Add scheduler event loop warning

appdaemon/appdaemon.py

@@ -371,7 +371,7 @@ def do_every(period, f):
 def do_every_second(utc):
 
     try:
-
+        start_time = datetime.datetime.now().timestamp()
         now = datetime.datetime.fromtimestamp(utc)
         conf.now = utc
 
@@ -463,6 +463,14 @@ def do_every_second(utc):
                 if v == {}:
                     del conf.schedule[k]
 
+        end_time = datetime.datetime.now().timestamp()
+
+        loop_duration = (int((end_time - start_time)*1000) / 1000) * 1000
+        ha.log(conf.logger, "DEBUG", "Main loop compute time: {}ms".format(loop_duration))
+
+        if loop_duration > 900:
+            ha.log(conf.logger, "WARNING", "Excessive time spent in scheduler loop: {}ms".format(loop_duration))
+
         return utc
 
     except:

appdaemon/dashboard.py

@@ -60,7 +60,6 @@ def __init__(self, config_dir, logger, **kwargs):
         # Set a start time
         #
         self.start_time = datetime.datetime.now()
-        print(self.dashboard_dir)
 
     def __timeit(func):
         @functools.wraps(func)

docs/HISTORY.rst

@@ -6,7 +6,8 @@ Change Log
 
 **Features**
 
-None
+- Refactor of dashboard code in preparation for HASS integration
+- Addition of check to highlight excessive time in scheduler loop
 
 **Fixes**