-/* Copyright (c) 2015-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2015-2019. The SimGrid Team. All rights reserved. */
/* 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. */
+#include "simgrid/Exception.hpp"
#include "simgrid/s4u/Actor.hpp"
#include "simgrid/vm.h"
#include "src/include/surf/surf.hpp"
#include "src/plugins/vm/VirtualMachineImpl.hpp"
#include "src/plugins/vm/VmHostExt.hpp"
-#include "src/simix/smx_host_private.hpp"
#include "src/surf/cpu_cas01.hpp"
-XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_vm, "S4U virtual machines");
-
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_vm, s4u, "S4U virtual machines");
namespace simgrid {
namespace s4u {
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_start;
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_started;
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_shutdown;
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_suspend;
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_resume;
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_migration_start;
-simgrid::xbt::signal<void(VirtualMachine&)> VirtualMachine::on_migration_end;
-
-VirtualMachine::VirtualMachine(std::string name, s4u::Host* physical_host, int core_amount)
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_start;
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_started;
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_shutdown;
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_suspend;
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_resume;
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_migration_start;
+simgrid::xbt::signal<void(VirtualMachine const&)> VirtualMachine::on_migration_end;
+
+VirtualMachine::VirtualMachine(const std::string& name, s4u::Host* physical_host, int core_amount)
: VirtualMachine(name, physical_host, core_amount, 1024)
{
}
-VirtualMachine::VirtualMachine(std::string name, s4u::Host* physical_host, int core_amount, size_t 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_assert(s4u::Host::by_name(name) == nullptr,
- // "Cannot create a VM named %s: this name is already used by an host or a VM", name.c_str());
-
- XBT_DEBUG("Create VM %s", name.c_str());
+ XBT_DEBUG("Create VM %s", get_cname());
/* Currently, a VM uses the network resource of its physical host */
- pimpl_netpoint = physical_host->pimpl_netpoint;
+ set_netpoint(physical_host->get_netpoint());
// 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));
- surf_cpu_model_vm->create_cpu(this, &speeds, physical_host->get_core_count());
+ surf_cpu_model_vm->create_cpu(this, speeds, core_amount);
if (physical_host->get_pstate() != 0)
set_pstate(physical_host->get_pstate());
}
XBT_DEBUG("destroy %s", get_cname());
/* Don't free these things twice: they are the ones of my physical host */
- pimpl_netpoint = nullptr;
+ set_netpoint(nullptr);
}
void VirtualMachine::start()
{
on_start(*this);
- simgrid::simix::simcall([this]() {
- simgrid::vm::VmHostExt::ensureVmExtInstalled();
+ kernel::actor::simcall([this]() {
+ vm::VmHostExt::ensureVmExtInstalled();
- 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;
- for (simgrid::s4u::VirtualMachine* const& ws_vm : simgrid::vm::VirtualMachineImpl::allVms_)
+ for (VirtualMachine* const& ws_vm : vm::VirtualMachineImpl::allVms_)
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()));
}
}
void VirtualMachine::suspend()
{
on_suspend(*this);
- 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); });
}
void VirtualMachine::resume()
void VirtualMachine::shutdown()
{
- 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); });
on_shutdown(*this);
}
Host::destroy();
}
-simgrid::s4u::Host* VirtualMachine::get_pm()
+simgrid::s4u::Host* VirtualMachine::get_pm() const
{
return pimpl_vm_->get_physical_host();
}
void VirtualMachine::set_pm(simgrid::s4u::Host* pm)
{
- simgrid::simix::simcall([this, pm]() { pimpl_vm_->set_physical_host(pm); });
+ kernel::actor::simcall([this, pm]() { pimpl_vm_->set_physical_host(pm); });
}
VirtualMachine::state VirtualMachine::get_state()
{
- return simgrid::simix::simcall([this]() { return pimpl_vm_->get_state(); });
+ return kernel::actor::simcall([this]() { return pimpl_vm_->get_state(); });
}
-size_t VirtualMachine::get_ramsize()
+size_t VirtualMachine::get_ramsize() const
{
return pimpl_vm_->get_ramsize();
}
*/
void VirtualMachine::set_bound(double bound)
{
- simgrid::simix::simcall([this, bound]() { pimpl_vm_->set_bound(bound); });
+ kernel::actor::simcall([this, bound]() { pimpl_vm_->set_bound(bound); });
}
} // namespace simgrid
return new simgrid::s4u::VirtualMachine(name, pm, coreAmount);
}
-const char* sg_vm_get_name(sg_vm_t vm)
+const char* sg_vm_get_name(const_sg_vm_t vm)
{
return vm->get_cname();
}
/** @brief Get the physical host of a given VM. */
-sg_host_t sg_vm_get_pm(sg_vm_t vm)
+sg_host_t sg_vm_get_pm(const_sg_vm_t vm)
{
return vm->get_pm();
}
vm->set_ramsize(size);
}
-size_t sg_vm_get_ramsize(sg_vm_t vm)
+size_t sg_vm_get_ramsize(const_sg_vm_t vm)
{
return vm->get_ramsize();
}
}
/** @brief Immediately kills all processes within the given VM.
- * Any memory that they allocated will be leaked, unless you used #MSG_process_on_exit().
*
- * 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.
*/
void sg_vm_shutdown(sg_vm_t vm)
{
