An elixir wrapper around c_monotonic_time https://github.com/magnetised/c_monotonic_time
Provides a few macros to make access to the OS monotonic time easier.
iex(1)> require Monotonic
iex(2)> Monotonic.microseconds
1845122787
iex(3)> defmodule Timing do
...(3)> # require's the Monotonic module to compile the macros
...(3)> # and imports `monotonic_milliseconds` and `monotonic_microseconds`
...(3)> use Monotonic
...(3)>
...(3)> def us, do: monotonic_microseconds
...(3)> def ms, do: monotonic_milliseconds
...(3)> end