Controlling View access for SharePoint developer dashboard and How vo make it visible to anonymous users

For enabling dashboard through code use

            SPDeveloperDashboardSettings settings =
     SPWebService.ContentService.DeveloperDashboardSettings;
     settings.DisplayLevel = SPDeveloperDashboardLevel.OnDemand; // ON or OFF 
     Settings.TraceEnabled = true;
     settings.Update();

for controlling access use

            SPDeveloperDashboardSettings settings =
                           SPWebService.ContentService.DeveloperDashboardSettings;
            settings.DisplayLevel = SPDeveloperDashboardLevel.On;
            settings.RequiredPermissions = SPBasePermissions.EmptyMask;//you can select any permission level here as required
            Settings.TraceEnabled = true;
            settings.Update();