-/*
- * vm_workstation.cpp
- *
- * Created on: Nov 12, 2013
- * Author: bedaride
- */
+/* Copyright (c) 2013-2014. 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 "vm_workstation_hl13.hpp"
#include "cpu_cas01.hpp"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_vm_workstation);
-void surf_vm_workstation_model_init_current_default(void){
+void surf_vm_workstation_model_init_HL13(void){
if (surf_cpu_model_vm) {
surf_vm_workstation_model = new WorkstationVMHL13Model();
- ModelPtr model = static_cast<ModelPtr>(surf_vm_workstation_model);
+ ModelPtr model = surf_vm_workstation_model;
xbt_dynar_push(model_list, &model);
xbt_dynar_push(model_list_invoke, &model);
p_cpuModel = surf_cpu_model_vm;
}
-xbt_dynar_t WorkstationVMHL13Model::getRoute(WorkstationPtr src, WorkstationPtr dst){
- return WorkstationCLM03Model::getRoute(src, dst);
+void WorkstationVMHL13Model::updateActionsState(double /*now*/, double /*delta*/){
+ return;
}
ActionPtr WorkstationVMHL13Model::communicate(WorkstationPtr src, WorkstationPtr dst, double size, double rate){
- return WorkstationCLM03Model::communicate(src, dst, size, rate);
+ return surf_network_model->communicate(src->p_netElm, dst->p_netElm, size, rate);
}
/* ind means ''indirect'' that this is a reference on the whole dict_elm
* structure (i.e not on the surf_resource_private infos) */
-void WorkstationVMHL13Model::createResource(const char *name, void *ind_phys_workstation)
+WorkstationVMPtr WorkstationVMHL13Model::createWorkstationVM(const char *name, surf_resource_t ind_phys_workstation)
{
- WorkstationVMHL13LmmPtr ws = new WorkstationVMHL13Lmm(this, name, NULL, static_cast<surf_resource_t>(ind_phys_workstation));
+ WorkstationVMHL13Ptr ws = new WorkstationVMHL13(this, name, NULL, ind_phys_workstation);
- xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, static_cast<ResourcePtr>(ws));
+ xbt_lib_set(host_lib, name, SURF_WKS_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(CpuActionLmmPtr cpu_action)
+static inline double get_solved_value(CpuActionPtr cpu_action)
{
return cpu_action->getVariable()->value;
}
/* 0. Make sure that we already calculated the resource share at the physical
* machine layer. */
{
- ModelPtr ws_model = static_cast<ModelPtr>(surf_workstation_model);
- ModelPtr vm_ws_model = static_cast<ModelPtr>(surf_vm_workstation_model);
- unsigned int index_of_pm_ws_model = xbt_dynar_search(model_list_invoke, &ws_model);
- 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_workstation_model comes before");
+ xbt_assert((xbt_dynar_search(model_list_invoke, &surf_workstation_model)<
+ xbt_dynar_search(model_list_invoke, &surf_vm_workstation_model)),
+ "Cannot assume surf_workstation_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
*
**/
- /* iterate for all hosts including virtual machines */
- xbt_lib_cursor_t cursor;
- char *key;
- void **ind_host;
- xbt_lib_foreach(host_lib, cursor, key, ind_host) {
- WorkstationPtr ws = dynamic_cast<WorkstationPtr>(
- static_cast<ResourcePtr>(ind_host[SURF_WKS_LEVEL]));
- CpuLmmPtr cpu = dynamic_cast<CpuLmmPtr>(
- static_cast<ResourcePtr>(ind_host[SURF_CPU_LEVEL]));
-
- if (!ws)
- continue;
- /* skip if it is not a virtual machine */
- if (ws->getModel() != static_cast<ModelPtr>(surf_vm_workstation_model))
- continue;
- xbt_assert(cpu, "cpu-less workstation");
+ /* iterate for all virtual machines */
+ for (WorkstationVMModel::vm_list_t::iterator iter =
+ WorkstationVMModel::ws_vms.begin();
+ iter != WorkstationVMModel::ws_vms.end(); ++iter) {
- /* It is a virtual machine, so we can cast it to workstation_VM2013_t */
- WorkstationVMPtr ws_vm = dynamic_cast<WorkstationVMPtr>(ws);
+ WorkstationVMPtr ws_vm = &*iter;
+ CpuPtr cpu = ws_vm->p_cpu;
+ xbt_assert(cpu, "cpu-less workstation");
- double solved_value = get_solved_value(reinterpret_cast<CpuActionLmmPtr>(ws_vm->p_action));
+ double solved_value = get_solved_value(ws_vm->p_action);
XBT_DEBUG("assign %f to vm %s @ pm %s", solved_value,
- ws->getName(), ws_vm->p_subWs->getName());
+ ws_vm->getName(), ws_vm->p_subWs->getName());
// TODO: check lmm_update_constraint_bound() works fine instead of the below manual substitution.
// cpu_cas01->constraint->bound = solved_value;
- xbt_assert(cpu->getModel() == static_cast<ModelPtr>(surf_cpu_model_vm));
+ xbt_assert(cpu->getModel() == surf_cpu_model_vm);
lmm_system_t vcpu_system = cpu->getModel()->getMaxminSystem();
- lmm_update_constraint_bound(vcpu_system, cpu->constraint(), virt_overhead * solved_value);
+ lmm_update_constraint_bound(vcpu_system, cpu->getConstraint(), virt_overhead * solved_value);
}
/* 2. Calculate resource share at the virtual machine layer. */
- double ret = WorkstationCLM03Model::shareResources(now);
-
+ adjustWeightOfDummyCpuActions();
+
+ double min_by_cpu = p_cpuModel->shareResources(now);
+ double min_by_net = (strcmp(surf_network_model->getName(), "network NS3")) ? surf_network_model->shareResources(now) : -1;
+ double min_by_sto = -1;
+ if (p_cpuModel == surf_cpu_model_pm)
+ min_by_sto = surf_storage_model->shareResources(now);
+
+ XBT_DEBUG("model %p, %s min_by_cpu %f, %s min_by_net %f, %s min_by_sto %f",
+ this, surf_cpu_model_pm->getName(), min_by_cpu,
+ surf_network_model->getName(), min_by_net,
+ surf_storage_model->getName(), min_by_sto);
+
+ double ret = max(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)
+ ret = min_by_net;
+ 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 hosts including virtual machines */
- xbt_lib_foreach(host_lib, cursor, key, ind_host) {
- WorkstationCLM03Ptr ws_clm03 = ind_host[SURF_WKS_LEVEL];
-
- /* skip if it is not a virtual machine */
- if (!ws_clm03)
- continue;
- if (ws_clm03->getModel() != surf_vm_workstation_model)
- continue;
+ /* iterate for all virtual machines */
+ for (WorkstationVMModel::vm_list_t::iterator iter =
+ WorkstationVMModel::ws_vms.begin();
+ iter != WorkstationVMModel::ws_vms.end(); ++iter) {
- /* It is a virtual machine, so we can cast it to workstation_VM2013_t */
{
#if 0
- WorkstationVM2013Ptr ws_vm2013 = (workstation_VM2013_t) ws_clm03;
+ WorkstationVM2013Ptr ws_vm2013 = static_cast<WorkstationVM2013Ptr>(&*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,
return ret;
}
+ActionPtr WorkstationVMHL13Model::executeParallelTask(int workstation_nb,
+ void **workstation_list,
+ double *computation_amount,
+ double *communication_amount,
+ double rate){
+#define cost_or_zero(array,pos) ((array)?(array)[pos]:0.0)
+ if ((workstation_nb == 1)
+ && (cost_or_zero(communication_amount, 0) == 0.0))
+ return ((WorkstationCLM03Ptr)workstation_list[0])->execute(computation_amount[0]);
+ else if ((workstation_nb == 1)
+ && (cost_or_zero(computation_amount, 0) == 0.0))
+ return communicate((WorkstationCLM03Ptr)workstation_list[0], (WorkstationCLM03Ptr)workstation_list[0],communication_amount[0], rate);
+ else if ((workstation_nb == 2)
+ && (cost_or_zero(computation_amount, 0) == 0.0)
+ && (cost_or_zero(computation_amount, 1) == 0.0)) {
+ int i,nb = 0;
+ double value = 0.0;
+
+ for (i = 0; i < workstation_nb * workstation_nb; i++) {
+ if (cost_or_zero(communication_amount, i) > 0.0) {
+ nb++;
+ value = cost_or_zero(communication_amount, i);
+ }
+ }
+ if (nb == 1)
+ return communicate((WorkstationCLM03Ptr)workstation_list[0], (WorkstationCLM03Ptr)workstation_list[1],value, rate);
+ }
+#undef cost_or_zero
+
+ THROW_UNIMPLEMENTED; /* This model does not implement parallel tasks */
+ return NULL;
+}
+
/************
* Resource *
************/
-WorkstationVMHL13Lmm::WorkstationVMHL13Lmm(WorkstationVMModelPtr model, const char* name, xbt_dict_t props,
+
+WorkstationVMHL13::WorkstationVMHL13(WorkstationVMModelPtr model, const char* name, xbt_dict_t props,
surf_resource_t ind_phys_workstation)
- : Resource(model, name, props)
- , WorkstationVMLmm(NULL, NULL)
- , WorkstationCLM03Lmm(model, name, props, NULL, NULL, NULL)
+ : WorkstationVM(model, name, props, NULL, NULL)
{
- WorkstationPtr sub_ws = dynamic_cast<WorkstationPtr>(
- static_cast<ResourcePtr>(
- surf_workstation_resource_priv(ind_phys_workstation)));
+ WorkstationPtr sub_ws = static_cast<WorkstationPtr>(surf_workstation_resource_priv(ind_phys_workstation));
/* Currently, we assume a VM has no storage. */
p_storage = NULL;
/* Currently, a VM uses the network resource of its physical host. In
- * host_lib, this network resource object is refered from two different keys.
+ * host_lib, this network resource object is referred from two different keys.
* When deregistering the reference that points the network resource object
* 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. */
- p_netElm = static_cast<RoutingEdgePtr>(xbt_lib_get_or_null(host_lib, sub_ws->getName(), ROUTING_HOST_LEVEL));
+ p_netElm = new RoutingEdgeWrapper(static_cast<RoutingEdgePtr>(xbt_lib_get_or_null(host_lib, sub_ws->getName(), ROUTING_HOST_LEVEL)));
xbt_lib_set(host_lib, name, ROUTING_HOST_LEVEL, p_netElm);
p_subWs = sub_ws;
// //// CPU RELATED STUFF ////
// Roughly, create a vcpu resource by using the values of the sub_cpu one.
- CpuCas01LmmPtr sub_cpu = dynamic_cast<CpuCas01LmmPtr>(
- static_cast<ResourcePtr>(
- surf_cpu_resource_priv(ind_phys_workstation)));
+ CpuCas01Ptr sub_cpu = static_cast<CpuCas01Ptr>(surf_cpu_resource_priv(ind_phys_workstation));
/* We can assume one core and cas01 cpu for the first step.
* Do xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, cpu) if you get the resource. */
- p_cpu = static_cast<CpuCas01ModelPtr>(surf_cpu_model_vm)->createResource(name, // name
- sub_cpu->p_powerPeakList, // host->power_peak,
- sub_cpu->m_pstate,
+ p_cpu = surf_cpu_model_vm->createCpu(name, // name
+ sub_cpu->getPowerPeakList(), // host->power_peak,
+ sub_cpu->getPState(),
1, // host->power_scale,
NULL, // host->power_trace,
1, // host->core_amount,
/* We create cpu_action corresponding to a VM process on the host operating system. */
/* FIXME: TODO: we have to peridocally input GUESTOS_NOISE to the system? how ? */
// vm_ws->cpu_action = surf_cpu_model_pm->extension.cpu.execute(ind_phys_workstation, GUESTOS_NOISE);
- p_action = dynamic_cast<CpuActionLmmPtr>(sub_cpu->execute(0));
+ p_action = sub_cpu->execute(0);
/* The SURF_WKS_LEVEL at host_lib saves workstation_CLM03 objects. Please
* note workstation_VM2013 objects, inheriting the workstation_CLM03
}
/*
- * A physical host does not disapper in the current SimGrid code, but a VM may
- * disapper during a simulation.
+ * A physical host does not disappear in the current SimGrid code, but a VM may
+ * disappear during a simulation.
*/
-WorkstationVMHL13Lmm::~WorkstationVMHL13Lmm()
+WorkstationVMHL13::~WorkstationVMHL13()
{
- /* ind_phys_workstation equals to smx_host_t */
- surf_resource_t ind_vm_workstation = xbt_lib_get_elm_or_null(host_lib, getName());
-
- /* Before clearing the entries in host_lib, we have to pick up resources. */
- CpuCas01LmmPtr cpu = dynamic_cast<CpuCas01LmmPtr>(
- static_cast<ResourcePtr>(
- surf_cpu_resource_priv(ind_vm_workstation)));
-
- /* We deregister objects from host_lib, without invoking the freeing callback
- * of each level.
- *
- * Do not call xbt_lib_remove() here. It deletes all levels of the key,
- * including MSG_HOST_LEVEL and others. We should unregister only what we know.
- */
- xbt_lib_unset(host_lib, getName(), SURF_CPU_LEVEL, 0);
- xbt_lib_unset(host_lib, getName(), ROUTING_HOST_LEVEL, 0);
- xbt_lib_unset(host_lib, getName(), SURF_WKS_LEVEL, 0);
-
- /* TODO: comment out when VM stroage is implemented. */
- // xbt_lib_unset(host_lib, name, SURF_STORAGE_LEVEL, 0);
-
-
/* Free the cpu_action of the VM. */
- int ret = p_action->unref();
- xbt_assert(ret == 1, "Bug: some resource still remains");
-
- /* Free the cpu resource of the VM. If using power_trace, we will have to */
- delete cpu;
-
- /* Free the network resource of the VM. */
- // Nothing has to be done, because net_elmts is just a pointer on the physical one
+ xbt_assert(p_action->unref() == 1, "Bug: some resource still remains");
+}
- /* Free the storage resource of the VM. */
- // Not relevant yet
+void WorkstationVMHL13::updateState(tmgr_trace_event_t /*event_type*/, double /*value*/, double /*date*/) {
+ THROW_IMPOSSIBLE; /* This model does not implement parallel tasks */
+}
- /* Free the workstation resource of the VM. */
+bool WorkstationVMHL13::isUsed() {
+ THROW_IMPOSSIBLE; /* This model does not implement parallel tasks */
+ return -1;
}
-e_surf_resource_state_t WorkstationVMHL13Lmm::getState()
+e_surf_resource_state_t WorkstationVMHL13::getState()
{
return (e_surf_resource_state_t) p_currentState;
}
-void WorkstationVMHL13Lmm::setState(e_surf_resource_state_t state)
+void WorkstationVMHL13::setState(e_surf_resource_state_t state)
{
p_currentState = (e_surf_vm_state_t) state;
}
-void WorkstationVMHL13Lmm::suspend()
+void WorkstationVMHL13::suspend()
{
p_action->suspend();
p_currentState = SURF_VM_STATE_SUSPENDED;
}
-void WorkstationVMHL13Lmm::resume()
+void WorkstationVMHL13::resume()
{
p_action->resume();
p_currentState = SURF_VM_STATE_RUNNING;
}
-void WorkstationVMHL13Lmm::save()
+void WorkstationVMHL13::save()
{
p_currentState = SURF_VM_STATE_SAVING;
p_currentState = SURF_VM_STATE_SAVED;
}
-void WorkstationVMHL13Lmm::restore()
+void WorkstationVMHL13::restore()
{
p_currentState = SURF_VM_STATE_RESTORING;
/*
* Update the physical host of the given VM
*/
-void WorkstationVMHL13Lmm::migrate(surf_resource_t ind_dst_pm)
+void WorkstationVMHL13::migrate(surf_resource_t ind_dst_pm)
{
/* ind_phys_workstation equals to smx_host_t */
- WorkstationPtr ws_dst = dynamic_cast<WorkstationPtr>(
- static_cast<ResourcePtr>(
- surf_workstation_resource_priv(ind_dst_pm)));
+ WorkstationPtr ws_dst = static_cast<WorkstationPtr>(surf_workstation_resource_priv(ind_dst_pm));
const char *vm_name = getName();
const char *pm_name_src = p_subWs->getName();
const char *pm_name_dst = ws_dst->getName();
/* update net_elm with that of the destination physical host */
RoutingEdgePtr old_net_elm = p_netElm;
- RoutingEdgePtr new_net_elm = static_cast<RoutingEdgePtr>(xbt_lib_get_or_null(host_lib, pm_name_dst, ROUTING_HOST_LEVEL));
+ RoutingEdgePtr new_net_elm = new RoutingEdgeWrapper(static_cast<RoutingEdgePtr>(xbt_lib_get_or_null(host_lib, pm_name_dst, ROUTING_HOST_LEVEL)));
xbt_assert(new_net_elm);
/* Unregister the current net_elm from host_lib. Do not call the free callback. */
#endif
/* create a cpu action bound to the pm model at the destination. */
- CpuActionLmmPtr new_cpu_action = dynamic_cast<CpuActionLmmPtr>(
- dynamic_cast<CpuCas01LmmPtr>(
- static_cast<ResourcePtr>(
- surf_cpu_resource_priv(ind_dst_pm)))->execute(0));
+ CpuActionPtr new_cpu_action = static_cast<CpuActionPtr>(
+ static_cast<CpuPtr>(surf_cpu_resource_priv(ind_dst_pm))->execute(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->getRemains() > 0)
- XBT_CRITICAL("FIXME: need copy the state(?), %f", p_action->getRemains());
-
- int ret = p_action->unref();
- xbt_assert(ret == 1, "Bug: some resource still remains");
+ if (p_action->getRemainsNoUpdate() > 0)
+ XBT_CRITICAL("FIXME: need copy the state(?), %f", p_action->getRemainsNoUpdate());
/* keep the bound value of the cpu action of the VM. */
double old_bound = p_action->getBound();
if (old_bound != 0) {
- XBT_INFO("migrate VM(%s): set bound (%lf) at %s", vm_name, old_bound, pm_name_dst);
+ XBT_INFO("migrate VM(%s): set bound (%f) at %s", vm_name, old_bound, pm_name_dst);
new_cpu_action->setBound(old_bound);
}
+ xbt_assert( p_action->unref() == 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 WorkstationVMHL13Lmm::setBound(double bound){
+void WorkstationVMHL13::setBound(double bound){
p_action->setBound(bound);
}
-void WorkstationVMHL13Lmm::setAffinity(CpuLmmPtr cpu, unsigned long mask){
+void WorkstationVMHL13::setAffinity(CpuPtr cpu, unsigned long mask){
p_action->setAffinity(cpu, mask);
}
/*
- * A surf level object will be useless in the upper layer. Returing the
+ * A surf level object will be useless in the upper layer. Returning the
* dict_elm of the host.
**/
-surf_resource_t WorkstationVMHL13Lmm::getPm()
+surf_resource_t WorkstationVMHL13::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. */
-ActionPtr WorkstationVMHL13Lmm::execute(double size)
+ActionPtr WorkstationVMHL13::execute(double size)
{
double old_cost = p_action->getCost();
double new_cost = old_cost + size;
p_action->setCost(new_cost);
- return WorkstationCLM03Lmm::execute(size);
+ return p_cpu->execute(size);
+}
+
+ActionPtr WorkstationVMHL13::sleep(double duration) {
+ return p_cpu->sleep(duration);
}
/**********
