-/* Copyright (c) 2013-2016. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2013-2018. 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 "src/plugins/vm/VirtualMachineImpl.hpp"
-#include "src/surf/FileImpl.hpp"
+#include "src/simix/smx_private.hpp"
+
#include <string>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_host, surf, "Logging specific to the SURF host module");
* Model *
*********/
-/* Each VM has a dummy CPU action on the PM layer. This CPU action works as the
- * constraint (capacity) of the VM in the PM layer. If the VM does not have any
- * active task, the dummy CPU action must be deactivated, so that the VM does
- * not get any CPU share in the PM layer. */
-void HostModel::ignoreEmptyVmInPmLMM()
+/* Each VM has a dummy CPU action on the PM layer. This CPU action works as the constraint (capacity) of the VM in the
+ * PM layer. If the VM does not have any active task, the dummy CPU action must be deactivated, so that the VM does not
+ * get any CPU share in the PM layer. */
+void HostModel::ignore_empty_vm_in_pm_LMM()
{
/* iterate for all virtual machines */
for (s4u::VirtualMachine* const& ws_vm : vm::VirtualMachineImpl::allVms_) {
Cpu* cpu = ws_vm->pimpl_cpu;
- int active_tasks = lmm_constraint_get_variable_amount(cpu->constraint());
+ int active_tasks = cpu->get_constraint()->get_variable_amount();
/* 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_tasks, ws_vm->pimpl_vm_->coreAmount());
+ int impact = std::min(active_tasks, ws_vm->get_impl()->get_core_amount());
XBT_DEBUG("set the weight of the dummy CPU action of VM%p on PM to %d (#tasks: %d)", ws_vm, impact, active_tasks);
if (impact > 0)
- ws_vm->pimpl_vm_->action_->setSharingWeight(1. / impact);
+ ws_vm->get_impl()->action_->set_priority(1. / impact);
else
- ws_vm->pimpl_vm_->action_->setSharingWeight(0.);
+ ws_vm->get_impl()->action_->set_priority(0.);
}
}
return -1.0;
}
-Action* HostModel::executeParallelTask(int host_nb, simgrid::s4u::Host** host_list, double* flops_amount,
- double* bytes_amount, double rate)
+kernel::resource::Action* HostModel::execute_parallel(int host_nb, s4u::Host** host_list, double* flops_amount,
+ double* bytes_amount, double rate)
{
- Action* action = nullptr;
- if ((host_nb == 1) && (has_cost(bytes_amount, 0) <= 0)) {
+ kernel::resource::Action* action = nullptr;
+ if ((host_nb == 1) && (has_cost(bytes_amount, 0) <= 0) && (has_cost(flops_amount, 0) > 0)) {
action = host_list[0]->pimpl_cpu->execution_start(flops_amount[0]);
} else if ((host_nb == 1) && (has_cost(flops_amount, 0) <= 0)) {
action = surf_network_model->communicate(host_list[0], host_list[0], bytes_amount[0], rate);
" - Self-comms with one host only\n"
" - Communications with two hosts and no computation");
}
- delete[] host_list;
- delete[] flops_amount;
- delete[] bytes_amount;
return action;
}
piface_->pimpl_ = this;
}
-void HostImpl::getAttachedStorageList(std::vector<const char*>* storages)
+HostImpl::~HostImpl()
+{
+ /* All processes should be gone when the host is turned off (by the end of the simulation). */
+ if (not process_list_.empty()) {
+ std::string msg = std::string("Shutting down host, but it's not empty:");
+ for (auto const& process : process_list_)
+ msg += "\n\t" + std::string(process.get_name());
+
+ SIMIX_display_process_status();
+ THROWF(arg_error, 0, "%s", msg.c_str());
+ }
+ for (auto const& arg : actors_at_boot_)
+ delete arg;
+ actors_at_boot_.clear();
+}
+
+/** Re-starts all the actors that are marked as restartable.
+ *
+ * Weird things will happen if you turn on an host that is already on. S4U is fool-proof, not this.
+ */
+void HostImpl::turn_on()
+{
+ for (auto const& arg : actors_at_boot_) {
+ XBT_DEBUG("Booting Actor %s(%s) right now", arg->name.c_str(), arg->host->get_cname());
+ smx_actor_t actor =
+ SIMIX_process_create(arg->name.c_str(), arg->code, nullptr, arg->host, arg->properties.get(), nullptr);
+ if (arg->kill_time >= 0)
+ simcall_process_set_kill_time(actor, arg->kill_time);
+ if (arg->auto_restart)
+ actor->auto_restart_ = arg->auto_restart;
+ if (arg->daemon_)
+ actor->daemonize();
+ }
+}
+
+/** Kill all actors hosted here */
+void HostImpl::turn_off()
+{
+ if (not process_list_.empty()) {
+ for (auto& actor : process_list_) {
+ XBT_DEBUG("Killing Actor %s@%s on behalf of %s which turned off that host.", actor.get_cname(),
+ actor.host_->get_cname(), SIMIX_process_self()->get_cname());
+ SIMIX_process_kill(&actor, SIMIX_process_self());
+ }
+ }
+ // When a host is turned off, we want to keep only the actors that should restart for when it will boot again.
+ // Then get rid of the others.
+ auto elm = remove_if(begin(actors_at_boot_), end(actors_at_boot_), [](kernel::actor::ProcessArg* arg) {
+ if (arg->auto_restart)
+ return false;
+ delete arg;
+ return true;
+ });
+ actors_at_boot_.erase(elm, end(actors_at_boot_));
+}
+
+std::vector<s4u::ActorPtr> HostImpl::get_all_actors()
+{
+ std::vector<s4u::ActorPtr> res;
+ for (auto& actor : process_list_)
+ res.push_back(actor.ciface());
+ return res;
+}
+int HostImpl::get_actor_count()
+{
+ return process_list_.size();
+}
+std::vector<const char*> HostImpl::get_attached_storages()
{
+ std::vector<const char*> storages;
for (auto const& s : storage_)
- if (s.second->getHost() == piface_->getCname())
- storages->push_back(s.second->piface_.getName());
+ if (s.second->getHost() == piface_->get_cname())
+ storages.push_back(s.second->piface_.get_cname());
+ return storages;
}
}
