HTTP::Engine::Middleware::Profile - stopwatch for request processing time

    my $mw = HTTP::Engine::Middleware->new;
    $mw->install( 'HTTP::Engine::Middleware::Profile' => {
        logger => sub {
            warn @_;
        },
    });
    HTTP::Engine->new(
        interface => {
            module => 'YourFavoriteInterfaceHere',
            request_handler => $mw->handler( \&handler ),
        }
    )->run();

This module profile request processing time.

dann