exec_time

Attribute macro for printing function execution time.

Install

[dependencies]
exec_time = "0.1.4"

MSRV: Rust 1.88.

Example

use exec_time::exec_time;

#[exec_time]
fn login() {
    std::thread::sleep(std::time::Duration::from_millis(100));
}

fn main() {
    login();
}

Time login: 102 ms

Options

• print = "always": print in all builds. Default.
• print = "debug": print only in debug builds.
• print = "never": disable printing.
• prefix = "...": prepend a label before the function name.
• suffix = "...": append a label after the function name.

Custom Label

use exec_time::exec_time;

#[exec_time(prefix = "user/lib", suffix = "route")]
fn login() {
    std::thread::sleep(std::time::Duration::from_millis(100));
}

Time user/lib::login::route: 102 ms