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# sched_getscheduler _________________________________________
#
# long sys_sched_getscheduler(pid_t pid)
#
@define _SYSCALL_SCHED_GETSCHEDULER_NAME
%(
name = "sched_getscheduler"
%)
@define _SYSCALL_SCHED_GETSCHEDULER_ARGSTR
%(
argstr = sprint(pid)
%)
@define _SYSCALL_SCHED_GETSCHEDULER_REGARGS
%(
pid = int_arg(1)
%)
@define _SYSCALL_SCHED_GETSCHEDULER_REGARGS_STORE
%(
if (@probewrite(pid))
set_int_arg(1, pid)
%)
probe syscall.sched_getscheduler = dw_syscall.sched_getscheduler !,
nd_syscall.sched_getscheduler ? {}
probe syscall.sched_getscheduler.return = dw_syscall.sched_getscheduler.return !,
nd_syscall.sched_getscheduler.return ? {}
# dw_sched_getscheduler _____________________________________________________
probe dw_syscall.sched_getscheduler = kernel.function("sys_sched_getscheduler").call
{
@_SYSCALL_SCHED_GETSCHEDULER_NAME
pid = __int32($pid)
@_SYSCALL_SCHED_GETSCHEDULER_ARGSTR
}
probe dw_syscall.sched_getscheduler.return = kernel.function("sys_sched_getscheduler").return
{
@_SYSCALL_SCHED_GETSCHEDULER_NAME
@SYSC_RETVALSTR($return)
}
# nd_sched_getscheduler _____________________________________________________
probe nd_syscall.sched_getscheduler = nd1_syscall.sched_getscheduler!, nd2_syscall.sched_getscheduler!, tp_syscall.sched_getscheduler
{ }
probe nd1_syscall.sched_getscheduler = kprobe.function("sys_sched_getscheduler") ?
{
@_SYSCALL_SCHED_GETSCHEDULER_NAME
asmlinkage()
@_SYSCALL_SCHED_GETSCHEDULER_REGARGS
@_SYSCALL_SCHED_GETSCHEDULER_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.sched_getscheduler = kprobe.function(@arch_syscall_prefix "sys_sched_getscheduler") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_SCHED_GETSCHEDULER_NAME
@_SYSCALL_SCHED_GETSCHEDULER_REGARGS
@_SYSCALL_SCHED_GETSCHEDULER_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SCHED_GETSCHEDULER_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.sched_getscheduler = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_sched_getscheduler"), @const("__NR_compat_sched_getscheduler"))
@_SYSCALL_SCHED_GETSCHEDULER_NAME
@_SYSCALL_SCHED_GETSCHEDULER_REGARGS
@_SYSCALL_SCHED_GETSCHEDULER_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SCHED_GETSCHEDULER_REGARGS_STORE %)
}
probe nd_syscall.sched_getscheduler.return = nd1_syscall.sched_getscheduler.return!, nd2_syscall.sched_getscheduler.return!, tp_syscall.sched_getscheduler.return
{ }
probe nd1_syscall.sched_getscheduler.return = kprobe.function("sys_sched_getscheduler").return ?
{
@_SYSCALL_SCHED_GETSCHEDULER_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.sched_getscheduler.return = kprobe.function(@arch_syscall_prefix "sys_sched_getscheduler").return ?
{
@_SYSCALL_SCHED_GETSCHEDULER_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.sched_getscheduler.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_sched_getscheduler"), @const("__NR_compat_sched_getscheduler"))
@_SYSCALL_SCHED_GETSCHEDULER_NAME
@SYSC_RETVALSTR($ret)
}
|
