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249 lines
10 KiB
249 lines
10 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _PERF_TRACE_BEAUTY_H |
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#define _PERF_TRACE_BEAUTY_H |
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#include <linux/kernel.h> |
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#include <linux/types.h> |
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#include <sys/types.h> |
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#include <stdbool.h> |
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struct strarray { |
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u64 offset; |
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int nr_entries; |
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const char *prefix; |
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const char **entries; |
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}; |
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#define DEFINE_STRARRAY(array, _prefix) struct strarray strarray__##array = { \ |
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.nr_entries = ARRAY_SIZE(array), \ |
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.entries = array, \ |
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.prefix = _prefix, \ |
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} |
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#define DEFINE_STRARRAY_OFFSET(array, _prefix, off) struct strarray strarray__##array = { \ |
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.offset = off, \ |
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.nr_entries = ARRAY_SIZE(array), \ |
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.entries = array, \ |
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.prefix = _prefix, \ |
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} |
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size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const char *intfmt, bool show_prefix, int val); |
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size_t strarray__scnprintf_suffix(struct strarray *sa, char *bf, size_t size, const char *intfmt, bool show_suffix, int val); |
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size_t strarray__scnprintf_flags(struct strarray *sa, char *bf, size_t size, bool show_prefix, unsigned long flags); |
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bool strarray__strtoul(struct strarray *sa, char *bf, size_t size, u64 *ret); |
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bool strarray__strtoul_flags(struct strarray *sa, char *bf, size_t size, u64 *ret); |
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struct trace; |
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struct thread; |
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struct file { |
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char *pathname; |
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int dev_maj; |
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}; |
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struct file *thread__files_entry(struct thread *thread, int fd); |
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struct strarrays { |
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int nr_entries; |
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struct strarray **entries; |
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}; |
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#define DEFINE_STRARRAYS(array) struct strarrays strarrays__##array = { \ |
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.nr_entries = ARRAY_SIZE(array), \ |
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.entries = array, \ |
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} |
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size_t strarrays__scnprintf(struct strarrays *sas, char *bf, size_t size, const char *intfmt, bool show_prefix, int val); |
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bool strarrays__strtoul(struct strarrays *sas, char *bf, size_t size, u64 *ret); |
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size_t pid__scnprintf_fd(struct trace *trace, pid_t pid, int fd, char *bf, size_t size); |
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extern struct strarray strarray__socket_families; |
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/** |
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* augmented_arg: extra payload for syscall pointer arguments |
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* If perf_sample->raw_size is more than what a syscall sys_enter_FOO puts, |
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* then its the arguments contents, so that we can show more than just a |
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* pointer. This will be done initially with eBPF, the start of that is at the |
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* tools/perf/examples/bpf/augmented_syscalls.c example for the openat, but |
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* will eventually be done automagically caching the running kernel tracefs |
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* events data into an eBPF C script, that then gets compiled and its .o file |
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* cached for subsequent use. For char pointers like the ones for 'open' like |
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* syscalls its easy, for the rest we should use DWARF or better, BTF, much |
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* more compact. |
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* |
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* @size: 8 if all we need is an integer, otherwise all of the augmented arg. |
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* @int_arg: will be used for integer like pointer contents, like 'accept's 'upeer_addrlen' |
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* @value: u64 aligned, for structs, pathnames |
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*/ |
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struct augmented_arg { |
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int size; |
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int int_arg; |
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u64 value[]; |
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}; |
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struct syscall_arg_fmt; |
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/** |
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* @val: value of syscall argument being formatted |
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* @len: for tracepoint dynamic arrays, if fmt->nr_entries == 0, then its not a fixed array, look at arg->len |
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* @args: All the args, use syscall_args__val(arg, nth) to access one |
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* @augmented_args: Extra data that can be collected, for instance, with eBPF for expanding the pathname for open, etc |
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* @augmented_args_size: augmented_args total payload size |
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* @thread: tid state (maps, pid, tid, etc) |
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* @trace: 'perf trace' internals: all threads, etc |
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* @parm: private area, may be an strarray, for instance |
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* @idx: syscall arg idx (is this the first?) |
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* @mask: a syscall arg may mask another arg, see syscall_arg__scnprintf_futex_op |
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* @show_string_prefix: When there is a common prefix in a string table, show it or not |
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*/ |
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struct syscall_arg { |
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unsigned long val; |
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unsigned char *args; |
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struct syscall_arg_fmt *fmt; |
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struct { |
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struct augmented_arg *args; |
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int size; |
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} augmented; |
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struct thread *thread; |
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struct trace *trace; |
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void *parm; |
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u16 len; |
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u8 idx; |
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u8 mask; |
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bool show_string_prefix; |
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}; |
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unsigned long syscall_arg__val(struct syscall_arg *arg, u8 idx); |
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size_t syscall_arg__scnprintf_strarray_flags(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_STRARRAY_FLAGS syscall_arg__scnprintf_strarray_flags |
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bool syscall_arg__strtoul_strarray(char *bf, size_t size, struct syscall_arg *arg, u64 *ret); |
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#define STUL_STRARRAY syscall_arg__strtoul_strarray |
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bool syscall_arg__strtoul_strarray_flags(char *bf, size_t size, struct syscall_arg *arg, u64 *ret); |
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#define STUL_STRARRAY_FLAGS syscall_arg__strtoul_strarray_flags |
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bool syscall_arg__strtoul_strarrays(char *bf, size_t size, struct syscall_arg *arg, u64 *ret); |
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#define STUL_STRARRAYS syscall_arg__strtoul_strarrays |
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size_t syscall_arg__scnprintf_x86_irq_vectors(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_X86_IRQ_VECTORS syscall_arg__scnprintf_x86_irq_vectors |
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bool syscall_arg__strtoul_x86_irq_vectors(char *bf, size_t size, struct syscall_arg *arg, u64 *ret); |
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#define STUL_X86_IRQ_VECTORS syscall_arg__strtoul_x86_irq_vectors |
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size_t syscall_arg__scnprintf_x86_MSR(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_X86_MSR syscall_arg__scnprintf_x86_MSR |
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bool syscall_arg__strtoul_x86_MSR(char *bf, size_t size, struct syscall_arg *arg, u64 *ret); |
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#define STUL_X86_MSR syscall_arg__strtoul_x86_MSR |
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size_t syscall_arg__scnprintf_strarrays(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_STRARRAYS syscall_arg__scnprintf_strarrays |
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size_t syscall_arg__scnprintf_fd(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_FD syscall_arg__scnprintf_fd |
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size_t syscall_arg__scnprintf_hex(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_HEX syscall_arg__scnprintf_hex |
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size_t syscall_arg__scnprintf_ptr(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_PTR syscall_arg__scnprintf_ptr |
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size_t syscall_arg__scnprintf_int(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_INT syscall_arg__scnprintf_int |
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size_t syscall_arg__scnprintf_long(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_LONG syscall_arg__scnprintf_long |
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size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_PID syscall_arg__scnprintf_pid |
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size_t syscall_arg__scnprintf_clone_flags(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_CLONE_FLAGS syscall_arg__scnprintf_clone_flags |
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size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_FCNTL_CMD syscall_arg__scnprintf_fcntl_cmd |
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size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_FCNTL_ARG syscall_arg__scnprintf_fcntl_arg |
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size_t syscall_arg__scnprintf_flock(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_FLOCK syscall_arg__scnprintf_flock |
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size_t syscall_arg__scnprintf_fsmount_attr_flags(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_FSMOUNT_ATTR_FLAGS syscall_arg__scnprintf_fsmount_attr_flags |
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size_t syscall_arg__scnprintf_fspick_flags(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_FSPICK_FLAGS syscall_arg__scnprintf_fspick_flags |
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size_t syscall_arg__scnprintf_ioctl_cmd(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_IOCTL_CMD syscall_arg__scnprintf_ioctl_cmd |
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size_t syscall_arg__scnprintf_kcmp_type(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_KCMP_TYPE syscall_arg__scnprintf_kcmp_type |
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size_t syscall_arg__scnprintf_kcmp_idx(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_KCMP_IDX syscall_arg__scnprintf_kcmp_idx |
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unsigned long syscall_arg__mask_val_mount_flags(struct syscall_arg *arg, unsigned long flags); |
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#define SCAMV_MOUNT_FLAGS syscall_arg__mask_val_mount_flags |
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size_t syscall_arg__scnprintf_mount_flags(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_MOUNT_FLAGS syscall_arg__scnprintf_mount_flags |
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size_t syscall_arg__scnprintf_move_mount_flags(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_MOVE_MOUNT_FLAGS syscall_arg__scnprintf_move_mount_flags |
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size_t syscall_arg__scnprintf_pkey_alloc_access_rights(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_PKEY_ALLOC_ACCESS_RIGHTS syscall_arg__scnprintf_pkey_alloc_access_rights |
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size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags |
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size_t syscall_arg__scnprintf_x86_arch_prctl_code(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_X86_ARCH_PRCTL_CODE syscall_arg__scnprintf_x86_arch_prctl_code |
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size_t syscall_arg__scnprintf_prctl_option(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_PRCTL_OPTION syscall_arg__scnprintf_prctl_option |
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extern struct strarray strarray__prctl_options; |
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size_t syscall_arg__scnprintf_prctl_arg2(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_PRCTL_ARG2 syscall_arg__scnprintf_prctl_arg2 |
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size_t syscall_arg__scnprintf_prctl_arg3(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_PRCTL_ARG3 syscall_arg__scnprintf_prctl_arg3 |
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size_t syscall_arg__scnprintf_renameat2_flags(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_RENAMEAT2_FLAGS syscall_arg__scnprintf_renameat2_flags |
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size_t syscall_arg__scnprintf_sockaddr(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_SOCKADDR syscall_arg__scnprintf_sockaddr |
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size_t syscall_arg__scnprintf_socket_protocol(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_SK_PROTO syscall_arg__scnprintf_socket_protocol |
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size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_STATX_FLAGS syscall_arg__scnprintf_statx_flags |
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size_t syscall_arg__scnprintf_statx_mask(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_STATX_MASK syscall_arg__scnprintf_statx_mask |
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size_t syscall_arg__scnprintf_sync_file_range_flags(char *bf, size_t size, struct syscall_arg *arg); |
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#define SCA_SYNC_FILE_RANGE_FLAGS syscall_arg__scnprintf_sync_file_range_flags |
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size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix); |
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void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg, |
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size_t (*ret_scnprintf)(char *bf, size_t size, struct syscall_arg *arg)); |
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const char *arch_syscalls__strerrno(const char *arch, int err); |
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#endif /* _PERF_TRACE_BEAUTY_H */
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