Process:
          * active_scheduled_host_check_stats
          * active_scheduled_service_check_stats
          * active_ondemand_host_check_stats
          * active_ondemand_service_check_stats

def _get_active_stats(self, app_stats):
        """
        Process:
          * active_scheduled_host_check_stats
          * active_scheduled_service_check_stats
          * active_ondemand_host_check_stats
          * active_ondemand_service_check_stats
        """
        stats = {}
        app_keys = [
            "active_scheduled_host_check_stats",
            "active_scheduled_service_check_stats",
            "active_ondemand_host_check_stats",
            "active_ondemand_service_check_stats",
        ]
        for app_key in app_keys:
            if app_key not in app_stats.keys():
                continue

            splitted = app_key.split("_")
            metric = "%ss.%s_%s" % (splitted[2], splitted[0], splitted[1])
            (x01, x05, x15) = self._convert_tripplet(app_stats[app_key])
            stats["%s.01" % (metric)] = x01
            stats["%s.05" % (metric)] = x05
            stats["%s.15" % (metric)] = x15

        return stats