- on_start(*this);
-
- VmHostExt::ensureVmExtInstalled();
-
- kernel::actor::simcall([this]() {
- Host* pm = this->pimpl_vm_->get_physical_host();
- if (pm->extension<VmHostExt>() == nullptr)
- pm->extension_set(new VmHostExt());
-
- size_t pm_ramsize = pm->extension<VmHostExt>()->ramsize;
- if (pm_ramsize && not pm->extension<VmHostExt>()->overcommit) { /* Need to verify that we don't overcommit */
- /* Retrieve the memory occupied by the VMs on that host. Yep, we have to traverse all VMs of all hosts for that */
- size_t total_ramsize_of_vms = 0;
- for (VirtualMachine* const& ws_vm : kernel::resource::VirtualMachineImpl::allVms_)
- if (pm == ws_vm->get_pm())
- total_ramsize_of_vms += ws_vm->get_ramsize();
-
- if (total_ramsize_of_vms + get_ramsize() > pm_ramsize) {
- XBT_WARN("cannot start %s@%s due to memory shortage: get_ramsize() %zu, free %zu, pm_ramsize %zu (bytes).",
- get_cname(), pm->get_cname(), get_ramsize(), pm_ramsize - total_ramsize_of_vms, pm_ramsize);
- throw VmFailureException(XBT_THROW_POINT,
- xbt::string_printf("Memory shortage on host '%s', VM '%s' cannot be started",
- pm->get_cname(), get_cname()));
- }
- }
- this->pimpl_vm_->set_state(State::RUNNING);
- });
-
- on_started(*this);