1，提高串口波特率--实测有效果
2，修改log日志--配置文件中修改
3，修改采样频率--simple time
下面是官方给出的说明，可以仔细阅读查看。
- Specify the Logging buffer size in bytes. Ensure that the logging
buffer size is large enough if you are logging more number of signals
or logging at faster rates. - Enable the Use a dedicated timer to improve time stamp accuracy
parameter if you want to use dedicated timer to log data in real
time. If this parameter is not selected, data is logged with
simulation time.
Signal Monitoring and Parameter Tuning Over XCP on Serial and TCP/IP