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