Log total initialization time

qutebrowser/app.py

@@ -50,7 +50,8 @@ from qutebrowser.browser.webkit import cookies, cache, downloads
 from qutebrowser.browser.webkit.network import (webkitqutescheme, proxy,
                                                 networkmanager)
 from qutebrowser.mainwindow import mainwindow
-from qutebrowser.misc import readline, ipc, savemanager, sessions, crashsignal
+from qutebrowser.misc import (readline, ipc, savemanager, sessions, crashsignal,
+                              earlyinit)
 from qutebrowser.misc import utilcmds  # pylint: disable=unused-import
 from qutebrowser.utils import (log, version, message, utils, qtutils, urlutils,
                                objreg, usertypes, standarddir, error, debug)
@@ -198,6 +199,9 @@ def _process_args(args):
     _open_startpage()
     _open_quickstart(args)
 
+    delta = datetime.datetime.now() - earlyinit.START_TIME
+    log.init.debug("Init finished after {}s".format(delta.total_seconds()))
+
 
 def _load_session(name):
     """Load the default session.

qutebrowser/misc/earlyinit.py

@@ -37,6 +37,7 @@ import signal
 import operator
 import importlib
 import pkg_resources
+import datetime
 try:
     import tkinter
 except ImportError:
@@ -45,6 +46,9 @@ except ImportError:
 # initialization needs to take place before that!
 
 
+START_TIME = datetime.datetime.now()
+
+
 def _missing_str(name, *, windows=None, pip=None, webengine=False):
     """Get an error string for missing packages.