1 /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) */
3 #ifndef CREATE_SYSCALL_TABLE
5 #define OVERRIDE_32_execve
6 #define OVERRIDE_64_execve
7 SC_LTTNG_TRACEPOINT_EVENT(execve
,
8 TP_PROTO(sc_exit(long ret
,) const char *filename
, char *const *argv
, char *const *envp
),
9 TP_ARGS(sc_exit(ret
,) filename
, argv
, envp
),
10 TP_FIELDS(sc_exit(ctf_integer(long, ret
, ret
))
11 sc_in(ctf_user_string(filename
, filename
))
12 sc_in(ctf_integer_hex(char *const *, argv
, argv
))
13 sc_in(ctf_integer_hex(char *const *, envp
, envp
))
17 #ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM
20 * Clone()'s `flags` field has two parts:
21 * 1. exit signal: the least significant byte of the `unsigned long` is
22 * the signal the kernel must send to the parent process on child
24 * 2. clone options: the remaining bytes of the `unsigned long` is used a
25 * bitwise flag for the clone options.
27 #define CLONE_EXIT_SIGNAL_FLAG_RESERVED_BITS 8
28 #define LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(x) ((x) >> CLONE_EXIT_SIGNAL_FLAG_RESERVED_BITS)
30 SC_LTTNG_TRACEPOINT_ENUM(lttng_clone_exit_signal_flags
,
32 ctf_enum_value("SIGHUP", SIGHUP
)
33 ctf_enum_value("SIGINT", SIGINT
)
34 ctf_enum_value("SIGQUIT", SIGQUIT
)
35 ctf_enum_value("SIGILL", SIGILL
)
36 ctf_enum_value("SIGTRAP", SIGTRAP
)
37 ctf_enum_value("SIGABRT", SIGABRT
)
38 ctf_enum_value("SIGIOT", SIGIOT
)
39 ctf_enum_value("SIGBUS", SIGBUS
)
41 ctf_enum_value("SIGEMT", SIGEMT
)
42 #endif /* #ifdef SIGEMT */
43 ctf_enum_value("SIGFPE", SIGFPE
)
44 ctf_enum_value("SIGKILL", SIGKILL
)
45 ctf_enum_value("SIGUSR1", SIGUSR1
)
46 ctf_enum_value("SIGSEGV", SIGSEGV
)
47 ctf_enum_value("SIGUSR2", SIGUSR2
)
48 ctf_enum_value("SIGPIPE", SIGPIPE
)
49 ctf_enum_value("SIGALRM", SIGALRM
)
50 ctf_enum_value("SIGTERM", SIGTERM
)
52 ctf_enum_value("SIGSTKFLT", SIGSTKFLT
)
53 #endif /* #ifdef SIGSTKFLT */
54 ctf_enum_value("SIGCHLD", SIGCHLD
)
56 ctf_enum_value("SIGCLD", SIGCLD
)
57 #endif /* #ifdef SIGCLD */
58 ctf_enum_value("SIGCONT", SIGCONT
)
59 ctf_enum_value("SIGSTOP", SIGSTOP
)
60 ctf_enum_value("SIGTSTP", SIGTSTP
)
61 ctf_enum_value("SIGTTIN", SIGTTIN
)
62 ctf_enum_value("SIGTTOU", SIGTTOU
)
63 ctf_enum_value("SIGURG", SIGURG
)
64 ctf_enum_value("SIGXCPU", SIGXCPU
)
65 ctf_enum_value("SIGXFSZ", SIGXFSZ
)
66 ctf_enum_value("SIGVTALR", SIGVTALRM
)
67 ctf_enum_value("SIGPROF", SIGPROF
)
68 ctf_enum_value("SIGWINCH", SIGWINCH
)
69 ctf_enum_value("SIGIO", SIGIO
)
70 ctf_enum_value("SIGPOLL", SIGPOLL
)
71 ctf_enum_value("SIGPWR", SIGPWR
)
73 ctf_enum_value("SIGINFO", SIGINFO
)
74 #endif /* #ifdef SIGINFO */
76 ctf_enum_value("SIGLOST", SIGLOST
)
77 #endif /* #ifdef SIGLOST */
78 ctf_enum_value("SIGSYS", SIGSYS
)
80 ctf_enum_value("SIGUNUSED", SIGUNUSED
)
81 #endif /* #ifdef SIGUNUSED */
85 SC_LTTNG_TRACEPOINT_ENUM(lttng_clone_option_flags
,
87 ctf_enum_value("CLONE_CHILD_CLEARTID", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_CHILD_CLEARTID
))
88 ctf_enum_value("CLONE_CHILD_SETTID", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_CHILD_SETTID
))
89 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,5,0))
90 ctf_enum_value("CLONE_CLEAR_SIGHAND", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_CLEAR_SIGHAND
))
91 #endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,5,0)) */
92 ctf_enum_value("CLONE_DETACHED", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_DETACHED
))
93 ctf_enum_value("CLONE_FILES", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_FILES
))
94 ctf_enum_value("CLONE_FS", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_FS
))
95 ctf_enum_value("CLONE_IO", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_IO
))
96 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,6,0))
97 ctf_enum_value("CLONE_NEWCGROUP", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_NEWCGROUP
))
98 #endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,6,0)) */
99 ctf_enum_value("CLONE_NEWIPC", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_NEWIPC
))
100 ctf_enum_value("CLONE_NEWNET", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_NEWNET
))
101 ctf_enum_value("CLONE_NEWNS", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_NEWNS
))
102 ctf_enum_value("CLONE_NEWPID", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_NEWPID
))
103 ctf_enum_value("CLONE_NEWUSER", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_NEWUSER
))
104 ctf_enum_value("CLONE_NEWUTS", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_NEWUTS
))
105 ctf_enum_value("CLONE_PARENT", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_PARENT
))
106 ctf_enum_value("CLONE_PARENT_SETTID", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_PARENT_SETTID
))
107 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,2,0))
108 ctf_enum_value("CLONE_PIDFD", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_PIDFD
))
109 #endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,2,0)) */
110 ctf_enum_value("CLONE_PTRACE", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_PTRACE
))
111 ctf_enum_value("CLONE_SETTLS", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_SETTLS
))
112 ctf_enum_value("CLONE_SIGHAND", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_SIGHAND
))
113 ctf_enum_value("CLONE_SYSVSEM", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_SYSVSEM
))
114 ctf_enum_value("CLONE_THREAD", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_THREAD
))
115 ctf_enum_value("CLONE_UNTRACED", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_UNTRACED
))
116 ctf_enum_value("CLONE_VFORK", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_VFORK
))
117 ctf_enum_value("CLONE_VM", LTTNG_CLONE_OPTIONS_FLAGS_TO_CTF(CLONE_VM
))
121 #define LTTNG_CLONE_FLAGS_EXIT_SIGNAL \
122 lttng_kernel_static_event_field("exit_signal", \
123 lttng_kernel_static_type_enum(&__enum_lttng_clone_exit_signal_flags, \
124 lttng_kernel_static_type_integer(CLONE_EXIT_SIGNAL_FLAG_RESERVED_BITS, \
125 1, 0, __BYTE_ORDER, 16)), \
128 #define LTTNG_CLONE_FLAGS_OPTIONS \
129 lttng_kernel_static_event_field("options", \
130 lttng_kernel_static_type_enum(&__enum_lttng_clone_option_flags, \
131 lttng_kernel_static_type_integer( \
132 sizeof(unsigned long) * CHAR_BIT - CLONE_EXIT_SIGNAL_FLAG_RESERVED_BITS, \
133 1, 0, __BYTE_ORDER, 16)), \
136 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
137 #define LTTNG_CLONE_FLAGS \
138 lttng_kernel_static_event_field_array( \
139 [0] = LTTNG_CLONE_FLAGS_EXIT_SIGNAL, \
140 [1] = LTTNG_CLONE_FLAGS_OPTIONS, \
143 #define LTTNG_CLONE_FLAGS \
144 lttng_kernel_static_event_field_array( \
145 [0] = LTTNG_CLONE_FLAGS_OPTIONS, \
146 [1] = LTTNG_CLONE_FLAGS_EXIT_SIGNAL, \
150 #endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */
152 #define OVERRIDE_32_clone
153 #define OVERRIDE_64_clone
154 SC_LTTNG_TRACEPOINT_EVENT(clone
,
155 TP_PROTO(sc_exit(long ret
,) unsigned long clone_flags
, unsigned long newsp
,
156 void __user
*parent_tid
,
157 void __user
*child_tid
),
158 TP_ARGS(sc_exit(ret
,) clone_flags
, newsp
, parent_tid
, child_tid
),
160 sc_exit(ctf_integer(long, ret
, ret
))
162 #ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM
165 lttng_kernel_static_type_struct(2, LTTNG_CLONE_FLAGS
, lttng_alignof(unsigned long) * CHAR_BIT
)
169 ctf_integer_type(unsigned long, clone_flags
)
173 ctf_integer_hex(unsigned long, flags
, clone_flags
)
176 sc_in(ctf_integer_hex(unsigned long, newsp
, newsp
))
177 sc_in(ctf_integer_hex(void *, parent_tid
, parent_tid
))
178 sc_in(ctf_integer_hex(void *, child_tid
, child_tid
))
182 /* present in 32, missing in 64 due to old kernel headers */
183 #define OVERRIDE_32_getcpu
184 #define OVERRIDE_64_getcpu
185 SC_LTTNG_TRACEPOINT_EVENT(getcpu
,
186 TP_PROTO(sc_exit(long ret
,) unsigned __user
*cpup
, unsigned __user
*nodep
, void *tcache
),
187 TP_ARGS(sc_exit(ret
,) cpup
, nodep
, tcache
),
189 sc_exit(ctf_integer(long, ret
, ret
))
190 sc_out(ctf_integer_hex(unsigned *, cpup
, cpup
))
191 sc_out(ctf_integer_hex(unsigned *, nodep
, nodep
))
192 sc_inout(ctf_integer_hex(void *, tcache
, tcache
))
196 #define OVERRIDE_32_pipe2
197 #define OVERRIDE_64_pipe2
198 SC_LTTNG_TRACEPOINT_EVENT(pipe2
,
199 TP_PROTO(sc_exit(long ret
,) int * fildes
, int flags
),
200 TP_ARGS(sc_exit(ret
,) fildes
, flags
),
201 TP_FIELDS(sc_exit(ctf_integer(long, ret
, ret
))
202 sc_out(ctf_user_array(int, fildes
, fildes
, 2))
203 sc_in(ctf_integer(int, flags
, flags
))
207 #define LTTNG_SYSCALL_SELECT_locvar \
208 unsigned long *fds_in, *fds_out, *fds_ex; \
209 unsigned long nr_bytes, nr_ulong; \
212 #define LTTNG_SYSCALL_SELECT_code_pre \
216 unsigned int n_in_bytes; \
218 tp_locvar->fds_in = NULL; \
219 tp_locvar->fds_out = NULL; \
220 tp_locvar->fds_ex = NULL; \
221 tp_locvar->overflow = 0; \
231 /* On error or bogus input, don't copy anything. */ \
232 if (n >__FD_SETSIZE) \
235 n_in_bytes = DIV_ROUND_UP((unsigned int) n, BITS_PER_BYTE); \
238 * Limit atomic memory allocation to one page, since n \
239 * is limited to 1024 and the smallest page size on Linux \
240 * is 4k, this should not happen, don't try to make it work. \
242 if (n_in_bytes > PAGE_SIZE) { \
244 /* Inform the user that we did not output everything. */ \
245 tp_locvar->overflow = 1; \
248 tp_locvar->nr_bytes = n_in_bytes; \
249 tp_locvar->nr_ulong = DIV_ROUND_UP(n_in_bytes, \
250 sizeof(unsigned long)); \
254 tp_locvar->fds_in = lttng_tp_mempool_alloc( \
255 tp_locvar->nr_ulong * sizeof(unsigned long)); \
256 if (!tp_locvar->fds_in) \
259 err = lib_ring_buffer_copy_from_user_check_nofault( \
260 tp_locvar->fds_in, inp, \
261 tp_locvar->nr_ulong * sizeof(unsigned long)); \
266 tp_locvar->fds_out = lttng_tp_mempool_alloc( \
267 tp_locvar->nr_ulong * sizeof(unsigned long)); \
268 if (!tp_locvar->fds_out) \
271 err = lib_ring_buffer_copy_from_user_check_nofault( \
272 tp_locvar->fds_out, outp, \
273 tp_locvar->nr_ulong * sizeof(unsigned long)); \
278 tp_locvar->fds_ex = lttng_tp_mempool_alloc( \
279 tp_locvar->nr_ulong * sizeof(unsigned long)); \
280 if (!tp_locvar->fds_ex) \
283 err = lib_ring_buffer_copy_from_user_check_nofault( \
284 tp_locvar->fds_ex, exp, \
285 tp_locvar->nr_ulong * sizeof(unsigned long)); \
292 tp_locvar->nr_bytes = 0; \
293 tp_locvar->nr_ulong = 0; \
294 end: ; /* Label at end of compound statement. */ \
298 #define LTTNG_SYSCALL_SELECT_fds_field_LE(name, input) \
301 lttng_kernel_static_type_integer_from_type(uint8_t, __BYTE_ORDER, 10) \
303 _ ## name ## _length, \
306 ctf_integer_type(uint8_t, tp_locvar->nr_bytes) \
309 ctf_integer_type(uint8_t, 0) \
316 lttng_kernel_static_type_sequence(NULL, \
317 lttng_kernel_static_type_integer_from_type(uint8_t, __BYTE_ORDER, 16), \
324 unsigned int nr_bytes_out = 0; \
329 for (src = 0; src < tp_locvar->nr_ulong; src++) { \
331 for (dst = 0; dst < sizeof(long); dst++) { \
332 if (nr_bytes_out++ >= tp_locvar->nr_bytes) { \
335 ctf_user_integer_type(uint8_t, \
336 ((uint8_t __user *) (input->fds_bits + src))[dst]); \
343 #define LTTNG_SYSCALL_SELECT_fds_field_BE(name, input) \
346 lttng_kernel_static_type_integer_from_type(uint8_t, __BYTE_ORDER, 10) \
348 _ ## name ## _length, \
351 ctf_integer_type(uint8_t, tp_locvar->nr_bytes) \
354 ctf_integer_type(uint8_t, 0) \
361 lttng_kernel_static_type_sequence(NULL, \
362 lttng_kernel_static_type_integer_from_type(uint8_t, __BYTE_ORDER, 16), \
368 unsigned int src, nr_bytes_out = 0; \
373 for (src = 0; src < tp_locvar->nr_ulong; src++) { \
375 for (dst = sizeof(long); dst >= 0; dst--) { \
376 if (nr_bytes_out++ >= tp_locvar->nr_bytes) { \
379 ctf_user_integer_type(uint8_t, \
380 ((uint8_t __user *) (input->fds_bits + src))[dst]); \
387 #define LTTNG_SYSCALL_SELECT_code_post \
388 lttng_tp_mempool_free(tp_locvar->fds_in); \
389 lttng_tp_mempool_free(tp_locvar->fds_out); \
390 lttng_tp_mempool_free(tp_locvar->fds_ex);
392 #if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM)
394 * Instead of extracting the user-space pointers of the 3 fd_set,
395 * extract the bitmask of the FDs in the sets (in, out, ex) in the form
396 * of an array of uint8_t (1024 FDs is the limit in the kernel).
398 #define OVERRIDE_32_select
399 #define OVERRIDE_64_select
400 SC_LTTNG_TRACEPOINT_EVENT_CODE(select
,
401 TP_PROTO(sc_exit(long ret
,) int n
, fd_set __user
*inp
, fd_set __user
*outp
,
402 fd_set __user
*exp
, struct timeval
*tvp
),
403 TP_ARGS(sc_exit(ret
,) n
, inp
, outp
, exp
, tvp
),
405 LTTNG_SYSCALL_SELECT_locvar
408 LTTNG_SYSCALL_SELECT_code_pre
411 sc_exit(ctf_integer(long, ret
, ret
))
412 sc_in(ctf_integer(int, n
, n
))
413 sc_inout(ctf_integer(uint8_t, overflow
, tp_locvar
->overflow
))
414 sc_inout(ctf_integer(struct timeval
*, tvp
, tvp
))
417 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
418 LTTNG_SYSCALL_SELECT_fds_field_LE(readfds
, inp
)
419 LTTNG_SYSCALL_SELECT_fds_field_LE(writefds
, outp
)
420 LTTNG_SYSCALL_SELECT_fds_field_LE(exceptfds
, exp
)
422 LTTNG_SYSCALL_SELECT_fds_field_BE(readfds
, inp
)
423 LTTNG_SYSCALL_SELECT_fds_field_BE(writefds
, outp
)
424 LTTNG_SYSCALL_SELECT_fds_field_BE(exceptfds
, exp
)
429 LTTNG_SYSCALL_SELECT_code_post
432 #endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM) */
434 #if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM)
436 * Instead of extracting the user-space pointers of the 3 fd_set,
437 * extract the bitmask of the FDs in the sets (in, out, ex) in the form
438 * of an array of uint8_t (1024 FDs is the limit in the kernel).
440 #define OVERRIDE_32_pselect6
441 #define OVERRIDE_64_pselect6
442 SC_LTTNG_TRACEPOINT_EVENT_CODE(pselect6
,
443 TP_PROTO(sc_exit(long ret
,) int n
, fd_set __user
* inp
, fd_set __user
* outp
,
444 fd_set __user
* exp
, struct timeval __user
* tvp
, void __user
* sig
),
445 TP_ARGS(sc_exit(ret
,) n
, inp
, outp
, exp
, tvp
, sig
),
447 LTTNG_SYSCALL_SELECT_locvar
450 LTTNG_SYSCALL_SELECT_code_pre
453 sc_exit(ctf_integer(long, ret
, ret
))
454 sc_in(ctf_integer(int, n
, n
))
455 sc_inout(ctf_integer(uint8_t, overflow
, tp_locvar
->overflow
))
456 sc_inout(ctf_integer(struct timeval
*, tvp
, tvp
))
457 sc_in(ctf_integer_hex(void *, sig
, sig
))
460 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
461 LTTNG_SYSCALL_SELECT_fds_field_LE(readfds
, inp
)
462 LTTNG_SYSCALL_SELECT_fds_field_LE(writefds
, outp
)
463 LTTNG_SYSCALL_SELECT_fds_field_LE(exceptfds
, exp
)
465 LTTNG_SYSCALL_SELECT_fds_field_BE(readfds
, inp
)
466 LTTNG_SYSCALL_SELECT_fds_field_BE(writefds
, outp
)
467 LTTNG_SYSCALL_SELECT_fds_field_BE(exceptfds
, exp
)
472 LTTNG_SYSCALL_SELECT_code_post
475 #endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM) */
477 #if defined(CONFIG_X86_32) || defined(CONFIG_ARM)
479 * Instead of extracting the user-space pointers of the 3 fd_set,
480 * extract the bitmask of the FDs in the sets (in, out, ex) in the form
481 * of an array of uint8_t (1024 FDs is the limit in the kernel).
483 #define OVERRIDE_32_pselect6_time32
484 SC_LTTNG_TRACEPOINT_EVENT_CODE(pselect6_time32
,
485 TP_PROTO(sc_exit(long ret
,) int n
, fd_set __user
* inp
, fd_set __user
* outp
,
486 fd_set __user
* exp
, struct old_timespec32 __user
* tvp
, void __user
* sig
),
487 TP_ARGS(sc_exit(ret
,) n
, inp
, outp
, exp
, tvp
, sig
),
489 LTTNG_SYSCALL_SELECT_locvar
492 LTTNG_SYSCALL_SELECT_code_pre
495 sc_exit(ctf_integer(long, ret
, ret
))
496 sc_in(ctf_integer(int, n
, n
))
497 sc_inout(ctf_integer(uint8_t, overflow
, tp_locvar
->overflow
))
498 sc_inout(ctf_integer(struct old_timespec32
*, tvp
, tvp
))
499 sc_in(ctf_integer_hex(void *, sig
, sig
))
502 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
503 LTTNG_SYSCALL_SELECT_fds_field_LE(readfds
, inp
)
504 LTTNG_SYSCALL_SELECT_fds_field_LE(writefds
, outp
)
505 LTTNG_SYSCALL_SELECT_fds_field_LE(exceptfds
, exp
)
507 LTTNG_SYSCALL_SELECT_fds_field_BE(readfds
, inp
)
508 LTTNG_SYSCALL_SELECT_fds_field_BE(writefds
, outp
)
509 LTTNG_SYSCALL_SELECT_fds_field_BE(exceptfds
, exp
)
514 LTTNG_SYSCALL_SELECT_code_post
517 #endif /* defined(CONFIG_X86_32) || defined(CONFIG_ARM) */
519 #ifdef LTTNG_CREATE_FIELD_METADATA
520 #ifndef ONCE_LTTNG_TRACE_POLL_H
521 #define ONCE_LTTNG_TRACE_POLL_H
523 #define LTTNG_POLL_NRFLAGS (POLLNVAL + 1)
524 #define POLL_FLAGS_PADDING_SIZE (sizeof(uint8_t) * BITS_PER_BYTE) - \
525 ilog2(LTTNG_POLL_NRFLAGS - 1)
527 #ifndef LTTNG_TRACEPOINT_TYPE_EXTERN
529 * Only extract the values specified by iBCS2 for now.
531 static const struct lttng_kernel_event_field
*lttng_pollfd_flag_fields
[] = {
532 [ilog2(POLLIN
)] = lttng_kernel_static_event_field("POLLIN",
533 lttng_kernel_static_type_integer(1, 1, 0, __LITTLE_ENDIAN
, 10),
535 [ilog2(POLLPRI
)] = lttng_kernel_static_event_field("POLLPRI",
536 lttng_kernel_static_type_integer(1, 1, 0, __LITTLE_ENDIAN
, 10),
538 [ilog2(POLLOUT
)] = lttng_kernel_static_event_field("POLLOUT",
539 lttng_kernel_static_type_integer(1, 1, 0, __LITTLE_ENDIAN
, 10),
541 [ilog2(POLLERR
)] = lttng_kernel_static_event_field("POLLERR",
542 lttng_kernel_static_type_integer(1, 1, 0, __LITTLE_ENDIAN
, 10),
544 [ilog2(POLLHUP
)] = lttng_kernel_static_event_field("POLLHUP",
545 lttng_kernel_static_type_integer(1, 1, 0, __LITTLE_ENDIAN
, 10),
547 [ilog2(POLLNVAL
)] = lttng_kernel_static_event_field("POLLNVAL",
548 lttng_kernel_static_type_integer(1, 1, 0, __LITTLE_ENDIAN
, 10),
550 [ilog2(LTTNG_POLL_NRFLAGS
)] = lttng_kernel_static_event_field("padding",
551 lttng_kernel_static_type_integer(POLL_FLAGS_PADDING_SIZE
, 1, 0, __LITTLE_ENDIAN
, 10),
555 static_assert(((ARRAY_SIZE(lttng_pollfd_flag_fields
) - 1) + POLL_FLAGS_PADDING_SIZE
) == sizeof(uint8_t) * BITS_PER_BYTE
);
557 #endif /* LTTNG_TRACEPOINT_TYPE_EXTERN */
559 LTTNG_TRACEPOINT_TYPE(PARAMS(const struct lttng_kernel_type_struct lttng_pollfd_flag_fields_struct
),
560 PARAMS(lttng_kernel_static_type_struct_init(ARRAY_SIZE(lttng_pollfd_flag_fields
), lttng_pollfd_flag_fields
, 0)))
562 #ifndef LTTNG_TRACEPOINT_TYPE_EXTERN
563 static const struct lttng_kernel_event_field
*lttng_pollfd_fields
[] = {
564 [0] = lttng_kernel_static_event_field("fd", lttng_kernel_static_type_integer_from_type(int, __BYTE_ORDER
, 10),
566 [1] = lttng_kernel_static_event_field("raw_events", lttng_kernel_static_type_integer_from_type(uint16_t, __BYTE_ORDER
, 16),
568 [2] = lttng_kernel_static_event_field("events",
569 (const struct lttng_kernel_type_common
*) <tng_pollfd_flag_fields_struct
,
572 #endif /* LTTNG_TRACEPOINT_TYPE_EXTERN */
574 LTTNG_TRACEPOINT_TYPE(PARAMS(const struct lttng_kernel_type_struct lttng_pollfd_fields_struct
),
575 PARAMS(lttng_kernel_static_type_struct_init(ARRAY_SIZE(lttng_pollfd_fields
), lttng_pollfd_fields
, 0)))
577 #endif /* ONCE_LTTNG_TRACE_POLL_H */
578 #endif /* LTTNG_CREATE_FIELD_METADATA */
580 #define LTTNG_SYSCALL_POLL_locvar \
581 unsigned int fds_length, fds_max_len, alloc_fds; \
582 struct pollfd *fds; \
585 #define LTTNG_SYSCALL_POLL_code_pre \
586 tp_locvar->fds = NULL; \
587 tp_locvar->overflow = 0; \
590 if (nfds > PAGE_SIZE / sizeof(struct pollfd)) { \
591 tp_locvar->fds_length = PAGE_SIZE / sizeof(struct pollfd); \
592 tp_locvar->fds_max_len = PAGE_SIZE / sizeof(struct pollfd); \
593 tp_locvar->overflow = 1; \
595 tp_locvar->fds_length = nfds; \
596 tp_locvar->fds_max_len = nfds; \
598 tp_locvar->alloc_fds = tp_locvar->fds_length * sizeof(struct pollfd); \
601 * On exit, the number of active FDs is determined by ret, \
602 * nfds stays the same as the entry, but we only want to \
603 * output the FDs that are relevant. \
606 if (ret <= 0 || ret > nfds) \
609 if (nfds > PAGE_SIZE / sizeof(struct pollfd)) { \
610 tp_locvar->fds_length = PAGE_SIZE / sizeof(struct pollfd); \
611 tp_locvar->fds_max_len = PAGE_SIZE / sizeof(struct pollfd); \
612 tp_locvar->overflow = 1; \
614 tp_locvar->fds_length = ret; \
615 tp_locvar->fds_max_len = nfds; \
617 tp_locvar->alloc_fds = tp_locvar->fds_max_len * sizeof(struct pollfd); \
622 tp_locvar->fds = lttng_tp_mempool_alloc(tp_locvar->alloc_fds); \
623 if (!tp_locvar->fds) \
625 err = lib_ring_buffer_copy_from_user_check_nofault( \
626 tp_locvar->fds, ufds, tp_locvar->alloc_fds); \
633 tp_locvar->fds_length = 0; \
634 tp_locvar->fds_max_len = 0; \
638 #define LTTNG_SYSCALL_POLL_fds_field \
642 lttng_kernel_static_type_sequence("fds_length", \
643 (const struct lttng_kernel_type_common *) <tng_pollfd_fields_struct, \
651 ctf_align(int) /* Align on largest field in struct. */ \
652 for (i = 0; i < tp_locvar->fds_length; i++) { \
653 ctf_integer_type(int, tp_locvar->fds[i].fd) \
654 ctf_integer_type(short, tp_locvar->fds[i].events) \
655 ctf_integer_bitfield_type(uint8_t, \
656 (uint8_t) tp_locvar->fds[i].events) \
664 lttng_kernel_static_type_sequence("fds_length", \
665 (const struct lttng_kernel_type_common *) <tng_pollfd_fields_struct, \
671 unsigned int i, nr = 0; \
673 ctf_align(int) /* Align on largest field in struct. */ \
675 * Iterate over the complete array, but only output \
676 * "ret" active FDs. \
678 for (i = 0; i < tp_locvar->fds_max_len; i++) { \
679 if (!tp_locvar->fds[i].revents) \
681 if (nr++ >= tp_locvar->fds_length) \
683 ctf_integer_type(int, tp_locvar->fds[i].fd) \
684 ctf_integer_type(short, tp_locvar->fds[i].revents) \
685 ctf_integer_bitfield_type(uint8_t, \
686 (uint8_t) tp_locvar->fds[i].revents) \
689 * If there is a discrepancy between ret and the \
690 * content of revents (e.g. caused by userspace corrupting \
691 * the array from a concurrent thread), we have to output \
692 * zeros to keep the trace readable. \
694 for (i = nr; i < tp_locvar->fds_length; i++) { \
695 ctf_integer_type(int, 0) \
696 ctf_integer_type(short, 0) \
697 ctf_integer_bitfield_type(uint8_t, 0) \
703 #define LTTNG_SYSCALL_POLL_code_post \
704 lttng_tp_mempool_free(tp_locvar->fds);
706 #if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM)
708 * Instead of printing the pointer address of the poll set, extract all the FDs
709 * and flags from the poll set. For now, only output the standardized
710 * set of events to limit the verbosity of the output, and also extract
711 * the raw value. In the future, moving to CTF2 will allow hiding unset
712 * fields and then allow extracting all the fields.
714 #define OVERRIDE_32_poll
715 #define OVERRIDE_64_poll
716 SC_LTTNG_TRACEPOINT_EVENT_CODE(poll
,
717 TP_PROTO(sc_exit(long ret
,) struct pollfd __user
* ufds
,
718 unsigned int nfds
, int timeout_msecs
),
719 TP_ARGS(sc_exit(ret
,) ufds
, nfds
, timeout_msecs
),
721 LTTNG_SYSCALL_POLL_locvar
724 LTTNG_SYSCALL_POLL_code_pre
727 sc_exit(ctf_integer(long, ret
, ret
))
728 sc_in(ctf_integer(int, timeout_msecs
, timeout_msecs
))
729 sc_inout(ctf_integer(unsigned int, nfds
, nfds
))
730 sc_inout(ctf_integer(unsigned int, fds_length
, tp_locvar
->fds_length
))
731 sc_in(ctf_integer(uint8_t, overflow
, tp_locvar
->overflow
))
732 LTTNG_SYSCALL_POLL_fds_field
735 LTTNG_SYSCALL_POLL_code_post
738 #endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM) */
740 #if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM)
742 * Instead of printing the pointer address of the poll set, extract all the FDs
743 * and flags from the poll set. For now, only output the standardized
744 * set of events to limit the verbosity of the output, and also extract
745 * the raw value. In the future, moving to CTF2 will allow hiding unset
746 * fields and then allow extracting all the fields.
748 #define OVERRIDE_32_ppoll
749 #define OVERRIDE_64_ppoll
750 SC_LTTNG_TRACEPOINT_EVENT_CODE(ppoll
,
751 TP_PROTO(sc_exit(long ret
,) struct pollfd __user
* ufds
,
752 unsigned int nfds
, struct timespec
* tsp
, const sigset_t
* sigmask
, size_t sigsetsize
),
753 TP_ARGS(sc_exit(ret
,) ufds
, nfds
, tsp
, sigmask
, sigsetsize
),
755 LTTNG_SYSCALL_POLL_locvar
758 LTTNG_SYSCALL_POLL_code_pre
761 sc_exit(ctf_integer(long, ret
, ret
))
762 sc_in(ctf_integer(struct timespec
*, tsp
, tsp
))
763 sc_in(ctf_integer(const sigset_t
*, sigmask
, sigmask
))
764 sc_in(ctf_integer(size_t, sigsetsize
, sigsetsize
))
765 sc_inout(ctf_integer(unsigned int, nfds
, nfds
))
766 sc_inout(ctf_integer(unsigned int, fds_length
, tp_locvar
->fds_length
))
767 sc_inout(ctf_integer(uint8_t, overflow
, tp_locvar
->overflow
))
768 LTTNG_SYSCALL_POLL_fds_field
771 LTTNG_SYSCALL_POLL_code_post
774 #endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM) */
776 #if defined(CONFIG_X86_32) || defined(CONFIG_ARM)
778 * Instead of printing the pointer address of the poll set, extract all the FDs
779 * and flags from the poll set. For now, only output the standardized
780 * set of events to limit the verbosity of the output, and also extract
781 * the raw value. In the future, moving to CTF2 will allow hiding unset
782 * fields and then allow extracting all the fields.
784 #define OVERRIDE_32_ppoll_time32
785 SC_LTTNG_TRACEPOINT_EVENT_CODE(ppoll_time32
,
786 TP_PROTO(sc_exit(long ret
,) struct pollfd __user
* ufds
,
787 unsigned int nfds
, struct old_timespec32
* tsp
, const sigset_t
* sigmask
, size_t sigsetsize
),
788 TP_ARGS(sc_exit(ret
,) ufds
, nfds
, tsp
, sigmask
, sigsetsize
),
790 LTTNG_SYSCALL_POLL_locvar
793 LTTNG_SYSCALL_POLL_code_pre
796 sc_exit(ctf_integer(long, ret
, ret
))
797 sc_in(ctf_integer(struct old_timespec32
*, tsp
, tsp
))
798 sc_in(ctf_integer(const sigset_t
*, sigmask
, sigmask
))
799 sc_in(ctf_integer(size_t, sigsetsize
, sigsetsize
))
800 sc_inout(ctf_integer(unsigned int, nfds
, nfds
))
801 sc_inout(ctf_integer(unsigned int, fds_length
, tp_locvar
->fds_length
))
802 sc_inout(ctf_integer(uint8_t, overflow
, tp_locvar
->overflow
))
803 LTTNG_SYSCALL_POLL_fds_field
806 LTTNG_SYSCALL_POLL_code_post
809 #endif /* defined(CONFIG_X86_32) || defined(CONFIG_ARM) */
811 #include <linux/eventpoll.h>
813 SC_LTTNG_TRACEPOINT_ENUM(lttng_epoll_op
,
815 ctf_enum_value("EPOLL_CTL_ADD", EPOLL_CTL_ADD
)
816 ctf_enum_value("EPOLL_CTL_DEL", EPOLL_CTL_DEL
)
817 ctf_enum_value("EPOLL_CTL_MOD", EPOLL_CTL_MOD
)
821 #ifdef LTTNG_CREATE_FIELD_METADATA
823 #ifndef ONCE_LTTNG_TRACE_EPOLL_CTL_H
824 #define ONCE_LTTNG_TRACE_EPOLL_CTL_H
826 #define LTTNG_EPOLL_NRFLAGS (POLLHUP + 1)
827 #define EPOLL_FLAGS_PADDING_SIZE (sizeof(uint8_t) * BITS_PER_BYTE) - \
828 ilog2(LTTNG_EPOLL_NRFLAGS - 1)
830 #ifndef LTTNG_TRACEPOINT_TYPE_EXTERN
832 * Only extract the values specified by iBCS2 for now.
834 static const struct lttng_kernel_event_field
*lttng_epoll_ctl_events_fields
[] = {
836 [ilog2(POLLIN
)] = lttng_kernel_static_event_field("EPOLLIN",
837 lttng_kernel_static_type_integer(1, 1, 0, __LITTLE_ENDIAN
, 10),
840 [ilog2(POLLPRI
)] = lttng_kernel_static_event_field("EPOLLPRI",
841 lttng_kernel_static_type_integer(1, 1, 0, __LITTLE_ENDIAN
, 10),
844 [ilog2(POLLOUT
)] = lttng_kernel_static_event_field("EPOLLOUT",
845 lttng_kernel_static_type_integer(1, 1, 0, __LITTLE_ENDIAN
, 10),
848 [ilog2(POLLERR
)] = lttng_kernel_static_event_field("EPOLLERR",
849 lttng_kernel_static_type_integer(1, 1, 0, __LITTLE_ENDIAN
, 10),
852 [ilog2(POLLHUP
)] = lttng_kernel_static_event_field("EPOLLHUP",
853 lttng_kernel_static_type_integer(1, 1, 0, __LITTLE_ENDIAN
, 10),
855 [ilog2(LTTNG_EPOLL_NRFLAGS
)] = lttng_kernel_static_event_field("padding",
856 lttng_kernel_static_type_integer(EPOLL_FLAGS_PADDING_SIZE
, 1, 0, __LITTLE_ENDIAN
, 10),
859 #endif /* LTTNG_TRACEPOINT_TYPE_EXTERN */
861 LTTNG_TRACEPOINT_TYPE(PARAMS(const struct lttng_kernel_type_struct lttng_epoll_ctl_events_fields_struct
),
862 PARAMS(lttng_kernel_static_type_struct_init(ARRAY_SIZE(lttng_epoll_ctl_events_fields
), lttng_epoll_ctl_events_fields
, 0)))
864 #ifndef LTTNG_TRACEPOINT_TYPE_EXTERN
865 static const struct lttng_kernel_event_field
*lttng_epoll_data_fields
[] = {
866 [0] = lttng_kernel_static_event_field("u64",
867 lttng_kernel_static_type_integer_from_type(uint64_t, __BYTE_ORDER
, 16),
869 [1] = lttng_kernel_static_event_field("fd",
870 lttng_kernel_static_type_integer_from_type(int, __BYTE_ORDER
, 10),
873 #endif /* LTTNG_TRACEPOINT_TYPE_EXTERN */
875 LTTNG_TRACEPOINT_TYPE(PARAMS(const struct lttng_kernel_type_struct lttng_epoll_data_fields_struct
),
876 PARAMS(lttng_kernel_static_type_struct_init(ARRAY_SIZE(lttng_epoll_data_fields
), lttng_epoll_data_fields
, 0)))
878 #ifndef LTTNG_TRACEPOINT_TYPE_EXTERN
879 static const struct lttng_kernel_event_field
*epoll_ctl_fields
[] = {
880 [0] = lttng_kernel_static_event_field("data_union",
881 (const struct lttng_kernel_type_common
*) <tng_epoll_data_fields_struct
,
883 [1] = lttng_kernel_static_event_field("raw_events",
884 lttng_kernel_static_type_integer_from_type(uint32_t, __BYTE_ORDER
, 16),
886 [2] = lttng_kernel_static_event_field("events",
887 (const struct lttng_kernel_type_common
*) <tng_epoll_ctl_events_fields_struct
,
890 #endif /* LTTNG_TRACEPOINT_TYPE_EXTERN */
892 LTTNG_TRACEPOINT_TYPE(PARAMS(const struct lttng_kernel_type_struct epoll_ctl_fields_struct
),
893 PARAMS(lttng_kernel_static_type_struct_init(ARRAY_SIZE(epoll_ctl_fields
), epoll_ctl_fields
, 0)))
895 #endif /* ONCE_LTTNG_TRACE_EPOLL_CTL_H */
896 #endif /* LTTNG_CREATE_FIELD_METADATA */
898 #if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM)
899 #define OVERRIDE_32_epoll_ctl
900 #define OVERRIDE_64_epoll_ctl
901 SC_LTTNG_TRACEPOINT_EVENT_CODE(epoll_ctl
,
902 TP_PROTO(sc_exit(long ret
,) int epfd
, int op
, int fd
,
903 struct epoll_event __user
* uevent
),
904 TP_ARGS(sc_exit(ret
,) epfd
, op
, fd
, uevent
),
906 struct epoll_event event
;
910 tp_locvar
->err
= lib_ring_buffer_copy_from_user_check_nofault(
911 &tp_locvar
->event
, uevent
, sizeof(struct epoll_event
));
914 sc_exit(ctf_integer(long, ret
, ret
))
915 sc_in(ctf_integer(int, epfd
, epfd
))
916 sc_in(ctf_enum(lttng_epoll_op
, int, op_enum
, op
))
917 sc_in(ctf_integer(int, fd
, fd
))
921 (const struct lttng_kernel_type_common
*) &epoll_ctl_fields_struct
926 if (!tp_locvar
->err
) {
927 ctf_integer_type(uint64_t, tp_locvar
->event
.data
)
928 ctf_integer_type(int, tp_locvar
->event
.data
)
929 ctf_integer_bitfield_type(uint32_t,
930 tp_locvar
->event
.events
)
931 ctf_integer_bitfield_type(uint8_t,
932 (uint8_t) tp_locvar
->event
.events
)
934 ctf_integer_type(uint64_t, 0)
935 ctf_integer_type(int, 0)
936 ctf_integer_bitfield_type(uint32_t, 0)
937 ctf_integer_bitfield_type(uint8_t, 0)
945 #endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM) */
947 #ifdef LTTNG_CREATE_FIELD_METADATA
948 #ifndef ONCE_LTTNG_TRACE_EPOLL_H
949 #define ONCE_LTTNG_TRACE_EPOLL_H
951 #ifndef LTTNG_TRACEPOINT_TYPE_EXTERN
952 static const struct lttng_kernel_event_field
*lttng_epoll_wait_fields
[] = lttng_kernel_static_event_field_array(
953 [0] = lttng_kernel_static_event_field("data_union",
954 (const struct lttng_kernel_type_common
*) <tng_epoll_data_fields_struct
,
956 [1] = lttng_kernel_static_event_field("raw_events", lttng_kernel_static_type_integer_from_type(uint32_t, __BYTE_ORDER
, 16),
958 [2] = lttng_kernel_static_event_field("events",
959 (const struct lttng_kernel_type_common
*) <tng_epoll_ctl_events_fields_struct
,
963 static_assert(((ARRAY_SIZE(lttng_epoll_ctl_events_fields
) - 1) + EPOLL_FLAGS_PADDING_SIZE
) == sizeof(uint8_t) * BITS_PER_BYTE
);
965 #endif /* LTTNG_TRACEPOINT_TYPE_EXTERN */
967 LTTNG_TRACEPOINT_TYPE(PARAMS(const struct lttng_kernel_type_struct lttng_epoll_wait_fields_struct
),
968 PARAMS(lttng_kernel_static_type_struct_init(ARRAY_SIZE(lttng_epoll_wait_fields
), lttng_epoll_wait_fields
, 0)))
970 #endif /* ONCE_LTTNG_TRACE_EPOLL_H */
971 #endif /* LTTNG_CREATE_FIELD_METADATA */
973 #define LTTNG_SYSCALL_EPOLL_WAIT_locvar \
975 unsigned int fds_length; \
977 struct epoll_event *events; \
980 #define LTTNG_SYSCALL_EPOLL_WAIT_code_pre \
983 unsigned long maxalloc; \
985 tp_locvar->fds_length = 0; \
986 tp_locvar->events = NULL; \
987 tp_locvar->overflow = 0; \
989 if (maxevents <= 0 || ret <= 0 || ret > maxevents) \
992 if (maxevents > PAGE_SIZE / sizeof(struct epoll_event)) { \
993 maxalloc = PAGE_SIZE / sizeof(struct epoll_event); \
995 maxalloc = maxevents; \
998 if (ret > maxalloc) { \
999 tp_locvar->fds_length = maxalloc; \
1000 tp_locvar->overflow = 1; \
1002 tp_locvar->fds_length = ret; \
1005 tp_locvar->events = lttng_tp_mempool_alloc( \
1006 maxalloc * sizeof(struct epoll_event)); \
1007 if (!tp_locvar->events) { \
1008 tp_locvar->fds_length = 0; \
1012 err = lib_ring_buffer_copy_from_user_check_nofault( \
1013 tp_locvar->events, uevents, \
1014 maxalloc * sizeof(struct epoll_event)); \
1016 tp_locvar->fds_length = 0; \
1021 #define LTTNG_SYSCALL_EPOLL_WAIT_fds_field \
1024 lttng_kernel_static_type_sequence("fds_length", \
1025 (const struct lttng_kernel_type_common *) <tng_epoll_wait_fields_struct, \
1033 ctf_align(uint64_t) \
1034 for (i = 0; i < tp_locvar->fds_length; i++) { \
1035 ctf_integer_type(uint64_t, tp_locvar->events[i].data) \
1036 ctf_integer_type(int, tp_locvar->events[i].data) \
1037 ctf_integer_bitfield_type(uint32_t, \
1038 tp_locvar->events[i].events) \
1039 ctf_integer_bitfield_type(uint8_t, \
1040 (uint8_t) tp_locvar->events[i].events) \
1045 #define LTTNG_SYSCALL_EPOLL_WAIT_code_post \
1047 lttng_tp_mempool_free(tp_locvar->events); \
1051 #if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM)
1052 #define OVERRIDE_32_epoll_wait
1053 #define OVERRIDE_64_epoll_wait
1054 SC_LTTNG_TRACEPOINT_EVENT_CODE(epoll_wait
,
1055 TP_PROTO(sc_exit(long ret
,) int epfd
, struct epoll_event __user
* uevents
,
1056 int maxevents
, int timeout
),
1057 TP_ARGS(sc_exit(ret
,) epfd
, uevents
, maxevents
, timeout
),
1059 LTTNG_SYSCALL_EPOLL_WAIT_locvar
1062 LTTNG_SYSCALL_EPOLL_WAIT_code_pre
1065 sc_exit(ctf_integer(long, ret
, ret
))
1066 sc_in(ctf_integer(int, epfd
, epfd
))
1067 sc_in(ctf_integer(int, maxevents
, maxevents
))
1068 sc_in(ctf_integer(int, timeout
, timeout
))
1069 sc_out(ctf_integer(unsigned int, fds_length
, tp_locvar
->fds_length
))
1070 sc_out(ctf_integer(uint8_t, overflow
, tp_locvar
->overflow
))
1072 LTTNG_SYSCALL_EPOLL_WAIT_fds_field
1076 LTTNG_SYSCALL_EPOLL_WAIT_code_post
1079 #endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM) */
1081 #if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM)
1082 #define OVERRIDE_32_epoll_pwait
1083 #define OVERRIDE_64_epoll_pwait
1084 SC_LTTNG_TRACEPOINT_EVENT_CODE(epoll_pwait
,
1085 TP_PROTO(sc_exit(long ret
,) int epfd
, struct epoll_event __user
* uevents
,
1086 int maxevents
, int timeout
, const sigset_t __user
* sigmask
, size_t sigsetsize
),
1087 TP_ARGS(sc_exit(ret
,) epfd
, uevents
, maxevents
, timeout
, sigmask
, sigsetsize
),
1089 LTTNG_SYSCALL_EPOLL_WAIT_locvar
1092 LTTNG_SYSCALL_EPOLL_WAIT_code_pre
1095 sc_exit(ctf_integer(long, ret
, ret
))
1096 sc_in(ctf_integer(int, epfd
, epfd
))
1097 sc_in(ctf_integer(int, maxevents
, maxevents
))
1098 sc_in(ctf_integer(int, timeout
, timeout
))
1099 sc_in(ctf_integer_hex(const sigset_t
*, sigmask
, sigmask
))
1100 sc_in(ctf_integer(size_t, sigsetsize
, sigsetsize
))
1101 sc_out(ctf_integer(unsigned int, fds_length
, tp_locvar
->fds_length
))
1102 sc_out(ctf_integer(uint8_t, overflow
, tp_locvar
->overflow
))
1104 LTTNG_SYSCALL_EPOLL_WAIT_fds_field
1108 LTTNG_SYSCALL_EPOLL_WAIT_code_post
1111 #endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM) */
1113 #if (defined(CONFIG_X86_64) && !defined(LTTNG_SC_COMPAT)) || defined(CONFIG_ARM64) || defined(CONFIG_ARM)
1114 #define OVERRIDE_32_socketpair
1115 #define OVERRIDE_64_socketpair
1116 SC_LTTNG_TRACEPOINT_EVENT(socketpair
,
1117 TP_PROTO(sc_exit(long ret
,) int family
, int type
, int protocol
, int *usockvec
),
1118 TP_ARGS(sc_exit(ret
,) family
, type
, protocol
, usockvec
),
1120 sc_exit(ctf_integer(long, ret
, ret
))
1121 sc_in(ctf_integer(int, family
, family
))
1122 sc_in(ctf_integer(int, type
, type
))
1123 sc_in(ctf_integer(int, protocol
, protocol
))
1124 sc_out(ctf_user_array(int, socket
, usockvec
, 2))
1127 #endif /* (defined(CONFIG_X86_64) && !defined(LTTNG_SC_COMPAT)) || defined(CONFIG_ARM64) || defined(CONFIG_ARM) */
1129 #ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM
1131 * Enumeration of the open flags, as described in the 'open'
1132 * system call man page.
1134 SC_LTTNG_TRACEPOINT_ENUM(lttng_file_status_flags
,
1136 ctf_enum_value("O_RDONLY", O_RDONLY
)
1137 ctf_enum_value("O_WRONLY", O_WRONLY
)
1138 ctf_enum_value("O_RDWR", O_RDWR
)
1139 ctf_enum_value("O_CREAT", O_CREAT
)
1140 ctf_enum_value("O_EXCL", O_EXCL
)
1141 ctf_enum_value("O_NOCTTY", O_NOCTTY
)
1142 ctf_enum_value("O_TRUNC", O_TRUNC
)
1143 ctf_enum_value("O_APPEND", O_APPEND
)
1144 ctf_enum_value("O_NONBLOCK", O_NONBLOCK
)
1145 ctf_enum_value("O_DSYNC", O_DSYNC
)
1146 ctf_enum_value("FASYNC", FASYNC
)
1147 ctf_enum_value("O_DIRECT", O_DIRECT
)
1148 ctf_enum_value("O_LARGEFILE", O_LARGEFILE
)
1149 ctf_enum_value("O_DIRECTORY", O_DIRECTORY
)
1150 ctf_enum_value("O_NOFOLLOW", O_NOFOLLOW
)
1151 ctf_enum_value("O_NOATIME", O_NOATIME
)
1152 ctf_enum_value("O_CLOEXEC", O_CLOEXEC
)
1153 ctf_enum_value("O_SYNC", __O_SYNC
)
1154 ctf_enum_value("O_PATH", O_PATH
)
1155 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0))
1156 ctf_enum_value("O_TMPFILE", __O_TMPFILE
)
1157 #endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0)) */
1162 * Enumeration of the open flags, as described in the 'open'
1163 * system call man page.
1165 SC_LTTNG_TRACEPOINT_ENUM(lttng_file_mode
,
1167 ctf_enum_value("S_IRWXU", S_IRWXU
)
1168 ctf_enum_value("S_IRUSR", S_IRUSR
)
1169 ctf_enum_value("S_IWUSR", S_IWUSR
)
1170 ctf_enum_value("S_IXUSR", S_IXUSR
)
1171 ctf_enum_value("S_IRWXG", S_IRWXG
)
1172 ctf_enum_value("S_IRGRP", S_IRGRP
)
1173 ctf_enum_value("S_IWGRP", S_IWGRP
)
1174 ctf_enum_value("S_IXGRP", S_IXGRP
)
1175 ctf_enum_value("S_IRWXO", S_IRWXO
)
1176 ctf_enum_value("S_IROTH", S_IROTH
)
1177 ctf_enum_value("S_IWOTH", S_IWOTH
)
1178 ctf_enum_value("S_IXOTH", S_IXOTH
)
1179 ctf_enum_value("S_ISUID", S_ISUID
)
1180 ctf_enum_value("S_ISGID", S_ISGID
)
1181 ctf_enum_value("S_ISVTX", S_ISVTX
)
1185 #define OVERRIDE_32_openat
1186 #define OVERRIDE_64_openat
1187 SC_LTTNG_TRACEPOINT_EVENT(openat
,
1188 TP_PROTO(sc_exit(long ret
,) int dfd
, const char * filename
, int flags
, umode_t mode
),
1189 TP_ARGS(sc_exit(ret
,) dfd
, filename
, flags
, mode
),
1191 sc_exit(ctf_integer(long, ret
, ret
))
1192 sc_in(ctf_integer(int, dfd
, dfd
))
1193 sc_in(ctf_user_string(filename
, filename
))
1194 sc_in(ctf_enum(lttng_file_status_flags
, int, flags
, flags
))
1195 sc_in(ctf_enum(lttng_file_mode
, umode_t
, mode
, mode
))
1199 #define OVERRIDE_32_open
1200 #define OVERRIDE_64_open
1201 SC_LTTNG_TRACEPOINT_EVENT(open
,
1202 TP_PROTO(sc_exit(long ret
,) const char * filename
, int flags
, umode_t mode
),
1203 TP_ARGS(sc_exit(ret
,) filename
, flags
, mode
),
1205 sc_exit(ctf_integer(long, ret
, ret
))
1206 sc_in(ctf_user_string(filename
, filename
))
1207 sc_in(ctf_enum(lttng_file_status_flags
, int, flags
, flags
))
1208 sc_in(ctf_enum(lttng_file_mode
, umode_t
, mode
, mode
))
1211 #endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */
1213 #endif /* CREATE_SYSCALL_TABLE */