Remove dependency on time in favor of std::time

Author: serprex

Cargo.lock

@@ -41,7 +41,6 @@ semver = "0.2.2"
 tar = "0.4"
 tempdir = "0.3"
 term = "0.4.4"
-time = "0.1"
 toml = "0.1"
 url = "1.1"
 winapi = "0.2"

Cargo.toml

@@ -22,7 +22,6 @@ extern crate semver;
 extern crate tar;
 extern crate tempdir;
 extern crate term;
-extern crate time;
 extern crate toml;
 extern crate url;
 

src/cargo/lib.rs

@@ -1,11 +1,11 @@
 use std::env;
 use std::fmt;
 use std::mem;
-use time;
+use std::time;
 use std::iter::repeat;
 use std::cell::RefCell;
 
-thread_local!(static PROFILE_STACK: RefCell<Vec<u64>> = RefCell::new(Vec::new()));
+thread_local!(static PROFILE_STACK: RefCell<Vec<time::Instant>> = RefCell::new(Vec::new()));
 thread_local!(static MESSAGES: RefCell<Vec<Message>> = RefCell::new(Vec::new()));
 
 type Message = (usize, u64, String);
@@ -21,7 +21,7 @@ fn enabled_level() -> Option<usize> {
 pub fn start<T: fmt::Display>(desc: T) -> Profiler {
     if enabled_level().is_none() { return Profiler { desc: String::new() } }
 
-    PROFILE_STACK.with(|stack| stack.borrow_mut().push(time::precise_time_ns()));
+    PROFILE_STACK.with(|stack| stack.borrow_mut().push(time::Instant::now()));
 
     Profiler {
         desc: desc.to_string(),
@@ -36,7 +36,8 @@ impl Drop for Profiler {
         };
 
         let start = PROFILE_STACK.with(|stack| stack.borrow_mut().pop().unwrap());
-        let end = time::precise_time_ns();
+        let duration = start.elapsed();
+        let duration_ms = duration.as_secs() * 1000 + (duration.subsec_nanos() / 1000000) as u64;
 
         let stack_len = PROFILE_STACK.with(|stack| stack.borrow().len());
         if stack_len == 0 {
@@ -47,7 +48,7 @@ impl Drop for Profiler {
                     if l != lvl { continue }
                     println!("{} {:6}ms - {}",
                              repeat("    ").take(lvl + 1).collect::<String>(),
-                             time / 1000000, msg);
+                             time, msg);
 
                     print(lvl + 1, &msgs[last..i], enabled);
                     last = i;
@@ -56,14 +57,14 @@ impl Drop for Profiler {
             }
             MESSAGES.with(|msgs_rc| {
                 let mut msgs = msgs_rc.borrow_mut();
-                msgs.push((0, end - start,
+                msgs.push((0, duration_ms,
                            mem::replace(&mut self.desc, String::new())));
                 print(0, &msgs, enabled);
             });
         } else {
             MESSAGES.with(|msgs| {
                 let msg = mem::replace(&mut self.desc, String::new());
-                msgs.borrow_mut().push((stack_len, end - start, msg));
+                msgs.borrow_mut().push((stack_len, duration_ms, msg));
             });
         }
     }