1 #include <traceevent/event-parse.h>
3 #include "util/color.h"
4 #include "util/debug.h"
5 #include "util/evlist.h"
6 #include "util/machine.h"
7 #include "util/session.h"
8 #include "util/thread.h"
9 #include "util/parse-options.h"
10 #include "util/strlist.h"
11 #include "util/intlist.h"
12 #include "util/thread_map.h"
13 #include "util/stat.h"
17 #include <sys/eventfd.h>
19 #include <linux/futex.h>
21 /* For older distros: */
23 # define MAP_STACK 0x20000
27 # define MADV_HWPOISON 100
30 #ifndef MADV_MERGEABLE
31 # define MADV_MERGEABLE 12
34 #ifndef MADV_UNMERGEABLE
35 # define MADV_UNMERGEABLE 13
41 u64 (*integer
)(struct tp_field
*field
, struct perf_sample
*sample
);
42 void *(*pointer
)(struct tp_field
*field
, struct perf_sample
*sample
);
46 #define TP_UINT_FIELD(bits) \
47 static u64 tp_field__u##bits(struct tp_field *field, struct perf_sample *sample) \
49 return *(u##bits *)(sample->raw_data + field->offset); \
57 #define TP_UINT_FIELD__SWAPPED(bits) \
58 static u64 tp_field__swapped_u##bits(struct tp_field *field, struct perf_sample *sample) \
60 u##bits value = *(u##bits *)(sample->raw_data + field->offset); \
61 return bswap_##bits(value);\
64 TP_UINT_FIELD__SWAPPED(16);
65 TP_UINT_FIELD__SWAPPED(32);
66 TP_UINT_FIELD__SWAPPED(64);
68 static int tp_field__init_uint(struct tp_field
*field
,
69 struct format_field
*format_field
,
72 field
->offset
= format_field
->offset
;
74 switch (format_field
->size
) {
76 field
->integer
= tp_field__u8
;
79 field
->integer
= needs_swap
? tp_field__swapped_u16
: tp_field__u16
;
82 field
->integer
= needs_swap
? tp_field__swapped_u32
: tp_field__u32
;
85 field
->integer
= needs_swap
? tp_field__swapped_u64
: tp_field__u64
;
94 static void *tp_field__ptr(struct tp_field
*field
, struct perf_sample
*sample
)
96 return sample
->raw_data
+ field
->offset
;
99 static int tp_field__init_ptr(struct tp_field
*field
, struct format_field
*format_field
)
101 field
->offset
= format_field
->offset
;
102 field
->pointer
= tp_field__ptr
;
109 struct tp_field args
, ret
;
113 static int perf_evsel__init_tp_uint_field(struct perf_evsel
*evsel
,
114 struct tp_field
*field
,
117 struct format_field
*format_field
= perf_evsel__field(evsel
, name
);
119 if (format_field
== NULL
)
122 return tp_field__init_uint(field
, format_field
, evsel
->needs_swap
);
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); })
129 static int perf_evsel__init_tp_ptr_field(struct perf_evsel
*evsel
,
130 struct tp_field
*field
,
133 struct format_field
*format_field
= perf_evsel__field(evsel
, name
);
135 if (format_field
== NULL
)
138 return tp_field__init_ptr(field
, format_field
);
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); })
145 static void perf_evsel__delete_priv(struct perf_evsel
*evsel
)
149 perf_evsel__delete(evsel
);
152 static int perf_evsel__init_syscall_tp(struct perf_evsel
*evsel
, void *handler
)
154 evsel
->priv
= malloc(sizeof(struct syscall_tp
));
155 if (evsel
->priv
!= NULL
) {
156 if (perf_evsel__init_sc_tp_uint_field(evsel
, id
))
159 evsel
->handler
= handler
;
171 static struct perf_evsel
*perf_evsel__syscall_newtp(const char *direction
, void *handler
)
173 struct perf_evsel
*evsel
= perf_evsel__newtp("raw_syscalls", direction
);
176 if (perf_evsel__init_syscall_tp(evsel
, handler
))
183 perf_evsel__delete_priv(evsel
);
187 #define perf_evsel__sc_tp_uint(evsel, name, sample) \
188 ({ struct syscall_tp *fields = evsel->priv; \
189 fields->name.integer(&fields->name, sample); })
191 #define perf_evsel__sc_tp_ptr(evsel, name, sample) \
192 ({ struct syscall_tp *fields = evsel->priv; \
193 fields->name.pointer(&fields->name, sample); })
195 static int perf_evlist__add_syscall_newtp(struct perf_evlist
*evlist
,
196 void *sys_enter_handler
,
197 void *sys_exit_handler
)
200 struct perf_evsel
*sys_enter
, *sys_exit
;
202 sys_enter
= perf_evsel__syscall_newtp("sys_enter", sys_enter_handler
);
203 if (sys_enter
== NULL
)
206 if (perf_evsel__init_sc_tp_ptr_field(sys_enter
, args
))
207 goto out_delete_sys_enter
;
209 sys_exit
= perf_evsel__syscall_newtp("sys_exit", sys_exit_handler
);
210 if (sys_exit
== NULL
)
211 goto out_delete_sys_enter
;
213 if (perf_evsel__init_sc_tp_uint_field(sys_exit
, ret
))
214 goto out_delete_sys_exit
;
216 perf_evlist__add(evlist
, sys_enter
);
217 perf_evlist__add(evlist
, sys_exit
);
224 perf_evsel__delete_priv(sys_exit
);
225 out_delete_sys_enter
:
226 perf_evsel__delete_priv(sys_enter
);
233 struct thread
*thread
;
243 const char **entries
;
246 #define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \
247 .nr_entries = ARRAY_SIZE(array), \
251 #define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \
253 .nr_entries = ARRAY_SIZE(array), \
257 static size_t __syscall_arg__scnprintf_strarray(char *bf
, size_t size
,
259 struct syscall_arg
*arg
)
261 struct strarray
*sa
= arg
->parm
;
262 int idx
= arg
->val
- sa
->offset
;
264 if (idx
< 0 || idx
>= sa
->nr_entries
)
265 return scnprintf(bf
, size
, intfmt
, arg
->val
);
267 return scnprintf(bf
, size
, "%s", sa
->entries
[idx
]);
270 static size_t syscall_arg__scnprintf_strarray(char *bf
, size_t size
,
271 struct syscall_arg
*arg
)
273 return __syscall_arg__scnprintf_strarray(bf
, size
, "%d", arg
);
276 #define SCA_STRARRAY syscall_arg__scnprintf_strarray
278 static size_t syscall_arg__scnprintf_strhexarray(char *bf
, size_t size
,
279 struct syscall_arg
*arg
)
281 return __syscall_arg__scnprintf_strarray(bf
, size
, "%#x", arg
);
284 #define SCA_STRHEXARRAY syscall_arg__scnprintf_strhexarray
286 static size_t syscall_arg__scnprintf_fd(char *bf
, size_t size
,
287 struct syscall_arg
*arg
);
289 #define SCA_FD syscall_arg__scnprintf_fd
291 static size_t syscall_arg__scnprintf_fd_at(char *bf
, size_t size
,
292 struct syscall_arg
*arg
)
297 return scnprintf(bf
, size
, "CWD");
299 return syscall_arg__scnprintf_fd(bf
, size
, arg
);
302 #define SCA_FDAT syscall_arg__scnprintf_fd_at
304 static size_t syscall_arg__scnprintf_close_fd(char *bf
, size_t size
,
305 struct syscall_arg
*arg
);
307 #define SCA_CLOSE_FD syscall_arg__scnprintf_close_fd
309 static size_t syscall_arg__scnprintf_hex(char *bf
, size_t size
,
310 struct syscall_arg
*arg
)
312 return scnprintf(bf
, size
, "%#lx", arg
->val
);
315 #define SCA_HEX syscall_arg__scnprintf_hex
317 static size_t syscall_arg__scnprintf_mmap_prot(char *bf
, size_t size
,
318 struct syscall_arg
*arg
)
320 int printed
= 0, prot
= arg
->val
;
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); \
336 P_MMAP_PROT(GROWSDOWN
);
337 P_MMAP_PROT(GROWSUP
);
341 printed
+= scnprintf(bf
+ printed
, size
- printed
, "%s%#x", printed
? "|" : "", prot
);
346 #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot
348 static size_t syscall_arg__scnprintf_mmap_flags(char *bf
, size_t size
,
349 struct syscall_arg
*arg
)
351 int printed
= 0, flags
= arg
->val
;
353 #define P_MMAP_FLAG(n) \
354 if (flags & MAP_##n) { \
355 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
360 P_MMAP_FLAG(PRIVATE
);
364 P_MMAP_FLAG(ANONYMOUS
);
365 P_MMAP_FLAG(DENYWRITE
);
366 P_MMAP_FLAG(EXECUTABLE
);
369 P_MMAP_FLAG(GROWSDOWN
);
371 P_MMAP_FLAG(HUGETLB
);
374 P_MMAP_FLAG(NONBLOCK
);
375 P_MMAP_FLAG(NORESERVE
);
376 P_MMAP_FLAG(POPULATE
);
378 #ifdef MAP_UNINITIALIZED
379 P_MMAP_FLAG(UNINITIALIZED
);
384 printed
+= scnprintf(bf
+ printed
, size
- printed
, "%s%#x", printed
? "|" : "", flags
);
389 #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
391 static size_t syscall_arg__scnprintf_madvise_behavior(char *bf
, size_t size
,
392 struct syscall_arg
*arg
)
394 int behavior
= arg
->val
;
397 #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n)
400 P_MADV_BHV(SEQUENTIAL
);
401 P_MADV_BHV(WILLNEED
);
402 P_MADV_BHV(DONTNEED
);
404 P_MADV_BHV(DONTFORK
);
406 P_MADV_BHV(HWPOISON
);
407 #ifdef MADV_SOFT_OFFLINE
408 P_MADV_BHV(SOFT_OFFLINE
);
410 P_MADV_BHV(MERGEABLE
);
411 P_MADV_BHV(UNMERGEABLE
);
413 P_MADV_BHV(HUGEPAGE
);
415 #ifdef MADV_NOHUGEPAGE
416 P_MADV_BHV(NOHUGEPAGE
);
419 P_MADV_BHV(DONTDUMP
);
428 return scnprintf(bf
, size
, "%#x", behavior
);
431 #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior
433 static size_t syscall_arg__scnprintf_flock(char *bf
, size_t size
,
434 struct syscall_arg
*arg
)
436 int printed
= 0, op
= arg
->val
;
439 return scnprintf(bf
, size
, "NONE");
441 if ((op & LOCK_##cmd) == LOCK_##cmd) { \
442 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \
457 printed
+= scnprintf(bf
+ printed
, size
- printed
, "%s%#x", printed
? "|" : "", op
);
462 #define SCA_FLOCK syscall_arg__scnprintf_flock
464 static size_t syscall_arg__scnprintf_futex_op(char *bf
, size_t size
, struct syscall_arg
*arg
)
466 enum syscall_futex_args
{
467 SCF_UADDR
= (1 << 0),
470 SCF_TIMEOUT
= (1 << 3),
471 SCF_UADDR2
= (1 << 4),
475 int cmd
= op
& FUTEX_CMD_MASK
;
479 #define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, #n);
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;
486 P_FUTEX_OP(WAKE_OP
); break;
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;
492 P_FUTEX_OP(WAIT_REQUEUE_PI
); break;
493 default: printed
= scnprintf(bf
, size
, "%#x", cmd
); break;
496 if (op
& FUTEX_PRIVATE_FLAG
)
497 printed
+= scnprintf(bf
+ printed
, size
- printed
, "|PRIV");
499 if (op
& FUTEX_CLOCK_REALTIME
)
500 printed
+= scnprintf(bf
+ printed
, size
- printed
, "|CLKRT");
505 #define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op
507 static const char *epoll_ctl_ops
[] = { "ADD", "DEL", "MOD", };
508 static DEFINE_STRARRAY_OFFSET(epoll_ctl_ops
, 1);
510 static const char *itimers
[] = { "REAL", "VIRTUAL", "PROF", };
511 static DEFINE_STRARRAY(itimers
);
513 static const char *whences
[] = { "SET", "CUR", "END",
521 static DEFINE_STRARRAY(whences
);
523 static 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",
529 static DEFINE_STRARRAY(fcntl_cmds
);
531 static const char *rlimit_resources
[] = {
532 "CPU", "FSIZE", "DATA", "STACK", "CORE", "RSS", "NPROC", "NOFILE",
533 "MEMLOCK", "AS", "LOCKS", "SIGPENDING", "MSGQUEUE", "NICE", "RTPRIO",
536 static DEFINE_STRARRAY(rlimit_resources
);
538 static const char *sighow
[] = { "BLOCK", "UNBLOCK", "SETMASK", };
539 static DEFINE_STRARRAY(sighow
);
541 static const char *clockid
[] = {
542 "REALTIME", "MONOTONIC", "PROCESS_CPUTIME_ID", "THREAD_CPUTIME_ID",
543 "MONOTONIC_RAW", "REALTIME_COARSE", "MONOTONIC_COARSE",
545 static DEFINE_STRARRAY(clockid
);
547 static 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",
555 static DEFINE_STRARRAY(socket_families
);
557 #ifndef SOCK_TYPE_MASK
558 #define SOCK_TYPE_MASK 0xf
561 static size_t syscall_arg__scnprintf_socket_type(char *bf
, size_t size
,
562 struct syscall_arg
*arg
)
566 flags
= type
& ~SOCK_TYPE_MASK
;
568 type
&= SOCK_TYPE_MASK
;
570 * Can't use a strarray, MIPS may override for ABI reasons.
573 #define P_SK_TYPE(n) case SOCK_##n: printed = scnprintf(bf, size, #n); break;
578 P_SK_TYPE(SEQPACKET
);
583 printed
= scnprintf(bf
, size
, "%#x", type
);
586 #define P_SK_FLAG(n) \
587 if (flags & SOCK_##n) { \
588 printed += scnprintf(bf + printed, size - printed, "|%s", #n); \
589 flags &= ~SOCK_##n; \
597 printed
+= scnprintf(bf
+ printed
, size
- printed
, "|%#x", flags
);
602 #define SCA_SK_TYPE syscall_arg__scnprintf_socket_type
605 #define MSG_PROBE 0x10
607 #ifndef MSG_WAITFORONE
608 #define MSG_WAITFORONE 0x10000
610 #ifndef MSG_SENDPAGE_NOTLAST
611 #define MSG_SENDPAGE_NOTLAST 0x20000
614 #define MSG_FASTOPEN 0x20000000
617 static size_t syscall_arg__scnprintf_msg_flags(char *bf
, size_t size
,
618 struct syscall_arg
*arg
)
620 int printed
= 0, flags
= arg
->val
;
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); \
632 P_MSG_FLAG(DONTROUTE
);
637 P_MSG_FLAG(DONTWAIT
);
644 P_MSG_FLAG(ERRQUEUE
);
645 P_MSG_FLAG(NOSIGNAL
);
647 P_MSG_FLAG(WAITFORONE
);
648 P_MSG_FLAG(SENDPAGE_NOTLAST
);
649 P_MSG_FLAG(FASTOPEN
);
650 P_MSG_FLAG(CMSG_CLOEXEC
);
654 printed
+= scnprintf(bf
+ printed
, size
- printed
, "%s%#x", printed
? "|" : "", flags
);
659 #define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags
661 static size_t syscall_arg__scnprintf_access_mode(char *bf
, size_t size
,
662 struct syscall_arg
*arg
)
667 if (mode
== F_OK
) /* 0 */
668 return scnprintf(bf
, size
, "F");
670 if (mode & n##_OK) { \
671 printed += scnprintf(bf + printed, size - printed, "%s", #n); \
681 printed
+= scnprintf(bf
+ printed
, size
- printed
, "|%#x", mode
);
686 #define SCA_ACCMODE syscall_arg__scnprintf_access_mode
688 static size_t syscall_arg__scnprintf_open_flags(char *bf
, size_t size
,
689 struct syscall_arg
*arg
)
691 int printed
= 0, flags
= arg
->val
;
693 if (!(flags
& O_CREAT
))
694 arg
->mask
|= 1 << (arg
->idx
+ 1); /* Mask the mode parm */
697 return scnprintf(bf
, size
, "RDONLY");
699 if (flags & O_##n) { \
700 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
724 if ((flags
& O_SYNC
) == O_SYNC
)
725 printed
+= scnprintf(bf
+ printed
, size
- printed
, "%s%s", printed
? "|" : "", "SYNC");
737 printed
+= scnprintf(bf
+ printed
, size
- printed
, "%s%#x", printed
? "|" : "", flags
);
742 #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags
744 static size_t syscall_arg__scnprintf_eventfd_flags(char *bf
, size_t size
,
745 struct syscall_arg
*arg
)
747 int printed
= 0, flags
= arg
->val
;
750 return scnprintf(bf
, size
, "NONE");
752 if (flags & EFD_##n) { \
753 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
763 printed
+= scnprintf(bf
+ printed
, size
- printed
, "%s%#x", printed
? "|" : "", flags
);
768 #define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags
770 static size_t syscall_arg__scnprintf_pipe_flags(char *bf
, size_t size
,
771 struct syscall_arg
*arg
)
773 int printed
= 0, flags
= arg
->val
;
776 if (flags & O_##n) { \
777 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
786 printed
+= scnprintf(bf
+ printed
, size
- printed
, "%s%#x", printed
? "|" : "", flags
);
791 #define SCA_PIPE_FLAGS syscall_arg__scnprintf_pipe_flags
793 static size_t syscall_arg__scnprintf_signum(char *bf
, size_t size
, struct syscall_arg
*arg
)
798 #define P_SIGNUM(n) case SIG##n: return scnprintf(bf, size, #n)
833 return scnprintf(bf
, size
, "%#x", sig
);
836 #define SCA_SIGNUM syscall_arg__scnprintf_signum
838 #define TCGETS 0x5401
840 static 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",
858 static DEFINE_STRARRAY_OFFSET(tioctls
, 0x5401);
860 #define STRARRAY(arg, name, array) \
861 .arg_scnprintf = { [arg] = SCA_STRARRAY, }, \
862 .arg_parm = { [arg] = &strarray__##array, }
864 static struct syscall_fmt
{
867 size_t (*arg_scnprintf
[6])(char *bf
, size_t size
, struct syscall_arg
*arg
);
873 { .name
= "access", .errmsg
= true,
874 .arg_scnprintf
= { [1] = SCA_ACCMODE
, /* mode */ }, },
875 { .name
= "arch_prctl", .errmsg
= true, .alias
= "prctl", },
876 { .name
= "brk", .hexret
= true,
877 .arg_scnprintf
= { [0] = SCA_HEX
, /* brk */ }, },
878 { .name
= "clock_gettime", .errmsg
= true, STRARRAY(0, clk_id
, clockid
), },
879 { .name
= "close", .errmsg
= true,
880 .arg_scnprintf
= { [0] = SCA_CLOSE_FD
, /* fd */ }, },
881 { .name
= "connect", .errmsg
= true, },
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 */ }, },
888 { .name
= "epoll_ctl", .errmsg
= true, STRARRAY(1, op
, epoll_ctl_ops
), },
889 { .name
= "eventfd2", .errmsg
= true,
890 .arg_scnprintf
= { [1] = SCA_EFD_FLAGS
, /* flags */ }, },
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 */ }, },
913 { .name
= "flock", .errmsg
= true,
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 */ }, },
928 { .name
= "futex", .errmsg
= true,
929 .arg_scnprintf
= { [1] = SCA_FUTEX_OP
, /* op */ }, },
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 */ }, },
936 { .name
= "getitimer", .errmsg
= true, STRARRAY(0, which
, itimers
), },
937 { .name
= "getrlimit", .errmsg
= true, STRARRAY(0, resource
, rlimit_resources
), },
938 { .name
= "ioctl", .errmsg
= true,
939 .arg_scnprintf
= { [0] = SCA_FD
, /* fd */
940 [1] = SCA_STRHEXARRAY
, /* cmd */
941 [2] = SCA_HEX
, /* arg */ },
942 .arg_parm
= { [1] = &strarray__tioctls
, /* cmd */ }, },
943 { .name
= "kill", .errmsg
= true,
944 .arg_scnprintf
= { [1] = SCA_SIGNUM
, /* sig */ }, },
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 */ }, },
951 { .name
= "lstat", .errmsg
= true, .alias
= "newlstat", },
952 { .name
= "madvise", .errmsg
= true,
953 .arg_scnprintf
= { [0] = SCA_HEX
, /* start */
954 [2] = SCA_MADV_BHV
, /* behavior */ }, },
955 { .name
= "mkdirat", .errmsg
= true,
956 .arg_scnprintf
= { [0] = SCA_FDAT
, /* fd */ }, },
957 { .name
= "mknodat", .errmsg
= true,
958 .arg_scnprintf
= { [0] = SCA_FDAT
, /* fd */ }, },
959 { .name
= "mlock", .errmsg
= true,
960 .arg_scnprintf
= { [0] = SCA_HEX
, /* addr */ }, },
961 { .name
= "mlockall", .errmsg
= true,
962 .arg_scnprintf
= { [0] = SCA_HEX
, /* addr */ }, },
963 { .name
= "mmap", .hexret
= true,
964 .arg_scnprintf
= { [0] = SCA_HEX
, /* addr */
965 [2] = SCA_MMAP_PROT
, /* prot */
966 [3] = SCA_MMAP_FLAGS
, /* flags */
967 [4] = SCA_FD
, /* fd */ }, },
968 { .name
= "mprotect", .errmsg
= true,
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 */ }, },
974 { .name
= "munlock", .errmsg
= true,
975 .arg_scnprintf
= { [0] = SCA_HEX
, /* addr */ }, },
976 { .name
= "munmap", .errmsg
= true,
977 .arg_scnprintf
= { [0] = SCA_HEX
, /* addr */ }, },
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 */ }, },
982 { .name
= "open", .errmsg
= true,
983 .arg_scnprintf
= { [1] = SCA_OPEN_FLAGS
, /* flags */ }, },
984 { .name
= "open_by_handle_at", .errmsg
= true,
985 .arg_scnprintf
= { [0] = SCA_FDAT
, /* dfd */
986 [2] = SCA_OPEN_FLAGS
, /* flags */ }, },
987 { .name
= "openat", .errmsg
= true,
988 .arg_scnprintf
= { [0] = SCA_FDAT
, /* dfd */
989 [2] = SCA_OPEN_FLAGS
, /* flags */ }, },
990 { .name
= "pipe2", .errmsg
= true,
991 .arg_scnprintf
= { [1] = SCA_PIPE_FLAGS
, /* flags */ }, },
992 { .name
= "poll", .errmsg
= true, .timeout
= true, },
993 { .name
= "ppoll", .errmsg
= true, .timeout
= true, },
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 */ }, },
998 { .name
= "prlimit64", .errmsg
= true, STRARRAY(1, resource
, rlimit_resources
), },
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 */ }, },
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 */ }, },
1015 { .name
= "renameat", .errmsg
= true,
1016 .arg_scnprintf
= { [0] = SCA_FDAT
, /* dfd */ }, },
1017 { .name
= "rt_sigaction", .errmsg
= true,
1018 .arg_scnprintf
= { [0] = SCA_SIGNUM
, /* sig */ }, },
1019 { .name
= "rt_sigprocmask", .errmsg
= true, STRARRAY(0, how
, sighow
), },
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 */ }, },
1024 { .name
= "select", .errmsg
= true, .timeout
= true, },
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 */ }, },
1031 { .name
= "setitimer", .errmsg
= true, STRARRAY(0, which
, itimers
), },
1032 { .name
= "setrlimit", .errmsg
= true, STRARRAY(0, resource
, rlimit_resources
), },
1033 { .name
= "shutdown", .errmsg
= true,
1034 .arg_scnprintf
= { [0] = SCA_FD
, /* fd */ }, },
1035 { .name
= "socket", .errmsg
= true,
1036 .arg_scnprintf
= { [0] = SCA_STRARRAY
, /* family */
1037 [1] = SCA_SK_TYPE
, /* type */ },
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 */ },
1042 .arg_parm
= { [0] = &strarray__socket_families
, /* family */ }, },
1043 { .name
= "stat", .errmsg
= true, .alias
= "newstat", },
1044 { .name
= "symlinkat", .errmsg
= true,
1045 .arg_scnprintf
= { [0] = SCA_FDAT
, /* dfd */ }, },
1046 { .name
= "tgkill", .errmsg
= true,
1047 .arg_scnprintf
= { [2] = SCA_SIGNUM
, /* sig */ }, },
1048 { .name
= "tkill", .errmsg
= true,
1049 .arg_scnprintf
= { [1] = SCA_SIGNUM
, /* sig */ }, },
1050 { .name
= "uname", .errmsg
= true, .alias
= "newuname", },
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 */ }, },
1061 static int syscall_fmt__cmp(const void *name
, const void *fmtp
)
1063 const struct syscall_fmt
*fmt
= fmtp
;
1064 return strcmp(name
, fmt
->name
);
1067 static struct syscall_fmt
*syscall_fmt__find(const char *name
)
1069 const int nmemb
= ARRAY_SIZE(syscall_fmts
);
1070 return bsearch(name
, syscall_fmts
, nmemb
, sizeof(struct syscall_fmt
), syscall_fmt__cmp
);
1074 struct event_format
*tp_format
;
1077 struct syscall_fmt
*fmt
;
1078 size_t (**arg_scnprintf
)(char *bf
, size_t size
, struct syscall_arg
*arg
);
1082 static size_t fprintf_duration(unsigned long t
, FILE *fp
)
1084 double duration
= (double)t
/ NSEC_PER_MSEC
;
1085 size_t printed
= fprintf(fp
, "(");
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
);
1092 printed
+= color_fprintf(fp
, PERF_COLOR_NORMAL
, "%6.3f ms", duration
);
1093 return printed
+ fprintf(fp
, "): ");
1096 struct thread_trace
{
1100 unsigned long nr_events
;
1108 struct intlist
*syscall_stats
;
1111 static struct thread_trace
*thread_trace__new(void)
1113 struct thread_trace
*ttrace
= zalloc(sizeof(struct thread_trace
));
1116 ttrace
->paths
.max
= -1;
1118 ttrace
->syscall_stats
= intlist__new(NULL
);
1123 static struct thread_trace
*thread__trace(struct thread
*thread
, FILE *fp
)
1125 struct thread_trace
*ttrace
;
1130 if (thread
->priv
== NULL
)
1131 thread
->priv
= thread_trace__new();
1133 if (thread
->priv
== NULL
)
1136 ttrace
= thread
->priv
;
1137 ++ttrace
->nr_events
;
1141 color_fprintf(fp
, PERF_COLOR_RED
,
1142 "WARNING: not enough memory, dropping samples!\n");
1147 struct perf_tool tool
;
1154 struct syscall
*table
;
1156 struct perf_record_opts opts
;
1157 struct machine
*host
;
1161 unsigned long nr_events
;
1162 struct strlist
*ev_qualifier
;
1163 bool not_ev_qualifier
;
1165 const char *last_vfs_getname
;
1166 struct intlist
*tid_list
;
1167 struct intlist
*pid_list
;
1169 bool multiple_threads
;
1173 bool show_tool_stats
;
1174 double duration_filter
;
1177 u64 vfs_getname
, proc_getname
;
1181 static int trace__set_fd_pathname(struct thread
*thread
, int fd
, const char *pathname
)
1183 struct thread_trace
*ttrace
= thread
->priv
;
1185 if (fd
> ttrace
->paths
.max
) {
1186 char **npath
= realloc(ttrace
->paths
.table
, (fd
+ 1) * sizeof(char *));
1191 if (ttrace
->paths
.max
!= -1) {
1192 memset(npath
+ ttrace
->paths
.max
+ 1, 0,
1193 (fd
- ttrace
->paths
.max
) * sizeof(char *));
1195 memset(npath
, 0, (fd
+ 1) * sizeof(char *));
1198 ttrace
->paths
.table
= npath
;
1199 ttrace
->paths
.max
= fd
;
1202 ttrace
->paths
.table
[fd
] = strdup(pathname
);
1204 return ttrace
->paths
.table
[fd
] != NULL
? 0 : -1;
1207 static int thread__read_fd_path(struct thread
*thread
, int fd
)
1209 char linkname
[PATH_MAX
], pathname
[PATH_MAX
];
1213 if (thread
->pid_
== thread
->tid
) {
1214 scnprintf(linkname
, sizeof(linkname
),
1215 "/proc/%d/fd/%d", thread
->pid_
, fd
);
1217 scnprintf(linkname
, sizeof(linkname
),
1218 "/proc/%d/task/%d/fd/%d", thread
->pid_
, thread
->tid
, fd
);
1221 if (lstat(linkname
, &st
) < 0 || st
.st_size
+ 1 > (off_t
)sizeof(pathname
))
1224 ret
= readlink(linkname
, pathname
, sizeof(pathname
));
1226 if (ret
< 0 || ret
> st
.st_size
)
1229 pathname
[ret
] = '\0';
1230 return trace__set_fd_pathname(thread
, fd
, pathname
);
1233 static const char *thread__fd_path(struct thread
*thread
, int fd
,
1234 struct trace
*trace
)
1236 struct thread_trace
*ttrace
= thread
->priv
;
1244 if ((fd
> ttrace
->paths
.max
|| ttrace
->paths
.table
[fd
] == NULL
))
1247 ++trace
->stats
.proc_getname
;
1248 if (thread__read_fd_path(thread
, fd
)) {
1252 return ttrace
->paths
.table
[fd
];
1255 static size_t syscall_arg__scnprintf_fd(char *bf
, size_t size
,
1256 struct syscall_arg
*arg
)
1259 size_t printed
= scnprintf(bf
, size
, "%d", fd
);
1260 const char *path
= thread__fd_path(arg
->thread
, fd
, arg
->trace
);
1263 printed
+= scnprintf(bf
+ printed
, size
- printed
, "<%s>", path
);
1268 static size_t syscall_arg__scnprintf_close_fd(char *bf
, size_t size
,
1269 struct syscall_arg
*arg
)
1272 size_t printed
= syscall_arg__scnprintf_fd(bf
, size
, arg
);
1273 struct thread_trace
*ttrace
= arg
->thread
->priv
;
1275 if (ttrace
&& fd
>= 0 && fd
<= ttrace
->paths
.max
) {
1276 free(ttrace
->paths
.table
[fd
]);
1277 ttrace
->paths
.table
[fd
] = NULL
;
1283 static bool trace__filter_duration(struct trace
*trace
, double t
)
1285 return t
< (trace
->duration_filter
* NSEC_PER_MSEC
);
1288 static size_t trace__fprintf_tstamp(struct trace
*trace
, u64 tstamp
, FILE *fp
)
1290 double ts
= (double)(tstamp
- trace
->base_time
) / NSEC_PER_MSEC
;
1292 return fprintf(fp
, "%10.3f ", ts
);
1295 static bool done
= false;
1296 static bool interrupted
= false;
1298 static void sig_handler(int sig
)
1301 interrupted
= sig
== SIGINT
;
1304 static size_t trace__fprintf_entry_head(struct trace
*trace
, struct thread
*thread
,
1305 u64 duration
, u64 tstamp
, FILE *fp
)
1307 size_t printed
= trace__fprintf_tstamp(trace
, tstamp
, fp
);
1308 printed
+= fprintf_duration(duration
, fp
);
1310 if (trace
->multiple_threads
) {
1311 if (trace
->show_comm
)
1312 printed
+= fprintf(fp
, "%.14s/", thread__comm_str(thread
));
1313 printed
+= fprintf(fp
, "%d ", thread
->tid
);
1319 static int trace__process_event(struct trace
*trace
, struct machine
*machine
,
1320 union perf_event
*event
, struct perf_sample
*sample
)
1324 switch (event
->header
.type
) {
1325 case PERF_RECORD_LOST
:
1326 color_fprintf(trace
->output
, PERF_COLOR_RED
,
1327 "LOST %" PRIu64
" events!\n", event
->lost
.lost
);
1328 ret
= machine__process_lost_event(machine
, event
, sample
);
1330 ret
= machine__process_event(machine
, event
, sample
);
1337 static int trace__tool_process(struct perf_tool
*tool
,
1338 union perf_event
*event
,
1339 struct perf_sample
*sample
,
1340 struct machine
*machine
)
1342 struct trace
*trace
= container_of(tool
, struct trace
, tool
);
1343 return trace__process_event(trace
, machine
, event
, sample
);
1346 static int trace__symbols_init(struct trace
*trace
, struct perf_evlist
*evlist
)
1348 int err
= symbol__init();
1353 trace
->host
= machine__new_host();
1354 if (trace
->host
== NULL
)
1357 err
= __machine__synthesize_threads(trace
->host
, &trace
->tool
, &trace
->opts
.target
,
1358 evlist
->threads
, trace__tool_process
, false);
1365 static int syscall__set_arg_fmts(struct syscall
*sc
)
1367 struct format_field
*field
;
1370 sc
->arg_scnprintf
= calloc(sc
->tp_format
->format
.nr_fields
- 1, sizeof(void *));
1371 if (sc
->arg_scnprintf
== NULL
)
1375 sc
->arg_parm
= sc
->fmt
->arg_parm
;
1377 for (field
= sc
->tp_format
->format
.fields
->next
; field
; field
= field
->next
) {
1378 if (sc
->fmt
&& sc
->fmt
->arg_scnprintf
[idx
])
1379 sc
->arg_scnprintf
[idx
] = sc
->fmt
->arg_scnprintf
[idx
];
1380 else if (field
->flags
& FIELD_IS_POINTER
)
1381 sc
->arg_scnprintf
[idx
] = syscall_arg__scnprintf_hex
;
1388 static int trace__read_syscall_info(struct trace
*trace
, int id
)
1392 const char *name
= audit_syscall_to_name(id
, trace
->audit
.machine
);
1397 if (id
> trace
->syscalls
.max
) {
1398 struct syscall
*nsyscalls
= realloc(trace
->syscalls
.table
, (id
+ 1) * sizeof(*sc
));
1400 if (nsyscalls
== NULL
)
1403 if (trace
->syscalls
.max
!= -1) {
1404 memset(nsyscalls
+ trace
->syscalls
.max
+ 1, 0,
1405 (id
- trace
->syscalls
.max
) * sizeof(*sc
));
1407 memset(nsyscalls
, 0, (id
+ 1) * sizeof(*sc
));
1410 trace
->syscalls
.table
= nsyscalls
;
1411 trace
->syscalls
.max
= id
;
1414 sc
= trace
->syscalls
.table
+ id
;
1417 if (trace
->ev_qualifier
) {
1418 bool in
= strlist__find(trace
->ev_qualifier
, name
) != NULL
;
1420 if (!(in
^ trace
->not_ev_qualifier
)) {
1421 sc
->filtered
= true;
1423 * No need to do read tracepoint information since this will be
1430 sc
->fmt
= syscall_fmt__find(sc
->name
);
1432 snprintf(tp_name
, sizeof(tp_name
), "sys_enter_%s", sc
->name
);
1433 sc
->tp_format
= event_format__new("syscalls", tp_name
);
1435 if (sc
->tp_format
== NULL
&& sc
->fmt
&& sc
->fmt
->alias
) {
1436 snprintf(tp_name
, sizeof(tp_name
), "sys_enter_%s", sc
->fmt
->alias
);
1437 sc
->tp_format
= event_format__new("syscalls", tp_name
);
1440 if (sc
->tp_format
== NULL
)
1443 return syscall__set_arg_fmts(sc
);
1446 static size_t syscall__scnprintf_args(struct syscall
*sc
, char *bf
, size_t size
,
1447 unsigned long *args
, struct trace
*trace
,
1448 struct thread
*thread
)
1452 if (sc
->tp_format
!= NULL
) {
1453 struct format_field
*field
;
1455 struct syscall_arg arg
= {
1462 for (field
= sc
->tp_format
->format
.fields
->next
; field
;
1463 field
= field
->next
, ++arg
.idx
, bit
<<= 1) {
1467 * Suppress this argument if its value is zero and
1468 * and we don't have a string associated in an
1471 if (args
[arg
.idx
] == 0 &&
1472 !(sc
->arg_scnprintf
&&
1473 sc
->arg_scnprintf
[arg
.idx
] == SCA_STRARRAY
&&
1474 sc
->arg_parm
[arg
.idx
]))
1477 printed
+= scnprintf(bf
+ printed
, size
- printed
,
1478 "%s%s: ", printed
? ", " : "", field
->name
);
1479 if (sc
->arg_scnprintf
&& sc
->arg_scnprintf
[arg
.idx
]) {
1480 arg
.val
= args
[arg
.idx
];
1482 arg
.parm
= sc
->arg_parm
[arg
.idx
];
1483 printed
+= sc
->arg_scnprintf
[arg
.idx
](bf
+ printed
,
1484 size
- printed
, &arg
);
1486 printed
+= scnprintf(bf
+ printed
, size
- printed
,
1487 "%ld", args
[arg
.idx
]);
1494 printed
+= scnprintf(bf
+ printed
, size
- printed
,
1496 printed
? ", " : "", i
, args
[i
]);
1504 typedef int (*tracepoint_handler
)(struct trace
*trace
, struct perf_evsel
*evsel
,
1505 struct perf_sample
*sample
);
1507 static struct syscall
*trace__syscall_info(struct trace
*trace
,
1508 struct perf_evsel
*evsel
, int id
)
1514 * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried
1515 * before that, leaving at a higher verbosity level till that is
1516 * explained. Reproduced with plain ftrace with:
1518 * echo 1 > /t/events/raw_syscalls/sys_exit/enable
1519 * grep "NR -1 " /t/trace_pipe
1521 * After generating some load on the machine.
1525 fprintf(trace
->output
, "Invalid syscall %d id, skipping (%s, %" PRIu64
") ...\n",
1526 id
, perf_evsel__name(evsel
), ++n
);
1531 if ((id
> trace
->syscalls
.max
|| trace
->syscalls
.table
[id
].name
== NULL
) &&
1532 trace__read_syscall_info(trace
, id
))
1535 if ((id
> trace
->syscalls
.max
|| trace
->syscalls
.table
[id
].name
== NULL
))
1538 return &trace
->syscalls
.table
[id
];
1542 fprintf(trace
->output
, "Problems reading syscall %d", id
);
1543 if (id
<= trace
->syscalls
.max
&& trace
->syscalls
.table
[id
].name
!= NULL
)
1544 fprintf(trace
->output
, "(%s)", trace
->syscalls
.table
[id
].name
);
1545 fputs(" information\n", trace
->output
);
1550 static void thread__update_stats(struct thread_trace
*ttrace
,
1551 int id
, struct perf_sample
*sample
)
1553 struct int_node
*inode
;
1554 struct stats
*stats
;
1557 inode
= intlist__findnew(ttrace
->syscall_stats
, id
);
1561 stats
= inode
->priv
;
1562 if (stats
== NULL
) {
1563 stats
= malloc(sizeof(struct stats
));
1567 inode
->priv
= stats
;
1570 if (ttrace
->entry_time
&& sample
->time
> ttrace
->entry_time
)
1571 duration
= sample
->time
- ttrace
->entry_time
;
1573 update_stats(stats
, duration
);
1576 static int trace__sys_enter(struct trace
*trace
, struct perf_evsel
*evsel
,
1577 struct perf_sample
*sample
)
1582 struct thread
*thread
;
1583 int id
= perf_evsel__sc_tp_uint(evsel
, id
, sample
);
1584 struct syscall
*sc
= trace__syscall_info(trace
, evsel
, id
);
1585 struct thread_trace
*ttrace
;
1593 thread
= machine__findnew_thread(trace
->host
, sample
->pid
, sample
->tid
);
1594 ttrace
= thread__trace(thread
, trace
->output
);
1598 args
= perf_evsel__sc_tp_ptr(evsel
, args
, sample
);
1599 ttrace
= thread
->priv
;
1601 if (ttrace
->entry_str
== NULL
) {
1602 ttrace
->entry_str
= malloc(1024);
1603 if (!ttrace
->entry_str
)
1607 ttrace
->entry_time
= sample
->time
;
1608 msg
= ttrace
->entry_str
;
1609 printed
+= scnprintf(msg
+ printed
, 1024 - printed
, "%s(", sc
->name
);
1611 printed
+= syscall__scnprintf_args(sc
, msg
+ printed
, 1024 - printed
,
1612 args
, trace
, thread
);
1614 if (!strcmp(sc
->name
, "exit_group") || !strcmp(sc
->name
, "exit")) {
1615 if (!trace
->duration_filter
&& !trace
->summary_only
) {
1616 trace__fprintf_entry_head(trace
, thread
, 1, sample
->time
, trace
->output
);
1617 fprintf(trace
->output
, "%-70s\n", ttrace
->entry_str
);
1620 ttrace
->entry_pending
= true;
1625 static int trace__sys_exit(struct trace
*trace
, struct perf_evsel
*evsel
,
1626 struct perf_sample
*sample
)
1630 struct thread
*thread
;
1631 int id
= perf_evsel__sc_tp_uint(evsel
, id
, sample
);
1632 struct syscall
*sc
= trace__syscall_info(trace
, evsel
, id
);
1633 struct thread_trace
*ttrace
;
1641 thread
= machine__findnew_thread(trace
->host
, sample
->pid
, sample
->tid
);
1642 ttrace
= thread__trace(thread
, trace
->output
);
1647 thread__update_stats(ttrace
, id
, sample
);
1649 ret
= perf_evsel__sc_tp_uint(evsel
, ret
, sample
);
1651 if (id
== trace
->audit
.open_id
&& ret
>= 0 && trace
->last_vfs_getname
) {
1652 trace__set_fd_pathname(thread
, ret
, trace
->last_vfs_getname
);
1653 trace
->last_vfs_getname
= NULL
;
1654 ++trace
->stats
.vfs_getname
;
1657 ttrace
= thread
->priv
;
1659 ttrace
->exit_time
= sample
->time
;
1661 if (ttrace
->entry_time
) {
1662 duration
= sample
->time
- ttrace
->entry_time
;
1663 if (trace__filter_duration(trace
, duration
))
1665 } else if (trace
->duration_filter
)
1668 if (trace
->summary_only
)
1671 trace__fprintf_entry_head(trace
, thread
, duration
, sample
->time
, trace
->output
);
1673 if (ttrace
->entry_pending
) {
1674 fprintf(trace
->output
, "%-70s", ttrace
->entry_str
);
1676 fprintf(trace
->output
, " ... [");
1677 color_fprintf(trace
->output
, PERF_COLOR_YELLOW
, "continued");
1678 fprintf(trace
->output
, "]: %s()", sc
->name
);
1681 if (sc
->fmt
== NULL
) {
1683 fprintf(trace
->output
, ") = %d", ret
);
1684 } else if (ret
< 0 && sc
->fmt
->errmsg
) {
1686 const char *emsg
= strerror_r(-ret
, bf
, sizeof(bf
)),
1687 *e
= audit_errno_to_name(-ret
);
1689 fprintf(trace
->output
, ") = -1 %s %s", e
, emsg
);
1690 } else if (ret
== 0 && sc
->fmt
->timeout
)
1691 fprintf(trace
->output
, ") = 0 Timeout");
1692 else if (sc
->fmt
->hexret
)
1693 fprintf(trace
->output
, ") = %#x", ret
);
1697 fputc('\n', trace
->output
);
1699 ttrace
->entry_pending
= false;
1704 static int trace__vfs_getname(struct trace
*trace
, struct perf_evsel
*evsel
,
1705 struct perf_sample
*sample
)
1707 trace
->last_vfs_getname
= perf_evsel__rawptr(evsel
, sample
, "pathname");
1711 static int trace__sched_stat_runtime(struct trace
*trace
, struct perf_evsel
*evsel
,
1712 struct perf_sample
*sample
)
1714 u64 runtime
= perf_evsel__intval(evsel
, sample
, "runtime");
1715 double runtime_ms
= (double)runtime
/ NSEC_PER_MSEC
;
1716 struct thread
*thread
= machine__findnew_thread(trace
->host
,
1719 struct thread_trace
*ttrace
= thread__trace(thread
, trace
->output
);
1724 ttrace
->runtime_ms
+= runtime_ms
;
1725 trace
->runtime_ms
+= runtime_ms
;
1729 fprintf(trace
->output
, "%s: comm=%s,pid=%u,runtime=%" PRIu64
",vruntime=%" PRIu64
")\n",
1731 perf_evsel__strval(evsel
, sample
, "comm"),
1732 (pid_t
)perf_evsel__intval(evsel
, sample
, "pid"),
1734 perf_evsel__intval(evsel
, sample
, "vruntime"));
1738 static bool skip_sample(struct trace
*trace
, struct perf_sample
*sample
)
1740 if ((trace
->pid_list
&& intlist__find(trace
->pid_list
, sample
->pid
)) ||
1741 (trace
->tid_list
&& intlist__find(trace
->tid_list
, sample
->tid
)))
1744 if (trace
->pid_list
|| trace
->tid_list
)
1750 static int trace__process_sample(struct perf_tool
*tool
,
1751 union perf_event
*event __maybe_unused
,
1752 struct perf_sample
*sample
,
1753 struct perf_evsel
*evsel
,
1754 struct machine
*machine __maybe_unused
)
1756 struct trace
*trace
= container_of(tool
, struct trace
, tool
);
1759 tracepoint_handler handler
= evsel
->handler
;
1761 if (skip_sample(trace
, sample
))
1764 if (!trace
->full_time
&& trace
->base_time
== 0)
1765 trace
->base_time
= sample
->time
;
1768 handler(trace
, evsel
, sample
);
1773 static int parse_target_str(struct trace
*trace
)
1775 if (trace
->opts
.target
.pid
) {
1776 trace
->pid_list
= intlist__new(trace
->opts
.target
.pid
);
1777 if (trace
->pid_list
== NULL
) {
1778 pr_err("Error parsing process id string\n");
1783 if (trace
->opts
.target
.tid
) {
1784 trace
->tid_list
= intlist__new(trace
->opts
.target
.tid
);
1785 if (trace
->tid_list
== NULL
) {
1786 pr_err("Error parsing thread id string\n");
1794 static int trace__record(int argc
, const char **argv
)
1796 unsigned int rec_argc
, i
, j
;
1797 const char **rec_argv
;
1798 const char * const record_args
[] = {
1803 "-e", "raw_syscalls:sys_enter,raw_syscalls:sys_exit",
1806 rec_argc
= ARRAY_SIZE(record_args
) + argc
;
1807 rec_argv
= calloc(rec_argc
+ 1, sizeof(char *));
1809 if (rec_argv
== NULL
)
1812 for (i
= 0; i
< ARRAY_SIZE(record_args
); i
++)
1813 rec_argv
[i
] = record_args
[i
];
1815 for (j
= 0; j
< (unsigned int)argc
; j
++, i
++)
1816 rec_argv
[i
] = argv
[j
];
1818 return cmd_record(i
, rec_argv
, NULL
);
1821 static size_t trace__fprintf_thread_summary(struct trace
*trace
, FILE *fp
);
1823 static void perf_evlist__add_vfs_getname(struct perf_evlist
*evlist
)
1825 struct perf_evsel
*evsel
= perf_evsel__newtp("probe", "vfs_getname");
1829 if (perf_evsel__field(evsel
, "pathname") == NULL
) {
1830 perf_evsel__delete(evsel
);
1834 evsel
->handler
= trace__vfs_getname
;
1835 perf_evlist__add(evlist
, evsel
);
1838 static int trace__run(struct trace
*trace
, int argc
, const char **argv
)
1840 struct perf_evlist
*evlist
= perf_evlist__new();
1841 struct perf_evsel
*evsel
;
1843 unsigned long before
;
1844 const bool forks
= argc
> 0;
1848 if (evlist
== NULL
) {
1849 fprintf(trace
->output
, "Not enough memory to run!\n");
1853 if (perf_evlist__add_syscall_newtp(evlist
, trace__sys_enter
, trace__sys_exit
))
1856 perf_evlist__add_vfs_getname(evlist
);
1859 perf_evlist__add_newtp(evlist
, "sched", "sched_stat_runtime",
1860 trace__sched_stat_runtime
))
1863 err
= perf_evlist__create_maps(evlist
, &trace
->opts
.target
);
1865 fprintf(trace
->output
, "Problems parsing the target to trace, check your options!\n");
1866 goto out_delete_evlist
;
1869 err
= trace__symbols_init(trace
, evlist
);
1871 fprintf(trace
->output
, "Problems initializing symbol libraries!\n");
1872 goto out_delete_maps
;
1875 perf_evlist__config(evlist
, &trace
->opts
);
1877 signal(SIGCHLD
, sig_handler
);
1878 signal(SIGINT
, sig_handler
);
1881 err
= perf_evlist__prepare_workload(evlist
, &trace
->opts
.target
,
1882 argv
, false, false);
1884 fprintf(trace
->output
, "Couldn't run the workload!\n");
1885 goto out_delete_maps
;
1889 err
= perf_evlist__open(evlist
);
1891 goto out_error_open
;
1893 err
= perf_evlist__mmap(evlist
, UINT_MAX
, false);
1895 fprintf(trace
->output
, "Couldn't mmap the events: %s\n", strerror(errno
));
1896 goto out_close_evlist
;
1899 perf_evlist__enable(evlist
);
1902 perf_evlist__start_workload(evlist
);
1904 trace
->multiple_threads
= evlist
->threads
->map
[0] == -1 || evlist
->threads
->nr
> 1;
1906 before
= trace
->nr_events
;
1908 for (i
= 0; i
< evlist
->nr_mmaps
; i
++) {
1909 union perf_event
*event
;
1911 while ((event
= perf_evlist__mmap_read(evlist
, i
)) != NULL
) {
1912 const u32 type
= event
->header
.type
;
1913 tracepoint_handler handler
;
1914 struct perf_sample sample
;
1918 err
= perf_evlist__parse_sample(evlist
, event
, &sample
);
1920 fprintf(trace
->output
, "Can't parse sample, err = %d, skipping...\n", err
);
1924 if (!trace
->full_time
&& trace
->base_time
== 0)
1925 trace
->base_time
= sample
.time
;
1927 if (type
!= PERF_RECORD_SAMPLE
) {
1928 trace__process_event(trace
, trace
->host
, event
, &sample
);
1932 evsel
= perf_evlist__id2evsel(evlist
, sample
.id
);
1933 if (evsel
== NULL
) {
1934 fprintf(trace
->output
, "Unknown tp ID %" PRIu64
", skipping...\n", sample
.id
);
1938 if (sample
.raw_data
== NULL
) {
1939 fprintf(trace
->output
, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n",
1940 perf_evsel__name(evsel
), sample
.tid
,
1941 sample
.cpu
, sample
.raw_size
);
1945 handler
= evsel
->handler
;
1946 handler(trace
, evsel
, &sample
);
1948 perf_evlist__mmap_consume(evlist
, i
);
1955 if (trace
->nr_events
== before
) {
1956 int timeout
= done
? 100 : -1;
1958 if (poll(evlist
->pollfd
, evlist
->nr_fds
, timeout
) > 0)
1965 perf_evlist__disable(evlist
);
1969 trace__fprintf_thread_summary(trace
, trace
->output
);
1971 if (trace
->show_tool_stats
) {
1972 fprintf(trace
->output
, "Stats:\n "
1973 " vfs_getname : %" PRIu64
"\n"
1974 " proc_getname: %" PRIu64
"\n",
1975 trace
->stats
.vfs_getname
,
1976 trace
->stats
.proc_getname
);
1980 perf_evlist__munmap(evlist
);
1982 perf_evlist__close(evlist
);
1984 perf_evlist__delete_maps(evlist
);
1986 perf_evlist__delete(evlist
);
1988 trace
->live
= false;
1991 char errbuf
[BUFSIZ
];
1994 perf_evlist__strerror_tp(evlist
, errno
, errbuf
, sizeof(errbuf
));
1998 perf_evlist__strerror_open(evlist
, errno
, errbuf
, sizeof(errbuf
));
2001 fprintf(trace
->output
, "%s\n", errbuf
);
2002 goto out_delete_evlist
;
2006 static int trace__replay(struct trace
*trace
)
2008 const struct perf_evsel_str_handler handlers
[] = {
2009 { "probe:vfs_getname", trace__vfs_getname
, },
2011 struct perf_data_file file
= {
2013 .mode
= PERF_DATA_MODE_READ
,
2015 struct perf_session
*session
;
2016 struct perf_evsel
*evsel
;
2019 trace
->tool
.sample
= trace__process_sample
;
2020 trace
->tool
.mmap
= perf_event__process_mmap
;
2021 trace
->tool
.mmap2
= perf_event__process_mmap2
;
2022 trace
->tool
.comm
= perf_event__process_comm
;
2023 trace
->tool
.exit
= perf_event__process_exit
;
2024 trace
->tool
.fork
= perf_event__process_fork
;
2025 trace
->tool
.attr
= perf_event__process_attr
;
2026 trace
->tool
.tracing_data
= perf_event__process_tracing_data
;
2027 trace
->tool
.build_id
= perf_event__process_build_id
;
2029 trace
->tool
.ordered_samples
= true;
2030 trace
->tool
.ordering_requires_timestamps
= true;
2032 /* add tid to output */
2033 trace
->multiple_threads
= true;
2035 if (symbol__init() < 0)
2038 session
= perf_session__new(&file
, false, &trace
->tool
);
2039 if (session
== NULL
)
2042 trace
->host
= &session
->machines
.host
;
2044 err
= perf_session__set_tracepoints_handlers(session
, handlers
);
2048 evsel
= perf_evlist__find_tracepoint_by_name(session
->evlist
,
2049 "raw_syscalls:sys_enter");
2050 if (evsel
== NULL
) {
2051 pr_err("Data file does not have raw_syscalls:sys_enter event\n");
2055 if (perf_evsel__init_syscall_tp(evsel
, trace__sys_enter
) < 0 ||
2056 perf_evsel__init_sc_tp_ptr_field(evsel
, args
)) {
2057 pr_err("Error during initialize raw_syscalls:sys_enter event\n");
2061 evsel
= perf_evlist__find_tracepoint_by_name(session
->evlist
,
2062 "raw_syscalls:sys_exit");
2063 if (evsel
== NULL
) {
2064 pr_err("Data file does not have raw_syscalls:sys_exit event\n");
2068 if (perf_evsel__init_syscall_tp(evsel
, trace__sys_exit
) < 0 ||
2069 perf_evsel__init_sc_tp_uint_field(evsel
, ret
)) {
2070 pr_err("Error during initialize raw_syscalls:sys_exit event\n");
2074 err
= parse_target_str(trace
);
2080 err
= perf_session__process_events(session
, &trace
->tool
);
2082 pr_err("Failed to process events, error %d", err
);
2084 else if (trace
->summary
)
2085 trace__fprintf_thread_summary(trace
, trace
->output
);
2088 perf_session__delete(session
);
2093 static size_t trace__fprintf_threads_header(FILE *fp
)
2097 printed
= fprintf(fp
, "\n Summary of events:\n\n");
2102 static size_t thread__dump_stats(struct thread_trace
*ttrace
,
2103 struct trace
*trace
, FILE *fp
)
2105 struct stats
*stats
;
2108 struct int_node
*inode
= intlist__first(ttrace
->syscall_stats
);
2113 printed
+= fprintf(fp
, "\n");
2115 printed
+= fprintf(fp
, " syscall calls min avg max stddev\n");
2116 printed
+= fprintf(fp
, " (msec) (msec) (msec) (%%)\n");
2117 printed
+= fprintf(fp
, " --------------- -------- --------- --------- --------- ------\n");
2119 /* each int_node is a syscall */
2121 stats
= inode
->priv
;
2123 double min
= (double)(stats
->min
) / NSEC_PER_MSEC
;
2124 double max
= (double)(stats
->max
) / NSEC_PER_MSEC
;
2125 double avg
= avg_stats(stats
);
2127 u64 n
= (u64
) stats
->n
;
2129 pct
= avg
? 100.0 * stddev_stats(stats
)/avg
: 0.0;
2130 avg
/= NSEC_PER_MSEC
;
2132 sc
= &trace
->syscalls
.table
[inode
->i
];
2133 printed
+= fprintf(fp
, " %-15s", sc
->name
);
2134 printed
+= fprintf(fp
, " %8" PRIu64
" %9.3f %9.3f",
2136 printed
+= fprintf(fp
, " %9.3f %9.2f%%\n", max
, pct
);
2139 inode
= intlist__next(inode
);
2142 printed
+= fprintf(fp
, "\n\n");
2147 /* struct used to pass data to per-thread function */
2148 struct summary_data
{
2150 struct trace
*trace
;
2154 static int trace__fprintf_one_thread(struct thread
*thread
, void *priv
)
2156 struct summary_data
*data
= priv
;
2157 FILE *fp
= data
->fp
;
2158 size_t printed
= data
->printed
;
2159 struct trace
*trace
= data
->trace
;
2160 struct thread_trace
*ttrace
= thread
->priv
;
2167 ratio
= (double)ttrace
->nr_events
/ trace
->nr_events
* 100.0;
2169 color
= PERF_COLOR_NORMAL
;
2171 color
= PERF_COLOR_RED
;
2172 else if (ratio
> 25.0)
2173 color
= PERF_COLOR_GREEN
;
2174 else if (ratio
> 5.0)
2175 color
= PERF_COLOR_YELLOW
;
2177 printed
+= color_fprintf(fp
, color
, " %s (%d), ", thread__comm_str(thread
), thread
->tid
);
2178 printed
+= fprintf(fp
, "%lu events, ", ttrace
->nr_events
);
2179 printed
+= color_fprintf(fp
, color
, "%.1f%%", ratio
);
2180 printed
+= fprintf(fp
, ", %.3f msec\n", ttrace
->runtime_ms
);
2181 printed
+= thread__dump_stats(ttrace
, trace
, fp
);
2183 data
->printed
+= printed
;
2188 static size_t trace__fprintf_thread_summary(struct trace
*trace
, FILE *fp
)
2190 struct summary_data data
= {
2194 data
.printed
= trace__fprintf_threads_header(fp
);
2196 machine__for_each_thread(trace
->host
, trace__fprintf_one_thread
, &data
);
2198 return data
.printed
;
2201 static int trace__set_duration(const struct option
*opt
, const char *str
,
2202 int unset __maybe_unused
)
2204 struct trace
*trace
= opt
->value
;
2206 trace
->duration_filter
= atof(str
);
2210 static int trace__open_output(struct trace
*trace
, const char *filename
)
2214 if (!stat(filename
, &st
) && st
.st_size
) {
2215 char oldname
[PATH_MAX
];
2217 scnprintf(oldname
, sizeof(oldname
), "%s.old", filename
);
2219 rename(filename
, oldname
);
2222 trace
->output
= fopen(filename
, "w");
2224 return trace
->output
== NULL
? -errno
: 0;
2227 int cmd_trace(int argc
, const char **argv
, const char *prefix __maybe_unused
)
2229 const char * const trace_usage
[] = {
2230 "perf trace [<options>] [<command>]",
2231 "perf trace [<options>] -- <command> [<options>]",
2232 "perf trace record [<options>] [<command>]",
2233 "perf trace record [<options>] -- <command> [<options>]",
2236 struct trace trace
= {
2238 .machine
= audit_detect_machine(),
2239 .open_id
= audit_name_to_syscall("open", trace
.audit
.machine
),
2249 .user_freq
= UINT_MAX
,
2250 .user_interval
= ULLONG_MAX
,
2257 const char *output_name
= NULL
;
2258 const char *ev_qualifier_str
= NULL
;
2259 const struct option trace_options
[] = {
2260 OPT_BOOLEAN(0, "comm", &trace
.show_comm
,
2261 "show the thread COMM next to its id"),
2262 OPT_BOOLEAN(0, "tool_stats", &trace
.show_tool_stats
, "show tool stats"),
2263 OPT_STRING('e', "expr", &ev_qualifier_str
, "expr",
2264 "list of events to trace"),
2265 OPT_STRING('o', "output", &output_name
, "file", "output file name"),
2266 OPT_STRING('i', "input", &input_name
, "file", "Analyze events in file"),
2267 OPT_STRING('p', "pid", &trace
.opts
.target
.pid
, "pid",
2268 "trace events on existing process id"),
2269 OPT_STRING('t', "tid", &trace
.opts
.target
.tid
, "tid",
2270 "trace events on existing thread id"),
2271 OPT_BOOLEAN('a', "all-cpus", &trace
.opts
.target
.system_wide
,
2272 "system-wide collection from all CPUs"),
2273 OPT_STRING('C', "cpu", &trace
.opts
.target
.cpu_list
, "cpu",
2274 "list of cpus to monitor"),
2275 OPT_BOOLEAN(0, "no-inherit", &trace
.opts
.no_inherit
,
2276 "child tasks do not inherit counters"),
2277 OPT_CALLBACK('m', "mmap-pages", &trace
.opts
.mmap_pages
, "pages",
2278 "number of mmap data pages",
2279 perf_evlist__parse_mmap_pages
),
2280 OPT_STRING('u', "uid", &trace
.opts
.target
.uid_str
, "user",
2282 OPT_CALLBACK(0, "duration", &trace
, "float",
2283 "show only events with duration > N.M ms",
2284 trace__set_duration
),
2285 OPT_BOOLEAN(0, "sched", &trace
.sched
, "show blocking scheduler events"),
2286 OPT_INCR('v', "verbose", &verbose
, "be more verbose"),
2287 OPT_BOOLEAN('T', "time", &trace
.full_time
,
2288 "Show full timestamp, not time relative to first start"),
2289 OPT_BOOLEAN('s', "summary", &trace
.summary_only
,
2290 "Show only syscall summary with statistics"),
2291 OPT_BOOLEAN('S', "with-summary", &trace
.summary
,
2292 "Show all syscalls and summary with statistics"),
2298 if ((argc
> 1) && (strcmp(argv
[1], "record") == 0))
2299 return trace__record(argc
-2, &argv
[2]);
2301 argc
= parse_options(argc
, argv
, trace_options
, trace_usage
, 0);
2303 /* summary_only implies summary option, but don't overwrite summary if set */
2304 if (trace
.summary_only
)
2305 trace
.summary
= trace
.summary_only
;
2307 if (output_name
!= NULL
) {
2308 err
= trace__open_output(&trace
, output_name
);
2310 perror("failed to create output file");
2315 if (ev_qualifier_str
!= NULL
) {
2316 const char *s
= ev_qualifier_str
;
2318 trace
.not_ev_qualifier
= *s
== '!';
2319 if (trace
.not_ev_qualifier
)
2321 trace
.ev_qualifier
= strlist__new(true, s
);
2322 if (trace
.ev_qualifier
== NULL
) {
2323 fputs("Not enough memory to parse event qualifier",
2330 err
= target__validate(&trace
.opts
.target
);
2332 target__strerror(&trace
.opts
.target
, err
, bf
, sizeof(bf
));
2333 fprintf(trace
.output
, "%s", bf
);
2337 err
= target__parse_uid(&trace
.opts
.target
);
2339 target__strerror(&trace
.opts
.target
, err
, bf
, sizeof(bf
));
2340 fprintf(trace
.output
, "%s", bf
);
2344 if (!argc
&& target__none(&trace
.opts
.target
))
2345 trace
.opts
.target
.system_wide
= true;
2348 err
= trace__replay(&trace
);
2350 err
= trace__run(&trace
, argc
, argv
);
2353 if (output_name
!= NULL
)
2354 fclose(trace
.output
);