X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/abdc951defbcde044cf222da256ad85491a28340..2610c767cf32eacd2d27a192667892e86eb384a6:/src/surf/plugins/host_energy.cpp diff --git a/src/surf/plugins/host_energy.cpp b/src/surf/plugins/host_energy.cpp index 8aa4cc0478..aa6af90cee 100644 --- a/src/surf/plugins/host_energy.cpp +++ b/src/surf/plugins/host_energy.cpp @@ -7,7 +7,13 @@ #include "simgrid/simix.hpp" #include "src/plugins/vm/VirtualMachineImpl.hpp" #include "src/surf/cpu_interface.hpp" + +#include +#include +#include +#include #include +#include /** @addtogroup SURF_plugin_energy @@ -19,14 +25,14 @@ The energy consumption of a CPU depends directly of its current load. Specify th follows: \verbatim - - + + \endverbatim The first property means that when your host is up and running, but without anything to do, it will dissipate 100 Watts. -If it's fully loaded, it will dissipate 200 Watts. If its load is at 50%, then it will dissipate 150 Watts. +If only one care is active, it will dissipate 120 Watts. If it's fully loaded, it will dissipate 200 Watts. If its load is at 50%, then it will dissipate 153.33 Watts. The second property means that when your host is turned off, it will dissipate only 10 Watts (please note that these values are arbitrary). @@ -34,7 +40,7 @@ If your CPU is using pstates, then you can provide one consumption interval per \verbatim - + \endverbatim @@ -43,7 +49,7 @@ That host has 3 levels of performance with the following performance: 100 Mflop/ It starts at pstate 0 (ie, at 100 Mflop/s). In this case, you have to specify one interval per pstate in the watt_per_state property. In this example, the idle consumption is 95 Watts, 93 Watts and 90 Watts in each pstate while the CPU burn consumption -are at 200 Watts, 170 Watts, and 150 Watts respectively. +are at 200 Watts, 170 Watts, and 150 Watts respectively. If only one core is active, this machine consumes 120 / 115 / 110 watts. To change the pstate of a given CPU, use the following functions: #MSG_host_get_nb_pstates(), simgrid#s4u#Host#setPstate(), #MSG_host_get_power_peak_at(). @@ -169,7 +175,7 @@ double HostEnergy::getCurrentWattsValue(double cpu_load) { xbt_assert(!power_range_watts_list.empty(), "No power range properties specified for host %s", host->cname()); - /* min_power corresponds to the idle power (cpu load = 0) */ + /* 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()); double current_power = 0; @@ -224,14 +230,16 @@ void HostEnergy::initWattsRangeList() if (all_power_values_str == nullptr) return; - xbt_dynar_t all_power_values = xbt_str_split(all_power_values_str, ","); - int pstate_nb = xbt_dynar_length(all_power_values); + std::vector all_power_values; + boost::split(all_power_values, all_power_values_str, boost::is_any_of(",")); - for (int i = 0; i < pstate_nb; i++) { + int i = 0; + for (auto current_power_values_str : all_power_values) { /* 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*), ":"); - xbt_assert(xbt_dynar_length(current_power_values) == 3, - "Power properties incorrectly defined - could not retrieve idle, min and max power values for host %s", + std::vector current_power_values; + boost::split(current_power_values, current_power_values_str, boost::is_any_of(":")); + xbt_assert(current_power_values.size() == 3, "Power properties incorrectly defined - " + "could not retrieve idle, min and max power values for host %s", host->cname()); /* min_power corresponds to the idle power (cpu load = 0) */ @@ -239,17 +247,15 @@ void HostEnergy::initWattsRangeList() char* msg_idle = bprintf("Invalid idle value for pstate %d on host %s: %%s", i, host->cname()); char* msg_min = bprintf("Invalid min value for pstate %d on host %s: %%s", i, host->cname()); char* msg_max = bprintf("Invalid max value for pstate %d on host %s: %%s", i, host->cname()); - PowerRange range(xbt_str_parse_double(xbt_dynar_get_as(current_power_values, 0, char*), msg_idle), - xbt_str_parse_double(xbt_dynar_get_as(current_power_values, 1, char*), msg_min), - xbt_str_parse_double(xbt_dynar_get_as(current_power_values, 2, char*), msg_max)); + PowerRange range(xbt_str_parse_double((current_power_values.at(0)).c_str(), msg_idle), + xbt_str_parse_double((current_power_values.at(1)).c_str(), msg_min), + xbt_str_parse_double((current_power_values.at(2)).c_str(), msg_max)); power_range_watts_list.push_back(range); xbt_free(msg_idle); xbt_free(msg_min); xbt_free(msg_max); - - xbt_dynar_free(¤t_power_values); + i++; } - xbt_dynar_free(&all_power_values); } } } @@ -307,7 +313,30 @@ static void onHostDestruction(simgrid::s4u::Host& host) XBT_INFO("Total energy of host %s: %f Joules", host.cname(), host_energy->getConsumedEnergy()); } +static void onSimulationEnd() +{ + sg_host_t* host_list = sg_host_list(); + int host_count = sg_host_count(); + double total_energy = 0.0; // Total energy consumption (whole plattform) + double used_hosts_energy = 0.0; // Energy consumed by hosts that computed something + for (int i = 0; i < host_count; i++) { + if (dynamic_cast(host_list[i]) == nullptr) { // Ignore virtual machines + + bool host_was_used = (host_list[i]->extension()->last_updated != 0); + double energy = 0.0; + energy = host_list[i]->extension()->getConsumedEnergy(); + total_energy += energy; + if (host_was_used) + used_hosts_energy += energy; + } + } + XBT_INFO("Summed energy consumption: %f Joules; used hosts consumed: %f Joules; unused (idle) hosts consumed: %f", + total_energy, used_hosts_energy, total_energy - used_hosts_energy); +} + /* **************************** Public interface *************************** */ +SG_BEGIN_DECL() + /** \ingroup SURF_plugin_energy * \brief Enable host energy plugin * \details Enable energy plugin to get joules consumption of each cpu. Call this function before #MSG_init(). @@ -323,6 +352,7 @@ void sg_host_energy_plugin_init() simgrid::s4u::Host::onStateChange.connect(&onHostChange); simgrid::s4u::Host::onSpeedChange.connect(&onHostChange); simgrid::s4u::Host::onDestruction.connect(&onHostDestruction); + simgrid::s4u::onSimulationEnd.connect(&onSimulationEnd); simgrid::surf::CpuAction::onStateChange.connect(&onActionStateChange); } @@ -351,3 +381,5 @@ double sg_host_get_wattmax_at(sg_host_t host, int pstate) "The Energy plugin is not active. Please call sg_energy_plugin_init() during initialization."); return host->extension()->getWattMaxAt(pstate); } + +SG_END_DECL()