move some tools back to root (#38235)

tools/scripts/mem_usage.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+import argparse
+import os
+import sys
+
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
+
+from openpilot.selfdrive.test.mem_usage import DEMO_ROUTE, print_report
+from openpilot.tools.lib.logreader import LogReader
+
+
+if __name__ == "__main__":
+  parser = argparse.ArgumentParser(description="Analyze memory usage from route logs")
+  parser.add_argument("route", nargs="?", default=None, help="route ID or local rlog path")
+  parser.add_argument("--demo", action="store_true", help=f"use demo route ({DEMO_ROUTE})")
+  args = parser.parse_args()
+
+  if args.demo:
+    route = DEMO_ROUTE
+  elif args.route:
+    route = args.route
+  else:
+    parser.error("provide a route or use --demo")
+
+  print(f"Reading logs from: {route}")
+
+  proc_logs = []
+  device_states = []
+  for msg in LogReader(route):
+    if msg.which() == 'procLog':
+      proc_logs.append(msg)
+    elif msg.which() == 'deviceState':
+      device_states.append(msg)
+
+  print_report(proc_logs, device_states)