X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7da2926d0733ff0683f31aeea176ce71e127264f..314ed39f22e6e2f30248a673df4371c842cc3660:/src/surf/vm_hl13.cpp diff --git a/src/surf/vm_hl13.cpp b/src/surf/vm_hl13.cpp index acb25b8c2e..6e6e1f8585 100644 --- a/src/surf/vm_hl13.cpp +++ b/src/surf/vm_hl13.cpp @@ -4,6 +4,10 @@ /* 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 + +#include + #include "cpu_cas01.hpp" #include "vm_hl13.hpp" @@ -11,14 +15,15 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_vm); 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 * *********/ @@ -30,21 +35,11 @@ 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) */ -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 @@ -56,23 +51,7 @@ const double virt_overhead = 1; 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_ATTRIB_UNUSED Model *ws_model = surf_host_model; - XBT_ATTRIB_UNUSED Model *vm_ws_model = surf_vm_model; - XBT_ATTRIB_UNUSED unsigned int index_of_pm_ws_model = xbt_dynar_search(model_list_invoke, &ws_model); - XBT_ATTRIB_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. @@ -103,13 +82,13 @@ double VMHL13Model::shareResources(double now) 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; @@ -132,7 +111,7 @@ double VMHL13Model::shareResources(double now) 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) @@ -140,81 +119,16 @@ double VMHL13Model::shareResources(double now) 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(&*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(surf_host_resource_priv(host_PM)); - /* Currently, we assume a VM has no storage. */ p_storage = NULL; @@ -224,137 +138,82 @@ VMHL13::VMHL13(VMModel *model, const char* name, xbt_dict_t props, * 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(sg_host_surfcpu(host_PM)); + CpuCas01 *sub_cpu = static_cast(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_ATTRIB_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(surf_host_resource_priv(ind_dst_pm)); + Host *surfHost_dst = host_dest->extension(); 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( - static_cast(sg_host_surfcpu(ind_dst_pm))->execute(0)); + CpuAction *new_cpu_action = static_cast(host_dest->pimpl_cpu->execute(0)); e_surf_action_state_t state = p_action->getState(); if (state != SURF_ACTION_DONE) @@ -375,9 +234,7 @@ void VMHL13::migrate(surf_resource_t ind_dst_pm) 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){ @@ -388,37 +245,6 @@ void VMHL13::setAffinity(Cpu *cpu, unsigned long mask){ 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 -