From 1a0943c9604b77c643f076ea5722b6da00a07bba Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Wed, 9 Jul 2025 10:00:20 -1000
Subject: [PATCH] add component symbols

---
 esphome/analyze_memory.py | 48 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/esphome/analyze_memory.py b/esphome/analyze_memory.py
index 6bc0e0bebf..95ec0d2214 100644
--- a/esphome/analyze_memory.py
+++ b/esphome/analyze_memory.py
@@ -945,6 +945,9 @@ class MemoryAnalyzer:
         self._esphome_core_symbols: list[
             tuple[str, str, int]
         ] = []  # Track core symbols
+        self._component_symbols: dict[str, list[tuple[str, str, int]]] = defaultdict(
+            list
+        )  # Track symbols for all components
 
     def analyze(self) -> dict[str, ComponentMemory]:
         """Analyze the ELF file and return component memory usage."""
@@ -1110,6 +1113,13 @@ class MemoryAnalyzer:
                     demangled = self._demangle_symbol(symbol_name)
                     self._esphome_core_symbols.append((symbol_name, demangled, size))
 
+                # Track all component symbols for detailed analysis
+                if size > 0:
+                    demangled = self._demangle_symbol(symbol_name)
+                    self._component_symbols[component].append(
+                        (symbol_name, demangled, size)
+                    )
+
     def _identify_component(self, symbol_name: str) -> str:
         """Identify which component a symbol belongs to."""
         # Demangle C++ names if needed
@@ -1464,6 +1474,44 @@ class MemoryAnalyzer:
 
             lines.append("=" * table_width)
 
+        # Add detailed analysis for top 5 ESPHome components
+        esphome_components = [
+            (name, mem)
+            for name, mem in components
+            if name.startswith("[esphome]") and name != "[esphome]core"
+        ]
+        top_esphome_components = sorted(
+            esphome_components, key=lambda x: x[1].flash_total, reverse=True
+        )[:5]
+
+        if top_esphome_components:
+            for comp_name, comp_mem in top_esphome_components:
+                comp_symbols = self._component_symbols.get(comp_name, [])
+                if comp_symbols:
+                    lines.append("")
+                    lines.append("=" * table_width)
+                    lines.append(f"{comp_name} Detailed Analysis".center(table_width))
+                    lines.append("=" * table_width)
+                    lines.append("")
+
+                    # Sort symbols by size
+                    sorted_symbols = sorted(
+                        comp_symbols, key=lambda x: x[2], reverse=True
+                    )
+
+                    lines.append(f"Total symbols: {len(sorted_symbols)}")
+                    lines.append(f"Total size: {comp_mem.flash_total:,} B")
+                    lines.append("")
+                    lines.append(f"Top 10 Largest {comp_name} Symbols:")
+
+                    MAX_SYMBOL_LENGTH = 80
+                    for i, (symbol, demangled, size) in enumerate(sorted_symbols[:10]):
+                        lines.append(
+                            f"{i + 1}. {demangled[:MAX_SYMBOL_LENGTH]} ({size:,} B)"
+                        )
+
+                    lines.append("=" * table_width)
+
         return "\n".join(lines)
 
     def to_json(self) -> str: