test(opcua): package cross-platform lifecycle memory controls

2026-11-10 14:16:57 -05:00
parent a1f5028fe6
commit 6f793d2521
12 changed files with 2023 additions and 0 deletions
@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+"""Emit mapping-category totals without path names from local Linux /proc/PID/smaps."""
+import argparse
+from collections import defaultdict
+import json
+from pathlib import Path
+import re
+
+HEADER = re.compile(r"^[0-9a-f]+-[0-9a-f]+\s+(\S+)\s+\S+\s+\S+\s+\S+\s*(.*)$")
+METRIC = re.compile(r"^(Size|Rss|Pss|Private_Dirty|Private_Clean|Anonymous):\s+(\d+) kB$")
+
+
+def summarize(path):
+    groups = defaultdict(lambda: defaultdict(int))
+    group = None
+    for line in path.read_text().splitlines():
+        header = HEADER.match(line)
+        if header:
+            permissions, name = header.groups()
+            if "doublemapper" in name:
+                group = "jit-doublemapper"
+            elif name == "[heap]":
+                group = "native-heap"
+            elif name.startswith("[stack"):
+                group = "stack"
+            elif not name:
+                group = "anonymous-exec" if "x" in permissions else "anonymous-write" if "w" in permissions else "anonymous-read"
+            elif name.endswith(".dll"):
+                group = "managed-assembly-files"
+            elif ".so" in name:
+                group = "native-library-files"
+            elif name.startswith("["):
+                group = "other-kernel-mappings"
+            else:
+                group = "other-files"
+        elif group and (metric := METRIC.match(line)):
+            groups[group][metric[1]] += int(metric[2]) * 1024
+    return dict(groups)
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument("files", nargs="+", type=Path)
+    args = parser.parse_args()
+    print(json.dumps([{"sample": index, "groups": summarize(path)} for index, path in enumerate(args.files)], indent=2))