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give the VM a link to their PM as a simgrid::Host
[simgrid.git] / src / surf / cpu_interface.cpp
index ee969f9..10334fa 100644 (file)
@@ -1,26 +1,48 @@
+/* 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 "cpu_interface.hpp"
+#include "plugins/energy.hpp"
 
 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 {
+
+simgrid::xbt::Extension<simgrid::Host, Cpu> Cpu::EXTENSION_ID;
+
+void Cpu::classInit()
+{
+  if (!EXTENSION_ID.valid())
+    EXTENSION_ID = simgrid::Host::extension_create<simgrid::surf::Cpu>();
+}
 
 /*************
  * Callbacks *
  *************/
 
-CpuPtr getActionCpu(CpuActionPtr action) {
-  return static_cast<CpuPtr>(lmm_constraint_id(lmm_get_cnst_from_var
+Cpu *getActionCpu(CpuAction *action) {
+  return static_cast<Cpu*>(lmm_constraint_id(lmm_get_cnst_from_var
                                         (action->getModel()->getMaxminSystem(),
                                         action->getVariable(), 0)));
 }
 
-surf_callback(void, CpuPtr) cpuCreatedCallbacks;
-surf_callback(void, CpuPtr) cpuDestructedCallbacks;
-surf_callback(void, CpuPtr) cpuStateChangedCallbacks;
-surf_callback(void, CpuActionPtr) cpuActionStateChangedCallbacks;
+simgrid::surf::signal<void(CpuAction*, e_surf_action_state_t, e_surf_action_state_t)> cpuActionStateChangedCallbacks;
+
+void cpu_add_traces(){
+  surf_cpu_model_pm->addTraces();
+}
 
 /*********
  * Model *
@@ -28,20 +50,18 @@ 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<CpuActionPtr>(static_cast<ActionPtr>(xbt_heap_pop(getActionHeap())));
+         && (double_equals(xbt_heap_maxkey(getActionHeap()), now, sg_surf_precision))) {
+    action = static_cast<CpuAction*>(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<CpuPtr>(lmm_constraint_id(lmm_get_cnst_from_var(getMaxminSystem(), action->getVariable(), 0)));
+      Cpu *cpu = static_cast<Cpu*>(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);
@@ -51,15 +71,14 @@ 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<CpuActionPtr>(&*it);
+      action = static_cast<CpuAction*>(&*it);
         if (smaller < 0) {
           smaller = action->getLastUpdate();
           continue;
@@ -72,23 +91,20 @@ 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<CpuActionPtr>(&*it);
-#ifdef HAVE_TRACING
+    action = static_cast<CpuAction*>(&*it);
     if (TRACE_is_enabled()) {
-      CpuPtr x = (CpuPtr) lmm_constraint_id(lmm_get_cnst_from_var
-                              (getMaxminSystem(), action->getVariable(), 0));
+      Cpu *x = static_cast<Cpu*> (lmm_constraint_id(lmm_get_cnst_from_var(getMaxminSystem(), action->getVariable(), 0)) );
 
       TRACE_surf_host_set_utilization(x->getName(),
                                       action->getCategory(),
@@ -97,7 +113,6 @@ void CpuModel::updateActionsStateFull(double now, double delta)
                                       delta);
       TRACE_last_timestamp_to_dump = now - delta;
     }
-#endif
 
     action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
 
@@ -123,37 +138,34 @@ void CpuModel::updateActionsStateFull(double now, double delta)
 /************
  * Resource *
  ************/
-
-Cpu::Cpu(){
-  surf_callback_emit(cpuCreatedCallbacks, this);
+Cpu::Cpu()
+{
 }
 
-Cpu::Cpu(ModelPtr model, const char *name, xbt_dict_t props,
-                int core, double powerPeak, double powerScale)
- : Resource(model, name, props)
+
+Cpu::Cpu(Model *model, const char *name,
+         int core, double speedPeak, double speedScale,
+         e_surf_resource_state_t stateInitial)
+ : Resource(model, name, stateInitial)
  , m_core(core)
- , m_powerPeak(powerPeak)
- , m_powerScale(powerScale)
- , p_constraintCore(NULL)
- , p_constraintCoreId(NULL)
+ , m_speedPeak(speedPeak)
+ , m_speedScale(speedScale)
 {
-  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)
+Cpu::Cpu(Model *model, const char *name,
+        lmm_constraint_t constraint, int core, double speedPeak,
+        double speedScale, e_surf_resource_state_t stateInitial)
+ : Resource(model, name, constraint, stateInitial)
  , m_core(core)
- , m_powerPeak(powerPeak)
- , m_powerScale(powerScale)
+ , m_speedPeak(speedPeak)
+ , m_speedScale(speedScale)
 {
-  surf_callback_emit(cpuCreatedCallbacks, this);
   /* At now, 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);
@@ -162,13 +174,23 @@ Cpu::Cpu(ModelPtr model, const char *name, xbt_dict_t props,
     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_constraintCore[i] = lmm_constraint_new(model->getMaxminSystem(), p_constraintCoreId[i], m_speedScale * m_speedPeak);
     }
   }
 }
 
-Cpu::~Cpu(){
-  surf_callback_emit(cpuDestructedCallbacks, this);
+Cpu::Cpu(Model *model, const char *name,
+  lmm_constraint_t constraint, int core, double speedPeak, double speedScale)
+: Cpu(model, name, constraint, core, speedPeak, speedScale, SURF_RESOURCE_ON)
+{}
+
+Cpu::Cpu(Model *model, const char *name,
+  int core, double speedPeak, double speedScale)
+: Cpu(model, name, core, speedPeak, speedScale, SURF_RESOURCE_ON)
+{}
+
+Cpu::~Cpu()
+{
   if (p_constraintCoreId){
     for (int i = 0; i < m_core; i++) {
          xbt_free(p_constraintCoreId[i]);
@@ -179,15 +201,20 @@ Cpu::~Cpu(){
     xbt_free(p_constraintCoreId);
 }
 
+double Cpu::getCurrentPowerPeak()
+{
+  return m_speedPeak;
+}
+
 double Cpu::getSpeed(double load)
 {
-  return load * m_powerPeak;
+  return load * m_speedPeak;
 }
 
 double Cpu::getAvailableSpeed()
 {
 /* number between 0 and 1 */
-  return m_powerScale;
+  return m_speedScale;
 }
 
 int Cpu::getCore()
@@ -195,11 +222,14 @@ int Cpu::getCore()
   return m_core;
 }
 
-void Cpu::setState(e_surf_resource_state_t state)
+void Cpu::plug(simgrid::Host* host)
 {
-  Resource::setState(state);
-  surf_callback_emit(cpuStateChangedCallbacks, this);
+  if (this->m_host != nullptr)
+    xbt_die("Already plugged into host %s", host->getName().c_str());
+  host->extension_set(this);
+  this->m_host = host;
 }
+
 /**********
  * Action *
  **********/
@@ -218,33 +248,20 @@ 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<CpuPtr>(lmm_constraint_id(lmm_get_cnst_from_var(getModel()->getMaxminSystem(), getVariable(), 0)));
+      Cpu *cpu = static_cast<Cpu*>(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;
   m_lastValue = lmm_variable_getvalue(getVariable());
 }
 
-void CpuAction::setBound(double bound)
-{
-  XBT_IN("(%p,%g)", this, bound);
-  m_bound = bound;
-  lmm_update_variable_bound(getModel()->getMaxminSystem(), getVariable(), bound);
-
-  if (getModel()->getUpdateMechanism() == UM_LAZY)
-       heapRemove(getModel()->getActionHeap());
-  XBT_OUT();
-}
-
 /*
  *
  * This function formulates a constraint problem that pins a given task to
@@ -265,7 +282,7 @@ void CpuAction::setBound(double bound)
  * 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);
@@ -313,7 +330,13 @@ void CpuAction::setAffinity(CpuPtr cpu, unsigned long mask)
   XBT_OUT();
 }
 
+simgrid::surf::signal<void(simgrid::surf::CpuAction*, e_surf_action_state_t, e_surf_action_state_t)> CpuAction::onStateChange;
+
 void CpuAction::setState(e_surf_action_state_t state){
+  e_surf_action_state_t old = getState();
   Action::setState(state);
-  surf_callback_emit(cpuActionStateChangedCallbacks, this);
+  onStateChange(this, old, state);
+}
+
+}
 }