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fix memory helper

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jxxghp
2025-06-08 21:13:37 +08:00
parent 443ef7d41b
commit 7f8e50f83d
1 changed files with 43 additions and 15 deletions
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58
app/helper/memory.py
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@@ -130,10 +130,14 @@ class MemoryHelper(metaclass=Singleton):
try:
class_objects = self._get_class_memory_usage()
for i, class_info in enumerate(class_objects[:50], 1): # 只显示前50个类
f.write(f"{i:3d}. {class_info['name']:<50} {class_info['size_mb']:>8.2f} MB ({class_info['count']} 个实例)\n")
if class_objects:
for i, class_info in enumerate(class_objects[:50], 1): # 只显示前50个类
f.write(f"{i:3d}. {class_info['name']:<50} {class_info['size_mb']:>8.2f} MB ({class_info['count']} 个实例)\n")
else:
f.write("未找到有效的类实例信息\n")
except Exception as e:
f.write(f"获取类对象信息失败: {e}\n")
logger.error(f"获取类实例信息失败: {e}")
f.write(f"获取类实例信息失败: {e}\n")
# 添加详细的变量内存使用情况
f.write("\n" + "=" * 80 + "\n")
@@ -142,9 +146,13 @@ class MemoryHelper(metaclass=Singleton):
try:
large_variables = self._get_large_variables(100)
for i, var_info in enumerate(large_variables, 1):
f.write(f"{i:3d}. {var_info['name']:<30} {var_info['type']:<15} {var_info['size_mb']:>8.2f} MB\n")
if large_variables:
for i, var_info in enumerate(large_variables, 1):
f.write(f"{i:3d}. {var_info['name']:<30} {var_info['type']:<15} {var_info['size_mb']:>8.2f} MB\n")
else:
f.write("未找到大内存变量\n")
except Exception as e:
logger.error(f"获取大内存变量信息失败: {e}")
f.write(f"获取变量信息失败: {e}\n")
logger.info(f"内存快照已保存: {snapshot_file}, 当前内存使用: {memory_usage / 1024 / 1024:.2f} MB")
@@ -176,26 +184,40 @@ class MemoryHelper(metaclass=Singleton):
获取所有类实例的内存使用情况，按内存大小排序
"""
class_info = {}
processed_count = 0
error_count = 0
# 获取所有对象
all_objects = muppy.get_objects()
logger.debug(f"开始分析 {len(all_objects)} 个对象的类实例内存使用情况")
for obj in all_objects:
# 跳过类对象本身，统计类的实例
if isinstance(obj, type):
continue
# 获取对象的类名
obj_class = type(obj)
class_name = f"{obj_class.__module__}.{obj_class.__name__}" if hasattr(obj_class, '__module__') else obj_class.__name__
try:
# 跳过类对象本身，统计类的实例
if isinstance(obj, type):
continue
# 获取对象的类名 - 这里可能会出错
obj_class = type(obj)
# 安全地获取类名
try:
if hasattr(obj_class, '__module__') and hasattr(obj_class, '__name__'):
class_name = f"{obj_class.__module__}.{obj_class.__name__}"
else:
class_name = str(obj_class)
except Exception as e:
# 如果获取类名失败，使用简单的类型描述
class_name = f"<unknown_class_{id(obj_class)}>"
logger.debug(f"获取类名失败: {e}")
# 计算对象的内存使用
size_bytes = asizeof.asizeof(obj)
if size_bytes < 100: # 跳过太小的对象
continue
size_mb = size_bytes / 1024 / 1024
processed_count += 1
if class_name in class_info:
class_info[class_name]['size_mb'] += size_mb
@@ -206,10 +228,16 @@ class MemoryHelper(metaclass=Singleton):
'size_mb': size_mb,
'count': 1
}
except (OSError, ImportError, AttributeError, TypeError):
# 跳过有问题的对象
except Exception as e:
# 捕获所有可能的异常，包括SQLAlchemy、ORM等框架的异常
error_count += 1
if error_count <= 5: # 只记录前5个错误，避免日志过多
logger.debug(f"分析对象时出错: {e}")
continue
logger.debug(f"类实例分析完成: 处理了 {processed_count} 个对象, 遇到 {error_count} 个错误")
# 按内存大小排序
sorted_classes = sorted(class_info.values(), key=lambda x: x['size_mb'], reverse=True)
return sorted_classes