for (int i=0; i< pstate_nb; i++) {
/* retrieve the power values associated with the current pstate */
xbt_dynar_t current_power_values = xbt_str_split(xbt_dynar_get_as(all_power_values, i, char*), ":");
for (int i=0; i< pstate_nb; i++) {
/* retrieve the power values associated with the current pstate */
xbt_dynar_t current_power_values = xbt_str_split(xbt_dynar_get_as(all_power_values, i, char*), ":");