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# timerfd ______________________________________________
#
# Note that timerfd() only existed between kernels 2.6.22 and 2.6.25
# and was replaced by timerfd_create(), timerfd_gettime(),
# and timerfd_settime().
#
# long sys_timerfd(int ufd, int clockid, int flags,
# const struct itimerspec __user *utmr)
# long compat_sys_timerfd(int ufd, int clockid, int flags,
# const struct compat_itimerspec __user *utmr)
#
@define _SYSCALL_TIMERFD_NAME
%(
name = "timerfd"
%)
@define _SYSCALL_TIMERFD_ARGSTR
%(
argstr = sprintf("%d, %d, 0x%x", ufd, clockid, flags)
%)
probe syscall.timerfd = dw_syscall.timerfd !, nd_syscall.timerfd ? {}
probe syscall.timerfd.return = dw_syscall.timerfd.return !,
nd_syscall.timerfd.return ? {}
# dw_timerfd _____________________________________________________
probe dw_syscall.timerfd = kernel.function("sys_timerfd").call ?,
kernel.function("compat_sys_timerfd").call ?
{
@_SYSCALL_TIMERFD_NAME
ufd = $ufd
clockid = @__pointer($clockid)
flags = $flags
@_SYSCALL_TIMERFD_ARGSTR
}
probe dw_syscall.timerfd.return = kernel.function("sys_timerfd").return ?,
kernel.function("compat_sys_timerfd").return ?
{
@_SYSCALL_TIMERFD_NAME
@SYSC_RETVALSTR($return)
}
# nd_timerfd _____________________________________________________
probe nd_syscall.timerfd = kprobe.function("sys_timerfd") ?,
kprobe.function("compat_sys_timerfd") ?
{
@_SYSCALL_TIMERFD_NAME
asmlinkage()
ufd = int_arg(1)
clockid = int_arg(2)
flags = int_arg(3)
@_SYSCALL_TIMERFD_ARGSTR
}
probe nd_syscall.timerfd.return = kprobe.function("sys_timerfd").return ?,
kprobe.function("compat_sys_timerfd").return ?
{
@_SYSCALL_TIMERFD_NAME
@SYSC_RETVALSTR(returnval())
}
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