LANGUAGE
  for/while/break/continue statements
  lock (var) { block }  (http://tinyurl.com/5rpzg)
  "in" predicate / looping construct
  /* */ and // comments
  builtin functions
  varargs/overloaded functions (?)
  syntax for dereferencing C structures (http://tinyurl.com/4tpgh)
  syntax for embedded C (?)

RUNTIME
  lifecycle control (http://tinyurl.com/6ub2a)
  better map/string memory management
  user-level 
  dtrace-flavoured utility functions

PROVIDERS
  lkst("process_contextswitch")
  syscall("name").return
  syscall("*")
  kernel.function("wait_for_godot")
  kernel.function("wait_for_godot").callees
  kernel.function("batman").calledfrom("commissioner")
  kernel.function("name").line(10)
  kernel.source("mempool.c").line(5004)
  kernel.address(0xdeadbeef)
  kernel.module("driver.ko").function("name").return
  kernel.module("cpqarray.ko").jumptable("ida_fops")
  kernel.watch("datasymbol").write
  user("fche").inode("/bin/vi").function("refresh")
  user.inode("/lib/libc.so.6").function("malloc").return
  time.real.hz(500)
  time.virtual.jiffies(100)
  perfcounter("tlbmiss").count(4000)
  resource.freemembelow(50) # pages?
  begin
  end

KPROBES
  smp friendliness: no kprobes-wide lock held during probe execution
  multiple probes at same address
  user-level probe points (via ptrace mechanism?)

OPROFILE/timers
  kprobes-like event setting and callback API