/* **** Check state of a VM **** */
static inline int __MSG_vm_is_state(msg_vm_t vm, e_surf_vm_state_t state)
{
- return static_cast<simgrid::s4u::VirtualMachine*>(vm)->pimpl_vm_->getState() == state;
+ simgrid::s4u::VirtualMachine* castedVm = static_cast<simgrid::s4u::VirtualMachine*>(vm);
+ return castedVm->pimpl_vm_ != nullptr && castedVm->pimpl_vm_->getState() == state;
}
/** @brief Returns whether the given VM has just created, not running.
* @ingroup msg_VMs*
* @param pm Physical machine that will host the VM
* @param name Must be unique
+ * @param coreAmount Must be >= 1
* @param ramsize [TODO]
* @param mig_netspeed Amount of Mbyte/s allocated to the migration (cannot be larger than net_cap). Use 0 if unsure.
* @param dp_intensity Dirty page percentage according to migNetSpeed, [0-100]. Use 0 if unsure.
*/
-msg_vm_t MSG_vm_create(msg_host_t pm, const char* name, int ramsize, int mig_netspeed, int dp_intensity)
+msg_vm_t MSG_vm_create(msg_host_t pm, const char* name, int coreAmount, int ramsize, int mig_netspeed, int dp_intensity)
{
simgrid::vm::VmHostExt::ensureVmExtInstalled();
double host_speed = MSG_host_get_speed(pm);
double update_speed = (static_cast<double>(dp_intensity)/100) * mig_netspeed;
- msg_vm_t vm = MSG_vm_create_core(pm, name);
+ msg_vm_t vm = MSG_vm_create_multicore(pm, name, coreAmount);
s_vm_params_t params;
memset(¶ms, 0, sizeof(params));
params.ramsize = static_cast<sg_size_t>(ramsize) * 1024 * 1024;
return vm;
}
-/** @brief Create a new VM object. The VM is not yet started. The resource of the VM is allocated upon MSG_vm_start().
+/** @brief Create a new VM object with the default parameters
* @ingroup msg_VMs*
*
* A VM is treated as a host. The name of the VM must be unique among all hosts.
xbt_assert(sg_host_by_name(name) == nullptr,
"Cannot create a VM named %s: this name is already used by an host or a VM", name);
- return new simgrid::s4u::VirtualMachine(name, pm);
+ return new simgrid::s4u::VirtualMachine(name, pm, 1);
+}
+/** @brief Create a new VM object with the default parameters, but with a specified amount of cores
+ * @ingroup msg_VMs*
+ *
+ * A VM is treated as a host. The name of the VM must be unique among all hosts.
+ */
+msg_vm_t MSG_vm_create_multicore(msg_host_t pm, const char* name, int coreAmount)
+{
+ xbt_assert(sg_host_by_name(name) == nullptr,
+ "Cannot create a VM named %s: this name is already used by an host or a VM", name);
+
+ return new simgrid::s4u::VirtualMachine(name, pm, coreAmount);
}
/** @brief Destroy a VM. Destroy the VM object from the simulation.
if (MSG_vm_is_running(vm))
MSG_vm_shutdown(vm);
- xbt_assert(MSG_vm_is_created(vm), "shutdown the given VM before destroying it");
-
/* Then, destroy the VM object */
simgrid::simix::kernelImmediate([vm]() {
vm->destroy();
/** @brief Start a vm (i.e., boot the guest operating system)
* @ingroup msg_VMs
*
- * If the VM cannot be started (because of memory overprovisionning), an exception is generated.
+ * If the VM cannot be started (because of memory over-provisioning), an exception is generated.
*/
void MSG_vm_start(msg_vm_t vm)
{
int pm_overcommit = pm->extension<simgrid::vm::VmHostExt>()->overcommit;
long vm_ramsize = typedVM->getRamsize();
- if (pm_ramsize && !pm_overcommit) { /* Only verify that we don't overcommit on need */
+ if (pm_ramsize && not pm_overcommit) { /* Only verify that we don't overcommit on need */
/* Retrieve the memory occupied by the VMs on that host. Yep, we have to traverse all VMs of all hosts for that */
long total_ramsize_of_vms = 0;
for (simgrid::s4u::VirtualMachine* ws_vm : simgrid::vm::VirtualMachineImpl::allVms_)
container_t vm_container = PJ_container_get(vm->cname());
type_t type = PJ_type_get("MSG_VM_STATE", vm_container->type);
val_t value = PJ_value_get_or_new("start", "0 0 1", type); // start is blue
- new_pajePushState(MSG_get_clock(), vm_container, type, value);
+ new PushStateEvent(MSG_get_clock(), vm_container, type, value);
}
}
XBT_DEBUG("mig: rx_start");
// The structure has been created in the do_migration function and should only be freed in the same place ;)
- struct migration_session *ms = (migration_session *) MSG_process_get_data(MSG_process_self());
+ struct migration_session* ms = static_cast<migration_session*>(MSG_process_get_data(MSG_process_self()));
bool received_finalize = false;
char *finalize_task_name = get_mig_task_name(ms->vm, ms->src_pm, ms->dst_pm, 3);
- while (!received_finalize) {
+ while (not received_finalize) {
msg_task_t task = nullptr;
int ret = MSG_task_recv(&task, ms->mbox);
// start link
container_t msg = PJ_container_get(vm->cname());
type_t type = PJ_type_get("MSG_VM_LINK", PJ_type_get_root());
- new_pajeStartLink(MSG_get_clock(), PJ_container_get_root(), type, msg, "M", key);
+ new StartLinkEvent(MSG_get_clock(), PJ_container_get_root(), type, msg, "M", key);
// destroy existing container of this vm
container_t existing_container = PJ_container_get(vm->cname());
// end link
msg = PJ_container_get(vm->cname());
type = PJ_type_get("MSG_VM_LINK", PJ_type_get_root());
- new_pajeEndLink(MSG_get_clock(), PJ_container_get_root(), type, msg, "M", key);
+ new EndLinkEvent(MSG_get_clock(), PJ_container_get_root(), type, msg, "M", key);
}
// Inform the SRC that the migration has been correctly performed
simgrid::vm::VirtualMachineImpl* pimpl = static_cast<simgrid::s4u::VirtualMachine*>(vm)->pimpl_vm_;
pimpl->dp_enabled = 1;
- if (!pimpl->dp_objs)
+ if (not pimpl->dp_objs)
return;
char *key = nullptr;
dp->prev_clock = MSG_get_clock();
dp->prev_remaining = remaining;
}
- if (!pimpl->dp_objs)
+ if (not pimpl->dp_objs)
pimpl->dp_objs = xbt_dict_new_homogeneous(nullptr);
xbt_assert(xbt_dict_get_or_null(pimpl->dp_objs, key) == nullptr);
xbt_dict_set(pimpl->dp_objs, key, dp, nullptr);
start_dirty_page_tracking(ms->vm);
double computed_during_stage1 = 0;
- if (!skip_stage1) {
+ if (not skip_stage1) {
double clock_prev_send = MSG_get_clock();
try {
/* Stage2: send update pages iteratively until the size of remaining states becomes smaller than threshold value. */
- if (!skip_stage2) {
+ if (not skip_stage2) {
int stage2_round = 0;
for (;;) {
THROWF(vm_error, 0, "Cannot migrate VM '%s' from host '%s', which is offline.", vm->cname(), src_pm->cname());
if (dst_pm->isOff())
THROWF(vm_error, 0, "Cannot migrate VM '%s' to host '%s', which is offline.", vm->cname(), dst_pm->cname());
- if (!MSG_vm_is_running(vm))
+ if (not MSG_vm_is_running(vm))
THROWF(vm_error, 0, "Cannot migrate VM '%s' that is not running yet.", vm->cname());
if (typedVm->isMigrating())
THROWF(vm_error, 0, "Cannot migrate VM '%s' that is already migrating.", vm->cname());
container_t vm_container = PJ_container_get(vm->cname());
type_t type = PJ_type_get("MSG_VM_STATE", vm_container->type);
val_t value = PJ_value_get_or_new("suspend", "1 0 0", type); // suspend is red
- new_pajePushState(MSG_get_clock(), vm_container, type, value);
+ new PushStateEvent(MSG_get_clock(), vm_container, type, value);
}
}
if (TRACE_msg_vm_is_enabled()) {
container_t vm_container = PJ_container_get(vm->cname());
type_t type = PJ_type_get("MSG_VM_STATE", vm_container->type);
- new_pajePopState(MSG_get_clock(), vm_container, type);
+ new PopStateEvent(MSG_get_clock(), vm_container, type);
}
}