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Name	Size	Permission
arm	[ DIR ]	drwxr-xr-x
arm64	[ DIR ]	drwxr-xr-x
i386	[ DIR ]	drwxr-xr-x
ia64	[ DIR ]	drwxr-xr-x
powerpc	[ DIR ]	drwxr-xr-x
s390	[ DIR ]	drwxr-xr-x
x86_64	[ DIR ]	drwxr-xr-x
atomic.stp	1.52 KB	-rw-r--r--
aux_syscalls.stp	139.14 KB	-rw-r--r--
context-caller.stp	3.07 KB	-rw-r--r--
context-envvar.stp	1.71 KB	-rw-r--r--
context-symbols.stp	11.98 KB	-rw-r--r--
context-unwind.stp	2.81 KB	-rw-r--r--
context.stp	17.76 KB	-rw-r--r--
context.stpm	125 B	-rw-r--r--
conversions-guru.stp	5.56 KB	-rw-r--r--
conversions.stp	10.92 KB	-rw-r--r--
ctime.stp	5.32 KB	-rw-r--r--
dentry.stp	9.79 KB	-rw-r--r--
dev.stp	1.79 KB	-rw-r--r--
endian.stp	602 B	-rw-r--r--
guru-delay.stp	1.2 KB	-rw-r--r--
guru-signal.stp	1.07 KB	-rw-r--r--
inet.stp	1.42 KB	-rw-r--r--
inet_sock.stp	1.31 KB	-rw-r--r--
ioblock.stp	12.55 KB	-rw-r--r--
ioscheduler.stp	11.74 KB	-rw-r--r--
ip.stp	5.23 KB	-rw-r--r--
ipmib-filter-default.stp	965 B	-rw-r--r--
ipmib.stp	12.55 KB	-rw-r--r--
irq.stp	5 KB	-rw-r--r--
json.stp	8.92 KB	-rw-r--r--
json.stpm	6.11 KB	-rw-r--r--
kprocess.stp	4.38 KB	-rw-r--r--
kretprobe.stp	2.1 KB	-rw-r--r--
linuxmib-filter-default.stp	876 B	-rw-r--r--
linuxmib.stp	3.38 KB	-rw-r--r--
loadavg.stp	1.87 KB	-rw-r--r--
logging.stp	2.08 KB	-rw-r--r--
memory.stp	17.77 KB	-rw-r--r--
nd_syscalls.stp	138.14 KB	-rw-r--r--
nd_syscalls2.stp	161.75 KB	-rw-r--r--
netfilter.stp	31.56 KB	-rw-r--r--
networking.stp	7.17 KB	-rw-r--r--
nfs.stp	37.86 KB	-rw-r--r--
nfs_proc.stp	55.3 KB	-rw-r--r--
nfs_proc.stpm	1.18 KB	-rw-r--r--
nfsd.stp	39.97 KB	-rw-r--r--
nfsderrno.stp	11.7 KB	-rw-r--r--
panic.stp	1.07 KB	-rw-r--r--
perf.stp	4.5 KB	-rw-r--r--
proc_mem.stp	11.49 KB	-rw-r--r--
pstrace.stp	773 B	-rw-r--r--
rcu.stp	917 B	-rw-r--r--
rlimit.stp	1.35 KB	-rw-r--r--
rpc.stp	37.94 KB	-rw-r--r--
scheduler.stp	11.33 KB	-rw-r--r--
scsi.stp	9.46 KB	-rw-r--r--
signal.stp	28.35 KB	-rw-r--r--
socket.stp	33.41 KB	-rw-r--r--
syscalls.stp	136.01 KB	-rw-r--r--
syscalls.stpm	11.28 KB	-rw-r--r--
syscalls2.stp	158.1 KB	-rw-r--r--
syscalls_cfg_trunc.stp	111 B	-rw-r--r--
target_set.stp	1.71 KB	-rw-r--r--
task.stp	19.07 KB	-rw-r--r--
task.stpm	157 B	-rw-r--r--
task_ancestry.stp	1.57 KB	-rw-r--r--
task_time.stp	7.45 KB	-rw-r--r--
tcp.stp	21.98 KB	-rw-r--r--
tcpmib-filter-default.stp	885 B	-rw-r--r--
tcpmib.stp	10.29 KB	-rw-r--r--
timestamp.stp	1.72 KB	-rw-r--r--
timestamp_gtod.stp	1.59 KB	-rw-r--r--
timestamp_monotonic.stp	5.12 KB	-rw-r--r--
tty.stp	7.15 KB	-rw-r--r--
tzinfo.stp	803 B	-rw-r--r--
ucontext-symbols.stp	8.62 KB	-rw-r--r--
ucontext-unwind.stp	3.64 KB	-rw-r--r--
ucontext.stp	2.18 KB	-rw-r--r--
udp.stp	5.73 KB	-rw-r--r--
utrace.stp	1.33 KB	-rw-r--r--
vfs.stp	26.83 KB	-rw-r--r--

Code Editor : syscalls.stp

// syscalls tapset part 1 [A-M]
// Copyright (C) 2005 IBM Corp.
// Copyright (C) 2005-2014 Red Hat Inc.
// Copyright (C) 2007 Quentin Barnes.
//
// This file is part of systemtap, and is free software.  You can
// redistribute it and/or modify it under the terms of the GNU General
// Public License (GPL); either version 2, or (at your option) any
// later version.

/* Each syscall returns the calls parameters. In addition, the following
* variables are set:
*
* name - generally the syscall name minus the "sys_".
*
* argstr - a string containing the decoded args in an easy-to-read format.
*          It doesn't need to contain everything, but should have all the
*          important args. Set in entry probes only. Values enclosed in
*          square brackets are user-space pointers. Values in curly
*          braces are decoded structs.
*
* retstr - a string containing the return value in an easy-to-read format.
*          Set in return probes only.
*/

# accept _____________________________________________________
#
# asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr,
#			     int __user *upeer_addrlen)
#
probe syscall.accept = __syscall.accept ?, __syscall.socketcall.accept ?,
	__syscall.compat_socketcall.accept ?
{
	name = "accept"
%(systemtap_v <= "2.5" %?
	# systemtap <= 2.5 combined accept and accept4
	flags = 0
	flags_str = "0x0"
	argstr = sprintf("%d, %p, %p, %s", sockfd, addr_uaddr, addrlen_uaddr,
			 flags_str)
%:
	argstr = sprintf("%d, %p, %p", sockfd, addr_uaddr, addrlen_uaddr)
%)
}
probe __syscall.accept = kernel.function("sys_accept").call
{
	@__syscall_gate(%{ __NR_accept %})
	sockfd = __int32($fd)
	addr_uaddr = $upeer_sockaddr
	addrlen_uaddr = $upeer_addrlen
}
probe __syscall.socketcall.accept = kernel.function("sys_socketcall").call ?
{
	if ($call != %{ SYS_ACCEPT %}) next;
	sockfd = __int32(user_ulong(&@cast($args, "ulong")[0]))
	addr_uaddr = user_ulong(&@cast($args, "ulong")[1])
	addrlen_uaddr = user_ulong(&@cast($args, "ulong")[2])
}
probe __syscall.compat_socketcall.accept =
	kernel.function("compat_sys_socketcall").call ?
{
	if ($call != %{ SYS_ACCEPT %}) next;
	sockfd = user_int(&@cast($args, "unsigned int")[0])
	addr_uaddr = user_uint32(&@cast($args, "unsigned int")[1])
	addrlen_uaddr = user_uint32(&@cast($args, "unsigned int")[2])
}
probe syscall.accept.return = __syscall.accept.return ?,
	__syscall.socketcall.accept.return ?
{
	name = "accept"
	retstr = return_str(1, $return)
}
probe __syscall.accept.return = kernel.function("sys_accept").return ?
{
	@__syscall_gate(%{ __NR_accept %})
}
probe __syscall.socketcall.accept.return =
	kernel.function("sys_socketcall").return ?,
	kernel.function("compat_sys_socketcall").return ?
{
	if ($call != %{ SYS_ACCEPT %}) next;
}

# accept4 ____________________________________________________
#
# SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr,
#		  int __user *, upeer_addrlen, int, flags)
#
probe syscall.accept4 = __syscall.accept4 ?, __syscall.socketcall.accept4 ?,
	__syscall.compat_socketcall.accept4 ?
{
	name = "accept4"
	flags_str = _sock_flags_str(flags)
	argstr = sprintf("%d, %p, %p, %s", sockfd, addr_uaddr, addrlen_uaddr,
			 flags_str)
}
probe __syscall.accept4 = kernel.function("sys_accept4").call
{
	// On all tested platforms, there wasn't a different syscall
	// number for the compat version of accept4().
	@__syscall_nr_gate(%{ __NR_accept4 %})
	sockfd = __int32($fd)
	addr_uaddr = $upeer_sockaddr
	addrlen_uaddr = $upeer_addrlen
	flags = __int32($flags)
}
probe __syscall.socketcall.accept4 = kernel.function("sys_socketcall").call ?
{
	if ($call != %{ SYS_ACCEPT4 %}) next;
	sockfd = __int32(user_ulong(&@cast($args, "ulong")[0]))
	addr_uaddr = user_ulong(&@cast($args, "ulong")[1])
	addrlen_uaddr = user_ulong(&@cast($args, "ulong")[2])
	flags = __int32(user_ulong(&@cast($args, "ulong")[3]))
}
probe __syscall.compat_socketcall.accept4 =
	kernel.function("compat_sys_socketcall").call ?
{
	if ($call != %{ SYS_ACCEPT4 %}) next;
	sockfd = user_int(&@cast($args, "unsigned int")[0])
	addr_uaddr = user_uint32(&@cast($args, "unsigned int")[1])
	addrlen_uaddr = user_uint32(&@cast($args, "unsigned int")[2])
	flags = user_int(&@cast($args, "unsigned int")[3])
}
probe syscall.accept4.return = __syscall.accept4.return ?,
	__syscall.socketcall.accept4.return ?
{
	name = "accept4"
	retstr = return_str(1, $return)
}
probe __syscall.accept4.return = kernel.function("sys_accept4").return ?
{
	@__syscall_nr_gate(%{ __NR_accept4 %})
}
probe __syscall.socketcall.accept4.return =
	kernel.function("sys_socketcall").return ?,
	kernel.function("compat_sys_socketcall").return ?
{
	if ($call != %{ SYS_ACCEPT4 %}) next;
}

# access _____________________________________________________
# long sys_access(const char __user * filename, int mode)
probe syscall.access = kernel.function("sys_access").call
{
	name = "access"
	pathname = user_string_quoted($filename)
	mode = __int32($mode)
	mode_str = _access_mode_str(__int32($mode))
	argstr = sprintf("%s, %s", user_string_quoted($filename), mode_str)
}
probe syscall.access.return = kernel.function("sys_access").return
{
	name = "access"
	retstr = return_str(1, $return)
}

# acct _______________________________________________________
# long sys_acct(const char __user *name)
probe syscall.acct = kernel.function("sys_acct").call ?
{
	name = "acct"
	filename = user_string_quoted($name)
	argstr = user_string_quoted($name)
}
probe syscall.acct.return = kernel.function("sys_acct").return ?
{
	name = "acct"
	retstr = return_str(1, $return)
}

# add_key ____________________________________________________
# long sys_add_key(const char __user *_type,
#             const char __user *_description,
#             const void __user *_payload,
#             size_t plen,
#             key_serial_t ringid)
#
probe syscall.add_key = kernel.function("sys_add_key").call ?
{
	name = "add_key"
	type_uaddr = $_type
# 'description_auddr' should have been 'description_uaddr'.  Deprecate
# the old name.
%(systemtap_v <= "1.4" %?
	description_auddr = $_description
%)
	description_uaddr = $_description
	payload_uaddr = $_payload
	plen = __ulong($plen)
	ringid = __int32($ringid)
	argstr = sprintf("%s, %s, %s, %u, %d",
		user_string_quoted($_type),
		user_string_quoted($_description),
		user_string_n2_quoted($_payload, $plen, syscall_string_trunc),
		__ulong($plen), __int32($ringid))
}
probe syscall.add_key.return = kernel.function("sys_add_key").return ?
{
	name = "add_key"
	retstr = return_str(1, $return)
}

# adjtimex ___________________________________________________
# long sys_adjtimex(struct timex __user *txc_p)
probe syscall.adjtimex = kernel.function("sys_adjtimex").call
{
	name = "adjtimex"
	buf_uaddr = $txc_p
	buf_str = _struct_timex_u(buf_uaddr)
	argstr = sprintf("%s", buf_str)
}
probe syscall.adjtimex.return = kernel.function("sys_adjtimex").return
{
	name = "adjtimex"
	retstr = _adjtimex_return_str($return)
}
# long compat_sys_adjtimex(struct compat_timex __user *utp)
probe syscall.compat_adjtimex = kernel.function("compat_sys_adjtimex").call ?
{
	name = "adjtimex"
	buf_uaddr = $utp
	buf_str = _struct_compat_timex_u(buf_uaddr)
	argstr = sprintf("%s", buf_str)
}
probe syscall.compat_adjtimex.return = kernel.function("compat_sys_adjtimex").return ?
{
	name = "compat_adjtimex"
	retstr = _adjtimex_return_str($return)
}

# alarm ______________________________________________________
# unsigned long sys_alarm (unsigned int seconds)
# long sys32_alarm(unsigned int seconds)
#
probe syscall.alarm = kernel.function("sys32_alarm").call ?,
                      kernel.function("sys_alarm").call ?
{
	name = "alarm"
	seconds = __uint32($seconds)
	argstr = sprint(seconds)
}
probe syscall.alarm.return = kernel.function("sys32_alarm").return ?,
                             kernel.function("sys_alarm").return ?
{
	name = "alarm"
	retstr = return_str(1, $return)
}

# bdflush ____________________________________________________
# long sys_bdflush(int func, long data)
probe syscall.bdflush = kernel.function("sys_bdflush").call ?
{
	name = "bdflush"
	func = $func
	data = $data
	if (($func >= 2) && ($func % 2 == 0))
		data_str = sprintf("%p", $data)
	else
		data_str = sprintf("%d", $data)
	argstr = sprintf("%d, %s", func, data_str)
}
probe syscall.bdflush.return = kernel.function("sys_bdflush").return ?
{
	name = "bdflush"
	retstr = return_str(1, $return)
}

# bind _______________________________________________________
# long sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen)
probe syscall.bind = __syscall.bind ?, __syscall.socketcall.bind ?,
	__syscall.compat_socketcall.bind ?
{
	name = "bind"
	@_af_inet_info_u(my_addr_uaddr, addrlen)
	argstr = sprintf("%d, %s, %d", sockfd,
			 _struct_sockaddr_u(my_addr_uaddr, addrlen), addrlen)
}
probe __syscall.bind = kernel.function("sys_bind").call ?
{
	@__syscall_gate(%{ __NR_bind %})
	sockfd = __int32($fd)
	my_addr_uaddr = $umyaddr
	addrlen = __int32($addrlen)
}
probe __syscall.socketcall.bind = kernel.function("sys_socketcall").call ?
{
	if ($call != %{ SYS_BIND %}) next;
	sockfd = __int32(user_ulong(&@cast($args, "ulong")[0]))
	my_addr_uaddr = user_ulong(&@cast($args, "ulong")[1])
	addrlen = __int32(user_ulong(&@cast($args, "ulong")[2]))
}
probe __syscall.compat_socketcall.bind =
	kernel.function("compat_sys_socketcall").call ?
{
	if ($call != %{ SYS_BIND %}) next;
	sockfd = user_int(&@cast($args, "unsigned int")[0])
	my_addr_uaddr = user_uint32(&@cast($args, "unsigned int")[1])
	addrlen = user_int(&@cast($args, "unsigned int")[2])
}
probe syscall.bind.return = __syscall.bind.return ?,
	__syscall.socketcall.bind.return ?
{
	name = "bind"
	retstr = return_str(1, $return)
}
probe __syscall.bind.return = kernel.function("sys_bind").return ?
{
	@__syscall_gate(%{ __NR_bind %})
}
probe __syscall.socketcall.bind.return =
	kernel.function("sys_socketcall").return ?,
	kernel.function("compat_sys_socketcall").return ?
{
	if ($call != %{ SYS_BIND %}) next;
}

# bpf ________________________________________________________
# SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr,
#                 unsigned int, size)
probe syscall.bpf = kernel.function("sys_bpf") ?
{
	name = "bpf"
	cmd = __int32($cmd)
	cmd_str = _bpf_cmd_str(cmd)
	attr_uaddr = $uattr
	size = __uint32($size)
	argstr = sprintf("%s, %p, %u", cmd_str, attr_uaddr, size)
}
probe syscall.bpf.return = kernel.function("sys_bpf").return ?
{
	name = "bpf"
	retstr = return_str(1, $return)
}

# brk ________________________________________________________
# unsigned long sys_brk(unsigned long brk)
probe syscall.brk = kernel.function("ia64_brk").call ?,
                    kernel.function("sys_brk").call
{
	name = "brk"
	brk = __ulong($brk)
	argstr = sprintf("%p", brk)
}
probe syscall.brk.return = kernel.function("ia64_brk").return ?,
                           kernel.function("sys_brk").return
{
	name = "brk"
	retstr = return_str(1, $return)
}

# capget _____________________________________________________
/*
 *  NOTE
 *   this  is  probably not a good function
 *   to probe. The  structures  are  always
 *   changing.  It also  seems  like  it is
 *   not really  used. Cscope  produced  no
 *   reference  of  this  function  in  the
 *   kernel  (returned no callers). Perhaps
 *   cap_get_proc / cap_set_proc are better
 *   functions to export.
 */
# long sys_capget(cap_user_header_t header, cap_user_data_t dataptr)
probe syscall.capget = kernel.function("sys_capget").call
{
	name = "capget"
	header_uaddr = $header
	data_uaddr = $dataptr
	argstr = sprintf("%p, %p", $header, $dataptr)
}
probe syscall.capget.return = kernel.function("sys_capget").return
{
	name = "capget"
	retstr = return_str(1, $return)
}
# capset _____________________________________________________
/*
 *  NOTE
 *   this  is  probably not a good function
 *   to probe. The  structures  are  always
 *   changing.  It also  seems  like  it is
 *   not really  used. Cscope  produced  no
 *   reference  of  this  function  in  the
 *   kernel  (returned no callers). Perhaps
 *   cap_get_proc / cap_set_proc are better
 *   functions to export.
 */
# long sys_capset(cap_user_header_t header, const cap_user_data_t data)
probe syscall.capset = kernel.function("sys_capset").call
{
	name = "capset"
	header_uaddr = $header
	data_uaddr = $data
	argstr = sprintf("%p, %p", $header, $data)
}
probe syscall.capset.return = kernel.function("sys_capset").return
{
	name = "capset"
	retstr = return_str(1, $return)
}

# chdir ______________________________________________________
# long sys_chdir(const char __user * filename)
probe syscall.chdir = kernel.function("sys_chdir").call
{
	name = "chdir"
	path = user_string_quoted($filename)
	argstr = user_string_quoted($filename)
}
probe syscall.chdir.return = kernel.function("sys_chdir").return
{
	name = "chdir"
	retstr = return_str(1, $return)
}

# chmod ______________________________________________________
# long sys_chmod(const char __user * filename, mode_t mode)
probe syscall.chmod = kernel.function("sys_chmod").call
{
	name = "chmod"
	path = user_string_quoted($filename)
%( arch == "i386" %?
	# Why @cast() here? Even though the user passes an unsigned
	# int (32-bits), some kernels (2.6.32-431.el6.i686) get an
	# unsigned short (16-bits).
	mode = @cast(&$mode, "unsigned int")
%:
	mode = __uint32($mode)
%)
	argstr = sprintf("%s, %#o", user_string_quoted($filename), mode)
}
probe syscall.chmod.return = kernel.function("sys_chmod").return
{
	name = "chmod"
	retstr = return_str(1, $return)
}

# chown ______________________________________________________
# long sys_chown(const char __user * filename, uid_t user, gid_t group)
probe syscall.chown = kernel.function("sys_chown").call
{
	// Avoid chown16() calling chown().
%( arch == "x86_64" %?
	@__syscall_compat_gate(%{ __NR_chown %}, %{ __NR_ia32_chown32 %})
%)
%( arch == "i386" %?
	@__syscall_gate(%{ __NR_chown32 %})
%)
	name = "chown"
	path = user_string_quoted($filename)
	owner = __int32($user)
	group = __int32($group)
	argstr = sprintf("%s, %d, %d", user_string_quoted($filename), owner, group)
}
probe syscall.chown.return = kernel.function("sys_chown").return
{
%( arch == "x86_64" %?
	@__syscall_compat_gate(%{ __NR_chown %}, %{ __NR_ia32_chown32 %})
%)
%( arch == "i386" %?
	@__syscall_gate(%{ __NR_chown32 %})
%)
	name = "chown"
	retstr = return_str(1, $return)
}
# chown16 ___________________________________________________
# long sys_chown16(const char __user * filename, old_uid_t user,
#			old_gid_t group)
#
probe syscall.chown16 = kernel.function("sys_chown16").call ?
{
	name = "chown16"
	path = user_string_quoted($filename)
	owner = __short($user)
	group = __short($group)
	argstr = sprintf("%s, %d, %d", user_string_quoted($filename), owner, group)
}
probe syscall.chown16.return = kernel.function("sys_chown16").return ?
{
	name = "chown16"
	retstr = return_str(1, $return)
}

# chroot _____________________________________________________
# long sys_chroot(const char __user * filename)
probe syscall.chroot = kernel.function("sys_chroot").call
{
	name = "chroot"
	path = user_string_quoted($filename)
	argstr = user_string_quoted($filename)
}
probe syscall.chroot.return = kernel.function("sys_chroot").return
{
	name = "chroot"
	retstr = return_str(1, $return)
}

# clock_adjtime ______________________________________________
# SYSCALL_DEFINE2(clock_adjtime, const clockid_t, which_clock,
#                 struct timex __user *, utx)
# long compat_sys_clock_adjtime(clockid_t which_clock,
#                               struct compat_timex __user *utp)
#
probe syscall.clock_adjtime = __syscall.clock_adjtime ?,
	__syscall.compat_clock_adjtime ?
{
	name = "clock_adjtime"
}
probe __syscall.clock_adjtime = kernel.function("sys_clock_adjtime").call
{
	@__syscall_gate_compat_simple
	clk_id = __int32($which_clock)
	clk_id_str = _get_wc_str(clk_id)
	tx_uaddr = @choose_defined($utx, $ktx)
	argstr = sprintf("%s, %s", clk_id_str, _struct_timex_u(tx_uaddr))
}
probe __syscall.compat_clock_adjtime =
	kernel.function("compat_sys_clock_adjtime").call ?
{
	clk_id = __int32($which_clock)
	clk_id_str = _get_wc_str(clk_id)
	tx_uaddr = $utp
	argstr = sprintf("%s, %s", clk_id_str,
			 _struct_compat_timex_u(tx_uaddr))
}
probe syscall.clock_adjtime.return = __syscall.clock_adjtime.return ?,
	kernel.function("compat_sys_clock_adjtime").return ?
{
	name = "clock_adjtime"
	retstr = return_str(1, $return)
}
probe __syscall.clock_adjtime.return =
	kernel.function("sys_clock_adjtime").return
{
	@__syscall_gate_compat_simple
}

# clock_getres _______________________________________________
# long sys_clock_getres(clockid_t which_clock, struct timespec __user *tp)
# long compat_clock_getres(clockid_t which_clock, struct compat_timespec __user *tp)
#
probe syscall.clock_getres = kernel.function("compat_clock_getres").call ?,
	kernel.function("compat_sys_clock_getres").call ?,
	__syscall.clock_getres ?
{
	name = "clock_getres"
	clk_id = __int32($which_clock)
	clk_id_str = _get_wc_str(__int32($which_clock))
	res_uaddr = $tp
	argstr = sprintf("%s, %p", _get_wc_str(__int32($which_clock)), $tp)
}
probe __syscall.clock_getres = kernel.function("sys_clock_getres").call
{
	@__syscall_gate(%{ __NR_clock_getres %})
}
probe syscall.clock_getres.return =
	kernel.function("compat_clock_getres").return ?,
	kernel.function("compat_sys_clock_getres").return ?,
	__syscall.clock_getres.return ?
{
	name = "clock_getres"
	retstr = return_str(1, $return)
}
probe __syscall.clock_getres.return =
	kernel.function("sys_clock_getres").return
{
	@__syscall_gate(%{ __NR_clock_getres %})
}

# clock_gettime ______________________________________________
# long sys_clock_gettime(clockid_t which_clock, struct timespec __user *tp)
#
probe syscall.clock_gettime = __syscall.clock_gettime,
	kernel.function("compat_sys_clock_gettime").call ?
{
	name = "clock_gettime"
	clk_id = __int32($which_clock)
	clk_id_str = _get_wc_str(__int32($which_clock))
	tp_uaddr = $tp
	argstr = sprintf("%s, %p", _get_wc_str(__int32($which_clock)), $tp)
}
probe __syscall.clock_gettime = kernel.function("sys_clock_gettime").call
{
	@__syscall_gate(%{ __NR_clock_gettime %})
}
probe syscall.clock_gettime.return = __syscall.clock_gettime.return, 
	kernel.function("compat_sys_clock_gettime").return ?
{
	name = "clock_gettime"
	retstr = return_str(1, $return)
}
probe __syscall.clock_gettime.return =
	kernel.function("sys_clock_gettime").return
{
	@__syscall_gate(%{ __NR_clock_gettime %})
}

# clock_nanosleep ____________________________________________
# long sys_clock_nanosleep(clockid_t which_clock,
#                     int flags,
#                     const struct timespec __user *rqtp,
#                     struct timespec __user *rmtp)
#
probe syscall.clock_nanosleep = kernel.function("sys_clock_nanosleep").call
{
	@__syscall_gate(%{ __NR_clock_nanosleep %})
	name = "clock_nanosleep"
	clk_id = __int32($which_clock)
	clk_id_str = _get_wc_str(__int32($which_clock))
	flags = __int32($flags)
%(systemtap_v <= "2.6" %?
	flag_str = _stp_clock_nanosleep_flags_str(__int32($flags))
%)
	flags_str = _stp_clock_nanosleep_flags_str(__int32($flags))
	req_uaddr = $rqtp
	rem_uaddr = $rmtp
	argstr = sprintf("%s, %s, %s, %p", _get_wc_str(__int32($which_clock)),
			 flags_str, _struct_timespec_u($rqtp, 1), $rmtp)
}
probe syscall.clock_nanosleep.return =
	kernel.function("sys_clock_nanosleep").return
{
	@__syscall_gate(%{ __NR_clock_nanosleep %})
	name = "clock_nanosleep"
	retstr = return_str(1, $return)
}

# compat_clock_nanosleep ________________________________________
#
# long compat_clock_nanosleep(clockid_t which_clock, int flags,
#			struct compat_timespec __user *rqtp,
#			struct compat_timespec __user *rmtp)
#
probe syscall.compat_clock_nanosleep =
	kernel.function("compat_clock_nanosleep").call ?,
	kernel.function("compat_sys_clock_nanosleep").call ?
{
	name = "clock_nanosleep"
	clk_id = __int32($which_clock)
	clk_id_str = _get_wc_str(__int32($which_clock))
	flags = __int32($flags)
%(systemtap_v <= "2.6" %?
	flag_str = _stp_clock_nanosleep_flags_str(__int32($flags))
%)
	flags_str = _stp_clock_nanosleep_flags_str(__int32($flags))
	req_uaddr = $rqtp
	rem_uaddr = $rmtp
	argstr = sprintf("%s, %s, %s, %p", _get_wc_str($which_clock),
			 flags_str, _struct_compat_timespec_u($rqtp, 1), $rmtp)
}
probe syscall.compat_clock_nanosleep.return =
	kernel.function("compat_clock_nanosleep").return ?,
	kernel.function("compat_sys_clock_nanosleep").return ?
{
	name = "clock_nanosleep"
	retstr = return_str(1, $return)
}

# clock_settime ______________________________________________
# long sys_clock_settime(clockid_t which_clock,
#                   const struct timespec __user *tp)
#
# long compat_sys_clock_settime(clockid_t which_clock,
#		struct compat_timespec __user *tp)
probe syscall.clock_settime = __syscall.clock_settime,
	__syscall.compat_clock_settime ?
{
	name = "clock_settime"
}
probe __syscall.clock_settime = kernel.function("sys_clock_settime").call
{
	@__syscall_gate(%{ __NR_clock_settime %})
	clk_id = __int32($which_clock)
	clk_id_str = _get_wc_str($which_clock)
	tp_uaddr = $tp
	argstr = sprintf("%s, %s", clk_id_str, _struct_timespec_u($tp, 1))
}
probe __syscall.compat_clock_settime =
	kernel.function("compat_sys_clock_settime").call ?
{
	clk_id = __int32($which_clock)
	clk_id_str = _get_wc_str(__int32($which_clock))
	tp_uaddr = $tp
	argstr = sprintf("%s, %s", clk_id_str,
			 _struct_compat_timespec_u($tp, 1))
}
probe syscall.clock_settime.return = __syscall.clock_settime.return,
	__syscall.compat_clock_settime.return ?
{
	name = "clock_settime"
}
probe __syscall.clock_settime.return =
	kernel.function("sys_clock_settime").return
{
	@__syscall_gate(%{ __NR_clock_settime %})
	retstr = return_str(1, $return)
}
probe __syscall.compat_clock_settime.return =
	kernel.function("compat_sys_clock_settime").return ?
{
	retstr = return_str(1, $return)
}

# clone ______________________________________________________
#
# The sys_clone() call was in arch-specific code (sometimes assembly
# code), especially in older kernels. Its args varied dramatically,
# from full args to getting nothing but registers. To get around this,
# we'll just probe do_fork(). The fork()/vfork()/clone() syscalls are
# just wrappers around do_fork().  We'll reject all probe hits that
# aren't really clone syscalls (such as calls to sys_fork(),
# sys_vfork(), and the kernel's internal use of do_fork()). Kernel
# commit 3033f14ab78c32 renamed 'do_fork' to '_do_fork'.
#
# For ia64, this is complicated by the fact that it has a clone2
# syscall.
#
probe syscall.clone = kernel.function("_do_fork").call !,
	kernel.function("do_fork").call
{
%( arch != "ia64" %?
	@__syscall_compat_gate(%{ __NR_clone %}, %{ __NR_compat_clone %})
	name = "clone"
%:
	@__syscall_gate2(%{ __NR_clone %}, %{ __NR_clone2 %})
	// This is a bit gross. We're depending on @__syscall_gate2()
	// to set '__nr' for us. If its implementation changes, this will
	// need to change.
	if (__nr == %{ /* pure */ __NR_clone %})
		name = "clone"
	else {
		name = "clone2"
		stack_size = $stack_size
	}	
%)
	clone_flags = $clone_flags
	stack_start = $stack_start
	parent_tid_uaddr = $parent_tidptr
	child_tid_uaddr = $child_tidptr

%( arch != "ia64" %?
	argstr = sprintf("%s, %p, %p, %p", __fork_flags($clone_flags),
			 $stack_start, $parent_tidptr, $child_tidptr)
%:
	if (__nr == %{ /* pure */ __NR_clone %})
		argstr = sprintf("%s, %p, %p, %p", __fork_flags($clone_flags),
				 $stack_start, $parent_tidptr, $child_tidptr)
	else			 
		argstr = sprintf("%s, %p, %p, %p, %p",
				 __fork_flags($clone_flags), $stack_start,
				 $stack_size, $parent_tidptr, $child_tidptr)
%)
}
probe syscall.clone.return = kernel.function("_do_fork").return !,
	kernel.function("do_fork").return
{
%( arch != "ia64" %?
	@__syscall_compat_gate(%{ __NR_clone %}, %{ __NR_compat_clone %})
	name = "clone"
%:
	@__syscall_gate2(%{ __NR_clone %}, %{ __NR_clone2 %})
	// This is a bit gross. We're depending on @__syscall_gate2()
	// to set '__nr' for us. If its implementation changes, this will
	// need to change.
	if (__nr == %{ /* pure */ __NR_clone %})
		name = "clone"
	else
		name = "clone2"
%)
	retstr = return_str(1, $return)
}

# close ______________________________________________________
# long sys_close(unsigned int fd)
probe syscall.close = kernel.function("sys_close").call
{
	@__syscall_compat_gate(%{ __NR_close %}, %{ __NR_compat_close %})
	name = "close"
	fd = __int32($fd)
	argstr = sprint(fd)
}
probe syscall.close.return = kernel.function("sys_close").return
{
	@__syscall_compat_gate(%{ __NR_close %}, %{ __NR_compat_close %})
	name = "close"
	retstr = return_str(1, $return)
}

# connect ____________________________________________________
# long sys_connect(int fd, struct sockaddr __user *uservaddr, int addrlen)
probe syscall.connect = __syscall.connect ?, __syscall.socketcall.connect ?,
	__syscall.compat_socketcall.connect ?
{
	name = "connect"
	@_af_inet_info_u(serv_addr_uaddr, addrlen)
	argstr = sprintf("%d, %s, %u", sockfd,
			 _struct_sockaddr_u(serv_addr_uaddr, addrlen), addrlen)
}
probe __syscall.connect = kernel.function("sys_connect").call ?
{
	@__syscall_gate(%{ __NR_connect %})
	sockfd = __int32($fd)
	serv_addr_uaddr = $uservaddr
	addrlen = __uint32($addrlen)
}
probe __syscall.socketcall.connect = kernel.function("sys_socketcall").call ?
{
	if ($call != %{ SYS_CONNECT %}) next;
	sockfd = __int32(user_ulong(&@cast($args, "ulong")[0]))
	serv_addr_uaddr = user_ulong(&@cast($args, "ulong")[1])
	addrlen = __uint32(user_ulong(&@cast($args, "ulong")[2]))
}
probe __syscall.compat_socketcall.connect =
	kernel.function("compat_sys_socketcall").call ?
{
	if ($call != %{ SYS_CONNECT %}) next;
	sockfd = user_int(&@cast($args, "unsigned int")[0])
	serv_addr_uaddr = user_uint32(&@cast($args, "unsigned int")[1])
	addrlen = user_uint32(&@cast($args, "unsigned int")[2])
}
probe syscall.connect.return = __syscall.connect.return ?,
	__syscall.socketcall.connect.return ?
{
	name = "connect"
	retstr = return_str(1, $return)
}
probe __syscall.connect.return = kernel.function("sys_connect").return ?
{
	@__syscall_gate(%{ __NR_connect %})
}
probe __syscall.socketcall.connect.return =
	kernel.function("sys_socketcall").return ?,
	kernel.function("compat_sys_socketcall").return ?
{
	if ($call != %{ SYS_CONNECT %}) next;
}

# creat
# long sys_creat(const char __user * pathname, int mode)
probe syscall.creat = kernel.function("sys_creat").call ?
{
	name = "creat"
	mode = __uint32($mode)
	pathname = user_string_quoted($pathname)
	argstr = sprintf("%s, %#o", user_string_quoted($pathname),
			 __uint32($mode))
}
probe syscall.creat.return = kernel.function("sys_creat").return ?
{
	name = "creat"
	retstr = return_str(1, $return)
}

# delete_module ______________________________________________
# long sys_delete_module(const char __user *name_user, unsigned int flags)
probe syscall.delete_module = kernel.function("sys_delete_module").call ?
{
	name = "delete_module"
	name_user = user_string_quoted($name_user)
	flags = __uint32($flags)
	flags_str = _module_flags_str(__uint32($flags))
	argstr = sprintf("%s, %s", user_string_quoted($name_user),
			 _module_flags_str(__uint32($flags)))
}
probe syscall.delete_module.return =
	kernel.function("sys_delete_module").return ?
{
	name = "delete_module"
	retstr = return_str(1, $return)
}

# dup ________________________________________________________
# long sys_dup(unsigned int fildes)
probe syscall.dup = kernel.function("sys_dup").call
{
	name = "dup"
	oldfd = __int32($fildes)
	argstr = sprint(__int32($fildes))
}
probe syscall.dup.return = kernel.function("sys_dup").return
{
	name = "dup"
	retstr = return_str(1, $return)
}

# dup2 _______________________________________________________
# long sys_dup2(unsigned int oldfd, unsigned int newfd)
probe syscall.dup2 = kernel.function("sys_dup2").call
{
	name = "dup2"
	oldfd = __int32($oldfd)
	newfd = __int32($newfd)
	# The dup2 syscall doesn't have a 'flags' argument. But, the
	# syscall.dup2 and syscall.dup3 probes used to be combined, so
	# both probes need a 'flags' variable.
	flags = 0
	argstr = sprintf("%d, %d", __int32($oldfd), __int32($newfd))
}
probe syscall.dup2.return = kernel.function("sys_dup2").return
{
	name = "dup2"
	retstr = return_str(1, $return)
}

# dup3 _______________________________________________________
# SYSCALL_DEFINE3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags)
probe syscall.dup3 = kernel.function("sys_dup3").call ?
{
	@__syscall_compat_gate(%{ __NR_dup3 %}, %{ __NR_compat_dup3 %})
	name = "dup3";
	oldfd = __int32($oldfd)
	newfd = __int32($newfd)
	flags = __int32($flags)
	argstr = sprintf("%d, %d, %s", __int32($oldfd), __int32($newfd),
			 _dup3_flag_str(flags));
}
probe syscall.dup3.return = kernel.function("sys_dup3").return ?
{
	@__syscall_compat_gate(%{ __NR_dup3 %}, %{ __NR_compat_dup3 %})
	name = "dup3"
	retstr = return_str(1, $return)
}

# epoll_create _______________________________________________
# long sys_epoll_create(int size)
# SYSCALL_DEFINE1(epoll_create1, int, flags)
probe syscall.epoll_create = kernel.function("sys_epoll_create1").call !,
                             kernel.function("sys_epoll_create").call ?
{
	size = @choose_defined($size, 0);
	flags = __int32(@choose_defined($flags, 0));
	if (flags == 0) {
		name = "epoll_create";
		argstr = sprint(size);
	} else {
		name = "epoll_create1";
		argstr = _epoll_create1_flag_str(flags);
	}
}
probe syscall.epoll_create.return = kernel.function("sys_epoll_create1").return !,
                                    kernel.function("sys_epoll_create").return ?
{
	flags = __int32(@choose_defined($flags, 0));
	name = (flags == 0) ? "epoll_create" : "epoll_create1";
	retstr = return_str(1, $return)
}

# epoll_ctl __________________________________________________
#
# long sys_epoll_ctl(int epfd, int op, int fd, struct epoll_event __user *event)
# long compat_sys_epoll_ctl(int epfd, int op, int fd,
#			struct compat_epoll_event __user *event)
#
probe syscall.epoll_ctl = kernel.function("compat_sys_epoll_ctl").call ?,
                          kernel.function("sys_epoll_ctl").call ?
{
	name = "epoll_ctl"
	epfd = __int32($epfd)
	op = $op
	op_str = _opoll_op_str($op)
	fd = __int32($fd)
	event_uaddr = $event
	argstr = sprintf("%d, %s, %d, %p", epfd, _opoll_op_str($op), fd, $event)
}
probe syscall.epoll_ctl.return = kernel.function("compat_sys_epoll_ctl").return ?,
                                 kernel.function("sys_epoll_ctl").return ?
{
	name = "epoll_ctl"
	retstr = return_str(1, $return)
}

# epoll_pwait _________________________________________________
#
# long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
#		int maxevents, int timeout, const sigset_t __user *sigmask,
#		size_t sigsetsize)
# long compat_sys_epoll_pwait(int epfd,
#			struct compat_epoll_event __user *events,
#			int maxevents, int timeout,
#			const compat_sigset_t __user *sigmask,
#			compat_size_t sigsetsize)
#
probe syscall.epoll_pwait = kernel.function("compat_sys_epoll_pwait").call ?,
                            kernel.function("sys_epoll_pwait").call ?
{
	name = "epoll_pwait"
	epfd = __int32($epfd)
	events_uaddr = @__pointer($events)
	maxevents = __int32($maxevents)
	timeout = __int32($timeout)
	sigmask_uaddr = @__pointer($sigmask)
	sigsetsize = $sigsetsize
	argstr = sprintf("%d, %p, %d, %d, %p, %d",
			 __int32($epfd), events_uaddr, __int32($maxevents),
			 __int32($timeout), sigmask_uaddr, $sigsetsize)
}
probe syscall.epoll_pwait.return = kernel.function("compat_sys_epoll_pwait").return ?,
                                   kernel.function("sys_epoll_pwait").return ?
{
	name = "epoll_pwait"
	retstr = return_str(1, $return)
}

# epoll_wait _________________________________________________
#
# long sys_epoll_wait(int epfd, struct epoll_event __user *events,
#               int maxevents, int timeout)
# long compat_sys_epoll_wait(int epfd,
#		struct compat_epoll_event __user *events,
#		int maxevents, int timeout)
#
probe syscall.epoll_wait = kernel.function("compat_sys_epoll_wait").call ?,
                           kernel.function("sys_epoll_wait").call ?
{
	@__syscall_compat_gate(%{ __NR_epoll_wait %},
			       %{ __NR_compat_epoll_wait %})
	name = "epoll_wait"
	epfd = __int32($epfd)
	events_uaddr = $events
	maxevents = __int32($maxevents)
	timeout = __int32($timeout)
	argstr = sprintf("%d, %p, %d, %d", epfd, $events, maxevents, timeout)
}
probe syscall.epoll_wait.return = kernel.function("compat_sys_epoll_wait").return ?,
                                  kernel.function("sys_epoll_wait").return ?
{
	@__syscall_compat_gate(%{ __NR_epoll_wait %},
			       %{ __NR_compat_epoll_wait %})
	name = "epoll_wait"
	retstr = return_str(1, $return)
}

# eventfd _____________________________________________________
# long sys_eventfd(unsigned int count)
# SYSCALL_DEFINE2(eventfd2, unsigned int, count, int, flags)
probe syscall.eventfd = __syscall.eventfd2 ?, __syscall.eventfd ?
{
}
probe __syscall.eventfd2 = kernel.function("sys_eventfd2").call
{
	@__syscall_compat_gate(%{ __NR_eventfd2 %}, %{ __NR_compat_eventfd2 %})
	name = "eventfd2"
	count = __uint32($count)
	flags = __int32($flags)
	flags_str = _eventfd2_flag_str(flags)
	argstr = sprintf("%u, %s", count, _eventfd2_flag_str(flags))
}
probe __syscall.eventfd = kernel.function("sys_eventfd").call
{
	name = "eventfd"
	count = __uint32($count)
	flags = 0
	flags_str = "0x0"
	argstr = sprint(count)
}
probe syscall.eventfd.return = __syscall.eventfd2.return ?,
			       __syscall.eventfd.return ?
{
	retstr = return_str(1, $return)
}
probe __syscall.eventfd2.return = kernel.function("sys_eventfd2").return
{
	@__syscall_compat_gate(%{ __NR_eventfd2 %}, %{ __NR_compat_eventfd2 %})
	name = "eventfd2"
}
probe __syscall.eventfd.return = kernel.function("sys_eventfd").return
{
	name = "eventfd"
}

# execve _____________________________________________________
# NB: kprocess.exec[_complete] is aliased to syscall.execve[.return]
%( kernel_v >= "3.7" %?
# In kernels >= 3.7, sys_execve() has been moved to generic code, so we
# can use it with confidence. For kernels < 3.7, execve support is in
# arch-specific tapset code.
#
# SYSCALL_DEFINE3(execve,
#		const char __user *, filename,
#		const char __user *const __user *, argv,
#		const char __user *const __user *, envp)
probe syscall.execve = kernel.function("sys_execve").call
{
	name = "execve"
	filename = user_string_quoted(@choose_defined($filename, $name))
	# kernel 3.0 changed the pointer's name to __argv
	__argv = @choose_defined($__argv, $argv)
	args = __get_argv(__argv, 0)
	__envp = @choose_defined($__envp, $envp)
	env_str = __count_envp(__envp)
	argstr = sprintf("%s, %s, %s", filename, args, env_str)
}
probe syscall.execve.return = kernel.function("sys_execve").return
{
	name = "execve"
	retstr = return_str(1, $return)
}

# In kernels >= 3.7, compat_sys_execve() has been moved to generic
# code, so we can use it with confidence. For kernels < 3.7,
# compat_execve support is in arch-specific tapset code.
#
# asmlinkage long compat_sys_execve(const char __user * filename,
#	const compat_uptr_t __user * argv,
#	const compat_uptr_t __user * envp)
probe syscall.compat_execve = kernel.function("compat_sys_execve").call ?
{
	name = "execve"
	filename = user_string_quoted($filename)
	# kernel 3.0 changed the pointer's name to __argv
	__argv = @choose_defined($__argv, $argv)
	args = __get_compat_argv(__argv, 0)
	__envp = @choose_defined($__envp, $envp)
	env_str = __count_compat_envp(__envp)
	argstr = sprintf("%s, %s, %s", filename, __get_compat_argv(__argv, 0),
			 __count_compat_envp(__envp))
}
probe syscall.compat_execve.return =
	kernel.function("compat_sys_execve").return ?
{
	name = "execve"
	retstr = return_str(1, $return)
}
%)

# execveat ______________________________________________
# SYSCALL_DEFINE5(execveat,
#		int, fd, const char __user *, filename,
#		const char __user *const __user *, argv,
#		const char __user *const __user *, envp,
#		int, flags)
#
probe syscall.execveat = kernel.function("sys_execveat").call ?
{
        name = "execveat"
        dirfd = __int32($fd)
        dirfd_str = _dfd_str(__int32($fd))
%(systemtap_v <= "2.8" %?
	# All other "at" syscalls (faccessat, fchmodat, fchownat,
	# etc.) name their file descriptor argument 'dirfd', so let's
	# do the same.
        fd = dirfd
        fd_str = dirfd_str
%)
        filename = user_string_quoted(@__pointer($filename))
        flags = __int32($flags)
	flags_str = _at_flag_str(__int32($flags))
        __argv = @choose_defined($__argv, $argv)
        args = __get_argv(__argv, 0)
	__envp = @choose_defined($__envp, $envp)
	env_str = __count_envp(__envp)
        argstr = sprintf("%s, %s, %s, %s, %s", dirfd_str, filename,
			 __get_argv(__argv, 0), __count_envp(__envp),
			 flags_str)
}
probe syscall.execveat.return = kernel.function("sys_execveat").return ?
{
        name = "execveat"
        retstr = return_str(1, $return)
}

probe syscall.compat_execveat = kernel.function("compat_sys_execveat").call ?
{
        name = "execveat"
        dirfd = __int32($fd)
        dirfd_str = _dfd_str(__int32($fd))
%(systemtap_v <= "2.8" %?
	# All other "at" syscalls (faccessat, fchmodat, fchownat,
	# etc.) name their file descriptor argument 'dirfd', so let's
	# do the same.
        fd = dirfd
        fd_str = dirfd_str
%)
        filename = user_string_quoted(@__pointer($filename))
        flags = int_arg($flags)
	 flags_str = _at_flag_str(__int32($flags))
        __argv = @choose_defined($__argv, $argv)
        args = __get_compat_argv(__argv, 0)
	__envp = @choose_defined($__envp, $envp)
	env_str = __count_compat_envp(__envp)
        argstr = sprintf("%s, %s, %s, %s, %s", dirfd_str, filename,
			 __get_compat_argv(__argv, 0),
			 __count_compat_envp(__envp), flags_str)
}
probe syscall.compat_execveat.return =
	kernel.function("compat_sys_execveat").return ?
{
        name = "execveat"
        retstr = return_str(1, $return)
}

# exit _______________________________________________________
# long sys_exit(int error_code)
probe syscall.exit = kernel.function("sys_exit").call
{
	name = "exit"
	status = __int32($error_code)
	argstr = sprint(__int32($error_code))
}
# sys_exit() never returns, and is blacklisted for return probes,
# so no alias here.  See bz6588.

# exit_group _________________________________________________
# void sys_exit_group(int error_code)
#
probe syscall.exit_group = kernel.function("sys_exit_group").call
{
	name = "exit_group"
	status = __int32($error_code)
	argstr = sprint(__int32($error_code))
}
# sys_exit_group() never returns, and is blacklisted for return probes,
# so no alias here.  See bz6588.

# faccessat __________________________________________________
# new function with 2.6.16
# long sys_faccessat(int dfd, const char __user *filename, int mode)
probe syscall.faccessat = kernel.function("sys_faccessat").call ?
{
	@__syscall_compat_gate(%{ __NR_faccessat %},
			       %{ __NR_compat_faccessat %})
	name = "faccessat"
	dirfd = __int32($dfd)
	dirfd_str = _dfd_str(__int32($dfd))
	pathname = user_string_quoted($filename)
	mode = __int32($mode)
	mode_str = _access_mode_str(__int32($mode))
	argstr = sprintf("%s, %s, %s", dirfd_str, user_string_quoted($filename),
			 mode_str)
}
probe syscall.faccessat.return = kernel.function("sys_faccessat").return ?
{
	@__syscall_compat_gate(%{ __NR_faccessat %},
			       %{ __NR_compat_faccessat %})
	name = "faccessat"
	retstr = return_str(1, $return)
}

# fadvise64 __________________________________________________
# long sys_fadvise64(int fd, loff_t offset, size_t len,  int advice)
#
probe syscall.fadvise64 = kernel.function("sys_fadvise64").call ?
{
	name = "fadvise64"
	@__syscall_gate_compat_simple
	fd = __int32(@choose_defined($fd, 0))
	offset = @choose_defined($offset, 0)
	len = __long(@choose_defined($len, 0))
	advice = __int32(@choose_defined($advice, 0))
	argstr = sprintf("%d, %d, %d, %s", fd, offset, len,
			 _fadvice_advice_str(advice))
}
probe syscall.fadvise64.return = kernel.function("sys_fadvise64").return ?
{
	@__syscall_gate_compat_simple
	name = "fadvise64"
	retstr = return_str(1, $return)
}

# fadvise64_64 _______________________________________________
# long sys_fadvise64_64(int fd, loff_t offset, loff_t len,  int advice)
#
probe syscall.fadvise64_64 = kernel.function("sys_fadvise64_64").call ?
{
	@__syscall_gate_compat_simple
%( arch != "s390" && arch != "ia64" && arch != "arm" && arch != "arm64" %?
	# s390x/ia64/arm/arm64 has sys_fadvise64_64() mapped to
        # __NR_fadvise64 (instead of __NR_fadvise64_64)
	@__syscall_gate(%{ __NR_fadvise64_64 %})
%)
	name = "fadvise64"
	fd = __int32(@choose_defined($fd, 0))
	offset = @choose_defined($offset, 0)
	len = @choose_defined($len, 0)
	advice = __int32(@choose_defined($advice, 0))
	argstr = sprintf("%d, %d, %d, %s", fd, offset, len,
			 _fadvice_advice_str(advice))
}
probe syscall.fadvise64_64.return =
	kernel.function("sys_fadvise64_64").return ?
{
	@__syscall_gate_compat_simple
%( arch != "s390" && arch != "ia64" && arch != "arm" && arch != "arm64" %?
	@__syscall_gate(%{ __NR_fadvise64_64 %})
%)
	name = "fadvise64"
        # sys_fadvise64_64 appears to miss dwarf on kernels such as 4.3.0-0.rc3.git4.1.fc24.x86_64
        # and symbol-table-based .return probes don't resolve $return
        if (@defined($return)) { retstr = return_str(1, $return) } else { retstr = returnstr(1) }
}

# fallocate ____________________________________________________
#
# SYSCALL_DEFINE4(fallocate, int, fd, int, mode, loff_t, offset, loff_t, len)
probe syscall.fallocate = kernel.function("sys_fallocate").call ?
{
	@__syscall_gate_compat_simple
	name = "fallocate"
	fd = __int32($fd)
	mode = __uint32($mode)
	mode_str = _stp_fallocate_mode_str(mode)
	offset = $offset
	len = $len
	argstr = sprintf("%d, %s, %#x, %u", fd, _stp_fallocate_mode_str(mode),
			 offset, len)
}
probe syscall.fallocate.return = kernel.function("sys_fallocate").return ?
{
	@__syscall_gate_compat_simple
	name = "fallocate"
	retstr = return_str(1, $return)
}

# fanotify_init ______________________________________________
# fanotify_init() was enabled in kernel version 2.6.37.
# SYSCALL_DEFINE2(fanotify_init, unsigned int, flags,
#		  unsigned int, event_f_flags)
probe syscall.fanotify_init = kernel.function("sys_fanotify_init").call ?
{
	name = "fanotify_init"
	flags = __uint32($flags)
	flags_str = _fanotify_init_flags_str(flags)
	event_f_flags = __uint32($event_f_flags)
	event_f_flags_str = _sys_open_flag_str(event_f_flags)
	argstr = sprintf("%s, %s", _fanotify_init_flags_str(flags),
			 _sys_open_flag_str(event_f_flags))
}
probe syscall.fanotify_init.return =
	kernel.function("sys_fanotify_init").return ?
{
	name = "fanotify_init"
	retstr = return_str(1, $return)
}

# fanotify_mark ______________________________________________
# fanotify_mark() was enabled in kernel version 2.6.37.
#
# SYSCALL_DEFINE5(fanotify_mark, int, fanotify_fd, unsigned int, flags,
#		  __u64, mask, int, dfd,
#		  const char  __user *, pathname)
# COMPAT_SYSCALL_DEFINE6(fanotify_mark,
#				int, fanotify_fd, unsigned int, flags,
#				__u32, mask0, __u32, mask1, int, dfd,
#				const char  __user *, pathname)
probe syscall.fanotify_mark = __syscall.fanotify_mark ?,
	__syscall.compat_fanotify_mark ?
{
	name = "fanotify_mark"
	flags_str = _fanotify_mark_flags_str(flags)
	mask_str = _fanotify_mark_mask_str(mask)
	dirfd_str = _dfd_str(dirfd)
	argstr = sprintf("%d, %s, %s, %s, %s", fanotify_fd,
			 _fanotify_mark_flags_str(flags),
			 _fanotify_mark_mask_str(mask),
			 _dfd_str(dirfd), pathname)
}
probe __syscall.fanotify_mark = kernel.function("sys_fanotify_mark").call ?
{
	fanotify_fd = __int32($fanotify_fd)
	flags = __uint32($flags)
	mask = $mask
	dirfd = __int32($dfd)
	pathname = user_string_quoted(@__pointer($pathname))
}
probe __syscall.compat_fanotify_mark =
	kernel.function("compat_sys_fanotify_mark").call ?
{
	fanotify_fd = __int32($fanotify_fd)
	flags = __uint32($flags)
	if (@__BIG_ENDIAN)
		mask = ((__ulong($mask0) << 32) | __ulong($mask1))
	else
		mask = ((__ulong($mask1) << 32) | __ulong($mask0))
	dirfd = __int32($dfd)
	pathname = user_string_quoted(@__pointer($pathname))
}
probe syscall.fanotify_mark.return =
	kernel.function("sys_fanotify_mark").return ?,
	kernel.function("compat_sys_fanotify_mark").return ?
{
	name = "fanotify_mark"
	retstr = return_str(1, $return)
}

# fchdir _____________________________________________________
# long sys_fchdir(unsigned int fd)
probe syscall.fchdir = kernel.function("sys_fchdir").call
{
	name = "fchdir"
	fd = __int32($fd)
	argstr = sprint(__int32($fd))
}
probe syscall.fchdir.return = kernel.function("sys_fchdir").return
{
	name = "fchdir"
	retstr = return_str(1, $return)
}

# fchmod _____________________________________________________
# long sys_fchmod(unsigned int fd, mode_t mode)
probe syscall.fchmod = kernel.function("sys_fchmod").call
{
	name = "fchmod"
	fildes = __int32($fd)
%( arch == "i386" %?
	# Why @cast() here? Even though the user passes an unsigned
	# int (32-bits), some kernels (2.6.32-431.el6.i686) get an
	# unsigned short (16-bits).
	mode = @cast(&$mode, "unsigned int")
%:
	mode = __uint32($mode)
%)
	argstr = sprintf("%d, %#o", __int32($fd), mode)
}
probe syscall.fchmod.return = kernel.function("sys_fchmod").return
{
	name = "fchmod"
	retstr = return_str(1, $return)
}

# fchmodat ___________________________________________________
# new function with 2.6.16
# long sys_fchmodat(int dfd, const char __user *filename,
#	mode_t mode)
probe syscall.fchmodat = kernel.function("sys_fchmodat").call ?
{
	@__syscall_compat_gate(%{ __NR_fchmodat %},
			       %{ __NR_compat_fchmodat %})
	name = "fchmodat"
	dirfd = __int32($dfd)
	dirfd_str = _dfd_str(__int32($dfd))
	pathname = user_string_quoted($filename)
%( arch == "i386" %?
	# Why @cast() here? Even though the user passes an unsigned
	# int (32-bits), some kernels (2.6.32-431.el6.i686) get an
	# unsigned short (16-bits).
	mode = @cast(&$mode, "unsigned int")
%:
	mode = __uint32($mode)
%)
	argstr = sprintf("%s, %s, %#o", dirfd_str,
			 user_string_quoted($filename), mode)
}
probe syscall.fchmodat.return = kernel.function("sys_fchmodat").return ?
{
	@__syscall_compat_gate(%{ __NR_fchmodat %},
			       %{ __NR_compat_fchmodat %})
	name = "fchmodat"
	retstr = return_str(1, $return)
}

# fchown _____________________________________________________
# long sys_fchown(unsigned int fd, uid_t user, gid_t group)
probe syscall.fchown = kernel.function("sys_fchown").call
{
	// Avoid fchown16() calling fchown().
%( arch == "x86_64" %?
	@__syscall_compat_gate(%{ __NR_fchown %}, %{ __NR_ia32_fchown32 %})
%)
%( arch == "i386" %?
	@__syscall_gate(%{ __NR_fchown32 %})
%)
	name = "fchown"
	fd = __int32($fd)
	owner = __int32($user)
	group = __int32($group)
	argstr = sprintf("%d, %d, %d", fd, owner, group)
}
probe syscall.fchown.return = kernel.function("sys_fchown").return
{
%( arch == "x86_64" %?
	@__syscall_compat_gate(%{ __NR_fchown %}, %{ __NR_ia32_fchown32 %})
%)
%( arch == "i386" %?
	@__syscall_gate(%{ __NR_fchown32 %})
%)
	name = "fchown"
	retstr = return_str(1, $return)
}

# fchown16 ___________________________________________________
# long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group)
probe syscall.fchown16 = kernel.function("sys_fchown16").call ?
{
	name = "fchown16"
	fd = $fd
	owner = __short($user)
	group = __short($group)
	argstr = sprintf("%d, %d, %d", $fd, owner, group)
}
probe syscall.fchown16.return = kernel.function("sys_fchown16").return ?
{
	name = "fchown16"
	retstr = return_str(1, $return)
}

# fchownat ___________________________________________________
# new function with 2.6.16
# long sys_fchownat(int dfd, const char __user *filename,
#	uid_t user, gid_t group, int flag)
probe syscall.fchownat = kernel.function("sys_fchownat").call ?
{
	@__syscall_compat_gate(%{ __NR_fchownat %},
			       %{ __NR_compat_fchownat %})
	name = "fchownat"
	dirfd = __int32($dfd)
	dirfd_str = _dfd_str(__int32($dfd))
	pathname = user_string_quoted($filename)
	owner = __int32($user)
	group = __int32($group)
	flags = __int32($flag)
	flags_str = _at_flag_str(__int32($flag))
	argstr = sprintf("%s, %s, %d, %d, %s", dirfd_str,
			 user_string_quoted($filename), owner, group,
			 flags_str)
}
probe syscall.fchownat.return = kernel.function("sys_fchownat").return ?
{
	@__syscall_compat_gate(%{ __NR_fchownat %},
			       %{ __NR_compat_fchownat %})
	name = "fchownat"
	retstr = return_str(1, $return)
}

# fcntl ______________________________________________________
# long sys_fcntl(int fd, unsigned int cmd, unsigned long arg)
# long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg)
# long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg)
# long compat_sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg)
#
probe syscall.fcntl = kernel.function("compat_sys_fcntl").call ?,
                      kernel.function("compat_sys_fcntl64").call ?,
                      kernel.function("sys_fcntl64").call ?,
                      kernel.function("sys_fcntl").call ?
{
	name = "fcntl"
	fd = __int32($fd)
	cmd = __int32($cmd)
	cmd_str = _fcntl_cmd_str(cmd)
	arg = $arg
	argstr = sprintf("%d, %s, %p", __int32($fd), _fcntl_cmd_str(cmd), $arg)
}
probe syscall.fcntl.return = kernel.function("compat_sys_fcntl").return ?,
                             kernel.function("compat_sys_fcntl64").return ?,
                             kernel.function("sys_fcntl64").return ?,
                             kernel.function("sys_fcntl").return ?
{
	name = "fcntl"
	retstr = return_str(1, $return)
}

# fdatasync __________________________________________________
# long sys_fdatasync(unsigned int fd)
probe syscall.fdatasync = kernel.function("sys_fdatasync").call
{
	name = "fdatasync"
	fd = __int32($fd)
	argstr = sprint(fd)
}
probe syscall.fdatasync.return = kernel.function("sys_fdatasync").return
{
	name = "fdatasync"
	retstr = return_str(1, $return)
}

# fgetxattr __________________________________________________
# ssize_t sys_fgetxattr(int fd, char __user *name,
# 		void __user *value, size_t size)
probe syscall.fgetxattr = kernel.function("sys_fgetxattr").call
{
	name = "fgetxattr"
	filedes = __int32($fd)
# 'name2' should have been 'name_str'.  Deprecate the old name.
%(systemtap_v <= "1.4" %?
	name2 = user_string_quoted($name)
%)
	name_str = user_string_quoted($name)
	value_uaddr = $value
	size = __ulong($size)
	argstr = sprintf("%d, %s, %p, %u", filedes, user_string_quoted($name),
			 value_uaddr, size)
}
probe syscall.fgetxattr.return = kernel.function("sys_fgetxattr").return
{
	name = "fgetxattr"
	retstr = return_str(1, $return)
}

# finit_module ________________________________________________
# SYSCALL_DEFINE3(finit_module, int, fd, const char __user *, uargs,
#		  int, flags)
#
probe syscall.finit_module = kernel.function("sys_finit_module").call ?
{
	name = "finit_module"
	fd = __int32($fd)
	uargs = user_string_quoted($uargs)
	flags = __int32($flags)
	flags_str = _finit_module_flags_str(__int32($flags))
	argstr = sprintf("%d, %s, %s", __int32($fd),
			 user_string_quoted($uargs),
			 _finit_module_flags_str(__int32($flags)))
}
probe syscall.finit_module.return = kernel.function("sys_finit_module").return ?
{
	name = "finit_module"
	retstr = return_str(1, $return)
}

# flistxattr _________________________________________________
# ssize_t sys_flistxattr(int fd, char __user *list, size_t size)
probe syscall.flistxattr = kernel.function("sys_flistxattr").call
{
	name = "flistxattr"
	filedes = __int32($fd)
	list_uaddr = $list
	size = __ulong($size)
	argstr = sprintf("%d, %p, %u", filedes, list_uaddr, size)
}
probe syscall.flistxattr.return = kernel.function("sys_flistxattr").return
{
	name = "flistxattr"
	retstr = return_str(1, $return)
}

# flock ______________________________________________________
# long sys_flock(unsigned int fd, unsigned int cmd)
probe syscall.flock = kernel.function("sys_flock").call
{
	name = "flock"
	fd = __int32($fd)
	operation = $cmd
	argstr = sprintf("%d, %s", fd, _flock_cmd_str(operation))
}
probe syscall.flock.return = kernel.function("sys_flock").return
{
	name = "flock"
	retstr = return_str(1, $return)
}

# fork _______________________________________________________
#
# SYSCALL_DEFINE0(fork)
#
probe syscall.fork = kernel.function("sys_fork").call ?
{
%(systemtap_v < "2.3" %?
	regs = 0
%)
%(systemtap_v < "2.5" %?
	clone_flags = 0
	stack_start = 0
	stack_size = 0
	parent_tid_uaddr = 0
	child_tid_uaddr = 0
%)
	name = "fork"
	argstr = ""
}
probe syscall.fork.return = kernel.function("sys_fork").return ?
{
	name = "fork"
	retstr = return_str(1, $return)
}

# fremovexattr _______________________________________________
# long sys_fremovexattr(int fd, char __user *name)
probe syscall.fremovexattr = kernel.function("sys_fremovexattr").call
{
	name = "fremovexattr"
	filedes = __int32($fd)
	name_uaddr = $name
	name_str = user_string_quoted($name)
	argstr = sprintf("%d, %s", __int32($fd), user_string_quoted($name))
}
probe syscall.fremovexattr.return = kernel.function("sys_fremovexattr").return
{
	name = "fremovexattr"
	retstr = return_str(1, $return)
}

# fsetxattr __________________________________________________
/*
 * asmlinkage long
 * sys_fsetxattr(int fd,
 *               char __user *name,
 *               void __user *value,
 *               size_t size,
 *               int flags)
 */
probe syscall.fsetxattr = kernel.function("sys_fsetxattr").call
{
	name = "fsetxattr"
	filedes = __int32($fd)
# 'name2' should have been 'name_str'.  Deprecate the old name.
%(systemtap_v <= "1.4" %?
	name2 = user_string_quoted($name)
%)
	name_uaddr = $name
	name_str = user_string_quoted($name)
	value_uaddr = $value
	size = __ulong($size)
	value_str = _stp_xattr_val_str($value, size)
	flags = __int32($flags)
	flags_str = _stp_xattr_flags_str(__int32($flags))
	argstr = sprintf("%d, %s, %s, %u, %s", __int32($fd),
			 user_string_quoted($name),
			 _stp_xattr_val_str($value, size), size,
			 _stp_xattr_flags_str(__int32($flags)))
}
probe syscall.fsetxattr.return = kernel.function("sys_fsetxattr").return
{
	name = "fsetxattr"
	retstr = return_str(1, $return)
}

# fstat ______________________________________________________
# long sys_fstat(unsigned int fd, struct __old_kernel_stat __user * statbuf)
# long sys_fstat64(unsigned long fd, struct stat64 __user * statbuf)
# long sys32_fstat64(unsigned int fd, struct stat64 __user *statbuf)
# long sys_newfstat(unsigned int fd, struct stat __user * statbuf)
# long sys_oabi_fstat64(char __user * filename,
#			struct oldabi_stat64 __user * statbuf)
# long compat_sys_newfstat(unsigned int fd, struct compat_stat __user * statbuf)
#
probe syscall.fstat = kernel.function("sys_fstat").call ?,
                      kernel.function("sys_fstat64").call ?,
                      kernel.function("sys32_fstat64").call ?,
                      kernel.function("sys_newfstat").call ?,
                      kernel.function("sys_oabi_fstat64").call ?,
                      kernel.function("compat_sys_newfstat").call ?
{
	name = "fstat"
	filedes = __int32($fd)
	buf_uaddr = $statbuf
	argstr = sprintf("%d, %p", __int32($fd), $statbuf)
}
probe syscall.fstat.return = kernel.function("sys_fstat").return ?,
                             kernel.function("sys_fstat64").return ?,
                             kernel.function("sys32_fstat64").return ?,
                             kernel.function("sys_newfstat").return ?,
                             kernel.function("sys_oabi_fstat64").return ?,
                             kernel.function("compat_sys_newfstat").return ?
{
	name = "fstat"
	retstr = return_str(1, $return)
}

# fstatat ____________________________________________________
# sys32_fstatat64(unsigned int dfd, char __user *filename, struct stat64_emu31 __user* statbuf, int flag)
# long sys_newfstatat(int dfd, char __user *filename, struct stat __user *statbuf, int flag)
# long sys_fstatat64(int dfd, char __user *filename, struct stat64 __user *statbuf, int flag)
# long compat_sys_newfstatat(unsigned int dfd, char __user *filename, struct compat_stat __user *statbuf, int flag)
probe syscall.fstatat = kernel.function("sys_fstatat64").call ?,
                        kernel.function("sys_newfstatat").call ?,
                        kernel.function("compat_sys_newfstatat").call ?,
                        kernel.function("sys32_fstatat64").call ?,
                        kernel.function("sys32_fstatat").call ?
{
	name = "fstatat"
	dirfd = __int32($dfd)
	dirfd_str = _dfd_str(__int32($dfd))
	path = user_string_quoted($filename)
	buf_uaddr = $statbuf
	flags = __int32($flag)
	flags_str = _at_flag_str(__int32($flag))
	argstr = sprintf("%s, %s, %p, %s", dirfd_str,
			 user_string_quoted($filename), $statbuf, flags_str)
}
probe syscall.fstatat.return = kernel.function("sys_fstatat64").return ?,
                               kernel.function("sys_newfstatat").return ?,
                               kernel.function("compat_sys_newfstatat").return ?,
                               kernel.function("sys32_fstatat64").return ?,
			       kernel.function("sys32_fstatat").return ?
{
	name = "fstatat"
	retstr = return_str(1, $return)
}

# fstatfs ____________________________________________________
# long sys_fstatfs(unsigned int fd, struct statfs __user * buf)
# long compat_sys_fstatfs(unsigned int fd, struct compat_statfs __user *buf)
#
probe syscall.fstatfs = kernel.function("compat_sys_fstatfs").call ?,
                        kernel.function("sys_fstatfs").call
{
	name = "fstatfs"
	fd = __int32($fd)
	buf_uaddr = $buf
	argstr = sprintf("%d, %p", __int32($fd), $buf)
}
probe syscall.fstatfs.return = kernel.function("compat_sys_fstatfs").return ?,
                               kernel.function("sys_fstatfs").return
{
	name = "fstatfs"
	retstr = return_str(1, $return)
}

# fstatfs64 __________________________________________________
# long sys_fstatfs64(unsigned int fd, size_t sz, struct statfs64 __user *buf)
# long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, struct compat_statfs64 __user *buf)
#
probe syscall.fstatfs64 = kernel.function("sys_fstatfs64").call ?,
	kernel.function("compat_sys_fstatfs64").call ?
{
	name = "fstatfs64"
	fd = __int32($fd)
	sz = __ulong($sz)
	buf_uaddr = $buf
	argstr = sprintf("%d, %u, %p", __int32($fd), __ulong($sz), $buf)
}
probe syscall.fstatfs64.return = kernel.function("sys_fstatfs64").return ?,
	kernel.function("compat_sys_fstatfs64").return ?
{
	name = "fstatfs64"
	retstr = return_str(1, $return)
}

# fsync ______________________________________________________
# long sys_fsync(unsigned int fd)
probe syscall.fsync = kernel.function("sys_fsync").call
{
	name = "fsync"
	fd = __int32($fd)
	argstr = sprint(fd)
}
probe syscall.fsync.return = kernel.function("sys_fsync").return
{
	name = "fsync"
	retstr = return_str(1, $return)
}
# ftruncate __________________________________________________
# long sys_ftruncate(unsigned int fd, unsigned long length)
# COMPAT_SYSCALL_DEFINE2(ftruncate, unsigned int, fd, compat_ulong_t, length)
#
probe syscall.ftruncate = __syscall.ftruncate,
	kernel.function("compat_sys_ftruncate").call ?
{
	name = "ftruncate"
	fd = __int32($fd)
	length = @__compat_long($length)
	argstr = sprintf("%d, %d", fd, length)
}
probe __syscall.ftruncate = kernel.function("sys_ftruncate").call
{
	@__syscall_compat_gate(%{ __NR_ftruncate %}, 
			       %{ __NR_compat_ftruncate %})
}
probe syscall.ftruncate.return = __syscall.ftruncate.return,
	kernel.function("compat_sys_ftruncate").return ?
{
	name = "ftruncate"
	retstr = return_str(1, $return)
}
probe __syscall.ftruncate.return = kernel.function("sys_ftruncate").return
{
	@__syscall_compat_gate(%{ __NR_ftruncate %}, 
			       %{ __NR_compat_ftruncate %})
}

# ftruncate64 ________________________________________________
# long sys_ftruncate64(unsigned int fd, loff_t length)
probe syscall.ftruncate64 = kernel.function("sys_ftruncate64").call ?
{
	name = "ftruncate"
	fd = __int32($fd)
	length = $length
	argstr = sprintf("%d, %d", fd, length)
}
probe syscall.ftruncate64.return = kernel.function("sys_ftruncate64").return ?
{
	name = "ftruncate"
	retstr = return_str(1, $return)
}

# futex ______________________________________________________
# long sys_futex(u32 __user *uaddr,
#           int op,
#           int val,
#           struct timespec __user *utime,
#           u32 __user *uaddr2,
#           int val3)
# long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
#		struct compat_timespec __user *utime, u32 __user *uaddr2,
#		u32 val3)
#
probe syscall.futex = kernel.function("sys_futex").call ?
{
	name = "futex"
	futex_uaddr = $uaddr
	op = __int32($op)
	val = __int32($val)
	utime_uaddr = $utime
	uaddr2_uaddr = $uaddr2
	val3 = __int32($val3)
	@__futex_argstr($uaddr, __int32($op), __int32($val), __ulong($utime),
			__ulong($uaddr2), __int32($val3))
}
probe syscall.futex.return = kernel.function("sys_futex").return ?
{
	name = "futex"
	retstr = return_str(1, $return)
}
probe syscall.compat_futex = kernel.function("compat_sys_futex").call ?
{
	name = "futex"
	futex_uaddr = @__pointer($uaddr)
	op = __int32($op)
	val = __int32($val)
	utime_uaddr = $utime
	uaddr2_uaddr = $uaddr2
	val3 = __int32($val3)
	@__futex_argstr(futex_uaddr, __int32($op), __int32($val),
			__uint32($utime), __uint32($uaddr2), __int32($val3))
}
probe syscall.compat_futex.return =
	kernel.function("compat_sys_futex").return ?
{
	name = "futex"
	retstr = return_str(1, $return)
}

# futimesat _____________________________________________________
#
# long sys_futimesat(int dfd, char __user *filename, struct timeval __user *utimes)
# long compat_sys_futimesat(unsigned int dfd, char __user *filename, struct compat_timeval __user *t)
#

probe syscall.futimesat = kernel.function("sys_futimesat").call ?
{
	@__syscall_gate(%{ __NR_futimesat %})
	name = "futimesat"
	dirfd = __int32($dfd)
	dirfd_str = _dfd_str(__int32($dfd))
	filename_uaddr = $filename
	filename = user_string_quoted($filename)
	tvp_uaddr = $utimes
	argstr = sprintf("%s, %s, %s", _dfd_str(__int32($dfd)),
			 user_string_quoted($filename),
			 _struct_timeval_u($utimes, 2))
}
probe syscall.compat_futimesat = kernel.function("compat_sys_futimesat").call ?
{
	@__compat_syscall_gate(%{ __NR_compat_futimesat %})
	name = "futimesat"
	dirfd = __int32($dfd)
	dirfd_str = _dfd_str(__int32($dfd))
	filename_uaddr = $filename
	filename = user_string_quoted($filename)
	tvp_uaddr = $t
	argstr = sprintf("%s, %s, %s", _dfd_str(__int32($dfd)),
			 user_string_quoted($filename),
			 _struct_compat_timeval_u($t, 2))
}
probe syscall.futimesat.return = kernel.function("sys_futimesat").return ?
{
	@__syscall_gate(%{ __NR_futimesat %})
	name = "futimesat"
	retstr = return_str(1, $return)
}
probe syscall.compat_futimesat.return =
	kernel.function("compat_sys_futimesat").return ?
{
	@__compat_syscall_gate(%{ __NR_compat_futimesat %})
	name = "futimesat"
	retstr = return_str(1, $return)
}

# getcpu _____________________________________________________
# getcpu() was added in kernel 2.6.19 for x86_64 and i386.
# Note that the 'tcache' argument is unused since Linux 2.6.24.
#
# SYSCALL_DEFINE3(getcpu, unsigned __user *, cpup, unsigned __user *, nodep,
#		  struct getcpu_cache __user *, unused)
probe syscall.getcpu = kernel.function("sys_getcpu").call ?
{
	name = "getcpu"
	cpu_uaddr = $cpup
	node_uaddr = $nodep
	tcache_uaddr = @choose_defined($unused, $cache)
	argstr = sprintf("%p, %p, %p", cpu_uaddr, node_uaddr, tcache_uaddr)
}
probe syscall.getcpu.return = kernel.function("sys_getcpu").return ?
{
	name = "getcpu"
	retstr = return_str(1, $return)
}

# getcwd _____________________________________________________
# long sys_getcwd(char __user *buf, unsigned long size)
probe syscall.getcwd = kernel.function("sys_getcwd").call
{
	name = "getcwd"
	buf_uaddr = $buf
	size = $size
	argstr = sprintf("%p, %d", buf_uaddr, size)
}
probe syscall.getcwd.return = kernel.function("sys_getcwd").return
{
	name = "getcwd"
	retstr = return_str(1, $return)
}

# getdents ___________________________________________________
# long sys_getdents(unsigned int fd, struct linux_dirent __user * dirent, unsigned int count)
# long compat_sys_getdents(unsigned int fd, struct compat_linux_dirent __user *dirent, unsigned int count)
# long sys_getdents64(unsigned int fd, struct linux_dirent64 __user * dirent, unsigned int count)
# long compat_sys_getdents64(unsigned int fd, struct linux_dirent64 __user * dirent, unsigned int count)
#
probe syscall.getdents = kernel.function("sys_getdents").call ?,
                         kernel.function("sys_getdents64").call ?,
                         kernel.function("compat_sys_getdents").call ?,
                         kernel.function("compat_sys_getdents64").call ?
{
	name = "getdents"
	fd = __int32($fd)
	dirp_uaddr = $dirent
	count = __uint32($count)
	argstr = sprintf("%d, %p, %u", fd, $dirent, count)
}
probe syscall.getdents.return = kernel.function("sys_getdents").return ?,
                                kernel.function("sys_getdents64").return ?,
                                kernel.function("compat_sys_getdents").return ?,
                                kernel.function("compat_sys_getdents64").return ?
{
	name = "getdents"
	retstr = return_str(1, $return)
}

# getegid ____________________________________________________
# long sys_getegid(void)
# long sys_getegid16(void)
# long sys32_getegid16(void)
#
probe syscall.getegid = kernel.function("sys_getegid16").call ?,
                        kernel.function("sys32_getegid16").call ?,
                        kernel.function("sys_getegid").call
{
	name = "getegid"
	argstr = ""
}
probe syscall.getegid.return = kernel.function("sys_getegid16").return ?,
                               kernel.function("sys32_getegid16").return ?,
                               kernel.function("sys_getegid").return
{
	name = "getegid"
	retstr = return_str(1, $return)
}

# geteuid ____________________________________________________
# long sys_geteuid(void)
# long sys32_geteuid16(void)
#
probe syscall.geteuid = kernel.function("sys_geteuid16").call ?,
                        kernel.function("sys32_geteuid16").call ?,
                        kernel.function("sys_geteuid").call
{
	name = "geteuid"
	argstr = ""
}
probe syscall.geteuid.return = kernel.function("sys_geteuid16").return ?,
                               kernel.function("sys32_geteuid16").return ?,
                               kernel.function("sys_geteuid").return
{
	name = "geteuid"
	retstr = return_str(1, $return)
}

# getgid _____________________________________________________
# long sys_getgid(void)
# long sys32_getgid16(void)
#
probe syscall.getgid = kernel.function("sys_getgid16").call ?,
                       kernel.function("sys32_getgid16").call ?,
                       kernel.function("sys_getgid").call
{
	name = "getgid"
	argstr = ""
}
probe syscall.getgid.return = kernel.function("sys_getgid16").return ?,
                              kernel.function("sys32_getgid16").return ?,
                              kernel.function("sys_getgid").return
{
	name = "getgid"
	retstr = return_str(1, $return)
}

# getgroups __________________________________________________
# long sys_getgroups(int gidsetsize, gid_t __user *grouplist)
# long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist)
# long sys32_getgroups16(int gidsetsize, u16 __user *grouplist)
#
probe syscall.getgroups = kernel.function("sys_getgroups16").call ?,
                          kernel.function("sys32_getgroups16").call ?,
                          kernel.function("sys_getgroups").call ?
{
	name = "getgroups"
	size = __int32($gidsetsize)
	list_uaddr = $grouplist
	argstr = sprintf("%d, %p", __int32($gidsetsize), $grouplist)
}
probe syscall.getgroups.return = kernel.function("sys_getgroups16").return ?,
                                 kernel.function("sys32_getgroups16").return ?,
                                 kernel.function("sys_getgroups").return ?
{
	name = "getgroups"
	retstr = return_str(1, $return)
}

# gethostname ________________________________________________
# long sys_gethostname(char __user *name, int len)
probe syscall.gethostname = kernel.function("sys_gethostname").call ?
{
	name = "gethostname"
	name_uaddr = $name
	len = __int32($len)
	argstr = sprintf ("%p, %d", name_uaddr, len)
}
probe syscall.gethostname.return = kernel.function("sys_gethostname").return ?
{
	name = "gethostname"
	retstr = return_str(1, $return)
}

# getitimer __________________________________________________
# sys_getitimer(int which, struct itimerval __user *value)
#
probe syscall.getitimer = kernel.function("sys_getitimer").call
{
	name = "getitimer"
	which = __int32($which)
	value_uaddr = $value
	argstr = sprintf("%s, %p", _itimer_which_str(which), $value)
}
probe syscall.getitimer.return = kernel.function("sys_getitimer").return
{
	name = "getitimer"
	retstr = return_str(1, $return)
}
# long compat_sys_getitimer(int which, struct compat_itimerval __user *it
probe syscall.compat_getitimer = kernel.function("compat_sys_getitimer").call ?
{
	name = "getitimer"
	which = __int32($which)
	value_uaddr = @__pointer($it)
	argstr = sprintf("%s, %p", _itimer_which_str(which), value_uaddr)
}
probe syscall.compat_getitimer.return = kernel.function("compat_sys_getitimer").return ?
{
	name = "getitimer"
	retstr = return_str(1, $return)
}

# get_mempolicy ______________________________________________
# long sys_get_mempolicy(int __user *policy,
#                   unsigned long __user *nmask,
#                   unsigned long maxnode,
#                   unsigned long addr,
#                   unsigned long flags)
# long compat_sys_get_mempolicy(int __user *policy,
#		     compat_ulong_t __user *nmask,
#		     compat_ulong_t maxnode,
#		     compat_ulong_t addr, compat_ulong_t flags)
#
probe syscall.get_mempolicy = __syscall.get_mempolicy ?,
	kernel.function("compat_sys_get_mempolicy").call ?
{
	name = "get_mempolicy"
	policy_uaddr = $policy
	nmask_uaddr = $nmask
	maxnode = $maxnode
	addr = $addr
	flags = $flags
	flags_str = _mempolicy_flags_str($flags)
	argstr = sprintf("%p, %p, %u, %p, %s", $policy, $nmask, $maxnode,
			 $addr, _mempolicy_flags_str($flags))
}
probe __syscall.get_mempolicy = kernel.function("sys_get_mempolicy").call ?
{
	@__syscall_gate_compat_simple
}
probe syscall.get_mempolicy.return = __syscall.get_mempolicy.return ?,
	kernel.function("compat_sys_get_mempolicy").return ?
{
	name = "get_mempolicy"
	retstr = return_str(1, $return)
}
probe __syscall.get_mempolicy.return =
	kernel.function("sys_get_mempolicy").return ?
{
	@__syscall_gate_compat_simple
}

# getpeername ________________________________________________
# long sys_getpeername(int fd, struct sockaddr __user *usockaddr,
#		       int __user *usockaddr_len)
#
probe syscall.getpeername = __syscall.getpeername ?,
	__syscall.socketcall.getpeername ?,
	__syscall.compat_socketcall.getpeername ?
{
	name = "getpeername"
	argstr = sprintf("%d, %p, %p", s, name_uaddr, namelen_uaddr)
}
probe __syscall.getpeername = kernel.function("sys_getpeername").call ?
{
	@__syscall_gate(%{ __NR_getpeername %})
	s = __int32($fd)
	name_uaddr = $usockaddr
	namelen_uaddr = $usockaddr_len
}
probe __syscall.socketcall.getpeername = kernel.function("sys_socketcall").call ?
{
	if ($call != %{ SYS_GETPEERNAME %}) next;
	s = __int32(user_ulong(&@cast($args, "ulong")[0]))
	name_uaddr = user_ulong(&@cast($args, "ulong")[1])
	namelen_uaddr = user_ulong(&@cast($args, "ulong")[2])
}
probe __syscall.compat_socketcall.getpeername =
	kernel.function("compat_sys_socketcall").call ?
{
	if ($call != %{ SYS_GETPEERNAME %}) next;
	s = user_int(&@cast($args, "unsigned int")[0])
	name_uaddr = user_uint32(&@cast($args, "unsigned int")[1])
	namelen_uaddr = user_uint32(&@cast($args, "unsigned int")[2])
}
probe syscall.getpeername.return = __syscall.getpeername.return ?,
	__syscall.socketcall.getpeername.return ?
{
	name = "getpeername"
	retstr = return_str(1, $return)
}
probe __syscall.getpeername.return = kernel.function("sys_getpeername").return ?
{
	@__syscall_gate(%{ __NR_getpeername %})
}
probe __syscall.socketcall.getpeername.return =
	kernel.function("sys_socketcall").return ?,
	kernel.function("compat_sys_socketcall").return ?
{
	if ($call != %{ SYS_GETPEERNAME %}) next;
}

# getpgid ____________________________________________________
# long sys_getpgid(pid_t pid)
probe syscall.getpgid = kernel.function("sys_getpgid").call
{
	@__syscall_compat_gate(%{ __NR_getpgid %}, %{ __NR_compat_getpgid %})
	name = "getpgid"
	pid = __int32($pid)
	argstr = sprintf("%d", __int32($pid))
}
probe syscall.getpgid.return = kernel.function("sys_getpgid").return
{
	@__syscall_compat_gate(%{ __NR_getpgid %}, %{ __NR_compat_getpgid %})
	name = "getpgid"
	retstr = return_str(1, $return)
}

# getpgrp ____________________________________________________
# long sys_getpgrp(void)
probe syscall.getpgrp = kernel.function("sys_getpgrp").call ?
{
	name = "getpgrp"
	argstr = ""
}
probe syscall.getpgrp.return = kernel.function("sys_getpgrp").return ?
{
	name = "getpgrp"
	retstr = return_str(1, $return)
}

# getpid _____________________________________________________
# long sys_getpid(void)
probe syscall.getpid = kernel.function("sys_getpid").call
{
	name = "getpid"
	argstr = ""
}
probe syscall.getpid.return = kernel.function("sys_getpid").return
{
	name = "getpid"
	retstr = return_str(1, $return)
}

# getppid ____________________________________________________
# long sys_getppid(void)
probe syscall.getppid = kernel.function("sys_getppid").call
{
	name = "getppid"
	argstr = ""
}
probe syscall.getppid.return = kernel.function("sys_getppid").return
{
	name = "getppid"
	retstr = return_str(1, $return)
}

# getpriority ________________________________________________
# long sys_getpriority(int which, int who)
probe syscall.getpriority = kernel.function("sys_getpriority").call
{
	name = "getpriority"
	which = __int32($which)
	who = __int32($who)
	argstr = sprintf("%s, %d", _priority_which_str(which), who)
}
probe syscall.getpriority.return = kernel.function("sys_getpriority").return
{
	name = "getpriority"
	retstr = return_str(1, $return)
}

# getrandom __________________________________________________
# long sys_getrandom(char __user *buf, size_t count, unsigned int flags)
probe syscall.getrandom = kernel.function("sys_getrandom").call ?
{
	name = "getrandom"
	buf = user_string_quoted($buf)
	count = __ulong($count)
	flags = __uint32($flags)
	flags_str = _getrandom_flags_str(__uint32($flags))
	argstr = sprintf("%s, %u, %s", user_string_quoted($buf), count,
			 flags_str)
}
probe syscall.getrandom.return = kernel.function("sys_getrandom").return ?
{
	name = "getrandom"
	retstr = return_str(1, $return)
}

# getresgid __________________________________________________
# long sys_getresgid(gid_t __user *rgid,
#                    gid_t __user *egid,
#                    gid_t __user *sgid)
# long sys_getresgid16(old_uid_t __user *rgid,
#                 old_uid_t __user *egid,
#                 old_uid_t __user *sgid)
probe syscall.getresgid = kernel.function("sys_getresgid16").call ?,
                          kernel.function("sys_getresgid").call
{
	name = "getresgid"
	rgid_uaddr = @choose_defined($rgidp, $rgid)
	egid_uaddr = @choose_defined($egidp, $egid)
	sgid_uaddr = @choose_defined($sgidp, $sgid)
	argstr = sprintf("%p, %p, %p", @choose_defined($rgidp, $rgid),
			 @choose_defined($egidp, $egid),
			 @choose_defined($sgidp, $sgid))
}
probe syscall.getresgid.return = kernel.function("sys_getresgid16").return ?,
                                 kernel.function("sys_getresgid").return
{
	name = "getresgid"
	retstr = return_str(1, $return)
}

# getresuid __________________________________________________
# long sys_getresuid(uid_t __user *ruid,
#		uid_t __user *euid,
#		uid_t __user *suid)
probe syscall.getresuid = kernel.function("sys_getresuid16").call ?,
                          kernel.function("sys_getresuid").call
{
	name = "getresuid"
	ruid_uaddr = @choose_defined($ruidp, $ruid)
	euid_uaddr = @choose_defined($euidp, $euid)
	suid_uaddr = @choose_defined($suidp, $suid)
	argstr = sprintf("%p, %p, %p", @choose_defined($ruidp, $ruid),
			 @choose_defined($euidp, $euid),
			 @choose_defined($suidp, $suid))
}
probe syscall.getresuid.return = kernel.function("sys_getresuid16").return ?,
                                 kernel.function("sys_getresuid").return
{
	name = "getresuid"
	retstr = return_str(1, $return)
}

# getrlimit __________________________________________________
# long sys_getrlimit(unsigned int resource, struct rlimit __user *rlim)
# long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim)
# long compat_sys_getrlimit (unsigned int resource, struct compat_rlimit __user *rlim)
probe syscall.getrlimit = __syscall.getrlimit ?,
	kernel.function("compat_sys_getrlimit").call ?,
	kernel.function("sys_old_getrlimit").call ?
{
	name = "getrlimit"
	resource = __int32($resource)
	rlim_uaddr = $rlim
	argstr = sprintf("%s, %p", _rlimit_resource_str(resource), $rlim)
}
probe __syscall.getrlimit = kernel.function("sys_getrlimit").call
{
	@__syscall_gate_compat_simple
}
probe syscall.getrlimit.return =
	kernel.function("sys_old_getrlimit").return ?,
	kernel.function("compat_sys_getrlimit").return ?,
	__syscall.getrlimit.return ?
{
	name = "getrlimit"
	retstr = return_str(1, $return)
}
probe __syscall.getrlimit.return = kernel.function("sys_getrlimit").return
{
	@__syscall_gate_compat_simple
}

# get_robust_list ____________________________________________
# SYSCALL_DEFINE3(get_robust_list, int, pid,
#                 struct robust_list_head __user * __user *, head_ptr,
#                 size_t __user *, len_ptr)
# COMPAT_SYSCALL_DEFINE3(get_robust_list, int, pid,
#                        compat_uptr_t __user *, head_ptr,
#                        compat_size_t __user *, len_ptr)
probe syscall.get_robust_list = __syscall.get_robust_list ?,
                                kernel.function("compat_sys_get_robust_list") ?
{
	name = "get_robust_list"
	pid = __int32($pid)
	list_head_uaddr = @__pointer($head_ptr)
	len_uaddr = @__pointer($len_ptr)
	argstr = sprintf("%d, %p, %p", pid, list_head_uaddr, len_uaddr)
}
probe __syscall.get_robust_list = kernel.function("sys_get_robust_list")
{
	@__syscall_gate_compat_simple
}
probe syscall.get_robust_list.return = __syscall.get_robust_list.return ?,
		kernel.function("compat_sys_get_robust_list").return ?
{
	name = "get_robust_list"
	retstr = return_str(1, $return)
}
probe __syscall.get_robust_list.return =
		kernel.function("sys_get_robust_list").return
{
	@__syscall_gate_compat_simple
}

# getrusage __________________________________________________
# long sys_getrusage(int who, struct rusage __user *ru)
# COMPAT_SYSCALL_DEFINE2(getrusage, int, who, struct compat_rusage __user *,
#			 ru)
#
probe syscall.getrusage = __syscall.getrusage,
	kernel.function("compat_sys_getrusage").call ?
{
	name = "getrusage"
	who = __int32($who)
	who_str = _rusage_who_str(who)
	usage_uaddr = @__pointer($ru)
	argstr = sprintf("%s, %p", who_str, usage_uaddr)
}
probe __syscall.getrusage = kernel.function("sys_getrusage").call
{
	@__syscall_gate(%{ __NR_getrusage %})
}
probe syscall.getrusage.return = __syscall.getrusage.return,
	kernel.function("compat_sys_getrusage").return ?
{
	name = "getrusage"
	retstr = return_str(1, $return)
}
probe __syscall.getrusage.return = kernel.function("sys_getrusage").return
{
	@__syscall_gate(%{ __NR_getrusage %})
}

# getsid _____________________________________________________
# long sys_getsid(pid_t pid)
probe syscall.getsid = kernel.function("sys_getsid").call
{
	name = "getsid"
	pid = __int32($pid)
	argstr = sprint(pid)
}
probe syscall.getsid.return = kernel.function("sys_getsid").return
{
	name = "getsid"
	retstr = return_str(1, $return)
}

# getsockname ________________________________________________
# long sys_getsockname(int fd,
#		struct sockaddr __user *usockaddr,
#		int __user *usockaddr_len)
probe syscall.getsockname = __syscall.getsockname ?,
	__syscall.socketcall.getsockname ?,
	__syscall.compat_socketcall.getsockname ?
{
	name = "getsockname"
	argstr = sprintf("%d, %p, %p", s, name_uaddr, namelen_uaddr)
}
probe __syscall.getsockname = kernel.function("sys_getsockname").call ?
{
	@__syscall_gate(%{ __NR_getsockname %})
	s = __int32($fd)
	name_uaddr = $usockaddr
	namelen_uaddr = $usockaddr_len
}
probe __syscall.socketcall.getsockname = kernel.function("sys_socketcall").call ?
{
	if ($call != %{ SYS_GETSOCKNAME %}) next;
	s = __int32(user_ulong(&@cast($args, "ulong")[0]))
	name_uaddr = user_ulong(&@cast($args, "ulong")[1])
	namelen_uaddr = user_ulong(&@cast($args, "ulong")[2])
}
probe __syscall.compat_socketcall.getsockname =
	kernel.function("compat_sys_socketcall").call ?
{
	if ($call != %{ SYS_GETSOCKNAME %}) next;
	s = user_int(&@cast($args, "unsigned int")[0])
	name_uaddr = user_uint32(&@cast($args, "unsigned int")[1])
	namelen_uaddr = user_uint32(&@cast($args, "unsigned int")[2])
}
probe syscall.getsockname.return = __syscall.getsockname.return ?,
	__syscall.socketcall.getsockname.return ?
{
	name = "getsockname"
	retstr = return_str(1, $return)
}
probe __syscall.getsockname.return = kernel.function("sys_getsockname").return ?
{
	@__syscall_gate(%{ __NR_getsockname %})
}
probe __syscall.socketcall.getsockname.return =
	kernel.function("sys_socketcall").return ?,
	kernel.function("compat_sys_socketcall").return ?
{
	if ($call != %{ SYS_GETSOCKNAME %}) next;
}

# getsockopt _________________________________________________
# long sys_getsockopt(int fd,
#                int level,
#                int optname,
#                char __user *optval,
#                int __user *optlen)
#
probe syscall.getsockopt = __syscall.getsockopt ?,
	__syscall.socketcall.getsockopt ?,
	__syscall.compat_socketcall.getsockopt ?
{
	name = "getsockopt"
	level_str = _sockopt_level_str(level)
	optname_str = _sockopt_optname_str(optname)
	argstr = sprintf("%d, %s, %s, %p, %p", fd,  _sockopt_level_str(level),
		_sockopt_optname_str(optname), optval_uaddr, optlen_uaddr)
}
probe __syscall.getsockopt = kernel.function("sys_getsockopt").call ?
{
	@__syscall_gate(%{ __NR_getsockopt %})
	fd = __int32($fd)
	level = __int32($level)
	optname = __int32($optname)
	optval_uaddr = $optval
	optlen_uaddr = $optlen
}
probe __syscall.socketcall.getsockopt = kernel.function("sys_socketcall").call ?
{
	if ($call != %{ SYS_GETSOCKOPT %}) next;
	fd = __int32(user_ulong(&@cast($args, "ulong")[0]))
	level = __int32(user_ulong(&@cast($args, "ulong")[1]))
	optname = __int32(user_ulong(&@cast($args, "ulong")[2]))
	optval_uaddr = user_ulong(&@cast($args, "ulong")[3])
	optlen_uaddr = user_ulong(&@cast($args, "ulong")[4])
}
probe __syscall.compat_socketcall.getsockopt =
	kernel.function("compat_sys_socketcall").call ?
{
	if ($call != %{ SYS_GETSOCKOPT %}) next;
	fd = user_int(&@cast($args, "unsigned int")[0])
	level = user_int(&@cast($args, "unsigned int")[1])
	optname = user_int(&@cast($args, "unsigned int")[2])
	optval_uaddr = user_uint32(&@cast($args, "unsigned int")[3])
	optlen_uaddr = user_uint32(&@cast($args, "unsigned int")[4])
}
probe syscall.getsockopt.return = __syscall.getsockopt.return ?,
      __syscall.socketcall.getsockopt.return ?
{
	name = "getsockopt"
	retstr = return_str(1, $return)
}
probe __syscall.getsockopt.return = kernel.function("sys_getsockopt").return ?
{
	@__syscall_gate(%{ __NR_getsockopt %})
}
probe __syscall.socketcall.getsockopt.return =
	kernel.function("sys_socketcall").return ?,
	kernel.function("compat_sys_socketcall").return ?
{
	if ($call != %{ SYS_GETSOCKOPT %}) next;
}

# gettid _____________________________________________________
# long sys_gettid(void)
probe syscall.gettid = kernel.function("sys_gettid").call
{
	name = "gettid"
	argstr = ""
}
probe syscall.gettid.return = kernel.function("sys_gettid").return
{
	name = "gettid"
	retstr = return_str(1, $return)
}

# gettimeofday _______________________________________________
# long sys_gettimeofday(struct timeval  __user *tv,
#	struct timezone __user *tz)
# long sys32_gettimeofday(struct compat_timeval __user *tv,
#	struct timezone __user *tz)
# long compat_sys_gettimeofday(struct compat_timeval __user *tv,
#	struct timezone __user *tz)
probe syscall.gettimeofday = kernel.function("compat_sys_gettimeofday").call ?,
                             kernel.function("sys32_gettimeofday").call ?,
                             kernel.function("sys_gettimeofday").call
{
	name = "gettimeofday"
	tv_uaddr = $tv
	tz_uaddr = $tz
	argstr = sprintf("%p, %p", $tv, $tz)
}

probe syscall.gettimeofday.return = kernel.function("compat_sys_gettimeofday").return ?,
                                    kernel.function("sys32_gettimeofday").return ?,
                                    kernel.function("sys_gettimeofday").return
{
	name = "gettimeofday"
	retstr = return_str(1, $return)
}

# getuid _____________________________________________________
# long sys_getuid(void
# long sys_getuid16(void)
# long sys32_getuid16(void)
#
probe syscall.getuid = kernel.function("sys_getuid16").call ?,
                       kernel.function("sys32_getuid16").call ?,
                       kernel.function("sys_getuid").call
{
	name = "getuid"
	argstr = ""
}
probe syscall.getuid.return = kernel.function("sys_getuid16").return ?,
                              kernel.function("sys32_getuid16").return ?,
                              kernel.function("sys_getuid").return
{
	name = "getuid"
	retstr = return_str(1, $return)
}

# getxattr ___________________________________________________
# ssize_t sys_getxattr(char __user *path, char __user *name,
#		void __user *value, size_t size)
probe syscall.getxattr = kernel.function("sys_getxattr").call
{
	name = "getxattr"
	path = user_string_quoted(@choose_defined($pathname, $path))
# 'name2' should have been 'name_str'.  Deprecate the old name.
%(systemtap_v <= "1.4" %?
	name2 = user_string_quoted($name)
%)
	name_str = user_string_quoted($name)
	value_uaddr = $value
	size = __ulong($size)
	argstr = sprintf("%s, %s, %p, %u",
		user_string_quoted(@choose_defined($pathname, $path)),
		user_string_quoted($name),
		$value, __ulong($size))
}
probe syscall.getxattr.return = kernel.function("sys_getxattr").return
{
	name = "getxattr"
	retstr = return_str(1, $return)
}

# init_module ________________________________________________
# long sys_init_module(void __user *umod,
#		unsigned long len,
#		const char __user *uargs)
#
probe syscall.init_module = kernel.function("sys_init_module").call ?
{
	name = "init_module"
	umod_uaddr = $umod
	len = __ulong($len)
	uargs = user_string_quoted($uargs)
	argstr = sprintf("%p, %u, %s", $umod, len, user_string_quoted($uargs))
}
probe syscall.init_module.return = kernel.function("sys_init_module").return ?
{
	name = "init_module"
	retstr = return_str(1, $return)
}

# inotify_add_watch __________________________________________
#
# long sys_inotify_add_watch(int fd, const char __user *path, u32 mask)
#
probe syscall.inotify_add_watch = kernel.function("sys_inotify_add_watch").call ?
{
	name = "inotify_add_watch"
	fd = __int32($fd)
	mask = __uint32($mask)
	path_uaddr = @choose_defined($pathname, $path)
	path = user_string_quoted(@choose_defined($pathname, $path))
	argstr = sprintf("%d, %s, %s", __int32($fd),
			 user_string_quoted(@choose_defined($pathname, $path)),
			 _inotify_watch_mask_str(__uint32($mask)))
}

probe syscall.inotify_add_watch.return = kernel.function("sys_inotify_add_watch").return ?
{
	name = "inotify_add_watch"
	retstr = return_str(1, $return)
}

# inotify_init _______________________________________________
#
# long sys_inotify_init(void)
# SYSCALL_DEFINE1(inotify_init1, int, flags)
#
probe syscall.inotify_init = __syscall.inotify_init1 ?,
			     __syscall.inotify_init ?
{
}
probe __syscall.inotify_init1 = kernel.function("sys_inotify_init1").call ?
{
	@__syscall_compat_gate(%{ __NR_inotify_init1 %},
			       %{ __NR_compat_inotify_init1 %})
	name = "inotify_init1"
	flags = __int32($flags)
	argstr = _inotify_init1_flag_str(flags)
}
probe __syscall.inotify_init = kernel.function("sys_inotify_init").call ?
{
	name = "inotify_init"
	flags = 0
	argstr = ""
}
probe syscall.inotify_init.return = __syscall.inotify_init1.return ?,
				    __syscall.inotify_init.return ?
{
}
probe __syscall.inotify_init1.return =
	kernel.function("sys_inotify_init1").return ?
{
	@__syscall_compat_gate(%{ __NR_inotify_init1 %},
			       %{ __NR_compat_inotify_init1 %})
	name = "inotify_init1"
	retstr = return_str(1, $return)
}
probe __syscall.inotify_init.return =
	kernel.function("sys_inotify_init").return ?
{
	name = "inotify_init"
	retstr = return_str(1, $return)
}

# inotify_rm_watch ___________________________________________
#
# long sys_inotify_rm_watch(int fd, u32 wd)
#
probe syscall.inotify_rm_watch = kernel.function("sys_inotify_rm_watch").call ?
{
	name = "inotify_rm_watch"
	fd = __int32($fd)
	wd = __int32($wd)
	argstr = sprintf("%d, %d", __int32($fd), __int32($wd))
}
probe syscall.inotify_rm_watch.return = kernel.function("sys_inotify_rm_watch").return ?
{
	name = "inotify_rm_watch"
	retstr = return_str(1, $return)
}

# io_cancel __________________________________________________
# long sys_io_cancel(aio_context_t ctx_id,
#		struct iocb __user *iocb,
#		struct io_event __user *result)
probe syscall.io_cancel = kernel.function("sys_io_cancel").call
{
	name = "io_cancel"
	ctx_id = __ulong($ctx_id)
	iocb_uaddr = $iocb
	result_uaddr = $result
	argstr = sprintf("%u, %p, %p", ctx_id, iocb_uaddr, result_uaddr)
}
probe syscall.io_cancel.return = kernel.function("sys_io_cancel").return
{
	name = "io_cancel"
	retstr = return_str(1, $return)
}

# ioctl ______________________________________________________
# long sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
# long compat_sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
#
probe syscall.ioctl = __syscall.ioctl ?,
	kernel.function("compat_sys_ioctl").call ?
{
	name = "ioctl"
	fd = __int32($fd)
	request = __int32($cmd)
	argp = @choose_defined($arg, $arg32)
	argstr = sprintf("%d, %d, %p", fd, request, argp)
}
probe __syscall.ioctl = kernel.function("sys_ioctl").call
{
	@__syscall_gate(%{ __NR_ioctl %})
}
probe syscall.ioctl.return = 
	__syscall.ioctl.return ?,
	kernel.function("compat_sys_ioctl").return ?
{
	name = "ioctl"
	retstr = return_str(1, $return)
}
probe __syscall.ioctl.return = kernel.function("sys_ioctl").return
{
	@__syscall_gate(%{ __NR_ioctl %})
}

# io_destroy _________________________________________________
# long sys_io_destroy(aio_context_t ctx)
probe syscall.io_destroy = kernel.function("sys_io_destroy").call
{
	name = "io_destroy"
	ctx = __ulong($ctx)
	argstr = sprintf("%u", ctx)
}
probe syscall.io_destroy.return = kernel.function("sys_io_destroy").return
{
	name = "io_destroy"
	retstr = return_str(1, $return)
}

# io_getevents _______________________________________________
# long sys_io_getevents(aio_context_t ctx_id,
#		long min_nr,
#		long nr,
#		struct io_event __user *events,
#		struct timespec __user *timeout)
# long compat_sys_io_getevents(aio_context_t ctx_id,
#		 long min_nr,
#		 long nr,
#		 struct io_event __user *events,
#		 struct compat_timespec __user *timeout)
#
probe syscall.io_getevents = __syscall.io_getevents ?,
	kernel.function("compat_sys_io_getevents").call ?
{
	name = "io_getevents"
        ctx_id = __ulong($ctx_id)
	events_uaddr = $events
	timeout_uaddr = $timeout
	nr = @__compat_long($nr)
	min_nr = @__compat_long($min_nr)
	timestr = (@__compat_task ?
	           _struct_compat_timespec_u($timeout, 1) :
	           _struct_timespec_u($timeout, 1))
	argstr = sprintf("%u, %d, %d, %p, %s", ctx_id, min_nr,
		nr, events_uaddr, timestr)
}
probe __syscall.io_getevents = kernel.function("sys_io_getevents").call
{
	@__syscall_gate(%{ __NR_io_getevents %})
}
probe syscall.io_getevents.return = __syscall.io_getevents.return,
	kernel.function("compat_sys_io_getevents").return ?
{
	name = "io_getevents"
	retstr = return_str(1, $return)
}
probe __syscall.io_getevents.return = kernel.function("sys_io_getevents").return ?
{
	@__syscall_gate(%{ __NR_io_getevents %})
}

# ioperm _____________________________________________________
# long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
#
probe syscall.ioperm = kernel.function("sys_ioperm").call ?
{
	name = "ioperm"
	from = __ulong($from)
	num = __ulong($num)
	turn_on = __uint32($turn_on)
	argstr = sprintf("%#x, %#x, %#x", from, num, turn_on)
}
probe syscall.ioperm.return = kernel.function("sys_ioperm").return ?
{
	name = "ioperm"
	retstr = return_str(1, $return)
}

# io_setup ___________________________________________________
# long sys_io_setup(unsigned nr_events, aio_context_t __user *ctxp)
# long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p)
#
probe syscall.io_setup = __syscall.io_setup,
	__syscall.compat_io_setup ?
{
	name = "io_setup"

}
probe __syscall.io_setup = kernel.function("sys_io_setup").call
{
	@__syscall_gate(%{ __NR_io_setup %})
	maxevents = __uint32($nr_events)
	ctxp_uaddr = $ctxp
	argstr = sprintf("%u, %p", maxevents, ctxp_uaddr)
}
probe __syscall.compat_io_setup = kernel.function("compat_sys_io_setup").call
{
	maxevents = __uint32($nr_reqs)
	ctxp_uaddr = $ctx32p
	argstr = sprintf("%u, %p", maxevents, ctxp_uaddr)
}
probe syscall.io_setup.return = __syscall.io_setup.return,
	kernel.function("compat_sys_io_setup").return ?
{
	name = "io_setup"
	retstr = return_str(1, $return)
}

probe __syscall.io_setup.return = kernel.function("sys_io_setup").return
{
	@__syscall_gate(%{ __NR_io_setup %})
}

# io_submit __________________________________________________
# long compat_sys_io_submit(aio_context_t ctx_id, int nr, u32 __user *iocb)
# long sys_io_submit(aio_context_t ctx_id, long nr, struct iocb __user * __user *iocbpp)
#
probe syscall.io_submit = __syscall.io_submit,
	kernel.function("compat_sys_io_submit").call ?
{
	name = "io_submit"
	ctx_id = __ulong($ctx_id)
	nr = @__compat_long($nr)
	iocbpp_uaddr = @choose_defined($iocbpp, $iocb)
	argstr = sprintf("%u, %d, %p", ctx_id, nr, iocbpp_uaddr)
}
probe __syscall.io_submit = kernel.function("sys_io_submit").call
{
	@__syscall_gate(%{ __NR_io_submit%})
}
probe syscall.io_submit.return = __syscall.io_submit.return,
	kernel.function("compat_sys_io_submit").return ?
{
	name = "io_submit"
	retstr = return_str(1, $return)
}
probe __syscall.io_submit.return = kernel.function("sys_io_submit").return
{
	@__syscall_gate(%{ __NR_io_submit%})
}

# ioprio_get _________________________________________________
# long sys_ioprio_get(int which, int who)
#
probe syscall.ioprio_get = kernel.function("sys_ioprio_get").call ?
{
	name = "ioprio_get"
	which = __int32($which)
	which_str = _stp_ioprio_which_str(__int32($which))
	who = __int32($who)
	argstr = sprintf("%s, %d", _stp_ioprio_which_str(__int32($which)),
			 __int32($who))
}
probe syscall.ioprio_get.return = kernel.function("sys_ioprio_get").return ?
{
	name = "ioprio_get"
	retstr = return_str(1, $return)
}

# ioprio_set _________________________________________________
# long sys_ioprio_set(int which, int who, int ioprio)
#
probe syscall.ioprio_set = kernel.function("sys_ioprio_set").call ?
{
	name = "ioprio_set"
	which = __int32($which)
	which_str = _stp_ioprio_which_str(__int32($which))
	who = __int32($who)
	ioprio = __int32($ioprio)
	ioprio_str = _stp_ioprio_value_str(__int32($ioprio))
	argstr = sprintf("%s, %d, %s", _stp_ioprio_which_str(__int32($which)),
			 __int32($who),
			 _stp_ioprio_value_str(__int32($ioprio)))
}
probe syscall.ioprio_set.return = kernel.function("sys_ioprio_set").return ?
{
	name = "ioprio_set"
	retstr = return_str(1, $return)
}

# kcmp _______________________________________________________
# SYSCALL_DEFINE5(kcmp, pid_t, pid1, pid_t, pid2, int, type,
#                 unsigned long, idx1, unsigned long, idx2)
probe syscall.kcmp = kernel.function("sys_kcmp") ?
{
	name = "kcmp"
	pid1 = __int32($pid1)
	pid2 = __int32($pid2)
	type = __int32($type)
	type_str = _kcmp_type_str(type)
	idx1 = @__compat_ulong($idx1)
	idx2 = @__compat_ulong($idx2)
	argstr = sprintf("%d, %d, %s, %u, %u", pid1, pid2, type_str, idx1, idx2)
}
probe syscall.kcmp.return = kernel.function("sys_kcmp").return ?
{
	name = "kcmp"
	retstr = return_str(1, $return)
}

# kexec_file_load ____________________________________________
# The kexec_file_load() system call first appeared in Linux 3.17
# SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd,
#		  unsigned long, cmdline_len, const char __user *, cmdline_ptr,
#		  unsigned long, flags)
probe syscall.kexec_file_load = kernel.function("sys_kexec_file_load").call ?
{
	name = "kexec_file_load"
	kernel_fd = __int32($kernel_fd)
	initrd_fd = __int32($initrd_fd)
	cmdline_len = @__compat_ulong($cmdline_len)
	cmdline = user_string_quoted($cmdline_ptr)
	flags = @__compat_ulong($flags)
	flags_str = _kexec_file_load_flags_str(flags)
	argstr = sprintf("%d, %d, %u, %s, %s", kernel_fd, initrd_fd, cmdline_len,
			 cmdline, _kexec_file_load_flags_str(flags))
}
probe syscall.kexec_file_load.return = 
	kernel.function("sys_kexec_file_load").return ?
{
	name = "kexec_file_load"
	retstr = return_str(1, $return)
}

# kexec_load _________________________________________________
# long sys_kexec_load(unsigned long entry,
#                unsigned long nr_segments,
#                struct kexec_segment __user *segments,
#                unsigned long flags)
# long compat_sys_kexec_load(unsigned long entry,
#		unsigned long nr_segments,
#		struct compat_kexec_segment __user *segments,
#		unsigned long flags)
#
probe syscall.kexec_load = __syscall.kexec_load.call,
                           kernel.function("compat_sys_kexec_load").call ?
{
	name = "kexec_load"
	entry = __ulong($entry)
	nr_segments = __ulong($nr_segments)
	segments_uaddr = $segments
	flags = __ulong($flags)
	flags_str = _kexec_flags_str(flags)
	argstr = sprintf("%p, %u, %p, %s", entry, nr_segments, segments_uaddr, flags_str)
}
probe __syscall.kexec_load.call = kernel.function("sys_kexec_load").call
{
	@__syscall_gate_compat_simple
}
probe syscall.kexec_load.return = __syscall.syscall.kexec_load.return,
                                  kernel.function("compat_sys_kexec_load").return ?
{
	name = "kexec_load"
	retstr = return_str(1, $return)
}
probe __syscall.syscall.kexec_load.return = kernel.function("sys_kexec_load").return
{
	@__syscall_gate_compat_simple
}

# keyctl _____________________________________________________
# long sys_keyctl(int option,
#            unsigned long arg2,
#            unsigned long arg3,
#            unsigned long arg4,
#            unsigned long arg5)
# long compat_sys_keyctl(u32 option, u32 arg2, u32 arg3, u32 arg4, u32 arg5)
#
probe syscall.keyctl = kernel.function("compat_sys_keyctl").call ?,
                       kernel.function("sys_keyctl").call ?
{
	name = "keyctl"
	option = __int32($option)
	arg2 = @__compat_ulong($arg2)
	arg3 = @__compat_ulong($arg3)
	arg4 = @__compat_ulong($arg4)
	arg5 = @__compat_ulong($arg5)
	@__keyctl_argstr(option, arg2, arg3, arg4, arg5)
}
probe syscall.keyctl.return = kernel.function("compat_sys_keyctl").return ?,
                              kernel.function("sys_keyctl").return ?
{
	name = "keyctl"
	retstr = return_str(1, $return)
}

# kill _______________________________________________________
# long sys_kill(int pid, int sig)
probe syscall.kill = kernel.function("sys_kill").call
{
	name = "kill"
	pid = __int32($pid)
	sig = __int32($sig)
	argstr = sprintf("%d, %s", __int32($pid), _signal_name(__int32($sig)))
}
probe syscall.kill.return = kernel.function("sys_kill").return
{
	name = "kill"
	retstr = return_str(1, $return)
}

# lchown _____________________________________________________
# long sys_lchown(const char __user * filename, uid_t user, gid_t group)
#
probe syscall.lchown = kernel.function("sys_lchown").call
{
	// Avoid lchown16() calling lchown().
%( arch == "x86_64" %?
	@__syscall_compat_gate(%{ __NR_lchown %}, %{ __NR_ia32_lchown32 %})
%)
%( arch == "i386" %?
	@__syscall_gate(%{ __NR_lchown32 %})
%)
	name = "lchown"
	path = user_string_quoted($filename)
	owner = __int32($user)
	group = __int32($group)
	argstr = sprintf("%s, %d, %d", user_string_quoted($filename), owner, group)
}
probe syscall.lchown.return = kernel.function("sys_lchown").return
{
%( arch == "x86_64" %?
	@__syscall_compat_gate(%{ __NR_lchown %}, %{ __NR_ia32_lchown32 %})
%)
%( arch == "i386" %?
	@__syscall_gate(%{ __NR_lchown32 %})
%)
	name = "lchown"
	retstr = return_str(1, $return)
}

# lchown16 ___________________________________________________
# long sys_lchown16(const char __user * filename, old_uid_t user,
#			old_gid_t group)
#
probe syscall.lchown16 = kernel.function("sys_lchown16").call ?
{
	name = "lchown16"
	path = user_string_quoted($filename)
	owner = __short($user)
	group = __short($group)
	argstr = sprintf("%s, %d, %d", user_string_quoted($filename), owner, group)
}
probe syscall.lchown16.return = kernel.function("sys_lchown16").return ?
{
	name = "lchown16"
	retstr = return_str(1, $return)
}

# lgetxattr __________________________________________________
# ssize_t sys_lgetxattr(char __user *path,
#               char __user *name,
#               void __user *value,
#               size_t size)
#
probe syscall.lgetxattr = kernel.function("sys_lgetxattr").call
{
	name = "lgetxattr"
	path = user_string_quoted(@choose_defined($pathname, $path))
# 'name2' should have been 'name_str'.  Deprecate the old name.
%(systemtap_v <= "1.4" %?
	name2 = user_string_quoted($name)
%)
	name_str = user_string_quoted($name)
	value_uaddr = $value
	size = __ulong($size)
	argstr = sprintf("%s, %s, %p, %u",
		user_string_quoted(@choose_defined($pathname, $path)),
		user_string_quoted($name),
		value_uaddr, size)
}
probe syscall.lgetxattr.return = kernel.function("sys_lgetxattr").return
{
	name = "lgetxattr"
	retstr = return_str(1, $return)
}

# link _______________________________________________________
# long sys_link(const char __user * oldname,
#          const char __user * newname)
probe syscall.link = kernel.function("sys_link").call
{
	name = "link"
	oldpath = user_string_quoted($oldname)
	newpath = user_string_quoted($newname)
	argstr = sprintf("%s, %s",
		user_string_quoted($oldname),
		user_string_quoted($newname))
}
probe syscall.link.return = kernel.function("sys_link").return
{
	name = "link"
	retstr = return_str(1, $return)
}

# linkat _____________________________________________________
# new function with 2.6.16
# long sys_linkat(int olddfd, const char __user *oldname,
#	int newdfd, const char __user *newname, int flags)
probe syscall.linkat = kernel.function("sys_linkat").call ?
{
	@__syscall_compat_gate(%{ __NR_linkat %}, %{ __NR_compat_linkat %})
	name = "linkat"
	olddirfd = __int32($olddfd)
	olddirfd_str = _dfd_str(__int32($olddfd))
	oldpath = user_string_quoted($oldname)
	newdirfd = __int32($newdfd)
	newdirfd_str = _dfd_str(__int32($newdfd))
	newpath = user_string_quoted($newname)
	flags = __int32($flags)
	flags_str = _at_flag_str(__int32($flags))
	argstr = sprintf("%s, %s, %s, %s, %s",
			 olddirfd_str, user_string_quoted($oldname),
			 newdirfd_str, user_string_quoted($newname),
			 flags_str)
}
probe syscall.linkat.return = kernel.function("sys_linkat").return ?
{
	@__syscall_compat_gate(%{ __NR_linkat %}, %{ __NR_compat_linkat %})
	name = "linkat"
	retstr = return_str(1, $return)
}

# listen _____________________________________________________
# long sys_listen(int fd, int backlog)
probe syscall.listen = __syscall.listen ?, __syscall.socketcall.listen ?,
	__syscall.compat_socketcall.listen ?
{
	name = "listen"
	argstr = sprintf("%d, %d", sockfd, backlog)
}
probe __syscall.listen = kernel.function("sys_listen").call ?
{
	@__syscall_gate(%{ __NR_listen %})
	sockfd = __int32($fd)
	backlog = __int32($backlog)
}
probe __syscall.socketcall.listen = kernel.function("sys_socketcall").call ?
{
	if ($call != %{ SYS_LISTEN %}) next;
	sockfd = __int32(user_ulong(&@cast($args, "ulong")[0]))
	backlog = __int32(user_ulong(&@cast($args, "ulong")[1]))
}
probe __syscall.compat_socketcall.listen =
	kernel.function("compat_sys_socketcall").call ?
{
	if ($call != %{ SYS_LISTEN %}) next;
	sockfd = user_int(&@cast($args, "unsigned int")[0])
	backlog = user_int(&@cast($args, "unsigned int")[1])
}
probe syscall.listen.return = __syscall.listen.return ?,
	__syscall.socketcall.listen.return ?
{
	name = "listen"
	retstr = return_str(1, $return)
}
probe __syscall.listen.return = kernel.function("sys_listen").return ?
{
	@__syscall_gate(%{ __NR_listen %})
}
probe __syscall.socketcall.listen.return =
	kernel.function("sys_socketcall").return ?,
	kernel.function("compat_sys_socketcall").return ?
{
	if ($call != %{ SYS_LISTEN %}) next;
}

# listxattr __________________________________________________
# ssize_t sys_listxattr(char __user *path, char __user *list, size_t size)
#
probe syscall.listxattr = kernel.function("sys_listxattr").call
{
	name = "listxattr"
	list_uaddr = $list
	size = __ulong($size)
	path_uaddr = @choose_defined($pathname, $path)
	path = user_string_quoted(@choose_defined($pathname, $path))
	argstr = sprintf("%s, %p, %u",
		user_string_quoted(@choose_defined($pathname, $path)),
		$list, __ulong($size))
}
probe syscall.listxattr.return = kernel.function("sys_listxattr").return
{
	name = "listxattr"
	retstr = return_str(1, $return)
}

# llistxattr _________________________________________________
# ssize_t sys_llistxattr(char __user *path, char __user *list, size_t size)
#
probe syscall.llistxattr = kernel.function("sys_llistxattr").call
{
	name = "llistxattr"
	list_uaddr = $list
	size = __ulong($size)
	path_uaddr = @choose_defined($pathname, $path)
	path = user_string_quoted(@choose_defined($pathname, $path))
	argstr = sprintf("%s, %p, %u",
		user_string_quoted(@choose_defined($pathname, $path)),
		$list, __ulong($size))
}
probe syscall.llistxattr.return = kernel.function("sys_llistxattr").return
{
	name = "llistxattr"
	retstr = return_str(1, $return)
}

# llseek _____________________________________________________
# long sys_llseek(unsigned int fd,
#            unsigned long offset_high,
#            unsigned long offset_low,
#            loff_t __user * result,
#            unsigned int whence)
probe syscall.llseek = kernel.function("sys_llseek").call ?
{
	name = "llseek"
	fd = __int32($fd)
	offset_high = $offset_high
	offset_low = $offset_low
	result_uaddr = $result
	whence = @choose_defined($whence, $origin)
	whence_str = _seek_whence_str(@choose_defined($whence, $origin))
	argstr = sprintf("%d, 0x%x, 0x%x, %p, %s", fd, $offset_high,
		$offset_low, $result, whence_str)
}
probe syscall.llseek.return = kernel.function("sys_llseek").return ?
{
	name = "llseek"
	retstr = return_str(1, $return)
}

# lookup_dcookie _____________________________________________
# long sys_lookup_dcookie(u64 cookie64, char __user * buf, size_t len)
#
probe syscall.lookup_dcookie = kernel.function("sys_lookup_dcookie").call ?
{
	@__syscall_gate_compat_simple
	name = "lookup_dcookie"
	cookie = $cookie64
	buffer_uaddr = $buf
	len = __ulong($len)
	argstr = sprintf("%#lx, %p, %#x", $cookie64, $buf, $len)
}
probe syscall.lookup_dcookie.return = kernel.function("sys_lookup_dcookie").return ?
{
	@__syscall_gate_compat_simple
	name = "lookup_dcookie"
	retstr = return_str(1, $return)
}

# lremovexattr _______________________________________________
# long sys_lremovexattr(char __user *path, char __user *name)
#
probe syscall.lremovexattr = kernel.function("sys_lremovexattr").call
{
	name = "lremovexattr"
	name_uaddr = $name
# 'name2' should have been 'name_str'.  Deprecate the old name.
%(systemtap_v <= "1.4" %?
	name2 = user_string_quoted($name)
%)
	name_str = user_string_quoted($name)
	path_uaddr = @choose_defined($pathname, $path)
	path = user_string_quoted(@choose_defined($pathname, $path))
	argstr = sprintf("%s, %s",
		user_string_quoted(@choose_defined($pathname, $path)),
		user_string_quoted($name))
}
probe syscall.lremovexattr.return = kernel.function("sys_lremovexattr").return
{
	name = "lremovexattr"
	retstr = return_str(1, $return)
}

# lseek ______________________________________________________
# off_t sys_lseek(unsigned int fd, off_t offset, unsigned int whence)
# COMPAT_SYSCALL_DEFINE3(lseek, unsigned int, fd, compat_off_t, offset,
#			 unsigned int, whence)
#
probe syscall.lseek = kernel.function("sys_lseek").call ?,
                      kernel.function("compat_sys_lseek").call ?
{
	name = "lseek"
	fildes = __int32($fd)
	offset = @__compat_long($offset)
	whence = @__compat_ulong(@choose_defined($whence, $origin))
	whence_str = _seek_whence_str(whence)
	argstr = sprintf("%d, %d, %s", fildes, offset, whence_str)
}
probe syscall.lseek.return = kernel.function("sys_lseek").return,
			     kernel.function("compat_sys_lseek").return ?
{
	name = "lseek"
	retstr = return_str(1, $return)
}

# lsetxattr __________________________________________________
# long sys_lsetxattr(char __user *path,
#               char __user *name,
#               void __user *value,
#               size_t size,
#               int flags)
#
probe syscall.lsetxattr = kernel.function("sys_lsetxattr").call
{
	name = "lsetxattr"
	path_uaddr = @choose_defined($pathname, $path)
	path = user_string_quoted(@choose_defined($pathname, $path))
	name_uaddr = $name
	name_str = user_string_quoted($name)
	value_uaddr = $value
	size = __ulong($size)
	value_str = _stp_xattr_val_str($value, size)
	flags = __int32($flags)
	flags_str = _stp_xattr_flags_str(__int32($flags))
	argstr = sprintf("%s, %s, %s, %u, %s",
			user_string_quoted(@choose_defined($pathname, $path)),
			user_string_quoted($name),
			_stp_xattr_val_str($value, $size), __ulong($size),
			_stp_xattr_flags_str(__int32($flags)))
}
probe syscall.lsetxattr.return = kernel.function("sys_lsetxattr").return
{
	name = "lsetxattr"
	retstr = return_str(1, $return)
}

# lstat ______________________________________________________
# long sys_lstat(char __user * filename, struct __old_kernel_stat __user * statbuf)
# long sys_newlstat(char __user * filename, struct stat __user * statbuf)
# long compat_sys_newlstat(char __user * filename, struct compat_stat __user *statbuf)
# long sys32_lstat64(char * filename, struct stat64 __user *statbuf)
# long sys_lstat64(char __user * filename, struct stat64 __user * statbuf)
# long sys_oabi_lstat64(char __user * filename,
#			struct oldabi_stat64 __user * statbuf)
#
probe syscall.lstat = kernel.function("sys_lstat").call ?,
                      kernel.function("sys_newlstat").call ?,
                      kernel.function("compat_sys_newlstat").call ?,
                      kernel.function("sys32_lstat64").call ?,
                      kernel.function("sys_lstat64").call ?,
                      kernel.function("sys_oabi_lstat64").call ?
{
	name = "lstat"
	path = user_string_quoted($filename)
	buf_uaddr = $statbuf
	argstr = sprintf("%s, %p", user_string_quoted($filename), $statbuf)
}
probe syscall.lstat.return = kernel.function("sys_lstat").return ?,
                             kernel.function("sys_newlstat").return ?,
                             kernel.function("compat_sys_newlstat").return ?,
                             kernel.function("sys32_lstat64").return ?,
                             kernel.function("sys_lstat64").return ?,
                             kernel.function("sys_oabi_lstat64").return ?
{
	name = "lstat"
	retstr = return_str(1, $return)
}

# madvise ____________________________________________________
# long sys_madvise(unsigned long start, size_t len_in, int behavior)
#
probe syscall.madvise = kernel.function("sys_madvise").call ?
{
	name = "madvise"
	start = __ulong($start)
	length = __ulong($len_in)
	advice = __int32($behavior)
	advice_str = _madvice_advice_str(advice)
	argstr = sprintf("%p, %u, %s", start, length,
			 _madvice_advice_str(advice))
}
probe syscall.madvise.return = kernel.function("sys_madvise").return ?
{
	name = "madvise"
	retstr = return_str(1, $return)
}

# mbind ______________________________________________________
# long sys_mbind(unsigned long start,
#	unsigned long len,
#	unsigned long mode,
#	unsigned long __user *nmask,
#	unsigned long maxnode,
#	unsigned flags)
#
# long compat_sys_mbind(compat_ulong_t start,
#	compat_ulong_t len,
#	compat_ulong_t mode,
#	compat_ulong_t __user *nmask,
#	compat_ulong_t maxnode,
#	compat_ulong_t flags)
#
probe syscall.mbind = __syscall.mbind ?,
                      kernel.function("compat_sys_mbind").call ?
{
	name = "mbind"
	start = $start
	mode = __int32($mode)
	mode_str = _mempolicy_mode_str(mode)
	nmask_uaddr = $nmask
	flags = __uint32($flags)
	flags_str = _mempolicy_flags_str(flags)
	len = @__compat_ulong($len)
	maxnode = @__compat_ulong($maxnode)
	argstr = sprintf("%p, %u, %s, %p, %u, %s", start, len,
	                 mode_str, nmask_uaddr, maxnode, flags_str)
}
probe __syscall.mbind = kernel.function("sys_mbind").call
{
%( arch == "powerpc" %?
	@__syscall_gate_compat_simple
%)
}
probe syscall.mbind.return = __syscall.mbind.return ?,
                             kernel.function("compat_sys_mbind").return ?
{
	name = "mbind"
	retstr = return_str(1, $return)
}
probe __syscall.mbind.return = kernel.function("sys_mbind").return
{
%( arch == "powerpc" %?
	@__syscall_gate_compat_simple
%)
}

# memfd_create _____________________________________________________
# long sys_memfd_create (const char __user* uname, unsigned int flags)
probe syscall.memfd_create = kernel.function("sys_memfd_create").call ?
{
	name = "memfd_create"
	uname = user_string_quoted($uname)
	flags = $flags
	flags_str = _mfd_flags_str($flags)
	argstr = sprintf("%s, %s", user_string_quoted($uname), flags_str)
}
probe syscall.memfd_create.return = kernel.function("sys_memfd_create").return ?
{
	name = "memfd_create"
	retstr = return_str(1, $return)
}

# migrate_pages ____________________________________________________
# long sys_migrate_pages(pid_t pid, unsigned long maxnode,
#		const unsigned long __user *old_nodes,
#		const unsigned long __user *new_nodes)
probe syscall.migrate_pages = __syscall.migrate_pages ?,
                              kernel.function("compat_sys_migrate_pages").call ?
{
	name = "migrate_pages"
	pid = __int32($pid)
	old_nodes = $old_nodes
	new_nodes = $new_nodes
	maxnode = @__compat_ulong($maxnode)
	argstr = sprintf("%d, %u, %p, %p", pid, maxnode, old_nodes, new_nodes)
}
probe __syscall.migrate_pages = kernel.function("sys_migrate_pages").call
{
%( arch == "powerpc" %?
	@__syscall_gate_compat_simple
%)
}
probe syscall.migrate_pages.return = __syscall.migrate_pages.return ?,
                                     kernel.function("compat_sys_migrate_pages").return ?
{
	name = "migrate_pages"
	retstr = return_str(1, $return)
}
probe __syscall.migrate_pages.return = kernel.function("sys_migrate_pages").return
{
%( arch == "powerpc" %?
	@__syscall_gate_compat_simple
%)
}

# mincore ____________________________________________________
# long sys_mincore(unsigned long start, size_t len, unsigned char __user * vec)
#
probe syscall.mincore = kernel.function("sys_mincore").call ?
{
	name = "mincore"
	start = $start
	length = __ulong($len)
	vec_uaddr = $vec
	argstr = sprintf("%p, %u, %p", start, length, vec_uaddr)
}
probe syscall.mincore.return = kernel.function("sys_mincore").return ?
{
	name = "mincore"
	retstr = return_str(1, $return)
}

# mkdir ______________________________________________________
# long sys_mkdir(const char __user * pathname, int mode)
probe syscall.mkdir = kernel.function("sys_mkdir").call
{
	name = "mkdir"
	pathname_uaddr = $pathname
	pathname = user_string_quoted($pathname)
	mode = __uint32($mode)
	argstr = sprintf("%s, %#o", user_string_quoted($pathname),
			 __uint32($mode))
}
probe syscall.mkdir.return = kernel.function("sys_mkdir").return
{
	name = "mkdir"
	retstr = return_str(1, $return)
}

# mkdirat ____________________________________________________
# new function with 2.6.16
# long sys_mkdirat(int dfd, const char __user *pathname, int mode)
probe syscall.mkdirat = kernel.function("sys_mkdirat").call ?
{
	@__syscall_compat_gate(%{ __NR_mkdirat %}, %{ __NR_compat_mkdirat %})
	name = "mkdirat"
	dirfd = __int32($dfd)
	dirfd_str = _dfd_str(__int32($dfd))
	pathname = user_string_quoted($pathname)
	mode = __uint32($mode)
	argstr = sprintf("%s, %s, %#o", _dfd_str(__int32($dfd)),
			 user_string_quoted($pathname), __uint32($mode))
}
probe syscall.mkdirat.return = kernel.function("sys_mkdirat").return ?
{
	@__syscall_compat_gate(%{ __NR_mkdirat %}, %{ __NR_compat_mkdirat %})
	name = "mkdirat"
	retstr = return_str(1, $return)
}

# mknod ______________________________________________________
# long sys_mknod(const char __user * filename, int mode, unsigned dev)
probe syscall.mknod = kernel.function("sys_mknod").call
{
	name = "mknod"
	pathname = user_string_quoted($filename)
	mode = __uint32($mode)
	dev = __uint32($dev)
	argstr = sprintf("%s, %s, %u", pathname, _mknod_mode_str(mode), dev)
}

probe syscall.mknod.return = kernel.function("sys_mknod").return
{
	name = "mknod"
	retstr = return_str(1, $return)
}

# mknodat ____________________________________________________
# new function with 2.6.16
# long sys_mknodat(int dfd, const char __user *filename,
#	int mode, unsigned dev)
probe syscall.mknodat = kernel.function("sys_mknodat").call ?
{
	@__syscall_compat_gate(%{ __NR_mknodat %}, %{ __NR_compat_mknodat %})
	name = "mknodat"
	dirfd = __int32($dfd)
	dirfd_str = _dfd_str(dirfd)
	pathname = user_string_quoted($filename)
	mode = __uint32($mode)
	mode_str = _mknod_mode_str(mode)
	dev = __uint32($dev)
	argstr = sprintf("%s, %s, %s, %u",
		dirfd_str, pathname, mode_str, dev)
}
probe syscall.mknodat.return = kernel.function("sys_mknodat").return ?
{
	@__syscall_compat_gate(%{ __NR_mknodat %}, %{ __NR_compat_mknodat %})
	name = "mknodat"
	retstr = return_str(1, $return)
}

# mlock ______________________________________________________
#
# long sys_mlock(unsigned long start, size_t len)
#
probe syscall.mlock = kernel.function("sys_mlock").call ?
{
	name = "mlock"
	addr = __ulong($start)
	len = __ulong($len)
	argstr = sprintf("%p, %u", addr, len)
}
probe syscall.mlock.return = kernel.function("sys_mlock").return ?
{
	name = "mlock"
	retstr = return_str(1, $return)
}

# mlockall ___________________________________________________
#
# long sys_mlockall(int flags)
#
probe syscall.mlockall = kernel.function("sys_mlockall").call ?
{
	name = "mlockall"
	flags = __int32($flags)
	argstr = _mlockall_flags_str(flags)
}
probe syscall.mlockall.return = kernel.function("sys_mlockall").return ?
{
	name = "mlockall"
	retstr = return_str(1, $return)
}

# modify_ldt _________________________________________________
# int sys_modify_ldt(int func, void __user *ptr, unsigned long bytecount)
#
probe syscall.modify_ldt = kernel.function("sys_modify_ldt").call ?
{
	name = "modify_ldt"
	func = __int32($func)
	ptr_uaddr = $ptr
	bytecount = __ulong($bytecount)
	argstr = sprintf("%d, %p, %u", $func, $ptr, __ulong($bytecount))
}
probe syscall.modify_ldt.return = kernel.function("sys_modify_ldt").return ?
{
	name = "modify_ldt"
	retstr = return_str(1, $return)
}

# move_pages ____________________________________________________
# long sys_move_pages(pid_t pid, unsigned long nr_pages,
#			const void __user * __user *pages,
#			const int __user *nodes,
#			int __user *status,
#			int flags)
#
# long compat_sys_move_pages(pid_t pid, unsigned long nr_pages,
#                compat_uptr_t __user *pages32,
#                const int __user *nodes,
#                int __user *status,
#                int flags)
#
probe syscall.move_pages = __syscall.move_pages ?,
                           kernel.function("compat_sys_move_pages").call ?
{
	name = "move_pages"
	pages = @choose_defined($pages32, $pages)
	pid = __int32($pid)
	nodes = $nodes
	status = $status
	flags = __int32($flags)
	flags_str = _mempolicy_flags_str(flags)
	nr_pages = @__compat_ulong($nr_pages)
	argstr = sprintf("%d, %u, %p, %p, %p, %s", pid, nr_pages, pages,
	                 nodes, status, flags_str)
}
probe __syscall.move_pages = kernel.function("sys_move_pages").call
{
	@__syscall_gate(%{ __NR_move_pages %})
}
probe syscall.move_pages.return = __syscall.move_pages.return ?,
                                  kernel.function("compat_sys_move_pages").return ?
{
	name = "move_pages"
	retstr = return_str(1, $return)
}
probe __syscall.move_pages.return = kernel.function("sys_move_pages").return
{
	@__syscall_gate(%{ __NR_move_pages %})
}

# mount ______________________________________________________
# long sys_mount(char __user * dev_name,
# 		char __user * dir_name,
# 		char __user * type,
# 		unsigned long flags,
# 		void __user * data)
# long compat_sys_mount(char __user * dev_name,
#		char __user * dir_name,
#		char __user * type,
#		unsigned long flags,
#		void __user * data)
probe syscall.mount = kernel.function("compat_sys_mount").call ?,
                      kernel.function("sys_mount").call
{
	name = "mount"
	source = user_string_quoted($dev_name)
	target = user_string_quoted($dir_name)
	filesystemtype = user_string_quoted($type)
	mountflags = $flags
	mountflags_str = _mountflags_str($flags)
	data = user_string_n_quoted($data, syscall_string_trunc)
	argstr = sprintf("%s, %s, %s, %s, %s",
		user_string_quoted($dev_name),
		user_string_quoted($dir_name),
		user_string_quoted($type),
		mountflags_str, data)
}
probe syscall.mount.return = kernel.function("compat_sys_mount").return ?,
                             kernel.function("sys_mount").return
{
	name = "mount"
	retstr = return_str(1, $return)
}

%( kernel_v >= "2.6.33" %?
# In newer kernels (2.6.33+), all the sys_mmap() variants are just 
# wrappers around sys_mmap_pgoff(), which is in arch-generic code.
#
# long sys_mmap_pgoff(unsigned long addr, unsigned long len,
#		unsigned long prot, unsigned long flags,
#		unsigned long fd, unsigned long pgoff)
probe syscall.mmap2 = kernel.function("sys_mmap_pgoff") ?
{
	name = "mmap2"
	start = $addr
	length = __ulong($len)
	prot = $prot
	flags = $flags
	# Although the kernel gets an unsigned long fd, on the
	# user-side it is a signed int.  Fix this.
	fd = __int32($fd)
	# $pgoff is the number of pages. Convert this back into a
	# number of bytes.
	pgoffset = $pgoff * %{ /* pure */ PAGE_SIZE %}
	argstr = sprintf("%p, %u, %s, %s, %d, %d", $addr, __ulong($len),
		_mprotect_prot_str($prot), _mmap_flags($flags),
		__int32($fd), pgoffset)
}
probe syscall.mmap2.return = kernel.function("sys_mmap_pgoff").return ?
{
        name = "mmap2"
        retstr = return_str(2, $return)
}
%)

# mprotect ___________________________________________________
# long sys_mprotect(unsigned long start, size_t len, unsigned long prot)
#
probe syscall.mprotect = kernel.function("sys_mprotect").call ?
{
	name = "mprotect"
	addr = $start
	len = $len
	prot = $prot
	prot_str = _mprotect_prot_str($prot)
	argstr = sprintf("%p, %d, %s", $start, $len, _mprotect_prot_str($prot))
}
probe syscall.mprotect.return = kernel.function("sys_mprotect").return ?
{
	name = "mprotect"
	retstr = return_str(1, $return)
}

# mq_getsetattr ______________________________________________
# long sys_mq_getsetattr(mqd_t mqdes,
#                  const struct mq_attr __user *u_mqstat,
#                  struct mq_attr __user *u_omqstat)
# long compat_sys_mq_getsetattr(mqd_t mqdes,
#			const struct compat_mq_attr __user *u_mqstat,
#			struct compat_mq_attr __user *u_omqstat)
#
probe syscall.mq_getsetattr =
        __syscall.mq_getsetattr,
        kernel.function("compat_sys_mq_getsetattr").call ?
{
	name = "mq_getsetattr"
	mqdes = __int32($mqdes)
	u_mqstat_uaddr = $u_mqstat
	u_omqstat_uaddr = $u_omqstat
	argstr = sprintf("%d, %p, %p", mqdes, u_mqstat_uaddr, u_omqstat_uaddr)
}
probe __syscall.mq_getsetattr = kernel.function("sys_mq_getsetattr").call
{
        @__syscall_gate(%{ __NR_mq_getsetattr %})
}
probe syscall.mq_getsetattr.return =
        __syscall.mq_getsetattr.return,
        kernel.function("compat_sys_mq_getsetattr").return ?
{
	name = "mq_getsetattr"
	retstr = return_str(1, $return)
}
probe __syscall.mq_getsetattr.return = kernel.function("sys_mq_getsetattr").return
{
        @__syscall_gate(%{ __NR_mq_getsetattr %})
}

# mq_notify __________________________________________________
# long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
# long compat_sys_mq_notify(mqd_t mqdes, const struct compat_sigevent __user *u_notification)
#
probe syscall.mq_notify =
        __syscall.mq_notify,
        kernel.function("compat_sys_mq_notify").call ?
{
	name = "mq_notify"
	mqdes = __int32($mqdes)
	notification_uaddr = $u_notification
	argstr = sprintf("%d, %p", mqdes, $u_notification)
}
probe __syscall.mq_notify = kernel.function("sys_mq_notify").call
{
        @__syscall_gate(%{ __NR_mq_notify %})
}
probe syscall.mq_notify.return =
        __syscall.mq_notify.return,
        kernel.function("compat_sys_mq_notify").return ?
{
	name = "mq_notify"
	retstr = return_str(1, $return)
}
probe __syscall.mq_notify.return = kernel.function("sys_mq_notify").return
{
        @__syscall_gate(%{ __NR_mq_notify %})
}

# mq_open ____________________________________________________
# long  sys_mq_open(const char __user *u_name,
#             int oflag,
#             mode_t mode,
#             struct mq_attr __user *u_attr)
# long compat_sys_mq_open(const char __user *u_name,
#			int oflag, compat_mode_t mode,
#			struct compat_mq_attr __user *u_attr)
#
probe syscall.mq_open = __syscall.mq_open,
                        kernel.function("compat_sys_mq_open").call ?
{
	name = "mq_open"
	name_uaddr = $u_name
	filename = user_string_quoted($u_name)
	u_attr_uaddr = $u_attr
	oflag = __int32($oflag)
	mode = (@__compat_task ? __ushort($mode) : __uint32($mode))
	if (oflag & 64)
		argstr = sprintf("%s, %s, %#o, %p", user_string_quoted($u_name),
			_sys_open_flag_str(oflag), mode, $u_attr)
	else
		argstr = sprintf("%s, %s", user_string_quoted($u_name), _sys_open_flag_str(oflag))
}

probe __syscall.mq_open = kernel.function("sys_mq_open").call
{
	@__syscall_gate_compat_simple
}
probe syscall.mq_open.return =
        __syscall.mq_open.return,
        kernel.function("compat_sys_mq_open").return ?
{
	name = "mq_open"
	retstr = return_str(1, $return)
}
probe __syscall.mq_open.return = kernel.function("sys_mq_open").return
{
        @__syscall_gate(%{ __NR_mq_open %})
}

# mq_timedreceive ____________________________________________
# ssize_t sys_mq_timedreceive(mqd_t mqdes,
#                     char __user *u_msg_ptr,
#                     size_t msg_len,
#                     unsigned int __user *u_msg_prio,
#                     const struct timespec __user *u_abs_timeout)
# ssize_t compat_sys_mq_timedreceive(mqd_t mqdes,
#			char __user *u_msg_ptr,
#			size_t msg_len, unsigned int __user *u_msg_prio,
#			const struct compat_timespec __user *u_abs_timeout)
#
probe syscall.mq_timedreceive =
	__syscall.mq_timedreceive ?,
	kernel.function("compat_sys_mq_timedreceive").call ?
{
	name = "mq_timedreceive"
	mqdes = __int32($mqdes)
	msg_ptr_uaddr = $u_msg_ptr
	msg_prio_uaddr = $u_msg_prio
	abs_timeout_uaddr = $u_abs_timeout
%( CONFIG_64BIT == "y" %?
	msg_len = @__compat_ulong($msg_len)
%:
	msg_len = __uint32($msg_len)
%)
	argstr = sprintf("%d, %p, %u, %p, %p", mqdes, $u_msg_ptr, msg_len,
		$u_msg_prio, $u_abs_timeout)
}
probe __syscall.mq_timedreceive = kernel.function("sys_mq_timedreceive").call
{
        @__syscall_gate(%{ __NR_mq_timedreceive %})
}
probe syscall.mq_timedreceive.return =
        __syscall.mq_timedreceive.return,
        kernel.function("compat_sys_mq_timedreceive").return ?
{
	name = "mq_timedreceive"
	retstr = return_str(1, $return)
}
probe __syscall.mq_timedreceive.return = kernel.function("sys_mq_timedreceive").return
{
	@__syscall_gate_compat_simple
}

# mq_timedsend _______________________________________________
# long sys_mq_timedsend(mqd_t mqdes,
#                  const char __user *u_msg_ptr,
#                  size_t msg_len,
#                  unsigned int msg_prio,
#                  const struct timespec __user *u_abs_timeout)
#  long compat_sys_mq_timedsend(mqd_t mqdes,
#			const char __user *u_msg_ptr,
#			size_t msg_len, unsigned int msg_prio,
#			const struct compat_timespec __user *u_abs_timeout)
#
probe syscall.mq_timedsend =
	__syscall.mq_timedsend,
	kernel.function("compat_sys_mq_timedsend").call ?
{
	name = "mq_timedsend"
	mqdes = __int32($mqdes)
	msg_ptr_uaddr = $u_msg_ptr
	msg_prio = __uint32($msg_prio)
	abs_timeout_uaddr = $u_abs_timeout
%( CONFIG_64BIT == "y" %?
	msg_len = @__compat_ulong($msg_len)
%:
	msg_len = __uint32($msg_len)
%)
	argstr = sprintf("%d, %p, %u, %u, %p", mqdes, $u_msg_ptr, msg_len,
		__uint32($msg_prio), $u_abs_timeout)
}
probe __syscall.mq_timedsend = kernel.function("sys_mq_timedsend").call
{
        @__syscall_gate(%{ __NR_mq_timedsend %})
}
probe syscall.mq_timedsend.return =
        __syscall.mq_timedsend.return,
        kernel.function("compat_sys_mq_timedsend").return ?
{
	name = "mq_timedsend"
	retstr = return_str(1, $return)
}
probe __syscall.mq_timedsend.return = kernel.function("sys_mq_timedsend").return
{
	@__syscall_gate_compat_simple
}

# mq_unlink __________________________________________________
# long sys_mq_unlink(const char __user *u_name)
#
probe syscall.mq_unlink = kernel.function("sys_mq_unlink").call ?
{
	name = "mq_unlink"
	u_name_uaddr = $u_name
	u_name = user_string_quoted($u_name)
	argstr = user_string_quoted($u_name)
}
probe syscall.mq_unlink.return = kernel.function("sys_mq_unlink").return ?
{
	name = "mq_unlink"
	retstr = return_str(1, $return)
}

# mremap _____________________________________________________
# unsigned long sys_mremap(unsigned long addr,
#            unsigned long old_len,
#            unsigned long new_len,
#            unsigned long flags,
#            unsigned long new_addr)
#
probe syscall.mremap = kernel.function("ia64_mremap").call ?,
                       kernel.function("sys_mremap").call ?
{
	name = "mremap"
	old_address = $addr
	old_size = $old_len
	new_size = $new_len
	flags = $flags
	new_address = $new_addr
	argstr = sprintf("%p, %d, %d, %s, %p", $addr, $old_len, $new_len,
		_mremap_flags($flags), $new_addr)
}
probe syscall.mremap.return = kernel.function("ia64_mremap").return ?,
                              kernel.function("sys_mremap").return ?
{
	name = "mremap"
	retstr = return_str(2, $return)
}

# msgctl _____________________________________________________
# long sys_msgctl (int msqid, int cmd, struct msqid_ds __user *buf)
#
probe syscall.msgctl = kernel.function("sys_msgctl").call ?
{
	@__syscall_gate2(%{ __NR_msgctl %}, %{ __NR_ipc %})
	name = "msgctl"
	msqid = __int32($msqid)
	cmd = __int32($cmd)
	cmd_str = _stp_msgctl_cmd_str(__int32($cmd))
	buf_uaddr = $buf
	argstr = sprintf("%d, %s, %p", __int32($msqid),
			 _stp_msgctl_cmd_str(__int32($cmd)), $buf)
}
probe syscall.msgctl.return = kernel.function("sys_msgctl").return ?
{
	@__syscall_gate2(%{ __NR_msgctl %}, %{ __NR_ipc %})
	name = "msgctl"
	retstr = return_str(1, $return)
}
# compat_sys_msgctl ________________________________________
#
# long compat_sys_msgctl(int first, int second, void __user *uptr)
# ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC
#  COMPAT_SYSCALL_DEFINE6(ipc, u32, call, int, first, int, second,
#	u32, third, compat_uptr_t, ptr, u32, fifth)
# endif
#
probe syscall.compat_sys_msgctl = __syscall.compat_msgctl ?,
      __syscall.compat_ipc.msgctl ?
{
	name = "msgctl"
	cmd_str = _stp_msgctl_cmd_str(cmd)
	argstr = sprintf("%d, %s, %p", msqid, _stp_msgctl_cmd_str(cmd),
			 buf_uaddr)
}
probe __syscall.compat_msgctl = kernel.function("compat_sys_msgctl").call ?
{
	msqid = __int32($first)
	cmd = __int32($second)
	buf_uaddr = $uptr
}
probe __syscall.compat_ipc.msgctl = kernel.function("compat_sys_ipc").call ?
{
	if (($call & 0xffff) != %{ MSGCTL %}) next;
	msqid = __int32($first)
	cmd = __int32($second)
	buf_uaddr = $ptr
}
probe syscall.compat_sys_msgctl.return =
	kernel.function("compat_sys_msgctl").return ?,
	__syscall.compat_ipc.msgctl.return ?
{
	name = "msgctl"
	retstr = return_str(1, $return)
}
probe __syscall.compat_ipc.msgctl.return =
	kernel.function("compat_sys_ipc").return ?
{
	if (($call & 0xffff) != %{ MSGCTL %}) next;
}

# msgget _____________________________________________________
# long sys_msgget (key_t key, int msgflg)
#
probe syscall.msgget = kernel.function("sys_msgget").call ?
{
	name = "msgget"
	key = __int32($key)
	key_str = _stp_msgget_key_str(__int32($key))
	msgflg = __int32($msgflg)
	msgflg_str = __sem_flags(__int32($msgflg))
	argstr = sprintf("%s, %s", _stp_msgget_key_str(__int32($key)),
			 __sem_flags(__int32($msgflg)))
}
probe syscall.msgget.return = kernel.function("sys_msgget").return ?
{
	name = "msgget"
	retstr = return_str(1, $return)
}

# msgrcv _____________________________________________________
# long sys_msgrcv (int msqid,
#             struct msgbuf __user *msgp,
#             size_t msgsz,
#             long msgtyp,
#             int msgflg)
#
probe syscall.msgrcv = kernel.function("sys_msgrcv").call ?
{
	name = "msgrcv"
	msqid = __int32($msqid)
	msgp_uaddr = $msgp
	msgsz = __ulong($msgsz)
	msgtyp = $msgtyp
	msgflg = __int32($msgflg)
	msgflg_str = _stp_msgflg_str(__int32($msgflg))
	argstr = sprintf("%d, %p, %u, %d, %s", __int32($msqid), $msgp,
			 __ulong($msgsz), $msgtyp,
			 _stp_msgflg_str(__int32($msgflg)))
}
probe syscall.msgrcv.return = kernel.function("sys_msgrcv").return ?
{
	name = "msgrcv"
	retstr = return_str(1, $return)
}
# compat_sys_msgrcv ________________________________________
#
# long compat_sys_msgrcv(int first, int second, int msgtyp, int third,
#			int version, void __user *uptr)
# COMPAT_SYSCALL_DEFINE5(msgrcv, int, msqid, compat_uptr_t, msgp,
#		       compat_ssize_t, msgsz, long, msgtyp, int, msgflg)
# ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC
#  COMPAT_SYSCALL_DEFINE6(ipc, u32, call, int, first, int, second,
#	u32, third, compat_uptr_t, ptr, u32, fifth)
# endif
#
probe syscall.compat_sys_msgrcv = __syscall.compat_msgrcv ?,
	__syscall.compat_ipc.msgrcv ?
{
	name = "msgrcv"
	msgflg_str = _stp_msgflg_str(msgflg)
	argstr = sprintf("%d, %p, %u, %d, %s", msqid, msgp_uaddr, msgsz,
			 msgtyp, _stp_msgflg_str(msgflg))
}
probe __syscall.compat_msgrcv = kernel.function("compat_sys_msgrcv").call ?
{
	msqid = __int32(@choose_defined($msqid, $first))
	if (@defined($version)) {
		msgp_uaddr = _stp_compat_msgrcv_msgbuf($uptr, $version)
		msgtyp = _stp_compat_msgrcv_msgtyp($uptr, $version, $msgtyp)
	}
	else {
		msgp_uaddr = $msgp
		msgtyp = __int32($msgtyp)
	}
	msgsz = __uint32(@choose_defined($msgsz, $second))
	msgflg = __int32(@choose_defined($msgflg, $third))
}
probe __syscall.compat_ipc.msgrcv = kernel.function("compat_sys_ipc").call ?
{
	if (($call & 0xffff) != %{ MSGRCV %}) next;
	msqid = __int32($first)
	msgsz = __uint32($second)
	msgflg = __int32($third)

# __version isn't quite correct (it should be shifted down 16
	# bits), but all we really need is zero/non-zero.
	__version = $call & 0xffff0000
	msgp_uaddr = _stp_compat_msgrcv_msgbuf($ptr, __version)
	msgtyp = _stp_compat_msgrcv_msgtyp($ptr, __version, $fifth)
}
probe syscall.compat_sys_msgrcv.return =
	kernel.function("compat_sys_msgrcv").return ?,
	__syscall.compat_ipc.msgrcv.return ?
{
	name = "msgrcv"
	retstr = return_str(1, $return)
}
probe __syscall.compat_ipc.msgrcv.return =
	kernel.function("compat_sys_ipc").return ?
{
	if (($call & 0xffff) != %{ MSGRCV %}) next;
}

# msgsnd _____________________________________________________
# long sys_msgsnd (int msqid,
#             struct msgbuf __user *msgp,
#             size_t msgsz,
#             int msgflg)
#
probe syscall.msgsnd = kernel.function("sys_msgsnd").call ?
{
	name = "msgsnd"
	msqid = __int32($msqid)
	msgp_uaddr = $msgp
	msgsz = __ulong($msgsz)
	msgflg = __int32($msgflg)
	msgflg_str = _stp_msgflg_str(__int32($msgflg))
	argstr = sprintf("%d, %p, %u, %s", __int32($msqid), $msgp, msgsz,
			 _stp_msgflg_str(__int32($msgflg)))
}
probe syscall.msgsnd.return = kernel.function("sys_msgsnd").return ?
{
	name = "msgsnd"
	retstr = return_str(1, $return)
}
# compat_sys_msgsnd ________________________________________
#
# long compat_sys_msgsnd(int first, int second, int third, void __user *uptr)
# COMPAT_SYSCALL_DEFINE4(msgsnd, int, msqid, compat_uptr_t, msgp,
#		       compat_ssize_t, msgsz, int, msgflg)
# ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC
#  COMPAT_SYSCALL_DEFINE6(ipc, u32, call, int, first, int, second,
#	u32, third, compat_uptr_t, ptr, u32, fifth)
# endif
#
probe syscall.compat_sys_msgsnd = __syscall.compat_msgsnd ?,
      __syscall.compat_ipc.msgsnd ?
{
	name = "msgsnd"
	msgflg_str = _stp_msgflg_str(msgflg)
	argstr = sprintf("%d, %p, %u, %s", msqid, msgp_uaddr, msgsz,
			 _stp_msgflg_str(msgflg))
}
probe __syscall.compat_msgsnd = kernel.function("compat_sys_msgsnd").call ?
{
	msqid = __int32(@choose_defined($msqid, $first))
	msgp_uaddr = @choose_defined($msgp, $uptr)
	msgsz = __uint32(@choose_defined($msgsz, $second))
	msgflg = __int32(@choose_defined($msgflg, $third))
}
probe __syscall.compat_ipc.msgsnd = kernel.function("compat_sys_ipc").call ?
{
	if (($call & 0xffff) != %{ MSGSND %}) next;
	msqid = __int32($first)
	msgsz = __uint32($second)
	msgflg = __int32($third)
	msgp_uaddr = $ptr
}
probe syscall.compat_sys_msgsnd.return =
	kernel.function("compat_sys_msgsnd").return ?,
	__syscall.compat_ipc.msgsnd.return ?
{
	name = "msgsnd"
	retstr = return_str(1, $return)
}
probe __syscall.compat_ipc.msgsnd.return =
	kernel.function("compat_sys_ipc").return ?
{
	if (($call & 0xffff) != %{ MSGSND %}) next;
}

# msync ______________________________________________________
# long sys_msync(unsigned long start, size_t len, int flags)
probe syscall.msync = kernel.function("sys_msync").call ?
{
	name = "msync"
	start = $start
	length = __ulong($len)
	flags = __int32($flags)
	argstr = sprintf("%p, %u, %s", start, length, _msync_flag_str(flags))
}
probe syscall.msync.return = kernel.function("sys_msync").return ?
{
	name = "msync"
	retstr = return_str(1, $return)
}

# munlock ____________________________________________________
# long sys_munlock(unsigned long start, size_t len)
probe syscall.munlock = kernel.function("sys_munlock").call ?
{
	name = "munlock"
	addr = $start
	len = $len
	argstr = sprintf("%p, %d", addr, len)
}
probe syscall.munlock.return = kernel.function("sys_munlock").return ?
{
	name = "munlock"
	retstr = return_str(1, $return)
}

# munlockall _________________________________________________
# long sys_munlockall(void)
probe syscall.munlockall = kernel.function("sys_munlockall").call ?
{
	name = "munlockall"
	argstr = ""
}
probe syscall.munlockall.return = kernel.function("sys_munlockall").return ?
{
	name = "munlockall"
	retstr = return_str(1, $return)
}

# munmap _____________________________________________________
# long sys_munmap(unsigned long addr, size_t len)
probe syscall.munmap = kernel.function("sys_munmap").call
{
	name = "munmap"
	start = $addr
	length = __ulong($len)
	argstr = sprintf("%p, %u", start, length)
}
probe syscall.munmap.return = kernel.function("sys_munmap").return
{
	name = "munmap"
	retstr = return_str(1, $return)
}

${this.title}

Code Editor : syscalls.stp