section 3stap · Library functions 📚

F (continued)

• function::qsq_print(3stap)Prints a line of statistics for the given queue✨
• function::qsq_service_time(3stap)Amount of time per request service✨
• function::qsq_start(3stap)Function to reset the stats for a queue✨
• function::qsq_throughput(3stap)Number of requests served per unit time✨
• function::qsq_utilization(3stap)Fraction of time that any request was being serviced✨
• function::qsq_wait_queue_length(3stap)length of wait queue✨
• function::qsq_wait_time(3stap)Amount of time in queue + service per request✨
• function::raise(3stap)raise a signal in the current thread✨
• function::randint(3stap)Return a random number between [0,n)✨
• function::read_stopwatch_ms(3stap)Reads the time in milliseconds for a stopwatch✨
• function::read_stopwatch_ns(3stap)Reads the time in nanoseconds for a stopwatch✨
• function::read_stopwatch_s(3stap)Reads the time in seconds for a stopwatch✨
• function::read_stopwatch_us(3stap)Reads the time in microseconds for a stopwatch✨
• function::real_mount(3stap)get the 'struct mount' pointer✨
• function::register(3stap)Return the signed value of the named CPU register✨
• function::registers_valid(3stap)Determines validity of register and u_register in current context✨
• function::regparm(3stap)Specify regparm value used to compile function✨
• function::remote_id(3stap)The index of this instance in a remote execution.✨
• function::remote_uri(3stap)The name of this instance in a remote execution.✨
• function::return_str(3stap)Formats the return value as a string✨
• function::returnstr(3stap)Formats the return value as a string✨
• function::returnval(3stap)Possible return value of probed function✨
• function::reverse_path_walk(3stap)get the full dirent path✨
• function::rlimit_from_str(3stap)Symbolic string associated with resource limit code✨
• function::s32_arg(3stap)Return function argument as signed 32-bit value✨
• function::s64_arg(3stap)Return function argument as signed 64-bit value✨
• function::sa_flags_str(3stap)Returns the string representation of sa_flags✨
• function::sa_handler_str(3stap)Returns the string representation of an sa_handler✨
• function::set_int_arg(3stap)Set function argument as signed int✨
• function::set_kernel_char(3stap)Writes a char value to kernel memory✨
• function::set_kernel_int(3stap)Writes an int value to kernel memory✨
• function::set_kernel_long(3stap)Writes a long value to kernel memory✨
• function::set_kernel_pointer(3stap)Writes a pointer value to kernel memory.✨
• function::set_kernel_short(3stap)Writes a short value to kernel memory✨
• function::set_kernel_string(3stap)Writes a string to kernel memory✨
• function::set_kernel_string_n(3stap)Writes a string of given length to kernel memory✨
• function::set_long_arg(3stap)Set argument as signed long✨
• function::set_longlong_arg(3stap)Set function argument as 64-bit value✨
• function::set_pointer_arg(3stap)Set function argument as pointer value✨
• function::set_s32_arg(3stap)Set function argument as signed 32-bit value✨
• function::set_s64_arg(3stap)Set function argument as signed 64-bit value✨
• function::set_u32_arg(3stap)Set function argument as unsigned 32-bit value✨
• function::set_u64_arg(3stap)Set function argument as unsigned 64-bit value✨
• function::set_uint_arg(3stap)Set argument as unsigned int✨
• function::set_ulong_arg(3stap)Set function argument as unsigned long✨
• function::set_ulonglong_arg(3stap)Set function argument as 64-bit value✨
• function::set_user_char(3stap)Writes a char value to user memory✨
• function::set_user_int(3stap)Writes an int value to user memory✨
• function::set_user_long(3stap)Writes a long value to user memory✨
• function::set_user_pointer(3stap)Writes a pointer value to user memory.✨
• function::set_user_short(3stap)Writes a short value to user memory✨
• function::set_user_string(3stap)Writes a string to user memory✨
• function::set_user_string_arg(3stap)Writes a string to user memory.✨
• function::set_user_string_n(3stap)Writes a string of given length to user memory✨
• function::sid(3stap)Returns the session ID of the current process✨
• function::signal_str(3stap)Returns the string representation of a signal number✨
• function::sigset_mask_str(3stap)Returns the string representation of a sigset✨
• function::sock_fam_num2str(3stap)Given a protocol family number, return a string representation✨
• function::sock_fam_str2num(3stap)Given a protocol family name (string), return the corresponding protocol family number✨
• function::sock_prot_num2str(3stap)Given a protocol number, return a string representation✨
• function::sock_prot_str2num(3stap)Given a protocol name (string), return the corresponding protocol number✨
• function::sock_state_num2str(3stap)Given a socket state number, return a string representation✨
• function::sock_state_str2num(3stap)Given a socket state string, return the corresponding state number✨
• function::speculate(3stap)Store a string for possible output later✨
• function::speculation(3stap)Allocate a new id for speculative output✨
• function::sprint_backtrace(3stap)Return stack back trace as string✨
• function::sprint_loadavg(3stap)Report a pretty-printed load average✨
• function::sprint_stack(3stap)Return stack for kernel addresses from string✨
• function::sprint_syms(3stap)Return stack for kernel addresses from string✨
• function::sprint_ubacktrace(3stap)Return stack back trace for current user-space task as string.✨
• function::sprint_ustack(3stap)Return stack for the current task from string.✨
• function::sprint_usyms(3stap)Return stack for user addresses from string✨
• function::stack(3stap)Return address at given depth of kernel stack backtrace✨
• function::stack_size(3stap)Return the size of the kernel stack✨
• function::stack_unused(3stap)Returns the amount of kernel stack currently available✨
• function::stack_used(3stap)Returns the amount of kernel stack used✨
• function::start_stopwatch(3stap)Start a stopwatch✨
• function::stop_stopwatch(3stap)Stop a stopwatch✨
• function::stp_pid(3stap)The process id of the stapio process✨
• function::str_replace(3stap)str_replace Replaces all instances of a substring with another✨
• function::string_quoted(3stap)Quotes a given string✨
• function::string_to_fp(3stap)Convert the given string into floating point✨
• function::stringat(3stap)Returns the char at a given position in the string✨
• function::strlen(3stap)Returns the length of a string✨
• function::strpos(3stap)Returns location of a substring within another string✨
• function::strtol(3stap)strtol - Convert a string to a long✨
• function::substr(3stap)Returns a substring✨
• function::switch_file(3stap)switch to the next output file✨
• function::symdata(3stap)Return the kernel symbol and module offset for the address✨
• function::symfile(3stap)Return the file name of a given address.✨
• function::symfileline(3stap)Return the file name and line number of an address.✨
• function::symline(3stap)Return the line number of an address.✨
• function::symname(3stap)Return the kernel symbol associated with the given address✨
• function::system(3stap)Issue a command to the system✨
• function::target(3stap)Return the process ID of the target process✨
• function::target_set_pid(3stap)Does pid descend from target process?✨
• function::target_set_report(3stap)Print a report about the target set✨
• function::task_ancestry(3stap)The ancestry of the given task✨
• function::task_backtrace(3stap)Hex backtrace of an arbitrary task✨
• function::task_cpu(3stap)The scheduled cpu of the task✨
• function::task_current(3stap)The current task_struct of the current task✨
• function::task_cwd_path(3stap)get the path struct pointer for a task's current working directory✨
• function::task_dentry_path(3stap)get the full dentry path✨
• function::task_egid(3stap)The effective group identifier of the task✨
• function::task_euid(3stap)The effective user identifier of the task✨
• function::task_exe_file(3stap)get the file struct pointer for a task's executable file✨
• function::task_execname(3stap)The name of the task✨
• function::task_fd_lookup(3stap)get the file struct for a task's fd✨
• function::task_gid(3stap)The group identifier of the task✨
• function::task_max_file_handles(3stap)The max number of open files for the task✨
• function::task_nice(3stap)The nice value of the task✨
• function::task_ns_egid(3stap)The effective group identifier of the task✨
• function::task_ns_euid(3stap)The effective user identifier of the task✨
• function::task_ns_gid(3stap)The group identifier of the task as seen in a namespace✨
• function::task_ns_pid(3stap)The process identifier of the task✨
• function::task_ns_tid(3stap)The thread identifier of the task as seen in a namespace✨
• function::task_ns_uid(3stap)The user identifier of the task✨
• function::task_open_file_handles(3stap)The number of open files of the task✨
• function::task_parent(3stap)The task_struct of the parent task✨
• function::task_pid(3stap)The process identifier of the task✨
• function::task_prio(3stap)The priority value of the task✨
• function::task_start_time(3stap)Start time of the given task✨
• function::task_state(3stap)The state of the task✨
• function::task_stime(3stap)System time of the task✨
• function::task_tid(3stap)The thread identifier of the task✨
• function::task_time_string(3stap)Human readable string of task time usage✨
• function::task_time_string_tid(3stap)Human readable string of task time usage✨
• function::task_uid(3stap)The user identifier of the task✨
• function::task_utime(3stap)User time of the task✨
• function::tcpmib_filter_key(3stap)Default filter function for tcpmib.* probes✨
• function::tcpmib_get_state(3stap)Get a socket's state✨
• function::tcpmib_local_addr(3stap)Get the source address✨
• function::tcpmib_local_port(3stap)Get the local port✨
• function::tcpmib_remote_addr(3stap)Get the remote address✨
• function::tcpmib_remote_port(3stap)Get the remote port✨
• function::text_str(3stap)Escape any non-printable chars in a string✨
• function::text_strn(3stap)Escape any non-printable chars in a string✨
• function::thread_indent(3stap)returns an amount of space with the current task information✨
• function::thread_indent_depth(3stap)returns the nested-depth of the current task✨
• function::tid(3stap)Returns the thread ID of a target process✨
• function::tokenize(3stap)Return the next non-empty token in a string✨
• function::tz_ctime(3stap)Convert seconds since epoch into human readable date/time string, with local time zone✨
• function::tz_gmtoff(3stap)Return local time zone offset✨
• function::tz_name(3stap)Return local time zone name✨
• function::u32_arg(3stap)Return function argument as unsigned 32-bit value✨
• function::u64_arg(3stap)Return function argument as unsigned 64-bit value✨
• function::u_register(3stap)Return the unsigned value of the named CPU register✨
• function::uaddr(3stap)User space address of current running task✨
• function::ubacktrace(3stap)Hex backtrace of current user-space task stack.✨
• function::ucallers(3stap)Return first n elements of user stack backtrace✨
• function::udelay(3stap)microsecond delay✨
• function::uid(3stap)Returns the user ID of a target process✨
• function::uint_arg(3stap)Return function argument as unsigned int✨
• function::ulong_arg(3stap)Return function argument as unsigned long✨
• function::ulonglong_arg(3stap)Return function argument as 64-bit value✨
• function::umodname(3stap)Returns the (short) name of the user module.✨
• function::usecs_to_string(3stap)Human readable string for given microseconds✨
• function::user_buffer_quoted(3stap)Retrieves and quotes buffer from user space✨
• function::user_buffer_quoted_error(3stap)Retrieves and quotes buffer from user space✨
• function::user_char(3stap)Retrieves a char value stored in user space✨
• function::user_char_error(3stap)Retrieves a char value stored in user space✨
• function::user_char_warn(3stap)Retrieves a char value stored in user space✨
• function::user_int(3stap)Retrieves an int value stored in user space✨
• function::user_int16(3stap)Retrieves a 16-bit integer value stored in user space✨
• function::user_int16_error(3stap)Retrieves a 16-bit integer value stored in user space✨
• function::user_int32(3stap)Retrieves a 32-bit integer value stored in user space✨
• function::user_int32_error(3stap)Retrieves a 32-bit integer value stored in user space✨
• function::user_int64(3stap)Retrieves a 64-bit integer value stored in user space✨
• function::user_int64_error(3stap)Retrieves a 64-bit integer value stored in user space✨
• function::user_int8(3stap)Retrieves a 8-bit integer value stored in user space✨
• function::user_int8_error(3stap)Retrieves a 8-bit integer value stored in user space✨
• function::user_int_error(3stap)Retrieves an int value stored in user space✨
• function::user_int_warn(3stap)Retrieves an int value stored in user space✨
• function::user_long(3stap)Retrieves a long value stored in user space✨
• function::user_long_error(3stap)Retrieves a long value stored in user space✨
• function::user_long_warn(3stap)Retrieves a long value stored in user space✨
• function::user_mode(3stap)Determines if probe point occurs in user-mode✨
• function::user_short(3stap)Retrieves a short value stored in user space✨
• function::user_short_error(3stap)Retrieves a short value stored in user space✨
• function::user_short_warn(3stap)Retrieves a short value stored in user space✨
• function::user_string(3stap)Retrieves string from user space✨
• function::user_string_n(3stap)Retrieves string of given length from user space✨
• function::user_string_n_nofault(3stap)Retrieves string of given length from user space✨
• function::user_string_n_quoted(3stap)Retrieves and quotes string from user space✨
• function::user_string_n_warn(3stap)Retrieves string from user space✨
• function::user_string_nofault(3stap)Retrieves string from user space✨
• function::user_string_quoted(3stap)Retrieves and quotes string from user space✨
• function::user_string_quoted_utf16(3stap)Quote given user UTF-16 string.✨
• function::user_string_quoted_utf32(3stap)Quote given user UTF-32 string.✨
• function::user_string_utf16(3stap)Retrieves UTF-16 string from user memory✨
• function::user_string_utf32(3stap)Retrieves UTF-32 string from user memory✨
• function::user_string_warn(3stap)Retrieves string from user space✨
• function::user_uint16(3stap)Retrieves an unsigned 16-bit integer value stored in user space✨
• function::user_uint16_error(3stap)Retrieves an unsigned 16-bit integer value stored in user space✨
• function::user_uint32(3stap)Retrieves an unsigned 32-bit integer value stored in user space✨
• function::user_uint32_error(3stap)Retrieves an unsigned 32-bit integer value stored in user space✨
• function::user_uint64(3stap)Retrieves an unsigned 64-bit integer value stored in user space✨
• function::user_uint64_error(3stap)Retrieves an unsigned 64-bit integer value stored in user space✨
• function::user_uint8(3stap)Retrieves a unsigned 8-bit integer value stored in user space✨
• function::user_uint8_error(3stap)Retrieves a unsigned 8-bit integer value stored in user space✨