See all functions hookoing into login_redirect hook

my_hook_analizer_widget_function.php

<?php

// Copy from below here...

/*
 * See all functions hookoing into login_redirect hook
 */
function my_hook_analizer_widget_function( $post, $callback_args ) {
	print_filters_for( 'login_redirect' );
}

function print_filters_for( $hook = '' ) {
	global $wp_filter;
	if( empty( $hook ) || !isset( $wp_filter[$hook] ) )
		return;
    	print '<pre>';
	print_r( $wp_filter[$hook] );
    	print '</pre>';
}
/**
 * Add widget to dashboard
 */
function my_hook_analizer_dashboard_widgets() {
	wp_add_dashboard_widget( 'my_hook_analizer', 'Hook Analizer', 'my_hook_analizer_widget_function' );
}

// Set up widget widget.
add_action( 'wp_dashboard_setup', 'my_hook_analizer_dashboard_widgets' );