添加启动用时统计

src/main.rs

@@ -1,9 +1,10 @@
-use std::{io, fs, fmt, os, path, process};
+use std::{io, fs, fmt, os, path, process, time};
 use io::Read;
 use fmt::Display;
 use os::fd::{AsFd, AsRawFd};
 use os::unix::{fs::PermissionsExt, process::CommandExt};
 use path::{Path, PathBuf};
+use std::sync::OnceLock;
 
 use nix::sched::{clone, CloneCb, CloneFlags, setns};
 use nix::sys::{signal::{kill, Signal}, wait::{waitpid, WaitPidFlag}};
@@ -25,6 +26,8 @@ static INFO_FILE: &str = "info.toml";
 static mut STACK: [u8; 1024*1024*1] = [0; 1024*1024*1];
 static CLONE_FLAG: i32 = 0b1101100000000100000000000000000;  // CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWPID | CLONE_NEWIPC | CLONE_NEWNET;
 
+static START_T: OnceLock<time::Instant> = OnceLock::new();
+
 #[derive(Parser, Debug)]
 #[command(version, about, long_about = None)]
 struct RockerArgs {
@@ -348,6 +351,7 @@ fn start(is_wait: bool, cb: CloneCb, clong_flags: CloneFlags, container_id: &Str
                     break;
                 }
             }
+            println!("启动用时: {}ms", START_T.get().unwrap().elapsed().as_millis());
             
             // wait
             if is_wait {
@@ -611,6 +615,9 @@ fn stop_container(containers_id: &str, is_remove: bool) -> Result<()> {
 
 
 fn main() -> Result<()>{
+    START_T.get_or_init(|| {
+        time::Instant::now()
+    });
     let mut args = RockerArgs::parse();
     if args.image.is_some()  || args.restart.is_some() {
         let volume_path;