Checkpoint

common/cpu-cycle/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "cpu-cycle"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+libc = "0.2"

common/cpu-cycle/src/lib.rs

@@ -0,0 +1,19 @@
+use libc::c_int;
+
+#[link(name = "cpucycles")]
+extern "C" {
+    fn cpucycles() -> c_int;
+}
+
+#[cfg(test)]
+mod test {
+    use crate::cpucycles;
+
+    #[test]
+    fn test_cpucycles() {
+        unsafe {
+            let cycles = cpucycles();
+            println!("{cycles}")
+        }
+    }
+}