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Update mq_delay功能介绍.md
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albertxu216 committed Apr 11, 2024
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为了对进程间通过消息队列通信时,发送消息、接手消息以及处于等待状态所用时间进行监测,cpuwatcher工具增添mq_delay工具。

![消息队列发送接收流程图](image/消息队列发送接收流程图.png)
![image_mq](image/image_mq.png)

以上是发送进程发送,接收进程接收的具体过程。本工具通过跟踪单个的消息块(struct msg_msg结构体)来监测发送时延、接收时延以及等待时延。

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