feat(perf): Add high-resolution component profiling to main loop

gui.py

@@ -2237,14 +2237,18 @@ class App:
 
         while dpg.is_dearpygui_running():
             self.perf_monitor.start_frame()
+            
             # Show any pending confirmation dialog on the main thread safely
+            self.perf_monitor.start_component("Dialogs")
             with self._pending_dialog_lock:
                 dialog = self._pending_dialog
                 self._pending_dialog = None
             if dialog is not None:
                 dialog.show()
+            self.perf_monitor.end_component("Dialogs")
 
             # Process queued history additions
+            self.perf_monitor.start_component("History")
             with self._pending_history_adds_lock:
                 adds = self._pending_history_adds[:]
                 self._pending_history_adds.clear()
@@ -2259,8 +2263,10 @@ class App:
                 if dpg.does_item_exist("disc_scroll"):
                     # Force scroll to bottom using a very large number
                     dpg.set_y_scroll("disc_scroll", 99999)
+            self.perf_monitor.end_component("History")
 
             # Process queued API GUI tasks
+            self.perf_monitor.start_component("GUI_Tasks")
             with self._pending_gui_tasks_lock:
                 gui_tasks = self._pending_gui_tasks[:]
                 self._pending_gui_tasks.clear()
@@ -2280,8 +2286,10 @@ class App:
                                 cb()
                 except Exception as e:
                     print(f"Error executing GUI hook task: {e}")
+            self.perf_monitor.end_component("GUI_Tasks")
 
             # Handle retro arcade blinking effect
+            self.perf_monitor.start_component("Blinking")
             if self._trigger_script_blink:
                 self._trigger_script_blink = False
                 self._is_script_blinking = True
@@ -2369,10 +2377,16 @@ class App:
                                 dpg.bind_item_theme("ai_response_wrap_container", "response_blink_theme")
                         except Exception:
                             pass
+            self.perf_monitor.end_component("Blinking")
 
             # Flush any comms entries queued from background threads
+            self.perf_monitor.start_component("Comms")
             self._flush_pending_comms()
+            self.perf_monitor.end_component("Comms")
+
+            self.perf_monitor.start_component("Telemetry")
             self._update_telemetry_panel()
+            self.perf_monitor.end_component("Telemetry")
 
             self.perf_monitor.end_frame()
             dpg.render_dearpygui_frame()

performance_monitor.py

@@ -26,6 +26,10 @@ class PerformanceMonitor:
         }
         self._last_alert_time = 0
         self._alert_cooldown = 30  # seconds
+
+        # Detailed profiling
+        self._component_timings = {}
+        self._comp_start = {}
         
         # Start CPU usage monitoring thread
         self._stop_event = threading.Event()
@@ -46,6 +50,14 @@ class PerformanceMonitor:
     def record_input_event(self):
         self._last_input_time = time.time()
 
+    def start_component(self, name: str):
+        self._comp_start[name] = time.time()
+
+    def end_component(self, name: str):
+        if name in self._comp_start:
+            elapsed = (time.time() - self._comp_start[name]) * 1000.0
+            self._component_timings[name] = elapsed
+
     def end_frame(self):
         if self._start_time is None:
             return
@@ -92,12 +104,20 @@ class PerformanceMonitor:
         with self._cpu_lock:
             cpu_usage = self._cpu_usage
             
-        return {
+        metrics = {
             'last_frame_time_ms': self._last_frame_time,
             'fps': self._fps,
             'cpu_percent': cpu_usage,
-            'input_lag_ms': self._input_lag_ms
+            'input_lag_ms': self._last_input_time if self._last_input_time else 0.0 # Wait, this should be the calculated lag
         }
+        # Oops, fixed the input lag logic in previous turn, let's keep it consistent
+        metrics['input_lag_ms'] = self._input_lag_ms
+        
+        # Add detailed timings
+        for name, elapsed in self._component_timings.items():
+            metrics[f'time_{name}_ms'] = elapsed
+            
+        return metrics
 
     def stop(self):
         self._stop_event.set()