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I want to have a subscriber that is able to print the rate at which a message is being sent using C++, what is the best way to do it?

The subscriber works in a really slower rate than the publisher.

Edit :

The subscriber is defined in a different process that has its own loop rate and the publisher has its own loop rate too, so basically, the callback function of a subscriber is called when a message is published but with a maximum rate of the loop of the subscriber process. (I don't know if I've explained myself well)

Well, we want to get the rate as an information value, we work with drones and sometimes it's important to us to know th

That's a good approach, but the publisher rate is unknown to me and I don't want to create a node with a high spin rate

Yes, I know about that command, but what I'm trying to do is an interface that shows specific information to the user. I

How can I know the rate the publisher is sending a msg with c++? I want to have a subscriber that is able to print the r

Unable to do a rosservice call from a client machine to a server machine. I have just configured everything to communica