-/* Copyright (c) 2013-2017. 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 <simgrid/plugins/live_migration.h>
-#include <simgrid/s4u.hpp>
-#include <simgrid/s4u/VirtualMachine.hpp>
-#include <src/instr/instr_private.hpp>
-#include <src/plugins/vm/VirtualMachineImpl.hpp>
-#include <src/plugins/vm/VmHostExt.hpp>
-#include <src/plugins/vm/VmLiveMigration.hpp>
-#include <xbt/ex.hpp>
+#include "src/plugins/vm/VmLiveMigration.hpp"
+#include "simgrid/Exception.hpp"
+#include "src/instr/instr_private.hpp"
+#include "src/plugins/vm/VirtualMachineImpl.hpp"
+#include "src/plugins/vm/VmHostExt.hpp"
XBT_LOG_NEW_DEFAULT_CATEGORY(vm_live_migration, "S4U virtual machines live migration");
bool received_finalize = false;
std::string finalize_task_name =
- std::string("__mig_stage3:") + vm_->getCname() + "(" + src_pm_->getCname() + "-" + dst_pm_->getCname() + ")";
+ std::string("__mig_stage3:") + vm_->get_cname() + "(" + src_pm_->get_cname() + "-" + dst_pm_->get_cname() + ")";
while (not received_finalize) {
std::string* payload = static_cast<std::string*>(mbox->get());
/* Update the vm location */
/* precopy migration makes the VM temporally paused */
- xbt_assert(vm_->getState() == SURF_VM_STATE_SUSPENDED);
+ xbt_assert(vm_->get_state() == s4u::VirtualMachine::state::SUSPENDED);
/* Update the vm location and resume it */
- vm_->setPm(dst_pm_);
+ vm_->set_pm(dst_pm_);
vm_->resume();
// Now the VM is running on the new host (the migration is completed) (even if the SRC crash)
- vm_->getImpl()->isMigrating = false;
- XBT_DEBUG("VM(%s) moved from PM(%s) to PM(%s)", vm_->getCname(), src_pm_->getCname(), dst_pm_->getCname());
+ vm_->get_impl()->is_migrating_ = false;
+ XBT_DEBUG("VM(%s) moved from PM(%s) to PM(%s)", vm_->get_cname(), src_pm_->get_cname(), dst_pm_->get_cname());
- if (TRACE_msg_vm_is_enabled()) {
+ if (TRACE_vm_is_enabled()) {
static long long int counter = 0;
std::string key = std::to_string(counter);
counter++;
// start link
- container_t msg = simgrid::instr::Container::byName(vm_->getName());
- simgrid::instr::Container::getRoot()->getLink("MSG_VM_LINK")->startEvent(msg, "M", key);
+ container_t msg = simgrid::instr::Container::by_name(vm_->get_name());
+ simgrid::instr::Container::get_root()->get_link("VM_LINK")->start_event(msg, "M", key);
// destroy existing container of this vm
- container_t existing_container = simgrid::instr::Container::byName(vm_->getName());
- existing_container->removeFromParent();
- delete existing_container;
+ simgrid::instr::Container::by_name(vm_->get_name())->remove_from_parent();
// create new container on the new_host location
- new simgrid::instr::Container(vm_->getCname(), "MSG_VM", simgrid::instr::Container::byName(dst_pm_->getName()));
+ new simgrid::instr::Container(vm_->get_cname(), "VM", simgrid::instr::Container::by_name(dst_pm_->get_name()));
// end link
- msg = simgrid::instr::Container::byName(vm_->getName());
- simgrid::instr::Container::getRoot()->getLink("MSG_VM_LINK")->endEvent(msg, "M", key);
+ msg = simgrid::instr::Container::by_name(vm_->get_name());
+ simgrid::instr::Container::get_root()->get_link("VM_LINK")->end_event(msg, "M", key);
}
// Inform the SRC that the migration has been correctly performed
std::string* payload = new std::string("__mig_stage4:");
- *payload = *payload + vm_->getCname() + "(" + src_pm_->getCname() + "-" + dst_pm_->getCname() + ")";
+ *payload = *payload + vm_->get_cname() + "(" + src_pm_->get_cname() + "-" + dst_pm_->get_cname() + ")";
mbox_ctl->put(payload, 0);
{
sg_size_t sent = size;
std::string* msg = new std::string("__mig_stage");
- *msg = *msg + std::to_string(stage) + ":" + vm_->getCname() + "(" + src_pm_->getCname() + "-" + dst_pm_->getCname() +
- ")";
+ *msg = *msg + std::to_string(stage) + ":" + vm_->get_cname() + "(" + src_pm_->get_cname() + "-" +
+ dst_pm_->get_cname() + ")";
- double clock_sta = s4u::Engine::getClock();
+ double clock_sta = s4u::Engine::get_clock();
s4u::Activity* comm = nullptr;
try {
if (mig_speed > 0)
- comm = mbox->put_init(msg, size)->setRate(mig_speed)->wait(timeout);
+ comm = mbox->put_init(msg, size)->set_rate(mig_speed)->wait_for(timeout);
else
- comm = mbox->put_async(msg, size)->wait();
+ comm = mbox->put_async(msg, size)->wait_for(timeout);
} catch (xbt_ex& e) {
if (comm) {
- sg_size_t remaining = static_cast<sg_size_t>(comm->getRemains());
+ sg_size_t remaining = static_cast<sg_size_t>(comm->get_remaining());
XBT_VERB("timeout (%lf s) in sending_migration_data, remaining %llu bytes of %llu", timeout, remaining, size);
sent -= remaining;
}
delete msg;
}
- double clock_end = s4u::Engine::getClock();
+ double clock_end = s4u::Engine::get_clock();
double duration = clock_end - clock_sta;
double actual_speed = size / duration;
{
XBT_DEBUG("mig: tx_start");
- double host_speed = vm_->getPm()->getSpeed();
- const sg_size_t ramsize = vm_->getRamsize();
+ double host_speed = vm_->get_pm()->get_speed();
+ const sg_size_t ramsize = vm_->get_ramsize();
const double dp_rate =
host_speed ? (sg_vm_get_migration_speed(vm_) * sg_vm_get_dirty_page_intensity(vm_)) / host_speed : 1;
const sg_size_t dp_cap = sg_vm_get_working_set_memory(vm_);
sg_vm_start_dirty_page_tracking(vm_);
double computed_during_stage1 = 0;
- double clock_prev_send = s4u::Engine::getClock();
+ double clock_prev_send = s4u::Engine::get_clock();
try {
/* At stage 1, we do not need timeout. We have to send all the memory pages even though the duration of this
return;
}
- double clock_post_send = s4u::Engine::getClock();
+ double clock_post_send = s4u::Engine::get_clock();
mig_timeout -= (clock_post_send - clock_prev_send);
if (mig_timeout < 0) {
XBT_VERB("The duration of stage 1 exceeds the timeout value, skip stage 2");
break;
sg_size_t sent = 0;
- double clock_prev_send = s4u::Engine::getClock();
+ double clock_prev_send = s4u::Engine::get_clock();
try {
XBT_DEBUG("Stage 2, gonna send %llu", updated_size);
sent = sendMigrationData(updated_size, 2, stage2_round, mig_speed, mig_timeout);
sg_vm_stop_dirty_page_tracking(vm_);
return;
}
- double clock_post_send = s4u::Engine::getClock();
+ double clock_post_send = s4u::Engine::get_clock();
if (sent == updated_size) {
/* timeout did not happen */
}
}
-SG_BEGIN_DECL()
-
-static void onVirtualMachineShutdown(simgrid::s4u::VirtualMachine* vm)
+static void onVirtualMachineShutdown(simgrid::s4u::VirtualMachine& vm)
{
- if (vm->getImpl()->isMigrating) {
- vm->extension<simgrid::vm::VmMigrationExt>()->rx_->kill();
- vm->extension<simgrid::vm::VmMigrationExt>()->tx_->kill();
- vm->extension<simgrid::vm::VmMigrationExt>()->issuer_->kill();
- vm->getImpl()->isMigrating = false;
+ if (vm.get_impl()->is_migrating_) {
+ vm.extension<simgrid::vm::VmMigrationExt>()->rx_->kill();
+ vm.extension<simgrid::vm::VmMigrationExt>()->tx_->kill();
+ vm.extension<simgrid::vm::VmMigrationExt>()->issuer_->kill();
+ vm.get_impl()->is_migrating_ = false;
}
}
{
sg_vm_dirty_page_tracking_init();
simgrid::vm::VmMigrationExt::ensureVmMigrationExtInstalled();
- simgrid::s4u::VirtualMachine::onVmShutdown.connect(&onVirtualMachineShutdown);
+ simgrid::s4u::VirtualMachine::on_shutdown.connect(&onVirtualMachineShutdown);
}
simgrid::s4u::VirtualMachine* sg_vm_create_migratable(simgrid::s4u::Host* pm, const char* name, int coreAmount,
/* For the moment, intensity_rate is the percentage against the migration bandwidth */
- msg_vm_t vm = new simgrid::s4u::VirtualMachine(name, pm, coreAmount, static_cast<sg_size_t>(ramsize) * 1024 * 1024);
+ sg_vm_t vm = new simgrid::s4u::VirtualMachine(name, pm, coreAmount, static_cast<sg_size_t>(ramsize) * 1024 * 1024);
sg_vm_set_dirty_page_intensity(vm, dp_intensity / 100.0);
- sg_vm_set_working_set_memory(vm, vm->getRamsize() * 0.9); // assume working set memory is 90% of ramsize
+ sg_vm_set_working_set_memory(vm, vm->get_ramsize() * 0.9); // assume working set memory is 90% of ramsize
sg_vm_set_migration_speed(vm, mig_netspeed * 1024 * 1024.0);
XBT_DEBUG("migspeed : %f intensity mem : %d", mig_netspeed * 1024 * 1024.0, dp_intensity);
int sg_vm_is_migrating(simgrid::s4u::VirtualMachine* vm)
{
- return vm->getImpl()->isMigrating;
+ return vm->get_impl()->is_migrating_;
}
void sg_vm_migrate(simgrid::s4u::VirtualMachine* vm, simgrid::s4u::Host* dst_pm)
{
- simgrid::s4u::Host* src_pm = vm->getPm();
+ simgrid::s4u::Host* src_pm = vm->get_pm();
- if (src_pm->isOff())
- THROWF(vm_error, 0, "Cannot migrate VM '%s' from host '%s', which is offline.", vm->getCname(), src_pm->getCname());
- if (dst_pm->isOff())
- THROWF(vm_error, 0, "Cannot migrate VM '%s' to host '%s', which is offline.", vm->getCname(), dst_pm->getCname());
- if (vm->getState() != SURF_VM_STATE_RUNNING)
- THROWF(vm_error, 0, "Cannot migrate VM '%s' that is not running yet.", vm->getCname());
- if (vm->getImpl()->isMigrating)
- THROWF(vm_error, 0, "Cannot migrate VM '%s' that is already migrating.", vm->getCname());
+ if (src_pm->is_off())
+ THROWF(vm_error, 0, "Cannot migrate VM '%s' from host '%s', which is offline.", vm->get_cname(),
+ src_pm->get_cname());
+ if (dst_pm->is_off())
+ THROWF(vm_error, 0, "Cannot migrate VM '%s' to host '%s', which is offline.", vm->get_cname(), dst_pm->get_cname());
+ if (vm->get_state() != simgrid::s4u::VirtualMachine::state::RUNNING)
+ THROWF(vm_error, 0, "Cannot migrate VM '%s' that is not running yet.", vm->get_cname());
+ if (vm->get_impl()->is_migrating_)
+ THROWF(vm_error, 0, "Cannot migrate VM '%s' that is already migrating.", vm->get_cname());
- vm->getImpl()->isMigrating = true;
+ vm->get_impl()->is_migrating_ = true;
+ simgrid::s4u::VirtualMachine::on_migration_start(*vm);
std::string rx_name =
- std::string("__pr_mig_rx:") + vm->getCname() + "(" + src_pm->getCname() + "-" + dst_pm->getCname() + ")";
+ std::string("__pr_mig_rx:") + vm->get_cname() + "(" + src_pm->get_cname() + "-" + dst_pm->get_cname() + ")";
std::string tx_name =
- std::string("__pr_mig_tx:") + vm->getCname() + "(" + src_pm->getCname() + "-" + dst_pm->getCname() + ")";
+ std::string("__pr_mig_tx:") + vm->get_cname() + "(" + src_pm->get_cname() + "-" + dst_pm->get_cname() + ")";
simgrid::s4u::ActorPtr rx =
- simgrid::s4u::Actor::createActor(rx_name.c_str(), dst_pm, simgrid::vm::MigrationRx(vm, dst_pm));
+ simgrid::s4u::Actor::create(rx_name.c_str(), dst_pm, simgrid::vm::MigrationRx(vm, dst_pm));
simgrid::s4u::ActorPtr tx =
- simgrid::s4u::Actor::createActor(tx_name.c_str(), src_pm, simgrid::vm::MigrationTx(vm, dst_pm));
+ simgrid::s4u::Actor::create(tx_name.c_str(), src_pm, simgrid::vm::MigrationTx(vm, dst_pm));
vm->extension_set<simgrid::vm::VmMigrationExt>(new simgrid::vm::VmMigrationExt(simgrid::s4u::Actor::self(), rx, tx));
/* wait until the migration have finished or on error has occurred */
XBT_DEBUG("wait for reception of the final ACK (i.e. migration has been correctly performed");
- simgrid::s4u::MailboxPtr mbox_ctl = simgrid::s4u::Mailbox::byName(
- std::string("__mbox_mig_ctl:") + vm->getCname() + "(" + src_pm->getCname() + "-" + dst_pm->getCname() + ")");
+ simgrid::s4u::MailboxPtr mbox_ctl = simgrid::s4u::Mailbox::by_name(
+ std::string("__mbox_mig_ctl:") + vm->get_cname() + "(" + src_pm->get_cname() + "-" + dst_pm->get_cname() + ")");
delete static_cast<std::string*>(mbox_ctl->get());
tx->join();
rx->join();
- vm->getImpl()->isMigrating = false;
-}
+ vm->get_impl()->is_migrating_ = false;
+ simgrid::s4u::VirtualMachine::on_migration_end(*vm);
}
