-/* Copyright (c) 2009-2011, 2013. The SimGrid Team.
+/* Copyright (c) 2009-2011, 2013-2016. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include "cpu_ti.hpp"
#include "maxmin_private.hpp"
#include "simgrid/sg_config.h"
+#include "src/surf/platform.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_cas, surf_cpu,
"Logging specific to the SURF CPU IMPROVED module");
-/*************
- * CallBacks *
- *************/
-
-static void parse_cpu_init(sg_platf_host_cbarg_t host){
- ((CpuCas01ModelPtr)surf_cpu_model_pm)->parseInit(host);
-}
-
-static void cpu_add_traces_cpu(){
- surf_cpu_model_pm->addTraces();
-}
-
-static void cpu_define_callbacks()
-{
- sg_platf_host_add_cb(parse_cpu_init);
- sg_platf_postparse_add_cb(cpu_add_traces_cpu);
-}
-
/*********
* Model *
*********/
void surf_cpu_model_init_Cas01()
{
- char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
-
xbt_assert(!surf_cpu_model_pm);
xbt_assert(!surf_cpu_model_vm);
+ char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
if (!strcmp(optim, "TI")) {
surf_cpu_model_init_ti();
return;
}
- surf_cpu_model_pm = new CpuCas01Model();
- surf_cpu_model_vm = new CpuCas01Model();
+ surf_cpu_model_pm = new simgrid::surf::CpuCas01Model();
+ xbt_dynar_push(all_existing_models, &surf_cpu_model_pm);
- cpu_define_callbacks();
- ModelPtr model_pm = static_cast<ModelPtr>(surf_cpu_model_pm);
- ModelPtr model_vm = static_cast<ModelPtr>(surf_cpu_model_vm);
- xbt_dynar_push(model_list, &model_pm);
- xbt_dynar_push(model_list, &model_vm);
+ surf_cpu_model_vm = new simgrid::surf::CpuCas01Model();
+ xbt_dynar_push(all_existing_models, &surf_cpu_model_vm);
+
+ simgrid::surf::on_postparse.connect([]() {
+ surf_cpu_model_pm->addTraces();
+ });
}
-CpuCas01Model::CpuCas01Model() : CpuModel("cpu")
+namespace simgrid {
+namespace surf {
+
+CpuCas01Model::CpuCas01Model() : simgrid::surf::CpuModel()
{
char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
int select = xbt_cfg_get_boolean(_sg_cfg_set, "cpu/maxmin_selective_update");
p_cpuRunningActionSetThatDoesNotNeedBeingChecked = new ActionList();
- if (getUpdateMechanism() == UM_LAZY) {
- shareResources = &CpuCas01Model::shareResourcesLazy;
- updateActionsState = &CpuCas01Model::updateActionsStateLazy;
-
- } else if (getUpdateMechanism() == UM_FULL) {
- shareResources = &CpuCas01Model::shareResourcesFull;
- updateActionsState = &CpuCas01Model::updateActionsStateFull;
- } else
- xbt_die("Invalid cpu update mechanism!");
-
- if (!p_maxminSystem) {
- p_maxminSystem = lmm_system_new(m_selectiveUpdate);
- }
+ p_maxminSystem = lmm_system_new(m_selectiveUpdate);
if (getUpdateMechanism() == UM_LAZY) {
p_actionHeap = xbt_heap_new(8, NULL);
delete p_cpuRunningActionSetThatDoesNotNeedBeingChecked;
}
-void CpuCas01Model::parseInit(sg_platf_host_cbarg_t host)
+Cpu *CpuCas01Model::createCpu(simgrid::s4u::Host *host, xbt_dynar_t speedPeak,
+ int pstate, double speedScale,
+ tmgr_trace_t speedTrace, int core,
+ int initiallyOn,
+ tmgr_trace_t state_trace)
{
- createResource(host->id,
- host->power_peak,
- host->pstate,
- host->power_scale,
- host->power_trace,
- host->core_amount,
- host->initial_state,
- host->state_trace,
- host->properties);
-}
-
-CpuPtr CpuCas01Model::createResource(const char *name, xbt_dynar_t power_peak,
- int pstate, double power_scale,
- tmgr_trace_t power_trace, int core,
- e_surf_resource_state_t state_initial,
- tmgr_trace_t state_trace,
- xbt_dict_t cpu_properties)
-{
- CpuPtr cpu = NULL;
- xbt_assert(!surf_cpu_resource_priv(surf_cpu_resource_by_name(name)),
- "Host '%s' declared several times in the platform file",
- name);
- xbt_assert(xbt_dynar_getfirst_as(power_peak, double) > 0.0,
- "Power has to be >0.0");
- xbt_assert(core > 0, "Invalid number of cores %d", core);
-
- cpu = new CpuCas01(this, name, power_peak, pstate, power_scale, power_trace, core, state_initial, state_trace, cpu_properties);
- xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, static_cast<ResourcePtr>(cpu));
-
+ xbt_assert(xbt_dynar_getfirst_as(speedPeak, double) > 0.0,
+ "Speed has to be >0.0. Did you forget to specify the mandatory power attribute?");
+ xbt_assert(core > 0, "Invalid number of cores %d. Must be larger than 0", core);
+ Cpu *cpu = new CpuCas01(this, host, speedPeak, pstate, speedScale, speedTrace, core, initiallyOn, state_trace);
return cpu;
}
/* connect all traces relative to hosts */
xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
- CpuCas01Ptr host = static_cast<CpuCas01Ptr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm)));
+ CpuCas01 *host = static_cast<CpuCas01*>(sg_host_by_name(elm)->pimpl_cpu);
xbt_assert(host, "Host %s undefined", elm);
xbt_assert(trace, "Trace %s undefined", trace_name);
- host->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(host));
+ host->setStateEvent(future_evt_set->add_trace(trace, 0.0, 0, host));
}
xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
- CpuCas01Ptr host = static_cast<CpuCas01Ptr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm)));
+ CpuCas01 *host = static_cast<CpuCas01*>(sg_host_by_name(elm)->pimpl_cpu);
xbt_assert(host, "Host %s undefined", elm);
xbt_assert(trace, "Trace %s undefined", trace_name);
- host->p_powerEvent =
- tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(host));
+ host->setPowerEvent(future_evt_set->add_trace(trace, 0.0, 0, host));
}
}
/************
* Resource *
************/
-CpuCas01::CpuCas01(CpuCas01ModelPtr model, const char *name, xbt_dynar_t powerPeak,
- int pstate, double powerScale, tmgr_trace_t powerTrace, int core,
- e_surf_resource_state_t stateInitial, tmgr_trace_t stateTrace,
- xbt_dict_t properties)
-: Cpu(model, name, properties,
- lmm_constraint_new(model->getMaxminSystem(), this, core * powerScale * xbt_dynar_get_as(powerPeak, pstate, double)),
- core, xbt_dynar_get_as(powerPeak, pstate, double), powerScale) {
- p_powerEvent = NULL;
- p_powerPeakList = powerPeak;
- m_pstate = pstate;
-
- p_energy = xbt_new(s_energy_cpu_cas01_t, 1);
- p_energy->total_energy = 0;
- p_energy->power_range_watts_list = getWattsRangeList();
- p_energy->last_updated = surf_get_clock();
-
- XBT_DEBUG("CPU create: peak=%f, pstate=%d", m_powerPeak, m_pstate);
+CpuCas01::CpuCas01(CpuCas01Model *model, simgrid::s4u::Host *host, xbt_dynar_t speedPeak,
+ int pstate, double speedScale, tmgr_trace_t speedTrace, int core,
+ int initiallyOn, tmgr_trace_t stateTrace)
+: Cpu(model, host,
+ lmm_constraint_new(model->getMaxminSystem(), this, core * speedScale * xbt_dynar_get_as(speedPeak, pstate, double)),
+ speedPeak, pstate,
+ core, xbt_dynar_get_as(speedPeak, pstate, double), speedScale,
+ initiallyOn) {
+ p_speedEvent = NULL;
+
+ XBT_DEBUG("CPU create: peak=%f, pstate=%d", m_speedPeak, m_pstate);
m_core = core;
- m_stateCurrent = stateInitial;
- if (powerTrace)
- p_powerEvent = tmgr_history_add_trace(history, powerTrace, 0.0, 0, static_cast<ResourcePtr>(this));
+ if (speedTrace)
+ p_speedEvent = future_evt_set->add_trace(speedTrace, 0.0, 0, this);
if (stateTrace)
- p_stateEvent = tmgr_history_add_trace(history, stateTrace, 0.0, 0, static_cast<ResourcePtr>(this));
+ p_stateEvent = future_evt_set->add_trace(stateTrace, 0.0, 0, this);
+}
+
+CpuCas01::~CpuCas01()
+{
+ if (getModel() == surf_cpu_model_pm)
+ xbt_dynar_free(&p_speedPeakList);
}
-CpuCas01::~CpuCas01(){
- unsigned int iter;
- xbt_dynar_t power_tuple = NULL;
- xbt_dynar_foreach(p_energy->power_range_watts_list, iter, power_tuple)
- xbt_dynar_free(&power_tuple);
- xbt_dynar_free(&p_energy->power_range_watts_list);
- xbt_dynar_free(&p_powerPeakList);
- xbt_free(p_energy);
+void CpuCas01::setStateEvent(tmgr_trace_iterator_t stateEvent)
+{
+ p_stateEvent = stateEvent;
+}
+
+void CpuCas01::setPowerEvent(tmgr_trace_iterator_t powerEvent)
+{
+ p_speedEvent = powerEvent;
+}
+
+xbt_dynar_t CpuCas01::getSpeedPeakList(){
+ return p_speedPeakList;
}
bool CpuCas01::isUsed()
return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
}
-void CpuCas01::updateState(tmgr_trace_event_t event_type, double value, double date)
-{
- lmm_variable_t var = NULL;
- lmm_element_t elem = NULL;
+/** @brief take into account changes of speed (either load or max) */
+void CpuCas01::onSpeedChange() {
+ lmm_variable_t var = NULL;
+ lmm_element_t elem = NULL;
- if (event_type == p_powerEvent) {
- /* TODO (Hypervisor): do the same thing for constraint_core[i] */
- xbt_assert(m_core == 1, "FIXME: add power scaling code also for constraint_core[i]");
-
- m_powerScale = value;
- lmm_update_constraint_bound(surf_cpu_model_pm->getMaxminSystem(), getConstraint(),
- m_core * m_powerScale *
- m_powerPeak);
-#ifdef HAVE_TRACING
- TRACE_surf_host_set_power(date, getName(),
- m_core * m_powerScale *
- m_powerPeak);
-#endif
+ lmm_update_constraint_bound(getModel()->getMaxminSystem(), getConstraint(),
+ m_core * m_speedScale * m_speedPeak);
while ((var = lmm_get_var_from_cnst
- (surf_cpu_model_pm->getMaxminSystem(), getConstraint(), &elem))) {
- CpuCas01ActionPtr action = static_cast<CpuCas01ActionPtr>(static_cast<ActionPtr>(lmm_variable_id(var)));
+ (getModel()->getMaxminSystem(), getConstraint(), &elem))) {
+ CpuCas01Action *action = static_cast<CpuCas01Action*>(lmm_variable_id(var));
- lmm_update_variable_bound(surf_cpu_model_pm->getMaxminSystem(),
+ lmm_update_variable_bound(getModel()->getMaxminSystem(),
action->getVariable(),
- m_powerScale * m_powerPeak);
+ m_speedScale * m_speedPeak);
}
+
+ Cpu::onSpeedChange();
+}
+
+void CpuCas01::updateState(tmgr_trace_iterator_t event_type, double value, double date)
+{
+ lmm_variable_t var = NULL;
+ lmm_element_t elem = NULL;
+
+ if (event_type == p_speedEvent) {
+ /* TODO (Hypervisor): do the same thing for constraint_core[i] */
+ xbt_assert(m_core == 1, "FIXME: add speed scaling code also for constraint_core[i]");
+
+ m_speedScale = value;
+ onSpeedChange();
+
if (tmgr_trace_event_free(event_type))
- p_powerEvent = NULL;
+ p_speedEvent = NULL;
} else if (event_type == p_stateEvent) {
- /* TODO (Hypervisor): do the same thing for constraint_core[i] */
+ /* TODO (Hypervisor): do the same thing for constraint_core[i] */
xbt_assert(m_core == 1, "FIXME: add state change code also for constraint_core[i]");
if (value > 0) {
- if(m_stateCurrent == SURF_RESOURCE_OFF)
+ if(isOff())
xbt_dynar_push_as(host_that_restart, char*, (char *)getName());
- m_stateCurrent = SURF_RESOURCE_ON;
+ turnOn();
} else {
lmm_constraint_t cnst = getConstraint();
- m_stateCurrent = SURF_RESOURCE_OFF;
+ turnOff();
- while ((var = lmm_get_var_from_cnst(surf_cpu_model_pm->getMaxminSystem(), cnst, &elem))) {
- ActionPtr action = static_cast<ActionPtr>(lmm_variable_id(var));
+ while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), cnst, &elem))) {
+ Action *action = static_cast<Action*>(lmm_variable_id(var));
if (action->getState() == SURF_ACTION_RUNNING ||
action->getState() == SURF_ACTION_READY ||
return;
}
-CpuActionPtr CpuCas01::execute(double size)
+CpuAction *CpuCas01::execute(double size)
{
XBT_IN("(%s,%g)", getName(), size);
- CpuCas01ActionPtr action = new CpuCas01Action(surf_cpu_model_pm, size, m_stateCurrent != SURF_RESOURCE_ON,
- m_powerScale * m_powerPeak, getConstraint());
+ CpuCas01Action *action = new CpuCas01Action(getModel(), size, isOff(),
+ m_speedScale * m_speedPeak, getConstraint());
XBT_OUT();
return action;
}
-CpuActionPtr CpuCas01::sleep(double duration)
+CpuAction *CpuCas01::sleep(double duration)
{
if (duration > 0)
- duration = MAX(duration, MAXMIN_PRECISION);
+ duration = MAX(duration, sg_surf_precision);
XBT_IN("(%s,%g)", getName(), duration);
- CpuCas01ActionPtr action = new CpuCas01Action(surf_cpu_model_pm, 1.0, m_stateCurrent != SURF_RESOURCE_ON,
- m_powerScale * m_powerPeak, getConstraint());
+ CpuCas01Action *action = new CpuCas01Action(getModel(), 1.0, isOff(),
+ m_speedScale * m_speedPeak, getConstraint());
// FIXME: sleep variables should not consume 1.0 in lmm_expand
if (duration == NO_MAX_DURATION) {
/* Move to the *end* of the corresponding action set. This convention
is used to speed up update_resource_state */
- action->getStateSet()->erase(action->getStateSet()->iterator_to(*action));
- action->p_stateSet = static_cast<CpuCas01ModelPtr>(getModel())->p_cpuRunningActionSetThatDoesNotNeedBeingChecked;
+ action->getStateSet()->erase(action->getStateSet()->iterator_to(*action));
+ action->p_stateSet = static_cast<CpuCas01Model*>(getModel())->p_cpuRunningActionSetThatDoesNotNeedBeingChecked;
action->getStateSet()->push_back(*action);
}
- lmm_update_variable_weight(surf_cpu_model_pm->getMaxminSystem(),
- action->getVariable(), 0.0);
- if (surf_cpu_model_pm->getUpdateMechanism() == UM_LAZY) { // remove action from the heap
- action->heapRemove(surf_cpu_model_pm->getActionHeap());
+ lmm_update_variable_weight(getModel()->getMaxminSystem(),
+ action->getVariable(), 0.0);
+ if (getModel()->getUpdateMechanism() == UM_LAZY) { // remove action from the heap
+ action->heapRemove(getModel()->getActionHeap());
// this is necessary for a variable with weight 0 since such
// variables are ignored in lmm and we need to set its max_duration
// correctly at the next call to share_resources
- surf_cpu_model_pm->getModifiedSet()->push_front(*action);
+ getModel()->getModifiedSet()->push_front(*action);
}
XBT_OUT();
return action;
}
-xbt_dynar_t CpuCas01::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 (getProperties() == NULL)
- return NULL;
-
- char* all_power_values_str = (char*)xbt_dict_get_or_null(getProperties(), "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",
- getName());
-
- /* 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 CpuCas01::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", getName());
- 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",
- getName());
-
- /* 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 CpuCas01::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 CpuCas01::getCurrentPowerPeak()
-{
- return m_powerPeak;
-}
-
-double CpuCas01::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 CpuCas01::getNbPstates()
-{
- return xbt_dynar_length(p_powerPeakList);
-}
-
-void CpuCas01::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 CpuCas01::getConsumedEnergy()
-{
- return p_energy->total_energy;
-}
-
/**********
* Action *
**********/
-CpuCas01Action::CpuCas01Action(ModelPtr model, double cost, bool failed, double power, lmm_constraint_t constraint)
+CpuCas01Action::CpuCas01Action(Model *model, double cost, bool failed, double speed, lmm_constraint_t constraint)
: CpuAction(model, cost, failed,
- lmm_variable_new(model->getMaxminSystem(), static_cast<ActionPtr>(this),
- 1.0, power, 1))
+ lmm_variable_new(model->getMaxminSystem(), this,
+ 1.0, speed, 1))
{
- m_suspended = 0; /* Should be useless because of the
- calloc but it seems to help valgrind... */
-
if (model->getUpdateMechanism() == UM_LAZY) {
m_indexHeap = -1;
m_lastUpdate = surf_get_clock();
lmm_expand(model->getMaxminSystem(), constraint, getVariable(), 1.0);
}
-
-/**
- * Update the CPU total energy for a finished action
- *
- */
-void CpuCas01Action::updateEnergy()
-{
- CpuCas01Ptr cpu = static_cast<CpuCas01Ptr>(lmm_constraint_id(lmm_get_cnst_from_var
- (getModel()->getMaxminSystem(),
- getVariable(), 0)));
-
- if(cpu->p_energy->last_updated < surf_get_clock()) {
- double load = lmm_constraint_get_usage(cpu->getConstraint()) / cpu->m_powerPeak;
- cpu->updateEnergy(load);
- }
+}
}
