From 9ff33a028da3417505f3ef91a9d29b6f43738e05 Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Fri, 21 Jun 2024 08:08:17 +0200
Subject: Adding logging

---
 src/argaze/DataFeatures.py                        |  5 +++
 src/argaze/utils/demo/aruco_markers_pipeline.json |  8 ++++
 src/argaze/utils/demo/recorders.py                | 50 +++++++++++++++++++++++
 3 files changed, 63 insertions(+)

diff --git a/src/argaze/DataFeatures.py b/src/argaze/DataFeatures.py
index 0d1e351..66eaba1 100644
--- a/src/argaze/DataFeatures.py
+++ b/src/argaze/DataFeatures.py
@@ -856,6 +856,8 @@ def PipelineStepAttributeSetter(method):
 def PipelineStepMethod(method):
 	"""Define a decorator use into PipelineStepObject class to declare pipeline method."""
 
+	logging.debug("@PipelineStepMethod: %s method notify observers and timestamped exceptions", method.__name__)
+
 	def wrapper(self, *args, timestamp: int | float = None, unwrap: bool = False, **kwargs):
 		"""Wrap pipeline step method to notify observers and timestamped exceptions.
 
@@ -865,6 +867,7 @@ def PipelineStepMethod(method):
 			timestamp: optional method call timestamp (unit doesn't matter) if first args parameter is not a TimestampedObject instance.
 			unwrap: extra arguments used in wrapper function to call wrapped method directly.
 		"""
+
 		if timestamp is None and len(args) > 0:
 
 			try:
@@ -1289,6 +1292,8 @@ class PipelineStepObject():
 
 		subscription_name = f'on_{signal}'
 
+		logging.debug('%s.send_signal %s', get_class_path(self), subscription_name)
+
 		for observer in self.observers:
 
 			# Does the observer cares about this method?
diff --git a/src/argaze/utils/demo/aruco_markers_pipeline.json b/src/argaze/utils/demo/aruco_markers_pipeline.json
index 48071ab..05e6d1f 100644
--- a/src/argaze/utils/demo/aruco_markers_pipeline.json
+++ b/src/argaze/utils/demo/aruco_markers_pipeline.json
@@ -119,6 +119,14 @@
                 "angle_tolerance": 15.0,
                 "distance_tolerance": 2.54
             }
+        },
+        "observers": {
+            "recorders.LookPerformanceRecorder": {
+                "path": "_export/records/look_performance.csv"
+            },
+            "recorders.WatchPerformanceRecorder": {
+                "path": "_export/records/watch_performance.csv"
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/src/argaze/utils/demo/recorders.py b/src/argaze/utils/demo/recorders.py
index b958cd3..82af7e5 100644
--- a/src/argaze/utils/demo/recorders.py
+++ b/src/argaze/utils/demo/recorders.py
@@ -22,6 +22,56 @@ import logging
 from argaze import DataFeatures, GazeFeatures
 from argaze.utils import UtilsFeatures
 
+class LookPerformanceRecorder(UtilsFeatures.FileWriter):
+
+	def __init__(self, **kwargs):
+
+		super().__init__(**kwargs)
+
+		self.header = "Timestamp (ms)", "Time (ms)", "Frequency (Hz)"
+
+		logging.info('%s writes into %s', DataFeatures.get_class_path(self), self.path)
+
+	def on_look(self, timestamp, frame, exception):
+		"""Log frame look execution performance."""
+
+		time, frequency = frame.execution_info('look')
+
+		print('LookPerformanceRecorder', time, frequency)
+
+		log = (
+			timestamp,
+			time * 1e3,
+			frequency
+		)
+
+		self.write(log)
+
+class WatchPerformanceRecorder(UtilsFeatures.FileWriter):
+
+	def __init__(self, **kwargs):
+
+		super().__init__(**kwargs)
+
+		self.header = "Timestamp (ms)", "Time (ms)", "Frequency (Hz)"
+
+		logging.info('%s writes into %s', DataFeatures.get_class_path(self), self.path)
+
+	def on_watch(self, timestamp, camera, exception):
+		"""Log camera watch execution performance."""
+
+		time, frequency = camera.execution_info('watch')
+
+		print('WatchPerformanceRecorder', time, frequency)
+
+		log = (
+			timestamp,
+			time * 1e3,
+			frequency
+		)
+
+		self.write(log)
+
 class FixationRecorder(UtilsFeatures.FileWriter):
 
 	def __init__(self, **kwargs):
-- 
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