Method start

src/utils/gpu_monitor.py:100–138

启动显存监控 Returns: bool: 是否成功启动

(self)

            pass
    
    def start(self):
        """
        启动显存监控
        
        Returns:
            bool: 是否成功启动
        """
        if self._running:
            # print(f"GPU {self.gpu_index} 监控已经在运行中")
            return False
        
        try:
            # 重置峰值数据
            with self._lock:
                self.peak_memory_usage = 0
            
            # 记录开始时间
            self.start_time = datetime.now()
            
            # 启动监控线程
            self._running = True
            self.monitor_thread = threading.Thread(target=self._monitor_loop)
            self.monitor_thread.daemon = True
            self.monitor_thread.start()
            
            # 验证线程已启动
            time.sleep(0.1)
            if self.monitor_thread.is_alive():
                # print(f"GPU {self.gpu_index} 监控已启动")
                return True
            else:
                self._running = False
                # print(f"GPU {self.gpu_index} 监控线程启动失败")
                return False
                
        except Exception as e:
            print(f"启动GPU {self.gpu_index} 监控失败: {e}")
            self._running = False
            return False
    
    def stop(self, verbose=False):
        """