Provided by: systemtap-doc_2.9-2ubuntu2_all bug

NAME

       tapset::syscalls - systemtap syscall tapset

DESCRIPTION

       Following is an overview of available syscall probes and convenience variables they offer.
       By default, each syscall probe has name and argstr convenience variables,  which  are  not
       included  in the overview in order to keep it short. Non dwarf-based nd_syscall probes are
       supposed to have the same convenience variables.

       syscall.accept
              addr_uaddr, addrlen_uaddr, sockfd

       syscall.accept4
              addr_uaddr, addrlen_uaddr, flags, flags_str, sockfd

       syscall.access
              mode, mode_str, pathname

       syscall.acct
              filename

       syscall.add_key
              description_uaddr, payload_uaddr, plen, ringid, type_uaddr

       syscall.adjtimex
              buf_str, buf_uaddr

       syscall.alarm
              seconds

       syscall.arch_prctl
              addr, code, code_str

       syscall.bdflush
              data, data_str, func

       syscall.bind
              addrlen,    my_addr_uaddr,    sockfd,    uaddr_af,     uaddr_ip,     uaddr_ip_port,
              uaddr_ipv6_flowinfo, uaddr_ipv6_scope_id

       syscall.bpf
              attr_uaddr, cmd, cmd_str, size

       syscall.brk
              brk

       syscall.capget
              data_uaddr, header_uaddr

       syscall.capset
              data_uaddr, header_uaddr

       syscall.chdir
              path

       syscall.chmod
              mode, path

       syscall.chown
              group, owner, path

       syscall.chown16
              group, owner, path

       syscall.chroot
              path

       syscall.clock_adjtime
              clk_id, clk_id_str, tx_uaddr

       syscall.clock_getres
              clk_id, clk_id_str, res_uaddr

       syscall.clock_gettime
              clk_id, clk_id_str, tp_uaddr

       syscall.clock_nanosleep
              clk_id, clk_id_str, flags, flags_str, rem_uaddr, req_uaddr

       syscall.clock_settime
              clk_id, clk_id_str, tp_uaddr

       syscall.clone
              child_tid_uaddr, clone_flags, parent_tid_uaddr, stack_start

       syscall.close
              fd

       syscall.compat_adjtimex
              buf_str, buf_uaddr

       syscall.compat_clock_nanosleep
              clk_id, clk_id_str, flags, flags_str, rem_uaddr, req_uaddr

       syscall.compat_execve
              args, env_str, filename

       syscall.compat_execveat
              args, dirfd, dirfd_str, env_str, filename, flags, flags_str

       syscall.compat_fadvise64
              advice, fd, len, offset

       syscall.compat_fadvise64_64
              advice, fd, len, offset

       syscall.compat_fallocate
              fd, len, mode, offset

       syscall.compat_ftruncate64
              fd, length

       syscall.compat_futex
              futex_uaddr, op, uaddr2_uaddr, utime_uaddr, val3, val

       syscall.compat_futimesat
              dirfd, dirfd_str, filename, filename_uaddr, tvp_uaddr

       syscall.compat_getitimer
              value_uaddr, which

       syscall.compat_lookup_dcookie
              buffer_uaddr, cookie, len

       syscall.compat_nanosleep
              rem_uaddr, req_uaddr

       syscall.compat_ppoll

       syscall.compat_pselect6

       syscall.compat_readahead
              count, fd, offset

       syscall.compat_recvmmsg
              flags, flags_str, mmsg_uaddr, s, timeout_uaddr, vlen

       syscall.compat_rt_sigprocmask
              how, how_str, oldset_uaddr, set_uaddr

       syscall.compat_select
              exceptfds_uaddr, n, readfds_uaddr, timeout_uaddr, writefds_uaddr

       syscall.compat_setitimer
              ovalue_uaddr, value_uaddr, which

       syscall.compat_signalfd
              flags

       syscall.compat_sys_msgctl
              buf_uaddr, cmd, cmd_str, msqid

       syscall.compat_sys_msgrcv
              msgflg, msgflg_str, msgp_uaddr, msgsz, msgtyp, msqid

       syscall.compat_sys_msgsnd
              msgflg, msgflg_str, msgp_uaddr, msgsz, msqid

       syscall.compat_sys_recvmsg
              flags, flags_str, msg_uaddr, s

       syscall.compat_sys_semctl
              arg, cmd, cmdstr, semid, semnum

       syscall.compat_sys_semtimedop
              nsops, semid, sops_uaddr, timeout_uaddr

       syscall.compat_sys_sendmsg
              flags, flags_str, msg_uaddr, s

       syscall.compat_sys_shmat
              shmaddr_uaddr, shmflg, shmid

       syscall.compat_sys_shmctl
              buf_uaddr, cmd, cmd_str, shmid

       syscall.compat_sys_utimes
              filename

       syscall.compat_truncate64
              length, path, path_uaddr

       syscall.compat_utime
              actime, buf_uaddr, filename, filename_uaddr, modtime

       syscall.compat_utimensat
              dfd, dfd_str, filename, filename_uaddr, flags, flags_str, tsp_uaddr

       syscall.compat_vmsplice
              fd, flags, flags_str, iov, nr_segs

       syscall.connect
              addrlen,    serv_addr_uaddr,    sockfd,    uaddr_af,    uaddr_ip,    uaddr_ip_port,
              uaddr_ipv6_flowinfo, uaddr_ipv6_scope_id

       syscall.creat
              mode, pathname

       syscall.delete_module
              flags, flags_str, name_user

       syscall.dup
              oldfd

       syscall.dup2
              flags, newfd, oldfd

       syscall.dup3
              flags, newfd, oldfd

       syscall.epoll_create
              flags, size

       syscall.epoll_ctl
              epfd, event_uaddr, fd, op, op_str

       syscall.epoll_pwait
              epfd, events_uaddr, maxevents, sigmask_uaddr, sigsetsize, timeout

       syscall.epoll_wait
              epfd, events_uaddr, maxevents, timeout

       syscall.eventfd
              count, flags, flags_str

       syscall.execve
              args, env_str, filename

       syscall.execveat
              args, dirfd, dirfd_str, env_str, filename, flags, flags_str

       syscall.exit
              status

       syscall.exit_group
              status

       syscall.faccessat
              dirfd, dirfd_str, mode, mode_str, pathname

       syscall.fadvise64
              advice, fd, len, offset

       syscall.fadvise64_64
              advice, fd, len, offset

       syscall.fallocate
              fd, len, mode, mode_str, offset

       syscall.fanotify_init
              event_f_flags, event_f_flags_str, flags, flags_str

       syscall.fanotify_mark
              dirfd, dirfd_str, fanotify_fd, flags, flags_str, mask, mask_str, pathname

       syscall.fchdir
              fd

       syscall.fchmod
              fildes, mode

       syscall.fchmodat
              dirfd, dirfd_str, mode, pathname

       syscall.fchown
              fd, group, owner

       syscall.fchown16
              fd, group, owner

       syscall.fchownat
              dirfd, dirfd_str, flags, flags_str, group, owner, pathname

       syscall.fcntl
              arg, cmd, cmd_str, fd

       syscall.fdatasync
              fd

       syscall.fgetxattr
              filedes, name_str, size, value_uaddr

       syscall.finit_module
              fd, flags, flags_str, uargs

       syscall.flistxattr
              filedes, list_uaddr, size

       syscall.flock
              fd, operation

       syscall.fork

       syscall.fremovexattr
              filedes, name_str, name_uaddr

       syscall.fsetxattr
              filedes, flags, flags_str, name_str, name_uaddr, size, value_str, value_uaddr

       syscall.fstat
              buf_uaddr, filedes

       syscall.fstatat
              buf_uaddr, dirfd, dirfd_str, flags, flags_str, path

       syscall.fstatfs
              buf_uaddr, fd

       syscall.fstatfs64
              buf_uaddr, fd, sz

       syscall.fsync
              fd

       syscall.ftruncate
              fd, length

       syscall.futex
              futex_uaddr, op, uaddr2_uaddr, utime_uaddr, val3, val

       syscall.futimesat
              dirfd, dirfd_str, filename, filename_uaddr, tvp_uaddr

       syscall.get_mempolicy
              addr, flags, flags_str, maxnode, nmask_uaddr, policy_uaddr

       syscall.get_robust_list
              len_uaddr, list_head_uaddr, pid

       syscall.get_thread_area
              u_info_uaddr

       syscall.getcpu
              cpu_uaddr, node_uaddr, tcache_uaddr

       syscall.getcwd
              buf_uaddr, size

       syscall.getdents
              count, dirp_uaddr, fd

       syscall.getegid

       syscall.geteuid

       syscall.getgid

       syscall.getgroups
              list_uaddr, size

       syscall.gethostname
              len, name_uaddr

       syscall.getitimer
              value_uaddr, which

       syscall.getpeername
              name_uaddr, namelen_uaddr, s

       syscall.getpgid
              pid

       syscall.getpgrp

       syscall.getpid

       syscall.getppid

       syscall.getpriority
              which, who

       syscall.getrandom
              buf, count, flags, flags_str

       syscall.getresgid
              egid_uaddr, rgid_uaddr, sgid_uaddr

       syscall.getresuid
              euid_uaddr, ruid_uaddr, suid_uaddr

       syscall.getrlimit
              resource, rlim_uaddr

       syscall.getrusage
              usage_uaddr, who, who_str

       syscall.getsid
              pid

       syscall.getsockname
              name_uaddr, namelen_uaddr, s

       syscall.getsockopt
              fd, level, level_str, optlen_uaddr, optname, optname_str, optval_uaddr

       syscall.gettid

       syscall.gettimeofday
              tv_uaddr, tz_uaddr

       syscall.getuid

       syscall.getxattr
              name_str, path, size, value_uaddr

       syscall.init_module
              len, uargs, umod_uaddr

       syscall.inotify_add_watch
              fd, mask, path, path_uaddr

       syscall.inotify_init
              flags

       syscall.inotify_rm_watch
              fd, wd

       syscall.io_cancel
              ctx_id, iocb_uaddr, result_uaddr

       syscall.io_destroy
              ctx

       syscall.io_getevents
              ctx_id, events_uaddr, min_nr, nr, timeout_uaddr, timestr

       syscall.io_setup
              ctxp_uaddr, maxevents

       syscall.io_submit
              ctx_id, iocbpp_uaddr, nr

       syscall.ioctl
              argp, fd, request

       syscall.ioperm
              from, num, turn_on

       syscall.iopl
              level

       syscall.ioprio_get
              which, which_str, who

       syscall.ioprio_set
              ioprio, ioprio_str, which, which_str, who

       syscall.kcmp
              idx1, idx2, pid1, pid2, type, type_str

       syscall.kexec_file_load
              cmdline, cmdline_len, flags, flags_str, initrd_fd, kernel_fd

       syscall.kexec_load
              entry, flags, flags_str, nr_segments, segments_uaddr

       syscall.keyctl
              arg2, arg3, arg4, arg5, option

       syscall.kill
              pid, sig

       syscall.lchown
              group, owner, path

       syscall.lchown16
              group, owner, path

       syscall.lgetxattr
              name_str, path, size, value_uaddr

       syscall.link
              newpath, oldpath

       syscall.linkat
              flags, flags_str, newdirfd, newdirfd_str, newpath, olddirfd, olddirfd_str, oldpath

       syscall.listen
              backlog, sockfd

       syscall.listxattr
              list_uaddr, path, path_uaddr, size

       syscall.llistxattr
              list_uaddr, path, path_uaddr, size

       syscall.llseek
              fd, offset_high, offset_low, result_uaddr, whence, whence_str

       syscall.lookup_dcookie
              buffer_uaddr, cookie, len

       syscall.lremovexattr
              name_str, name_uaddr, path, path_uaddr

       syscall.lseek
              fildes, offset, whence, whence_str

       syscall.lsetxattr
              flags,  flags_str,  name_str,  name_uaddr,  path,  path_uaddr,   size,   value_str,
              value_uaddr

       syscall.lstat
              buf_uaddr, path

       syscall.madvise
              advice, advice_str, length, start

       syscall.mbind
              flags, flags_str, len, maxnode, mode, mode_str, nmask_uaddr, start

       syscall.memfd_create
              flags, flags_str, uname

       syscall.migrate_pages
              maxnode, new_nodes, old_nodes, pid

       syscall.mincore
              length, start, vec_uaddr

       syscall.mkdir
              mode, pathname, pathname_uaddr

       syscall.mkdirat
              dirfd, dirfd_str, mode, pathname

       syscall.mknod
              dev, mode, pathname

       syscall.mknodat
              dev, dirfd, dirfd_str, mode, mode_str, pathname

       syscall.mlock
              addr, len

       syscall.mlockall
              flags

       syscall.mmap2
              fd, flags, length, pgoffset, prot, start

       syscall.modify_ldt
              bytecount, func, ptr_uaddr

       syscall.mount
              data, filesystemtype, mountflags, mountflags_str, source, target

       syscall.move_pages
              flags, flags_str, nodes, nr_pages, pages, pid, status

       syscall.mprotect
              addr, len, prot, prot_str

       syscall.mq_getsetattr
              mqdes, u_mqstat_uaddr, u_omqstat_uaddr

       syscall.mq_notify
              mqdes, notification_uaddr

       syscall.mq_open
              filename, mode, name_uaddr, oflag, u_attr_uaddr

       syscall.mq_timedreceive
              abs_timeout_uaddr, mqdes, msg_len, msg_prio_uaddr, msg_ptr_uaddr

       syscall.mq_timedsend
              abs_timeout_uaddr, mqdes, msg_len, msg_prio, msg_ptr_uaddr

       syscall.mq_unlink
              u_name, u_name_uaddr

       syscall.mremap
              flags, new_address, new_size, old_address, old_size

       syscall.msgctl
              buf_uaddr, cmd, cmd_str, msqid

       syscall.msgget
              key, key_str, msgflg, msgflg_str

       syscall.msgrcv
              msgflg, msgflg_str, msgp_uaddr, msgsz, msgtyp, msqid

       syscall.msgsnd
              msgflg, msgflg_str, msgp_uaddr, msgsz, msqid

       syscall.msync
              flags, length, start

       syscall.munlock
              addr, len

       syscall.munlockall

       syscall.munmap
              length, start

       syscall.name_to_handle_at
              dfd, dfd_str, flags, flags_str, handle_uaddr, mnt_id_uaddr, pathname

       syscall.nanosleep
              rem_uaddr, req_uaddr

       syscall.ni_syscall

       syscall.nice
              inc

       syscall.open
              filename, flags, mode

       syscall.open_by_handle_at
              flags, flags_str, handle_uaddr, mount_dfd, mount_dfd_str

       syscall.openat
              dfd, dfd_str, filename, flags, mode

       syscall.pause

       syscall.perf_event_open
              attr_uaddr, cpu, flags, flags_str, group_fd, pid

       syscall.personality
              persona

       syscall.pipe
              fildes_uaddr, flag_str, flags, pipe0, pipe1

       syscall.pivot_root
              new_root_str, old_root_str

       syscall.poll
              nfds, timeout, ufds_uaddr

       syscall.ppoll

       syscall.prctl
              arg2, arg3, arg4, arg5, option

       syscall.pread
              buf_uaddr, count, fd, offset

       syscall.preadv
              count, fd, offset, vector_uaddr

       syscall.prlimit64
              new_rlim_uaddr, old_rlim_uaddr, pid, resource

       syscall.process_vm_readv
              flags, liovcnt, local_iov_uaddr, pid, remote_iov_uaddr, riovcnt

       syscall.process_vm_writev
              flags, liovcnt, local_iov_uaddr, pid, remote_iov_uaddr, riovcnt

       syscall.pselect6

       syscall.ptrace
              addr, data, pid, request

       syscall.pwrite
              buf_uaddr, count, fd, offset

       syscall.pwritev
              count, fd, offset, vector_uaddr

       syscall.quotactl
              addr_uaddr, cmd, cmd_str, id, special, special_str

       syscall.read
              buf_uaddr, count, fd

       syscall.readahead
              count, fd, offset

       syscall.readdir
              count, dirent, fd

       syscall.readlink
              buf_uaddr, bufsiz, path

       syscall.readlinkat
              buf_uaddr, bufsiz, dfd, dfd_str, path

       syscall.readv
              count, fd, vector_uaddr

       syscall.reboot
              arg_uaddr, flag, flag_str, magic2, magic2_str, magic, magic_str

       syscall.recv
              buf_uaddr, flags, flags_str, len, s

       syscall.recvfrom
              addr_uaddr, addrlen_uaddr, buf_uaddr, flags, flags_str, len, s

       syscall.recvmmsg
              flags, flags_str, mmsg_uaddr, s, timeout_uaddr, vlen

       syscall.recvmsg
              flags, flags_str, msg_uaddr, s

       syscall.remap_file_pages
              flags, pgoff, prot, size, start

       syscall.removexattr
              name_str, path

       syscall.rename
              newpath, oldpath

       syscall.renameat
              newdfd, newdfd_str, newname, newname_str, olddfd, olddfd_str, oldname, oldname_str

       syscall.renameat2
              flags,  flags_str,  newdfd,  newdfd_str,  newname, newname_str, olddfd, olddfd_str,
              oldname, oldname_str

       syscall.request_key
              callout_info_uaddr, description_uaddr, destringid, type_uaddr

       syscall.restart_syscall

       syscall.rmdir
              pathname

       syscall.rt_sigaction
              act_uaddr, oact_uaddr, sig, sigsetsize

       syscall.rt_sigaction32
              act_uaddr, oact_uaddr, sig, sigsetsize

       syscall.rt_sigpending
              set_uaddr, sigsetsize

       syscall.rt_sigprocmask
              how, how_str, oldset_uaddr, set_uaddr

       syscall.rt_sigqueueinfo
              pid, sig, uinfo_uaddr

       syscall.rt_sigreturn

       syscall.rt_sigsuspend
              set_uaddr, sigsetsize

       syscall.rt_sigtimedwait
              sigsetsize, uinfo_uaddr, uthese_uaddr, uts_uaddr

       syscall.rt_tgsigqueueinfo
              sig, tgid, tid, uinfo_uaddr

       syscall.sched_get_priority_max
              policy

       syscall.sched_get_priority_min
              policy

       syscall.sched_getaffinity
              len, mask_uaddr, pid

       syscall.sched_getattr
              flags, pid, sched_attr_str, sched_attr_uaddr, size

       syscall.sched_getparam
              p_uaddr, pid

       syscall.sched_getscheduler
              pid

       syscall.sched_rr_get_interval
              pid, tp_uaddr

       syscall.sched_setaffinity
              len, mask_uaddr, pid

       syscall.sched_setattr
              flags, pid, sched_attr_str, sched_attr_uaddr

       syscall.sched_setparam
              p_uaddr, pid

       syscall.sched_setscheduler
              p_uaddr, pid, policy, policy_str

       syscall.sched_yield

       syscall.seccomp
              flags, flags_str, op, op_str, uargs, uargs_uaddr

       syscall.select
              exceptfds_uaddr, n, readfds_uaddr, timeout_uaddr, writefds_uaddr

       syscall.semctl
              arg, cmd, cmdstr, semid, semnum

       syscall.semget
              key, key_str, nsems, semflg, semflg_str

       syscall.semop
              nsops, semid, sops_uaddr

       syscall.semtimedop
              nsops, semid, sops_uaddr, timeout_uaddr

       syscall.send
              buf_uaddr, flags, flags_str, len, s

       syscall.sendfile
              count, in_fd, offset_uaddr, out_fd

       syscall.sendmmsg
              flags, flags_str, mmsg_uaddr, s, vlen

       syscall.sendmsg
              flags, flags_str, msg_uaddr, s

       syscall.sendto
              buf_uaddr, flags, flags_str, len, s, to_uaddr, tolen

       syscall.set_mempolicy
              maxnode, mode, mode_str, nmask_uaddr

       syscall.set_robust_list
              len, list_head_uaddr

       syscall.set_thread_area
              u_info_uaddr

       syscall.set_tid_address
              tidptr_uaddr

       syscall.setdomainname
              domainname_str, domainname_uaddr, len

       syscall.setfsgid
              fsgid

       syscall.setfsuid
              fsuid

       syscall.setgid
              gid

       syscall.setgroups
              list_uaddr, size

       syscall.sethostname
              hostname_uaddr, len, name_str

       syscall.setitimer
              ovalue_uaddr, value_uaddr, which

       syscall.setns
              fd, nstype

       syscall.setpgid
              pgid, pid

       syscall.setpriority
              prio, which, which_str, who

       syscall.setregid
              egid, rgid

       syscall.setregid16
              egid, rgid

       syscall.setresgid
              egid, rgid, sgid

       syscall.setresgid16
              egid, rgid, sgid

       syscall.setresuid
              euid, ruid, suid

       syscall.setresuid16
              euid, ruid, suid

       syscall.setreuid
              euid, ruid

       syscall.setreuid16
              euid, ruid

       syscall.setrlimit
              resource, rlim_uaddr

       syscall.setsid

       syscall.setsockopt
              fd, level, level_str, optlen, optname, optname_str, optval_uaddr

       syscall.settimeofday
              tv_uaddr, tz_uaddr

       syscall.settimeofday32
              tv_uaddr, tz_uaddr

       syscall.setuid
              uid

       syscall.setxattr
              flags,  flags_str,  name_str,  name_uaddr,  path,  path_uaddr,   size,   value_str,
              value_uaddr

       syscall.sgetmask

       syscall.shmat
              shmaddr_uaddr, shmflg, shmid

       syscall.shmctl
              buf_uaddr, cmd, cmd_str, shmid

       syscall.shmdt
              shmaddr_uaddr

       syscall.shmget
              key, shmflg, shmflg_str, size

       syscall.shutdown
              how, how_str, s

       syscall.sigaction32
              act_uaddr, oact_uaddr, sig

       syscall.sigaltstack
              uoss_uaddr, uss_uaddr

       syscall.signal
              handler, sig

       syscall.signalfd
              flags

       syscall.sigpending

       syscall.sigprocmask
              how, how_str, oldset_uaddr, set_uaddr

       syscall.sigreturn

       syscall.sigsuspend
              mask

       syscall.socket
              family, protocol, type

       syscall.socketpair
              family, protocol, sv_uaddr, type

       syscall.splice
              fd_in, fd_out, flags, flags_str, len, off_in, off_out

       syscall.ssetmask
              newmask, newmask_str

       syscall.stat
              buf_uaddr, filename, filename_uaddr

       syscall.statfs
              buf_uaddr, path

       syscall.statfs64
              buf_uaddr, path, sz

       syscall.stime
              t_uaddr

       syscall.swapoff
              path

       syscall.swapon
              path, swapflags, swapflags_str

       syscall.symlink
              newpath, oldpath

       syscall.symlinkat
              newdfd, newdfd_str, newname, newname_str, oldname, oldname_str

       syscall.sync

       syscall.sync_file_range
              fd, flags, flags_str, nbytes, offset

       syscall.syncfs
              fd

       syscall.sysctl

       syscall.sysfs
              arg1, arg2, option

       syscall.sysinfo
              info_uaddr

       syscall.syslog
              bufp_uaddr, len, type

       syscall.tee
              fdin, fdout, flags, len

       syscall.tgkill
              pid, sig, tgid

       syscall.time
              t_uaddr

       syscall.timer_create
              clockid, clockid_str, evp_uaddr, timerid_uaddr

       syscall.timer_delete
              timerid

       syscall.timer_getoverrun
              timerid

       syscall.timer_gettime
              timerid, value_uaddr

       syscall.timer_settime
              flags, ovalue_uaddr, timerid, value_uaddr

       syscall.timerfd_create
              clockid, clockid_str, flags, flags_str

       syscall.timerfd_gettime
              fd, value_uaddr

       syscall.timerfd_settime
              fd, flags, flags_str, ovalue_uaddr, value_uaddr

       syscall.times
              buf_uaddr

       syscall.tkill
              pid, sig

       syscall.truncate
              length, path, path_uaddr

       syscall.umask
              mask

       syscall.umount
              flags, flags_str, target

       syscall.uname

       syscall.unlink
              pathname, pathname_uaddr

       syscall.unlinkat
              dfd, dfd_str, flag, flag_str, pathname, pathname_str

       syscall.unshare
              unshare_flags

       syscall.ustat
              dev, ubuf_uaddr

       syscall.ustat32
              dev, ubuf_uaddr

       syscall.utime
              actime, buf_uaddr, filename, filename_uaddr, modtime

       syscall.utimensat
              dfd, dfd_str, filename, filename_uaddr, flags, flags_str, tsp_uaddr

       syscall.utimes
              filename, filename_uaddr, tvp_uaddr

       syscall.vfork

       syscall.vhangup

       syscall.vmsplice
              fd, flags, flags_str, iov, nr_segs

       syscall.wait4
              options, options_str, pid, rusage_uaddr, status_uaddr

       syscall.waitid
              infop_uaddr, options, options_str, pid, rusage_uaddr, which, which_str

       syscall.waitpid
              options, options_str, pid, status_uaddr

       syscall.write
              buf_uaddr, count, fd

       syscall.writev
              count, fd, vector_uaddr

SEE ALSO

        stap(1), stapprobes(3stap)