/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
VirtualMachine::VirtualMachine(const std::string& name, s4u::Host* physical_host, int core_amount, size_t ramsize)
: Host(name), pimpl_vm_(new vm::VirtualMachineImpl(this, physical_host, core_amount, ramsize))
{
VirtualMachine::VirtualMachine(const std::string& name, s4u::Host* physical_host, int core_amount, size_t ramsize)
: Host(name), pimpl_vm_(new vm::VirtualMachineImpl(this, physical_host, core_amount, ramsize))
{
XBT_DEBUG("Create VM %s", get_cname());
/* Currently, a VM uses the network resource of its physical host */
XBT_DEBUG("Create VM %s", get_cname());
/* Currently, a VM uses the network resource of its physical host */
// Create a VCPU for this VM
std::vector<double> speeds;
for (int i = 0; i < physical_host->get_pstate_count(); i++)
speeds.push_back(physical_host->get_pstate_speed(i));
// Create a VCPU for this VM
std::vector<double> speeds;
for (int i = 0; i < physical_host->get_pstate_count(); i++)
speeds.push_back(physical_host->get_pstate_speed(i));
XBT_DEBUG("destroy %s", get_cname());
/* Don't free these things twice: they are the ones of my physical host */
XBT_DEBUG("destroy %s", get_cname());
/* Don't free these things twice: they are the ones of my physical host */
- simgrid::s4u::Host* pm = this->pimpl_vm_->get_physical_host();
- if (pm->extension<simgrid::vm::VmHostExt>() == nullptr)
- pm->extension_set(new simgrid::vm::VmHostExt());
+ Host* pm = this->pimpl_vm_->get_physical_host();
+ if (pm->extension<vm::VmHostExt>() == nullptr)
+ pm->extension_set(new vm::VmHostExt());
- long pm_ramsize = pm->extension<simgrid::vm::VmHostExt>()->ramsize;
- int pm_overcommit = pm->extension<simgrid::vm::VmHostExt>()->overcommit;
+ long pm_ramsize = pm->extension<vm::VmHostExt>()->ramsize;
+ int pm_overcommit = pm->extension<vm::VmHostExt>()->overcommit;
long vm_ramsize = this->get_ramsize();
if (pm_ramsize && not pm_overcommit) { /* Only verify that we don't overcommit on need */
/* Retrieve the memory occupied by the VMs on that host. Yep, we have to traverse all VMs of all hosts for that */
long total_ramsize_of_vms = 0;
long vm_ramsize = this->get_ramsize();
if (pm_ramsize && not pm_overcommit) { /* Only verify that we don't overcommit on need */
/* Retrieve the memory occupied by the VMs on that host. Yep, we have to traverse all VMs of all hosts for that */
long total_ramsize_of_vms = 0;
if (pm == ws_vm->get_pm())
total_ramsize_of_vms += ws_vm->get_ramsize();
if (vm_ramsize > pm_ramsize - total_ramsize_of_vms) {
XBT_WARN("cannot start %s@%s due to memory shortage: vm_ramsize %ld, free %ld, pm_ramsize %ld (bytes).",
this->get_cname(), pm->get_cname(), vm_ramsize, pm_ramsize - total_ramsize_of_vms, pm_ramsize);
if (pm == ws_vm->get_pm())
total_ramsize_of_vms += ws_vm->get_ramsize();
if (vm_ramsize > pm_ramsize - total_ramsize_of_vms) {
XBT_WARN("cannot start %s@%s due to memory shortage: vm_ramsize %ld, free %ld, pm_ramsize %ld (bytes).",
this->get_cname(), pm->get_cname(), vm_ramsize, pm_ramsize - total_ramsize_of_vms, pm_ramsize);
- THROWF(vm_error, 0, "Memory shortage on host '%s', VM '%s' cannot be started", pm->get_cname(),
- this->get_cname());
+ throw VmFailureException(XBT_THROW_POINT,
+ xbt::string_printf("Memory shortage on host '%s', VM '%s' cannot be started",
+ pm->get_cname(), this->get_cname()));
- smx_actor_t issuer = SIMIX_process_self();
- simgrid::simix::simcall([this, issuer]() { pimpl_vm_->suspend(issuer); });
+ kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
+ kernel::actor::simcall([this, issuer]() { pimpl_vm_->suspend(issuer); });
- smx_actor_t issuer = SIMIX_process_self();
- simgrid::simix::simcall([this, issuer]() { pimpl_vm_->shutdown(issuer); });
+ kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
+ kernel::actor::simcall([this, issuer]() { pimpl_vm_->shutdown(issuer); });
- * No extra delay occurs. If you want to simulate this too, you want to use a #MSG_process_sleep().
+ @beginrst
+
+ The memory allocated by these actors is leaked, unless you used :cpp:func:`simgrid::s4u::Actor::on_exit`.
+
+ @endrst
+ *
+ * No extra delay occurs by default. You may let your actor sleep by a specific amount to simulate any extra delay that you want.