[Qemu-devel] Printf message in QEMU source code

I wanted to provide some printf statement in QEMU source code in order to debug some issue but not sure where do I see these printf statements? I have looked into following post but it is without any answers Debugging Qemu Source Code and not Kernel Source Code

[Qemu-devel] Printf message in QEMU source code

I wanted to provide some printf statement in QEMU source code in order to debug some issue but not sure where do I see these printf statements? I have looked into following post but it is without any answers Debugging Qemu Source Code and not Kernel Source Code