void surf_presolve()
{
- double next_event_date = -1.0;
- simgrid::kernel::profile::Event* event = nullptr;
- double value = -1.0;
- simgrid::kernel::resource::Resource* resource = nullptr;
-
- XBT_DEBUG ("Consume all trace events occurring before the starting time.");
+ XBT_DEBUG("Consume all trace events occurring before the starting time.");
+ double next_event_date;
while ((next_event_date = simgrid::kernel::profile::future_evt_set.next_date()) != -1.0) {
if (next_event_date > NOW)
break;
+ simgrid::kernel::profile::Event* event;
+ double value = -1.0;
+ simgrid::kernel::resource::Resource* resource = nullptr;
while ((event = simgrid::kernel::profile::future_evt_set.pop_leq(next_event_date, &value, &resource))) {
if (value >= 0)
resource->apply_event(event, value);
}
}
- XBT_DEBUG ("Set every models in the right state by updating them to 0.");
+ XBT_DEBUG("Set every models in the right state by updating them to 0.");
for (auto const& model : all_existing_models)
model->update_actions_state(NOW, 0.0);
}
+static void surf_update_next_event(std::vector<simgrid::kernel::resource::Model*> const& models, double& time_delta)
+{
+ for (auto* model : models) {
+ double next_event = model->next_occurring_event(NOW);
+ if ((time_delta < 0.0 || next_event < time_delta) && next_event >= 0.0) {
+ time_delta = next_event;
+ }
+ }
+}
+
double surf_solve(double max_date)
{
- double time_delta = -1.0; /* duration */
- double value = -1.0;
+ double time_delta = -1.0; /* duration */
+ double value = -1.0;
simgrid::kernel::resource::Resource* resource = nullptr;
simgrid::kernel::profile::Event* event = nullptr;
/* Physical models MUST be resolved first */
XBT_DEBUG("Looking for next event in physical models");
- double next_event_phy = surf_host_model->next_occurring_event(NOW);
- if ((time_delta < 0.0 || next_event_phy < time_delta) && next_event_phy >= 0.0) {
- time_delta = next_event_phy;
- }
- if (surf_vm_model != nullptr) {
- XBT_DEBUG("Looking for next event in virtual models");
- double next_event_virt = surf_vm_model->next_occurring_event(NOW);
- if ((time_delta < 0.0 || next_event_virt < time_delta) && next_event_virt >= 0.0)
- time_delta = next_event_virt;
- }
+ surf_update_next_event(models_by_type[simgrid::kernel::resource::Model::Type::HOST], time_delta);
+ XBT_DEBUG("Looking for next event in virtual models");
+ surf_update_next_event(models_by_type[simgrid::kernel::resource::Model::Type::VM], time_delta);
- for (auto const& model : all_existing_models) {
- if (model != surf_host_model && model != surf_vm_model && model != surf_network_model &&
- model != surf_storage_model && model != surf_disk_model) {
- double next_event_model = model->next_occurring_event(NOW);
- if ((time_delta < 0.0 || next_event_model < time_delta) && next_event_model >= 0.0)
- time_delta = next_event_model;
- }
- }
+ XBT_DEBUG("Looking for next event in CPU models");
+ surf_update_next_event(models_by_type[simgrid::kernel::resource::Model::Type::CPU], time_delta);
XBT_DEBUG("Min for resources (remember that NS3 don't update that value): %f", time_delta);
XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", time_delta, NOW, next_event_date);
while ((event = simgrid::kernel::profile::future_evt_set.pop_leq(next_event_date, &value, &resource))) {
- if (resource->is_used() || (watched_hosts.find(resource->get_cname()) != watched_hosts.end())) {
+ if (resource->is_used() || (watched_hosts().find(resource->get_cname()) != watched_hosts().end())) {
time_delta = next_event_date - NOW;
XBT_DEBUG("This event invalidates the next_occurring_event() computation of models. Next event set to %f",
time_delta);
}
- // FIXME: I'm too lame to update NOW live, so I change it and restore it so that the real update with surf_min will work
+ // FIXME: I'm too lame to update NOW live, so I change it and restore it so that the real update with surf_min
+ // will work
double round_start = NOW;
- NOW = next_event_date;
+ NOW = next_event_date;
/* update state of the corresponding resource to the new value. Does not touch lmm.
It will be modified if needed when updating actions */
XBT_DEBUG("Calling update_resource_state for resource %s", resource->get_cname());
}
}
- /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
- * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
- * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
+ /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are
+ * with availability = 0. This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a
+ * trace with periodicity > 0.
+ * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed
+ */
if (time_delta < 0) {
XBT_DEBUG("No next event at all. Bail out now.");
return -1.0;