double get_current_watts_value();
double get_current_watts_value(double cpu_load);
double get_consumed_energy();
- double get_idle_consumption();
+ double get_watt_idle_at(int pstate);
double get_watt_min_at(int pstate);
double get_watt_max_at(int pstate);
double get_power_range_slope_at(int pstate);
HostEnergy::~HostEnergy() = default;
-double HostEnergy::get_idle_consumption()
+double HostEnergy::get_watt_idle_at(int pstate)
{
xbt_assert(not power_range_watts_list_.empty(), "No power range properties specified for host %s",
host_->get_cname());
-
- return power_range_watts_list_[0].idle_;
+ return power_range_watts_list_[pstate].idle_;
}
double HostEnergy::get_watt_min_at(int pstate)
double HostEnergy::get_power_range_slope_at(int pstate)
{
- xbt_assert(not power_range_watts_list_.empty(), "No power range properties specified for host %s",
- host_->get_cname());
- return power_range_watts_list_[pstate].slope_;
+ xbt_assert(not power_range_watts_list_.empty(), "No power range properties specified for host %s",
+ host_->get_cname());
+ return power_range_watts_list_[pstate].slope_;
}
/** @brief Computes the power consumed by the host according to the current situation
/* Divide by the number of cores here to have a value between 0 and 1 */
cpu_load /= host_->pimpl_cpu->get_core_count();
- xbt_assert(not(cpu_load > 1), "The impossible did happen, as usual.");
+ if (cpu_load > 1) // This condition is true for energy_ptask on 32 bits, even if cpu_load is displayed as 1.000000
+ cpu_load = 1; // That may be an harmless rounding error?
if (cpu_load > 0)
host_was_used_ = true;
}
std::vector<std::string> all_power_values;
boost::split(all_power_values, old_prop, boost::is_any_of(","));
- std::string msg = std::string("DEPRECATION WARNING: Property 'watt_per_state' will not work after v3.28.\n");
+ 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(),
+ host_->get_pstate_count());
+
+ // XBT_ATTRIB_DEPRECATED_v328: putting this macro name here so that we find it during the deprecation cleanups
+ std::string msg = std::string("DEPRECATION WARNING: Property 'watt_per_state' will only work until v3.28.\n");
msg += std::string("The old syntax 'Idle:OneCore:AllCores' must be converted into 'Idle:Epsilon:AllCores' to "
"properly model the consumption of non-whole tasks on mono-core hosts. Here are the values to "
"use for host '") +
double p_epsilon;
if (current_power_values.size() == 3) {
- p_idle = xbt_str_parse_double((current_power_values.at(0)).c_str(),
- "Invalid obsolete XML file. Fix your watt_per_state property.");
p_one_core = xbt_str_parse_double((current_power_values.at(1)).c_str(),
"Invalid obsolete XML file. Fix your watt_per_state property.");
p_full = xbt_str_parse_double((current_power_values.at(2)).c_str(),
p_epsilon = p_one_core - ((p_full - p_one_core) / (host_->get_core_count() - 1));
}
} else { // consuption given with idle and full only
- p_idle = xbt_str_parse_double((current_power_values.at(0)).c_str(),
- "Invalid obsolete XML file. Fix your watt_per_state property.");
p_full = xbt_str_parse_double((current_power_values.at(1)).c_str(),
"Invalid obsolete XML file. Fix your watt_per_state property.");
if (host_->get_core_count() == 1) {
XBT_WARN("%s", msg.c_str());
return;
}
+
const char* all_power_values_str = host_->get_property("wattage_per_state");
- if (all_power_values_str == nullptr)
+ 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);
+ }
return;
+ }
std::vector<std::string> all_power_values;
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(),
+ host_->get_pstate_count());
+
int i = 0;
for (auto const& current_power_values_str : all_power_values) {
/* retrieve the power values associated with the pstate i */
{
xbt_assert(HostEnergy::EXTENSION_ID.valid(),
"The Energy plugin is not active. Please call sg_host_energy_plugin_init() during initialization.");
- return host->extension<HostEnergy>()->get_idle_consumption();
+ return host->extension<HostEnergy>()->get_watt_idle_at(0);
}
/** @ingroup plugin_host_energy
* @brief Get the amount of watt dissipated at the given pstate when the host is idling
*/
+double sg_host_get_idle_consumption_at(sg_host_t host, int pstate)
+{
+ xbt_assert(HostEnergy::EXTENSION_ID.valid(),
+ "The Energy plugin is not active. Please call sg_host_energy_plugin_init() during initialization.");
+ return host->extension<HostEnergy>()->get_watt_idle_at(pstate);
+}
+
+/** @ingroup plugin_host_energy
+ * @brief Get the amount of watt dissipated at the given pstate when the host is at 0 or epsilon% CPU usage.
+ */
double sg_host_get_wattmin_at(sg_host_t host, int pstate)
{
xbt_assert(HostEnergy::EXTENSION_ID.valid(),
