1 /* Copyright (c) 2017-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/plugins/live_migration.h"
7 #include "simgrid/s4u.hpp"
8 #include "simgrid/s4u/VirtualMachine.hpp"
10 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_cloud_interrupt_migration, "Messages specific for this example");
12 static void vm_migrate(simgrid::s4u::VirtualMachine* vm, simgrid::s4u::Host* dst_pm)
14 const simgrid::s4u::Host* src_pm = vm->get_pm();
15 double mig_sta = simgrid::s4u::Engine::get_clock();
16 sg_vm_migrate(vm, dst_pm);
17 double mig_end = simgrid::s4u::Engine::get_clock();
19 XBT_INFO("%s migrated: %s->%s in %g s", vm->get_cname(), src_pm->get_cname(), dst_pm->get_cname(), mig_end - mig_sta);
22 static simgrid::s4u::ActorPtr vm_migrate_async(simgrid::s4u::VirtualMachine* vm, simgrid::s4u::Host* dst_pm)
24 return simgrid::s4u::Actor::create("mig_wrk", simgrid::s4u::Host::current(), vm_migrate, vm, dst_pm);
27 static void master_main()
29 simgrid::s4u::Host* pm0 = simgrid::s4u::Host::by_name("Fafard");
30 simgrid::s4u::Host* pm1 = simgrid::s4u::Host::by_name("Tremblay");
32 auto* vm0 = new simgrid::s4u::VirtualMachine("VM0", pm0, 1);
33 vm0->set_ramsize(1e9); // 1Gbytes
36 XBT_INFO("Start the migration of %s from %s to %s", vm0->get_cname(), pm0->get_cname(), pm1->get_cname());
37 vm_migrate_async(vm0, pm1);
39 simgrid::s4u::this_actor::sleep_for(2);
40 XBT_INFO("Wait! change my mind, shutdown %s. This ends the migration", vm0->get_cname());
43 simgrid::s4u::this_actor::sleep_for(8);
45 XBT_INFO("Start again the migration of %s from %s to %s", vm0->get_cname(), pm0->get_cname(), pm1->get_cname());
48 vm_migrate_async(vm0, pm1);
50 XBT_INFO("Wait for the completion of the migration this time");
51 simgrid::s4u::this_actor::sleep_for(200);
55 int main(int argc, char* argv[])
57 /* Get the arguments */
58 simgrid::s4u::Engine e(&argc, argv);
59 sg_vm_live_migration_plugin_init();
61 /* load the platform file */
62 e.load_platform(argv[1]);
64 simgrid::s4u::Actor::create("master_", simgrid::s4u::Host::by_name("Fafard"), master_main);
68 XBT_INFO("Bye (simulation time %g)", simgrid::s4u::Engine::get_clock());