simgrid::s4u::Host* host = nullptr;
std::vector<PowerRange>
power_range_watts_list; /*< List of (min_power,max_power) pairs corresponding to each cpu pstate */
+
+ /* We need to keep track of what pstate has been used, as we will sometimes
+ * be notified only *after* a pstate has been used (but we need to update the energy consumption
+ * with the old pstate!)
+ */
+ int pstate = 0;
+
public:
double watts_off = 0.0; /*< Consumption when the machine is turned off (shutdown) */
double total_energy = 0.0; /*< Total energy consumed by the host */
double start_time = this->last_updated;
double finish_time = surf_get_clock();
double cpu_load;
- double current_speed = host->pimpl_cpu->getPstateSpeedCurrent();
+ double current_speed = host->speed();
if (current_speed <= 0)
// Some users declare a pstate of speed 0 flops (e.g., to model boot time).
// We consider that the machine is then fully loaded. That's arbitrary but it avoids a NaN
double energy_this_step = instantaneous_consumption * (finish_time - start_time);
+ //TODO Trace: Trace energy_this_step from start_time to finish_time in host->name()
+
this->total_energy = previous_energy + energy_this_step;
this->last_updated = finish_time;
-
+ this->pstate = host->pstate();
XBT_DEBUG(
"[update_energy of %s] period=[%.2f-%.2f]; current power peak=%.0E flop/s; consumption change: %.2f J -> %.2f J",
host->cname(), start_time, finish_time, host->pimpl_cpu->speed_.peak, previous_energy, energy_this_step);
/* min_power corresponds to the power consumed when only one core is active */
/* max_power is the power consumed at 100% cpu load */
- auto range = power_range_watts_list.at(host->pstate());
+ auto range = power_range_watts_list.at(this->pstate);
double current_power = 0;
double min_power = 0;
double max_power = 0;
{
if (dynamic_cast<simgrid::s4u::VirtualMachine*>(&host)) // Ignore virtual machines
return;
+
+ //TODO Trace: set to zero the energy variable associated to host->name()
+
host.extension_set(new HostEnergy(&host));
}
{
for (simgrid::surf::Cpu* cpu : action->cpus()) {
simgrid::s4u::Host* host = cpu->getHost();
- if (host == nullptr)
- continue;
+ if (host != nullptr) {
- // If it's a VM, take the corresponding PM
- simgrid::s4u::VirtualMachine* vm = dynamic_cast<simgrid::s4u::VirtualMachine*>(host);
- if (vm) // If it's a VM, take the corresponding PM
- host = vm->pimpl_vm_->getPm();
+ // If it's a VM, take the corresponding PM
+ simgrid::s4u::VirtualMachine* vm = dynamic_cast<simgrid::s4u::VirtualMachine*>(host);
+ if (vm) // If it's a VM, take the corresponding PM
+ host = vm->pimpl_vm_->getPm();
- // Get the host_energy extension for the relevant host
- HostEnergy* host_energy = host->extension<HostEnergy>();
+ // Get the host_energy extension for the relevant host
+ HostEnergy* host_energy = host->extension<HostEnergy>();
- if (host_energy->last_updated < surf_get_clock())
- host_energy->update();
+ if (host_energy->last_updated < surf_get_clock())
+ host_energy->update();
+ }
}
}
-/* This callback is fired either when the host change its state (on/off) or its speed
- * (because the user changed the pstate, or because of external trace events) */
+/* This callback is fired either when the host changes its state (on/off) ("onStateChange") or its speed
+ * (because the user changed the pstate, or because of external trace events) ("onSpeedChange") */
static void onHostChange(simgrid::s4u::Host& host)
{
if (dynamic_cast<simgrid::s4u::VirtualMachine*>(&host)) // Ignore virtual machines
HostEnergy* host_energy = host.extension<HostEnergy>();
- if (host_energy->last_updated < surf_get_clock())
- host_energy->update();
+ host_energy->update();
}
static void onHostDestruction(simgrid::s4u::Host& host)