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cosmetics around surf::Resouce::apply_event()
[simgrid.git] / src / surf / cpu_cas01.cpp
index 9f1a3a2..a3dec9a 100644 (file)
@@ -1,4 +1,4 @@
-/* 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
@@ -8,6 +8,7 @@
 #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");
@@ -17,25 +18,20 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_cas, surf_cpu,
  *********/
 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 {
@@ -63,19 +59,7 @@ CpuCas01Model::CpuCas01Model() : simgrid::surf::CpuModel()
 
   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);
@@ -99,157 +83,105 @@ CpuCas01Model::~CpuCas01Model()
   delete p_cpuRunningActionSetThatDoesNotNeedBeingChecked;
 }
 
-Cpu *CpuCas01Model::createCpu(const char *name, xbt_dynar_t speedPeak,
-                                 int pstate, double speedScale,
+Cpu *CpuCas01Model::createCpu(simgrid::s4u::Host *host, xbt_dynar_t speedPeak,
+                      int pstate, double speedScale,
                           tmgr_trace_t speedTrace, int core,
-                          e_surf_resource_state_t state_initial,
+                          int initiallyOn,
                           tmgr_trace_t state_trace)
 {
   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, name, speedPeak, pstate, speedScale, speedTrace, core, state_initial, state_trace);
+  Cpu *cpu = new CpuCas01(this, host, speedPeak, pstate, speedScale, speedTrace, core, initiallyOn, state_trace);
   return cpu;
 }
 
-double CpuCas01Model::shareResourcesFull(double /*now*/)
+double CpuCas01Model::next_occuring_event_full(double /*now*/)
 {
-  return Model::shareResourcesMaxMin(getRunningActionSet(),
-                             p_maxminSystem, lmm_solve);
-}
-
-void CpuCas01Model::addTraces()
-{
-  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(), p_maxminSystem, lmm_solve);
 }
 
 /************
  * Resource *
  ************/
-CpuCas01::CpuCas01(CpuCas01Model *model, const char *name, xbt_dynar_t speedPeak,
+CpuCas01::CpuCas01(CpuCas01Model *model, simgrid::s4u::Host *host, xbt_dynar_t speedPeak,
                          int pstate, double speedScale, tmgr_trace_t speedTrace, int core,
-                         e_surf_resource_state_t stateInitial, tmgr_trace_t stateTrace)
-: Cpu(model, name,
-         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);
-  }
+                         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) {
 
-  m_pstate = pstate;
-
-  XBT_DEBUG("CPU create: peak=%f, pstate=%d", m_speedPeak, m_pstate);
+  XBT_DEBUG("CPU create: peak=%f, pstate=%d", p_speed.peak, m_pstate);
 
   m_core = core;
   if (speedTrace)
-    p_speedEvent = tmgr_history_add_trace(history, speedTrace, 0.0, 0, this);
+    p_speed.event = future_evt_set->add_trace(speedTrace, 0.0, this);
 
   if (stateTrace)
-    p_stateEvent = tmgr_history_add_trace(history, stateTrace, 0.0, 0, this);
+    p_stateEvent = future_evt_set->add_trace(stateTrace, 0.0, this);
 }
 
 CpuCas01::~CpuCas01()
 {
-  this->die();
   if (getModel() == surf_cpu_model_pm)
     xbt_dynar_free(&p_speedPeakList);
 }
 
-void CpuCas01::setStateEvent(tmgr_trace_event_t stateEvent)
-{
-  p_stateEvent = stateEvent;
-}
-
-void CpuCas01::setPowerEvent(tmgr_trace_event_t powerEvent)
-{
-  p_speedEvent = powerEvent;
-}
-
 xbt_dynar_t CpuCas01::getSpeedPeakList(){
   return p_speedPeakList;
 }
 
-int CpuCas01::getPState()
-{
-  return m_pstate;
-}
-
 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);
+                                m_core * p_speed.scale * p_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);
+                                p_speed.scale * p_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] */
+
+  Cpu::onSpeedChange();
+}
+
+void CpuCas01::apply_event(tmgr_trace_iterator_t event, double value)
+{
+  if (event == p_speed.event) {
+    /* 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]");
+
+    p_speed.scale = value;
+    onSpeedChange();
+
+    tmgr_trace_event_unref(&p_speed.event);
+  } else if (event == 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]");
 
     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));
@@ -262,22 +194,19 @@ void CpuCas01::updateState(tmgr_trace_event_t event_type, double value, double d
         }
       }
     }
-    if (tmgr_trace_event_free(event_type))
-      p_stateEvent = NULL;
+    tmgr_trace_event_unref(&p_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(),
+      p_speed.scale * p_speed.peak, getConstraint());
 
   XBT_OUT();
   return action;
@@ -289,8 +218,8 @@ CpuAction *CpuCas01::sleep(double duration)
     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(),
+      p_speed.scale * p_speed.peak, getConstraint());
 
 
   // FIXME: sleep variables should not consume 1.0 in lmm_expand
@@ -299,13 +228,13 @@ CpuAction *CpuCas01::sleep(double duration)
   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
@@ -318,49 +247,15 @@ CpuAction *CpuCas01::sleep(double duration)
   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();