using simgrid::energy::HostEnergy;
using simgrid::energy::surf_energy;
-static void energyHostCreatedCallback(simgrid::surf::Host *host){
- (*surf_energy)[host] = new HostEnergy(host);
-}
-
-static void energyVMCreatedCallback(simgrid::surf::VirtualMachine* vm) {
- std::map<simgrid::surf::Host*, HostEnergy*>::iterator host_energy_it = surf_energy->find(vm->p_subWs);
- xbt_assert(host_energy_it != surf_energy->end(), "The host is not in surf_energy.");
- (*surf_energy)[vm] = host_energy_it->second;
- host_energy_it->second->ref(); // protect the HostEnergy from getting deleted too early
-}
-
/* Computes the consumption so far. Called lazily on need. */
static void update_consumption(simgrid::surf::Host *host, HostEnergy *host_energy) {
double cpu_load = lmm_constraint_get_usage(host->p_cpu->getConstraint()) / host->p_cpu->m_speedPeak;
start_time, finish_time, host->p_cpu->m_speedPeak, previous_energy, energy_this_step);
}
-static void energyHostDestructedCallback(simgrid::surf::Host *host){
- std::map<simgrid::surf::Host*, HostEnergy*>::iterator host_energy_it = surf_energy->find(host);
- xbt_assert(host_energy_it != surf_energy->end(), "The host is not in surf_energy.");
-
- HostEnergy *host_energy = host_energy_it->second;
- update_consumption(host, host_energy);
-
- if (host_energy_it->second->refcount == 1) // Don't display anything for virtual CPUs
- XBT_INFO("Total energy of host %s: %f Joules", host->getName(), host_energy->getConsumedEnergy());
- host_energy_it->second->unref();
- surf_energy->erase(host_energy_it);
-}
-
-static void energyCpuActionStateChangedCallback(
- simgrid::surf::CpuAction *action, e_surf_action_state_t old, e_surf_action_state_t cur)
-{
- const char *name = getActionCpu(action)->getName();
- simgrid::surf::Host *host = static_cast<simgrid::surf::Host*>(surf_host_resource_priv(sg_host_by_name(name)));
-
- HostEnergy *host_energy = (*surf_energy)[host];
-
- if(host_energy->last_updated < surf_get_clock())
- update_consumption(host, host_energy);
-}
-
-static void energyStateChangedCallback(simgrid::surf::Host *host, e_surf_resource_state_t oldState, e_surf_resource_state_t newState)
-{
- HostEnergy *host_energy = (*surf_energy)[host];
-
- if(host_energy->last_updated < surf_get_clock())
- update_consumption(host, host_energy);
-}
-
-static void sg_energy_plugin_exit()
-{
- delete surf_energy;
- surf_energy = NULL;
-}
-
/** \ingroup SURF_plugin_energy
* \brief Enable energy plugin
* \details Enable energy plugin to get joules consumption of each cpu. You should call this function before #MSG_init().
*/
void sg_energy_plugin_init() {
if (simgrid::energy::surf_energy == NULL) {
- simgrid::energy::surf_energy =
- new std::map<simgrid::surf::Host*, simgrid::energy::HostEnergy*>();
- simgrid::surf::VMCreatedCallbacks.connect(energyVMCreatedCallback);
- simgrid::surf::Host::onCreation.connect(energyHostCreatedCallback);
- simgrid::surf::Host::onDestruction.connect(energyHostDestructedCallback);
- simgrid::surf::cpuActionStateChangedCallbacks.connect(
- energyCpuActionStateChangedCallback);
- simgrid::surf::surfExitCallbacks.connect(sg_energy_plugin_exit);
- simgrid::surf::Host::onStateChange.connect(
- energyStateChangedCallback);
+
+ simgrid::energy::surf_energy = new std::map<simgrid::surf::Host*, simgrid::energy::HostEnergy*>();
+
+ /* The following attaches an anonymous function to the Host::onCreation signal */
+ /* Search for "C++ lambda" for more information on the syntax used here */
+ simgrid::surf::Host::onCreation.connect([](simgrid::surf::Host *host) {
+ (*surf_energy)[host] = new HostEnergy(host);
+ });
+
+ simgrid::surf::VMCreatedCallbacks.connect([](simgrid::surf::VirtualMachine* vm) {
+ std::map<simgrid::surf::Host*, HostEnergy*>::iterator host_energy_it =
+ surf_energy->find(vm->p_hostPM->extension(simgrid::surf::Host::EXTENSION_ID));
+ xbt_assert(host_energy_it != surf_energy->end(), "The host is not in surf_energy.");
+ (*surf_energy)[vm] = host_energy_it->second;
+ host_energy_it->second->ref(); // protect the HostEnergy from getting deleted too early
+ });
+
+ simgrid::surf::Host::onDestruction.connect([](simgrid::surf::Host *host) {
+ std::map<simgrid::surf::Host*, HostEnergy*>::iterator host_energy_it = surf_energy->find(host);
+ xbt_assert(host_energy_it != surf_energy->end(), "The host is not in surf_energy.");
+
+ HostEnergy *host_energy = host_energy_it->second;
+ update_consumption(host, host_energy);
+
+ if (host_energy_it->second->refcount == 1) // Don't display anything for virtual CPUs
+ XBT_INFO("Total energy of host %s: %f Joules", host->getName(), host_energy->getConsumedEnergy());
+ host_energy_it->second->unref();
+ surf_energy->erase(host_energy_it);
+ });
+ simgrid::surf::CpuAction::onStateChange.connect([]
+ (simgrid::surf::CpuAction *action,
+ e_surf_action_state_t old,
+ e_surf_action_state_t cur) {
+ const char *name = getActionCpu(action)->getName();
+ simgrid::surf::Host *host = static_cast<simgrid::surf::Host*>(surf_host_resource_priv(sg_host_by_name(name)));
+
+ HostEnergy *host_energy = (*surf_energy)[host];
+
+ if(host_energy->last_updated < surf_get_clock())
+ update_consumption(host, host_energy);
+
+ });
+
+ simgrid::surf::Host::onStateChange.connect([]
+ (simgrid::surf::Host *host,
+ e_surf_resource_state_t oldState,
+ e_surf_resource_state_t newState) {
+ HostEnergy *host_energy = (*surf_energy)[host];
+
+ if(host_energy->last_updated < surf_get_clock())
+ update_consumption(host, host_energy);
+ });
+
+ simgrid::surf::surfExitCallbacks.connect([]() {
+ delete surf_energy;
+ surf_energy = NULL;
+ });
}
}
return max_power;
}
-/**
- * Computes the power consumed by the host according to the current pstate and processor load
- *
- */
+/** @brief Computes the power consumed by the host according to the current pstate and processor load */
double HostEnergy::getCurrentWattsValue(double cpu_load)
{
xbt_dynar_t power_range_list = power_range_watts_list;
double HostEnergy::getConsumedEnergy()
{
-
if(last_updated < surf_get_clock())
update_consumption(host, this);
return total_energy;
-
}
xbt_dynar_t HostEnergy::getWattsRangeList()
