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AM437X SDK V5.2内核版本4.14.79实时性波动大

Other Parts Discussed in Thread: AM4377

您好!

       我这边硬件上使用的是TI的ARM AM4377,软件用的是TI的SDK 5.2,内核版本为PREEMPT RT 4.14.79,如下图所示:

      

   我这边做Ethercat主站,运行起来主站之后,主站这边监测到实时系统的波动最大值达到了225138ns,超过了主站同步周期1ms的20%,导致主站这边一直在报警告。

请问这个实时系统波动性怎么会这个大呢,是不是哪里没有配置好,谢谢!