host->extension<HostLoad>()->add_activity(&activity);
host->extension<HostLoad>()->update(); // If the system was idle until now, we need to update *before*
// this computation starts running so we can keep track of the
host->extension<HostLoad>()->add_activity(&activity);
host->extension<HostLoad>()->update(); // If the system was idle until now, we need to update *before*
// this computation starts running so we can keep track of the