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no need for that include
[simgrid.git] / src / surf / cpu_cas01.cpp
index a55976b..81e46c7 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (c) 2009-2011, 2013. The SimGrid Team.
+/* Copyright (c) 2009-2011, 2013-2014. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -16,18 +16,10 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_cas, surf_cpu,
  * 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);
+  sg_platf_host_add_cb(cpu_parse_init);
+  sg_platf_postparse_add_cb(cpu_add_traces);
 }
 
 /*********
@@ -49,8 +41,8 @@ void surf_cpu_model_init_Cas01()
   surf_cpu_model_vm  = new CpuCas01Model();
 
   cpu_define_callbacks();
-  ModelPtr model_pm = static_cast<ModelPtr>(surf_cpu_model_pm);
-  ModelPtr model_vm = static_cast<ModelPtr>(surf_cpu_model_vm);
+  ModelPtr model_pm = surf_cpu_model_pm;
+  ModelPtr model_vm = surf_cpu_model_vm;
   xbt_dynar_push(model_list, &model_pm);
   xbt_dynar_push(model_list, &model_vm);
 }
@@ -113,20 +105,7 @@ CpuCas01Model::~CpuCas01Model()
   delete p_cpuRunningActionSetThatDoesNotNeedBeingChecked;
 }
 
-void CpuCas01Model::parseInit(sg_platf_host_cbarg_t host)
-{
-  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,
+CpuPtr CpuCas01Model::createCpu(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,
@@ -138,11 +117,11 @@ CpuPtr CpuCas01Model::createResource(const char *name, xbt_dynar_t power_peak,
              "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);
+      "Power 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, 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_lib_set(host_lib, name, SURF_CPU_LEVEL, cpu);
 
   return cpu;
 }
@@ -170,18 +149,17 @@ void CpuCas01Model::addTraces()
     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(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);
-    CpuCas01Ptr host = dynamic_cast<CpuCas01Ptr>(static_cast<ResourcePtr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm))));
+    CpuCas01Ptr host = static_cast<CpuCas01Ptr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm)));
 
     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(tmgr_history_add_trace(history, trace, 0.0, 0, host));
   }
 }
 
@@ -199,30 +177,39 @@ CpuCas01::CpuCas01(CpuCas01ModelPtr model, const char *name, xbt_dynar_t powerPe
   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);
 
   m_core = core;
-  m_stateCurrent = stateInitial;
+  setState(stateInitial);
   if (powerTrace)
-    p_powerEvent = tmgr_history_add_trace(history, powerTrace, 0.0, 0, static_cast<ResourcePtr>(this));
+    p_powerEvent = tmgr_history_add_trace(history, powerTrace, 0.0, 0, this);
 
   if (stateTrace)
-    p_stateEvent = tmgr_history_add_trace(history, stateTrace, 0.0, 0, static_cast<ResourcePtr>(this));
+    p_stateEvent = tmgr_history_add_trace(history, stateTrace, 0.0, 0, this);
 }
 
 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);
+  if (getModel() == surf_cpu_model_pm)
+    xbt_dynar_free(&p_powerPeakList);
+}
+
+void CpuCas01::setStateEvent(tmgr_trace_event_t stateEvent)
+{
+  p_stateEvent = stateEvent;
+}
+
+void CpuCas01::setPowerEvent(tmgr_trace_event_t powerEvent)
+{
+  p_powerEvent = powerEvent;
+}
+
+xbt_dynar_t CpuCas01::getPowerPeakList(){
+  return p_powerPeakList;
+}
+
+int CpuCas01::getPState()
+{
+  return m_pstate;
 }
 
 bool CpuCas01::isUsed()
@@ -240,7 +227,7 @@ void CpuCas01::updateState(tmgr_trace_event_t event_type, double value, double d
        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(),
+    lmm_update_constraint_bound(getModel()->getMaxminSystem(), getConstraint(),
                                 m_core * m_powerScale *
                                 m_powerPeak);
 #ifdef HAVE_TRACING
@@ -249,10 +236,10 @@ void CpuCas01::updateState(tmgr_trace_event_t event_type, double value, double d
                               m_powerPeak);
 #endif
     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))) {
+      CpuCas01ActionPtr action = static_cast<CpuCas01ActionPtr>(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);
     }
@@ -263,15 +250,15 @@ void CpuCas01::updateState(tmgr_trace_event_t event_type, double value, double d
     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(getState() == SURF_RESOURCE_OFF)
         xbt_dynar_push_as(host_that_restart, char*, (char *)getName());
-      m_stateCurrent = SURF_RESOURCE_ON;
+      setState(SURF_RESOURCE_ON);
     } else {
       lmm_constraint_t cnst = getConstraint();
 
-      m_stateCurrent = SURF_RESOURCE_OFF;
+      setState(SURF_RESOURCE_OFF);
 
-      while ((var = lmm_get_var_from_cnst(surf_cpu_model_pm->getMaxminSystem(), cnst, &elem))) {
+      while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), cnst, &elem))) {
         ActionPtr action = static_cast<ActionPtr>(lmm_variable_id(var));
 
         if (action->getState() == SURF_ACTION_RUNNING ||
@@ -296,7 +283,7 @@ CpuActionPtr CpuCas01::execute(double size)
 {
 
   XBT_IN("(%s,%g)", getName(), size);
-  CpuCas01ActionPtr action = new CpuCas01Action(surf_cpu_model_pm, size, m_stateCurrent != SURF_RESOURCE_ON,
+  CpuCas01ActionPtr action = new CpuCas01Action(getModel(), size, getState() != SURF_RESOURCE_ON,
                                                              m_powerScale * m_powerPeak, getConstraint());
 
   XBT_OUT();
@@ -306,10 +293,10 @@ CpuActionPtr CpuCas01::execute(double size)
 CpuActionPtr 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,
+  CpuCas01ActionPtr action = new CpuCas01Action(getModel(), 1.0, getState() != SURF_RESOURCE_ON,
                                                       m_powerScale * m_powerPeak, getConstraint());
 
 
@@ -324,119 +311,20 @@ CpuActionPtr CpuCas01::sleep(double duration)
     action->getStateSet()->push_back(*action);
   }
 
-  lmm_update_variable_weight(surf_cpu_model_pm->getMaxminSystem(),
+  lmm_update_variable_weight(getModel()->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());
+  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(&current_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;
@@ -465,23 +353,16 @@ void CpuCas01::setPowerPeakAt(int 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)
  : CpuAction(model, cost, failed,
-                    lmm_variable_new(model->getMaxminSystem(), static_cast<ActionPtr>(this),
+                    lmm_variable_new(model->getMaxminSystem(), this,
                     1.0, power, 1))
 {
-  m_suspended = 0;     /* Should be useless because of the
-                                                          calloc but it seems to help valgrind... */
-
+  m_suspended = 0;
   if (model->getUpdateMechanism() == UM_LAZY) {
     m_indexHeap = -1;
     m_lastUpdate = surf_get_clock();
@@ -489,20 +370,3 @@ CpuCas01Action::CpuCas01Action(ModelPtr model, double cost, bool failed, double
   }
   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);
-  }
-}