-/* Copyright (c) 2009-2011, 2013-2015. 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
*********/
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 simgrid::surf::CpuCas01Model();
- surf_cpu_model_vm = new simgrid::surf::CpuCas01Model();
+ xbt_dynar_push(all_existing_models, &surf_cpu_model_pm);
- sg_platf_postparse_add_cb(simgrid::surf::cpu_add_traces);
-
- simgrid::surf::Model *model_pm = surf_cpu_model_pm;
- simgrid::surf::Model *model_vm = surf_cpu_model_vm;
- xbt_dynar_push(all_existing_models, &model_pm);
- xbt_dynar_push(all_existing_models, &model_vm);
+ surf_cpu_model_vm = new simgrid::surf::CpuCas01Model();
+ xbt_dynar_push(all_existing_models, &surf_cpu_model_vm);
}
namespace simgrid {
int select = xbt_cfg_get_boolean(_sg_cfg_set, "cpu/maxmin_selective_update");
if (!strcmp(optim, "Full")) {
- p_updateMechanism = UM_FULL;
- m_selectiveUpdate = select;
+ updateMechanism_ = UM_FULL;
+ selectiveUpdate_ = select;
} else if (!strcmp(optim, "Lazy")) {
- p_updateMechanism = UM_LAZY;
- m_selectiveUpdate = 1;
+ updateMechanism_ = UM_LAZY;
+ selectiveUpdate_ = 1;
xbt_assert((select == 1)
||
(xbt_cfg_is_default_value
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);
- }
+ maxminSystem_ = lmm_system_new(selectiveUpdate_);
if (getUpdateMechanism() == UM_LAZY) {
- p_actionHeap = xbt_heap_new(8, NULL);
- xbt_heap_set_update_callback(p_actionHeap, surf_action_lmm_update_index_heap);
- p_modifiedSet = new ActionLmmList();
- p_maxminSystem->keep_track = p_modifiedSet;
+ actionHeap_ = xbt_heap_new(8, NULL);
+ xbt_heap_set_update_callback(actionHeap_, surf_action_lmm_update_index_heap);
+ modifiedSet_ = new ActionLmmList();
+ maxminSystem_->keep_track = modifiedSet_;
}
}
CpuCas01Model::~CpuCas01Model()
{
- lmm_system_free(p_maxminSystem);
- p_maxminSystem = NULL;
+ lmm_system_free(maxminSystem_);
+ maxminSystem_ = NULL;
- if (p_actionHeap)
- xbt_heap_free(p_actionHeap);
- delete p_modifiedSet;
+ if (actionHeap_)
+ xbt_heap_free(actionHeap_);
+ delete modifiedSet_;
surf_cpu_model_pm = NULL;
delete p_cpuRunningActionSetThatDoesNotNeedBeingChecked;
}
-Cpu *CpuCas01Model::createCpu(const char *name, xbt_dynar_t speedPeak,
- int pstate, double speedScale,
- tmgr_trace_t speedTrace, int core,
- e_surf_resource_state_t state_initial,
- tmgr_trace_t state_trace,
- xbt_dict_t cpu_properties)
+Cpu *CpuCas01Model::createCpu(simgrid::s4u::Host *host, xbt_dynar_t speedPeak, tmgr_trace_t speedTrace, int core)
{
- Cpu *cpu = NULL;
- sg_host_t host = sg_host_by_name(name);
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 = new CpuCas01(this, name, speedPeak, pstate, speedScale, speedTrace, core, state_initial, state_trace, cpu_properties);
- sg_host_surfcpu_register(host, cpu);
- return cpu;
-}
-
-double CpuCas01Model::shareResourcesFull(double /*now*/)
-{
- return Model::shareResourcesMaxMin(getRunningActionSet(),
- p_maxminSystem, lmm_solve);
+ return new CpuCas01(this, host, speedPeak, speedTrace, core);
}
-void CpuCas01Model::addTraces()
+double CpuCas01Model::next_occuring_event_full(double /*now*/)
{
- xbt_dict_cursor_t cursor = NULL;
- char *trace_name, *elm;
- static int called = 0;
- if (called)
- return;
- called = 1;
-
- /* 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);
- CpuCas01 *host = static_cast<CpuCas01*>(sg_host_surfcpu(sg_host_by_name(elm)));
-
- xbt_assert(host, "Host %s undefined", elm);
- xbt_assert(trace, "Trace %s undefined", trace_name);
-
- host->setStateEvent(tmgr_history_add_trace(history, 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);
- CpuCas01 *host = static_cast<CpuCas01*>(sg_host_surfcpu(sg_host_by_name(elm)));
-
- xbt_assert(host, "Host %s undefined", elm);
- xbt_assert(trace, "Trace %s undefined", trace_name);
-
- host->setPowerEvent(tmgr_history_add_trace(history, trace, 0.0, 0, host));
- }
+ return Model::shareResourcesMaxMin(getRunningActionSet(), maxminSystem_, lmm_solve);
}
/************
* Resource *
************/
-CpuCas01::CpuCas01(CpuCas01Model *model, const char *name, xbt_dynar_t speedPeak,
- int pstate, double speedScale, tmgr_trace_t speedTrace, 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 * speedScale * xbt_dynar_get_as(speedPeak, pstate, double)),
- core, xbt_dynar_get_as(speedPeak, pstate, double), speedScale,
- stateInitial) {
- p_speedEvent = NULL;
-
- // Copy the power peak array:
- p_speedPeakList = xbt_dynar_new(sizeof(double), nullptr);
- unsigned long n = xbt_dynar_length(speedPeak);
- for (unsigned long i = 0; i != n; ++i) {
- double value = xbt_dynar_get_as(speedPeak, i, double);
- xbt_dynar_push(p_speedPeakList, &value);
- }
-
- m_pstate = pstate;
+CpuCas01::CpuCas01(CpuCas01Model *model, simgrid::s4u::Host *host, xbt_dynar_t speedPeak,
+ tmgr_trace_t speedTrace, int core)
+: Cpu(model, host,
+ lmm_constraint_new(model->getMaxminSystem(), this, core * xbt_dynar_get_as(speedPeak, 0/*pstate*/, double)),
+ speedPeak, core, xbt_dynar_get_as(speedPeak, 0/*pstate*/, double))
+{
- XBT_DEBUG("CPU create: peak=%f, pstate=%d", m_speedPeak, m_pstate);
+ XBT_DEBUG("CPU create: peak=%f, pstate=%d", speed_.peak, pstate_);
- m_core = core;
+ coresAmount_ = core;
if (speedTrace)
- p_speedEvent = tmgr_history_add_trace(history, speedTrace, 0.0, 0, this);
-
- if (stateTrace)
- p_stateEvent = tmgr_history_add_trace(history, stateTrace, 0.0, 0, this);
-}
-
-CpuCas01::~CpuCas01(){
- if (getModel() == surf_cpu_model_pm)
- xbt_dynar_free(&p_speedPeakList);
-}
-
-void CpuCas01::setStateEvent(tmgr_trace_event_t stateEvent)
-{
- p_stateEvent = stateEvent;
+ speed_.event = future_evt_set->add_trace(speedTrace, 0.0, this);
}
-void CpuCas01::setPowerEvent(tmgr_trace_event_t powerEvent)
+CpuCas01::~CpuCas01()
{
- p_speedEvent = powerEvent;
+ if (getModel() == surf_cpu_model_pm)
+ xbt_dynar_free(&speedPeakList_);
}
xbt_dynar_t CpuCas01::getSpeedPeakList(){
- return p_speedPeakList;
-}
-
-int CpuCas01::getPState()
-{
- return m_pstate;
+ return speedPeakList_;
}
bool CpuCas01::isUsed()
return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
}
-void CpuCas01::updateState(tmgr_trace_event_t event_type, double value, double date)
-{
+/** @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_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;
lmm_update_constraint_bound(getModel()->getMaxminSystem(), getConstraint(),
- m_core * m_speedScale *
- m_speedPeak);
- TRACE_surf_host_set_speed(date, getName(),
- m_core * m_speedScale *
- m_speedPeak);
+ coresAmount_ * speed_.scale * speed_.peak);
while ((var = lmm_get_var_from_cnst
(getModel()->getMaxminSystem(), getConstraint(), &elem))) {
CpuCas01Action *action = static_cast<CpuCas01Action*>(lmm_variable_id(var));
lmm_update_variable_bound(getModel()->getMaxminSystem(),
action->getVariable(),
- m_speedScale * m_speedPeak);
+ speed_.scale * speed_.peak);
}
- if (tmgr_trace_event_free(event_type))
- p_speedEvent = NULL;
- } else if (event_type == p_stateEvent) {
- /* 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]");
+
+ Cpu::onSpeedChange();
+}
+
+void CpuCas01::apply_event(tmgr_trace_iterator_t event, double value)
+{
+ if (event == speed_.event) {
+ /* TODO (Hypervisor): do the same thing for constraint_core[i] */
+ xbt_assert(coresAmount_ == 1, "FIXME: add speed scaling code also for constraint_core[i]");
+
+ speed_.scale = value;
+ onSpeedChange();
+
+ tmgr_trace_event_unref(&speed_.event);
+ } else if (event == stateEvent_) {
+ /* TODO (Hypervisor): do the same thing for constraint_core[i] */
+ xbt_assert(coresAmount_ == 1, "FIXME: add state change code also for constraint_core[i]");
if (value > 0) {
- if(getState() == SURF_RESOURCE_OFF)
+ if(isOff())
xbt_dynar_push_as(host_that_restart, char*, (char *)getName());
- setState(SURF_RESOURCE_ON);
+ turnOn();
} else {
lmm_constraint_t cnst = getConstraint();
+ lmm_variable_t var = NULL;
+ lmm_element_t elem = NULL;
+ double date = surf_get_clock();
- setState(SURF_RESOURCE_OFF);
+ turnOff();
while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), cnst, &elem))) {
Action *action = static_cast<Action*>(lmm_variable_id(var));
}
}
}
- if (tmgr_trace_event_free(event_type))
- p_stateEvent = NULL;
+ tmgr_trace_event_unref(&stateEvent_);
+
} else {
- XBT_CRITICAL("Unknown event ! \n");
- xbt_abort();
+ xbt_die("Unknown event!\n");
}
-
- return;
}
-CpuAction *CpuCas01::execute(double size)
+CpuAction *CpuCas01::execution_start(double size)
{
XBT_IN("(%s,%g)", getName(), size);
- CpuCas01Action *action = new CpuCas01Action(getModel(), size, getState() != SURF_RESOURCE_ON,
- m_speedScale * m_speedPeak, getConstraint());
+ CpuCas01Action *action = new CpuCas01Action(getModel(), size, isOff(),
+ speed_.scale * speed_.peak, getConstraint());
XBT_OUT();
return action;
duration = MAX(duration, sg_surf_precision);
XBT_IN("(%s,%g)", getName(), duration);
- CpuCas01Action *action = new CpuCas01Action(getModel(), 1.0, getState() != SURF_RESOURCE_ON,
- m_speedScale * m_speedPeak, getConstraint());
+ CpuCas01Action *action = new CpuCas01Action(getModel(), 1.0, isOff(),
+ speed_.scale * speed_.peak, 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->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(getModel()->getMaxminSystem(),
- action->getVariable(), 0.0);
+ 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
return action;
}
-double CpuCas01::getCurrentPowerPeak()
-{
- return m_speedPeak;
-}
-
-double CpuCas01::getPowerPeakAt(int pstate_index)
-{
- xbt_dynar_t plist = p_speedPeakList;
- 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_speedPeakList);
-}
-
-void CpuCas01::setPstate(int pstate_index)
-{
- xbt_dynar_t plist = p_speedPeakList;
- xbt_assert((pstate_index <= (int)xbt_dynar_length(plist)), "Invalid parameters (pstate index out of bounds)");
-
- double new_pstate = xbt_dynar_get_as(plist, pstate_index, double);
- m_pstate = pstate_index;
- m_speedPeak = new_pstate;
-}
-
-int CpuCas01::getPstate()
-{
- return m_pstate;
-}
-
/**********
* Action *
**********/
CpuCas01Action::CpuCas01Action(Model *model, double cost, bool failed, double speed, lmm_constraint_t constraint)
: CpuAction(model, cost, failed,
- lmm_variable_new(model->getMaxminSystem(), this,
- 1.0, speed, 1))
+ lmm_variable_new(model->getMaxminSystem(), this,
+ 1.0, speed, 1))
{
- m_suspended = 0;
if (model->getUpdateMechanism() == UM_LAZY) {
m_indexHeap = -1;
m_lastUpdate = surf_get_clock();