diff --git a/commands.lua b/commands.lua
index be9c9bf..29e4a3e 100644
--- a/commands.lua
+++ b/commands.lua
@@ -55,13 +55,16 @@ function add_hotkey_to_menu(s)
 end
 
 function source.draw_file_navigator()
+  log_start('render file navigator')
   for i,file in ipairs(File_navigation.candidates) do
     if file == 'source' then
       App.color(Menu_border_color)
       love.graphics.line(Menu_cursor-10,2, Menu_cursor-10,Menu_status_bar_height-2)
     end
+    log(2, file)
     add_file_to_menu(file, i == File_navigation.index)
   end
+  log_end('render file navigator')
 end
 
 function add_file_to_menu(s, cursor_highlight)
@@ -70,6 +73,7 @@ function add_file_to_menu(s, cursor_highlight)
   end
   local width = App.width(Text_cache[s])
   if Menu_cursor + width > App.screen.width - 5 then
+    log(2, 'skipped')
     return
   end
   if cursor_highlight then
diff --git a/main.lua b/main.lua
index fd0fe45..570a7a1 100644
--- a/main.lua
+++ b/main.lua
@@ -33,6 +33,7 @@ load_file_from_source_or_save_directory('drawing_tests.lua')
 
 -- but some files we want to only load sometimes
 function App.load()
+  log_new('session')
   if love.filesystem.getInfo('config') then
     Settings = json.decode(love.filesystem.read('config'))
     Current_app = Settings.current_app
diff --git a/run.lua b/run.lua
index 2dd159e..3a17225 100644
--- a/run.lua
+++ b/run.lua
@@ -15,6 +15,7 @@ end
 
 -- called only for real run
 function run.initialize(arg)
+  log_new('run')
   love.keyboard.setTextInput(true)  -- bring up keyboard on touch screen
   love.keyboard.setKeyRepeat(true)
 
diff --git a/source.lua b/source.lua
index c752604..70b0814 100644
--- a/source.lua
+++ b/source.lua
@@ -11,6 +11,7 @@ function source.initialize_globals()
   Show_file_navigator = false
   File_navigation = {
     candidates = {
+      'main',
       'run',
       'run_tests',
       'log',
@@ -56,6 +57,7 @@ end
 
 -- called only for real run
 function source.initialize()
+  log_new('source')
   love.keyboard.setTextInput(true)  -- bring up keyboard on touch screen
   love.keyboard.setKeyRepeat(true)