LANGUAGE
 - lock (var) { block }
 - /* */ and // comments

PROVIDERS
  lkst("process_contextswitch")
  syscall("name").return
  syscall("*")
  kernel.function("wait_for_godot")
  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