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Apply the default settings of 'smpi/buffering' too
[simgrid.git] / src / plugins / host_load.cpp
index 2a50f28..f3f7e3c 100644 (file)
@@ -96,12 +96,13 @@ void HostLoad::update()
   while (iter != end(current_activities)) {
     auto& activity                         = iter->first;  // Just an alias
     auto& remaining_cost_after_last_update = iter->second; // Just an alias
+    auto& action                           = activity->surf_action_;
     auto current_iter                      = iter;
     ++iter;
 
-    if (activity->surf_action_->get_finish_time() != now && activity->state_ == e_smx_state_t::SIMIX_RUNNING) {
+    if (action != nullptr && action->get_finish_time() != now && activity->state_ == e_smx_state_t::SIMIX_RUNNING) {
       if (remaining_cost_after_last_update == activity_uninitialized_remaining_cost) {
-        remaining_cost_after_last_update = activity->surf_action_->get_cost();
+        remaining_cost_after_last_update = action->get_cost();
       }
       double computed_flops_since_last_update = remaining_cost_after_last_update - /*remaining now*/activity->get_remaining();
       computed_flops_                        += computed_flops_since_last_update;
@@ -144,7 +145,7 @@ void HostLoad::update()
 double HostLoad::get_current_load()
 {
   // We don't need to call update() here because it is called every time an action terminates or starts
-  return current_flops_ / static_cast<double>(host_->get_speed() * host_->get_core_count());
+  return current_flops_ / (host_->get_speed() * host_->get_core_count());
 }
 
 /*
@@ -168,29 +169,14 @@ using simgrid::plugin::HostLoad;
 /* **************************** events  callback *************************** */
 /* This callback is fired either when the host changes its state (on/off) or its speed
  * (because the user changed the pstate, or because of external trace events) */
-static void on_host_change(simgrid::s4u::Host& host)
+static void on_host_change(simgrid::s4u::Host const& host)
 {
-  if (dynamic_cast<simgrid::s4u::VirtualMachine*>(&host)) // Ignore virtual machines
+  if (dynamic_cast<simgrid::s4u::VirtualMachine const*>(&host)) // Ignore virtual machines
     return;
 
   host.extension<HostLoad>()->update();
 }
 
-/* This callback is called when an action (computation, idle, ...) terminates */
-static void on_action_state_change(simgrid::surf::CpuAction* action, simgrid::kernel::resource::Action::State /*previous*/)
-{
-  for (simgrid::surf::Cpu* const& cpu : action->cpus()) {
-    simgrid::s4u::Host* host = cpu->get_host();
-
-    if (dynamic_cast<simgrid::s4u::VirtualMachine*>(host)) // Ignore virtual machines
-      return;
-
-    if (host != nullptr) {
-      host->extension<HostLoad>()->update();
-    }
-  }
-}
-
 /* **************************** Public interface *************************** */
 
 /** @brief Initializes the HostLoad plugin
@@ -219,13 +205,14 @@ void sg_host_load_plugin_init()
     host.extension_set(new HostLoad(&host));
   });
 
-  simgrid::kernel::activity::ExecImpl::on_creation.connect([](simgrid::kernel::activity::ExecImplPtr activity){
-    if (activity->host_ != nullptr) { // We only run on one host
-      simgrid::s4u::Host* host = activity->host_;
-      if (dynamic_cast<simgrid::s4u::VirtualMachine*>(activity->host_))
-        host = dynamic_cast<simgrid::s4u::VirtualMachine*>(activity->host_)->get_pm();
-
-      host->extension<HostLoad>()->add_activity(activity);
+  simgrid::kernel::activity::ExecImpl::on_creation.connect([](simgrid::kernel::activity::ExecImpl& activity) {
+    if (activity.get_host_number() == 1) { // We only run on one host
+      simgrid::s4u::Host* host         = activity.get_host();
+      simgrid::s4u::VirtualMachine* vm = dynamic_cast<simgrid::s4u::VirtualMachine*>(host);
+      if (vm != nullptr)
+        host = vm->get_pm();
+      xbt_assert(host != nullptr);
+      host->extension<HostLoad>()->add_activity(&activity);
       host->extension<HostLoad>()->update(); // If the system was idle until now, we need to update *before*
                                              // this computation starts running so we can keep track of the
                                              // idle time. (Communication operations don't trigger this hook!)
@@ -234,12 +221,13 @@ void sg_host_load_plugin_init()
       XBT_DEBUG("HostLoad plugin currently does not support executions on several hosts");
     }
   });
-  simgrid::kernel::activity::ExecImpl::on_completion.connect([](simgrid::kernel::activity::ExecImplPtr activity){
-    if (activity->host_ != nullptr) { // We only run on one host
-      simgrid::s4u::Host* host = activity->host_;
-      if (dynamic_cast<simgrid::s4u::VirtualMachine*>(activity->host_))
-        host = dynamic_cast<simgrid::s4u::VirtualMachine*>(activity->host_)->get_pm();
-
+  simgrid::kernel::activity::ExecImpl::on_completion.connect([](simgrid::kernel::activity::ExecImpl const& activity) {
+    if (activity.get_host_number() == 1) { // We only run on one host
+      simgrid::s4u::Host* host         = activity.get_host();
+      simgrid::s4u::VirtualMachine* vm = dynamic_cast<simgrid::s4u::VirtualMachine*>(host);
+      if (vm != nullptr)
+        host = vm->get_pm();
+      xbt_assert(host != nullptr);
       host->extension<HostLoad>()->update();
     }
     else { // This runs on multiple hosts