1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _PERF_TRACE_BEAUTY_H
3 #define _PERF_TRACE_BEAUTY_H
5 #include <linux/kernel.h>
6 #include <linux/types.h>
17 #define DEFINE_STRARRAY(array, _prefix) struct strarray strarray__##array = { \
18 .nr_entries = ARRAY_SIZE(array), \
23 #define DEFINE_STRARRAY_OFFSET(array, _prefix, off) struct strarray strarray__##array = { \
25 .nr_entries = ARRAY_SIZE(array), \
30 size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const char *intfmt, bool show_prefix, int val);
31 size_t strarray__scnprintf_suffix(struct strarray *sa, char *bf, size_t size, const char *intfmt, bool show_suffix, int val);
32 size_t strarray__scnprintf_flags(struct strarray *sa, char *bf, size_t size, bool show_prefix, unsigned long flags);
34 bool strarray__strtoul(struct strarray *sa, char *bf, size_t size, u64 *ret);
44 struct file *thread__files_entry(struct thread *thread, int fd);
48 struct strarray **entries;
51 #define DEFINE_STRARRAYS(array) struct strarrays strarrays__##array = { \
52 .nr_entries = ARRAY_SIZE(array), \
56 size_t strarrays__scnprintf(struct strarrays *sas, char *bf, size_t size, const char *intfmt, bool show_prefix, int val);
58 bool strarrays__strtoul(struct strarrays *sas, char *bf, size_t size, u64 *ret);
60 size_t pid__scnprintf_fd(struct trace *trace, pid_t pid, int fd, char *bf, size_t size);
62 extern struct strarray strarray__socket_families;
65 * augmented_arg: extra payload for syscall pointer arguments
67 * If perf_sample->raw_size is more than what a syscall sys_enter_FOO puts,
68 * then its the arguments contents, so that we can show more than just a
69 * pointer. This will be done initially with eBPF, the start of that is at the
70 * tools/perf/examples/bpf/augmented_syscalls.c example for the openat, but
71 * will eventually be done automagically caching the running kernel tracefs
72 * events data into an eBPF C script, that then gets compiled and its .o file
73 * cached for subsequent use. For char pointers like the ones for 'open' like
74 * syscalls its easy, for the rest we should use DWARF or better, BTF, much
77 * @size: 8 if all we need is an integer, otherwise all of the augmented arg.
78 * @int_arg: will be used for integer like pointer contents, like 'accept's 'upeer_addrlen'
79 * @value: u64 aligned, for structs, pathnames
81 struct augmented_arg {
87 struct syscall_arg_fmt;
90 * @val: value of syscall argument being formatted
91 * @len: for tracepoint dynamic arrays, if fmt->nr_entries == 0, then its not a fixed array, look at arg->len
92 * @args: All the args, use syscall_args__val(arg, nth) to access one
93 * @augmented_args: Extra data that can be collected, for instance, with eBPF for expanding the pathname for open, etc
94 * @augmented_args_size: augmented_args total payload size
95 * @thread: tid state (maps, pid, tid, etc)
96 * @trace: 'perf trace' internals: all threads, etc
97 * @parm: private area, may be an strarray, for instance
98 * @idx: syscall arg idx (is this the first?)
99 * @mask: a syscall arg may mask another arg, see syscall_arg__scnprintf_futex_op
100 * @show_string_prefix: When there is a common prefix in a string table, show it or not
106 struct syscall_arg_fmt *fmt;
108 struct augmented_arg *args;
111 struct thread *thread;
117 bool show_string_prefix;
120 unsigned long syscall_arg__val(struct syscall_arg *arg, u8 idx);
122 size_t syscall_arg__scnprintf_strarray_flags(char *bf, size_t size, struct syscall_arg *arg);
123 #define SCA_STRARRAY_FLAGS syscall_arg__scnprintf_strarray_flags
125 size_t syscall_arg__scnprintf_x86_MSR(char *bf, size_t size, struct syscall_arg *arg);
126 #define SCA_X86_MSR syscall_arg__scnprintf_x86_MSR
128 bool syscall_arg__strtoul_x86_MSR(char *bf, size_t size, struct syscall_arg *arg, u64 *ret);
129 #define STUL_X86_MSR syscall_arg__strtoul_x86_MSR
131 size_t syscall_arg__scnprintf_strarrays(char *bf, size_t size, struct syscall_arg *arg);
132 #define SCA_STRARRAYS syscall_arg__scnprintf_strarrays
134 size_t syscall_arg__scnprintf_fd(char *bf, size_t size, struct syscall_arg *arg);
135 #define SCA_FD syscall_arg__scnprintf_fd
137 size_t syscall_arg__scnprintf_hex(char *bf, size_t size, struct syscall_arg *arg);
138 #define SCA_HEX syscall_arg__scnprintf_hex
140 size_t syscall_arg__scnprintf_ptr(char *bf, size_t size, struct syscall_arg *arg);
141 #define SCA_PTR syscall_arg__scnprintf_ptr
143 size_t syscall_arg__scnprintf_int(char *bf, size_t size, struct syscall_arg *arg);
144 #define SCA_INT syscall_arg__scnprintf_int
146 size_t syscall_arg__scnprintf_long(char *bf, size_t size, struct syscall_arg *arg);
147 #define SCA_LONG syscall_arg__scnprintf_long
149 size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg);
150 #define SCA_PID syscall_arg__scnprintf_pid
152 size_t syscall_arg__scnprintf_clone_flags(char *bf, size_t size, struct syscall_arg *arg);
153 #define SCA_CLONE_FLAGS syscall_arg__scnprintf_clone_flags
155 size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_arg *arg);
156 #define SCA_FCNTL_CMD syscall_arg__scnprintf_fcntl_cmd
158 size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_arg *arg);
159 #define SCA_FCNTL_ARG syscall_arg__scnprintf_fcntl_arg
161 size_t syscall_arg__scnprintf_flock(char *bf, size_t size, struct syscall_arg *arg);
162 #define SCA_FLOCK syscall_arg__scnprintf_flock
164 size_t syscall_arg__scnprintf_fsmount_attr_flags(char *bf, size_t size, struct syscall_arg *arg);
165 #define SCA_FSMOUNT_ATTR_FLAGS syscall_arg__scnprintf_fsmount_attr_flags
167 size_t syscall_arg__scnprintf_fspick_flags(char *bf, size_t size, struct syscall_arg *arg);
168 #define SCA_FSPICK_FLAGS syscall_arg__scnprintf_fspick_flags
170 size_t syscall_arg__scnprintf_ioctl_cmd(char *bf, size_t size, struct syscall_arg *arg);
171 #define SCA_IOCTL_CMD syscall_arg__scnprintf_ioctl_cmd
173 size_t syscall_arg__scnprintf_kcmp_type(char *bf, size_t size, struct syscall_arg *arg);
174 #define SCA_KCMP_TYPE syscall_arg__scnprintf_kcmp_type
176 size_t syscall_arg__scnprintf_kcmp_idx(char *bf, size_t size, struct syscall_arg *arg);
177 #define SCA_KCMP_IDX syscall_arg__scnprintf_kcmp_idx
179 unsigned long syscall_arg__mask_val_mount_flags(struct syscall_arg *arg, unsigned long flags);
180 #define SCAMV_MOUNT_FLAGS syscall_arg__mask_val_mount_flags
182 size_t syscall_arg__scnprintf_mount_flags(char *bf, size_t size, struct syscall_arg *arg);
183 #define SCA_MOUNT_FLAGS syscall_arg__scnprintf_mount_flags
185 size_t syscall_arg__scnprintf_move_mount_flags(char *bf, size_t size, struct syscall_arg *arg);
186 #define SCA_MOVE_MOUNT_FLAGS syscall_arg__scnprintf_move_mount_flags
188 size_t syscall_arg__scnprintf_pkey_alloc_access_rights(char *bf, size_t size, struct syscall_arg *arg);
189 #define SCA_PKEY_ALLOC_ACCESS_RIGHTS syscall_arg__scnprintf_pkey_alloc_access_rights
191 size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg);
192 #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags
194 size_t syscall_arg__scnprintf_x86_arch_prctl_code(char *bf, size_t size, struct syscall_arg *arg);
195 #define SCA_X86_ARCH_PRCTL_CODE syscall_arg__scnprintf_x86_arch_prctl_code
197 size_t syscall_arg__scnprintf_prctl_option(char *bf, size_t size, struct syscall_arg *arg);
198 #define SCA_PRCTL_OPTION syscall_arg__scnprintf_prctl_option
200 size_t syscall_arg__scnprintf_prctl_arg2(char *bf, size_t size, struct syscall_arg *arg);
201 #define SCA_PRCTL_ARG2 syscall_arg__scnprintf_prctl_arg2
203 size_t syscall_arg__scnprintf_prctl_arg3(char *bf, size_t size, struct syscall_arg *arg);
204 #define SCA_PRCTL_ARG3 syscall_arg__scnprintf_prctl_arg3
206 size_t syscall_arg__scnprintf_renameat2_flags(char *bf, size_t size, struct syscall_arg *arg);
207 #define SCA_RENAMEAT2_FLAGS syscall_arg__scnprintf_renameat2_flags
209 size_t syscall_arg__scnprintf_sockaddr(char *bf, size_t size, struct syscall_arg *arg);
210 #define SCA_SOCKADDR syscall_arg__scnprintf_sockaddr
212 size_t syscall_arg__scnprintf_socket_protocol(char *bf, size_t size, struct syscall_arg *arg);
213 #define SCA_SK_PROTO syscall_arg__scnprintf_socket_protocol
215 size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_arg *arg);
216 #define SCA_STATX_FLAGS syscall_arg__scnprintf_statx_flags
218 size_t syscall_arg__scnprintf_statx_mask(char *bf, size_t size, struct syscall_arg *arg);
219 #define SCA_STATX_MASK syscall_arg__scnprintf_statx_mask
221 size_t syscall_arg__scnprintf_sync_file_range_flags(char *bf, size_t size, struct syscall_arg *arg);
222 #define SCA_SYNC_FILE_RANGE_FLAGS syscall_arg__scnprintf_sync_file_range_flags
224 size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix);
226 void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg,
227 size_t (*ret_scnprintf)(char *bf, size_t size, struct syscall_arg *arg));
229 const char *arch_syscalls__strerrno(const char *arch, int err);
231 #endif /* _PERF_TRACE_BEAUTY_H */