diff --git a/planning/planning_debug_tools/scripts/processing_time_checker.py b/planning/planning_debug_tools/scripts/processing_time_checker.py
index 3b80ce4e5588f..fa6bc57fb7ae5 100755
--- a/planning/planning_debug_tools/scripts/processing_time_checker.py
+++ b/planning/planning_debug_tools/scripts/processing_time_checker.py
@@ -16,6 +16,7 @@
 
 
 import argparse
+from collections import deque
 import os
 import sys
 
@@ -25,11 +26,28 @@
 
 
 class ProcessingTimeSubscriber(Node):
-    def __init__(self, max_display_time=150, display_frequency=5.0):
+    def __init__(
+        self,
+        max_display_time=150,
+        display_frequency=5.0,
+        window_size=1,
+        bar_scale=2,
+        display_character="|",
+    ):
         super().__init__("processing_time_subscriber")
         self.data_map = {}  # {topic_name: data_value}
+        self.data_queue_map = {}  # {topic_name: deque}
+        self.window_size = window_size
         self.max_display_time = max_display_time
+        self.bar_scale = bar_scale
+        self.display_character = display_character
+
+        # Initialize a set to keep track of subscribed topics
+        self.subscribed_topics = set()
+
+        # Call get_topic_list immediately and set a timer to call it regularly
         self.get_topic_list()
+        self.create_timer(1.0, self.get_topic_list)  # update topic list every 1 second
 
         # Timer to print data at given frequency
         self.create_timer(1.0 / display_frequency, self.print_data)
@@ -40,14 +58,22 @@ def get_topic_list(self):
 
         # Subscribe to topics with 'processing_time_ms' suffix
         for topic, types in topic_list:
-            if topic.endswith("processing_time_ms"):
+            if topic.endswith("processing_time_ms") and topic not in self.subscribed_topics:
                 self.create_subscription(
                     Float64Stamped, topic, lambda msg, topic=topic: self.callback(msg, topic), 1
                 )
                 self.get_logger().info(f"Subscribed to {topic} | Type: {types}")
+                self.subscribed_topics.add(topic)
 
     def callback(self, msg, topic):
-        self.data_map[topic] = msg.data
+        # Add the new data to the queue
+        if topic not in self.data_queue_map:
+            self.data_queue_map[topic] = deque(maxlen=self.window_size)
+        self.data_queue_map[topic].append(msg.data)
+
+        # Calculate the average
+        avg_value = sum(self.data_queue_map[topic]) / len(self.data_queue_map[topic])
+        self.data_map[topic] = avg_value
 
     def print_data(self):
         # Clear terminal
@@ -61,9 +87,9 @@ def print_data(self):
         max_topic_length = max(map(len, self.data_map.keys()))
 
         # Generate the header based on the max_display_time
-        header_str = "topics".ljust(max_topic_length) + ":"
-        for i in range(0, self.max_display_time + 1, 20):
-            header_str += f" {i}ms".ljust(20)
+        header_str = f"topics (window size = {self.window_size})".ljust(max_topic_length) + ":"
+        for i in range(0, self.max_display_time + 1, 10):
+            header_str += f" {i}ms".ljust(self.bar_scale * 10)
 
         # Print the header
         print(header_str)
@@ -74,8 +100,12 @@ def print_data(self):
             # Round the data to the third decimal place for display
             data_rounded = round(data, 3)
             # Calculate the number of bars to be displayed (clamped to max_display_time)
-            num_bars = int(min(data, self.max_display_time - 1)) + 1
-            print(f"{topic.ljust(max_topic_length)}: {'|' * num_bars} ({data_rounded}ms)")
+            num_bars = (
+                int(min(data * self.bar_scale, self.max_display_time * self.bar_scale - 1)) + 1
+            )  # Convert bar_scale's reciprocal to milliseconds
+            print(
+                f"{topic.ljust(max_topic_length)}: {self.display_character * num_bars}        [{data_rounded}ms]"
+            )
 
 
 def main(args=None):
@@ -84,16 +114,37 @@ def main(args=None):
 
     parser = argparse.ArgumentParser(description="Processing Time Subscriber Parameters")
     parser.add_argument(
-        "-m", "--max_display_time", type=int, default=150, help="Maximum display time in ms"
+        "-m", "--max_display_time", type=int, default=50, help="Maximum display time in ms"
     )
     parser.add_argument(
         "-f", "--display_frequency", type=float, default=5.0, help="Display frequency in Hz"
     )
+    parser.add_argument(
+        "-w", "--window_size", type=int, default=5, help="Number of samples to average"
+    )
+    parser.add_argument(
+        "-bs",
+        "--bar_scale",
+        type=int,
+        default=2,
+        help="Number of bars per second. Default is 2 bars per second.",
+    )
+    parser.add_argument(
+        "-dc",
+        "--display_character",
+        type=str,
+        default="|",
+        help="Character to use for the display. Default is '|'.",
+    )
     args = parser.parse_args()
 
     rclpy.init(args=cmd_args)  # Use the original command line arguments here
     subscriber = ProcessingTimeSubscriber(
-        max_display_time=args.max_display_time, display_frequency=args.display_frequency
+        max_display_time=args.max_display_time,
+        display_frequency=args.display_frequency,
+        window_size=args.window_size,
+        bar_scale=args.bar_scale,
+        display_character=args.display_character,
     )
     rclpy.spin(subscriber)
     subscriber.destroy_node()