) |
ba3d7dee | 1321 | { |
ba3d7dee ACM |
1322 | |
1323 | if (id < 0) { | |
adaa18bf ACM |
1324 | |
1325 | /* | |
1326 | * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried | |
1327 | * before that, leaving at a higher verbosity level till that is | |
1328 | * explained. Reproduced with plain ftrace with: | |
1329 | * | |
1330 | * echo 1 > /t/events/raw_syscalls/sys_exit/enable | |
1331 | * grep "NR -1 " /t/trace_pipe | |
1332 | * | |
1333 | * After generating some load on the machine. | |
1334 | */ | |
1335 | if (verbose > 1) { | |
1336 | static u64 n; | |
1337 | fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n", | |
1338 | id, perf_evsel__name(evsel), ++n); | |
1339 | } | |
ba3d7dee ACM |
1340 | return NULL; |
1341 | } | |
1342 | ||
1343 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) && | |
1344 | trace__read_syscall_info(trace, id)) | |
1345 | goto out_cant_read; | |
1346 | ||
1347 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL)) | |
1348 | goto out_cant_read; | |
1349 | ||
1350 | return &trace->syscalls.table[id]; | |
1351 | ||
1352 | out_cant_read: | |
7c304ee0 ACM |
1353 | if (verbose) { |
1354 | fprintf(trace->output, "Problems reading syscall %d", id); | |
1355 | if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) | |
1356 | fprintf(trace->output, "(%s)", trace->syscalls.table[id].name); | |
1357 | fputs(" information\n", trace->output); | |
1358 | } | |
ba3d7dee ACM |
1359 | return NULL; |
1360 | } | |
1361 | ||
bf2575c1 DA |
1362 | static void thread__update_stats(struct thread_trace *ttrace, |
1363 | int id, struct perf_sample *sample) | |
1364 | { | |
1365 | struct int_node *inode; | |
1366 | struct stats *stats; | |
1367 | u64 duration = 0; | |
1368 | ||
1369 | inode = intlist__findnew(ttrace->syscall_stats, id); | |
1370 | if (inode == NULL) | |
1371 | return; | |
1372 | ||
1373 | stats = inode->priv; | |
1374 | if (stats == NULL) { | |
1375 | stats = malloc(sizeof(struct stats)); | |
1376 | if (stats == NULL) | |
1377 | return; | |
1378 | init_stats(stats); | |
1379 | inode->priv = stats; | |
1380 | } | |
1381 | ||
1382 | if (ttrace->entry_time && sample->time > ttrace->entry_time) | |
1383 | duration = sample->time - ttrace->entry_time; | |
1384 | ||
1385 | update_stats(stats, duration); | |
1386 | } | |
1387 | ||
ba3d7dee ACM |
1388 | static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, |
1389 | struct perf_sample *sample) | |
1390 | { | |
752fde44 | 1391 | char *msg; |
ba3d7dee | 1392 | void *args; |
752fde44 | 1393 | size_t printed = 0; |
2ae3a312 | 1394 | struct thread *thread; |
bf2575c1 DA |
1395 | int id = perf_evsel__intval(evsel, sample, "id"); |
1396 | struct syscall *sc = trace__syscall_info(trace, evsel, id); | |
2ae3a312 ACM |
1397 | struct thread_trace *ttrace; |
1398 | ||
1399 | if (sc == NULL) | |
1400 | return -1; | |
ba3d7dee | 1401 | |
2ae3a312 ACM |
1402 | if (sc->filtered) |
1403 | return 0; | |
1404 | ||
8fb598e5 | 1405 | thread = machine__findnew_thread(trace->host, sample->pid, sample->tid); |
c24ff998 | 1406 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 1407 | if (ttrace == NULL) |
ba3d7dee ACM |
1408 | return -1; |
1409 | ||
1410 | args = perf_evsel__rawptr(evsel, sample, "args"); | |
1411 | if (args == NULL) { | |
c24ff998 | 1412 | fprintf(trace->output, "Problems reading syscall arguments\n"); |
ba3d7dee ACM |
1413 | return -1; |
1414 | } | |
1415 | ||
752fde44 ACM |
1416 | ttrace = thread->priv; |
1417 | ||
1418 | if (ttrace->entry_str == NULL) { | |
1419 | ttrace->entry_str = malloc(1024); | |
1420 | if (!ttrace->entry_str) | |
1421 | return -1; | |
1422 | } | |
1423 | ||
1424 | ttrace->entry_time = sample->time; | |
1425 | msg = ttrace->entry_str; | |
1426 | printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name); | |
1427 | ||
75b757ca ACM |
1428 | printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, |
1429 | args, trace, thread); | |
752fde44 ACM |
1430 | |
1431 | if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) { | |
ae9ed035 | 1432 | if (!trace->duration_filter) { |
c24ff998 ACM |
1433 | trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output); |
1434 | fprintf(trace->output, "%-70s\n", ttrace->entry_str); | |
ae9ed035 | 1435 | } |
752fde44 ACM |
1436 | } else |
1437 | ttrace->entry_pending = true; | |
ba3d7dee ACM |
1438 | |
1439 | return 0; | |
1440 | } | |
1441 | ||
1442 | static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, | |
1443 | struct perf_sample *sample) | |
1444 | { | |
1445 | int ret; | |
60c907ab | 1446 | u64 duration = 0; |
2ae3a312 | 1447 | struct thread *thread; |
bf2575c1 DA |
1448 | int id = perf_evsel__intval(evsel, sample, "id"); |
1449 | struct syscall *sc = trace__syscall_info(trace, evsel, id); | |
2ae3a312 ACM |
1450 | struct thread_trace *ttrace; |
1451 | ||
1452 | if (sc == NULL) | |
1453 | return -1; | |
ba3d7dee | 1454 | |
2ae3a312 ACM |
1455 | if (sc->filtered) |
1456 | return 0; | |
1457 | ||
8fb598e5 | 1458 | thread = machine__findnew_thread(trace->host, sample->pid, sample->tid); |
c24ff998 | 1459 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 1460 | if (ttrace == NULL) |
ba3d7dee ACM |
1461 | return -1; |
1462 | ||
bf2575c1 DA |
1463 | if (trace->summary) |
1464 | thread__update_stats(ttrace, id, sample); | |
1465 | ||
ba3d7dee ACM |
1466 | ret = perf_evsel__intval(evsel, sample, "ret"); |
1467 | ||
c522739d ACM |
1468 | if (id == trace->audit.open_id && ret >= 0 && trace->last_vfs_getname) { |
1469 | trace__set_fd_pathname(thread, ret, trace->last_vfs_getname); | |
1470 | trace->last_vfs_getname = NULL; | |
1471 | ++trace->stats.vfs_getname; | |
1472 | } | |
1473 | ||
752fde44 ACM |
1474 | ttrace = thread->priv; |
1475 | ||
1476 | ttrace->exit_time = sample->time; | |
1477 | ||
ae9ed035 | 1478 | if (ttrace->entry_time) { |
60c907ab | 1479 | duration = sample->time - ttrace->entry_time; |
ae9ed035 ACM |
1480 | if (trace__filter_duration(trace, duration)) |
1481 | goto out; | |
1482 | } else if (trace->duration_filter) | |
1483 | goto out; | |
60c907ab | 1484 | |
c24ff998 | 1485 | trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output); |
752fde44 ACM |
1486 | |
1487 | if (ttrace->entry_pending) { | |
c24ff998 | 1488 | fprintf(trace->output, "%-70s", ttrace->entry_str); |
752fde44 | 1489 | } else { |
c24ff998 ACM |
1490 | fprintf(trace->output, " ... ["); |
1491 | color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued"); | |
1492 | fprintf(trace->output, "]: %s()", sc->name); | |
752fde44 ACM |
1493 | } |
1494 | ||
da3c9a44 ACM |
1495 | if (sc->fmt == NULL) { |
1496 | signed_print: | |
1497 | fprintf(trace->output, ") = %d", ret); | |
1498 | } else if (ret < 0 && sc->fmt->errmsg) { | |
ba3d7dee ACM |
1499 | char bf[256]; |
1500 | const char *emsg = strerror_r(-ret, bf, sizeof(bf)), | |
1501 | *e = audit_errno_to_name(-ret); | |
1502 | ||
c24ff998 | 1503 | fprintf(trace->output, ") = -1 %s %s", e, emsg); |
da3c9a44 | 1504 | } else if (ret == 0 && sc->fmt->timeout) |
c24ff998 | 1505 | fprintf(trace->output, ") = 0 Timeout"); |
04b34729 ACM |
1506 | else if (sc->fmt->hexret) |
1507 | fprintf(trace->output, ") = %#x", ret); | |
ba3d7dee | 1508 | else |
da3c9a44 | 1509 | goto signed_print; |
ba3d7dee | 1510 | |
c24ff998 | 1511 | fputc('\n', trace->output); |
ae9ed035 | 1512 | out: |
752fde44 ACM |
1513 | ttrace->entry_pending = false; |
1514 | ||
ba3d7dee ACM |
1515 | return 0; |
1516 | } | |
1517 | ||
c522739d ACM |
1518 | static int trace__vfs_getname(struct trace *trace, struct perf_evsel *evsel, |
1519 | struct perf_sample *sample) | |
1520 | { | |
1521 | trace->last_vfs_getname = perf_evsel__rawptr(evsel, sample, "pathname"); | |
1522 | return 0; | |
1523 | } | |
1524 | ||
1302d88e ACM |
1525 | static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel, |
1526 | struct perf_sample *sample) | |
1527 | { | |
1528 | u64 runtime = perf_evsel__intval(evsel, sample, "runtime"); | |
1529 | double runtime_ms = (double)runtime / NSEC_PER_MSEC; | |
8fb598e5 | 1530 | struct thread *thread = machine__findnew_thread(trace->host, |
314add6b AH |
1531 | sample->pid, |
1532 | sample->tid); | |
c24ff998 | 1533 | struct thread_trace *ttrace = thread__trace(thread, trace->output); |
1302d88e ACM |
1534 | |
1535 | if (ttrace == NULL) | |
1536 | goto out_dump; | |
1537 | ||
1538 | ttrace->runtime_ms += runtime_ms; | |
1539 | trace->runtime_ms += runtime_ms; | |
1540 | return 0; | |
1541 | ||
1542 | out_dump: | |
c24ff998 | 1543 | fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n", |
1302d88e ACM |
1544 | evsel->name, |
1545 | perf_evsel__strval(evsel, sample, "comm"), | |
1546 | (pid_t)perf_evsel__intval(evsel, sample, "pid"), | |
1547 | runtime, | |
1548 | perf_evsel__intval(evsel, sample, "vruntime")); | |
1549 | return 0; | |
1550 | } | |
1551 | ||
bdc89661 DA |
1552 | static bool skip_sample(struct trace *trace, struct perf_sample *sample) |
1553 | { | |
1554 | if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) || | |
1555 | (trace->tid_list && intlist__find(trace->tid_list, sample->tid))) | |
1556 | return false; | |
1557 | ||
1558 | if (trace->pid_list || trace->tid_list) | |
1559 | return true; | |
1560 | ||
1561 | return false; | |
1562 | } | |
1563 | ||
6810fc91 DA |
1564 | static int trace__process_sample(struct perf_tool *tool, |
1565 | union perf_event *event __maybe_unused, | |
1566 | struct perf_sample *sample, | |
1567 | struct perf_evsel *evsel, | |
1568 | struct machine *machine __maybe_unused) | |
1569 | { | |
1570 | struct trace *trace = container_of(tool, struct trace, tool); | |
1571 | int err = 0; | |
1572 | ||
1573 | tracepoint_handler handler = evsel->handler.func; | |
1574 | ||
bdc89661 DA |
1575 | if (skip_sample(trace, sample)) |
1576 | return 0; | |
1577 | ||
4bb09192 | 1578 | if (!trace->full_time && trace->base_time == 0) |
6810fc91 DA |
1579 | trace->base_time = sample->time; |
1580 | ||
1581 | if (handler) | |
1582 | handler(trace, evsel, sample); | |
1583 | ||
1584 | return err; | |
1585 | } | |
1586 | ||
1587 | static bool | |
1588 | perf_session__has_tp(struct perf_session *session, const char *name) | |
1589 | { | |
1590 | struct perf_evsel *evsel; | |
1591 | ||
1592 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, name); | |
1593 | ||
1594 | return evsel != NULL; | |
1595 | } | |
1596 | ||
bdc89661 DA |
1597 | static int parse_target_str(struct trace *trace) |
1598 | { | |
1599 | if (trace->opts.target.pid) { | |
1600 | trace->pid_list = intlist__new(trace->opts.target.pid); | |
1601 | if (trace->pid_list == NULL) { | |
1602 | pr_err("Error parsing process id string\n"); | |
1603 | return -EINVAL; | |
1604 | } | |
1605 | } | |
1606 | ||
1607 | if (trace->opts.target.tid) { | |
1608 | trace->tid_list = intlist__new(trace->opts.target.tid); | |
1609 | if (trace->tid_list == NULL) { | |
1610 | pr_err("Error parsing thread id string\n"); | |
1611 | return -EINVAL; | |
1612 | } | |
1613 | } | |
1614 | ||
1615 | return 0; | |
1616 | } | |
1617 | ||
5e2485b1 DA |
1618 | static int trace__record(int argc, const char **argv) |
1619 | { | |
1620 | unsigned int rec_argc, i, j; | |
1621 | const char **rec_argv; | |
1622 | const char * const record_args[] = { | |
1623 | "record", | |
1624 | "-R", | |
1625 | "-m", "1024", | |
1626 | "-c", "1", | |
1627 | "-e", "raw_syscalls:sys_enter,raw_syscalls:sys_exit", | |
1628 | }; | |
1629 | ||
1630 | rec_argc = ARRAY_SIZE(record_args) + argc; | |
1631 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); | |
1632 | ||
1633 | if (rec_argv == NULL) | |
1634 | return -ENOMEM; | |
1635 | ||
1636 | for (i = 0; i < ARRAY_SIZE(record_args); i++) | |
1637 | rec_argv[i] = record_args[i]; | |
1638 | ||
1639 | for (j = 0; j < (unsigned int)argc; j++, i++) | |
1640 | rec_argv[i] = argv[j]; | |
1641 | ||
1642 | return cmd_record(i, rec_argv, NULL); | |
1643 | } | |
1644 | ||
bf2575c1 DA |
1645 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp); |
1646 | ||
c522739d ACM |
1647 | static void perf_evlist__add_vfs_getname(struct perf_evlist *evlist) |
1648 | { | |
1649 | struct perf_evsel *evsel = perf_evsel__newtp("probe", "vfs_getname", | |
1650 | evlist->nr_entries); | |
1651 | if (evsel == NULL) | |
1652 | return; | |
1653 | ||
1654 | if (perf_evsel__field(evsel, "pathname") == NULL) { | |
1655 | perf_evsel__delete(evsel); | |
1656 | return; | |
1657 | } | |
1658 | ||
1659 | evsel->handler.func = trace__vfs_getname; | |
1660 | perf_evlist__add(evlist, evsel); | |
1661 | } | |
1662 | ||
f15eb531 | 1663 | static int trace__run(struct trace *trace, int argc, const char **argv) |
514f1c67 | 1664 | { |
334fe7a3 | 1665 | struct perf_evlist *evlist = perf_evlist__new(); |
ba3d7dee | 1666 | struct perf_evsel *evsel; |
efd5745e ACM |
1667 | int err = -1, i; |
1668 | unsigned long before; | |
f15eb531 | 1669 | const bool forks = argc > 0; |
514f1c67 | 1670 | |
75b757ca ACM |
1671 | trace->live = true; |
1672 | ||
514f1c67 | 1673 | if (evlist == NULL) { |
c24ff998 | 1674 | fprintf(trace->output, "Not enough memory to run!\n"); |
514f1c67 ACM |
1675 | goto out; |
1676 | } | |
1677 | ||
39876e7d | 1678 | if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) || |
87f91868 RR |
1679 | perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit)) |
1680 | goto out_error_tp; | |
514f1c67 | 1681 | |
c522739d ACM |
1682 | perf_evlist__add_vfs_getname(evlist); |
1683 | ||
1302d88e | 1684 | if (trace->sched && |
87f91868 RR |
1685 | perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime", |
1686 | trace__sched_stat_runtime)) | |
1687 | goto out_error_tp; | |
1302d88e | 1688 | |
514f1c67 ACM |
1689 | err = perf_evlist__create_maps(evlist, &trace->opts.target); |
1690 | if (err < 0) { | |
c24ff998 | 1691 | fprintf(trace->output, "Problems parsing the target to trace, check your options!\n"); |
514f1c67 ACM |
1692 | goto out_delete_evlist; |
1693 | } | |
1694 | ||
752fde44 ACM |
1695 | err = trace__symbols_init(trace, evlist); |
1696 | if (err < 0) { | |
c24ff998 | 1697 | fprintf(trace->output, "Problems initializing symbol libraries!\n"); |
3beb0861 | 1698 | goto out_delete_maps; |
752fde44 ACM |
1699 | } |
1700 | ||
f77a9518 | 1701 | perf_evlist__config(evlist, &trace->opts); |
514f1c67 | 1702 | |
f15eb531 NK |
1703 | signal(SIGCHLD, sig_handler); |
1704 | signal(SIGINT, sig_handler); | |
1705 | ||
1706 | if (forks) { | |
6ef73ec4 | 1707 | err = perf_evlist__prepare_workload(evlist, &trace->opts.target, |
55e162ea | 1708 | argv, false, false); |
f15eb531 | 1709 | if (err < 0) { |
c24ff998 | 1710 | fprintf(trace->output, "Couldn't run the workload!\n"); |
3beb0861 | 1711 | goto out_delete_maps; |
f15eb531 NK |
1712 | } |
1713 | } | |
1714 | ||
514f1c67 ACM |
1715 | err = perf_evlist__open(evlist); |
1716 | if (err < 0) { | |
c24ff998 | 1717 | fprintf(trace->output, "Couldn't create the events: %s\n", strerror(errno)); |
3beb0861 | 1718 | goto out_delete_maps; |
514f1c67 ACM |
1719 | } |
1720 | ||
1721 | err = perf_evlist__mmap(evlist, UINT_MAX, false); | |
1722 | if (err < 0) { | |
c24ff998 | 1723 | fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno)); |
3beb0861 | 1724 | goto out_close_evlist; |
514f1c67 ACM |
1725 | } |
1726 | ||
1727 | perf_evlist__enable(evlist); | |
f15eb531 NK |
1728 | |
1729 | if (forks) | |
1730 | perf_evlist__start_workload(evlist); | |
1731 | ||
752fde44 | 1732 | trace->multiple_threads = evlist->threads->map[0] == -1 || evlist->threads->nr > 1; |
514f1c67 | 1733 | again: |
efd5745e | 1734 | before = trace->nr_events; |
514f1c67 ACM |
1735 | |
1736 | for (i = 0; i < evlist->nr_mmaps; i++) { | |
1737 | union perf_event *event; | |
1738 | ||
1739 | while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { | |
1740 | const u32 type = event->header.type; | |
ba3d7dee | 1741 | tracepoint_handler handler; |
514f1c67 | 1742 | struct perf_sample sample; |
514f1c67 | 1743 | |
efd5745e | 1744 | ++trace->nr_events; |
514f1c67 | 1745 | |
514f1c67 ACM |
1746 | err = perf_evlist__parse_sample(evlist, event, &sample); |
1747 | if (err) { | |
c24ff998 | 1748 | fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err); |
514f1c67 ACM |
1749 | continue; |
1750 | } | |
1751 | ||
4bb09192 | 1752 | if (!trace->full_time && trace->base_time == 0) |
752fde44 ACM |
1753 | trace->base_time = sample.time; |
1754 | ||
1755 | if (type != PERF_RECORD_SAMPLE) { | |
8fb598e5 | 1756 | trace__process_event(trace, trace->host, event); |
752fde44 ACM |
1757 | continue; |
1758 | } | |
1759 | ||
514f1c67 ACM |
1760 | evsel = perf_evlist__id2evsel(evlist, sample.id); |
1761 | if (evsel == NULL) { | |
c24ff998 | 1762 | fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample.id); |
514f1c67 ACM |
1763 | continue; |
1764 | } | |
1765 | ||
fc551f8d | 1766 | if (sample.raw_data == NULL) { |
c24ff998 | 1767 | fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", |
fc551f8d ACM |
1768 | perf_evsel__name(evsel), sample.tid, |
1769 | sample.cpu, sample.raw_size); | |
1770 | continue; | |
1771 | } | |
1772 | ||
ba3d7dee ACM |
1773 | handler = evsel->handler.func; |
1774 | handler(trace, evsel, &sample); | |
20c5f10e | 1775 | |
ba209f85 ACM |
1776 | if (interrupted) |
1777 | goto out_disable; | |
514f1c67 ACM |
1778 | } |
1779 | } | |
1780 | ||
efd5745e | 1781 | if (trace->nr_events == before) { |
ba209f85 | 1782 | int timeout = done ? 100 : -1; |
f15eb531 | 1783 | |
ba209f85 ACM |
1784 | if (poll(evlist->pollfd, evlist->nr_fds, timeout) > 0) |
1785 | goto again; | |
1786 | } else { | |
1787 | goto again; | |
f15eb531 NK |
1788 | } |
1789 | ||
ba209f85 ACM |
1790 | out_disable: |
1791 | perf_evlist__disable(evlist); | |
514f1c67 | 1792 | |
c522739d ACM |
1793 | if (!err) { |
1794 | if (trace->summary) | |
1795 | trace__fprintf_thread_summary(trace, trace->output); | |
1796 | ||
1797 | if (trace->show_tool_stats) { | |
1798 | fprintf(trace->output, "Stats:\n " | |
1799 | " vfs_getname : %" PRIu64 "\n" | |
1800 | " proc_getname: %" PRIu64 "\n", | |
1801 | trace->stats.vfs_getname, | |
1802 | trace->stats.proc_getname); | |
1803 | } | |
1804 | } | |
bf2575c1 | 1805 | |
3beb0861 NK |
1806 | perf_evlist__munmap(evlist); |
1807 | out_close_evlist: | |
1808 | perf_evlist__close(evlist); | |
1809 | out_delete_maps: | |
1810 | perf_evlist__delete_maps(evlist); | |
514f1c67 ACM |
1811 | out_delete_evlist: |
1812 | perf_evlist__delete(evlist); | |
1813 | out: | |
75b757ca | 1814 | trace->live = false; |
514f1c67 | 1815 | return err; |
87f91868 RR |
1816 | out_error_tp: |
1817 | switch(errno) { | |
1818 | case ENOENT: | |
1819 | fputs("Error:\tUnable to find debugfs\n" | |
1820 | "Hint:\tWas your kernel was compiled with debugfs support?\n" | |
1821 | "Hint:\tIs the debugfs filesystem mounted?\n" | |
1822 | "Hint:\tTry 'sudo mount -t debugfs nodev /sys/kernel/debug'\n", | |
1823 | trace->output); | |
1824 | break; | |
1825 | case EACCES: | |
1826 | fprintf(trace->output, | |
1827 | "Error:\tNo permissions to read %s/tracing/events/raw_syscalls\n" | |
1828 | "Hint:\tTry 'sudo mount -o remount,mode=755 %s'\n", | |
1829 | debugfs_mountpoint, debugfs_mountpoint); | |
1830 | break; | |
1831 | default: { | |
1832 | char bf[256]; | |
1833 | fprintf(trace->output, "Can't trace: %s\n", | |
1834 | strerror_r(errno, bf, sizeof(bf))); | |
1835 | } | |
1836 | break; | |
1837 | } | |
1838 | goto out_delete_evlist; | |
514f1c67 ACM |
1839 | } |
1840 | ||
6810fc91 DA |
1841 | static int trace__replay(struct trace *trace) |
1842 | { | |
1843 | const struct perf_evsel_str_handler handlers[] = { | |
1844 | { "raw_syscalls:sys_enter", trace__sys_enter, }, | |
1845 | { "raw_syscalls:sys_exit", trace__sys_exit, }, | |
c522739d | 1846 | { "probe:vfs_getname", trace__vfs_getname, }, |
6810fc91 DA |
1847 | }; |
1848 | ||
1849 | struct perf_session *session; | |
1850 | int err = -1; | |
1851 | ||
1852 | trace->tool.sample = trace__process_sample; | |
1853 | trace->tool.mmap = perf_event__process_mmap; | |
384c671e | 1854 | trace->tool.mmap2 = perf_event__process_mmap2; |
6810fc91 DA |
1855 | trace->tool.comm = perf_event__process_comm; |
1856 | trace->tool.exit = perf_event__process_exit; | |
1857 | trace->tool.fork = perf_event__process_fork; | |
1858 | trace->tool.attr = perf_event__process_attr; | |
1859 | trace->tool.tracing_data = perf_event__process_tracing_data; | |
1860 | trace->tool.build_id = perf_event__process_build_id; | |
1861 | ||
1862 | trace->tool.ordered_samples = true; | |
1863 | trace->tool.ordering_requires_timestamps = true; | |
1864 | ||
1865 | /* add tid to output */ | |
1866 | trace->multiple_threads = true; | |
1867 | ||
1868 | if (symbol__init() < 0) | |
1869 | return -1; | |
1870 | ||
1871 | session = perf_session__new(input_name, O_RDONLY, 0, false, | |
1872 | &trace->tool); | |
1873 | if (session == NULL) | |
1874 | return -ENOMEM; | |
1875 | ||
8fb598e5 DA |
1876 | trace->host = &session->machines.host; |
1877 | ||
6810fc91 DA |
1878 | err = perf_session__set_tracepoints_handlers(session, handlers); |
1879 | if (err) | |
1880 | goto out; | |
1881 | ||
1882 | if (!perf_session__has_tp(session, "raw_syscalls:sys_enter")) { | |
1883 | pr_err("Data file does not have raw_syscalls:sys_enter events\n"); | |
1884 | goto out; | |
1885 | } | |
1886 | ||
1887 | if (!perf_session__has_tp(session, "raw_syscalls:sys_exit")) { | |
1888 | pr_err("Data file does not have raw_syscalls:sys_exit events\n"); | |
1889 | goto out; | |
1890 | } | |
1891 | ||
bdc89661 DA |
1892 | err = parse_target_str(trace); |
1893 | if (err != 0) | |
1894 | goto out; | |
1895 | ||
6810fc91 DA |
1896 | setup_pager(); |
1897 | ||
1898 | err = perf_session__process_events(session, &trace->tool); | |
1899 | if (err) | |
1900 | pr_err("Failed to process events, error %d", err); | |
1901 | ||
bf2575c1 DA |
1902 | else if (trace->summary) |
1903 | trace__fprintf_thread_summary(trace, trace->output); | |
1904 | ||
6810fc91 DA |
1905 | out: |
1906 | perf_session__delete(session); | |
1907 | ||
1908 | return err; | |
1909 | } | |
1910 | ||
1302d88e ACM |
1911 | static size_t trace__fprintf_threads_header(FILE *fp) |
1912 | { | |
1913 | size_t printed; | |
1914 | ||
bf2575c1 DA |
1915 | printed = fprintf(fp, "\n _____________________________________________________________________________\n"); |
1916 | printed += fprintf(fp, " __) Summary of events (__\n\n"); | |
1917 | printed += fprintf(fp, " [ task - pid ] [ events ] [ ratio ] [ runtime ]\n"); | |
1918 | printed += fprintf(fp, " syscall count min max avg stddev\n"); | |
1919 | printed += fprintf(fp, " msec msec msec %%\n"); | |
1920 | printed += fprintf(fp, " _____________________________________________________________________________\n\n"); | |
1921 | ||
1922 | return printed; | |
1923 | } | |
1924 | ||
1925 | static size_t thread__dump_stats(struct thread_trace *ttrace, | |
1926 | struct trace *trace, FILE *fp) | |
1927 | { | |
1928 | struct stats *stats; | |
1929 | size_t printed = 0; | |
1930 | struct syscall *sc; | |
1931 | struct int_node *inode = intlist__first(ttrace->syscall_stats); | |
1932 | ||
1933 | if (inode == NULL) | |
1934 | return 0; | |
1935 | ||
1936 | printed += fprintf(fp, "\n"); | |
1937 | ||
1938 | /* each int_node is a syscall */ | |
1939 | while (inode) { | |
1940 | stats = inode->priv; | |
1941 | if (stats) { | |
1942 | double min = (double)(stats->min) / NSEC_PER_MSEC; | |
1943 | double max = (double)(stats->max) / NSEC_PER_MSEC; | |
1944 | double avg = avg_stats(stats); | |
1945 | double pct; | |
1946 | u64 n = (u64) stats->n; | |
1947 | ||
1948 | pct = avg ? 100.0 * stddev_stats(stats)/avg : 0.0; | |
1949 | avg /= NSEC_PER_MSEC; | |
1950 | ||
1951 | sc = &trace->syscalls.table[inode->i]; | |
1952 | printed += fprintf(fp, "%24s %14s : ", "", sc->name); | |
1953 | printed += fprintf(fp, "%5" PRIu64 " %8.3f %8.3f", | |
1954 | n, min, max); | |
1955 | printed += fprintf(fp, " %8.3f %6.2f\n", avg, pct); | |
1956 | } | |
1957 | ||
1958 | inode = intlist__next(inode); | |
1959 | } | |
1960 | ||
1961 | printed += fprintf(fp, "\n\n"); | |
1302d88e ACM |
1962 | |
1963 | return printed; | |
1964 | } | |
1965 | ||
896cbb56 DA |
1966 | /* struct used to pass data to per-thread function */ |
1967 | struct summary_data { | |
1968 | FILE *fp; | |
1969 | struct trace *trace; | |
1970 | size_t printed; | |
1971 | }; | |
1972 | ||
1973 | static int trace__fprintf_one_thread(struct thread *thread, void *priv) | |
1974 | { | |
1975 | struct summary_data *data = priv; | |
1976 | FILE *fp = data->fp; | |
1977 | size_t printed = data->printed; | |
1978 | struct trace *trace = data->trace; | |
1979 | struct thread_trace *ttrace = thread->priv; | |
1980 | const char *color; | |
1981 | double ratio; | |
1982 | ||
1983 | if (ttrace == NULL) | |
1984 | return 0; | |
1985 | ||
1986 | ratio = (double)ttrace->nr_events / trace->nr_events * 100.0; | |
1987 | ||
1988 | color = PERF_COLOR_NORMAL; | |
1989 | if (ratio > 50.0) | |
1990 | color = PERF_COLOR_RED; | |
1991 | else if (ratio > 25.0) | |
1992 | color = PERF_COLOR_GREEN; | |
1993 | else if (ratio > 5.0) | |
1994 | color = PERF_COLOR_YELLOW; | |
1995 | ||
1996 | printed += color_fprintf(fp, color, "%20s", thread->comm); | |
1997 | printed += fprintf(fp, " - %-5d :%11lu [", thread->tid, ttrace->nr_events); | |
1998 | printed += color_fprintf(fp, color, "%5.1f%%", ratio); | |
1999 | printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms); | |
bf2575c1 | 2000 | printed += thread__dump_stats(ttrace, trace, fp); |
896cbb56 DA |
2001 | |
2002 | data->printed += printed; | |
2003 | ||
2004 | return 0; | |
2005 | } | |
2006 | ||
1302d88e ACM |
2007 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp) |
2008 | { | |
896cbb56 DA |
2009 | struct summary_data data = { |
2010 | .fp = fp, | |
2011 | .trace = trace | |
2012 | }; | |
2013 | data.printed = trace__fprintf_threads_header(fp); | |
1302d88e | 2014 | |
896cbb56 DA |
2015 | machine__for_each_thread(trace->host, trace__fprintf_one_thread, &data); |
2016 | ||
2017 | return data.printed; | |
1302d88e ACM |
2018 | } |
2019 | ||
ae9ed035 ACM |
2020 | static int trace__set_duration(const struct option *opt, const char *str, |
2021 | int unset __maybe_unused) | |
2022 | { | |
2023 | struct trace *trace = opt->value; | |
2024 | ||
2025 | trace->duration_filter = atof(str); | |
2026 | return 0; | |
2027 | } | |
2028 | ||
c24ff998 ACM |
2029 | static int trace__open_output(struct trace *trace, const char *filename) |
2030 | { | |
2031 | struct stat st; | |
2032 | ||
2033 | if (!stat(filename, &st) && st.st_size) { | |
2034 | char oldname[PATH_MAX]; | |
2035 | ||
2036 | scnprintf(oldname, sizeof(oldname), "%s.old", filename); | |
2037 | unlink(oldname); | |
2038 | rename(filename, oldname); | |
2039 | } | |
2040 | ||
2041 | trace->output = fopen(filename, "w"); | |
2042 | ||
2043 | return trace->output == NULL ? -errno : 0; | |
2044 | } | |
2045 | ||
514f1c67 ACM |
2046 | int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) |
2047 | { | |
2048 | const char * const trace_usage[] = { | |
f15eb531 NK |
2049 | "perf trace [<options>] [<command>]", |
2050 | "perf trace [<options>] -- <command> [<options>]", | |
5e2485b1 DA |
2051 | "perf trace record [<options>] [<command>]", |
2052 | "perf trace record [<options>] -- <command> [<options>]", | |
514f1c67 ACM |
2053 | NULL |
2054 | }; | |
2055 | struct trace trace = { | |
c522739d ACM |
2056 | .audit = { |
2057 | .machine = audit_detect_machine(), | |
2058 | .open_id = audit_name_to_syscall("open", trace.audit.machine), | |
2059 | }, | |
514f1c67 ACM |
2060 | .syscalls = { |
2061 | . max = -1, | |
2062 | }, | |
2063 | .opts = { | |
2064 | .target = { | |
2065 | .uid = UINT_MAX, | |
2066 | .uses_mmap = true, | |
2067 | }, | |
2068 | .user_freq = UINT_MAX, | |
2069 | .user_interval = ULLONG_MAX, | |
2070 | .no_delay = true, | |
2071 | .mmap_pages = 1024, | |
2072 | }, | |
c24ff998 | 2073 | .output = stdout, |
50c95cbd | 2074 | .show_comm = true, |
514f1c67 | 2075 | }; |
c24ff998 | 2076 | const char *output_name = NULL; |
2ae3a312 | 2077 | const char *ev_qualifier_str = NULL; |
514f1c67 | 2078 | const struct option trace_options[] = { |
50c95cbd ACM |
2079 | OPT_BOOLEAN(0, "comm", &trace.show_comm, |
2080 | "show the thread COMM next to its id"), | |
c522739d | 2081 | OPT_BOOLEAN(0, "tool_stats", &trace.show_tool_stats, "show tool stats"), |
2ae3a312 ACM |
2082 | OPT_STRING('e', "expr", &ev_qualifier_str, "expr", |
2083 | "list of events to trace"), | |
c24ff998 | 2084 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
6810fc91 | 2085 | OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"), |
514f1c67 ACM |
2086 | OPT_STRING('p', "pid", &trace.opts.target.pid, "pid", |
2087 | "trace events on existing process id"), | |
ac9be8ee | 2088 | OPT_STRING('t', "tid", &trace.opts.target.tid, "tid", |
514f1c67 | 2089 | "trace events on existing thread id"), |
ac9be8ee | 2090 | OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide, |
514f1c67 | 2091 | "system-wide collection from all CPUs"), |
ac9be8ee | 2092 | OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu", |
514f1c67 | 2093 | "list of cpus to monitor"), |
6810fc91 | 2094 | OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit, |
514f1c67 | 2095 | "child tasks do not inherit counters"), |
994a1f78 JO |
2096 | OPT_CALLBACK('m', "mmap-pages", &trace.opts.mmap_pages, "pages", |
2097 | "number of mmap data pages", | |
2098 | perf_evlist__parse_mmap_pages), | |
ac9be8ee | 2099 | OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user", |
514f1c67 | 2100 | "user to profile"), |
ae9ed035 ACM |
2101 | OPT_CALLBACK(0, "duration", &trace, "float", |
2102 | "show only events with duration > N.M ms", | |
2103 | trace__set_duration), | |
1302d88e | 2104 | OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"), |
7c304ee0 | 2105 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
4bb09192 DA |
2106 | OPT_BOOLEAN('T', "time", &trace.full_time, |
2107 | "Show full timestamp, not time relative to first start"), | |
bf2575c1 DA |
2108 | OPT_BOOLEAN(0, "summary", &trace.summary, |
2109 | "Show syscall summary with statistics"), | |
514f1c67 ACM |
2110 | OPT_END() |
2111 | }; | |
2112 | int err; | |
32caf0d1 | 2113 | char bf[BUFSIZ]; |
514f1c67 | 2114 | |
5e2485b1 DA |
2115 | if ((argc > 1) && (strcmp(argv[1], "record") == 0)) |
2116 | return trace__record(argc-2, &argv[2]); | |
2117 | ||
514f1c67 | 2118 | argc = parse_options(argc, argv, trace_options, trace_usage, 0); |
514f1c67 | 2119 | |
c24ff998 ACM |
2120 | if (output_name != NULL) { |
2121 | err = trace__open_output(&trace, output_name); | |
2122 | if (err < 0) { | |
2123 | perror("failed to create output file"); | |
2124 | goto out; | |
2125 | } | |
2126 | } | |
2127 | ||
2ae3a312 | 2128 | if (ev_qualifier_str != NULL) { |
b059efdf ACM |
2129 | const char *s = ev_qualifier_str; |
2130 | ||
2131 | trace.not_ev_qualifier = *s == '!'; | |
2132 | if (trace.not_ev_qualifier) | |
2133 | ++s; | |
2134 | trace.ev_qualifier = strlist__new(true, s); | |
2ae3a312 | 2135 | if (trace.ev_qualifier == NULL) { |
c24ff998 ACM |
2136 | fputs("Not enough memory to parse event qualifier", |
2137 | trace.output); | |
2138 | err = -ENOMEM; | |
2139 | goto out_close; | |
2ae3a312 ACM |
2140 | } |
2141 | } | |
2142 | ||
32caf0d1 NK |
2143 | err = perf_target__validate(&trace.opts.target); |
2144 | if (err) { | |
2145 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); | |
c24ff998 ACM |
2146 | fprintf(trace.output, "%s", bf); |
2147 | goto out_close; | |
32caf0d1 NK |
2148 | } |
2149 | ||
514f1c67 ACM |
2150 | err = perf_target__parse_uid(&trace.opts.target); |
2151 | if (err) { | |
514f1c67 | 2152 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
c24ff998 ACM |
2153 | fprintf(trace.output, "%s", bf); |
2154 | goto out_close; | |
514f1c67 ACM |
2155 | } |
2156 | ||
f15eb531 | 2157 | if (!argc && perf_target__none(&trace.opts.target)) |
ee76120e NK |
2158 | trace.opts.target.system_wide = true; |
2159 | ||
6810fc91 DA |
2160 | if (input_name) |
2161 | err = trace__replay(&trace); | |
2162 | else | |
2163 | err = trace__run(&trace, argc, argv); | |
1302d88e | 2164 | |
c24ff998 ACM |
2165 | out_close: |
2166 | if (output_name != NULL) | |
2167 | fclose(trace.output); | |
2168 | out: | |
1302d88e | 2169 | return err; |
514f1c67 | 2170 | } |