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# sched_get_priority_min _____________________________________
#
# asmlinkage long
# sys_sched_get_priority_min(int policy)
#
@define _SYSCALL_SCHED_GET_PRIORITY_MIN_NAME
%(
name = "sched_get_priority_min"
%)
@define _SYSCALL_SCHED_GET_PRIORITY_MIN_ARGSTR
%(
argstr = policy_str
%)
@define _SYSCALL_SCHED_GET_PRIORITY_MIN_REGARGS
%(
policy = int_arg(1)
policy_str = _sched_policy_str(policy)
%)
probe syscall.sched_get_priority_min = dw_syscall.sched_get_priority_min !,
nd_syscall.sched_get_priority_min ? {}
probe syscall.sched_get_priority_min.return = dw_syscall.sched_get_priority_min.return !,
nd_syscall.sched_get_priority_min.return ? {}
# dw_sched_get_priority_min _____________________________________________________
probe dw_syscall.sched_get_priority_min = kernel.function("sys_sched_get_priority_min").call
{
@_SYSCALL_SCHED_GET_PRIORITY_MIN_NAME
policy = __int32($policy)
policy_str = _sched_policy_str(policy)
@_SYSCALL_SCHED_GET_PRIORITY_MIN_ARGSTR
}
probe dw_syscall.sched_get_priority_min.return = kernel.function("sys_sched_get_priority_min").return
{
@_SYSCALL_SCHED_GET_PRIORITY_MIN_NAME
@SYSC_RETVALSTR($return)
}
# nd_sched_get_priority_min _____________________________________________________
probe nd_syscall.sched_get_priority_min = nd1_syscall.sched_get_priority_min!, nd2_syscall.sched_get_priority_min!, tp_syscall.sched_get_priority_min
{ }
probe nd1_syscall.sched_get_priority_min = kprobe.function("sys_sched_get_priority_min") ?
{
@_SYSCALL_SCHED_GET_PRIORITY_MIN_NAME
asmlinkage()
@_SYSCALL_SCHED_GET_PRIORITY_MIN_REGARGS
@_SYSCALL_SCHED_GET_PRIORITY_MIN_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.sched_get_priority_min = kprobe.function(@arch_syscall_prefix "sys_sched_get_priority_min") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_SCHED_GET_PRIORITY_MIN_NAME
@_SYSCALL_SCHED_GET_PRIORITY_MIN_REGARGS
@_SYSCALL_SCHED_GET_PRIORITY_MIN_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.sched_get_priority_min = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_sched_get_priority_min"), @const("__NR_compat_sched_get_priority_min"))
@_SYSCALL_SCHED_GET_PRIORITY_MIN_NAME
@_SYSCALL_SCHED_GET_PRIORITY_MIN_REGARGS
@_SYSCALL_SCHED_GET_PRIORITY_MIN_ARGSTR
}
probe nd_syscall.sched_get_priority_min.return = nd1_syscall.sched_get_priority_min.return!, nd2_syscall.sched_get_priority_min.return!, tp_syscall.sched_get_priority_min.return
{ }
probe nd1_syscall.sched_get_priority_min.return = kprobe.function("sys_sched_get_priority_min").return ?
{
@_SYSCALL_SCHED_GET_PRIORITY_MIN_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.sched_get_priority_min.return = kprobe.function(@arch_syscall_prefix "sys_sched_get_priority_min").return ?
{
@_SYSCALL_SCHED_GET_PRIORITY_MIN_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.sched_get_priority_min.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_sched_get_priority_min"), @const("__NR_compat_sched_get_priority_min"))
@_SYSCALL_SCHED_GET_PRIORITY_MIN_NAME
@SYSC_RETVALSTR($ret)
}
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