X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7777e8942b95f4adfd35f43b302db2d7e8e9799e..6a07d63f0f7ce92c6e77881af3ca2fd1113f1fd1:/src/surf/cpu_interface.cpp diff --git a/src/surf/cpu_interface.cpp b/src/surf/cpu_interface.cpp index e735c61f7e..ccdad63294 100644 --- a/src/surf/cpu_interface.cpp +++ b/src/surf/cpu_interface.cpp @@ -1,32 +1,43 @@ -/* Copyright (c) 2013-2014. The SimGrid Team. +/* Copyright (c) 2013-2015. The SimGrid Team. * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ +#include #include "cpu_interface.hpp" +#include "plugins/energy.hpp" +#include "src/instr/instr_private.h" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals XBT_LOG_EXTERNAL_CATEGORY(surf_kernel); XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu, surf, "Logging specific to the SURF cpu module"); -CpuModelPtr surf_cpu_model_pm; -CpuModelPtr surf_cpu_model_vm; +int autoload_surf_cpu_model = 1; +void_f_void_t surf_cpu_model_init_preparse = NULL; + +simgrid::surf::CpuModel *surf_cpu_model_pm; +simgrid::surf::CpuModel *surf_cpu_model_vm; + +namespace simgrid { +namespace surf { /************* * Callbacks * *************/ -CpuPtr getActionCpu(CpuActionPtr action) { - return static_cast(lmm_constraint_id(lmm_get_cnst_from_var - (action->getModel()->getMaxminSystem(), - action->getVariable(), 0))); +std::list getActionCpus(CpuAction *action) { + std::list retlist; + lmm_system_t sys = action->getModel()->getMaxminSystem(); + int llen = lmm_get_number_of_cnst_from_var(sys, action->getVariable()); + + for(int i = 0; igetVariable(), i) )) ); + } + return retlist; } -surf_callback(void, CpuPtr) cpuCreatedCallbacks; -surf_callback(void, CpuPtr) cpuDestructedCallbacks; -surf_callback(void, CpuPtr) cpuStateChangedCallbacks; -surf_callback(void, CpuActionPtr) cpuActionStateChangedCallbacks; +simgrid::xbt::signal cpuActionStateChangedCallbacks; /********* * Model * @@ -34,20 +45,18 @@ surf_callback(void, CpuActionPtr) cpuActionStateChangedCallbacks; void CpuModel::updateActionsStateLazy(double now, double /*delta*/) { - CpuActionPtr action; + CpuAction *action; while ((xbt_heap_size(getActionHeap()) > 0) - && (double_equals(xbt_heap_maxkey(getActionHeap()), now))) { - action = static_cast(static_cast(xbt_heap_pop(getActionHeap()))); + && (double_equals(xbt_heap_maxkey(getActionHeap()), now, sg_surf_precision))) { + action = static_cast(xbt_heap_pop(getActionHeap())); XBT_CDEBUG(surf_kernel, "Something happened to action %p", action); -#ifdef HAVE_TRACING if (TRACE_is_enabled()) { - CpuPtr cpu = static_cast(lmm_constraint_id(lmm_get_cnst_from_var(getMaxminSystem(), action->getVariable(), 0))); + Cpu *cpu = static_cast(lmm_constraint_id(lmm_get_cnst_from_var(getMaxminSystem(), action->getVariable(), 0))); TRACE_surf_host_set_utilization(cpu->getName(), action->getCategory(), lmm_variable_getvalue(action->getVariable()), action->getLastUpdate(), now - action->getLastUpdate()); } -#endif action->finish(); XBT_CDEBUG(surf_kernel, "Action %p finished", action); @@ -57,15 +66,14 @@ void CpuModel::updateActionsStateLazy(double now, double /*delta*/) action->setState(SURF_ACTION_DONE); action->heapRemove(getActionHeap()); //FIXME: strange call since action was already popped } -#ifdef HAVE_TRACING if (TRACE_is_enabled()) { //defining the last timestamp that we can safely dump to trace file //without losing the event ascending order (considering all CPU's) double smaller = -1; - ActionListPtr actionSet = getRunningActionSet(); + ActionList *actionSet = getRunningActionSet(); for(ActionList::iterator it(actionSet->begin()), itend(actionSet->end()) ; it != itend ; ++it) { - action = static_cast(&*it); + action = static_cast(&*it); if (smaller < 0) { smaller = action->getLastUpdate(); continue; @@ -78,23 +86,20 @@ void CpuModel::updateActionsStateLazy(double now, double /*delta*/) TRACE_last_timestamp_to_dump = smaller; } } -#endif return; } void CpuModel::updateActionsStateFull(double now, double delta) { - CpuActionPtr action = NULL; - ActionListPtr running_actions = getRunningActionSet(); + CpuAction *action = NULL; + ActionList *running_actions = getRunningActionSet(); for(ActionList::iterator it(running_actions->begin()), itNext=it, itend(running_actions->end()) ; it != itend ; it=itNext) { - ++itNext; - action = static_cast(&*it); -#ifdef HAVE_TRACING + ++itNext; + action = static_cast(&*it); if (TRACE_is_enabled()) { - CpuPtr x = (CpuPtr) lmm_constraint_id(lmm_get_cnst_from_var - (getMaxminSystem(), action->getVariable(), 0)); + Cpu *x = static_cast (lmm_constraint_id(lmm_get_cnst_from_var(getMaxminSystem(), action->getVariable(), 0)) ); TRACE_surf_host_set_utilization(x->getName(), action->getCategory(), @@ -103,7 +108,6 @@ void CpuModel::updateActionsStateFull(double now, double delta) delta); TRACE_last_timestamp_to_dump = now - delta; } -#endif action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta); @@ -129,83 +133,134 @@ void CpuModel::updateActionsStateFull(double now, double delta) /************ * Resource * ************/ - -Cpu::Cpu(){ - surf_callback_emit(cpuCreatedCallbacks, this); -} - -Cpu::Cpu(ModelPtr model, const char *name, xbt_dict_t props, - int core, double powerPeak, double powerScale) - : Resource(model, name, props) - , m_core(core) - , m_powerPeak(powerPeak) - , m_powerScale(powerScale) - , p_constraintCore(NULL) - , p_constraintCoreId(NULL) +Cpu::Cpu(Model *model, simgrid::s4u::Host *host, + xbt_dynar_t speedPeakList, int core, double speedPeak) + : Cpu(model, host, NULL/*constraint*/, speedPeakList, core, speedPeak) { - surf_callback_emit(cpuCreatedCallbacks, this); } -Cpu::Cpu(ModelPtr model, const char *name, xbt_dict_t props, - lmm_constraint_t constraint, int core, double powerPeak, double powerScale) - : Resource(model, name, props, constraint) - , m_core(core) - , m_powerPeak(powerPeak) - , m_powerScale(powerScale) +Cpu::Cpu(Model *model, simgrid::s4u::Host *host, lmm_constraint_t constraint, + xbt_dynar_t speedPeakList, int core, double speedPeak) + : Resource(model, host->name().c_str(), constraint) + , coresAmount_(core) + , host_(host) { - surf_callback_emit(cpuCreatedCallbacks, this); - /* At now, we assume that a VM does not have a multicore CPU. */ + speed_.peak = speedPeak; + speed_.scale = 1; + host->pimpl_cpu = this; + xbt_assert(speed_.scale > 0, "Available speed has to be >0"); + + // Copy the power peak array: + speedPeakList_ = xbt_dynar_new(sizeof(double), nullptr); + unsigned long n = xbt_dynar_length(speedPeakList); + for (unsigned long i = 0; i != n; ++i) { + double value = xbt_dynar_get_as(speedPeakList, i, double); + xbt_dynar_push(speedPeakList_, &value); + } + + /* Currently, we assume that a VM does not have a multicore CPU. */ if (core > 1) xbt_assert(model == surf_cpu_model_pm); - p_constraintCore = NULL; - p_constraintCoreId = NULL; if (model->getUpdateMechanism() != UM_UNDEFINED) { - p_constraintCore = xbt_new(lmm_constraint_t, core); - p_constraintCoreId = xbt_new(void*, core); + p_constraintCore = xbt_new(lmm_constraint_t, core); + p_constraintCoreId = xbt_new(void*, core); int i; for (i = 0; i < core; i++) { /* just for a unique id, never used as a string. */ - p_constraintCoreId[i] = bprintf("%s:%i", name, i); - p_constraintCore[i] = lmm_constraint_new(model->getMaxminSystem(), p_constraintCoreId[i], m_powerScale * m_powerPeak); + p_constraintCoreId[i] = bprintf("%s:%i", host->name().c_str(), i); + p_constraintCore[i] = lmm_constraint_new(model->getMaxminSystem(), p_constraintCoreId[i], speed_.scale * speed_.peak); } } } -Cpu::~Cpu(){ - surf_callback_emit(cpuDestructedCallbacks, this); +Cpu::~Cpu() +{ if (p_constraintCoreId){ - for (int i = 0; i < m_core; i++) { - xbt_free(p_constraintCoreId[i]); + for (int i = 0; i < coresAmount_; i++) { + xbt_free(p_constraintCoreId[i]); } xbt_free(p_constraintCore); } if (p_constraintCoreId) xbt_free(p_constraintCoreId); + if (speedPeakList_) + xbt_dynar_free(&speedPeakList_); +} + +double Cpu::getCurrentPowerPeak() +{ + return speed_.peak; +} + +int Cpu::getNbPStates() +{ + return xbt_dynar_length(speedPeakList_); +} + +void Cpu::setPState(int pstate_index) +{ + xbt_dynar_t plist = speedPeakList_; + xbt_assert(pstate_index <= (int)xbt_dynar_length(plist), + "Invalid parameters for CPU %s (pstate %d > length of pstates %d)", getName(), pstate_index, (int)xbt_dynar_length(plist)); + + double new_peak_speed = xbt_dynar_get_as(plist, pstate_index, double); + pstate_ = pstate_index; + speed_.peak = new_peak_speed; + + onSpeedChange(); +} + +int Cpu::getPState() +{ + return pstate_; +} + +double Cpu::getPowerPeakAt(int pstate_index) +{ + xbt_dynar_t plist = 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); } double Cpu::getSpeed(double load) { - return load * m_powerPeak; + return load * speed_.peak; } double Cpu::getAvailableSpeed() { /* number between 0 and 1 */ - return m_powerScale; + return speed_.scale; } +void Cpu::onSpeedChange() { + TRACE_surf_host_set_speed(surf_get_clock(), getName(), + coresAmount_ * speed_.scale * speed_.peak); +} + + int Cpu::getCore() { - return m_core; + return coresAmount_; } -void Cpu::setState(e_surf_resource_state_t state) +void Cpu::setStateTrace(tmgr_trace_t trace) { - Resource::setState(state); - surf_callback_emit(cpuStateChangedCallbacks, this); + xbt_assert(stateEvent_==NULL,"Cannot set a second state trace to Host %s", host_->name().c_str()); + + stateEvent_ = future_evt_set->add_trace(trace, 0.0, this); } +void Cpu::setSpeedTrace(tmgr_trace_t trace) +{ + xbt_assert(speed_.event==NULL,"Cannot set a second speed trace to Host %s", host_->name().c_str()); + + speed_.event = future_evt_set->add_trace(trace, 0.0, this); +} + + /********** * Action * **********/ @@ -224,16 +279,14 @@ void CpuAction::updateRemainingLazy(double now) delta = now - m_lastUpdate; if (m_remains > 0) { - XBT_CDEBUG(surf_kernel, "Updating action(%p): remains was %lf, last_update was: %lf", this, m_remains, m_lastUpdate); - double_update(&(m_remains), m_lastValue * delta); + XBT_CDEBUG(surf_kernel, "Updating action(%p): remains was %f, last_update was: %f", this, m_remains, m_lastUpdate); + double_update(&(m_remains), m_lastValue * delta, sg_maxmin_precision*sg_surf_precision); -#ifdef HAVE_TRACING if (TRACE_is_enabled()) { - CpuPtr cpu = static_cast(lmm_constraint_id(lmm_get_cnst_from_var(getModel()->getMaxminSystem(), getVariable(), 0))); + Cpu *cpu = static_cast(lmm_constraint_id(lmm_get_cnst_from_var(getModel()->getMaxminSystem(), getVariable(), 0))); TRACE_surf_host_set_utilization(cpu->getName(), getCategory(), m_lastValue, m_lastUpdate, now - m_lastUpdate); } -#endif - XBT_CDEBUG(surf_kernel, "Updating action(%p): remains is now %lf", this, m_remains); + XBT_CDEBUG(surf_kernel, "Updating action(%p): remains is now %f", this, m_remains); } m_lastUpdate = now; @@ -260,7 +313,7 @@ void CpuAction::updateRemainingLazy(double now) * action object does not have the information about the location where the * action is being executed. */ -void CpuAction::setAffinity(CpuPtr cpu, unsigned long mask) +void CpuAction::setAffinity(Cpu *cpu, unsigned long mask) { lmm_variable_t var_obj = getVariable(); XBT_IN("(%p,%lx)", this, mask); @@ -269,7 +322,7 @@ void CpuAction::setAffinity(CpuPtr cpu, unsigned long mask) unsigned long nbits = 0; /* FIXME: There is much faster algorithms doing this. */ - for (int i = 0; i < cpu->m_core; i++) { + for (int i = 0; i < cpu->coresAmount_; i++) { unsigned long has_affinity = (1UL << i) & mask; if (has_affinity) nbits += 1; @@ -282,7 +335,7 @@ void CpuAction::setAffinity(CpuPtr cpu, unsigned long mask) } } - for (int i = 0; i < cpu->m_core; i++) { + for (int i = 0; i < cpu->coresAmount_; i++) { XBT_DEBUG("clear affinity %p to cpu-%d@%s", this, i, cpu->getName()); lmm_shrink(cpu->getModel()->getMaxminSystem(), cpu->p_constraintCore[i], var_obj); @@ -308,7 +361,13 @@ void CpuAction::setAffinity(CpuPtr cpu, unsigned long mask) XBT_OUT(); } +simgrid::xbt::signal CpuAction::onStateChange; + void CpuAction::setState(e_surf_action_state_t state){ + e_surf_action_state_t previous = getState(); Action::setState(state); - surf_callback_emit(cpuActionStateChangedCallbacks, this); + onStateChange(this, previous); +} + +} }