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Code Issues Releases Wiki Activity

fix

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This commit is contained in:
J. Nick Koston
2025-10-17 15:26:55 -10:00
parent 5e9b972831
commit 922c2bcd5a
2 changed files with 35 additions and 11 deletions
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36
esphome/analyze_memory/__init__.py
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@@ -289,20 +289,26 @@ class MemoryAnalyzer:
# Try to find the appropriate c++filt for the platform
cppfilt_cmd = "c++filt"
_LOGGER.warning("Demangling %d symbols", len(symbols))
_LOGGER.warning("objdump_path = %s", self.objdump_path)
# Check if we have a toolchain-specific c++filt
if self.objdump_path and self.objdump_path != "objdump":
# Replace objdump with c++filt in the path
potential_cppfilt = self.objdump_path.replace("objdump", "c++filt")
_LOGGER.warning("Checking for toolchain c++filt at: %s", potential_cppfilt)
if Path(potential_cppfilt).exists():
cppfilt_cmd = potential_cppfilt
_LOGGER.warning("Using toolchain c++filt: %s", cppfilt_cmd)
_LOGGER.warning("✓ Using toolchain c++filt: %s", cppfilt_cmd)
else:
_LOGGER.warning(
"Toolchain c++filt not found at %s, using system c++filt",
"✗ Toolchain c++filt not found at %s, using system c++filt",
potential_cppfilt,
)
else:
_LOGGER.warning("Using system c++filt (objdump_path=%s)", self.objdump_path)
_LOGGER.warning(
"✗ Using system c++filt (objdump_path=%s)", self.objdump_path
)
try:
# Send all symbols to c++filt at once
@@ -316,15 +322,35 @@ class MemoryAnalyzer:
if result.returncode == 0:
demangled_lines = result.stdout.strip().split("\n")
# Map original to demangled names
failed_count = 0
for original, demangled in zip(symbols, demangled_lines):
self._demangle_cache[original] = demangled
# Log symbols that failed to demangle (stayed the same)
if original == demangled and original.startswith("_Z"):
_LOGGER.debug("Failed to demangle symbol: %s", original)
failed_count += 1
if failed_count <= 5: # Only log first 5 failures
_LOGGER.warning("Failed to demangle: %s", original[:100])
if failed_count > 0:
_LOGGER.warning(
"Failed to demangle %d/%d symbols using %s",
failed_count,
len(symbols),
cppfilt_cmd,
)
else:
_LOGGER.warning(
"Successfully demangled all %d symbols", len(symbols)
)
return
_LOGGER.warning(
"c++filt exited with code %d: %s",
result.returncode,
result.stderr[:200] if result.stderr else "(no error output)",
)
except (subprocess.SubprocessError, OSError, UnicodeDecodeError) as e:
# On error, cache originals
_LOGGER.debug("Failed to batch demangle symbols: %s", e)
_LOGGER.warning("Failed to batch demangle symbols: %s", e)
# If demangling failed, cache originals
for symbol in symbols: