1 /* Copyright (c) 2007-2023. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "simgrid/actor.h"
8 #include "simgrid/engine.h"
9 #include "simgrid/host.h"
10 #include "simgrid/mailbox.h"
11 #include "simgrid/plugins/live_migration.h"
12 #include "simgrid/vm.h"
15 #include "xbt/sysdep.h"
17 XBT_LOG_NEW_DEFAULT_CATEGORY(cloud_migration, "Messages specific for this example");
19 static void vm_migrate(sg_vm_t vm, sg_host_t dst_pm)
21 const_sg_host_t src_pm = sg_vm_get_pm(vm);
22 double mig_sta = simgrid_get_clock();
23 sg_vm_migrate(vm, dst_pm);
24 double mig_end = simgrid_get_clock();
26 XBT_INFO("%s migrated: %s->%s in %g s", sg_vm_get_name(vm), sg_host_get_name(src_pm), sg_host_get_name(dst_pm),
30 static void migration_worker_main(int argc, char* argv[])
32 xbt_assert(argc == 3);
33 const char* vm_name = argv[1];
34 const char* dst_pm_name = argv[2];
36 sg_host_t src_pm = sg_host_self();
37 sg_vm_t vm = sg_vm_by_name(src_pm, vm_name);
38 sg_host_t dst_pm = sg_host_by_name(dst_pm_name);
40 vm_migrate(vm, dst_pm);
43 static void vm_migrate_async(const_sg_vm_t vm, const_sg_host_t dst_pm)
45 const char* vm_name = sg_vm_get_name(vm);
46 const char* dst_pm_name = sg_host_get_name(dst_pm);
48 const char* argv[] = {"mig_work", vm_name, dst_pm_name, NULL};
49 sg_actor_create_("mig_wrk", sg_host_self(), migration_worker_main, 3, argv);
52 static void master_main(int argc, char* argv[])
54 sg_host_t pm0 = sg_host_by_name("Fafard");
55 sg_host_t pm1 = sg_host_by_name("Tremblay");
56 const_sg_host_t pm2 = sg_host_by_name("Bourassa");
58 sg_vm_t vm0 = sg_vm_create_core(pm0, "VM0");
59 sg_vm_set_ramsize(vm0, 1e9); // 1Gbytes
62 XBT_INFO("Test: Migrate a VM with %zu Mbytes RAM", sg_vm_get_ramsize(vm0) / 1000 / 1000);
67 vm0 = sg_vm_create_core(pm0, "VM0");
68 sg_vm_set_ramsize(vm0, 1e8); // 100Mbytes
71 XBT_INFO("Test: Migrate a VM with %zu Mbytes RAM", sg_vm_get_ramsize(vm0) / 1000 / 1000);
76 vm0 = sg_vm_create_core(pm0, "VM0");
77 sg_vm_t vm1 = sg_vm_create_core(pm0, "VM1");
79 sg_vm_set_ramsize(vm0, 1e9); // 1Gbytes
80 sg_vm_set_ramsize(vm1, 1e9); // 1Gbytes
84 XBT_INFO("Test: Migrate two VMs at once from PM0 to PM1");
85 vm_migrate_async(vm0, pm1);
86 vm_migrate_async(vm1, pm1);
87 sg_actor_sleep_for(10000);
92 vm0 = sg_vm_create_core(pm0, "VM0");
93 vm1 = sg_vm_create_core(pm0, "VM1");
95 sg_vm_set_ramsize(vm0, 1e9); // 1Gbytes
96 sg_vm_set_ramsize(vm1, 1e9); // 1Gbytes
100 XBT_INFO("Test: Migrate two VMs at once to different PMs");
101 vm_migrate_async(vm0, pm1);
102 vm_migrate_async(vm1, pm2);
103 sg_actor_sleep_for(10000);
109 int main(int argc, char* argv[])
111 /* Get the arguments */
112 simgrid_init(&argc, argv);
113 sg_vm_live_migration_plugin_init();
115 /* load the platform file */
116 simgrid_load_platform(argv[1]);
118 sg_actor_create("master_", sg_host_by_name("Fafard"), master_main, 0, NULL);
121 XBT_INFO("Bye (simulation time %g)", simgrid_get_clock());