X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b9c1a64ac4bc907d7738dcb0414f7b139f1c1f9a..206a2b027325f16558bdf3f673da223a8a4921d4:/src/plugins/vm/VirtualMachineImpl.cpp diff --git a/src/plugins/vm/VirtualMachineImpl.cpp b/src/plugins/vm/VirtualMachineImpl.cpp index a9906c162f..0f389ca840 100644 --- a/src/plugins/vm/VirtualMachineImpl.cpp +++ b/src/plugins/vm/VirtualMachineImpl.cpp @@ -5,18 +5,34 @@ #include "src/plugins/vm/VirtualMachineImpl.hpp" #include "simgrid/Exception.hpp" +#include "simgrid/kernel/routing/NetZoneImpl.hpp" +#include "simgrid/s4u/Engine.hpp" #include "simgrid/s4u/Exec.hpp" +#include "simgrid/sg_config.hpp" #include "src/include/surf/surf.hpp" +#include "src/kernel/EngineImpl.hpp" #include "src/kernel/activity/ExecImpl.hpp" +#include "src/surf/cpu_cas01.hpp" +#include "src/surf/cpu_ti.hpp" -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(res_vm, ker_resource, "Virtual Machines, containing actors and mobile accross hosts"); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(res_vm, ker_resource, "Virtual Machines, containing actors and mobile across hosts"); -simgrid::vm::VMModel* surf_vm_model = nullptr; - -void surf_vm_model_init_HL13() +void surf_vm_model_init_HL13(simgrid::kernel::resource::CpuModel* cpu_pm_model) { - if (surf_cpu_model_vm != nullptr) - surf_vm_model = new simgrid::vm::VMModel(); + auto vm_model = std::make_shared("VM_HL13"); + auto* engine = simgrid::kernel::EngineImpl::get_instance(); + + engine->add_model(vm_model, {cpu_pm_model}); + std::shared_ptr cpu_model_vm; + + auto cpu_optim = simgrid::config::get_value("cpu/optim"); + if (cpu_optim == "TI") { + cpu_model_vm = std::make_shared("VmCpu_TI"); + } else { + cpu_model_vm = std::make_shared("VmCpu_Cas01"); + } + engine->add_model(cpu_model_vm, {cpu_pm_model, vm_model.get()}); + engine->get_netzone_root()->set_cpu_vm_model(cpu_model_vm); } namespace simgrid { @@ -59,7 +75,7 @@ static void add_active_exec(s4u::Exec const& task) { const s4u::VirtualMachine* vm = dynamic_cast(task.get_host()); if (vm != nullptr) { - VirtualMachineImpl* vm_impl = vm->get_impl(); + VirtualMachineImpl* vm_impl = vm->get_vm_impl(); vm_impl->add_active_exec(); vm_impl->update_action_weight(); } @@ -69,7 +85,7 @@ static void remove_active_exec(s4u::Exec const& task) { const s4u::VirtualMachine* vm = dynamic_cast(task.get_host()); if (vm != nullptr) { - VirtualMachineImpl* vm_impl = vm->get_impl(); + VirtualMachineImpl* vm_impl = vm->get_vm_impl(); vm_impl->remove_active_exec(); vm_impl->update_action_weight(); } @@ -85,7 +101,7 @@ static void add_active_activity(kernel::activity::ActivityImpl const& act) { const s4u::VirtualMachine* vm = get_vm_from_activity(act); if (vm != nullptr) { - VirtualMachineImpl *vm_impl = vm->get_impl(); + VirtualMachineImpl* vm_impl = vm->get_vm_impl(); vm_impl->add_active_exec(); vm_impl->update_action_weight(); } @@ -95,15 +111,14 @@ static void remove_active_activity(kernel::activity::ActivityImpl const& act) { const s4u::VirtualMachine* vm = get_vm_from_activity(act); if (vm != nullptr) { - VirtualMachineImpl *vm_impl = vm->get_impl(); + VirtualMachineImpl* vm_impl = vm->get_vm_impl(); vm_impl->remove_active_exec(); vm_impl->update_action_weight(); } } -VMModel::VMModel() +VMModel::VMModel(const std::string& name) : HostModel(name) { - all_existing_models.push_back(this); s4u::Host::on_state_change.connect(host_state_change); s4u::Exec::on_start.connect(add_active_exec); s4u::Exec::on_completion.connect(remove_active_exec); @@ -139,46 +154,43 @@ double VMModel::next_occurring_event(double now) /* iterate for all virtual machines */ for (s4u::VirtualMachine* const& ws_vm : VirtualMachineImpl::allVms_) { - if (ws_vm->get_state() == s4u::VirtualMachine::state::SUSPENDED) // Ignore suspended VMs + if (ws_vm->get_state() == s4u::VirtualMachine::State::SUSPENDED) // Ignore suspended VMs continue; - const kernel::resource::Cpu* cpu = ws_vm->pimpl_cpu; + const kernel::resource::CpuImpl* cpu = ws_vm->get_cpu(); // solved_value below is X1 in comment above: what this VM got in the sharing on the PM - double solved_value = ws_vm->get_impl()->get_action()->get_variable()->get_value(); + double solved_value = ws_vm->get_vm_impl()->get_action()->get_rate(); XBT_DEBUG("assign %f to vm %s @ pm %s", solved_value, ws_vm->get_cname(), ws_vm->get_pm()->get_cname()); - xbt_assert(cpu->get_model() == surf_cpu_model_vm); kernel::lmm::System* vcpu_system = cpu->get_model()->get_maxmin_system(); vcpu_system->update_constraint_bound(cpu->get_constraint(), virt_overhead * solved_value); } - - /* 2. Ready. Get the next occurring event */ - return surf_cpu_model_vm->next_occurring_event(now); + /* actual next occurring event is determined by VM CPU model at surf_solve */ + return -1.0; } /************ * Resource * ************/ -VirtualMachineImpl::VirtualMachineImpl(simgrid::s4u::VirtualMachine* piface, simgrid::s4u::Host* host_PM, - int core_amount, size_t ramsize) - : HostImpl(piface), physical_host_(host_PM), core_amount_(core_amount), ramsize_(ramsize) +VirtualMachineImpl::VirtualMachineImpl(const std::string& name, s4u::VirtualMachine* piface, + simgrid::s4u::Host* host_PM, int core_amount, size_t ramsize) + : HostImpl(name, piface), piface_(piface), physical_host_(host_PM), core_amount_(core_amount), ramsize_(ramsize) { /* Register this VM to the list of all VMs */ allVms_.push_back(piface); - /* We create cpu_action corresponding to a VM process on the host operating system. */ /* TODO: we have to periodically input GUESTOS_NOISE to the system? how ? * The value for GUESTOS_NOISE corresponds to the cost of the global action associated to the VM. It corresponds to * the cost of a VM running no tasks. */ - action_ = physical_host_->pimpl_cpu->execution_start(0, core_amount_); + action_ = physical_host_->get_cpu()->execution_start(0, core_amount_); // It's empty for now, so it should not request resources in the PM update_action_weight(); - XBT_VERB("Create VM(%s)@PM(%s)", piface->get_cname(), physical_host_->get_cname()); + XBT_VERB("Create VM(%s)@PM(%s)", name.c_str(), physical_host_->get_cname()); on_creation(*this); } @@ -198,7 +210,7 @@ VirtualMachineImpl::~VirtualMachineImpl() void VirtualMachineImpl::suspend(smx_actor_t issuer) { - if (get_state() != s4u::VirtualMachine::state::RUNNING) + if (get_state() != s4u::VirtualMachine::State::RUNNING) throw VmFailureException(XBT_THROW_POINT, xbt::string_printf("Cannot suspend VM %s: it is not running.", piface_->get_cname())); if (issuer->get_host() == piface_) @@ -216,12 +228,12 @@ void VirtualMachineImpl::suspend(smx_actor_t issuer) XBT_DEBUG("suspend all actors on the VM done done"); - vm_state_ = s4u::VirtualMachine::state::SUSPENDED; + vm_state_ = s4u::VirtualMachine::State::SUSPENDED; } void VirtualMachineImpl::resume() { - if (get_state() != s4u::VirtualMachine::state::SUSPENDED) + if (get_state() != s4u::VirtualMachine::State::SUSPENDED) throw VmFailureException(XBT_THROW_POINT, xbt::string_printf("Cannot resume VM %s: it was not suspended", piface_->get_cname())); @@ -234,7 +246,7 @@ void VirtualMachineImpl::resume() actor.resume(); }); - vm_state_ = s4u::VirtualMachine::state::RUNNING; + vm_state_ = s4u::VirtualMachine::State::RUNNING; } /** @brief Power off a VM. @@ -246,23 +258,9 @@ void VirtualMachineImpl::resume() */ void VirtualMachineImpl::shutdown(smx_actor_t issuer) { - if (get_state() != s4u::VirtualMachine::state::RUNNING) { - const char* stateName; - switch (get_state()) { - case s4u::VirtualMachine::state::CREATED: - stateName = "created, but not yet started"; - break; - case s4u::VirtualMachine::state::SUSPENDED: - stateName = "suspended"; - break; - case s4u::VirtualMachine::state::DESTROYED: - stateName = "destroyed"; - break; - default: /* SURF_VM_STATE_RUNNING or unexpected values */ - THROW_IMPOSSIBLE; - } - XBT_VERB("Shutting down the VM %s even if it's not running but %s", piface_->get_cname(), stateName); - } + if (get_state() != s4u::VirtualMachine::State::RUNNING) + XBT_VERB("Shutting down the VM %s even if it's not running but in state %s", piface_->get_cname(), + s4u::VirtualMachine::to_c_str(get_state())); XBT_DEBUG("shutdown VM %s, that contains %zu actors", piface_->get_cname(), get_actor_count()); @@ -272,7 +270,7 @@ void VirtualMachineImpl::shutdown(smx_actor_t issuer) issuer->kill(&actor); }); - set_state(s4u::VirtualMachine::state::DESTROYED); + set_state(s4u::VirtualMachine::State::DESTROYED); /* FIXME: we may have to do something at the surf layer, e.g., vcpu action */ } @@ -291,13 +289,13 @@ void VirtualMachineImpl::set_physical_host(s4u::Host* destination) piface_->set_netpoint(destination->get_netpoint()); /* Adapt the speed, pstate and other physical characteristics to the one of our new physical CPU */ - piface_->pimpl_cpu->reset_vcpu(destination->pimpl_cpu); + piface_->get_cpu()->reset_vcpu(destination->get_cpu()); physical_host_ = destination; /* Update vcpu's action for the new pm */ /* create a cpu action bound to the pm model at the destination. */ - kernel::resource::CpuAction* new_cpu_action = destination->pimpl_cpu->execution_start(0, this->core_amount_); + kernel::resource::CpuAction* new_cpu_action = destination->get_cpu()->execution_start(0, this->core_amount_); if (action_->get_remains_no_update() > 0) XBT_CRITICAL("FIXME: need copy the state(?), %f", action_->get_remains_no_update()); @@ -320,10 +318,12 @@ void VirtualMachineImpl::set_physical_host(s4u::Host* destination) void VirtualMachineImpl::set_bound(double bound) { user_bound_ = bound; + action_->set_user_bound(user_bound_); update_action_weight(); } -void VirtualMachineImpl::update_action_weight(){ +void VirtualMachineImpl::update_action_weight() +{ /* The impact of the VM over its PM is the min between its vCPU amount and the amount of tasks it contains */ int impact = std::min(active_execs_, get_core_amount()); @@ -337,5 +337,5 @@ void VirtualMachineImpl::update_action_weight(){ action_->set_bound(std::min(impact * physical_host_->get_speed(), user_bound_)); } -} -} +} // namespace vm +} // namespace simgrid