testsuite/semok/four.stp


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#! stap -p2

# these will ultimately be somehow associated with "providers"
# and have a syntax of their own
global kernel_jiffies, kernel_current_comm

function kernel_netlink(a, b) {
  # this should be a builtin function
  return 0
}

function stamp (syscall)
{
  return kernel_netlink (4, kernel_jiffies . " " . kernel_current_comm . " " . syscall)
}

# probe kernel:syscall:read = kernel:function("sys_read");


probe begin /* syscall ("read") */
{ 
  stamp ("read");
}