iex> defmodule Example, do: use GenServer
iex> {:ok, pid} = GenServer.start_link(Example, %{ping: "pong"})
iex> Process.info pid
[
  current_function: {:gen_server, :loop, 7},
  initial_call: {:proc_lib, :init_p, 5},
  status: :waiting,
  message_queue_len: 0,
  messages: [],
  links: [#PID<0.610.0>],
  dictionary: [
    "$initial_call": {Example, :init, 1},
    "$ancestors": [#PID<0.610.0>, #PID<0.70.0>]
  ],
  trap_exit: false,
  error_handler: :error_handler,
  priority: :normal,
  group_leader: #PID<0.60.0>,
  total_heap_size: 233,
  heap_size: 233,
  stack_size: 10,
  reductions: 27,
  garbage_collection: [
    max_heap_size: %{error_logger: true, kill: true, size: 0},
    min_bin_vheap_size: 46422,
    min_heap_size: 233,
    fullsweep_after: 65535,
    minor_gcs: 0
  ],
  suspending: []
]