cache cleared

proc/sys/vm/drop_caches.rs

@@ -0,0 +1,11 @@
+use std::fs::File;
+use std::io::{Write, BufWriter};
+
+fn main() {
+    // Open the `drop_caches` file
+    let file = File::open("/proc/sys/vm/drop_caches").expect("Failed to open file");
+
+    // Write the value 3 to the file to clear the cache
+    let mut writer = BufWriter::new(file);
+    writer.write_all(b"3").expect("Failed to write to file");
+}