/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-#include "simgrid/Exception.hpp"
-#include "simgrid/plugins/energy.h"
-#include "simgrid/s4u/Engine.hpp"
-#include "simgrid/s4u/Exec.hpp"
-#include "src/include/surf/surf.hpp"
+#include <simgrid/Exception.hpp>
+#include <simgrid/plugins/energy.h>
+#include <simgrid/s4u/Engine.hpp>
+#include <simgrid/s4u/Exec.hpp>
+
#include "src/kernel/activity/ExecImpl.hpp"
#include "src/plugins/vm/VirtualMachineImpl.hpp"
#include "src/surf/cpu_interface.hpp"
simgrid::s4u::Host* host_ = nullptr;
/*< List of (idle_power, epsilon_power, max_power) tuple corresponding to each cpu pstate */
std::vector<PowerRange> power_range_watts_list_;
+ bool has_pstate_power_values_ = false; /*< Whether power consumption values were provided for all pstates */
/* 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!)
const int pstate_off_ = -1;
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 last_updated_ = surf_get_clock(); /*< Timestamp of the last energy update event*/
+ double last_updated_ = simgrid::s4u::Engine::get_clock(); /*< Timestamp of the last energy update event*/
/* Only used to split total energy into unused/used hosts.
* If you want to get this info for something else, rather use the host_load plugin
explicit HostEnergy(simgrid::s4u::Host* ptr);
~HostEnergy();
+ bool has_pstate_power_values() const;
+
double get_current_watts_value();
double get_current_watts_value(double cpu_load) const;
double get_consumed_energy();
simgrid::xbt::Extension<simgrid::s4u::Host, HostEnergy> HostEnergy::EXTENSION_ID;
+/* Returns whether power consumption values were provided for all pstates. */
+bool HostEnergy::has_pstate_power_values() const {
+ return has_pstate_power_values_;
+}
+
/* Computes the consumption so far. Called lazily on need. */
void HostEnergy::update()
{
double start_time = last_updated_;
- double finish_time = surf_get_clock();
+ double finish_time = simgrid::s4u::Engine::get_clock();
//
// We may have start == finish if the past consumption was updated since the simcall was started
// for example if 2 actors requested to update the same host's consumption in a given scheduling round.
double HostEnergy::get_watt_idle_at(int pstate) const
{
- xbt_assert(not power_range_watts_list_.empty(), "No power range properties specified for host %s",
- host_->get_cname());
+ if (not has_pstate_power_values_)
+ return 0.0;
return power_range_watts_list_[pstate].idle_;
}
double HostEnergy::get_watt_min_at(int pstate) const
{
- xbt_assert(not power_range_watts_list_.empty(), "No power range properties specified for host %s",
- host_->get_cname());
+ if (not has_pstate_power_values_)
+ return 0.0;
return power_range_watts_list_[pstate].epsilon_;
}
double HostEnergy::get_watt_max_at(int pstate) const
{
- xbt_assert(not power_range_watts_list_.empty(), "No power range properties specified for host %s",
- host_->get_cname());
+ if (not has_pstate_power_values_)
+ return 0.0;
return power_range_watts_list_[pstate].max_;
}
double HostEnergy::get_power_range_slope_at(int pstate) const
{
- xbt_assert(not power_range_watts_list_.empty(), "No power range properties specified for host %s",
- host_->get_cname());
+ if (not has_pstate_power_values_)
+ return 0.0;
return power_range_watts_list_[pstate].slope_;
}
*/
double HostEnergy::get_current_watts_value(double cpu_load) const
{
- xbt_assert(not power_range_watts_list_.empty(), "No power range properties specified for host %s",
- host_->get_cname());
+ if (not has_pstate_power_values_)
+ return 0.0;
/* Return watts_off if pstate == pstate_off (ie, if the host is off) */
if (this->pstate_ == pstate_off_) {
double HostEnergy::get_consumed_energy()
{
- if (last_updated_ < surf_get_clock()) // We need to simcall this as it modifies the environment
+ if (last_updated_ < simgrid::s4u::Engine::get_clock()) // We need to simcall this as it modifies the environment
simgrid::kernel::actor::simcall(std::bind(&HostEnergy::update, this));
return total_energy_;
{
const char* all_power_values_str = host_->get_property("wattage_per_state");
if (all_power_values_str == nullptr) {
- /* If no power values are given, we assume it's 0 everywhere */
- XBT_DEBUG("No energetic profiles given for host %s, using 0 W by default.", host_->get_cname());
- for (int i = 0; i < host_->get_pstate_count(); ++i) {
- PowerRange range(0,0,0);
- power_range_watts_list_.push_back(range);
- }
+ XBT_WARN("No energetic profiles (wattage_per_state) given for host %s, using 0 W by default. Direct request of power/energy consumption of this host will fail.", host_->get_cname());
return;
}
boost::split(all_power_values, all_power_values_str, boost::is_any_of(","));
XBT_DEBUG("%s: power properties: %s", host_->get_cname(), all_power_values_str);
- xbt_assert(all_power_values.size() == (unsigned)host_->get_pstate_count(),
- "Invalid XML file. Found %zu energetic profiles for %d pstates", all_power_values.size(),
+ xbt_assert(all_power_values.size() == host_->get_pstate_count(),
+ "Invalid XML file. Found %zu energetic profiles for %lu pstates", all_power_values.size(),
host_->get_pstate_count());
int i = 0;
double epsilon_power;
double max_power;
- char* msg_idle = bprintf("Invalid Idle value for pstate %d on host %s: %%s", i, host_->get_cname());
- char* msg_epsilon = bprintf("Invalid Epsilon value for pstate %d on host %s: %%s", i, host_->get_cname());
- char* msg_max = bprintf("Invalid AllCores value for pstate %d on host %s: %%s", i, host_->get_cname());
+ auto msg_idle = xbt::string_printf("Invalid Idle value for pstate %d on host %s", i, host_->get_cname());
+ auto msg_epsilon = xbt::string_printf("Invalid Epsilon value for pstate %d on host %s", i, host_->get_cname());
+ auto msg_max = xbt::string_printf("Invalid AllCores value for pstate %d on host %s", i, host_->get_cname());
- idle_power = xbt_str_parse_double((current_power_values.at(0)).c_str(), msg_idle);
+ idle_power = xbt_str_parse_double((current_power_values.at(0)).c_str(), msg_idle.c_str());
if (current_power_values.size() == 2) { // Case: Idle:AllCores
- epsilon_power = xbt_str_parse_double((current_power_values.at(0)).c_str(), msg_idle);
- max_power = xbt_str_parse_double((current_power_values.at(1)).c_str(), msg_max);
+ epsilon_power = xbt_str_parse_double((current_power_values.at(0)).c_str(), msg_idle.c_str());
+ max_power = xbt_str_parse_double((current_power_values.at(1)).c_str(), msg_max.c_str());
} else { // Case: Idle:Epsilon:AllCores
- epsilon_power = xbt_str_parse_double((current_power_values.at(1)).c_str(), msg_epsilon);
- max_power = xbt_str_parse_double((current_power_values.at(2)).c_str(), msg_max);
+ epsilon_power = xbt_str_parse_double((current_power_values.at(1)).c_str(), msg_epsilon.c_str());
+ max_power = xbt_str_parse_double((current_power_values.at(2)).c_str(), msg_max.c_str());
}
XBT_DEBUG("Creating PowerRange for host %s. Idle:%f, Epsilon:%f, AllCores:%f.", host_->get_cname(), idle_power, epsilon_power, max_power);
PowerRange range(idle_power, epsilon_power, max_power);
power_range_watts_list_.push_back(range);
- xbt_free(msg_idle);
- xbt_free(msg_epsilon);
- xbt_free(msg_max);
++i;
}
+
+ has_pstate_power_values_ = true;
}
} // namespace plugin
} // namespace simgrid
// Get the host_energy extension for the relevant host
auto* host_energy = host->extension<HostEnergy>();
- if (host_energy->get_last_update_time() < surf_get_clock())
+ if (host_energy->get_last_update_time() < simgrid::s4u::Engine::get_clock())
host_energy->update();
}
}
double sg_host_get_consumed_energy(const_sg_host_t host)
{
ensure_plugin_inited();
- return host->extension<HostEnergy>()->get_consumed_energy();
+ auto host_energy = host->extension<HostEnergy>();
+ xbt_assert(host_energy->has_pstate_power_values(), "No power range properties specified for host %s",
+ host->get_cname());
+ return host_energy->get_consumed_energy();
}
/** @ingroup plugin_host_energy
double sg_host_get_current_consumption(const_sg_host_t host)
{
ensure_plugin_inited();
- return host->extension<HostEnergy>()->get_current_watts_value();
+ auto host_energy = host->extension<HostEnergy>();
+ xbt_assert(host_energy->has_pstate_power_values(), "No power range properties specified for host %s",
+ host->get_cname());
+ return host_energy->get_current_watts_value();
}
