Add event loop benchmark escript wrapper

Author: benoitc

examples/bench_event_loop.erl

@@ -0,0 +1,22 @@
+#!/usr/bin/env escript
+%% -*- erlang -*-
+%%! -pa _build/default/lib/erlang_python/ebin
+
+%%% @doc Benchmark script for event loop performance.
+%%%
+%%% Run with:
+%%%   rebar3 compile && escript examples/bench_event_loop.erl
+
+-mode(compile).
+
+main(_Args) ->
+    {ok, _} = application:ensure_all_started(erlang_python),
+    {ok, _} = py:start_contexts(),
+
+    Code = <<"exec(open('examples/benchmark_event_loop.py').read())">>,
+    case py:exec(Code) of
+        ok -> ok;
+        {error, E} -> io:format("Error: ~p~n", [E])
+    end,
+
+    halt(0).