if (activity.get_host_number() == 1) { // We only run on one host
simgrid::s4u::Host* host = activity.get_host();
const simgrid::s4u::VirtualMachine* vm = dynamic_cast<simgrid::s4u::VirtualMachine*>(host);
if (activity.get_host_number() == 1) { // We only run on one host
simgrid::s4u::Host* host = activity.get_host();
const simgrid::s4u::VirtualMachine* vm = dynamic_cast<simgrid::s4u::VirtualMachine*>(host);