treewide: set up Hotpath for benchmarking individual allocations

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I0351e5753996e6d0391fc9e2f329878a6a6a6964

src/uptime.rs

@@ -1,5 +1,6 @@
 use std::{io, mem::MaybeUninit};
 
+#[cfg_attr(feature = "hotpath", hotpath::measure)]
 pub fn get_current() -> Result<String, io::Error> {
   let uptime_seconds = {
     let mut info = MaybeUninit::uninit();