diff --git a/plot_combined.py b/plot_combined.py
index b668eb7..f0d1ff1 100644
--- a/plot_combined.py
+++ b/plot_combined.py
@@ -235,6 +235,15 @@ def plot_combined(alsa_file, perf_file, latency_file, out_path):
         ax2.plot(perf_aligned, sample_means, label="sample mean", linewidth=1, alpha=0.8, color='green')
         ax2.plot(perf_aligned, write_means, label="write mean", linewidth=1, alpha=0.8, color='orange')
         ax2.plot(perf_aligned, loop_means, label="loop mean", linewidth=1, alpha=0.8, color='red')
+        
+        # Add moving average for loop mean
+        if len(loop_means) >= 10:
+            window_size = min(50, len(loop_means) // 10)
+            moving_avg = np.convolve(loop_means, np.ones(window_size)/window_size, mode='valid')
+            ma_seconds = perf_aligned[window_size-1:]
+            ax2.plot(ma_seconds, moving_avg, label=f"loop mean moving avg (window={window_size})", 
+                    linewidth=2, color='darkred', alpha=0.9)
+        
         ax2.set_ylabel("Duration (ms)")
         ax2.set_title("Performance Metrics")
         ax2.legend()