| from sqlalchemy import Column, BigInteger, DateTime, String, Float, func |
| from sqlalchemy.ext.declarative import declarative_base |
| |
| Base = declarative_base() |
| |
| class PerformanceData(Base): |
| __tablename__ = 'performance_data' |
| |
| id = Column(BigInteger, primary_key=True, autoincrement=True) |
| record_time = Column(DateTime, nullable=False, server_default=func.now(), comment='记录时间') |
| endpoint = Column(String(255), nullable=True, comment='请求接口路径') |
| elapsed_time = Column(Float, nullable=False, comment='总耗时（秒）') |
| cpu_user = Column(Float, nullable=False, comment='用户态 CPU 时间差（秒）') |
| cpu_system = Column(Float, nullable=False, comment='系统态 CPU 时间差（秒）') |
| memory_rss = Column(BigInteger, nullable=False, comment='RSS 内存增量（字节）') |