82 lines
2.3 KiB
Python
82 lines
2.3 KiB
Python
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#!/usr/bin/env python3
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from pathlib import Path
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import re
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from collections import defaultdict
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ROOT = Path(__file__).resolve().parents[1]
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text = (ROOT / "build" / "ESP32_COMM.map").read_text(encoding="utf-8", errors="replace")
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rows = []
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lines = text.splitlines()
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i = 0
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while i < len(lines):
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line = lines[i]
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m = re.match(r"^\s*\.bss\.(\S+)\s*$", line)
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m2 = re.match(r"^\s*\.bss\.(\S+)\s+(0x[0-9a-fA-F]+)\s+(0x[0-9a-fA-F]+)", line)
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if m2:
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rows.append((int(m2.group(3), 16), m2.group(1), ""))
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elif m:
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name = m.group(1)
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j = i + 1
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while j < len(lines) and j < i + 5:
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l2 = lines[j]
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mm = re.match(r"^\s+(0x[0-9a-fA-F]+)\s+(0x[0-9a-fA-F]+)\s+(\S+)", l2)
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if mm:
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rows.append((int(mm.group(2), 16), name, mm.group(3)))
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break
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if re.match(r"^\s*\.", l2) and not l2.strip().startswith(".bss"):
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break
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j += 1
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i += 1
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def demangle(n: str) -> str:
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n = n.replace("_ZN12_GLOBAL__N_1L", "")
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n = n.replace("_ZL", "")
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if n.startswith("_ZZ"):
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n = "local:" + n[3:50]
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return n[:55]
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cats = defaultdict(int)
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app = []
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for size, name, obj in rows:
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o = (obj or "").lower()
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if "libmain" in o:
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cat = "app(main)"
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app.append((size, name, obj))
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elif "libfreertos" in o:
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cat = "freertos"
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elif "liblwip" in o:
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cat = "lwip"
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elif any(x in o for x in ("libnet80211", "libpp", "libwpa", "libmesh")):
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cat = "wifi/mesh"
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elif any(x in o for x in ("libnimble", "libbt", "bt.", "ble_")):
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cat = "ble"
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elif any(
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x in name
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for x in ("g_cnx", "gWpa", "g_ic", "g_pm", "gChm", "gScan", "g_mesh", "mesh_")
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):
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cat = "wifi/mesh(sym)"
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else:
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cat = "other/idf"
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cats[cat] += size
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print("=== category ===")
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for k, v in sorted(cats.items(), key=lambda x: -x[1]):
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print(f"{v/1024:6.2f} KB {k}")
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print(f"{sum(cats.values())/1024:6.2f} KB TOTAL")
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print("\n=== app(main) ===")
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app.sort(reverse=True)
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s = 0
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for size, name, obj in app:
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s += size
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print(f"{size:5d} {demangle(name)}")
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print(f"app sum {s} ({s/1024:.2f} KB)")
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print("\n=== top 20 overall ===")
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rows.sort(reverse=True)
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for size, name, obj in rows[:20]:
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short = obj.split("/")[-1] if obj else "?"
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print(f"{size:5d} ({size/1024:5.2f}K) {demangle(name):45s} {short[:28]}")
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