+xbt_dynar_t CpuCas01Lmm::getWattsRangeList()
+{
+ xbt_dynar_t power_range_list;
+ xbt_dynar_t power_tuple;
+ int i = 0, pstate_nb=0;
+ xbt_dynar_t current_power_values;
+ double min_power, max_power;
+
+ if (m_properties == NULL)
+ return NULL;
+
+ char* all_power_values_str = (char*)xbt_dict_get_or_null(m_properties, "power_per_state");
+
+ if (all_power_values_str == NULL)
+ return NULL;
+
+
+ power_range_list = xbt_dynar_new(sizeof(xbt_dynar_t), NULL);
+ xbt_dynar_t all_power_values = xbt_str_split(all_power_values_str, ",");
+
+ pstate_nb = xbt_dynar_length(all_power_values);
+ for (i=0; i< pstate_nb; i++)
+ {
+ /* retrieve the power values associated with the current pstate */
+ current_power_values = xbt_str_split(xbt_dynar_get_as(all_power_values, i, char*), ":");
+ xbt_assert(xbt_dynar_length(current_power_values) > 1,
+ "Power properties incorrectly defined - could not retrieve min and max power values for host %s",
+ m_name);
+
+ /* min_power corresponds to the idle power (cpu load = 0) */
+ /* max_power is the power consumed at 100% cpu load */
+ min_power = atof(xbt_dynar_get_as(current_power_values, 0, char*));
+ max_power = atof(xbt_dynar_get_as(current_power_values, 1, char*));
+
+ power_tuple = xbt_dynar_new(sizeof(double), NULL);
+ xbt_dynar_push_as(power_tuple, double, min_power);
+ xbt_dynar_push_as(power_tuple, double, max_power);
+
+ xbt_dynar_push_as(power_range_list, xbt_dynar_t, power_tuple);
+ xbt_dynar_free(¤t_power_values);
+ }
+ xbt_dynar_free(&all_power_values);
+ return power_range_list;
+}
+
+/**
+ * Computes the power consumed by the host according to the current pstate and processor load
+ *
+ */
+double CpuCas01Lmm::getCurrentWattsValue(double cpu_load)
+{
+ xbt_dynar_t power_range_list = p_energy->power_range_watts_list;
+
+ if (power_range_list == NULL)
+ {
+ XBT_DEBUG("No power range properties specified for host %s", m_name);
+ return 0;
+ }
+ xbt_assert(xbt_dynar_length(power_range_list) == xbt_dynar_length(p_powerPeakList),
+ "The number of power ranges in the properties does not match the number of pstates for host %s",
+ m_name);
+
+ /* retrieve the power values associated with the current pstate */
+ xbt_dynar_t current_power_values = xbt_dynar_get_as(power_range_list, m_pstate, xbt_dynar_t);
+
+ /* min_power corresponds to the idle power (cpu load = 0) */
+ /* max_power is the power consumed at 100% cpu load */
+ double min_power = xbt_dynar_get_as(current_power_values, 0, double);
+ double max_power = xbt_dynar_get_as(current_power_values, 1, double);
+ double power_slope = max_power - min_power;
+
+ double current_power = min_power + cpu_load * power_slope;
+
+ XBT_DEBUG("[get_current_watts] min_power=%f, max_power=%f, slope=%f", min_power, max_power, power_slope);
+ XBT_DEBUG("[get_current_watts] Current power (watts) = %f, load = %f", current_power, cpu_load);
+
+ return current_power;
+}
+
+/**
+ * Updates the total energy consumed as the sum of the current energy and
+ * the energy consumed by the current action
+ */
+void CpuCas01Lmm::updateEnergy(double cpu_load)
+{
+ double start_time = p_energy->last_updated;
+ double finish_time = surf_get_clock();
+
+ XBT_DEBUG("[cpu_update_energy] action time interval=(%f-%f), current power peak=%f, current pstate=%d",
+ start_time, finish_time, m_powerPeak, m_pstate);
+ double current_energy = p_energy->total_energy;
+ double action_energy = getCurrentWattsValue(cpu_load)*(finish_time-start_time);
+
+ p_energy->total_energy = current_energy + action_energy;
+ p_energy->last_updated = finish_time;
+
+ XBT_DEBUG("[cpu_update_energy] old_energy_value=%f, action_energy_value=%f", current_energy, action_energy);
+}
+
+double CpuCas01Lmm::getCurrentPowerPeak()
+{
+ return m_powerPeak;
+}
+
+double CpuCas01Lmm::getPowerPeakAt(int pstate_index)
+{
+ xbt_dynar_t plist = p_powerPeakList;
+ xbt_assert((pstate_index <= (int)xbt_dynar_length(plist)), "Invalid parameters (pstate index out of bounds)");
+
+ return xbt_dynar_get_as(plist, pstate_index, double);
+}
+
+int CpuCas01Lmm::getNbPstates()
+{
+ return xbt_dynar_length(p_powerPeakList);
+}
+
+void CpuCas01Lmm::setPowerPeakAt(int pstate_index)
+{
+ xbt_dynar_t plist = p_powerPeakList;
+ xbt_assert((pstate_index <= (int)xbt_dynar_length(plist)), "Invalid parameters (pstate index out of bounds)");
+
+ double new_power_peak = xbt_dynar_get_as(plist, pstate_index, double);
+ m_pstate = pstate_index;
+ m_powerPeak = new_power_peak;
+}
+
+double CpuCas01Lmm::getConsumedEnergy()
+{
+ return p_energy->total_energy;
+}