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perf trace: Add perf_event parameter to tracepoint_handler
[linux-block.git] / tools / perf / builtin-trace.c
CommitLineData
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"
97978b3e 14#include "trace-event.h"
9aca7f17 15#include "util/parse-events.h"
514f1c67
ACM		 16
17#include <libaudit.h>
18#include <stdlib.h>
49af9e93 19#include <sys/eventfd.h>
ae685380 20#include <sys/mman.h>
f9da0b0c 21#include <linux/futex.h>
514f1c67 22
456857bd
IM		 23/* For older distros: */
24#ifndef MAP_STACK
25# define MAP_STACK 0x20000
26#endif
27
28#ifndef MADV_HWPOISON
29# define MADV_HWPOISON 100
30#endif
31
32#ifndef MADV_MERGEABLE
33# define MADV_MERGEABLE 12
34#endif
35
36#ifndef MADV_UNMERGEABLE
37# define MADV_UNMERGEABLE 13
38#endif
39
79d26a6a
BH		 40#ifndef EFD_SEMAPHORE
41# define EFD_SEMAPHORE 1
42#endif
43
77170988
ACM		 44struct tp_field {
45 int offset;
46 union {
47 u64 (*integer)(struct tp_field *field, struct perf_sample *sample);
48 void *(*pointer)(struct tp_field *field, struct perf_sample *sample);
49 };
50};
51
52#define TP_UINT_FIELD(bits) \
53static u64 tp_field__u##bits(struct tp_field *field, struct perf_sample *sample) \
54{ \
55 return *(u##bits *)(sample->raw_data + field->offset); \
56}
57
58TP_UINT_FIELD(8);
59TP_UINT_FIELD(16);
60TP_UINT_FIELD(32);
61TP_UINT_FIELD(64);
62
63#define TP_UINT_FIELD__SWAPPED(bits) \
64static u64 tp_field__swapped_u##bits(struct tp_field *field, struct perf_sample *sample) \
65{ \
66 u##bits value = *(u##bits *)(sample->raw_data + field->offset); \
67 return bswap_##bits(value);\
68}
69
70TP_UINT_FIELD__SWAPPED(16);
71TP_UINT_FIELD__SWAPPED(32);
72TP_UINT_FIELD__SWAPPED(64);
73
74static int tp_field__init_uint(struct tp_field *field,
75 struct format_field *format_field,
76 bool needs_swap)
77{
78 field->offset = format_field->offset;
79
80 switch (format_field->size) {
81 case 1:
82 field->integer = tp_field__u8;
83 break;
84 case 2:
85 field->integer = needs_swap ? tp_field__swapped_u16 : tp_field__u16;
86 break;
87 case 4:
88 field->integer = needs_swap ? tp_field__swapped_u32 : tp_field__u32;
89 break;
90 case 8:
91 field->integer = needs_swap ? tp_field__swapped_u64 : tp_field__u64;
92 break;
93 default:
94 return -1;
95 }
96
97 return 0;
98}
99
100static void *tp_field__ptr(struct tp_field *field, struct perf_sample *sample)
101{
102 return sample->raw_data + field->offset;
103}
104
105static int tp_field__init_ptr(struct tp_field *field, struct format_field *format_field)
106{
107 field->offset = format_field->offset;
108 field->pointer = tp_field__ptr;
109 return 0;
110}
111
112struct syscall_tp {
113 struct tp_field id;
114 union {
115 struct tp_field args, ret;
116 };
117};
118
119static int perf_evsel__init_tp_uint_field(struct perf_evsel *evsel,
120 struct tp_field *field,
121 const char *name)
122{
123 struct format_field *format_field = perf_evsel__field(evsel, name);
124
125 if (format_field == NULL)
126 return -1;
127
128 return tp_field__init_uint(field, format_field, evsel->needs_swap);
129}
130
131#define perf_evsel__init_sc_tp_uint_field(evsel, name) \
132 ({ struct syscall_tp *sc = evsel->priv;\
133 perf_evsel__init_tp_uint_field(evsel, &sc->name, #name); })
134
135static int perf_evsel__init_tp_ptr_field(struct perf_evsel *evsel,
136 struct tp_field *field,
137 const char *name)
138{
139 struct format_field *format_field = perf_evsel__field(evsel, name);
140
141 if (format_field == NULL)
142 return -1;
143
144 return tp_field__init_ptr(field, format_field);
145}
146
147#define perf_evsel__init_sc_tp_ptr_field(evsel, name) \
148 ({ struct syscall_tp *sc = evsel->priv;\
149 perf_evsel__init_tp_ptr_field(evsel, &sc->name, #name); })
150
151static void perf_evsel__delete_priv(struct perf_evsel *evsel)
152{
04662523 153 zfree(&evsel->priv);
77170988
ACM		 154 perf_evsel__delete(evsel);
155}
156
96695d44
NK		 157static int perf_evsel__init_syscall_tp(struct perf_evsel *evsel, void *handler)
158{
159 evsel->priv = malloc(sizeof(struct syscall_tp));
160 if (evsel->priv != NULL) {
161 if (perf_evsel__init_sc_tp_uint_field(evsel, id))
162 goto out_delete;
163
164 evsel->handler = handler;
165 return 0;
166 }
167
168 return -ENOMEM;
169
170out_delete:
04662523 171 zfree(&evsel->priv);
96695d44
NK		 172 return -ENOENT;
173}
174
ef503831 175static struct perf_evsel *perf_evsel__syscall_newtp(const char *direction, void *handler)
77170988 176{
ef503831 177 struct perf_evsel *evsel = perf_evsel__newtp("raw_syscalls", direction);
77170988 178
9aca7f17
DA		 179 /* older kernel (e.g., RHEL6) use syscalls:{enter,exit} */
180 if (evsel == NULL)
181 evsel = perf_evsel__newtp("syscalls", direction);
182
77170988 183 if (evsel) {
96695d44 184 if (perf_evsel__init_syscall_tp(evsel, handler))
77170988 185 goto out_delete;
77170988
ACM		 186 }
187
188 return evsel;
189
190out_delete:
191 perf_evsel__delete_priv(evsel);
192 return NULL;
193}
194
195#define perf_evsel__sc_tp_uint(evsel, name, sample) \
196 ({ struct syscall_tp *fields = evsel->priv; \
197 fields->name.integer(&fields->name, sample); })
198
199#define perf_evsel__sc_tp_ptr(evsel, name, sample) \
200 ({ struct syscall_tp *fields = evsel->priv; \
201 fields->name.pointer(&fields->name, sample); })
202
203static int perf_evlist__add_syscall_newtp(struct perf_evlist *evlist,
204 void *sys_enter_handler,
205 void *sys_exit_handler)
206{
207 int ret = -1;
77170988
ACM		 208 struct perf_evsel *sys_enter, *sys_exit;
209
ef503831 210 sys_enter = perf_evsel__syscall_newtp("sys_enter", sys_enter_handler);
77170988
ACM		 211 if (sys_enter == NULL)
212 goto out;
213
214 if (perf_evsel__init_sc_tp_ptr_field(sys_enter, args))
215 goto out_delete_sys_enter;
216
ef503831 217 sys_exit = perf_evsel__syscall_newtp("sys_exit", sys_exit_handler);
77170988
ACM		 218 if (sys_exit == NULL)
219 goto out_delete_sys_enter;
220
221 if (perf_evsel__init_sc_tp_uint_field(sys_exit, ret))
222 goto out_delete_sys_exit;
223
224 perf_evlist__add(evlist, sys_enter);
225 perf_evlist__add(evlist, sys_exit);
226
227 ret = 0;
228out:
229 return ret;
230
231out_delete_sys_exit:
232 perf_evsel__delete_priv(sys_exit);
233out_delete_sys_enter:
234 perf_evsel__delete_priv(sys_enter);
235 goto out;
236}
237
238
01533e97
ACM		 239struct syscall_arg {
240 unsigned long val;
75b757ca
ACM		 241 struct thread *thread;
242 struct trace *trace;
1f115cb7 243 void *parm;
01533e97
ACM		 244 u8 idx;
245 u8 mask;
246};
247
1f115cb7 248struct strarray {
03e3adc9 249 int offset;
1f115cb7
ACM		 250 int nr_entries;
251 const char **entries;
252};
253
254#define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \
255 .nr_entries = ARRAY_SIZE(array), \
256 .entries = array, \
257}
258
03e3adc9
ACM		 259#define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \
260 .offset = off, \
261 .nr_entries = ARRAY_SIZE(array), \
262 .entries = array, \
263}
264
975b7c2f
ACM		 265static size_t __syscall_arg__scnprintf_strarray(char *bf, size_t size,
266 const char *intfmt,
267 struct syscall_arg *arg)
1f115cb7 268{
1f115cb7 269 struct strarray *sa = arg->parm;
03e3adc9 270 int idx = arg->val - sa->offset;
1f115cb7
ACM		 271
272 if (idx < 0 || idx >= sa->nr_entries)
975b7c2f 273 return scnprintf(bf, size, intfmt, arg->val);
1f115cb7
ACM		 274
275 return scnprintf(bf, size, "%s", sa->entries[idx]);
276}
277
975b7c2f
ACM		 278static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size,
279 struct syscall_arg *arg)
280{
281 return __syscall_arg__scnprintf_strarray(bf, size, "%d", arg);
282}
283
1f115cb7
ACM		 284#define SCA_STRARRAY syscall_arg__scnprintf_strarray
285
844ae5b4
ACM		 286#if defined(__i386__) || defined(__x86_64__)
287/*
288 * FIXME: Make this available to all arches as soon as the ioctl beautifier
289 * gets rewritten to support all arches.
290 */
78645cf3
ACM		 291static size_t syscall_arg__scnprintf_strhexarray(char *bf, size_t size,
292 struct syscall_arg *arg)
293{
294 return __syscall_arg__scnprintf_strarray(bf, size, "%#x", arg);
295}
296
297#define SCA_STRHEXARRAY syscall_arg__scnprintf_strhexarray
844ae5b4 298#endif /* defined(__i386__) || defined(__x86_64__) */
78645cf3 299
75b757ca
ACM		 300static size_t syscall_arg__scnprintf_fd(char *bf, size_t size,
301 struct syscall_arg *arg);
302
303#define SCA_FD syscall_arg__scnprintf_fd
304
305static size_t syscall_arg__scnprintf_fd_at(char *bf, size_t size,
306 struct syscall_arg *arg)
307{
308 int fd = arg->val;
309
310 if (fd == AT_FDCWD)
311 return scnprintf(bf, size, "CWD");
312
313 return syscall_arg__scnprintf_fd(bf, size, arg);
314}
315
316#define SCA_FDAT syscall_arg__scnprintf_fd_at
317
318static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size,
319 struct syscall_arg *arg);
320
321#define SCA_CLOSE_FD syscall_arg__scnprintf_close_fd
322
6e7eeb51 323static size_t syscall_arg__scnprintf_hex(char *bf, size_t size,
01533e97 324 struct syscall_arg *arg)
13d4ff3e 325{
01533e97 326 return scnprintf(bf, size, "%#lx", arg->val);
13d4ff3e
ACM		 327}
328
beccb2b5
ACM		 329#define SCA_HEX syscall_arg__scnprintf_hex
330
6e7eeb51 331static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,
01533e97 332 struct syscall_arg *arg)
ae685380 333{
01533e97 334 int printed = 0, prot = arg->val;
ae685380
ACM		 335
336 if (prot == PROT_NONE)
337 return scnprintf(bf, size, "NONE");
338#define P_MMAP_PROT(n) \
339 if (prot & PROT_##n) { \
340 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
341 prot &= ~PROT_##n; \
342 }
343
344 P_MMAP_PROT(EXEC);
345 P_MMAP_PROT(READ);
346 P_MMAP_PROT(WRITE);
347#ifdef PROT_SEM
348 P_MMAP_PROT(SEM);
349#endif
350 P_MMAP_PROT(GROWSDOWN);
351 P_MMAP_PROT(GROWSUP);
352#undef P_MMAP_PROT
353
354 if (prot)
355 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot);
356
357 return printed;
358}
359
360#define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot
361
6e7eeb51 362static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
01533e97 363 struct syscall_arg *arg)
941557e0 364{
01533e97 365 int printed = 0, flags = arg->val;
941557e0
ACM		 366
367#define P_MMAP_FLAG(n) \
368 if (flags & MAP_##n) { \
369 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
370 flags &= ~MAP_##n; \
371 }
372
373 P_MMAP_FLAG(SHARED);
374 P_MMAP_FLAG(PRIVATE);
41817815 375#ifdef MAP_32BIT
941557e0 376 P_MMAP_FLAG(32BIT);
41817815 377#endif
941557e0
ACM		 378 P_MMAP_FLAG(ANONYMOUS);
379 P_MMAP_FLAG(DENYWRITE);
380 P_MMAP_FLAG(EXECUTABLE);
381 P_MMAP_FLAG(FILE);
382 P_MMAP_FLAG(FIXED);
383 P_MMAP_FLAG(GROWSDOWN);
f2935f3e 384#ifdef MAP_HUGETLB
941557e0 385 P_MMAP_FLAG(HUGETLB);
f2935f3e 386#endif
941557e0
ACM		 387 P_MMAP_FLAG(LOCKED);
388 P_MMAP_FLAG(NONBLOCK);
389 P_MMAP_FLAG(NORESERVE);
390 P_MMAP_FLAG(POPULATE);
391 P_MMAP_FLAG(STACK);
392#ifdef MAP_UNINITIALIZED
393 P_MMAP_FLAG(UNINITIALIZED);
394#endif
395#undef P_MMAP_FLAG
396
397 if (flags)
398 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
399
400 return printed;
401}
402
403#define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
404
6e7eeb51 405static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
01533e97 406 struct syscall_arg *arg)
9e9716d1 407{
01533e97 408 int behavior = arg->val;
9e9716d1
ACM		 409
410 switch (behavior) {
411#define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n)
412 P_MADV_BHV(NORMAL);
413 P_MADV_BHV(RANDOM);
414 P_MADV_BHV(SEQUENTIAL);
415 P_MADV_BHV(WILLNEED);
416 P_MADV_BHV(DONTNEED);
417 P_MADV_BHV(REMOVE);
418 P_MADV_BHV(DONTFORK);
419 P_MADV_BHV(DOFORK);
420 P_MADV_BHV(HWPOISON);
421#ifdef MADV_SOFT_OFFLINE
422 P_MADV_BHV(SOFT_OFFLINE);
423#endif
424 P_MADV_BHV(MERGEABLE);
425 P_MADV_BHV(UNMERGEABLE);
f2935f3e 426#ifdef MADV_HUGEPAGE
9e9716d1 427 P_MADV_BHV(HUGEPAGE);
f2935f3e
DA		 428#endif
429#ifdef MADV_NOHUGEPAGE
9e9716d1 430 P_MADV_BHV(NOHUGEPAGE);
f2935f3e 431#endif
9e9716d1
ACM		 432#ifdef MADV_DONTDUMP
433 P_MADV_BHV(DONTDUMP);
434#endif
435#ifdef MADV_DODUMP
436 P_MADV_BHV(DODUMP);
437#endif
438#undef P_MADV_PHV
439 default: break;
440 }
441
442 return scnprintf(bf, size, "%#x", behavior);
443}
444
445#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior
446
5cea6ff2
ACM		 447static size_t syscall_arg__scnprintf_flock(char *bf, size_t size,
448 struct syscall_arg *arg)
449{
450 int printed = 0, op = arg->val;
451
452 if (op == 0)
453 return scnprintf(bf, size, "NONE");
454#define P_CMD(cmd) \
455 if ((op & LOCK_##cmd) == LOCK_##cmd) { \
456 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \
457 op &= ~LOCK_##cmd; \
458 }
459
460 P_CMD(SH);
461 P_CMD(EX);
462 P_CMD(NB);
463 P_CMD(UN);
464 P_CMD(MAND);
465 P_CMD(RW);
466 P_CMD(READ);
467 P_CMD(WRITE);
468#undef P_OP
469
470 if (op)
471 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op);
472
473 return printed;
474}
475
476#define SCA_FLOCK syscall_arg__scnprintf_flock
477
01533e97 478static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg)
f9da0b0c
ACM		 479{
480 enum syscall_futex_args {
481 SCF_UADDR = (1 << 0),
482 SCF_OP = (1 << 1),
483 SCF_VAL = (1 << 2),
484 SCF_TIMEOUT = (1 << 3),
485 SCF_UADDR2 = (1 << 4),
486 SCF_VAL3 = (1 << 5),
487 };
01533e97 488 int op = arg->val;
f9da0b0c
ACM		 489 int cmd = op & FUTEX_CMD_MASK;
490 size_t printed = 0;
491
492 switch (cmd) {
493#define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, #n);
01533e97
ACM		 494 P_FUTEX_OP(WAIT); arg->mask |= SCF_VAL3|SCF_UADDR2; break;
495 P_FUTEX_OP(WAKE); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
496 P_FUTEX_OP(FD); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
497 P_FUTEX_OP(REQUEUE); arg->mask |= SCF_VAL3|SCF_TIMEOUT; break;
498 P_FUTEX_OP(CMP_REQUEUE); arg->mask |= SCF_TIMEOUT; break;
499 P_FUTEX_OP(CMP_REQUEUE_PI); arg->mask |= SCF_TIMEOUT; break;
f9da0b0c 500 P_FUTEX_OP(WAKE_OP); break;
01533e97
ACM		 501 P_FUTEX_OP(LOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
502 P_FUTEX_OP(UNLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
503 P_FUTEX_OP(TRYLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2; break;
504 P_FUTEX_OP(WAIT_BITSET); arg->mask |= SCF_UADDR2; break;
505 P_FUTEX_OP(WAKE_BITSET); arg->mask |= SCF_UADDR2; break;
f9da0b0c
ACM		 506 P_FUTEX_OP(WAIT_REQUEUE_PI); break;
507 default: printed = scnprintf(bf, size, "%#x", cmd); break;
508 }
509
510 if (op & FUTEX_PRIVATE_FLAG)
511 printed += scnprintf(bf + printed, size - printed, "|PRIV");
512
513 if (op & FUTEX_CLOCK_REALTIME)
514 printed += scnprintf(bf + printed, size - printed, "|CLKRT");
515
516 return printed;
517}
518
efe6b882
ACM		 519#define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op
520
03e3adc9
ACM		 521static const char *epoll_ctl_ops[] = { "ADD", "DEL", "MOD", };
522static DEFINE_STRARRAY_OFFSET(epoll_ctl_ops, 1);
eac032c5 523
1f115cb7
ACM		 524static const char *itimers[] = { "REAL", "VIRTUAL", "PROF", };
525static DEFINE_STRARRAY(itimers);
526
efe6b882
ACM		 527static const char *whences[] = { "SET", "CUR", "END",
528#ifdef SEEK_DATA
529"DATA",
530#endif
531#ifdef SEEK_HOLE
532"HOLE",
533#endif
534};
535static DEFINE_STRARRAY(whences);
f9da0b0c 536
80f587d5
ACM		 537static const char *fcntl_cmds[] = {
538 "DUPFD", "GETFD", "SETFD", "GETFL", "SETFL", "GETLK", "SETLK",
539 "SETLKW", "SETOWN", "GETOWN", "SETSIG", "GETSIG", "F_GETLK64",
540 "F_SETLK64", "F_SETLKW64", "F_SETOWN_EX", "F_GETOWN_EX",
541 "F_GETOWNER_UIDS",
542};
543static DEFINE_STRARRAY(fcntl_cmds);
544
c045bf02
ACM		 545static const char *rlimit_resources[] = {
546 "CPU", "FSIZE", "DATA", "STACK", "CORE", "RSS", "NPROC", "NOFILE",
547 "MEMLOCK", "AS", "LOCKS", "SIGPENDING", "MSGQUEUE", "NICE", "RTPRIO",
548 "RTTIME",
549};
550static DEFINE_STRARRAY(rlimit_resources);
551
eb5b1b14
ACM		 552static const char *sighow[] = { "BLOCK", "UNBLOCK", "SETMASK", };
553static DEFINE_STRARRAY(sighow);
554
4f8c1b74
DA		 555static const char *clockid[] = {
556 "REALTIME", "MONOTONIC", "PROCESS_CPUTIME_ID", "THREAD_CPUTIME_ID",
557 "MONOTONIC_RAW", "REALTIME_COARSE", "MONOTONIC_COARSE",
558};
559static DEFINE_STRARRAY(clockid);
560
e10bce81
ACM		 561static const char *socket_families[] = {
562 "UNSPEC", "LOCAL", "INET", "AX25", "IPX", "APPLETALK", "NETROM",
563 "BRIDGE", "ATMPVC", "X25", "INET6", "ROSE", "DECnet", "NETBEUI",
564 "SECURITY", "KEY", "NETLINK", "PACKET", "ASH", "ECONET", "ATMSVC",
565 "RDS", "SNA", "IRDA", "PPPOX", "WANPIPE", "LLC", "IB", "CAN", "TIPC",
566 "BLUETOOTH", "IUCV", "RXRPC", "ISDN", "PHONET", "IEEE802154", "CAIF",
567 "ALG", "NFC", "VSOCK",
568};
569static DEFINE_STRARRAY(socket_families);
570
a28b24b2
ACM		 571#ifndef SOCK_TYPE_MASK
572#define SOCK_TYPE_MASK 0xf
573#endif
574
575static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size,
576 struct syscall_arg *arg)
577{
578 size_t printed;
579 int type = arg->val,
580 flags = type & ~SOCK_TYPE_MASK;
581
582 type &= SOCK_TYPE_MASK;
583 /*
584 * Can't use a strarray, MIPS may override for ABI reasons.
585 */
586 switch (type) {
587#define P_SK_TYPE(n) case SOCK_##n: printed = scnprintf(bf, size, #n); break;
588 P_SK_TYPE(STREAM);
589 P_SK_TYPE(DGRAM);
590 P_SK_TYPE(RAW);
591 P_SK_TYPE(RDM);
592 P_SK_TYPE(SEQPACKET);
593 P_SK_TYPE(DCCP);
594 P_SK_TYPE(PACKET);
595#undef P_SK_TYPE
596 default:
597 printed = scnprintf(bf, size, "%#x", type);
598 }
599
600#define P_SK_FLAG(n) \
601 if (flags & SOCK_##n) { \
602 printed += scnprintf(bf + printed, size - printed, "|%s", #n); \
603 flags &= ~SOCK_##n; \
604 }
605
606 P_SK_FLAG(CLOEXEC);
607 P_SK_FLAG(NONBLOCK);
608#undef P_SK_FLAG
609
610 if (flags)
611 printed += scnprintf(bf + printed, size - printed, "|%#x", flags);
612
613 return printed;
614}
615
616#define SCA_SK_TYPE syscall_arg__scnprintf_socket_type
617
b2cc99fd
ACM		 618#ifndef MSG_PROBE
619#define MSG_PROBE 0x10
620#endif
b6e8f8f4
DA		 621#ifndef MSG_WAITFORONE
622#define MSG_WAITFORONE 0x10000
623#endif
b2cc99fd
ACM		 624#ifndef MSG_SENDPAGE_NOTLAST
625#define MSG_SENDPAGE_NOTLAST 0x20000
626#endif
627#ifndef MSG_FASTOPEN
628#define MSG_FASTOPEN 0x20000000
629#endif
630
631static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size,
632 struct syscall_arg *arg)
633{
634 int printed = 0, flags = arg->val;
635
636 if (flags == 0)
637 return scnprintf(bf, size, "NONE");
638#define P_MSG_FLAG(n) \
639 if (flags & MSG_##n) { \
640 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
641 flags &= ~MSG_##n; \
642 }
643
644 P_MSG_FLAG(OOB);
645 P_MSG_FLAG(PEEK);
646 P_MSG_FLAG(DONTROUTE);
647 P_MSG_FLAG(TRYHARD);
648 P_MSG_FLAG(CTRUNC);
649 P_MSG_FLAG(PROBE);
650 P_MSG_FLAG(TRUNC);
651 P_MSG_FLAG(DONTWAIT);
652 P_MSG_FLAG(EOR);
653 P_MSG_FLAG(WAITALL);
654 P_MSG_FLAG(FIN);
655 P_MSG_FLAG(SYN);
656 P_MSG_FLAG(CONFIRM);
657 P_MSG_FLAG(RST);
658 P_MSG_FLAG(ERRQUEUE);
659 P_MSG_FLAG(NOSIGNAL);
660 P_MSG_FLAG(MORE);
661 P_MSG_FLAG(WAITFORONE);
662 P_MSG_FLAG(SENDPAGE_NOTLAST);
663 P_MSG_FLAG(FASTOPEN);
664 P_MSG_FLAG(CMSG_CLOEXEC);
665#undef P_MSG_FLAG
666
667 if (flags)
668 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
669
670 return printed;
671}
672
673#define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags
674
51108999
ACM		 675static size_t syscall_arg__scnprintf_access_mode(char *bf, size_t size,
676 struct syscall_arg *arg)
677{
678 size_t printed = 0;
679 int mode = arg->val;
680
681 if (mode == F_OK) /* 0 */
682 return scnprintf(bf, size, "F");
683#define P_MODE(n) \
684 if (mode & n##_OK) { \
685 printed += scnprintf(bf + printed, size - printed, "%s", #n); \
686 mode &= ~n##_OK; \
687 }
688
689 P_MODE(R);
690 P_MODE(W);
691 P_MODE(X);
692#undef P_MODE
693
694 if (mode)
695 printed += scnprintf(bf + printed, size - printed, "|%#x", mode);
696
697 return printed;
698}
699
700#define SCA_ACCMODE syscall_arg__scnprintf_access_mode
701
be65a89a 702static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size,
01533e97 703 struct syscall_arg *arg)
be65a89a 704{
01533e97 705 int printed = 0, flags = arg->val;
be65a89a
ACM		 706
707 if (!(flags & O_CREAT))
01533e97 708 arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */
be65a89a
ACM		 709
710 if (flags == 0)
711 return scnprintf(bf, size, "RDONLY");
712#define P_FLAG(n) \
713 if (flags & O_##n) { \
714 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
715 flags &= ~O_##n; \
716 }
717
718 P_FLAG(APPEND);
719 P_FLAG(ASYNC);
720 P_FLAG(CLOEXEC);
721 P_FLAG(CREAT);
722 P_FLAG(DIRECT);
723 P_FLAG(DIRECTORY);
724 P_FLAG(EXCL);
725 P_FLAG(LARGEFILE);
726 P_FLAG(NOATIME);
727 P_FLAG(NOCTTY);
728#ifdef O_NONBLOCK
729 P_FLAG(NONBLOCK);
730#elif O_NDELAY
731 P_FLAG(NDELAY);
732#endif
733#ifdef O_PATH
734 P_FLAG(PATH);
735#endif
736 P_FLAG(RDWR);
737#ifdef O_DSYNC
738 if ((flags & O_SYNC) == O_SYNC)
739 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC");
740 else {
741 P_FLAG(DSYNC);
742 }
743#else
744 P_FLAG(SYNC);
745#endif
746 P_FLAG(TRUNC);
747 P_FLAG(WRONLY);
748#undef P_FLAG
749
750 if (flags)
751 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
752
753 return printed;
754}
755
756#define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags
757
49af9e93
ACM		 758static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size,
759 struct syscall_arg *arg)
760{
761 int printed = 0, flags = arg->val;
762
763 if (flags == 0)
764 return scnprintf(bf, size, "NONE");
765#define P_FLAG(n) \
766 if (flags & EFD_##n) { \
767 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
768 flags &= ~EFD_##n; \
769 }
770
771 P_FLAG(SEMAPHORE);
772 P_FLAG(CLOEXEC);
773 P_FLAG(NONBLOCK);
774#undef P_FLAG
775
776 if (flags)
777 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
778
779 return printed;
780}
781
782#define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags
783
46cce19b
ACM		 784static size_t syscall_arg__scnprintf_pipe_flags(char *bf, size_t size,
785 struct syscall_arg *arg)
786{
787 int printed = 0, flags = arg->val;
788
789#define P_FLAG(n) \
790 if (flags & O_##n) { \
791 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
792 flags &= ~O_##n; \
793 }
794
795 P_FLAG(CLOEXEC);
796 P_FLAG(NONBLOCK);
797#undef P_FLAG
798
799 if (flags)
800 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
801
802 return printed;
803}
804
805#define SCA_PIPE_FLAGS syscall_arg__scnprintf_pipe_flags
806
8bad5b0a
ACM		 807static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg)
808{
809 int sig = arg->val;
810
811 switch (sig) {
812#define P_SIGNUM(n) case SIG##n: return scnprintf(bf, size, #n)
813 P_SIGNUM(HUP);
814 P_SIGNUM(INT);
815 P_SIGNUM(QUIT);
816 P_SIGNUM(ILL);
817 P_SIGNUM(TRAP);
818 P_SIGNUM(ABRT);
819 P_SIGNUM(BUS);
820 P_SIGNUM(FPE);
821 P_SIGNUM(KILL);
822 P_SIGNUM(USR1);
823 P_SIGNUM(SEGV);
824 P_SIGNUM(USR2);
825 P_SIGNUM(PIPE);
826 P_SIGNUM(ALRM);
827 P_SIGNUM(TERM);
8bad5b0a
ACM		 828 P_SIGNUM(CHLD);
829 P_SIGNUM(CONT);
830 P_SIGNUM(STOP);
831 P_SIGNUM(TSTP);
832 P_SIGNUM(TTIN);
833 P_SIGNUM(TTOU);
834 P_SIGNUM(URG);
835 P_SIGNUM(XCPU);
836 P_SIGNUM(XFSZ);
837 P_SIGNUM(VTALRM);
838 P_SIGNUM(PROF);
839 P_SIGNUM(WINCH);
840 P_SIGNUM(IO);
841 P_SIGNUM(PWR);
842 P_SIGNUM(SYS);
02c5bb4a
BH		 843#ifdef SIGEMT
844 P_SIGNUM(EMT);
845#endif
846#ifdef SIGSTKFLT
847 P_SIGNUM(STKFLT);
848#endif
849#ifdef SIGSWI
850 P_SIGNUM(SWI);
851#endif
8bad5b0a
ACM		 852 default: break;
853 }
854
855 return scnprintf(bf, size, "%#x", sig);
856}
857
858#define SCA_SIGNUM syscall_arg__scnprintf_signum
859
844ae5b4
ACM		 860#if defined(__i386__) || defined(__x86_64__)
861/*
862 * FIXME: Make this available to all arches.
863 */
78645cf3
ACM		 864#define TCGETS 0x5401
865
866static const char *tioctls[] = {
867 "TCGETS", "TCSETS", "TCSETSW", "TCSETSF", "TCGETA", "TCSETA", "TCSETAW",
868 "TCSETAF", "TCSBRK", "TCXONC", "TCFLSH", "TIOCEXCL", "TIOCNXCL",
869 "TIOCSCTTY", "TIOCGPGRP", "TIOCSPGRP", "TIOCOUTQ", "TIOCSTI",
870 "TIOCGWINSZ", "TIOCSWINSZ", "TIOCMGET", "TIOCMBIS", "TIOCMBIC",
871 "TIOCMSET", "TIOCGSOFTCAR", "TIOCSSOFTCAR", "FIONREAD", "TIOCLINUX",
872 "TIOCCONS", "TIOCGSERIAL", "TIOCSSERIAL", "TIOCPKT", "FIONBIO",
873 "TIOCNOTTY", "TIOCSETD", "TIOCGETD", "TCSBRKP", [0x27] = "TIOCSBRK",
874 "TIOCCBRK", "TIOCGSID", "TCGETS2", "TCSETS2", "TCSETSW2", "TCSETSF2",
875 "TIOCGRS485", "TIOCSRS485", "TIOCGPTN", "TIOCSPTLCK",
876 "TIOCGDEV||TCGETX", "TCSETX", "TCSETXF", "TCSETXW", "TIOCSIG",
877 "TIOCVHANGUP", "TIOCGPKT", "TIOCGPTLCK", "TIOCGEXCL",
878 [0x50] = "FIONCLEX", "FIOCLEX", "FIOASYNC", "TIOCSERCONFIG",
879 "TIOCSERGWILD", "TIOCSERSWILD", "TIOCGLCKTRMIOS", "TIOCSLCKTRMIOS",
880 "TIOCSERGSTRUCT", "TIOCSERGETLSR", "TIOCSERGETMULTI", "TIOCSERSETMULTI",
881 "TIOCMIWAIT", "TIOCGICOUNT", [0x60] = "FIOQSIZE",
882};
883
884static DEFINE_STRARRAY_OFFSET(tioctls, 0x5401);
844ae5b4 885#endif /* defined(__i386__) || defined(__x86_64__) */
78645cf3 886
453350dd
ACM		 887#define STRARRAY(arg, name, array) \
888 .arg_scnprintf = { [arg] = SCA_STRARRAY, }, \
889 .arg_parm = { [arg] = &strarray__##array, }
890
514f1c67
ACM		 891static struct syscall_fmt {
892 const char *name;
aec1930b 893 const char *alias;
01533e97 894 size_t (*arg_scnprintf[6])(char *bf, size_t size, struct syscall_arg *arg);
1f115cb7 895 void *arg_parm[6];
514f1c67
ACM		 896 bool errmsg;
897 bool timeout;
04b34729 898 bool hexret;
514f1c67 899} syscall_fmts[] = {
51108999
ACM		 900 { .name = "access", .errmsg = true,
901 .arg_scnprintf = { [1] = SCA_ACCMODE, /* mode */ }, },
aec1930b 902 { .name = "arch_prctl", .errmsg = true, .alias = "prctl", },
beccb2b5
ACM		 903 { .name = "brk", .hexret = true,
904 .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, },
4f8c1b74 905 { .name = "clock_gettime", .errmsg = true, STRARRAY(0, clk_id, clockid), },
75b757ca
ACM		 906 { .name = "close", .errmsg = true,
907 .arg_scnprintf = { [0] = SCA_CLOSE_FD, /* fd */ }, },
a14bb860 908 { .name = "connect", .errmsg = true, },
75b757ca
ACM		 909 { .name = "dup", .errmsg = true,
910 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
911 { .name = "dup2", .errmsg = true,
912 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
913 { .name = "dup3", .errmsg = true,
914 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
453350dd 915 { .name = "epoll_ctl", .errmsg = true, STRARRAY(1, op, epoll_ctl_ops), },
49af9e93
ACM		 916 { .name = "eventfd2", .errmsg = true,
917 .arg_scnprintf = { [1] = SCA_EFD_FLAGS, /* flags */ }, },
75b757ca
ACM		 918 { .name = "faccessat", .errmsg = true,
919 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
920 { .name = "fadvise64", .errmsg = true,
921 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
922 { .name = "fallocate", .errmsg = true,
923 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
924 { .name = "fchdir", .errmsg = true,
925 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
926 { .name = "fchmod", .errmsg = true,
927 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
928 { .name = "fchmodat", .errmsg = true,
929 .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
930 { .name = "fchown", .errmsg = true,
931 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
932 { .name = "fchownat", .errmsg = true,
933 .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
934 { .name = "fcntl", .errmsg = true,
935 .arg_scnprintf = { [0] = SCA_FD, /* fd */
936 [1] = SCA_STRARRAY, /* cmd */ },
937 .arg_parm = { [1] = &strarray__fcntl_cmds, /* cmd */ }, },
938 { .name = "fdatasync", .errmsg = true,
939 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
5cea6ff2 940 { .name = "flock", .errmsg = true,
75b757ca
ACM		 941 .arg_scnprintf = { [0] = SCA_FD, /* fd */
942 [1] = SCA_FLOCK, /* cmd */ }, },
943 { .name = "fsetxattr", .errmsg = true,
944 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
945 { .name = "fstat", .errmsg = true, .alias = "newfstat",
946 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
947 { .name = "fstatat", .errmsg = true, .alias = "newfstatat",
948 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
949 { .name = "fstatfs", .errmsg = true,
950 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
951 { .name = "fsync", .errmsg = true,
952 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
953 { .name = "ftruncate", .errmsg = true,
954 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
f9da0b0c
ACM		 955 { .name = "futex", .errmsg = true,
956 .arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, },
75b757ca
ACM		 957 { .name = "futimesat", .errmsg = true,
958 .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
959 { .name = "getdents", .errmsg = true,
960 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
961 { .name = "getdents64", .errmsg = true,
962 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
453350dd
ACM		 963 { .name = "getitimer", .errmsg = true, STRARRAY(0, which, itimers), },
964 { .name = "getrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), },
beccb2b5 965 { .name = "ioctl", .errmsg = true,
75b757ca 966 .arg_scnprintf = { [0] = SCA_FD, /* fd */
844ae5b4
ACM		 967#if defined(__i386__) || defined(__x86_64__)
968/*
969 * FIXME: Make this available to all arches.
970 */
78645cf3
ACM		 971 [1] = SCA_STRHEXARRAY, /* cmd */
972 [2] = SCA_HEX, /* arg */ },
973 .arg_parm = { [1] = &strarray__tioctls, /* cmd */ }, },
844ae5b4
ACM		 974#else
975 [2] = SCA_HEX, /* arg */ }, },
976#endif
8bad5b0a
ACM		 977 { .name = "kill", .errmsg = true,
978 .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, },
75b757ca
ACM		 979 { .name = "linkat", .errmsg = true,
980 .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
981 { .name = "lseek", .errmsg = true,
982 .arg_scnprintf = { [0] = SCA_FD, /* fd */
983 [2] = SCA_STRARRAY, /* whence */ },
984 .arg_parm = { [2] = &strarray__whences, /* whence */ }, },
e5959683 985 { .name = "lstat", .errmsg = true, .alias = "newlstat", },
9e9716d1
ACM		 986 { .name = "madvise", .errmsg = true,
987 .arg_scnprintf = { [0] = SCA_HEX, /* start */
988 [2] = SCA_MADV_BHV, /* behavior */ }, },
75b757ca
ACM		 989 { .name = "mkdirat", .errmsg = true,
990 .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
991 { .name = "mknodat", .errmsg = true,
992 .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
3d903aa7
ACM		 993 { .name = "mlock", .errmsg = true,
994 .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, },
995 { .name = "mlockall", .errmsg = true,
996 .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, },
beccb2b5 997 { .name = "mmap", .hexret = true,
ae685380 998 .arg_scnprintf = { [0] = SCA_HEX, /* addr */
941557e0 999 [2] = SCA_MMAP_PROT, /* prot */
73faab3a
NK		 1000 [3] = SCA_MMAP_FLAGS, /* flags */
1001 [4] = SCA_FD, /* fd */ }, },
beccb2b5 1002 { .name = "mprotect", .errmsg = true,
ae685380
ACM		 1003 .arg_scnprintf = { [0] = SCA_HEX, /* start */
1004 [2] = SCA_MMAP_PROT, /* prot */ }, },
1005 { .name = "mremap", .hexret = true,
1006 .arg_scnprintf = { [0] = SCA_HEX, /* addr */
1007 [4] = SCA_HEX, /* new_addr */ }, },
3d903aa7
ACM		 1008 { .name = "munlock", .errmsg = true,
1009 .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, },
beccb2b5
ACM		 1010 { .name = "munmap", .errmsg = true,
1011 .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, },
75b757ca
ACM		 1012 { .name = "name_to_handle_at", .errmsg = true,
1013 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
1014 { .name = "newfstatat", .errmsg = true,
1015 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
be65a89a
ACM		 1016 { .name = "open", .errmsg = true,
1017 .arg_scnprintf = { [1] = SCA_OPEN_FLAGS, /* flags */ }, },
31cd3855 1018 { .name = "open_by_handle_at", .errmsg = true,
75b757ca
ACM		 1019 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */
1020 [2] = SCA_OPEN_FLAGS, /* flags */ }, },
31cd3855 1021 { .name = "openat", .errmsg = true,
75b757ca
ACM		 1022 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */
1023 [2] = SCA_OPEN_FLAGS, /* flags */ }, },
46cce19b
ACM		 1024 { .name = "pipe2", .errmsg = true,
1025 .arg_scnprintf = { [1] = SCA_PIPE_FLAGS, /* flags */ }, },
aec1930b
ACM		 1026 { .name = "poll", .errmsg = true, .timeout = true, },
1027 { .name = "ppoll", .errmsg = true, .timeout = true, },
75b757ca
ACM		 1028 { .name = "pread", .errmsg = true, .alias = "pread64",
1029 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
1030 { .name = "preadv", .errmsg = true, .alias = "pread",
1031 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
453350dd 1032 { .name = "prlimit64", .errmsg = true, STRARRAY(1, resource, rlimit_resources), },
75b757ca
ACM		 1033 { .name = "pwrite", .errmsg = true, .alias = "pwrite64",
1034 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
1035 { .name = "pwritev", .errmsg = true,
1036 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
1037 { .name = "read", .errmsg = true,
1038 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
1039 { .name = "readlinkat", .errmsg = true,
1040 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
1041 { .name = "readv", .errmsg = true,
1042 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
b2cc99fd
ACM		 1043 { .name = "recvfrom", .errmsg = true,
1044 .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, },
1045 { .name = "recvmmsg", .errmsg = true,
1046 .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, },
1047 { .name = "recvmsg", .errmsg = true,
1048 .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, },
75b757ca
ACM		 1049 { .name = "renameat", .errmsg = true,
1050 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
8bad5b0a
ACM		 1051 { .name = "rt_sigaction", .errmsg = true,
1052 .arg_scnprintf = { [0] = SCA_SIGNUM, /* sig */ }, },
453350dd 1053 { .name = "rt_sigprocmask", .errmsg = true, STRARRAY(0, how, sighow), },
8bad5b0a
ACM		 1054 { .name = "rt_sigqueueinfo", .errmsg = true,
1055 .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, },
1056 { .name = "rt_tgsigqueueinfo", .errmsg = true,
1057 .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, },
aec1930b 1058 { .name = "select", .errmsg = true, .timeout = true, },
b2cc99fd
ACM		 1059 { .name = "sendmmsg", .errmsg = true,
1060 .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, },
1061 { .name = "sendmsg", .errmsg = true,
1062 .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, },
1063 { .name = "sendto", .errmsg = true,
1064 .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, },
453350dd
ACM		 1065 { .name = "setitimer", .errmsg = true, STRARRAY(0, which, itimers), },
1066 { .name = "setrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), },
75b757ca
ACM		 1067 { .name = "shutdown", .errmsg = true,
1068 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
e10bce81 1069 { .name = "socket", .errmsg = true,
a28b24b2
ACM		 1070 .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */
1071 [1] = SCA_SK_TYPE, /* type */ },
07120aa5
ACM		 1072 .arg_parm = { [0] = &strarray__socket_families, /* family */ }, },
1073 { .name = "socketpair", .errmsg = true,
1074 .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */
1075 [1] = SCA_SK_TYPE, /* type */ },
e10bce81 1076 .arg_parm = { [0] = &strarray__socket_families, /* family */ }, },
aec1930b 1077 { .name = "stat", .errmsg = true, .alias = "newstat", },
75b757ca
ACM		 1078 { .name = "symlinkat", .errmsg = true,
1079 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
8bad5b0a
ACM		 1080 { .name = "tgkill", .errmsg = true,
1081 .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, },
1082 { .name = "tkill", .errmsg = true,
1083 .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, },
e5959683 1084 { .name = "uname", .errmsg = true, .alias = "newuname", },
75b757ca
ACM		 1085 { .name = "unlinkat", .errmsg = true,
1086 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
1087 { .name = "utimensat", .errmsg = true,
1088 .arg_scnprintf = { [0] = SCA_FDAT, /* dirfd */ }, },
1089 { .name = "write", .errmsg = true,
1090 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
1091 { .name = "writev", .errmsg = true,
1092 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
514f1c67
ACM		 1093};
1094
1095static int syscall_fmt__cmp(const void *name, const void *fmtp)
1096{
1097 const struct syscall_fmt *fmt = fmtp;
1098 return strcmp(name, fmt->name);
1099}
1100
1101static struct syscall_fmt *syscall_fmt__find(const char *name)
1102{
1103 const int nmemb = ARRAY_SIZE(syscall_fmts);
1104 return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp);
1105}
1106
1107struct syscall {
1108 struct event_format *tp_format;
1109 const char *name;
2ae3a312 1110 bool filtered;
5089f20e 1111 bool is_exit;
514f1c67 1112 struct syscall_fmt *fmt;
01533e97 1113 size_t (**arg_scnprintf)(char *bf, size_t size, struct syscall_arg *arg);
1f115cb7 1114 void **arg_parm;
514f1c67
ACM		 1115};
1116
60c907ab
ACM		 1117static size_t fprintf_duration(unsigned long t, FILE *fp)
1118{
1119 double duration = (double)t / NSEC_PER_MSEC;
1120 size_t printed = fprintf(fp, "(");
1121
1122 if (duration >= 1.0)
1123 printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration);
1124 else if (duration >= 0.01)
1125 printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration);
1126 else
1127 printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration);
c24ff998 1128 return printed + fprintf(fp, "): ");
60c907ab
ACM		 1129}
1130
752fde44
ACM		 1131struct thread_trace {
1132 u64 entry_time;
1133 u64 exit_time;
1134 bool entry_pending;
efd5745e 1135 unsigned long nr_events;
752fde44 1136 char *entry_str;
1302d88e 1137 double runtime_ms;
75b757ca
ACM		 1138 struct {
1139 int max;
1140 char **table;
1141 } paths;
bf2575c1
DA		 1142
1143 struct intlist *syscall_stats;
752fde44
ACM		 1144};
1145
1146static struct thread_trace *thread_trace__new(void)
1147{
75b757ca
ACM		 1148 struct thread_trace *ttrace = zalloc(sizeof(struct thread_trace));
1149
1150 if (ttrace)
1151 ttrace->paths.max = -1;
1152
bf2575c1
DA		 1153 ttrace->syscall_stats = intlist__new(NULL);
1154
75b757ca 1155 return ttrace;
752fde44
ACM		 1156}
1157
c24ff998 1158static struct thread_trace *thread__trace(struct thread *thread, FILE *fp)
752fde44 1159{
efd5745e
ACM		 1160 struct thread_trace *ttrace;
1161
752fde44
ACM		 1162 if (thread == NULL)
1163 goto fail;
1164
1165 if (thread->priv == NULL)
1166 thread->priv = thread_trace__new();
efd5745e 1167
752fde44
ACM		 1168 if (thread->priv == NULL)
1169 goto fail;
1170
efd5745e
ACM		 1171 ttrace = thread->priv;
1172 ++ttrace->nr_events;
1173
1174 return ttrace;
752fde44 1175fail:
c24ff998 1176 color_fprintf(fp, PERF_COLOR_RED,
752fde44
ACM		 1177 "WARNING: not enough memory, dropping samples!\n");
1178 return NULL;
1179}
1180
514f1c67 1181struct trace {
c24ff998 1182 struct perf_tool tool;
c522739d
ACM		 1183 struct {
1184 int machine;
1185 int open_id;
1186 } audit;
514f1c67
ACM		 1187 struct {
1188 int max;
1189 struct syscall *table;
1190 } syscalls;
b4006796 1191 struct record_opts opts;
8fb598e5 1192 struct machine *host;
752fde44 1193 u64 base_time;
c24ff998 1194 FILE *output;
efd5745e 1195 unsigned long nr_events;
b059efdf 1196 struct strlist *ev_qualifier;
c522739d 1197 const char *last_vfs_getname;
bdc89661
DA		 1198 struct intlist *tid_list;
1199 struct intlist *pid_list;
98eafce6
ACM		 1200 double duration_filter;
1201 double runtime_ms;
1202 struct {
1203 u64 vfs_getname,
1204 proc_getname;
1205 } stats;
1206 bool not_ev_qualifier;
1207 bool live;
1208 bool full_time;
1302d88e 1209 bool sched;
752fde44 1210 bool multiple_threads;
bf2575c1 1211 bool summary;
fd2eabaf 1212 bool summary_only;
50c95cbd 1213 bool show_comm;
c522739d 1214 bool show_tool_stats;
514f1c67
ACM		 1215};
1216
97119f37 1217static int trace__set_fd_pathname(struct thread *thread, int fd, const char *pathname)
75b757ca
ACM		 1218{
1219 struct thread_trace *ttrace = thread->priv;
75b757ca
ACM		 1220
1221 if (fd > ttrace->paths.max) {
1222 char **npath = realloc(ttrace->paths.table, (fd + 1) * sizeof(char *));
1223
1224 if (npath == NULL)
1225 return -1;
1226
1227 if (ttrace->paths.max != -1) {
1228 memset(npath + ttrace->paths.max + 1, 0,
1229 (fd - ttrace->paths.max) * sizeof(char *));
1230 } else {
1231 memset(npath, 0, (fd + 1) * sizeof(char *));
1232 }
1233
1234 ttrace->paths.table = npath;
1235 ttrace->paths.max = fd;
1236 }
1237
1238 ttrace->paths.table[fd] = strdup(pathname);
1239
1240 return ttrace->paths.table[fd] != NULL ? 0 : -1;
1241}
1242
97119f37
ACM		 1243static int thread__read_fd_path(struct thread *thread, int fd)
1244{
1245 char linkname[PATH_MAX], pathname[PATH_MAX];
1246 struct stat st;
1247 int ret;
1248
1249 if (thread->pid_ == thread->tid) {
1250 scnprintf(linkname, sizeof(linkname),
1251 "/proc/%d/fd/%d", thread->pid_, fd);
1252 } else {
1253 scnprintf(linkname, sizeof(linkname),
1254 "/proc/%d/task/%d/fd/%d", thread->pid_, thread->tid, fd);
1255 }
1256
1257 if (lstat(linkname, &st) < 0 || st.st_size + 1 > (off_t)sizeof(pathname))
1258 return -1;
1259
1260 ret = readlink(linkname, pathname, sizeof(pathname));
1261
1262 if (ret < 0 || ret > st.st_size)
1263 return -1;
1264
1265 pathname[ret] = '\0';
1266 return trace__set_fd_pathname(thread, fd, pathname);
1267}
1268
c522739d
ACM		 1269static const char *thread__fd_path(struct thread *thread, int fd,
1270 struct trace *trace)
75b757ca
ACM		 1271{
1272 struct thread_trace *ttrace = thread->priv;
1273
1274 if (ttrace == NULL)
1275 return NULL;
1276
1277 if (fd < 0)
1278 return NULL;
1279
cdcd1e6b 1280 if ((fd > ttrace->paths.max || ttrace->paths.table[fd] == NULL)) {
c522739d
ACM		 1281 if (!trace->live)
1282 return NULL;
1283 ++trace->stats.proc_getname;
cdcd1e6b 1284 if (thread__read_fd_path(thread, fd))
c522739d
ACM		 1285 return NULL;
1286 }
75b757ca
ACM		 1287
1288 return ttrace->paths.table[fd];
1289}
1290
1291static size_t syscall_arg__scnprintf_fd(char *bf, size_t size,
1292 struct syscall_arg *arg)
1293{
1294 int fd = arg->val;
1295 size_t printed = scnprintf(bf, size, "%d", fd);
c522739d 1296 const char *path = thread__fd_path(arg->thread, fd, arg->trace);
75b757ca
ACM		 1297
1298 if (path)
1299 printed += scnprintf(bf + printed, size - printed, "<%s>", path);
1300
1301 return printed;
1302}
1303
1304static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size,
1305 struct syscall_arg *arg)
1306{
1307 int fd = arg->val;
1308 size_t printed = syscall_arg__scnprintf_fd(bf, size, arg);
1309 struct thread_trace *ttrace = arg->thread->priv;
1310
04662523
ACM		 1311 if (ttrace && fd >= 0 && fd <= ttrace->paths.max)
1312 zfree(&ttrace->paths.table[fd]);
75b757ca
ACM		 1313
1314 return printed;
1315}
1316
ae9ed035
ACM		 1317static bool trace__filter_duration(struct trace *trace, double t)
1318{
1319 return t < (trace->duration_filter * NSEC_PER_MSEC);
1320}
1321
752fde44
ACM		 1322static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp)
1323{
1324 double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC;
1325
60c907ab 1326 return fprintf(fp, "%10.3f ", ts);
752fde44
ACM		 1327}
1328
f15eb531 1329static bool done = false;
ba209f85 1330static bool interrupted = false;
f15eb531 1331
ba209f85 1332static void sig_handler(int sig)
f15eb531
NK		 1333{
1334 done = true;
ba209f85 1335 interrupted = sig == SIGINT;
f15eb531
NK		 1336}
1337
752fde44 1338static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread,
60c907ab 1339 u64 duration, u64 tstamp, FILE *fp)
752fde44
ACM		 1340{
1341 size_t printed = trace__fprintf_tstamp(trace, tstamp, fp);
60c907ab 1342 printed += fprintf_duration(duration, fp);
752fde44 1343
50c95cbd
ACM		 1344 if (trace->multiple_threads) {
1345 if (trace->show_comm)
1902efe7 1346 printed += fprintf(fp, "%.14s/", thread__comm_str(thread));
38051234 1347 printed += fprintf(fp, "%d ", thread->tid);
50c95cbd 1348 }
752fde44
ACM		 1349
1350 return printed;
1351}
1352
c24ff998 1353static int trace__process_event(struct trace *trace, struct machine *machine,
162f0bef 1354 union perf_event *event, struct perf_sample *sample)
752fde44
ACM		 1355{
1356 int ret = 0;
1357
1358 switch (event->header.type) {
1359 case PERF_RECORD_LOST:
c24ff998 1360 color_fprintf(trace->output, PERF_COLOR_RED,
752fde44 1361 "LOST %" PRIu64 " events!\n", event->lost.lost);
162f0bef 1362 ret = machine__process_lost_event(machine, event, sample);
752fde44 1363 default:
162f0bef 1364 ret = machine__process_event(machine, event, sample);
752fde44
ACM		 1365 break;
1366 }
1367
1368 return ret;
1369}
1370
c24ff998 1371static int trace__tool_process(struct perf_tool *tool,
752fde44 1372 union perf_event *event,
162f0bef 1373 struct perf_sample *sample,
752fde44
ACM		 1374 struct machine *machine)
1375{
c24ff998 1376 struct trace *trace = container_of(tool, struct trace, tool);
162f0bef 1377 return trace__process_event(trace, machine, event, sample);
752fde44
ACM		 1378}
1379
1380static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist)
1381{
1382 int err = symbol__init();
1383
1384 if (err)
1385 return err;
1386
8fb598e5
DA		 1387 trace->host = machine__new_host();
1388 if (trace->host == NULL)
1389 return -ENOMEM;
752fde44 1390
a33fbd56
ACM		 1391 err = __machine__synthesize_threads(trace->host, &trace->tool, &trace->opts.target,
1392 evlist->threads, trace__tool_process, false);
752fde44
ACM		 1393 if (err)
1394 symbol__exit();
1395
1396 return err;
1397}
1398
13d4ff3e
ACM		 1399static int syscall__set_arg_fmts(struct syscall *sc)
1400{
1401 struct format_field *field;
1402 int idx = 0;
1403
1404 sc->arg_scnprintf = calloc(sc->tp_format->format.nr_fields - 1, sizeof(void *));
1405 if (sc->arg_scnprintf == NULL)
1406 return -1;
1407
1f115cb7
ACM		 1408 if (sc->fmt)
1409 sc->arg_parm = sc->fmt->arg_parm;
1410
13d4ff3e 1411 for (field = sc->tp_format->format.fields->next; field; field = field->next) {
beccb2b5
ACM		 1412 if (sc->fmt && sc->fmt->arg_scnprintf[idx])
1413 sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx];
1414 else if (field->flags & FIELD_IS_POINTER)
13d4ff3e
ACM		 1415 sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex;
1416 ++idx;
1417 }
1418
1419 return 0;
1420}
1421
514f1c67
ACM		 1422static int trace__read_syscall_info(struct trace *trace, int id)
1423{
1424 char tp_name[128];
1425 struct syscall *sc;
c522739d 1426 const char *name = audit_syscall_to_name(id, trace->audit.machine);
3a531260
ACM		 1427
1428 if (name == NULL)
1429 return -1;
514f1c67
ACM		 1430
1431 if (id > trace->syscalls.max) {
1432 struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc));
1433
1434 if (nsyscalls == NULL)
1435 return -1;
1436
1437 if (trace->syscalls.max != -1) {
1438 memset(nsyscalls + trace->syscalls.max + 1, 0,
1439 (id - trace->syscalls.max) * sizeof(*sc));
1440 } else {
1441 memset(nsyscalls, 0, (id + 1) * sizeof(*sc));
1442 }
1443
1444 trace->syscalls.table = nsyscalls;
1445 trace->syscalls.max = id;
1446 }
1447
1448 sc = trace->syscalls.table + id;
3a531260 1449 sc->name = name;
2ae3a312 1450
b059efdf
ACM		 1451 if (trace->ev_qualifier) {
1452 bool in = strlist__find(trace->ev_qualifier, name) != NULL;
1453
1454 if (!(in ^ trace->not_ev_qualifier)) {
1455 sc->filtered = true;
1456 /*
1457 * No need to do read tracepoint information since this will be
1458 * filtered out.
1459 */
1460 return 0;
1461 }
2ae3a312
ACM		 1462 }
1463
3a531260 1464 sc->fmt = syscall_fmt__find(sc->name);
514f1c67 1465
aec1930b 1466 snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name);
97978b3e 1467 sc->tp_format = trace_event__tp_format("syscalls", tp_name);
aec1930b
ACM		 1468
1469 if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) {
1470 snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias);
97978b3e 1471 sc->tp_format = trace_event__tp_format("syscalls", tp_name);
aec1930b 1472 }
514f1c67 1473
13d4ff3e
ACM		 1474 if (sc->tp_format == NULL)
1475 return -1;
1476
5089f20e
ACM		 1477 sc->is_exit = !strcmp(name, "exit_group") || !strcmp(name, "exit");
1478
13d4ff3e 1479 return syscall__set_arg_fmts(sc);
514f1c67
ACM		 1480}
1481
752fde44 1482static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size,
75b757ca
ACM		 1483 unsigned long *args, struct trace *trace,
1484 struct thread *thread)
514f1c67 1485{
514f1c67
ACM		 1486 size_t printed = 0;
1487
1488 if (sc->tp_format != NULL) {
1489 struct format_field *field;
01533e97
ACM		 1490 u8 bit = 1;
1491 struct syscall_arg arg = {
75b757ca
ACM		 1492 .idx = 0,
1493 .mask = 0,
1494 .trace = trace,
1495 .thread = thread,
01533e97 1496 };
6e7eeb51
ACM		 1497
1498 for (field = sc->tp_format->format.fields->next; field;
01533e97
ACM		 1499 field = field->next, ++arg.idx, bit <<= 1) {
1500 if (arg.mask & bit)
6e7eeb51 1501 continue;
4aa58232
ACM		 1502 /*
1503 * Suppress this argument if its value is zero and
1504 * and we don't have a string associated in an
1505 * strarray for it.
1506 */
1507 if (args[arg.idx] == 0 &&
1508 !(sc->arg_scnprintf &&
1509 sc->arg_scnprintf[arg.idx] == SCA_STRARRAY &&
1510 sc->arg_parm[arg.idx]))
22ae5cf1
ACM		 1511 continue;
1512
752fde44 1513 printed += scnprintf(bf + printed, size - printed,
13d4ff3e 1514 "%s%s: ", printed ? ", " : "", field->name);
01533e97
ACM		 1515 if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) {
1516 arg.val = args[arg.idx];
1f115cb7
ACM		 1517 if (sc->arg_parm)
1518 arg.parm = sc->arg_parm[arg.idx];
01533e97
ACM		 1519 printed += sc->arg_scnprintf[arg.idx](bf + printed,
1520 size - printed, &arg);
6e7eeb51 1521 } else {
13d4ff3e 1522 printed += scnprintf(bf + printed, size - printed,
01533e97 1523 "%ld", args[arg.idx]);
6e7eeb51 1524 }
514f1c67
ACM		 1525 }
1526 } else {
01533e97
ACM		 1527 int i = 0;
1528
514f1c67 1529 while (i < 6) {
752fde44
ACM		 1530 printed += scnprintf(bf + printed, size - printed,
1531 "%sarg%d: %ld",
1532 printed ? ", " : "", i, args[i]);
514f1c67
ACM		 1533 ++i;
1534 }
1535 }
1536
1537 return printed;
1538}
1539
ba3d7dee 1540typedef int (*tracepoint_handler)(struct trace *trace, struct perf_evsel *evsel,
0c82adcf 1541 union perf_event *event,
ba3d7dee
ACM		 1542 struct perf_sample *sample);
1543
1544static struct syscall *trace__syscall_info(struct trace *trace,
bf2575c1 1545 struct perf_evsel *evsel, int id)
ba3d7dee 1546{
ba3d7dee
ACM		 1547
1548 if (id < 0) {
adaa18bf
ACM		 1549
1550 /*
1551 * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried
1552 * before that, leaving at a higher verbosity level till that is
1553 * explained. Reproduced with plain ftrace with:
1554 *
1555 * echo 1 > /t/events/raw_syscalls/sys_exit/enable
1556 * grep "NR -1 " /t/trace_pipe
1557 *
1558 * After generating some load on the machine.
1559 */
1560 if (verbose > 1) {
1561 static u64 n;
1562 fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n",
1563 id, perf_evsel__name(evsel), ++n);
1564 }
ba3d7dee
ACM		 1565 return NULL;
1566 }
1567
1568 if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) &&
1569 trace__read_syscall_info(trace, id))
1570 goto out_cant_read;
1571
1572 if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL))
1573 goto out_cant_read;
1574
1575 return &trace->syscalls.table[id];
1576
1577out_cant_read:
7c304ee0
ACM		 1578 if (verbose) {
1579 fprintf(trace->output, "Problems reading syscall %d", id);
1580 if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL)
1581 fprintf(trace->output, "(%s)", trace->syscalls.table[id].name);
1582 fputs(" information\n", trace->output);
1583 }
ba3d7dee
ACM		 1584 return NULL;
1585}
1586
bf2575c1
DA		 1587static void thread__update_stats(struct thread_trace *ttrace,
1588 int id, struct perf_sample *sample)
1589{
1590 struct int_node *inode;
1591 struct stats *stats;
1592 u64 duration = 0;
1593
1594 inode = intlist__findnew(ttrace->syscall_stats, id);
1595 if (inode == NULL)
1596 return;
1597
1598 stats = inode->priv;
1599 if (stats == NULL) {
1600 stats = malloc(sizeof(struct stats));
1601 if (stats == NULL)
1602 return;
1603 init_stats(stats);
1604 inode->priv = stats;
1605 }
1606
1607 if (ttrace->entry_time && sample->time > ttrace->entry_time)
1608 duration = sample->time - ttrace->entry_time;
1609
1610 update_stats(stats, duration);
1611}
1612
ba3d7dee 1613static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel,
0c82adcf 1614 union perf_event *event __maybe_unused,
ba3d7dee
ACM		 1615 struct perf_sample *sample)
1616{
752fde44 1617 char *msg;
ba3d7dee 1618 void *args;
752fde44 1619 size_t printed = 0;
2ae3a312 1620 struct thread *thread;
77170988 1621 int id = perf_evsel__sc_tp_uint(evsel, id, sample);
bf2575c1 1622 struct syscall *sc = trace__syscall_info(trace, evsel, id);
2ae3a312
ACM		 1623 struct thread_trace *ttrace;
1624
1625 if (sc == NULL)
1626 return -1;
ba3d7dee 1627
2ae3a312
ACM		 1628 if (sc->filtered)
1629 return 0;
1630
8fb598e5 1631 thread = machine__findnew_thread(trace->host, sample->pid, sample->tid);
c24ff998 1632 ttrace = thread__trace(thread, trace->output);
2ae3a312 1633 if (ttrace == NULL)
ba3d7dee
ACM		 1634 return -1;
1635
77170988 1636 args = perf_evsel__sc_tp_ptr(evsel, args, sample);
752fde44
ACM		 1637
1638 if (ttrace->entry_str == NULL) {
1639 ttrace->entry_str = malloc(1024);
1640 if (!ttrace->entry_str)
1641 return -1;
1642 }
1643
1644 ttrace->entry_time = sample->time;
1645 msg = ttrace->entry_str;
1646 printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name);
1647
75b757ca
ACM		 1648 printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed,
1649 args, trace, thread);
752fde44 1650
5089f20e 1651 if (sc->is_exit) {
fd2eabaf 1652 if (!trace->duration_filter && !trace->summary_only) {
c24ff998
ACM		 1653 trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output);
1654 fprintf(trace->output, "%-70s\n", ttrace->entry_str);
ae9ed035 1655 }
752fde44
ACM		 1656 } else
1657 ttrace->entry_pending = true;
ba3d7dee
ACM		 1658
1659 return 0;
1660}
1661
1662static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel,
0c82adcf 1663 union perf_event *event __maybe_unused,
ba3d7dee
ACM		 1664 struct perf_sample *sample)
1665{
1666 int ret;
60c907ab 1667 u64 duration = 0;
2ae3a312 1668 struct thread *thread;
77170988 1669 int id = perf_evsel__sc_tp_uint(evsel, id, sample);
bf2575c1 1670 struct syscall *sc = trace__syscall_info(trace, evsel, id);
2ae3a312
ACM		 1671 struct thread_trace *ttrace;
1672
1673 if (sc == NULL)
1674 return -1;
ba3d7dee 1675
2ae3a312
ACM		 1676 if (sc->filtered)
1677 return 0;
1678
8fb598e5 1679 thread = machine__findnew_thread(trace->host, sample->pid, sample->tid);
c24ff998 1680 ttrace = thread__trace(thread, trace->output);
2ae3a312 1681 if (ttrace == NULL)
ba3d7dee
ACM		 1682 return -1;
1683
bf2575c1
DA		 1684 if (trace->summary)
1685 thread__update_stats(ttrace, id, sample);
1686
77170988 1687 ret = perf_evsel__sc_tp_uint(evsel, ret, sample);
ba3d7dee 1688
c522739d
ACM		 1689 if (id == trace->audit.open_id && ret >= 0 && trace->last_vfs_getname) {
1690 trace__set_fd_pathname(thread, ret, trace->last_vfs_getname);
1691 trace->last_vfs_getname = NULL;
1692 ++trace->stats.vfs_getname;
1693 }
1694
752fde44
ACM		 1695 ttrace->exit_time = sample->time;
1696
ae9ed035 1697 if (ttrace->entry_time) {
60c907ab 1698 duration = sample->time - ttrace->entry_time;
ae9ed035
ACM		 1699 if (trace__filter_duration(trace, duration))
1700 goto out;
1701 } else if (trace->duration_filter)
1702 goto out;
60c907ab 1703
fd2eabaf
DA		 1704 if (trace->summary_only)
1705 goto out;
1706
c24ff998 1707 trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output);
752fde44
ACM		 1708
1709 if (ttrace->entry_pending) {
c24ff998 1710 fprintf(trace->output, "%-70s", ttrace->entry_str);
752fde44 1711 } else {
c24ff998
ACM		 1712 fprintf(trace->output, " ... [");
1713 color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued");
1714 fprintf(trace->output, "]: %s()", sc->name);
752fde44
ACM		 1715 }
1716
da3c9a44
ACM		 1717 if (sc->fmt == NULL) {
1718signed_print:
1719 fprintf(trace->output, ") = %d", ret);
1720 } else if (ret < 0 && sc->fmt->errmsg) {
ba3d7dee
ACM		 1721 char bf[256];
1722 const char *emsg = strerror_r(-ret, bf, sizeof(bf)),
1723 *e = audit_errno_to_name(-ret);
1724
c24ff998 1725 fprintf(trace->output, ") = -1 %s %s", e, emsg);
da3c9a44 1726 } else if (ret == 0 && sc->fmt->timeout)
c24ff998 1727 fprintf(trace->output, ") = 0 Timeout");
04b34729
ACM		 1728 else if (sc->fmt->hexret)
1729 fprintf(trace->output, ") = %#x", ret);
ba3d7dee 1730 else
da3c9a44 1731 goto signed_print;
ba3d7dee 1732
c24ff998 1733 fputc('\n', trace->output);
ae9ed035 1734out:
752fde44
ACM		 1735 ttrace->entry_pending = false;
1736
ba3d7dee
ACM		 1737 return 0;
1738}
1739
c522739d 1740static int trace__vfs_getname(struct trace *trace, struct perf_evsel *evsel,
0c82adcf 1741 union perf_event *event __maybe_unused,
c522739d
ACM		 1742 struct perf_sample *sample)
1743{
1744 trace->last_vfs_getname = perf_evsel__rawptr(evsel, sample, "pathname");
1745 return 0;
1746}
1747
1302d88e 1748static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel,
0c82adcf 1749 union perf_event *event __maybe_unused,
1302d88e
ACM		 1750 struct perf_sample *sample)
1751{
1752 u64 runtime = perf_evsel__intval(evsel, sample, "runtime");
1753 double runtime_ms = (double)runtime / NSEC_PER_MSEC;
8fb598e5 1754 struct thread *thread = machine__findnew_thread(trace->host,
314add6b
AH		 1755 sample->pid,
1756 sample->tid);
c24ff998 1757 struct thread_trace *ttrace = thread__trace(thread, trace->output);
1302d88e
ACM		 1758
1759 if (ttrace == NULL)
1760 goto out_dump;
1761
1762 ttrace->runtime_ms += runtime_ms;
1763 trace->runtime_ms += runtime_ms;
1764 return 0;
1765
1766out_dump:
c24ff998 1767 fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n",
1302d88e
ACM		 1768 evsel->name,
1769 perf_evsel__strval(evsel, sample, "comm"),
1770 (pid_t)perf_evsel__intval(evsel, sample, "pid"),
1771 runtime,
1772 perf_evsel__intval(evsel, sample, "vruntime"));
1773 return 0;
1774}
1775
bdc89661
DA		 1776static bool skip_sample(struct trace *trace, struct perf_sample *sample)
1777{
1778 if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) ||
1779 (trace->tid_list && intlist__find(trace->tid_list, sample->tid)))
1780 return false;
1781
1782 if (trace->pid_list || trace->tid_list)
1783 return true;
1784
1785 return false;
1786}
1787
6810fc91 1788static int trace__process_sample(struct perf_tool *tool,
0c82adcf 1789 union perf_event *event,
6810fc91
DA		 1790 struct perf_sample *sample,
1791 struct perf_evsel *evsel,
1792 struct machine *machine __maybe_unused)
1793{
1794 struct trace *trace = container_of(tool, struct trace, tool);
1795 int err = 0;
1796
744a9719 1797 tracepoint_handler handler = evsel->handler;
6810fc91 1798
bdc89661
DA		 1799 if (skip_sample(trace, sample))
1800 return 0;
1801
4bb09192 1802 if (!trace->full_time && trace->base_time == 0)
6810fc91
DA		 1803 trace->base_time = sample->time;
1804
3160565f
DA		 1805 if (handler) {
1806 ++trace->nr_events;
0c82adcf 1807 handler(trace, evsel, event, sample);
3160565f 1808 }
6810fc91
DA		 1809
1810 return err;
1811}
1812
bdc89661
DA		 1813static int parse_target_str(struct trace *trace)
1814{
1815 if (trace->opts.target.pid) {
1816 trace->pid_list = intlist__new(trace->opts.target.pid);
1817 if (trace->pid_list == NULL) {
1818 pr_err("Error parsing process id string\n");
1819 return -EINVAL;
1820 }
1821 }
1822
1823 if (trace->opts.target.tid) {
1824 trace->tid_list = intlist__new(trace->opts.target.tid);
1825 if (trace->tid_list == NULL) {
1826 pr_err("Error parsing thread id string\n");
1827 return -EINVAL;
1828 }
1829 }
1830
1831 return 0;
1832}
1833
5e2485b1
DA		 1834static int trace__record(int argc, const char **argv)
1835{
1836 unsigned int rec_argc, i, j;
1837 const char **rec_argv;
1838 const char * const record_args[] = {
1839 "record",
1840 "-R",
1841 "-m", "1024",
1842 "-c", "1",
9aca7f17 1843 "-e",
5e2485b1
DA		 1844 };
1845
9aca7f17
DA		 1846 /* +1 is for the event string below */
1847 rec_argc = ARRAY_SIZE(record_args) + 1 + argc;
5e2485b1
DA		 1848 rec_argv = calloc(rec_argc + 1, sizeof(char *));
1849
1850 if (rec_argv == NULL)
1851 return -ENOMEM;
1852
1853 for (i = 0; i < ARRAY_SIZE(record_args); i++)
1854 rec_argv[i] = record_args[i];
1855
9aca7f17
DA		 1856 /* event string may be different for older kernels - e.g., RHEL6 */
1857 if (is_valid_tracepoint("raw_syscalls:sys_enter"))
1858 rec_argv[i] = "raw_syscalls:sys_enter,raw_syscalls:sys_exit";
1859 else if (is_valid_tracepoint("syscalls:sys_enter"))
1860 rec_argv[i] = "syscalls:sys_enter,syscalls:sys_exit";
1861 else {
1862 pr_err("Neither raw_syscalls nor syscalls events exist.\n");
1863 return -1;
1864 }
1865 i++;
1866
5e2485b1
DA		 1867 for (j = 0; j < (unsigned int)argc; j++, i++)
1868 rec_argv[i] = argv[j];
1869
1870 return cmd_record(i, rec_argv, NULL);
1871}
1872
bf2575c1
DA		 1873static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp);
1874
c522739d
ACM		 1875static void perf_evlist__add_vfs_getname(struct perf_evlist *evlist)
1876{
ef503831 1877 struct perf_evsel *evsel = perf_evsel__newtp("probe", "vfs_getname");
c522739d
ACM		 1878 if (evsel == NULL)
1879 return;
1880
1881 if (perf_evsel__field(evsel, "pathname") == NULL) {
1882 perf_evsel__delete(evsel);
1883 return;
1884 }
1885
744a9719 1886 evsel->handler = trace__vfs_getname;
c522739d
ACM		 1887 perf_evlist__add(evlist, evsel);
1888}
1889
f15eb531 1890static int trace__run(struct trace *trace, int argc, const char **argv)
514f1c67 1891{
334fe7a3 1892 struct perf_evlist *evlist = perf_evlist__new();
ba3d7dee 1893 struct perf_evsel *evsel;
efd5745e
ACM		 1894 int err = -1, i;
1895 unsigned long before;
f15eb531 1896 const bool forks = argc > 0;
514f1c67 1897
75b757ca
ACM		 1898 trace->live = true;
1899
514f1c67 1900 if (evlist == NULL) {
c24ff998 1901 fprintf(trace->output, "Not enough memory to run!\n");
514f1c67
ACM		 1902 goto out;
1903 }
1904
77170988 1905 if (perf_evlist__add_syscall_newtp(evlist, trace__sys_enter, trace__sys_exit))
87f91868 1906 goto out_error_tp;
514f1c67 1907
c522739d
ACM		 1908 perf_evlist__add_vfs_getname(evlist);
1909
1302d88e 1910 if (trace->sched &&
87f91868
RR		 1911 perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime",
1912 trace__sched_stat_runtime))
1913 goto out_error_tp;
1302d88e 1914
514f1c67
ACM		 1915 err = perf_evlist__create_maps(evlist, &trace->opts.target);
1916 if (err < 0) {
c24ff998 1917 fprintf(trace->output, "Problems parsing the target to trace, check your options!\n");
514f1c67
ACM		 1918 goto out_delete_evlist;
1919 }
1920
752fde44
ACM		 1921 err = trace__symbols_init(trace, evlist);
1922 if (err < 0) {
c24ff998 1923 fprintf(trace->output, "Problems initializing symbol libraries!\n");
03ad9747 1924 goto out_delete_evlist;
752fde44
ACM		 1925 }
1926
f77a9518 1927 perf_evlist__config(evlist, &trace->opts);
514f1c67 1928
f15eb531
NK		 1929 signal(SIGCHLD, sig_handler);
1930 signal(SIGINT, sig_handler);
1931
1932 if (forks) {
6ef73ec4 1933 err = perf_evlist__prepare_workload(evlist, &trace->opts.target,
735f7e0b 1934 argv, false, NULL);
f15eb531 1935 if (err < 0) {
c24ff998 1936 fprintf(trace->output, "Couldn't run the workload!\n");
03ad9747 1937 goto out_delete_evlist;
f15eb531
NK		 1938 }
1939 }
1940
514f1c67 1941 err = perf_evlist__open(evlist);
a8f23d8f
ACM		 1942 if (err < 0)
1943 goto out_error_open;
514f1c67 1944
f885037e 1945 err = perf_evlist__mmap(evlist, trace->opts.mmap_pages, false);
514f1c67 1946 if (err < 0) {
c24ff998 1947 fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno));
f26e1c7c 1948 goto out_delete_evlist;
514f1c67
ACM		 1949 }
1950
1951 perf_evlist__enable(evlist);
f15eb531
NK		 1952
1953 if (forks)
1954 perf_evlist__start_workload(evlist);
1955
752fde44 1956 trace->multiple_threads = evlist->threads->map[0] == -1 || evlist->threads->nr > 1;
514f1c67 1957again:
efd5745e 1958 before = trace->nr_events;
514f1c67
ACM		 1959
1960 for (i = 0; i < evlist->nr_mmaps; i++) {
1961 union perf_event *event;
1962
1963 while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) {
1964 const u32 type = event->header.type;
ba3d7dee 1965 tracepoint_handler handler;
514f1c67 1966 struct perf_sample sample;
514f1c67 1967
efd5745e 1968 ++trace->nr_events;
514f1c67 1969
514f1c67
ACM		 1970 err = perf_evlist__parse_sample(evlist, event, &sample);
1971 if (err) {
c24ff998 1972 fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err);
8e50d384 1973 goto next_event;
514f1c67
ACM		 1974 }
1975
4bb09192 1976 if (!trace->full_time && trace->base_time == 0)
752fde44
ACM		 1977 trace->base_time = sample.time;
1978
1979 if (type != PERF_RECORD_SAMPLE) {
162f0bef 1980 trace__process_event(trace, trace->host, event, &sample);
752fde44
ACM		 1981 continue;
1982 }
1983
514f1c67
ACM		 1984 evsel = perf_evlist__id2evsel(evlist, sample.id);
1985 if (evsel == NULL) {
c24ff998 1986 fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample.id);
8e50d384 1987 goto next_event;
514f1c67
ACM		 1988 }
1989
fc551f8d 1990 if (sample.raw_data == NULL) {
c24ff998 1991 fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n",
fc551f8d
ACM		 1992 perf_evsel__name(evsel), sample.tid,
1993 sample.cpu, sample.raw_size);
8e50d384 1994 goto next_event;
fc551f8d
ACM		 1995 }
1996
744a9719 1997 handler = evsel->handler;
0c82adcf 1998 handler(trace, evsel, event, &sample);
8e50d384
ZZ		 1999next_event:
2000 perf_evlist__mmap_consume(evlist, i);
20c5f10e 2001
ba209f85
ACM		 2002 if (interrupted)
2003 goto out_disable;
514f1c67
ACM		 2004 }
2005 }
2006
efd5745e 2007 if (trace->nr_events == before) {
ba209f85 2008 int timeout = done ? 100 : -1;
f15eb531 2009
ba209f85
ACM		 2010 if (poll(evlist->pollfd, evlist->nr_fds, timeout) > 0)
2011 goto again;
2012 } else {
2013 goto again;
f15eb531
NK		 2014 }
2015
ba209f85
ACM		 2016out_disable:
2017 perf_evlist__disable(evlist);
514f1c67 2018
c522739d
ACM		 2019 if (!err) {
2020 if (trace->summary)
2021 trace__fprintf_thread_summary(trace, trace->output);
2022
2023 if (trace->show_tool_stats) {
2024 fprintf(trace->output, "Stats:\n "
2025 " vfs_getname : %" PRIu64 "\n"
2026 " proc_getname: %" PRIu64 "\n",
2027 trace->stats.vfs_getname,
2028 trace->stats.proc_getname);
2029 }
2030 }
bf2575c1 2031
514f1c67
ACM		 2032out_delete_evlist:
2033 perf_evlist__delete(evlist);
2034out:
75b757ca 2035 trace->live = false;
514f1c67 2036 return err;
6ef068cb
ACM		 2037{
2038 char errbuf[BUFSIZ];
a8f23d8f
ACM		 2039
2040out_error_tp:
6ef068cb 2041 perf_evlist__strerror_tp(evlist, errno, errbuf, sizeof(errbuf));
a8f23d8f
ACM		 2042 goto out_error;
2043
2044out_error_open:
2045 perf_evlist__strerror_open(evlist, errno, errbuf, sizeof(errbuf));
2046
2047out_error:
6ef068cb 2048 fprintf(trace->output, "%s\n", errbuf);
87f91868 2049 goto out_delete_evlist;
514f1c67 2050}
a8f23d8f 2051}
514f1c67 2052
6810fc91
DA		 2053static int trace__replay(struct trace *trace)
2054{
2055 const struct perf_evsel_str_handler handlers[] = {
c522739d 2056 { "probe:vfs_getname", trace__vfs_getname, },
6810fc91 2057 };
f5fc1412
JO		 2058 struct perf_data_file file = {
2059 .path = input_name,
2060 .mode = PERF_DATA_MODE_READ,
2061 };
6810fc91 2062 struct perf_session *session;
003824e8 2063 struct perf_evsel *evsel;
6810fc91
DA		 2064 int err = -1;
2065
2066 trace->tool.sample = trace__process_sample;
2067 trace->tool.mmap = perf_event__process_mmap;
384c671e 2068 trace->tool.mmap2 = perf_event__process_mmap2;
6810fc91
DA		 2069 trace->tool.comm = perf_event__process_comm;
2070 trace->tool.exit = perf_event__process_exit;
2071 trace->tool.fork = perf_event__process_fork;
2072 trace->tool.attr = perf_event__process_attr;
2073 trace->tool.tracing_data = perf_event__process_tracing_data;
2074 trace->tool.build_id = perf_event__process_build_id;
2075
2076 trace->tool.ordered_samples = true;
2077 trace->tool.ordering_requires_timestamps = true;
2078
2079 /* add tid to output */
2080 trace->multiple_threads = true;
2081
2082 if (symbol__init() < 0)
2083 return -1;
2084
f5fc1412 2085 session = perf_session__new(&file, false, &trace->tool);
6810fc91
DA		 2086 if (session == NULL)
2087 return -ENOMEM;
2088
8fb598e5
DA		 2089 trace->host = &session->machines.host;
2090
6810fc91
DA		 2091 err = perf_session__set_tracepoints_handlers(session, handlers);
2092 if (err)
2093 goto out;
2094
003824e8
NK		 2095 evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
2096 "raw_syscalls:sys_enter");
9aca7f17
DA		 2097 /* older kernels have syscalls tp versus raw_syscalls */
2098 if (evsel == NULL)
2099 evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
2100 "syscalls:sys_enter");
003824e8
NK		 2101 if (evsel == NULL) {
2102 pr_err("Data file does not have raw_syscalls:sys_enter event\n");
2103 goto out;
2104 }
2105
2106 if (perf_evsel__init_syscall_tp(evsel, trace__sys_enter) < 0 ||
2107 perf_evsel__init_sc_tp_ptr_field(evsel, args)) {
2108 pr_err("Error during initialize raw_syscalls:sys_enter event\n");
2109 goto out;
2110 }
2111
2112 evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
2113 "raw_syscalls:sys_exit");
9aca7f17
DA		 2114 if (evsel == NULL)
2115 evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
2116 "syscalls:sys_exit");
003824e8
NK		 2117 if (evsel == NULL) {
2118 pr_err("Data file does not have raw_syscalls:sys_exit event\n");
6810fc91
DA		 2119 goto out;
2120 }
2121
003824e8
NK		 2122 if (perf_evsel__init_syscall_tp(evsel, trace__sys_exit) < 0 ||
2123 perf_evsel__init_sc_tp_uint_field(evsel, ret)) {
2124 pr_err("Error during initialize raw_syscalls:sys_exit event\n");
6810fc91
DA		 2125 goto out;
2126 }
2127
bdc89661
DA		 2128 err = parse_target_str(trace);
2129 if (err != 0)
2130 goto out;
2131
6810fc91
DA		 2132 setup_pager();
2133
2134 err = perf_session__process_events(session, &trace->tool);
2135 if (err)
2136 pr_err("Failed to process events, error %d", err);
2137
bf2575c1
DA		 2138 else if (trace->summary)
2139 trace__fprintf_thread_summary(trace, trace->output);
2140
6810fc91
DA		 2141out:
2142 perf_session__delete(session);
2143
2144 return err;
2145}
2146
1302d88e
ACM		 2147static size_t trace__fprintf_threads_header(FILE *fp)
2148{
2149 size_t printed;
2150
99ff7150 2151 printed = fprintf(fp, "\n Summary of events:\n\n");
bf2575c1
DA		 2152
2153 return printed;
2154}
2155
2156static size_t thread__dump_stats(struct thread_trace *ttrace,
2157 struct trace *trace, FILE *fp)
2158{
2159 struct stats *stats;
2160 size_t printed = 0;
2161 struct syscall *sc;
2162 struct int_node *inode = intlist__first(ttrace->syscall_stats);
2163
2164 if (inode == NULL)
2165 return 0;
2166
2167 printed += fprintf(fp, "\n");
2168
27a778b5
PE		 2169 printed += fprintf(fp, " syscall calls min avg max stddev\n");
2170 printed += fprintf(fp, " (msec) (msec) (msec) (%%)\n");
2171 printed += fprintf(fp, " --------------- -------- --------- --------- --------- ------\n");
99ff7150 2172
bf2575c1
DA		 2173 /* each int_node is a syscall */
2174 while (inode) {
2175 stats = inode->priv;
2176 if (stats) {
2177 double min = (double)(stats->min) / NSEC_PER_MSEC;
2178 double max = (double)(stats->max) / NSEC_PER_MSEC;
2179 double avg = avg_stats(stats);
2180 double pct;
2181 u64 n = (u64) stats->n;
2182
2183 pct = avg ? 100.0 * stddev_stats(stats)/avg : 0.0;
2184 avg /= NSEC_PER_MSEC;
2185
2186 sc = &trace->syscalls.table[inode->i];
99ff7150 2187 printed += fprintf(fp, " %-15s", sc->name);
27a778b5 2188 printed += fprintf(fp, " %8" PRIu64 " %9.3f %9.3f",
7f7a4138 2189 n, min, avg);
27a778b5 2190 printed += fprintf(fp, " %9.3f %9.2f%%\n", max, pct);
bf2575c1
DA		 2191 }
2192
2193 inode = intlist__next(inode);
2194 }
2195
2196 printed += fprintf(fp, "\n\n");
1302d88e
ACM		 2197
2198 return printed;
2199}
2200
896cbb56
DA		 2201/* struct used to pass data to per-thread function */
2202struct summary_data {
2203 FILE *fp;
2204 struct trace *trace;
2205 size_t printed;
2206};
2207
2208static int trace__fprintf_one_thread(struct thread *thread, void *priv)
2209{
2210 struct summary_data *data = priv;
2211 FILE *fp = data->fp;
2212 size_t printed = data->printed;
2213 struct trace *trace = data->trace;
2214 struct thread_trace *ttrace = thread->priv;
896cbb56
DA		 2215 double ratio;
2216
2217 if (ttrace == NULL)
2218 return 0;
2219
2220 ratio = (double)ttrace->nr_events / trace->nr_events * 100.0;
2221
15e65c69 2222 printed += fprintf(fp, " %s (%d), ", thread__comm_str(thread), thread->tid);
99ff7150 2223 printed += fprintf(fp, "%lu events, ", ttrace->nr_events);
15e65c69 2224 printed += fprintf(fp, "%.1f%%", ratio);
99ff7150 2225 printed += fprintf(fp, ", %.3f msec\n", ttrace->runtime_ms);
bf2575c1 2226 printed += thread__dump_stats(ttrace, trace, fp);
896cbb56
DA		 2227
2228 data->printed += printed;
2229
2230 return 0;
2231}
2232
1302d88e
ACM		 2233static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp)
2234{
896cbb56
DA		 2235 struct summary_data data = {
2236 .fp = fp,
2237 .trace = trace
2238 };
2239 data.printed = trace__fprintf_threads_header(fp);
1302d88e 2240
896cbb56
DA		 2241 machine__for_each_thread(trace->host, trace__fprintf_one_thread, &data);
2242
2243 return data.printed;
1302d88e
ACM		 2244}
2245
ae9ed035
ACM		 2246static int trace__set_duration(const struct option *opt, const char *str,
2247 int unset __maybe_unused)
2248{
2249 struct trace *trace = opt->value;
2250
2251 trace->duration_filter = atof(str);
2252 return 0;
2253}
2254
c24ff998
ACM		 2255static int trace__open_output(struct trace *trace, const char *filename)
2256{
2257 struct stat st;
2258
2259 if (!stat(filename, &st) && st.st_size) {
2260 char oldname[PATH_MAX];
2261
2262 scnprintf(oldname, sizeof(oldname), "%s.old", filename);
2263 unlink(oldname);
2264 rename(filename, oldname);
2265 }
2266
2267 trace->output = fopen(filename, "w");
2268
2269 return trace->output == NULL ? -errno : 0;
2270}
2271
514f1c67
ACM		 2272int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused)
2273{
2274 const char * const trace_usage[] = {
f15eb531
NK		 2275 "perf trace [<options>] [<command>]",
2276 "perf trace [<options>] -- <command> [<options>]",
5e2485b1
DA		 2277 "perf trace record [<options>] [<command>]",
2278 "perf trace record [<options>] -- <command> [<options>]",
514f1c67
ACM		 2279 NULL
2280 };
2281 struct trace trace = {
c522739d
ACM		 2282 .audit = {
2283 .machine = audit_detect_machine(),
2284 .open_id = audit_name_to_syscall("open", trace.audit.machine),
2285 },
514f1c67
ACM		 2286 .syscalls = {
2287 . max = -1,
2288 },
2289 .opts = {
2290 .target = {
2291 .uid = UINT_MAX,
2292 .uses_mmap = true,
2293 },
2294 .user_freq = UINT_MAX,
2295 .user_interval = ULLONG_MAX,
509051ea 2296 .no_buffering = true,
514f1c67
ACM		 2297 .mmap_pages = 1024,
2298 },
c24ff998 2299 .output = stdout,
50c95cbd 2300 .show_comm = true,
514f1c67 2301 };
c24ff998 2302 const char *output_name = NULL;
2ae3a312 2303 const char *ev_qualifier_str = NULL;
514f1c67 2304 const struct option trace_options[] = {
50c95cbd
ACM		 2305 OPT_BOOLEAN(0, "comm", &trace.show_comm,
2306 "show the thread COMM next to its id"),
c522739d 2307 OPT_BOOLEAN(0, "tool_stats", &trace.show_tool_stats, "show tool stats"),
2ae3a312
ACM		 2308 OPT_STRING('e', "expr", &ev_qualifier_str, "expr",
2309 "list of events to trace"),
c24ff998 2310 OPT_STRING('o', "output", &output_name, "file", "output file name"),
6810fc91 2311 OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"),
514f1c67
ACM		 2312 OPT_STRING('p', "pid", &trace.opts.target.pid, "pid",
2313 "trace events on existing process id"),
ac9be8ee 2314 OPT_STRING('t', "tid", &trace.opts.target.tid, "tid",
514f1c67 2315 "trace events on existing thread id"),
ac9be8ee 2316 OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide,
514f1c67 2317 "system-wide collection from all CPUs"),
ac9be8ee 2318 OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu",
514f1c67 2319 "list of cpus to monitor"),
6810fc91 2320 OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit,
514f1c67 2321 "child tasks do not inherit counters"),
994a1f78
JO		 2322 OPT_CALLBACK('m', "mmap-pages", &trace.opts.mmap_pages, "pages",
2323 "number of mmap data pages",
2324 perf_evlist__parse_mmap_pages),
ac9be8ee 2325 OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user",
514f1c67 2326 "user to profile"),
ae9ed035
ACM		 2327 OPT_CALLBACK(0, "duration", &trace, "float",
2328 "show only events with duration > N.M ms",
2329 trace__set_duration),
1302d88e 2330 OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"),
7c304ee0 2331 OPT_INCR('v', "verbose", &verbose, "be more verbose"),
4bb09192
DA		 2332 OPT_BOOLEAN('T', "time", &trace.full_time,
2333 "Show full timestamp, not time relative to first start"),
fd2eabaf
DA		 2334 OPT_BOOLEAN('s', "summary", &trace.summary_only,
2335 "Show only syscall summary with statistics"),
2336 OPT_BOOLEAN('S', "with-summary", &trace.summary,
2337 "Show all syscalls and summary with statistics"),
514f1c67
ACM		 2338 OPT_END()
2339 };
2340 int err;
32caf0d1 2341 char bf[BUFSIZ];
514f1c67 2342
5e2485b1
DA		 2343 if ((argc > 1) && (strcmp(argv[1], "record") == 0))
2344 return trace__record(argc-2, &argv[2]);
2345
514f1c67 2346 argc = parse_options(argc, argv, trace_options, trace_usage, 0);
514f1c67 2347
fd2eabaf
DA		 2348 /* summary_only implies summary option, but don't overwrite summary if set */
2349 if (trace.summary_only)
2350 trace.summary = trace.summary_only;
2351
c24ff998
ACM		 2352 if (output_name != NULL) {
2353 err = trace__open_output(&trace, output_name);
2354 if (err < 0) {
2355 perror("failed to create output file");
2356 goto out;
2357 }
2358 }
2359
2ae3a312 2360 if (ev_qualifier_str != NULL) {
b059efdf
ACM		 2361 const char *s = ev_qualifier_str;
2362
2363 trace.not_ev_qualifier = *s == '!';
2364 if (trace.not_ev_qualifier)
2365 ++s;
2366 trace.ev_qualifier = strlist__new(true, s);
2ae3a312 2367 if (trace.ev_qualifier == NULL) {
c24ff998
ACM		 2368 fputs("Not enough memory to parse event qualifier",
2369 trace.output);
2370 err = -ENOMEM;
2371 goto out_close;
2ae3a312
ACM		 2372 }
2373 }
2374
602ad878 2375 err = target__validate(&trace.opts.target);
32caf0d1 2376 if (err) {
602ad878 2377 target__strerror(&trace.opts.target, err, bf, sizeof(bf));
c24ff998
ACM		 2378 fprintf(trace.output, "%s", bf);
2379 goto out_close;
32caf0d1
NK		 2380 }
2381
602ad878 2382 err = target__parse_uid(&trace.opts.target);
514f1c67 2383 if (err) {
602ad878 2384 target__strerror(&trace.opts.target, err, bf, sizeof(bf));
c24ff998
ACM		 2385 fprintf(trace.output, "%s", bf);
2386 goto out_close;
514f1c67
ACM		 2387 }
2388
602ad878 2389 if (!argc && target__none(&trace.opts.target))
ee76120e
NK		 2390 trace.opts.target.system_wide = true;
2391
6810fc91
DA		 2392 if (input_name)
2393 err = trace__replay(&trace);
2394 else
2395 err = trace__run(&trace, argc, argv);
1302d88e 2396
c24ff998
ACM		 2397out_close:
2398 if (output_name != NULL)
2399 fclose(trace.output);
2400out:
1302d88e 2401 return err;
514f1c67 2402}
Linux 6.x block layer and io_uring tree(s)