   Inlined by the compiler.
   """
   @spec os_time() :: integer
+  @doc since: "1.3.0"
   def os_time do
     :os.system_time()
   end

  Returns the number of schedulers online in the VM.
  """
  @spec schedulers_online :: pos_integer
  def schedulers_online do
    :erlang.system_info(:schedulers_online)
  end

  Returns the number of schedulers in the VM.
  """
  @spec schedulers :: pos_integer
  @doc since: "1.3.0"
  def schedulers do
    :erlang.system_info(:schedulers)
  end
