Do you have any link to something that does it? I’ve not been able to find anything. And the things I’m trying to optimize is 50ns -> 10ns so I’d need to be car

Do you have any link to something that does it? I’ve not been able to find anything. And the things I’m trying to optimize is 50ns -> 10ns so I’d need to be careful about the overhead but hopefully it can be set to a mode that only does it for instrumented functions I’m trying to profile rather than all entry/exit