-/* Copyright (c) 2013-2014. The SimGrid Team.
+/* Copyright (c) 2013-2015. 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 <algorithm>
+
+#include <simgrid/host.h>
+
#include "cpu_cas01.hpp"
#include "vm_hl13.hpp"
void surf_vm_model_init_HL13(void){
if (surf_cpu_model_vm) {
- surf_vm_model = new VMHL13Model();
- Model *model = surf_vm_model;
-
- xbt_dynar_push(model_list, &model);
- xbt_dynar_push(model_list_invoke, &model);
+ surf_vm_model = new simgrid::surf::VMHL13Model();
+ simgrid::surf::Model *model = surf_vm_model;
+ xbt_dynar_push(all_existing_models, &model);
}
}
+namespace simgrid {
+namespace surf {
+
/*********
* Model *
*********/
/* ind means ''indirect'' that this is a reference on the whole dict_elm
* structure (i.e not on the surf_resource_private infos) */
-VM *VMHL13Model::createVM(const char *name, surf_resource_t host_PM)
+VirtualMachine *VMHL13Model::createVM(const char *name, sg_host_t host_PM)
{
- VMHL13 *ws = new VMHL13(this, name, NULL, host_PM);
-
- xbt_lib_set(host_lib, name, SURF_HOST_LEVEL, ws);
-
- /* TODO:
- * - check how network requests are scheduled between distinct processes competing for the same card.
- */
- return ws;
-}
-
-static inline double get_solved_value(CpuAction *cpu_action)
-{
- return cpu_action->getVariable()->value;
+ VirtualMachine* vm = new VMHL13(this, name, NULL, host_PM);
+ VMCreatedCallbacks(vm);
+ return vm;
}
/* In the real world, processes on the guest operating system will be somewhat
double VMHL13Model::shareResources(double now)
{
- /* TODO: udpate action's cost with the total cost of processes on the VM. */
-
-
- /* 0. Make sure that we already calculated the resource share at the physical
- * machine layer. */
- {
- _XBT_GNUC_UNUSED Model *ws_model = surf_host_model;
- _XBT_GNUC_UNUSED Model *vm_ws_model = surf_vm_model;
- _XBT_GNUC_UNUSED unsigned int index_of_pm_ws_model = xbt_dynar_search(model_list_invoke, &ws_model);
- _XBT_GNUC_UNUSED unsigned int index_of_vm_ws_model = xbt_dynar_search(model_list_invoke, &vm_ws_model);
- xbt_assert((index_of_pm_ws_model < index_of_vm_ws_model), "Cannot assume surf_host_model comes before");
-
- /* Another option is that we call sub_ws->share_resource() here. The
- * share_resource() function has no side-effect. We can call it here to
- * ensure that. */
- }
-
+ /* TODO: update action's cost with the total cost of processes on the VM. */
/* 1. Now we know how many resource should be assigned to each virtual
* machine. We update constraints of the virtual machine layer.
VMModel::ws_vms.begin();
iter != VMModel::ws_vms.end(); ++iter) {
- VM *ws_vm = &*iter;
+ VirtualMachine *ws_vm = &*iter;
Cpu *cpu = ws_vm->p_cpu;
xbt_assert(cpu, "cpu-less host");
- double solved_value = get_solved_value(ws_vm->p_action);
+ 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_subWs->getName());
+ ws_vm->getName(), ws_vm->p_hostPM->name().c_str());
// TODO: check lmm_update_constraint_bound() works fine instead of the below manual substitution.
// cpu_cas01->constraint->bound = solved_value;
typeid(surf_network_model).name(), min_by_net,
typeid(surf_storage_model).name(), min_by_sto);
- double ret = max(max(min_by_cpu, min_by_net), min_by_sto);
+ double ret = std::max(std::max(min_by_cpu, min_by_net), min_by_sto);
if (min_by_cpu >= 0.0 && min_by_cpu < ret)
ret = min_by_cpu;
if (min_by_net >= 0.0 && min_by_net < ret)
if (min_by_sto >= 0.0 && min_by_sto < ret)
ret = min_by_sto;
- /* FIXME: 3. do we have to re-initialize our cpu_action object? */
-#if 0
- /* iterate for all virtual machines */
- for (VMModel::vm_list_t::iterator iter =
- VMModel::ws_vms.begin();
- iter != VMModel::ws_vms.end(); ++iter) {
-
- {
-#if 0
- VM2013 *ws_vm2013 = static_cast<VM2013Ptr>(&*iter);
- XBT_INFO("cost %f remains %f start %f finish %f", ws_vm2013->cpu_action->cost,
- ws_vm2013->cpu_action->remains,
- ws_vm2013->cpu_action->start,
- ws_vm2013->cpu_action->finish
- );
-#endif
-#if 0
- void *ind_sub_host = xbt_lib_get_elm_or_null(host_lib, ws_vm2013->sub_ws->generic_resource.getName);
- surf_cpu_model_pm->action_unref(ws_vm2013->cpu_action);
- /* FIXME: this means busy loop? */
- // ws_vm2013->cpu_action = surf_cpu_model_pm->extension.cpu.execute(ind_sub_host, GUESTOS_NOISE);
- ws_vm2013->cpu_action = surf_cpu_model_pm->extension.cpu.execute(ind_sub_host, 0);
-#endif
-
- }
- }
-#endif
-
-
return ret;
}
-Action *VMHL13Model::executeParallelTask(int host_nb,
- sg_host_t *host_list,
- double *flops_amount,
- double *bytes_amount,
- double rate){
-#define cost_or_zero(array,pos) ((array)?(array)[pos]:0.0)
- if ((host_nb == 1)
- && (cost_or_zero(bytes_amount, 0) == 0.0))
- return surf_host_execute(host_list[0], flops_amount[0]);
- else if ((host_nb == 1)
- && (cost_or_zero(flops_amount, 0) == 0.0))
- return surf_network_model_communicate(surf_network_model, host_list[0], host_list[0],bytes_amount[0], rate);
- else if ((host_nb == 2)
- && (cost_or_zero(flops_amount, 0) == 0.0)
- && (cost_or_zero(flops_amount, 1) == 0.0)) {
- int i,nb = 0;
- double value = 0.0;
-
- for (i = 0; i < host_nb * host_nb; i++) {
- if (cost_or_zero(bytes_amount, i) > 0.0) {
- nb++;
- value = cost_or_zero(bytes_amount, i);
- }
- }
- if (nb == 1)
- return surf_network_model_communicate(surf_network_model, host_list[0], host_list[1], value, rate);
- }
-#undef cost_or_zero
-
- THROW_UNIMPLEMENTED; /* This model does not implement parallel tasks for more than 2 hosts. */
- return NULL;
-}
-
/************
* Resource *
************/
-VMHL13::VMHL13(VMModel *model, const char* name, xbt_dict_t props,
- surf_resource_t host_PM)
- : VM(model, name, props, NULL, NULL)
+VMHL13::VMHL13(VMModel *model, const char* name, xbt_dict_t props, sg_host_t host_PM)
+ : VirtualMachine(model, name, props, host_PM)
{
- Host *sub_ws = static_cast<Host*>(surf_host_resource_priv(host_PM));
-
/* Currently, we assume a VM has no storage. */
p_storage = NULL;
* 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 sg_sub_ws = sg_host_by_name_or_create(sub_ws->getName());
- p_netElm = new RoutingEdgeWrapper(sg_host_edge(sg_sub_ws));
- sg_host_edge_set(sg_host_by_name_or_create(name), p_netElm);
+ sg_host_t host_VM = sg_host_by_name_or_create(name);
+ host_VM->pimpl_netcard = host_PM->pimpl_netcard;
- p_subWs = sub_ws;
- p_currentState = SURF_VM_STATE_CREATED;
+ p_vm_state = SURF_VM_STATE_CREATED;
// //// CPU RELATED STUFF ////
// Roughly, create a vcpu resource by using the values of the sub_cpu one.
- CpuCas01 *sub_cpu = static_cast<CpuCas01*>(sg_host_surfcpu(host_PM));
+ CpuCas01 *sub_cpu = static_cast<CpuCas01*>(host_PM->pimpl_cpu);
- p_cpu = surf_cpu_model_vm->createCpu(name, // name
- sub_cpu->getPowerPeakList(), // host->power_peak,
+ p_cpu = surf_cpu_model_vm->createCpu(host_VM, // the machine hosting the VM
+ sub_cpu->getSpeedPeakList(), // host->power_peak,
sub_cpu->getPState(),
1, // host->power_scale,
NULL, // host->power_trace,
1, // host->core_amount,
- SURF_RESOURCE_ON, // host->initial_state,
- NULL, // host->state_trace,
- NULL); // host->properties,
+ 1/*ON*/, // host->initiallyOn,
+ NULL); // host->state_trace,
/* 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 ? */
// vm_ws->cpu_action = surf_cpu_model_pm->extension.cpu.execute(host_PM, GUESTOS_NOISE);
p_action = sub_cpu->execute(0);
- XBT_INFO("Create VM(%s)@PM(%s) with %ld mounted disks", name, sub_ws->getName(), xbt_dynar_length(p_storage));
-}
-
-/*
- * A physical host does not disappear in the current SimGrid code, but a VM may
- * disappear during a simulation.
- */
-VMHL13::~VMHL13()
-{
- /* Free the cpu_action of the VM. */
- _XBT_GNUC_UNUSED int ret = p_action->unref();
- xbt_assert(ret == 1, "Bug: some resource still remains");
-}
-
-void VMHL13::updateState(tmgr_trace_event_t /*event_type*/, double /*value*/, double /*date*/) {
- THROW_IMPOSSIBLE; /* This model does not implement parallel tasks */
-}
-
-bool VMHL13::isUsed() {
- THROW_IMPOSSIBLE; /* This model does not implement parallel tasks */
- return -1;
-}
-
-e_surf_resource_state_t VMHL13::getState()
-{
- return (e_surf_resource_state_t) p_currentState;
-}
-
-void VMHL13::setState(e_surf_resource_state_t state)
-{
- p_currentState = (e_surf_vm_state_t) state;
+ XBT_INFO("Create VM(%s)@PM(%s) with %ld mounted disks",
+ name, p_hostPM->name().c_str(), xbt_dynar_length(p_storage));
}
void VMHL13::suspend()
{
p_action->suspend();
- p_currentState = SURF_VM_STATE_SUSPENDED;
+ p_vm_state = SURF_VM_STATE_SUSPENDED;
}
void VMHL13::resume()
{
p_action->resume();
- p_currentState = SURF_VM_STATE_RUNNING;
+ p_vm_state = SURF_VM_STATE_RUNNING;
}
void VMHL13::save()
{
- p_currentState = SURF_VM_STATE_SAVING;
+ p_vm_state = SURF_VM_STATE_SAVING;
/* FIXME: do something here */
p_action->suspend();
- p_currentState = SURF_VM_STATE_SAVED;
+ p_vm_state = SURF_VM_STATE_SAVED;
}
void VMHL13::restore()
{
- p_currentState = SURF_VM_STATE_RESTORING;
+ p_vm_state = SURF_VM_STATE_RESTORING;
/* FIXME: do something here */
p_action->resume();
- p_currentState = SURF_VM_STATE_RUNNING;
+ p_vm_state = SURF_VM_STATE_RUNNING;
}
/*
* Update the physical host of the given VM
*/
-void VMHL13::migrate(surf_resource_t ind_dst_pm)
+void VMHL13::migrate(sg_host_t host_dest)
{
- /* ind_dst_pm equals to smx_host_t */
- Host *ws_dst = static_cast<Host*>(surf_host_resource_priv(ind_dst_pm));
+ Host *surfHost_dst = host_dest->extension<Host>();
const char *vm_name = getName();
- const char *pm_name_src = p_subWs->getName();
- const char *pm_name_dst = ws_dst->getName();
-
- xbt_assert(ws_dst);
+ const char *pm_name_src = p_hostPM->name().c_str();
+ const char *pm_name_dst = surfHost_dst->getName();
/* update net_elm with that of the destination physical host */
- RoutingEdge *old_net_elm = p_netElm;
- RoutingEdge *new_net_elm = new RoutingEdgeWrapper(sg_host_edge(sg_host_by_name(pm_name_dst)));
- xbt_assert(new_net_elm);
+ sg_host_by_name(vm_name)->pimpl_netcard = sg_host_by_name(pm_name_dst)->pimpl_netcard;
- /* Unregister the current net_elm from host_lib. Do not call the free callback. */
- sg_host_edge_destroy(sg_host_by_name(vm_name), 0);
-
- /* Then, resister the new one. */
- p_netElm = new_net_elm;
- sg_host_edge_set(sg_host_by_name(vm_name), p_netElm);
-
- p_subWs = ws_dst;
+ p_hostPM = host_dest;
/* Update vcpu's action for the new pm */
{
-#if 0
- XBT_INFO("cpu_action->remains %g", p_action->remains);
- XBT_INFO("cost %f remains %f start %f finish %f", p_action->cost,
- p_action->remains,
- p_action->start,
- p_action->finish
- );
- XBT_INFO("cpu_action state %d", surf_action_get_state(p_action));
-#endif
-
/* create a cpu action bound to the pm model at the destination. */
- CpuAction *new_cpu_action = static_cast<CpuAction*>(
- static_cast<Cpu*>(sg_host_surfcpu(ind_dst_pm))->execute(0));
+ CpuAction *new_cpu_action = static_cast<CpuAction*>(host_dest->pimpl_cpu->execute(0));
e_surf_action_state_t state = p_action->getState();
if (state != SURF_ACTION_DONE)
new_cpu_action->setBound(old_bound);
}
- _XBT_GNUC_UNUSED int ret = p_action->unref();
+ XBT_ATTRIB_UNUSED int ret = p_action->unref();
xbt_assert(ret == 1, "Bug: some resource still remains");
p_action = new_cpu_action;
}
- XBT_DEBUG("migrate VM(%s): change net_elm (%p to %p)", vm_name, old_net_elm, new_net_elm);
XBT_DEBUG("migrate VM(%s): change PM (%s to %s)", vm_name, pm_name_src, pm_name_dst);
- delete old_net_elm;
}
void VMHL13::setBound(double bound){
p_action->setAffinity(cpu, mask);
}
-/*
- * A surf level object will be useless in the upper layer. Returning the
- * dict_elm of the host.
- **/
-surf_resource_t VMHL13::getPm()
-{
- return xbt_lib_get_elm_or_null(host_lib, p_subWs->getName());
-}
-
-/* Adding a task to a VM updates the VCPU task on its physical machine. */
-Action *VMHL13::execute(double size)
-{
- double old_cost = p_action->getCost();
- double new_cost = old_cost + size;
-
- XBT_DEBUG("VM(%s)@PM(%s): update dummy action's cost (%f -> %f)",
- getName(), p_subWs->getName(),
- old_cost, new_cost);
- p_action->setCost(new_cost);
-
- return p_cpu->execute(size);
}
-
-Action *VMHL13::sleep(double duration) {
- return p_cpu->sleep(duration);
}
-
-/**********
- * Action *
- **********/
-
-//FIME:: handle action cancel
-
