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> | |
ae685380 | 16 | #include <sys/mman.h> |
f9da0b0c | 17 | #include <linux/futex.h> |
514f1c67 | 18 | |
456857bd IM |
19 | /* For older distros: */ |
20 | #ifndef MAP_STACK | |
21 | # define MAP_STACK 0x20000 | |
22 | #endif | |
23 | ||
24 | #ifndef MADV_HWPOISON | |
25 | # define MADV_HWPOISON 100 | |
26 | #endif | |
27 | ||
28 | #ifndef MADV_MERGEABLE | |
29 | # define MADV_MERGEABLE 12 | |
30 | #endif | |
31 | ||
32 | #ifndef MADV_UNMERGEABLE | |
33 | # define MADV_UNMERGEABLE 13 | |
34 | #endif | |
35 | ||
01533e97 ACM |
36 | struct syscall_arg { |
37 | unsigned long val; | |
1f115cb7 | 38 | void *parm; |
01533e97 ACM |
39 | u8 idx; |
40 | u8 mask; | |
41 | }; | |
42 | ||
1f115cb7 ACM |
43 | struct strarray { |
44 | int nr_entries; | |
45 | const char **entries; | |
46 | }; | |
47 | ||
48 | #define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \ | |
49 | .nr_entries = ARRAY_SIZE(array), \ | |
50 | .entries = array, \ | |
51 | } | |
52 | ||
53 | static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size, | |
54 | struct syscall_arg *arg) | |
55 | { | |
56 | int idx = arg->val; | |
57 | struct strarray *sa = arg->parm; | |
58 | ||
59 | if (idx < 0 || idx >= sa->nr_entries) | |
60 | return scnprintf(bf, size, "%d", idx); | |
61 | ||
62 | return scnprintf(bf, size, "%s", sa->entries[idx]); | |
63 | } | |
64 | ||
65 | #define SCA_STRARRAY syscall_arg__scnprintf_strarray | |
66 | ||
6e7eeb51 | 67 | static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, |
01533e97 | 68 | struct syscall_arg *arg) |
13d4ff3e | 69 | { |
01533e97 | 70 | return scnprintf(bf, size, "%#lx", arg->val); |
13d4ff3e ACM |
71 | } |
72 | ||
beccb2b5 ACM |
73 | #define SCA_HEX syscall_arg__scnprintf_hex |
74 | ||
6e7eeb51 | 75 | static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, |
01533e97 | 76 | struct syscall_arg *arg) |
ae685380 | 77 | { |
01533e97 | 78 | int printed = 0, prot = arg->val; |
ae685380 ACM |
79 | |
80 | if (prot == PROT_NONE) | |
81 | return scnprintf(bf, size, "NONE"); | |
82 | #define P_MMAP_PROT(n) \ | |
83 | if (prot & PROT_##n) { \ | |
84 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
85 | prot &= ~PROT_##n; \ | |
86 | } | |
87 | ||
88 | P_MMAP_PROT(EXEC); | |
89 | P_MMAP_PROT(READ); | |
90 | P_MMAP_PROT(WRITE); | |
91 | #ifdef PROT_SEM | |
92 | P_MMAP_PROT(SEM); | |
93 | #endif | |
94 | P_MMAP_PROT(GROWSDOWN); | |
95 | P_MMAP_PROT(GROWSUP); | |
96 | #undef P_MMAP_PROT | |
97 | ||
98 | if (prot) | |
99 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot); | |
100 | ||
101 | return printed; | |
102 | } | |
103 | ||
104 | #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot | |
105 | ||
6e7eeb51 | 106 | static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, |
01533e97 | 107 | struct syscall_arg *arg) |
941557e0 | 108 | { |
01533e97 | 109 | int printed = 0, flags = arg->val; |
941557e0 ACM |
110 | |
111 | #define P_MMAP_FLAG(n) \ | |
112 | if (flags & MAP_##n) { \ | |
113 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
114 | flags &= ~MAP_##n; \ | |
115 | } | |
116 | ||
117 | P_MMAP_FLAG(SHARED); | |
118 | P_MMAP_FLAG(PRIVATE); | |
41817815 | 119 | #ifdef MAP_32BIT |
941557e0 | 120 | P_MMAP_FLAG(32BIT); |
41817815 | 121 | #endif |
941557e0 ACM |
122 | P_MMAP_FLAG(ANONYMOUS); |
123 | P_MMAP_FLAG(DENYWRITE); | |
124 | P_MMAP_FLAG(EXECUTABLE); | |
125 | P_MMAP_FLAG(FILE); | |
126 | P_MMAP_FLAG(FIXED); | |
127 | P_MMAP_FLAG(GROWSDOWN); | |
f2935f3e | 128 | #ifdef MAP_HUGETLB |
941557e0 | 129 | P_MMAP_FLAG(HUGETLB); |
f2935f3e | 130 | #endif |
941557e0 ACM |
131 | P_MMAP_FLAG(LOCKED); |
132 | P_MMAP_FLAG(NONBLOCK); | |
133 | P_MMAP_FLAG(NORESERVE); | |
134 | P_MMAP_FLAG(POPULATE); | |
135 | P_MMAP_FLAG(STACK); | |
136 | #ifdef MAP_UNINITIALIZED | |
137 | P_MMAP_FLAG(UNINITIALIZED); | |
138 | #endif | |
139 | #undef P_MMAP_FLAG | |
140 | ||
141 | if (flags) | |
142 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
143 | ||
144 | return printed; | |
145 | } | |
146 | ||
147 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags | |
148 | ||
6e7eeb51 | 149 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, |
01533e97 | 150 | struct syscall_arg *arg) |
9e9716d1 | 151 | { |
01533e97 | 152 | int behavior = arg->val; |
9e9716d1 ACM |
153 | |
154 | switch (behavior) { | |
155 | #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) | |
156 | P_MADV_BHV(NORMAL); | |
157 | P_MADV_BHV(RANDOM); | |
158 | P_MADV_BHV(SEQUENTIAL); | |
159 | P_MADV_BHV(WILLNEED); | |
160 | P_MADV_BHV(DONTNEED); | |
161 | P_MADV_BHV(REMOVE); | |
162 | P_MADV_BHV(DONTFORK); | |
163 | P_MADV_BHV(DOFORK); | |
164 | P_MADV_BHV(HWPOISON); | |
165 | #ifdef MADV_SOFT_OFFLINE | |
166 | P_MADV_BHV(SOFT_OFFLINE); | |
167 | #endif | |
168 | P_MADV_BHV(MERGEABLE); | |
169 | P_MADV_BHV(UNMERGEABLE); | |
f2935f3e | 170 | #ifdef MADV_HUGEPAGE |
9e9716d1 | 171 | P_MADV_BHV(HUGEPAGE); |
f2935f3e DA |
172 | #endif |
173 | #ifdef MADV_NOHUGEPAGE | |
9e9716d1 | 174 | P_MADV_BHV(NOHUGEPAGE); |
f2935f3e | 175 | #endif |
9e9716d1 ACM |
176 | #ifdef MADV_DONTDUMP |
177 | P_MADV_BHV(DONTDUMP); | |
178 | #endif | |
179 | #ifdef MADV_DODUMP | |
180 | P_MADV_BHV(DODUMP); | |
181 | #endif | |
182 | #undef P_MADV_PHV | |
183 | default: break; | |
184 | } | |
185 | ||
186 | return scnprintf(bf, size, "%#x", behavior); | |
187 | } | |
188 | ||
189 | #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior | |
190 | ||
01533e97 | 191 | static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg) |
f9da0b0c ACM |
192 | { |
193 | enum syscall_futex_args { | |
194 | SCF_UADDR = (1 << 0), | |
195 | SCF_OP = (1 << 1), | |
196 | SCF_VAL = (1 << 2), | |
197 | SCF_TIMEOUT = (1 << 3), | |
198 | SCF_UADDR2 = (1 << 4), | |
199 | SCF_VAL3 = (1 << 5), | |
200 | }; | |
01533e97 | 201 | int op = arg->val; |
f9da0b0c ACM |
202 | int cmd = op & FUTEX_CMD_MASK; |
203 | size_t printed = 0; | |
204 | ||
205 | switch (cmd) { | |
206 | #define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, #n); | |
01533e97 ACM |
207 | P_FUTEX_OP(WAIT); arg->mask |= SCF_VAL3|SCF_UADDR2; break; |
208 | P_FUTEX_OP(WAKE); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
209 | P_FUTEX_OP(FD); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
210 | P_FUTEX_OP(REQUEUE); arg->mask |= SCF_VAL3|SCF_TIMEOUT; break; | |
211 | P_FUTEX_OP(CMP_REQUEUE); arg->mask |= SCF_TIMEOUT; break; | |
212 | P_FUTEX_OP(CMP_REQUEUE_PI); arg->mask |= SCF_TIMEOUT; break; | |
f9da0b0c | 213 | P_FUTEX_OP(WAKE_OP); break; |
01533e97 ACM |
214 | P_FUTEX_OP(LOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; |
215 | P_FUTEX_OP(UNLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break; | |
216 | P_FUTEX_OP(TRYLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2; break; | |
217 | P_FUTEX_OP(WAIT_BITSET); arg->mask |= SCF_UADDR2; break; | |
218 | P_FUTEX_OP(WAKE_BITSET); arg->mask |= SCF_UADDR2; break; | |
f9da0b0c ACM |
219 | P_FUTEX_OP(WAIT_REQUEUE_PI); break; |
220 | default: printed = scnprintf(bf, size, "%#x", cmd); break; | |
221 | } | |
222 | ||
223 | if (op & FUTEX_PRIVATE_FLAG) | |
224 | printed += scnprintf(bf + printed, size - printed, "|PRIV"); | |
225 | ||
226 | if (op & FUTEX_CLOCK_REALTIME) | |
227 | printed += scnprintf(bf + printed, size - printed, "|CLKRT"); | |
228 | ||
229 | return printed; | |
230 | } | |
231 | ||
efe6b882 ACM |
232 | #define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op |
233 | ||
1f115cb7 ACM |
234 | static const char *itimers[] = { "REAL", "VIRTUAL", "PROF", }; |
235 | static DEFINE_STRARRAY(itimers); | |
236 | ||
efe6b882 ACM |
237 | static const char *whences[] = { "SET", "CUR", "END", |
238 | #ifdef SEEK_DATA | |
239 | "DATA", | |
240 | #endif | |
241 | #ifdef SEEK_HOLE | |
242 | "HOLE", | |
243 | #endif | |
244 | }; | |
245 | static DEFINE_STRARRAY(whences); | |
f9da0b0c | 246 | |
80f587d5 ACM |
247 | static const char *fcntl_cmds[] = { |
248 | "DUPFD", "GETFD", "SETFD", "GETFL", "SETFL", "GETLK", "SETLK", | |
249 | "SETLKW", "SETOWN", "GETOWN", "SETSIG", "GETSIG", "F_GETLK64", | |
250 | "F_SETLK64", "F_SETLKW64", "F_SETOWN_EX", "F_GETOWN_EX", | |
251 | "F_GETOWNER_UIDS", | |
252 | }; | |
253 | static DEFINE_STRARRAY(fcntl_cmds); | |
254 | ||
eb5b1b14 ACM |
255 | static const char *sighow[] = { "BLOCK", "UNBLOCK", "SETMASK", }; |
256 | static DEFINE_STRARRAY(sighow); | |
257 | ||
e10bce81 ACM |
258 | static const char *socket_families[] = { |
259 | "UNSPEC", "LOCAL", "INET", "AX25", "IPX", "APPLETALK", "NETROM", | |
260 | "BRIDGE", "ATMPVC", "X25", "INET6", "ROSE", "DECnet", "NETBEUI", | |
261 | "SECURITY", "KEY", "NETLINK", "PACKET", "ASH", "ECONET", "ATMSVC", | |
262 | "RDS", "SNA", "IRDA", "PPPOX", "WANPIPE", "LLC", "IB", "CAN", "TIPC", | |
263 | "BLUETOOTH", "IUCV", "RXRPC", "ISDN", "PHONET", "IEEE802154", "CAIF", | |
264 | "ALG", "NFC", "VSOCK", | |
265 | }; | |
266 | static DEFINE_STRARRAY(socket_families); | |
267 | ||
a28b24b2 ACM |
268 | #ifndef SOCK_TYPE_MASK |
269 | #define SOCK_TYPE_MASK 0xf | |
270 | #endif | |
271 | ||
272 | static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size, | |
273 | struct syscall_arg *arg) | |
274 | { | |
275 | size_t printed; | |
276 | int type = arg->val, | |
277 | flags = type & ~SOCK_TYPE_MASK; | |
278 | ||
279 | type &= SOCK_TYPE_MASK; | |
280 | /* | |
281 | * Can't use a strarray, MIPS may override for ABI reasons. | |
282 | */ | |
283 | switch (type) { | |
284 | #define P_SK_TYPE(n) case SOCK_##n: printed = scnprintf(bf, size, #n); break; | |
285 | P_SK_TYPE(STREAM); | |
286 | P_SK_TYPE(DGRAM); | |
287 | P_SK_TYPE(RAW); | |
288 | P_SK_TYPE(RDM); | |
289 | P_SK_TYPE(SEQPACKET); | |
290 | P_SK_TYPE(DCCP); | |
291 | P_SK_TYPE(PACKET); | |
292 | #undef P_SK_TYPE | |
293 | default: | |
294 | printed = scnprintf(bf, size, "%#x", type); | |
295 | } | |
296 | ||
297 | #define P_SK_FLAG(n) \ | |
298 | if (flags & SOCK_##n) { \ | |
299 | printed += scnprintf(bf + printed, size - printed, "|%s", #n); \ | |
300 | flags &= ~SOCK_##n; \ | |
301 | } | |
302 | ||
303 | P_SK_FLAG(CLOEXEC); | |
304 | P_SK_FLAG(NONBLOCK); | |
305 | #undef P_SK_FLAG | |
306 | ||
307 | if (flags) | |
308 | printed += scnprintf(bf + printed, size - printed, "|%#x", flags); | |
309 | ||
310 | return printed; | |
311 | } | |
312 | ||
313 | #define SCA_SK_TYPE syscall_arg__scnprintf_socket_type | |
314 | ||
be65a89a | 315 | static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, |
01533e97 | 316 | struct syscall_arg *arg) |
be65a89a | 317 | { |
01533e97 | 318 | int printed = 0, flags = arg->val; |
be65a89a ACM |
319 | |
320 | if (!(flags & O_CREAT)) | |
01533e97 | 321 | arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */ |
be65a89a ACM |
322 | |
323 | if (flags == 0) | |
324 | return scnprintf(bf, size, "RDONLY"); | |
325 | #define P_FLAG(n) \ | |
326 | if (flags & O_##n) { \ | |
327 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
328 | flags &= ~O_##n; \ | |
329 | } | |
330 | ||
331 | P_FLAG(APPEND); | |
332 | P_FLAG(ASYNC); | |
333 | P_FLAG(CLOEXEC); | |
334 | P_FLAG(CREAT); | |
335 | P_FLAG(DIRECT); | |
336 | P_FLAG(DIRECTORY); | |
337 | P_FLAG(EXCL); | |
338 | P_FLAG(LARGEFILE); | |
339 | P_FLAG(NOATIME); | |
340 | P_FLAG(NOCTTY); | |
341 | #ifdef O_NONBLOCK | |
342 | P_FLAG(NONBLOCK); | |
343 | #elif O_NDELAY | |
344 | P_FLAG(NDELAY); | |
345 | #endif | |
346 | #ifdef O_PATH | |
347 | P_FLAG(PATH); | |
348 | #endif | |
349 | P_FLAG(RDWR); | |
350 | #ifdef O_DSYNC | |
351 | if ((flags & O_SYNC) == O_SYNC) | |
352 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC"); | |
353 | else { | |
354 | P_FLAG(DSYNC); | |
355 | } | |
356 | #else | |
357 | P_FLAG(SYNC); | |
358 | #endif | |
359 | P_FLAG(TRUNC); | |
360 | P_FLAG(WRONLY); | |
361 | #undef P_FLAG | |
362 | ||
363 | if (flags) | |
364 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
365 | ||
366 | return printed; | |
367 | } | |
368 | ||
369 | #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags | |
370 | ||
8bad5b0a ACM |
371 | static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg) |
372 | { | |
373 | int sig = arg->val; | |
374 | ||
375 | switch (sig) { | |
376 | #define P_SIGNUM(n) case SIG##n: return scnprintf(bf, size, #n) | |
377 | P_SIGNUM(HUP); | |
378 | P_SIGNUM(INT); | |
379 | P_SIGNUM(QUIT); | |
380 | P_SIGNUM(ILL); | |
381 | P_SIGNUM(TRAP); | |
382 | P_SIGNUM(ABRT); | |
383 | P_SIGNUM(BUS); | |
384 | P_SIGNUM(FPE); | |
385 | P_SIGNUM(KILL); | |
386 | P_SIGNUM(USR1); | |
387 | P_SIGNUM(SEGV); | |
388 | P_SIGNUM(USR2); | |
389 | P_SIGNUM(PIPE); | |
390 | P_SIGNUM(ALRM); | |
391 | P_SIGNUM(TERM); | |
392 | P_SIGNUM(STKFLT); | |
393 | P_SIGNUM(CHLD); | |
394 | P_SIGNUM(CONT); | |
395 | P_SIGNUM(STOP); | |
396 | P_SIGNUM(TSTP); | |
397 | P_SIGNUM(TTIN); | |
398 | P_SIGNUM(TTOU); | |
399 | P_SIGNUM(URG); | |
400 | P_SIGNUM(XCPU); | |
401 | P_SIGNUM(XFSZ); | |
402 | P_SIGNUM(VTALRM); | |
403 | P_SIGNUM(PROF); | |
404 | P_SIGNUM(WINCH); | |
405 | P_SIGNUM(IO); | |
406 | P_SIGNUM(PWR); | |
407 | P_SIGNUM(SYS); | |
408 | default: break; | |
409 | } | |
410 | ||
411 | return scnprintf(bf, size, "%#x", sig); | |
412 | } | |
413 | ||
414 | #define SCA_SIGNUM syscall_arg__scnprintf_signum | |
415 | ||
514f1c67 ACM |
416 | static struct syscall_fmt { |
417 | const char *name; | |
aec1930b | 418 | const char *alias; |
01533e97 | 419 | size_t (*arg_scnprintf[6])(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 420 | void *arg_parm[6]; |
514f1c67 ACM |
421 | bool errmsg; |
422 | bool timeout; | |
04b34729 | 423 | bool hexret; |
514f1c67 | 424 | } syscall_fmts[] = { |
8b745263 | 425 | { .name = "access", .errmsg = true, }, |
aec1930b | 426 | { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, |
beccb2b5 ACM |
427 | { .name = "brk", .hexret = true, |
428 | .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, | |
04b34729 | 429 | { .name = "mmap", .hexret = true, }, |
a14bb860 | 430 | { .name = "connect", .errmsg = true, }, |
80f587d5 ACM |
431 | { .name = "fcntl", .errmsg = true, |
432 | .arg_scnprintf = { [1] = SCA_STRARRAY, /* cmd */ }, | |
433 | .arg_parm = { [1] = &strarray__fcntl_cmds, /* cmd */ }, }, | |
aec1930b ACM |
434 | { .name = "fstat", .errmsg = true, .alias = "newfstat", }, |
435 | { .name = "fstatat", .errmsg = true, .alias = "newfstatat", }, | |
f9da0b0c ACM |
436 | { .name = "futex", .errmsg = true, |
437 | .arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, }, | |
1f115cb7 ACM |
438 | { .name = "getitimer", .errmsg = true, |
439 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* which */ }, | |
440 | .arg_parm = { [0] = &strarray__itimers, /* which */ }, }, | |
beccb2b5 ACM |
441 | { .name = "ioctl", .errmsg = true, |
442 | .arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, }, | |
8bad5b0a ACM |
443 | { .name = "kill", .errmsg = true, |
444 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
579e7865 | 445 | { .name = "lseek", .errmsg = true, |
efe6b882 ACM |
446 | .arg_scnprintf = { [2] = SCA_STRARRAY, /* whence */ }, |
447 | .arg_parm = { [2] = &strarray__whences, /* whence */ }, }, | |
e5959683 | 448 | { .name = "lstat", .errmsg = true, .alias = "newlstat", }, |
9e9716d1 ACM |
449 | { .name = "madvise", .errmsg = true, |
450 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ | |
451 | [2] = SCA_MADV_BHV, /* behavior */ }, }, | |
beccb2b5 | 452 | { .name = "mmap", .hexret = true, |
ae685380 | 453 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ |
941557e0 ACM |
454 | [2] = SCA_MMAP_PROT, /* prot */ |
455 | [3] = SCA_MMAP_FLAGS, /* flags */ }, }, | |
beccb2b5 | 456 | { .name = "mprotect", .errmsg = true, |
ae685380 ACM |
457 | .arg_scnprintf = { [0] = SCA_HEX, /* start */ |
458 | [2] = SCA_MMAP_PROT, /* prot */ }, }, | |
459 | { .name = "mremap", .hexret = true, | |
460 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ | |
461 | [4] = SCA_HEX, /* new_addr */ }, }, | |
beccb2b5 ACM |
462 | { .name = "munmap", .errmsg = true, |
463 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | |
be65a89a ACM |
464 | { .name = "open", .errmsg = true, |
465 | .arg_scnprintf = { [1] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
31cd3855 ACM |
466 | { .name = "open_by_handle_at", .errmsg = true, |
467 | .arg_scnprintf = { [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
468 | { .name = "openat", .errmsg = true, | |
469 | .arg_scnprintf = { [2] = SCA_OPEN_FLAGS, /* flags */ }, }, | |
aec1930b ACM |
470 | { .name = "poll", .errmsg = true, .timeout = true, }, |
471 | { .name = "ppoll", .errmsg = true, .timeout = true, }, | |
e5959683 ACM |
472 | { .name = "pread", .errmsg = true, .alias = "pread64", }, |
473 | { .name = "pwrite", .errmsg = true, .alias = "pwrite64", }, | |
aec1930b ACM |
474 | { .name = "read", .errmsg = true, }, |
475 | { .name = "recvfrom", .errmsg = true, }, | |
8bad5b0a ACM |
476 | { .name = "rt_sigaction", .errmsg = true, |
477 | .arg_scnprintf = { [0] = SCA_SIGNUM, /* sig */ }, }, | |
eb5b1b14 ACM |
478 | { .name = "rt_sigprocmask", .errmsg = true, |
479 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* how */ }, | |
480 | .arg_parm = { [0] = &strarray__sighow, /* how */ }, }, | |
8bad5b0a ACM |
481 | { .name = "rt_sigqueueinfo", .errmsg = true, |
482 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
483 | { .name = "rt_tgsigqueueinfo", .errmsg = true, | |
484 | .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, | |
aec1930b | 485 | { .name = "select", .errmsg = true, .timeout = true, }, |
1f115cb7 ACM |
486 | { .name = "setitimer", .errmsg = true, |
487 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* which */ }, | |
488 | .arg_parm = { [0] = &strarray__itimers, /* which */ }, }, | |
e10bce81 | 489 | { .name = "socket", .errmsg = true, |
a28b24b2 ACM |
490 | .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ |
491 | [1] = SCA_SK_TYPE, /* type */ }, | |
e10bce81 | 492 | .arg_parm = { [0] = &strarray__socket_families, /* family */ }, }, |
aec1930b | 493 | { .name = "stat", .errmsg = true, .alias = "newstat", }, |
8bad5b0a ACM |
494 | { .name = "tgkill", .errmsg = true, |
495 | .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, | |
496 | { .name = "tkill", .errmsg = true, | |
497 | .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, | |
e5959683 | 498 | { .name = "uname", .errmsg = true, .alias = "newuname", }, |
514f1c67 ACM |
499 | }; |
500 | ||
501 | static int syscall_fmt__cmp(const void *name, const void *fmtp) | |
502 | { | |
503 | const struct syscall_fmt *fmt = fmtp; | |
504 | return strcmp(name, fmt->name); | |
505 | } | |
506 | ||
507 | static struct syscall_fmt *syscall_fmt__find(const char *name) | |
508 | { | |
509 | const int nmemb = ARRAY_SIZE(syscall_fmts); | |
510 | return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp); | |
511 | } | |
512 | ||
513 | struct syscall { | |
514 | struct event_format *tp_format; | |
515 | const char *name; | |
2ae3a312 | 516 | bool filtered; |
514f1c67 | 517 | struct syscall_fmt *fmt; |
01533e97 | 518 | size_t (**arg_scnprintf)(char *bf, size_t size, struct syscall_arg *arg); |
1f115cb7 | 519 | void **arg_parm; |
514f1c67 ACM |
520 | }; |
521 | ||
60c907ab ACM |
522 | static size_t fprintf_duration(unsigned long t, FILE *fp) |
523 | { | |
524 | double duration = (double)t / NSEC_PER_MSEC; | |
525 | size_t printed = fprintf(fp, "("); | |
526 | ||
527 | if (duration >= 1.0) | |
528 | printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration); | |
529 | else if (duration >= 0.01) | |
530 | printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration); | |
531 | else | |
532 | printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration); | |
c24ff998 | 533 | return printed + fprintf(fp, "): "); |
60c907ab ACM |
534 | } |
535 | ||
752fde44 ACM |
536 | struct thread_trace { |
537 | u64 entry_time; | |
538 | u64 exit_time; | |
539 | bool entry_pending; | |
efd5745e | 540 | unsigned long nr_events; |
752fde44 | 541 | char *entry_str; |
1302d88e | 542 | double runtime_ms; |
752fde44 ACM |
543 | }; |
544 | ||
545 | static struct thread_trace *thread_trace__new(void) | |
546 | { | |
547 | return zalloc(sizeof(struct thread_trace)); | |
548 | } | |
549 | ||
c24ff998 | 550 | static struct thread_trace *thread__trace(struct thread *thread, FILE *fp) |
752fde44 | 551 | { |
efd5745e ACM |
552 | struct thread_trace *ttrace; |
553 | ||
752fde44 ACM |
554 | if (thread == NULL) |
555 | goto fail; | |
556 | ||
557 | if (thread->priv == NULL) | |
558 | thread->priv = thread_trace__new(); | |
efd5745e | 559 | |
752fde44 ACM |
560 | if (thread->priv == NULL) |
561 | goto fail; | |
562 | ||
efd5745e ACM |
563 | ttrace = thread->priv; |
564 | ++ttrace->nr_events; | |
565 | ||
566 | return ttrace; | |
752fde44 | 567 | fail: |
c24ff998 | 568 | color_fprintf(fp, PERF_COLOR_RED, |
752fde44 ACM |
569 | "WARNING: not enough memory, dropping samples!\n"); |
570 | return NULL; | |
571 | } | |
572 | ||
514f1c67 | 573 | struct trace { |
c24ff998 | 574 | struct perf_tool tool; |
514f1c67 ACM |
575 | int audit_machine; |
576 | struct { | |
577 | int max; | |
578 | struct syscall *table; | |
579 | } syscalls; | |
580 | struct perf_record_opts opts; | |
752fde44 ACM |
581 | struct machine host; |
582 | u64 base_time; | |
c24ff998 | 583 | FILE *output; |
efd5745e | 584 | unsigned long nr_events; |
b059efdf ACM |
585 | struct strlist *ev_qualifier; |
586 | bool not_ev_qualifier; | |
bdc89661 DA |
587 | struct intlist *tid_list; |
588 | struct intlist *pid_list; | |
1302d88e | 589 | bool sched; |
752fde44 | 590 | bool multiple_threads; |
ae9ed035 | 591 | double duration_filter; |
1302d88e | 592 | double runtime_ms; |
514f1c67 ACM |
593 | }; |
594 | ||
ae9ed035 ACM |
595 | static bool trace__filter_duration(struct trace *trace, double t) |
596 | { | |
597 | return t < (trace->duration_filter * NSEC_PER_MSEC); | |
598 | } | |
599 | ||
752fde44 ACM |
600 | static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp) |
601 | { | |
602 | double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC; | |
603 | ||
60c907ab | 604 | return fprintf(fp, "%10.3f ", ts); |
752fde44 ACM |
605 | } |
606 | ||
f15eb531 NK |
607 | static bool done = false; |
608 | ||
609 | static void sig_handler(int sig __maybe_unused) | |
610 | { | |
611 | done = true; | |
612 | } | |
613 | ||
752fde44 | 614 | static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, |
60c907ab | 615 | u64 duration, u64 tstamp, FILE *fp) |
752fde44 ACM |
616 | { |
617 | size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); | |
60c907ab | 618 | printed += fprintf_duration(duration, fp); |
752fde44 ACM |
619 | |
620 | if (trace->multiple_threads) | |
38051234 | 621 | printed += fprintf(fp, "%d ", thread->tid); |
752fde44 ACM |
622 | |
623 | return printed; | |
624 | } | |
625 | ||
c24ff998 ACM |
626 | static int trace__process_event(struct trace *trace, struct machine *machine, |
627 | union perf_event *event) | |
752fde44 ACM |
628 | { |
629 | int ret = 0; | |
630 | ||
631 | switch (event->header.type) { | |
632 | case PERF_RECORD_LOST: | |
c24ff998 | 633 | color_fprintf(trace->output, PERF_COLOR_RED, |
752fde44 ACM |
634 | "LOST %" PRIu64 " events!\n", event->lost.lost); |
635 | ret = machine__process_lost_event(machine, event); | |
636 | default: | |
637 | ret = machine__process_event(machine, event); | |
638 | break; | |
639 | } | |
640 | ||
641 | return ret; | |
642 | } | |
643 | ||
c24ff998 | 644 | static int trace__tool_process(struct perf_tool *tool, |
752fde44 ACM |
645 | union perf_event *event, |
646 | struct perf_sample *sample __maybe_unused, | |
647 | struct machine *machine) | |
648 | { | |
c24ff998 ACM |
649 | struct trace *trace = container_of(tool, struct trace, tool); |
650 | return trace__process_event(trace, machine, event); | |
752fde44 ACM |
651 | } |
652 | ||
653 | static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist) | |
654 | { | |
655 | int err = symbol__init(); | |
656 | ||
657 | if (err) | |
658 | return err; | |
659 | ||
660 | machine__init(&trace->host, "", HOST_KERNEL_ID); | |
661 | machine__create_kernel_maps(&trace->host); | |
662 | ||
663 | if (perf_target__has_task(&trace->opts.target)) { | |
c24ff998 | 664 | err = perf_event__synthesize_thread_map(&trace->tool, evlist->threads, |
752fde44 ACM |
665 | trace__tool_process, |
666 | &trace->host); | |
667 | } else { | |
c24ff998 | 668 | err = perf_event__synthesize_threads(&trace->tool, trace__tool_process, |
752fde44 ACM |
669 | &trace->host); |
670 | } | |
671 | ||
672 | if (err) | |
673 | symbol__exit(); | |
674 | ||
675 | return err; | |
676 | } | |
677 | ||
13d4ff3e ACM |
678 | static int syscall__set_arg_fmts(struct syscall *sc) |
679 | { | |
680 | struct format_field *field; | |
681 | int idx = 0; | |
682 | ||
683 | sc->arg_scnprintf = calloc(sc->tp_format->format.nr_fields - 1, sizeof(void *)); | |
684 | if (sc->arg_scnprintf == NULL) | |
685 | return -1; | |
686 | ||
1f115cb7 ACM |
687 | if (sc->fmt) |
688 | sc->arg_parm = sc->fmt->arg_parm; | |
689 | ||
13d4ff3e | 690 | for (field = sc->tp_format->format.fields->next; field; field = field->next) { |
beccb2b5 ACM |
691 | if (sc->fmt && sc->fmt->arg_scnprintf[idx]) |
692 | sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx]; | |
693 | else if (field->flags & FIELD_IS_POINTER) | |
13d4ff3e ACM |
694 | sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex; |
695 | ++idx; | |
696 | } | |
697 | ||
698 | return 0; | |
699 | } | |
700 | ||
514f1c67 ACM |
701 | static int trace__read_syscall_info(struct trace *trace, int id) |
702 | { | |
703 | char tp_name[128]; | |
704 | struct syscall *sc; | |
3a531260 ACM |
705 | const char *name = audit_syscall_to_name(id, trace->audit_machine); |
706 | ||
707 | if (name == NULL) | |
708 | return -1; | |
514f1c67 ACM |
709 | |
710 | if (id > trace->syscalls.max) { | |
711 | struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc)); | |
712 | ||
713 | if (nsyscalls == NULL) | |
714 | return -1; | |
715 | ||
716 | if (trace->syscalls.max != -1) { | |
717 | memset(nsyscalls + trace->syscalls.max + 1, 0, | |
718 | (id - trace->syscalls.max) * sizeof(*sc)); | |
719 | } else { | |
720 | memset(nsyscalls, 0, (id + 1) * sizeof(*sc)); | |
721 | } | |
722 | ||
723 | trace->syscalls.table = nsyscalls; | |
724 | trace->syscalls.max = id; | |
725 | } | |
726 | ||
727 | sc = trace->syscalls.table + id; | |
3a531260 | 728 | sc->name = name; |
2ae3a312 | 729 | |
b059efdf ACM |
730 | if (trace->ev_qualifier) { |
731 | bool in = strlist__find(trace->ev_qualifier, name) != NULL; | |
732 | ||
733 | if (!(in ^ trace->not_ev_qualifier)) { | |
734 | sc->filtered = true; | |
735 | /* | |
736 | * No need to do read tracepoint information since this will be | |
737 | * filtered out. | |
738 | */ | |
739 | return 0; | |
740 | } | |
2ae3a312 ACM |
741 | } |
742 | ||
3a531260 | 743 | sc->fmt = syscall_fmt__find(sc->name); |
514f1c67 | 744 | |
aec1930b | 745 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); |
514f1c67 | 746 | sc->tp_format = event_format__new("syscalls", tp_name); |
aec1930b ACM |
747 | |
748 | if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) { | |
749 | snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias); | |
750 | sc->tp_format = event_format__new("syscalls", tp_name); | |
751 | } | |
514f1c67 | 752 | |
13d4ff3e ACM |
753 | if (sc->tp_format == NULL) |
754 | return -1; | |
755 | ||
756 | return syscall__set_arg_fmts(sc); | |
514f1c67 ACM |
757 | } |
758 | ||
752fde44 ACM |
759 | static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, |
760 | unsigned long *args) | |
514f1c67 | 761 | { |
514f1c67 ACM |
762 | size_t printed = 0; |
763 | ||
764 | if (sc->tp_format != NULL) { | |
765 | struct format_field *field; | |
01533e97 ACM |
766 | u8 bit = 1; |
767 | struct syscall_arg arg = { | |
768 | .idx = 0, | |
769 | .mask = 0, | |
770 | }; | |
6e7eeb51 ACM |
771 | |
772 | for (field = sc->tp_format->format.fields->next; field; | |
01533e97 ACM |
773 | field = field->next, ++arg.idx, bit <<= 1) { |
774 | if (arg.mask & bit) | |
6e7eeb51 | 775 | continue; |
514f1c67 | 776 | |
752fde44 | 777 | printed += scnprintf(bf + printed, size - printed, |
13d4ff3e | 778 | "%s%s: ", printed ? ", " : "", field->name); |
01533e97 ACM |
779 | if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) { |
780 | arg.val = args[arg.idx]; | |
1f115cb7 ACM |
781 | if (sc->arg_parm) |
782 | arg.parm = sc->arg_parm[arg.idx]; | |
01533e97 ACM |
783 | printed += sc->arg_scnprintf[arg.idx](bf + printed, |
784 | size - printed, &arg); | |
6e7eeb51 | 785 | } else { |
13d4ff3e | 786 | printed += scnprintf(bf + printed, size - printed, |
01533e97 | 787 | "%ld", args[arg.idx]); |
6e7eeb51 | 788 | } |
514f1c67 ACM |
789 | } |
790 | } else { | |
01533e97 ACM |
791 | int i = 0; |
792 | ||
514f1c67 | 793 | while (i < 6) { |
752fde44 ACM |
794 | printed += scnprintf(bf + printed, size - printed, |
795 | "%sarg%d: %ld", | |
796 | printed ? ", " : "", i, args[i]); | |
514f1c67 ACM |
797 | ++i; |
798 | } | |
799 | } | |
800 | ||
801 | return printed; | |
802 | } | |
803 | ||
ba3d7dee ACM |
804 | typedef int (*tracepoint_handler)(struct trace *trace, struct perf_evsel *evsel, |
805 | struct perf_sample *sample); | |
806 | ||
807 | static struct syscall *trace__syscall_info(struct trace *trace, | |
808 | struct perf_evsel *evsel, | |
809 | struct perf_sample *sample) | |
810 | { | |
811 | int id = perf_evsel__intval(evsel, sample, "id"); | |
812 | ||
813 | if (id < 0) { | |
adaa18bf ACM |
814 | |
815 | /* | |
816 | * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried | |
817 | * before that, leaving at a higher verbosity level till that is | |
818 | * explained. Reproduced with plain ftrace with: | |
819 | * | |
820 | * echo 1 > /t/events/raw_syscalls/sys_exit/enable | |
821 | * grep "NR -1 " /t/trace_pipe | |
822 | * | |
823 | * After generating some load on the machine. | |
824 | */ | |
825 | if (verbose > 1) { | |
826 | static u64 n; | |
827 | fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n", | |
828 | id, perf_evsel__name(evsel), ++n); | |
829 | } | |
ba3d7dee ACM |
830 | return NULL; |
831 | } | |
832 | ||
833 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) && | |
834 | trace__read_syscall_info(trace, id)) | |
835 | goto out_cant_read; | |
836 | ||
837 | if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL)) | |
838 | goto out_cant_read; | |
839 | ||
840 | return &trace->syscalls.table[id]; | |
841 | ||
842 | out_cant_read: | |
7c304ee0 ACM |
843 | if (verbose) { |
844 | fprintf(trace->output, "Problems reading syscall %d", id); | |
845 | if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) | |
846 | fprintf(trace->output, "(%s)", trace->syscalls.table[id].name); | |
847 | fputs(" information\n", trace->output); | |
848 | } | |
ba3d7dee ACM |
849 | return NULL; |
850 | } | |
851 | ||
852 | static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, | |
853 | struct perf_sample *sample) | |
854 | { | |
752fde44 | 855 | char *msg; |
ba3d7dee | 856 | void *args; |
752fde44 | 857 | size_t printed = 0; |
2ae3a312 | 858 | struct thread *thread; |
ba3d7dee | 859 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
2ae3a312 ACM |
860 | struct thread_trace *ttrace; |
861 | ||
862 | if (sc == NULL) | |
863 | return -1; | |
ba3d7dee | 864 | |
2ae3a312 ACM |
865 | if (sc->filtered) |
866 | return 0; | |
867 | ||
314add6b AH |
868 | thread = machine__findnew_thread(&trace->host, sample->pid, |
869 | sample->tid); | |
c24ff998 | 870 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 871 | if (ttrace == NULL) |
ba3d7dee ACM |
872 | return -1; |
873 | ||
874 | args = perf_evsel__rawptr(evsel, sample, "args"); | |
875 | if (args == NULL) { | |
c24ff998 | 876 | fprintf(trace->output, "Problems reading syscall arguments\n"); |
ba3d7dee ACM |
877 | return -1; |
878 | } | |
879 | ||
752fde44 ACM |
880 | ttrace = thread->priv; |
881 | ||
882 | if (ttrace->entry_str == NULL) { | |
883 | ttrace->entry_str = malloc(1024); | |
884 | if (!ttrace->entry_str) | |
885 | return -1; | |
886 | } | |
887 | ||
888 | ttrace->entry_time = sample->time; | |
889 | msg = ttrace->entry_str; | |
890 | printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name); | |
891 | ||
892 | printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, args); | |
893 | ||
894 | if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) { | |
ae9ed035 | 895 | if (!trace->duration_filter) { |
c24ff998 ACM |
896 | trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output); |
897 | fprintf(trace->output, "%-70s\n", ttrace->entry_str); | |
ae9ed035 | 898 | } |
752fde44 ACM |
899 | } else |
900 | ttrace->entry_pending = true; | |
ba3d7dee ACM |
901 | |
902 | return 0; | |
903 | } | |
904 | ||
905 | static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, | |
906 | struct perf_sample *sample) | |
907 | { | |
908 | int ret; | |
60c907ab | 909 | u64 duration = 0; |
2ae3a312 | 910 | struct thread *thread; |
ba3d7dee | 911 | struct syscall *sc = trace__syscall_info(trace, evsel, sample); |
2ae3a312 ACM |
912 | struct thread_trace *ttrace; |
913 | ||
914 | if (sc == NULL) | |
915 | return -1; | |
ba3d7dee | 916 | |
2ae3a312 ACM |
917 | if (sc->filtered) |
918 | return 0; | |
919 | ||
314add6b AH |
920 | thread = machine__findnew_thread(&trace->host, sample->pid, |
921 | sample->tid); | |
c24ff998 | 922 | ttrace = thread__trace(thread, trace->output); |
2ae3a312 | 923 | if (ttrace == NULL) |
ba3d7dee ACM |
924 | return -1; |
925 | ||
926 | ret = perf_evsel__intval(evsel, sample, "ret"); | |
927 | ||
752fde44 ACM |
928 | ttrace = thread->priv; |
929 | ||
930 | ttrace->exit_time = sample->time; | |
931 | ||
ae9ed035 | 932 | if (ttrace->entry_time) { |
60c907ab | 933 | duration = sample->time - ttrace->entry_time; |
ae9ed035 ACM |
934 | if (trace__filter_duration(trace, duration)) |
935 | goto out; | |
936 | } else if (trace->duration_filter) | |
937 | goto out; | |
60c907ab | 938 | |
c24ff998 | 939 | trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output); |
752fde44 ACM |
940 | |
941 | if (ttrace->entry_pending) { | |
c24ff998 | 942 | fprintf(trace->output, "%-70s", ttrace->entry_str); |
752fde44 | 943 | } else { |
c24ff998 ACM |
944 | fprintf(trace->output, " ... ["); |
945 | color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued"); | |
946 | fprintf(trace->output, "]: %s()", sc->name); | |
752fde44 ACM |
947 | } |
948 | ||
da3c9a44 ACM |
949 | if (sc->fmt == NULL) { |
950 | signed_print: | |
951 | fprintf(trace->output, ") = %d", ret); | |
952 | } else if (ret < 0 && sc->fmt->errmsg) { | |
ba3d7dee ACM |
953 | char bf[256]; |
954 | const char *emsg = strerror_r(-ret, bf, sizeof(bf)), | |
955 | *e = audit_errno_to_name(-ret); | |
956 | ||
c24ff998 | 957 | fprintf(trace->output, ") = -1 %s %s", e, emsg); |
da3c9a44 | 958 | } else if (ret == 0 && sc->fmt->timeout) |
c24ff998 | 959 | fprintf(trace->output, ") = 0 Timeout"); |
04b34729 ACM |
960 | else if (sc->fmt->hexret) |
961 | fprintf(trace->output, ") = %#x", ret); | |
ba3d7dee | 962 | else |
da3c9a44 | 963 | goto signed_print; |
ba3d7dee | 964 | |
c24ff998 | 965 | fputc('\n', trace->output); |
ae9ed035 | 966 | out: |
752fde44 ACM |
967 | ttrace->entry_pending = false; |
968 | ||
ba3d7dee ACM |
969 | return 0; |
970 | } | |
971 | ||
1302d88e ACM |
972 | static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel, |
973 | struct perf_sample *sample) | |
974 | { | |
975 | u64 runtime = perf_evsel__intval(evsel, sample, "runtime"); | |
976 | double runtime_ms = (double)runtime / NSEC_PER_MSEC; | |
314add6b AH |
977 | struct thread *thread = machine__findnew_thread(&trace->host, |
978 | sample->pid, | |
979 | sample->tid); | |
c24ff998 | 980 | struct thread_trace *ttrace = thread__trace(thread, trace->output); |
1302d88e ACM |
981 | |
982 | if (ttrace == NULL) | |
983 | goto out_dump; | |
984 | ||
985 | ttrace->runtime_ms += runtime_ms; | |
986 | trace->runtime_ms += runtime_ms; | |
987 | return 0; | |
988 | ||
989 | out_dump: | |
c24ff998 | 990 | fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n", |
1302d88e ACM |
991 | evsel->name, |
992 | perf_evsel__strval(evsel, sample, "comm"), | |
993 | (pid_t)perf_evsel__intval(evsel, sample, "pid"), | |
994 | runtime, | |
995 | perf_evsel__intval(evsel, sample, "vruntime")); | |
996 | return 0; | |
997 | } | |
998 | ||
bdc89661 DA |
999 | static bool skip_sample(struct trace *trace, struct perf_sample *sample) |
1000 | { | |
1001 | if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) || | |
1002 | (trace->tid_list && intlist__find(trace->tid_list, sample->tid))) | |
1003 | return false; | |
1004 | ||
1005 | if (trace->pid_list || trace->tid_list) | |
1006 | return true; | |
1007 | ||
1008 | return false; | |
1009 | } | |
1010 | ||
6810fc91 DA |
1011 | static int trace__process_sample(struct perf_tool *tool, |
1012 | union perf_event *event __maybe_unused, | |
1013 | struct perf_sample *sample, | |
1014 | struct perf_evsel *evsel, | |
1015 | struct machine *machine __maybe_unused) | |
1016 | { | |
1017 | struct trace *trace = container_of(tool, struct trace, tool); | |
1018 | int err = 0; | |
1019 | ||
1020 | tracepoint_handler handler = evsel->handler.func; | |
1021 | ||
bdc89661 DA |
1022 | if (skip_sample(trace, sample)) |
1023 | return 0; | |
1024 | ||
6810fc91 DA |
1025 | if (trace->base_time == 0) |
1026 | trace->base_time = sample->time; | |
1027 | ||
1028 | if (handler) | |
1029 | handler(trace, evsel, sample); | |
1030 | ||
1031 | return err; | |
1032 | } | |
1033 | ||
1034 | static bool | |
1035 | perf_session__has_tp(struct perf_session *session, const char *name) | |
1036 | { | |
1037 | struct perf_evsel *evsel; | |
1038 | ||
1039 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, name); | |
1040 | ||
1041 | return evsel != NULL; | |
1042 | } | |
1043 | ||
bdc89661 DA |
1044 | static int parse_target_str(struct trace *trace) |
1045 | { | |
1046 | if (trace->opts.target.pid) { | |
1047 | trace->pid_list = intlist__new(trace->opts.target.pid); | |
1048 | if (trace->pid_list == NULL) { | |
1049 | pr_err("Error parsing process id string\n"); | |
1050 | return -EINVAL; | |
1051 | } | |
1052 | } | |
1053 | ||
1054 | if (trace->opts.target.tid) { | |
1055 | trace->tid_list = intlist__new(trace->opts.target.tid); | |
1056 | if (trace->tid_list == NULL) { | |
1057 | pr_err("Error parsing thread id string\n"); | |
1058 | return -EINVAL; | |
1059 | } | |
1060 | } | |
1061 | ||
1062 | return 0; | |
1063 | } | |
1064 | ||
f15eb531 | 1065 | static int trace__run(struct trace *trace, int argc, const char **argv) |
514f1c67 | 1066 | { |
334fe7a3 | 1067 | struct perf_evlist *evlist = perf_evlist__new(); |
ba3d7dee | 1068 | struct perf_evsel *evsel; |
efd5745e ACM |
1069 | int err = -1, i; |
1070 | unsigned long before; | |
f15eb531 | 1071 | const bool forks = argc > 0; |
514f1c67 ACM |
1072 | |
1073 | if (evlist == NULL) { | |
c24ff998 | 1074 | fprintf(trace->output, "Not enough memory to run!\n"); |
514f1c67 ACM |
1075 | goto out; |
1076 | } | |
1077 | ||
39876e7d ACM |
1078 | if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) || |
1079 | perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit)) { | |
c24ff998 | 1080 | fprintf(trace->output, "Couldn't read the raw_syscalls tracepoints information!\n"); |
514f1c67 ACM |
1081 | goto out_delete_evlist; |
1082 | } | |
1083 | ||
1302d88e ACM |
1084 | if (trace->sched && |
1085 | perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime", | |
1086 | trace__sched_stat_runtime)) { | |
c24ff998 | 1087 | fprintf(trace->output, "Couldn't read the sched_stat_runtime tracepoint information!\n"); |
1302d88e ACM |
1088 | goto out_delete_evlist; |
1089 | } | |
1090 | ||
514f1c67 ACM |
1091 | err = perf_evlist__create_maps(evlist, &trace->opts.target); |
1092 | if (err < 0) { | |
c24ff998 | 1093 | fprintf(trace->output, "Problems parsing the target to trace, check your options!\n"); |
514f1c67 ACM |
1094 | goto out_delete_evlist; |
1095 | } | |
1096 | ||
752fde44 ACM |
1097 | err = trace__symbols_init(trace, evlist); |
1098 | if (err < 0) { | |
c24ff998 | 1099 | fprintf(trace->output, "Problems initializing symbol libraries!\n"); |
3beb0861 | 1100 | goto out_delete_maps; |
752fde44 ACM |
1101 | } |
1102 | ||
f77a9518 | 1103 | perf_evlist__config(evlist, &trace->opts); |
514f1c67 | 1104 | |
f15eb531 NK |
1105 | signal(SIGCHLD, sig_handler); |
1106 | signal(SIGINT, sig_handler); | |
1107 | ||
1108 | if (forks) { | |
6ef73ec4 | 1109 | err = perf_evlist__prepare_workload(evlist, &trace->opts.target, |
55e162ea | 1110 | argv, false, false); |
f15eb531 | 1111 | if (err < 0) { |
c24ff998 | 1112 | fprintf(trace->output, "Couldn't run the workload!\n"); |
3beb0861 | 1113 | goto out_delete_maps; |
f15eb531 NK |
1114 | } |
1115 | } | |
1116 | ||
514f1c67 ACM |
1117 | err = perf_evlist__open(evlist); |
1118 | if (err < 0) { | |
c24ff998 | 1119 | fprintf(trace->output, "Couldn't create the events: %s\n", strerror(errno)); |
3beb0861 | 1120 | goto out_delete_maps; |
514f1c67 ACM |
1121 | } |
1122 | ||
1123 | err = perf_evlist__mmap(evlist, UINT_MAX, false); | |
1124 | if (err < 0) { | |
c24ff998 | 1125 | fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno)); |
3beb0861 | 1126 | goto out_close_evlist; |
514f1c67 ACM |
1127 | } |
1128 | ||
1129 | perf_evlist__enable(evlist); | |
f15eb531 NK |
1130 | |
1131 | if (forks) | |
1132 | perf_evlist__start_workload(evlist); | |
1133 | ||
752fde44 | 1134 | trace->multiple_threads = evlist->threads->map[0] == -1 || evlist->threads->nr > 1; |
514f1c67 | 1135 | again: |
efd5745e | 1136 | before = trace->nr_events; |
514f1c67 ACM |
1137 | |
1138 | for (i = 0; i < evlist->nr_mmaps; i++) { | |
1139 | union perf_event *event; | |
1140 | ||
1141 | while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { | |
1142 | const u32 type = event->header.type; | |
ba3d7dee | 1143 | tracepoint_handler handler; |
514f1c67 | 1144 | struct perf_sample sample; |
514f1c67 | 1145 | |
efd5745e | 1146 | ++trace->nr_events; |
514f1c67 | 1147 | |
514f1c67 ACM |
1148 | err = perf_evlist__parse_sample(evlist, event, &sample); |
1149 | if (err) { | |
c24ff998 | 1150 | fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err); |
514f1c67 ACM |
1151 | continue; |
1152 | } | |
1153 | ||
752fde44 ACM |
1154 | if (trace->base_time == 0) |
1155 | trace->base_time = sample.time; | |
1156 | ||
1157 | if (type != PERF_RECORD_SAMPLE) { | |
c24ff998 | 1158 | trace__process_event(trace, &trace->host, event); |
752fde44 ACM |
1159 | continue; |
1160 | } | |
1161 | ||
514f1c67 ACM |
1162 | evsel = perf_evlist__id2evsel(evlist, sample.id); |
1163 | if (evsel == NULL) { | |
c24ff998 | 1164 | fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample.id); |
514f1c67 ACM |
1165 | continue; |
1166 | } | |
1167 | ||
fc551f8d | 1168 | if (sample.raw_data == NULL) { |
c24ff998 | 1169 | fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", |
fc551f8d ACM |
1170 | perf_evsel__name(evsel), sample.tid, |
1171 | sample.cpu, sample.raw_size); | |
1172 | continue; | |
1173 | } | |
1174 | ||
ba3d7dee ACM |
1175 | handler = evsel->handler.func; |
1176 | handler(trace, evsel, &sample); | |
20c5f10e ACM |
1177 | |
1178 | if (done) | |
1179 | goto out_unmap_evlist; | |
514f1c67 ACM |
1180 | } |
1181 | } | |
1182 | ||
efd5745e | 1183 | if (trace->nr_events == before) { |
f15eb531 | 1184 | if (done) |
3beb0861 | 1185 | goto out_unmap_evlist; |
f15eb531 | 1186 | |
514f1c67 | 1187 | poll(evlist->pollfd, evlist->nr_fds, -1); |
f15eb531 NK |
1188 | } |
1189 | ||
1190 | if (done) | |
1191 | perf_evlist__disable(evlist); | |
514f1c67 ACM |
1192 | |
1193 | goto again; | |
1194 | ||
3beb0861 NK |
1195 | out_unmap_evlist: |
1196 | perf_evlist__munmap(evlist); | |
1197 | out_close_evlist: | |
1198 | perf_evlist__close(evlist); | |
1199 | out_delete_maps: | |
1200 | perf_evlist__delete_maps(evlist); | |
514f1c67 ACM |
1201 | out_delete_evlist: |
1202 | perf_evlist__delete(evlist); | |
1203 | out: | |
1204 | return err; | |
1205 | } | |
1206 | ||
6810fc91 DA |
1207 | static int trace__replay(struct trace *trace) |
1208 | { | |
1209 | const struct perf_evsel_str_handler handlers[] = { | |
1210 | { "raw_syscalls:sys_enter", trace__sys_enter, }, | |
1211 | { "raw_syscalls:sys_exit", trace__sys_exit, }, | |
1212 | }; | |
1213 | ||
1214 | struct perf_session *session; | |
1215 | int err = -1; | |
1216 | ||
1217 | trace->tool.sample = trace__process_sample; | |
1218 | trace->tool.mmap = perf_event__process_mmap; | |
384c671e | 1219 | trace->tool.mmap2 = perf_event__process_mmap2; |
6810fc91 DA |
1220 | trace->tool.comm = perf_event__process_comm; |
1221 | trace->tool.exit = perf_event__process_exit; | |
1222 | trace->tool.fork = perf_event__process_fork; | |
1223 | trace->tool.attr = perf_event__process_attr; | |
1224 | trace->tool.tracing_data = perf_event__process_tracing_data; | |
1225 | trace->tool.build_id = perf_event__process_build_id; | |
1226 | ||
1227 | trace->tool.ordered_samples = true; | |
1228 | trace->tool.ordering_requires_timestamps = true; | |
1229 | ||
1230 | /* add tid to output */ | |
1231 | trace->multiple_threads = true; | |
1232 | ||
1233 | if (symbol__init() < 0) | |
1234 | return -1; | |
1235 | ||
1236 | session = perf_session__new(input_name, O_RDONLY, 0, false, | |
1237 | &trace->tool); | |
1238 | if (session == NULL) | |
1239 | return -ENOMEM; | |
1240 | ||
1241 | err = perf_session__set_tracepoints_handlers(session, handlers); | |
1242 | if (err) | |
1243 | goto out; | |
1244 | ||
1245 | if (!perf_session__has_tp(session, "raw_syscalls:sys_enter")) { | |
1246 | pr_err("Data file does not have raw_syscalls:sys_enter events\n"); | |
1247 | goto out; | |
1248 | } | |
1249 | ||
1250 | if (!perf_session__has_tp(session, "raw_syscalls:sys_exit")) { | |
1251 | pr_err("Data file does not have raw_syscalls:sys_exit events\n"); | |
1252 | goto out; | |
1253 | } | |
1254 | ||
bdc89661 DA |
1255 | err = parse_target_str(trace); |
1256 | if (err != 0) | |
1257 | goto out; | |
1258 | ||
6810fc91 DA |
1259 | setup_pager(); |
1260 | ||
1261 | err = perf_session__process_events(session, &trace->tool); | |
1262 | if (err) | |
1263 | pr_err("Failed to process events, error %d", err); | |
1264 | ||
1265 | out: | |
1266 | perf_session__delete(session); | |
1267 | ||
1268 | return err; | |
1269 | } | |
1270 | ||
1302d88e ACM |
1271 | static size_t trace__fprintf_threads_header(FILE *fp) |
1272 | { | |
1273 | size_t printed; | |
1274 | ||
1275 | printed = fprintf(fp, "\n _____________________________________________________________________\n"); | |
1276 | printed += fprintf(fp," __) Summary of events (__\n\n"); | |
1277 | printed += fprintf(fp," [ task - pid ] [ events ] [ ratio ] [ runtime ]\n"); | |
1278 | printed += fprintf(fp," _____________________________________________________________________\n\n"); | |
1279 | ||
1280 | return printed; | |
1281 | } | |
1282 | ||
1283 | static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp) | |
1284 | { | |
1285 | size_t printed = trace__fprintf_threads_header(fp); | |
1286 | struct rb_node *nd; | |
1287 | ||
1288 | for (nd = rb_first(&trace->host.threads); nd; nd = rb_next(nd)) { | |
1289 | struct thread *thread = rb_entry(nd, struct thread, rb_node); | |
1290 | struct thread_trace *ttrace = thread->priv; | |
1291 | const char *color; | |
1292 | double ratio; | |
1293 | ||
1294 | if (ttrace == NULL) | |
1295 | continue; | |
1296 | ||
1297 | ratio = (double)ttrace->nr_events / trace->nr_events * 100.0; | |
1298 | ||
1299 | color = PERF_COLOR_NORMAL; | |
1300 | if (ratio > 50.0) | |
1301 | color = PERF_COLOR_RED; | |
1302 | else if (ratio > 25.0) | |
1303 | color = PERF_COLOR_GREEN; | |
1304 | else if (ratio > 5.0) | |
1305 | color = PERF_COLOR_YELLOW; | |
1306 | ||
1307 | printed += color_fprintf(fp, color, "%20s", thread->comm); | |
38051234 | 1308 | printed += fprintf(fp, " - %-5d :%11lu [", thread->tid, ttrace->nr_events); |
1302d88e ACM |
1309 | printed += color_fprintf(fp, color, "%5.1f%%", ratio); |
1310 | printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms); | |
1311 | } | |
1312 | ||
1313 | return printed; | |
1314 | } | |
1315 | ||
ae9ed035 ACM |
1316 | static int trace__set_duration(const struct option *opt, const char *str, |
1317 | int unset __maybe_unused) | |
1318 | { | |
1319 | struct trace *trace = opt->value; | |
1320 | ||
1321 | trace->duration_filter = atof(str); | |
1322 | return 0; | |
1323 | } | |
1324 | ||
c24ff998 ACM |
1325 | static int trace__open_output(struct trace *trace, const char *filename) |
1326 | { | |
1327 | struct stat st; | |
1328 | ||
1329 | if (!stat(filename, &st) && st.st_size) { | |
1330 | char oldname[PATH_MAX]; | |
1331 | ||
1332 | scnprintf(oldname, sizeof(oldname), "%s.old", filename); | |
1333 | unlink(oldname); | |
1334 | rename(filename, oldname); | |
1335 | } | |
1336 | ||
1337 | trace->output = fopen(filename, "w"); | |
1338 | ||
1339 | return trace->output == NULL ? -errno : 0; | |
1340 | } | |
1341 | ||
514f1c67 ACM |
1342 | int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) |
1343 | { | |
1344 | const char * const trace_usage[] = { | |
f15eb531 NK |
1345 | "perf trace [<options>] [<command>]", |
1346 | "perf trace [<options>] -- <command> [<options>]", | |
514f1c67 ACM |
1347 | NULL |
1348 | }; | |
1349 | struct trace trace = { | |
1350 | .audit_machine = audit_detect_machine(), | |
1351 | .syscalls = { | |
1352 | . max = -1, | |
1353 | }, | |
1354 | .opts = { | |
1355 | .target = { | |
1356 | .uid = UINT_MAX, | |
1357 | .uses_mmap = true, | |
1358 | }, | |
1359 | .user_freq = UINT_MAX, | |
1360 | .user_interval = ULLONG_MAX, | |
1361 | .no_delay = true, | |
1362 | .mmap_pages = 1024, | |
1363 | }, | |
c24ff998 | 1364 | .output = stdout, |
514f1c67 | 1365 | }; |
c24ff998 | 1366 | const char *output_name = NULL; |
2ae3a312 | 1367 | const char *ev_qualifier_str = NULL; |
514f1c67 | 1368 | const struct option trace_options[] = { |
2ae3a312 ACM |
1369 | OPT_STRING('e', "expr", &ev_qualifier_str, "expr", |
1370 | "list of events to trace"), | |
c24ff998 | 1371 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
6810fc91 | 1372 | OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"), |
514f1c67 ACM |
1373 | OPT_STRING('p', "pid", &trace.opts.target.pid, "pid", |
1374 | "trace events on existing process id"), | |
ac9be8ee | 1375 | OPT_STRING('t', "tid", &trace.opts.target.tid, "tid", |
514f1c67 | 1376 | "trace events on existing thread id"), |
ac9be8ee | 1377 | OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide, |
514f1c67 | 1378 | "system-wide collection from all CPUs"), |
ac9be8ee | 1379 | OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu", |
514f1c67 | 1380 | "list of cpus to monitor"), |
6810fc91 | 1381 | OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit, |
514f1c67 | 1382 | "child tasks do not inherit counters"), |
ac9be8ee | 1383 | OPT_UINTEGER('m', "mmap-pages", &trace.opts.mmap_pages, |
514f1c67 | 1384 | "number of mmap data pages"), |
ac9be8ee | 1385 | OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user", |
514f1c67 | 1386 | "user to profile"), |
ae9ed035 ACM |
1387 | OPT_CALLBACK(0, "duration", &trace, "float", |
1388 | "show only events with duration > N.M ms", | |
1389 | trace__set_duration), | |
1302d88e | 1390 | OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"), |
7c304ee0 | 1391 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
514f1c67 ACM |
1392 | OPT_END() |
1393 | }; | |
1394 | int err; | |
32caf0d1 | 1395 | char bf[BUFSIZ]; |
514f1c67 ACM |
1396 | |
1397 | argc = parse_options(argc, argv, trace_options, trace_usage, 0); | |
514f1c67 | 1398 | |
c24ff998 ACM |
1399 | if (output_name != NULL) { |
1400 | err = trace__open_output(&trace, output_name); | |
1401 | if (err < 0) { | |
1402 | perror("failed to create output file"); | |
1403 | goto out; | |
1404 | } | |
1405 | } | |
1406 | ||
2ae3a312 | 1407 | if (ev_qualifier_str != NULL) { |
b059efdf ACM |
1408 | const char *s = ev_qualifier_str; |
1409 | ||
1410 | trace.not_ev_qualifier = *s == '!'; | |
1411 | if (trace.not_ev_qualifier) | |
1412 | ++s; | |
1413 | trace.ev_qualifier = strlist__new(true, s); | |
2ae3a312 | 1414 | if (trace.ev_qualifier == NULL) { |
c24ff998 ACM |
1415 | fputs("Not enough memory to parse event qualifier", |
1416 | trace.output); | |
1417 | err = -ENOMEM; | |
1418 | goto out_close; | |
2ae3a312 ACM |
1419 | } |
1420 | } | |
1421 | ||
32caf0d1 NK |
1422 | err = perf_target__validate(&trace.opts.target); |
1423 | if (err) { | |
1424 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); | |
c24ff998 ACM |
1425 | fprintf(trace.output, "%s", bf); |
1426 | goto out_close; | |
32caf0d1 NK |
1427 | } |
1428 | ||
514f1c67 ACM |
1429 | err = perf_target__parse_uid(&trace.opts.target); |
1430 | if (err) { | |
514f1c67 | 1431 | perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); |
c24ff998 ACM |
1432 | fprintf(trace.output, "%s", bf); |
1433 | goto out_close; | |
514f1c67 ACM |
1434 | } |
1435 | ||
f15eb531 | 1436 | if (!argc && perf_target__none(&trace.opts.target)) |
ee76120e NK |
1437 | trace.opts.target.system_wide = true; |
1438 | ||
6810fc91 DA |
1439 | if (input_name) |
1440 | err = trace__replay(&trace); | |
1441 | else | |
1442 | err = trace__run(&trace, argc, argv); | |
1302d88e ACM |
1443 | |
1444 | if (trace.sched && !err) | |
c24ff998 | 1445 | trace__fprintf_thread_summary(&trace, trace.output); |
1302d88e | 1446 | |
c24ff998 ACM |
1447 | out_close: |
1448 | if (output_name != NULL) | |
1449 | fclose(trace.output); | |
1450 | out: | |
1302d88e | 1451 | return err; |
514f1c67 | 1452 | } |