/* 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 <algorithm>
-
#include <simgrid/host.h>
#include "cpu_cas01.hpp"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_vm);
-void surf_vm_model_init_HL13(void){
+void surf_vm_model_init_HL13(){
if (surf_cpu_model_vm) {
surf_vm_model = new simgrid::surf::VMHL13Model();
- simgrid::surf::Model *model = surf_vm_model;
- xbt_dynar_push(all_existing_models, &model);
+ all_existing_models->push_back(surf_vm_model);
}
}
/*********
* Model *
*********/
-
VMHL13Model::VMHL13Model() : VMModel() {}
void VMHL13Model::updateActionsState(double /*now*/, double /*delta*/) {}
-/* ind means ''indirect'' that this is a reference on the whole dict_elm
- * structure (i.e not on the surf_resource_private infos) */
-
VirtualMachine *VMHL13Model::createVM(const char *name, sg_host_t host_PM)
{
- VirtualMachine* vm = new VMHL13(this, name, NULL, host_PM);
+ VirtualMachine* vm = new VMHL13(this, name, host_PM);
VMCreatedCallbacks(vm);
return vm;
}
-/* In the real world, processes on the guest operating system will be somewhat
- * degraded due to virtualization overhead. The total CPU share that these
- * processes get is smaller than that of the VM process gets on a host
- * operating system. */
+/* In the real world, processes on the guest operating system will be somewhat degraded due to virtualization overhead.
+ * The total CPU share these processes get is smaller than that of the VM process gets on a host operating system. */
// const double virt_overhead = 0.95;
const double virt_overhead = 1;
/* 1. Now we know how many resource should be assigned to each virtual
* machine. We update constraints of the virtual machine layer.
*
- *
* If we have two virtual machine (VM1 and VM2) on a physical machine (PM1).
* X1 + X2 = C (Equation 1)
* where
* Equation 1 was solved in the physical machine layer.
* Equation 2 is solved in the virtual machine layer (here).
* X1 must be passed to the virtual machine laye as a constraint value.
- *
**/
/* iterate for all virtual machines */
- for (VMModel::vm_list_t::iterator iter =
- VMModel::ws_vms.begin();
- iter != VMModel::ws_vms.end(); ++iter) {
-
+ for (VMModel::vm_list_t::iterator iter = VMModel::ws_vms.begin(); iter != VMModel::ws_vms.end(); ++iter) {
VirtualMachine *ws_vm = &*iter;
Cpu *cpu = ws_vm->p_cpu;
xbt_assert(cpu, "cpu-less host");
- double solved_value = ws_vm->p_action->getVariable()->value;
- XBT_DEBUG("assign %f to vm %s @ pm %s", solved_value,
- ws_vm->getName(), ws_vm->p_hostPM->name().c_str());
+ double solved_value = ws_vm->action_->getVariable()->value;
+ XBT_DEBUG("assign %f to vm %s @ pm %s", solved_value, ws_vm->getName(), ws_vm->getPm()->name().c_str());
// TODO: check lmm_update_constraint_bound() works fine instead of the below manual substitution.
// cpu_cas01->constraint->bound = solved_value;
lmm_update_constraint_bound(vcpu_system, cpu->getConstraint(), virt_overhead * solved_value);
}
-
/* 2. Calculate resource share at the virtual machine layer. */
adjustWeightOfDummyCpuActions();
/************
* Resource *
************/
-
-VMHL13::VMHL13(VMModel *model, const char* name, xbt_dict_t props, sg_host_t host_PM)
- : VirtualMachine(model, name, props, host_PM)
+VMHL13::VMHL13(VMModel *model, const char* name, sg_host_t host_PM)
+ : VirtualMachine(model, name, host_PM)
{
/* Currently, we assume a VM has no storage. */
- p_storage = NULL;
+ p_storage = nullptr;
/* Currently, a VM uses the network resource of its physical host. In
* host_lib, this network resource object is referred from two different keys.
* from the VM name, we have to make sure that the system does not call the
* free callback for the network resource object. The network resource object
* is still used by the physical machine. */
- sg_host_t host_VM = sg_host_by_name_or_create(name);
+ sg_host_t host_VM = simgrid::s4u::Host::by_name_or_create(name);
host_VM->pimpl_netcard = host_PM->pimpl_netcard;
p_vm_state = SURF_VM_STATE_CREATED;
CpuCas01 *sub_cpu = static_cast<CpuCas01*>(host_PM->pimpl_cpu);
p_cpu = surf_cpu_model_vm->createCpu(host_VM, // the machine hosting the VM
- sub_cpu->getSpeedPeakList(), // host->power_peak,
- NULL, // host->power_trace,
- 1, // host->core_amount,
- NULL); // host->state_trace,
+ sub_cpu->getSpeedPeakList(), 1 /*cores*/);
if (sub_cpu->getPState() != 0)
p_cpu->setPState(sub_cpu->getPState());
/* We create cpu_action corresponding to a VM process on the host operating system. */
/* FIXME: TODO: we have to periodically input GUESTOS_NOISE to the system? how ? */
- p_action = sub_cpu->execution_start(0);
+ action_ = sub_cpu->execution_start(0);
- XBT_INFO("Create VM(%s)@PM(%s) with %ld mounted disks",
- name, p_hostPM->name().c_str(), xbt_dynar_length(p_storage));
+ XBT_VERB("Create VM(%s)@PM(%s) with %ld mounted disks", name, hostPM_->name().c_str(), xbt_dynar_length(p_storage));
+}
+VMHL13::~VMHL13() {
+ delete p_cpu;
}
void VMHL13::suspend()
{
- p_action->suspend();
+ action_->suspend();
p_vm_state = SURF_VM_STATE_SUSPENDED;
}
void VMHL13::resume()
{
- p_action->resume();
+ action_->resume();
p_vm_state = SURF_VM_STATE_RUNNING;
}
p_vm_state = SURF_VM_STATE_SAVING;
/* FIXME: do something here */
- p_action->suspend();
+ action_->suspend();
p_vm_state = SURF_VM_STATE_SAVED;
}
p_vm_state = SURF_VM_STATE_RESTORING;
/* FIXME: do something here */
- p_action->resume();
+ action_->resume();
p_vm_state = SURF_VM_STATE_RUNNING;
}
-/*
- * Update the physical host of the given VM
- */
+/* Update the physical host of the given VM */
void VMHL13::migrate(sg_host_t host_dest)
{
- HostImplem *surfHost_dst = host_dest->extension<HostImplem>();
+ HostImpl *surfHost_dst = host_dest->extension<HostImpl>();
const char *vm_name = getName();
- const char *pm_name_src = p_hostPM->name().c_str();
+ const char *pm_name_src = hostPM_->name().c_str();
const char *pm_name_dst = surfHost_dst->getName();
/* update net_elm with that of the destination physical host */
sg_host_by_name(vm_name)->pimpl_netcard = sg_host_by_name(pm_name_dst)->pimpl_netcard;
- p_hostPM = host_dest;
+ hostPM_ = host_dest;
/* Update vcpu's action for the new pm */
{
/* create a cpu action bound to the pm model at the destination. */
CpuAction *new_cpu_action = static_cast<CpuAction*>(host_dest->pimpl_cpu->execution_start(0));
- e_surf_action_state_t state = p_action->getState();
- if (state != SURF_ACTION_DONE)
- XBT_CRITICAL("FIXME: may need a proper handling, %d", state);
- if (p_action->getRemainsNoUpdate() > 0)
- XBT_CRITICAL("FIXME: need copy the state(?), %f", p_action->getRemainsNoUpdate());
+ Action::State state = action_->getState();
+ if (state != Action::State::done)
+ XBT_CRITICAL("FIXME: may need a proper handling, %d", static_cast<int>(state));
+ if (action_->getRemainsNoUpdate() > 0)
+ XBT_CRITICAL("FIXME: need copy the state(?), %f", action_->getRemainsNoUpdate());
/* keep the bound value of the cpu action of the VM. */
- double old_bound = p_action->getBound();
+ double old_bound = action_->getBound();
if (old_bound != 0) {
XBT_DEBUG("migrate VM(%s): set bound (%f) at %s", vm_name, old_bound, pm_name_dst);
new_cpu_action->setBound(old_bound);
}
- XBT_ATTRIB_UNUSED int ret = p_action->unref();
+ XBT_ATTRIB_UNUSED int ret = action_->unref();
xbt_assert(ret == 1, "Bug: some resource still remains");
- p_action = new_cpu_action;
+ action_ = new_cpu_action;
}
XBT_DEBUG("migrate VM(%s): change PM (%s to %s)", vm_name, pm_name_src, pm_name_dst);
}
void VMHL13::setBound(double bound){
- p_action->setBound(bound);
+ action_->setBound(bound);
}
void VMHL13::setAffinity(Cpu *cpu, unsigned long mask){
- p_action->setAffinity(cpu, mask);
+ action_->setAffinity(cpu, mask);
}
-
}
}
