py: times for late boot process (loading st3m libs and flow3r app

python_payload/main.py

@@ -7,10 +7,19 @@ log.info(f"free memory: {gc.mem_free()}")
 
 from st3m import control, application, ui, menu
 
+log = logging.Log(__name__, level=logging.INFO)
+
+ts_start = time.time()
+
+from st3m import *
+
 from apps import flow3r
 
 log.info("import apps done")
 log.info(f"free memory: {gc.mem_free()}")
+ts_end = time.time()
+
+log.info(f"boot took {ts_end-ts_start} seconds")
 
 # TODO persistent settings
 from st3m.system import hardware, audio