Add memory_usage entrypoint script

tracetools_analysis/setup.py

@@ -43,7 +43,8 @@ setup(
         'console_scripts': [
             f'convert = {package_name}.convert:main',
             f'process = {package_name}.process:main',
-            f'cb_durations = {package_name}.scripts.cb_durations:main'
+            f'cb_durations = {package_name}.scripts.cb_durations:main',
+            f'memory_usage = {package_name}.scripts.memory_usage:main',
         ],
     },
     license='Apache 2.0',

tracetools_analysis/tracetools_analysis/scripts/memory_usage.py

@@ -0,0 +1,67 @@
+# Copyright 2019 Apex.AI, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import sys
+
+import pandas as pd
+
+from tracetools_analysis.loading import load_file
+from tracetools_analysis.processor import Processor
+from tracetools_analysis.processor.memory_usage import MemoryUsageHandler
+from tracetools_analysis.processor.ros2 import Ros2Handler
+from tracetools_analysis.utils.memory_usage import MemoryUsageDataModelUtil
+from tracetools_analysis.utils.ros2 import Ros2DataModelUtil
+
+
+# From: https://stackoverflow.com/a/32009595/6476709
+def format_memory_size(size: int, precision: int = 2):
+    suffixes = ['B', 'KB', 'MB', 'GB', 'TB']
+    suffixIndex = 0
+    while size > 1024 and suffixIndex < 4:
+        # Increment the index of the suffix
+        suffixIndex += 1
+        # Apply the division
+        size = size / 1024.0
+    return f'{size:.{precision}f} {suffixes[suffixIndex]}'
+
+
+def main():
+    if len(sys.argv) < 2:
+        print('Syntax: <converted tracefile>')
+        sys.exit(-1)
+    file_path = sys.argv[1]
+
+    events = load_file(file_path)
+    memory_handler = MemoryUsageHandler()
+    ros2_handler = Ros2Handler()
+    Processor(memory_handler, ros2_handler).process(events)
+
+    memory_data_util = MemoryUsageDataModelUtil(memory_handler.data)
+    ros2_data_util = Ros2DataModelUtil(ros2_handler.data)
+
+    memory_usage_dfs = memory_data_util.get_absolute_memory_usage_by_tid()
+    tids = ros2_data_util.get_tids()
+
+    data = [
+        [
+            tid,
+            ros2_data_util.get_node_names_from_tid(tid),
+            format_memory_size(memory_usage['memory_usage'].max(), precision=1),
+        ]
+        for tid, memory_usage in memory_usage_dfs.items()
+        if tid in tids
+    ]
+
+    summary_df = pd.DataFrame(data, columns=['tid', 'node_names', 'max_memory_usage'])
+    print('\n\n' + summary_df.to_string(index=False))