1 /* Copyright (c) 2007-2022. 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/s4u.hpp"
7 #include "simgrid/plugins/live_migration.h"
8 #include "simgrid/s4u/VirtualMachine.hpp"
10 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_cloud_migration, "Messages specific for this example");
11 namespace sg4 = simgrid::s4u;
13 static void vm_migrate(sg4::VirtualMachine* vm, sg4::Host* dst_pm)
15 const sg4::Host* src_pm = vm->get_pm();
16 double mig_sta = sg4::Engine::get_clock();
17 sg_vm_migrate(vm, dst_pm);
18 double mig_end = sg4::Engine::get_clock();
20 XBT_INFO("%s migrated: %s->%s in %g s", vm->get_cname(), src_pm->get_cname(), dst_pm->get_cname(), mig_end - mig_sta);
23 static void vm_migrate_async(sg4::VirtualMachine* vm, sg4::Host* dst_pm)
25 sg4::Actor::create("mig_wrk", sg4::Host::current(), vm_migrate, vm, dst_pm);
28 static void master_main()
30 sg4::Host* pm0 = sg4::Host::by_name("Fafard");
31 sg4::Host* pm1 = sg4::Host::by_name("Tremblay");
32 sg4::Host* pm2 = sg4::Host::by_name("Bourassa");
34 auto* vm0 = pm0->create_vm("VM0", 1);
35 vm0->set_ramsize(1e9); // 1Gbytes
38 XBT_INFO("Test: Migrate a VM with %zu Mbytes RAM", vm0->get_ramsize() / 1000 / 1000);
43 vm0 = pm0->create_vm("VM0", 1);
44 vm0->set_ramsize(1e8); // 100Mbytes
47 XBT_INFO("Test: Migrate a VM with %zu Mbytes RAM", vm0->get_ramsize() / 1000 / 1000);
52 vm0 = pm0->create_vm("VM0", 1);
53 auto* vm1 = pm0->create_vm("VM1", 1);
55 vm0->set_ramsize(1e9); // 1Gbytes
56 vm1->set_ramsize(1e9); // 1Gbytes
60 XBT_INFO("Test: Migrate two VMs at once from PM0 to PM1");
61 vm_migrate_async(vm0, pm1);
62 vm_migrate_async(vm1, pm1);
63 sg4::this_actor::sleep_for(10000);
68 vm0 = pm0->create_vm("VM0", 1);
69 vm1 = pm0->create_vm("VM1", 1);
71 vm0->set_ramsize(1e9); // 1Gbytes
72 vm1->set_ramsize(1e9); // 1Gbytes
76 XBT_INFO("Test: Migrate two VMs at once to different PMs");
77 vm_migrate_async(vm0, pm1);
78 vm_migrate_async(vm1, pm2);
79 sg4::this_actor::sleep_for(10000);
85 int main(int argc, char* argv[])
87 /* Get the arguments */
88 sg4::Engine e(&argc, argv);
89 sg_vm_live_migration_plugin_init();
91 /* load the platform file */
92 e.load_platform(argv[1]);
94 sg4::Actor::create("master_", sg4::Host::by_name("Fafard"), master_main);
98 XBT_INFO("Bye (simulation time %g)", sg4::Engine::get_clock());