include examples/c/async-waitany/async-waitany.c
include examples/c/async-waitany/async-waitany.tesh
include examples/c/async-waitany/async-waitany_d.xml
+include examples/c/cloud-capping/cloud-capping.c
+include examples/c/cloud-capping/cloud-capping.tesh
include examples/c/cloud-simple/cloud-simple.c
include examples/c/cloud-simple/cloud-simple.tesh
include examples/c/energy-exec/energy-exec.c
include teshsuite/msg/async-wait/async-wait3_d.xml
include teshsuite/msg/async-wait/async-wait4_d.xml
include teshsuite/msg/async-wait/async-wait_d.xml
-include teshsuite/msg/cloud-capping/cloud-capping.c
-include teshsuite/msg/cloud-capping/cloud-capping.tesh
include teshsuite/msg/cloud-migration/cloud-migration.c
include teshsuite/msg/cloud-migration/cloud-migration.tesh
include teshsuite/msg/cloud-two-tasks/cloud-two-tasks.c
include include/simgrid/config.h.in
include include/simgrid/disk.h
include include/simgrid/engine.h
+include include/simgrid/exec.h
include include/simgrid/forward.h
include include/simgrid/host.h
include include/simgrid/instr.h
actor-create actor-daemon actor-exiting actor-join actor-kill actor-migrate actor-suspend actor-yield
app-pingpong app-token-ring
async-waitall async-waitany
- cloud-simple
+ cloud-capping cloud-simple
energy-exec
io-disk-raw
plugin-hostload)
actor-create actor-daemon actor-exiting actor-join actor-kill actor-migrate actor-suspend actor-yield
app-pingpong app-token-ring
async-waitall async-waitany
- cloud-simple
+ cloud-capping cloud-simple
energy-exec
io-disk-raw
plugin-hostload)
--- /dev/null
+/* Copyright (c) 2007-2020. 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/actor.h"
+#include "simgrid/engine.h"
+#include "simgrid/exec.h"
+#include "simgrid/host.h"
+#include "simgrid/plugins/live_migration.h"
+#include "simgrid/vm.h"
+
+#include "xbt/asserts.h"
+#include "xbt/log.h"
+#include "xbt/str.h"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(cloud_capping, "Messages specific for this example");
+
+static void worker_main(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
+{
+ xbt_assert(argc == 4);
+ double computation_amount = xbt_str_parse_double(argv[1], "Invalid computation amount: %s");
+ int use_bound = xbt_str_parse_int(argv[2], "Second parameter (use_bound) should be 0 or 1 but is: %s");
+ double bound = xbt_str_parse_double(argv[3], "Invalid bound: %s");
+
+ double clock_sta = simgrid_get_clock();
+
+ sg_exec_t exec = sg_actor_exec_init(computation_amount);
+ if (use_bound) {
+ if (bound < 1e-12) /* close enough to 0 without any floating precision surprise */
+ XBT_INFO("bound == 0 means no capping (i.e., unlimited).");
+ sg_exec_set_bound(exec, bound);
+ }
+ sg_exec_wait(exec);
+
+ double clock_end = simgrid_get_clock();
+ double duration = clock_end - clock_sta;
+ double flops_per_sec = computation_amount / duration;
+
+ if (use_bound)
+ XBT_INFO("bound to %f => duration %f (%f flops/s)", bound, duration, flops_per_sec);
+ else
+ XBT_INFO("not bound => duration %f (%f flops/s)", duration, flops_per_sec);
+}
+
+static void launch_worker(sg_host_t host, const char* pr_name, double computation_amount, int use_bound, double bound)
+{
+ char* argv1 = bprintf("%f", computation_amount);
+ char* argv2 = bprintf("%d", use_bound);
+ char* argv3 = bprintf("%f", bound);
+ const char* argv[] = {pr_name, argv1, argv2, argv3, NULL};
+
+ sg_actor_t actor = sg_actor_init(pr_name, host);
+ sg_actor_start(actor, worker_main, 4, argv);
+
+ free(argv1);
+ free(argv2);
+ free(argv3);
+}
+
+static void worker_busy_loop(int argc, char* argv[])
+{
+ char* name = argv[1];
+ double speed = xbt_str_parse_double(argv[2], "Invalid speed value");
+ double exec_remain_prev = 1e11;
+
+ sg_exec_t exec = sg_actor_exec_async(exec_remain_prev);
+ for (int i = 0; i < 10; i++) {
+ if (speed > 0) {
+ double new_bound = (speed / 10) * i;
+ XBT_INFO("set bound of VM1 to %f", new_bound);
+ sg_vm_set_bound(((sg_vm_t)sg_actor_get_host(sg_actor_self())), new_bound);
+ }
+ sg_actor_sleep_for(100);
+ double exec_remain_now = sg_exec_get_remaining(exec);
+ double flops_per_sec = exec_remain_prev - exec_remain_now;
+ XBT_INFO("%s@%s: %.0f flops/s", name, sg_host_get_name(sg_actor_get_host(sg_actor_self())), flops_per_sec / 100);
+ exec_remain_prev = exec_remain_now;
+ sg_actor_sleep_for(1);
+ }
+
+ sg_exec_wait(exec);
+}
+
+static void test_dynamic_change()
+{
+ sg_host_t pm0 = sg_host_by_name("Fafard");
+
+ sg_vm_t vm0 = sg_vm_create_core(pm0, "VM0");
+ sg_vm_t vm1 = sg_vm_create_core(pm0, "VM1");
+ sg_vm_start(vm0);
+ sg_vm_start(vm1);
+
+ int w0_argc = 3;
+ const char* w0_argv[] = {"worker0", "Task0", "-1.0", NULL};
+ sg_actor_t w0 = sg_actor_init("worker0", (sg_host_t)vm0);
+ sg_actor_start(w0, worker_busy_loop, w0_argc, w0_argv);
+
+ int w1_argc = 3;
+ char* speed = bprintf("%f", sg_host_speed(pm0));
+ const char* w1_argv[] = {"worker1", "Task1", speed, NULL};
+
+ sg_actor_t w1 = sg_actor_init("worker1", (sg_host_t)vm1);
+ sg_actor_start(w1, worker_busy_loop, w1_argc, w1_argv);
+
+ sg_actor_sleep_for(3000); // let the tasks end
+
+ sg_vm_destroy(vm0);
+ sg_vm_destroy(vm1);
+ free(speed);
+}
+
+static void test_one_task(sg_host_t hostA)
+{
+ const double cpu_speed = sg_host_speed(hostA);
+ const double computation_amount = cpu_speed * 10;
+ const char* hostA_name = sg_host_get_name(hostA);
+
+ XBT_INFO("### Test: with/without MSG_task_set_bound");
+
+ XBT_INFO("### Test: no bound for Task1@%s", hostA_name);
+ launch_worker(hostA, "worker0", computation_amount, 0, 0);
+
+ sg_actor_sleep_for(1000);
+
+ XBT_INFO("### Test: 50%% for Task1@%s", hostA_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 2);
+
+ sg_actor_sleep_for(1000);
+
+ XBT_INFO("### Test: 33%% for Task1@%s", hostA_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 3);
+
+ sg_actor_sleep_for(1000);
+
+ XBT_INFO("### Test: zero for Task1@%s (i.e., unlimited)", hostA_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, 0);
+
+ sg_actor_sleep_for(1000);
+
+ XBT_INFO("### Test: 200%% for Task1@%s (i.e., meaningless)", hostA_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed * 2);
+
+ sg_actor_sleep_for(1000);
+}
+
+static void test_two_tasks(sg_host_t hostA, sg_host_t hostB)
+{
+ const double cpu_speed = sg_host_speed(hostA);
+ xbt_assert(cpu_speed == sg_host_speed(hostB));
+ const double computation_amount = cpu_speed * 10;
+ const char* hostA_name = sg_host_get_name(hostA);
+ const char* hostB_name = sg_host_get_name(hostB);
+
+ XBT_INFO("### Test: no bound for Task1@%s, no bound for Task2@%s", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 0, 0);
+ launch_worker(hostB, "worker1", computation_amount, 0, 0);
+
+ sg_actor_sleep_for(1000);
+
+ XBT_INFO("### Test: 0 for Task1@%s, 0 for Task2@%s (i.e., unlimited)", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, 0);
+ launch_worker(hostB, "worker1", computation_amount, 1, 0);
+
+ sg_actor_sleep_for(1000);
+
+ XBT_INFO("### Test: 50%% for Task1@%s, 50%% for Task2@%s", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 2);
+ launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 2);
+
+ sg_actor_sleep_for(1000);
+
+ XBT_INFO("### Test: 25%% for Task1@%s, 25%% for Task2@%s", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 4);
+ launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 4);
+
+ sg_actor_sleep_for(1000);
+
+ XBT_INFO("### Test: 75%% for Task1@%s, 100%% for Task2@%s", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed * 0.75);
+ launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed);
+
+ sg_actor_sleep_for(1000);
+
+ XBT_INFO("### Test: no bound for Task1@%s, 25%% for Task2@%s", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 0, 0);
+ launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 4);
+
+ sg_actor_sleep_for(1000);
+
+ XBT_INFO("### Test: 75%% for Task1@%s, 25%% for Task2@%s", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed * 0.75);
+ launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 4);
+
+ sg_actor_sleep_for(1000);
+}
+
+static void master_main(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
+{
+ sg_host_t pm0 = sg_host_by_name("Fafard");
+ sg_host_t pm1 = sg_host_by_name("Fafard");
+
+ XBT_INFO("# 1. Put a single task on a PM. ");
+ test_one_task(pm0);
+ XBT_INFO(" ");
+
+ XBT_INFO("# 2. Put two tasks on a PM.");
+ test_two_tasks(pm0, pm0);
+ XBT_INFO(" ");
+
+ sg_vm_t vm0 = sg_vm_create_core(pm0, "VM0");
+ sg_vm_start(vm0);
+
+ XBT_INFO("# 3. Put a single task on a VM. ");
+ test_one_task((sg_host_t)vm0);
+ XBT_INFO(" ");
+
+ XBT_INFO("# 4. Put two tasks on a VM.");
+ test_two_tasks((sg_host_t)vm0, (sg_host_t)vm0);
+ XBT_INFO(" ");
+
+ sg_vm_destroy(vm0);
+
+ vm0 = sg_vm_create_core(pm0, "VM0");
+ sg_vm_start(vm0);
+
+ XBT_INFO("# 6. Put a task on a PM and a task on a VM.");
+ test_two_tasks(pm0, (sg_host_t)vm0);
+ XBT_INFO(" ");
+
+ sg_vm_destroy(vm0);
+
+ vm0 = sg_vm_create_core(pm0, "VM0");
+ double cpu_speed = sg_host_speed(pm0);
+ sg_vm_set_bound(vm0, cpu_speed / 10);
+ sg_vm_start(vm0);
+
+ XBT_INFO("# 7. Put a single task on the VM capped by 10%%.");
+ test_one_task((sg_host_t)vm0);
+ XBT_INFO(" ");
+
+ XBT_INFO("# 8. Put two tasks on the VM capped by 10%%.");
+ test_two_tasks((sg_host_t)vm0, (sg_host_t)vm0);
+ XBT_INFO(" ");
+
+ XBT_INFO("# 9. Put a task on a PM and a task on the VM capped by 10%%.");
+ test_two_tasks(pm0, (sg_host_t)vm0);
+ XBT_INFO(" ");
+
+ sg_vm_destroy(vm0);
+
+ vm0 = sg_vm_create_core(pm0, "VM0");
+
+ sg_vm_set_ramsize(vm0, 1e9); // 1GB
+ sg_vm_start(vm0);
+
+ cpu_speed = sg_host_speed(pm0);
+ sg_vm_start(vm0);
+
+ XBT_INFO("# 10. Test migration");
+ const double computation_amount = cpu_speed * 10;
+
+ XBT_INFO("# 10. (a) Put a task on a VM without any bound.");
+ launch_worker((sg_host_t)vm0, "worker0", computation_amount, 0, 0);
+ sg_actor_sleep_for(1000);
+ XBT_INFO(" ");
+
+ XBT_INFO("# 10. (b) set 10%% bound to the VM, and then put a task on the VM.");
+ sg_vm_set_bound(vm0, cpu_speed / 10);
+ launch_worker((sg_host_t)vm0, "worker0", computation_amount, 0, 0);
+ sg_actor_sleep_for(1000);
+ XBT_INFO(" ");
+
+ XBT_INFO("# 10. (c) migrate");
+ sg_vm_migrate(vm0, pm1);
+ XBT_INFO(" ");
+
+ XBT_INFO("# 10. (d) Put a task again on the VM.");
+ launch_worker((sg_host_t)vm0, "worker0", computation_amount, 0, 0);
+ sg_actor_sleep_for(1000);
+ XBT_INFO(" ");
+
+ sg_vm_destroy(vm0);
+
+ XBT_INFO("# 11. Change a bound dynamically.");
+ test_dynamic_change();
+}
+
+int main(int argc, char* argv[])
+{
+ /* Get the arguments */
+ simgrid_init(&argc, argv);
+ sg_vm_live_migration_plugin_init();
+
+ /* load the platform file */
+ xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s ../platforms/small_platform.xml\n", argv[0], argv[0]);
+
+ simgrid_load_platform(argv[1]);
+
+ sg_actor_t actor = sg_actor_init("master_", sg_host_by_name("Fafard"));
+ sg_actor_start(actor, master_main, 0, NULL);
+
+ simgrid_run();
+ XBT_INFO("Bye (simulation time %g)", simgrid_get_clock());
+
+ return 0;
+}
-$ ${bindir:=.}/cloud-capping ${platfdir}/small_platform.xml --log=no_loc "--log=root.fmt:[%10.6r]%e(%i:%P@%h)%e%m%n"
+! output sort
+$ ${bindir:=.}/cloud-capping-c ${platfdir}/small_platform.xml --log=no_loc "--log=root.fmt:[%10.6r]%e(%i:%P@%h)%e%m%n"
> [ 0.000000] (1:master_@Fafard) # 1. Put a single task on a PM.
> [ 0.000000] (1:master_@Fafard) ### Test: with/without MSG_task_set_bound
> [ 0.000000] (1:master_@Fafard) ### Test: no bound for Task1@Fafard
> [52102.070722] (91:worker0@VM0) not bound => duration 100.000000 (7629600.000000 flops/s)
> [53002.070722] (1:master_@Fafard)
> [53002.070722] (1:master_@Fafard) # 11. Change a bound dynamically.
-> [53002.070722] (1:master_@Fafard) set bound of VM1 to 0.000000
-> [53102.070722] (1:master_@Fafard) Task0@VM0: 38148000.000000 flops/s
-> [53102.070722] (1:master_@Fafard) Task1@VM1: 38148000.000000 flops/s
-> [53102.070722] (1:master_@Fafard) set bound of VM1 to 7629600.000000
-> [53202.070722] (1:master_@Fafard) Task0@VM0: 68666400.000000 flops/s
-> [53202.070722] (1:master_@Fafard) Task1@VM1: 7629600.000000 flops/s
-> [53202.070722] (1:master_@Fafard) set bound of VM1 to 15259200.000000
-> [53302.070722] (1:master_@Fafard) Task0@VM0: 61036800.000000 flops/s
-> [53302.070722] (1:master_@Fafard) Task1@VM1: 15259200.000000 flops/s
-> [53302.070722] (1:master_@Fafard) set bound of VM1 to 22888800.000000
-> [53402.070722] (1:master_@Fafard) Task0@VM0: 53407200.000000 flops/s
-> [53402.070722] (1:master_@Fafard) Task1@VM1: 22888800.000000 flops/s
-> [53402.070722] (1:master_@Fafard) set bound of VM1 to 30518400.000000
-> [53502.070722] (1:master_@Fafard) Task0@VM0: 45777600.000000 flops/s
-> [53502.070722] (1:master_@Fafard) Task1@VM1: 30518400.000000 flops/s
-> [53502.070722] (1:master_@Fafard) set bound of VM1 to 38148000.000000
-> [53602.070722] (1:master_@Fafard) Task0@VM0: 38148000.000000 flops/s
-> [53602.070722] (1:master_@Fafard) Task1@VM1: 38148000.000000 flops/s
-> [53602.070722] (1:master_@Fafard) set bound of VM1 to 45777600.000000
-> [53702.070722] (1:master_@Fafard) Task0@VM0: 38148000.000000 flops/s
-> [53702.070722] (1:master_@Fafard) Task1@VM1: 38148000.000000 flops/s
-> [53702.070722] (1:master_@Fafard) set bound of VM1 to 53407200.000000
-> [53802.070722] (1:master_@Fafard) Task0@VM0: 38148000.000000 flops/s
-> [53802.070722] (1:master_@Fafard) Task1@VM1: 38148000.000000 flops/s
-> [53802.070722] (1:master_@Fafard) set bound of VM1 to 61036800.000000
-> [53902.070722] (1:master_@Fafard) Task0@VM0: 38148000.000000 flops/s
-> [53902.070722] (1:master_@Fafard) Task1@VM1: 38148000.000000 flops/s
-> [53902.070722] (1:master_@Fafard) set bound of VM1 to 68666400.000000
-> [54002.070722] (1:master_@Fafard) Task0@VM0: 38148000.000000 flops/s
-> [54002.070722] (1:master_@Fafard) Task1@VM1: 38148000.000000 flops/s
+> [53002.070722] (93:worker1@VM1) set bound of VM1 to 0.000000
+> [53102.070722] (93:worker1@VM1) Task1@VM1: 38148000 flops/s
+> [53102.070722] (92:worker0@VM0) Task0@VM0: 38148000 flops/s
+> [53103.070722] (93:worker1@VM1) set bound of VM1 to 7629600.000000
+> [53203.070722] (93:worker1@VM1) Task1@VM1: 8011080 flops/s
+> [53203.070722] (92:worker0@VM0) Task0@VM0: 69047880 flops/s
+> [53204.070722] (93:worker1@VM1) set bound of VM1 to 15259200.000000
+> [53304.070722] (93:worker1@VM1) Task1@VM1: 15335496 flops/s
+> [53304.070722] (92:worker0@VM0) Task0@VM0: 61723464 flops/s
+> [53305.070722] (93:worker1@VM1) set bound of VM1 to 22888800.000000
+> [53405.070722] (93:worker1@VM1) Task1@VM1: 23041392 flops/s
+> [53405.070722] (92:worker0@VM0) Task0@VM0: 54017568 flops/s
+> [53406.070722] (93:worker1@VM1) set bound of VM1 to 30518400.000000
+> [53506.070722] (93:worker1@VM1) Task1@VM1: 30747288 flops/s
+> [53506.070722] (92:worker0@VM0) Task0@VM0: 46311672 flops/s
+> [53507.070722] (93:worker1@VM1) set bound of VM1 to 38148000.000000
+> [53607.070722] (93:worker1@VM1) Task1@VM1: 38453184 flops/s
+> [53607.070722] (92:worker0@VM0) Task0@VM0: 38605776 flops/s
+> [53608.070722] (93:worker1@VM1) set bound of VM1 to 45777600.000000
+> [53708.070722] (93:worker1@VM1) Task1@VM1: 38529480 flops/s
+> [53708.070722] (92:worker0@VM0) Task0@VM0: 38529480 flops/s
+> [53709.070722] (93:worker1@VM1) set bound of VM1 to 53407200.000000
+> [53809.070722] (93:worker1@VM1) Task1@VM1: 38529480 flops/s
+> [53809.070722] (92:worker0@VM0) Task0@VM0: 38529480 flops/s
+> [53810.070722] (93:worker1@VM1) set bound of VM1 to 61036800.000000
+> [53910.070722] (93:worker1@VM1) Task1@VM1: 38529480 flops/s
+> [53910.070722] (92:worker0@VM0) Task0@VM0: 38529480 flops/s
+> [53911.070722] (93:worker1@VM1) set bound of VM1 to 68666400.000000
+> [54011.070722] (93:worker1@VM1) Task1@VM1: 38529480 flops/s
+> [54011.070722] (92:worker0@VM0) Task0@VM0: 38529480 flops/s
> [56002.070722] (0:maestro@) Bye (simulation time 56002.1)
# C examples
foreach(x async-wait
- cloud-capping cloud-migration cloud-two-tasks
+ cloud-migration cloud-two-tasks
get_sender host_on_off host_on_off_recv
process-lifetime
energy-ptask energy-pstate platform-properties
foreach(x
async-wait
app-bittorrent app-chainsend
- cloud-capping cloud-migration cloud-two-tasks
+ cloud-migration cloud-two-tasks
energy-pstate
host_on_off host_on_off_processes host_on_off_recv
get_sender
+++ /dev/null
-/* Copyright (c) 2007-2020. 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/msg.h"
-#include "simgrid/plugins/live_migration.h"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
-
-/** @addtogroup MSG_examples
- *
- * - <b>cloud/bound.c</b>: Demonstrates the use of @ref MSG_task_set_bound
- */
-
-static int worker_main(int argc, char* argv[])
-{
- xbt_assert(argc == 4);
- double computation_amount = xbt_str_parse_double(argv[1], "Invalid computation amount: %s");
- int use_bound = xbt_str_parse_int(argv[2], "Second parameter (use_bound) should be 0 or 1 but is: %s");
- double bound = xbt_str_parse_double(argv[3], "Invalid bound: %s");
-
- double clock_sta = MSG_get_clock();
-
- msg_task_t task = MSG_task_create("Task", computation_amount, 0, NULL);
- if (use_bound)
- MSG_task_set_bound(task, bound);
- MSG_task_execute(task);
- MSG_task_destroy(task);
-
- double clock_end = MSG_get_clock();
- double duration = clock_end - clock_sta;
- double flops_per_sec = computation_amount / duration;
-
- if (use_bound)
- XBT_INFO("bound to %f => duration %f (%f flops/s)", bound, duration, flops_per_sec);
- else
- XBT_INFO("not bound => duration %f (%f flops/s)", duration, flops_per_sec);
-
- return 0;
-}
-
-static void launch_worker(msg_host_t host, const char* pr_name, double computation_amount, int use_bound, double bound)
-{
- char** argv = xbt_new(char*, 5);
- argv[0] = xbt_strdup(pr_name);
- argv[1] = bprintf("%f", computation_amount);
- argv[2] = bprintf("%d", use_bound);
- argv[3] = bprintf("%f", bound);
- argv[4] = NULL;
-
- MSG_process_create_with_arguments(pr_name, worker_main, NULL, host, 4, argv);
-}
-
-static int worker_busy_loop_main(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
-{
- msg_task_t* task = MSG_process_get_data(MSG_process_self());
- MSG_task_execute(*task);
- MSG_task_destroy(*task);
-
- return 0;
-}
-
-static void test_dynamic_change(void)
-{
- const double DOUBLE_MAX = 1e11;
- msg_host_t pm0 = MSG_host_by_name("Fafard");
-
- msg_vm_t vm0 = MSG_vm_create_core(pm0, "VM0");
- msg_vm_t vm1 = MSG_vm_create_core(pm0, "VM1");
- MSG_vm_start(vm0);
- MSG_vm_start(vm1);
-
- msg_task_t task0 = MSG_task_create("Task0", DOUBLE_MAX, 0, NULL);
- msg_task_t task1 = MSG_task_create("Task1", DOUBLE_MAX, 0, NULL);
- MSG_process_create("worker0", worker_busy_loop_main, &task0, (msg_host_t)vm0);
- MSG_process_create("worker1", worker_busy_loop_main, &task1, (msg_host_t)vm1);
-
- double task0_remain_prev = MSG_task_get_flops_amount(task0);
- double task1_remain_prev = MSG_task_get_flops_amount(task1);
-
- const double cpu_speed = MSG_host_get_speed(pm0);
- for (int i = 0; i < 10; i++) {
- double new_bound = (cpu_speed / 10) * i;
- XBT_INFO("set bound of VM1 to %f", new_bound);
- MSG_vm_set_bound(vm1, new_bound);
- MSG_process_sleep(100);
-
- double task0_remain_now = MSG_task_get_flops_amount(task0);
- double task1_remain_now = MSG_task_get_flops_amount(task1);
-
- double task0_flops_per_sec = task0_remain_prev - task0_remain_now;
- double task1_flops_per_sec = task1_remain_prev - task1_remain_now;
-
- XBT_INFO("Task0@VM0: %f flops/s", task0_flops_per_sec / 100);
- XBT_INFO("Task1@VM1: %f flops/s", task1_flops_per_sec / 100);
-
- task0_remain_prev = task0_remain_now;
- task1_remain_prev = task1_remain_now;
- }
-
- MSG_process_sleep(2000); // let the tasks end
-
- MSG_vm_destroy(vm0);
- MSG_vm_destroy(vm1);
-}
-
-static void test_one_task(msg_host_t hostA)
-{
- const double cpu_speed = MSG_host_get_speed(hostA);
- const double computation_amount = cpu_speed * 10;
- const char* hostA_name = MSG_host_get_name(hostA);
-
- XBT_INFO("### Test: with/without MSG_task_set_bound");
-
- XBT_INFO("### Test: no bound for Task1@%s", hostA_name);
- launch_worker(hostA, "worker0", computation_amount, 0, 0);
-
- MSG_process_sleep(1000);
-
- XBT_INFO("### Test: 50%% for Task1@%s", hostA_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 2);
-
- MSG_process_sleep(1000);
-
- XBT_INFO("### Test: 33%% for Task1@%s", hostA_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 3);
-
- MSG_process_sleep(1000);
-
- XBT_INFO("### Test: zero for Task1@%s (i.e., unlimited)", hostA_name);
- launch_worker(hostA, "worker0", computation_amount, 1, 0);
-
- MSG_process_sleep(1000);
-
- XBT_INFO("### Test: 200%% for Task1@%s (i.e., meaningless)", hostA_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed * 2);
-
- MSG_process_sleep(1000);
-}
-
-static void test_two_tasks(msg_host_t hostA, msg_host_t hostB)
-{
- const double cpu_speed = MSG_host_get_speed(hostA);
- xbt_assert(cpu_speed == MSG_host_get_speed(hostB));
- const double computation_amount = cpu_speed * 10;
- const char* hostA_name = MSG_host_get_name(hostA);
- const char* hostB_name = MSG_host_get_name(hostB);
-
- XBT_INFO("### Test: no bound for Task1@%s, no bound for Task2@%s", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 0, 0);
- launch_worker(hostB, "worker1", computation_amount, 0, 0);
-
- MSG_process_sleep(1000);
-
- XBT_INFO("### Test: 0 for Task1@%s, 0 for Task2@%s (i.e., unlimited)", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 1, 0);
- launch_worker(hostB, "worker1", computation_amount, 1, 0);
-
- MSG_process_sleep(1000);
-
- XBT_INFO("### Test: 50%% for Task1@%s, 50%% for Task2@%s", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 2);
- launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 2);
-
- MSG_process_sleep(1000);
-
- XBT_INFO("### Test: 25%% for Task1@%s, 25%% for Task2@%s", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 4);
- launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 4);
-
- MSG_process_sleep(1000);
-
- XBT_INFO("### Test: 75%% for Task1@%s, 100%% for Task2@%s", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed * 0.75);
- launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed);
-
- MSG_process_sleep(1000);
-
- XBT_INFO("### Test: no bound for Task1@%s, 25%% for Task2@%s", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 0, 0);
- launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 4);
-
- MSG_process_sleep(1000);
-
- XBT_INFO("### Test: 75%% for Task1@%s, 25%% for Task2@%s", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed * 0.75);
- launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 4);
-
- MSG_process_sleep(1000);
-}
-
-static int master_main(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
-{
- msg_host_t pm0 = MSG_host_by_name("Fafard");
- msg_host_t pm1 = MSG_host_by_name("Fafard");
-
- XBT_INFO("# 1. Put a single task on a PM. ");
- test_one_task(pm0);
- XBT_INFO(" ");
-
- XBT_INFO("# 2. Put two tasks on a PM.");
- test_two_tasks(pm0, pm0);
- XBT_INFO(" ");
-
- msg_vm_t vm0 = MSG_vm_create_core(pm0, "VM0");
- MSG_vm_start(vm0);
-
- XBT_INFO("# 3. Put a single task on a VM. ");
- test_one_task((msg_host_t)vm0);
- XBT_INFO(" ");
-
- XBT_INFO("# 4. Put two tasks on a VM.");
- test_two_tasks((msg_host_t)vm0, (msg_host_t)vm0);
- XBT_INFO(" ");
-
- MSG_vm_destroy(vm0);
-
- vm0 = MSG_vm_create_core(pm0, "VM0");
- MSG_vm_start(vm0);
-
- XBT_INFO("# 6. Put a task on a PM and a task on a VM.");
- test_two_tasks(pm0, (msg_host_t)vm0);
- XBT_INFO(" ");
-
- MSG_vm_destroy(vm0);
-
- vm0 = MSG_vm_create_core(pm0, "VM0");
- double cpu_speed = MSG_host_get_speed(pm0);
- MSG_vm_set_bound(vm0, cpu_speed / 10);
- MSG_vm_start(vm0);
-
- XBT_INFO("# 7. Put a single task on the VM capped by 10%%.");
- test_one_task((msg_host_t)vm0);
- XBT_INFO(" ");
-
- XBT_INFO("# 8. Put two tasks on the VM capped by 10%%.");
- test_two_tasks((msg_host_t)vm0, (msg_host_t)vm0);
- XBT_INFO(" ");
-
- XBT_INFO("# 9. Put a task on a PM and a task on the VM capped by 10%%.");
- test_two_tasks(pm0, (msg_host_t)vm0);
- XBT_INFO(" ");
-
- MSG_vm_destroy(vm0);
-
- vm0 = MSG_vm_create_core(pm0, "VM0");
-
- MSG_vm_set_ramsize(vm0, 1e9); // 1GB
- MSG_vm_start(vm0);
-
- cpu_speed = MSG_host_get_speed(pm0);
- MSG_vm_start(vm0);
-
- XBT_INFO("# 10. Test migration");
- const double computation_amount = cpu_speed * 10;
-
- XBT_INFO("# 10. (a) Put a task on a VM without any bound.");
- launch_worker((msg_host_t)vm0, "worker0", computation_amount, 0, 0);
- MSG_process_sleep(1000);
- XBT_INFO(" ");
-
- XBT_INFO("# 10. (b) set 10%% bound to the VM, and then put a task on the VM.");
- MSG_vm_set_bound(vm0, cpu_speed / 10);
- launch_worker((msg_host_t)vm0, "worker0", computation_amount, 0, 0);
- MSG_process_sleep(1000);
- XBT_INFO(" ");
-
- XBT_INFO("# 10. (c) migrate");
- MSG_vm_migrate(vm0, pm1);
- XBT_INFO(" ");
-
- XBT_INFO("# 10. (d) Put a task again on the VM.");
- launch_worker((msg_host_t)vm0, "worker0", computation_amount, 0, 0);
- MSG_process_sleep(1000);
- XBT_INFO(" ");
-
- MSG_vm_destroy(vm0);
-
- XBT_INFO("# 11. Change a bound dynamically.");
- test_dynamic_change();
-
- return 0;
-}
-
-static void launch_master(msg_host_t host)
-{
- const char* pr_name = "master_";
- char** argv = xbt_new(char*, 2);
- argv[0] = xbt_strdup(pr_name);
- argv[1] = NULL;
-
- MSG_process_create_with_arguments(pr_name, master_main, NULL, host, 1, argv);
-}
-
-int main(int argc, char* argv[])
-{
- /* Get the arguments */
- MSG_init(&argc, argv);
- MSG_vm_live_migration_plugin_init();
-
- /* load the platform file */
- xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s ../platforms/small_platform.xml\n", argv[0], argv[0]);
-
- MSG_create_environment(argv[1]);
-
- msg_host_t pm0 = MSG_host_by_name("Fafard");
- launch_master(pm0);
-
- int res = MSG_main();
- XBT_INFO("Bye (simulation time %g)", MSG_get_clock());
-
- return !(res == MSG_OK);
-}
