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inline a static function called only once
[simgrid.git] / src / surf / cpu_cas01.cpp
index f1e3be1..564d49b 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (c) 2009-2011. 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
@@ -6,35 +6,11 @@
 
 #include "cpu_cas01.hpp"
 #include "cpu_ti.hpp"
-#include "surf.hpp"
-#include "maxmin_private.h"
+#include "maxmin_private.hpp"
 #include "simgrid/sg_config.h"
 
-extern "C" {
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_cas, surf,
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_cas, surf_cpu,
                                 "Logging specific to the SURF CPU IMPROVED module");
-}
-
-static xbt_swag_t
-    cpu_running_action_set_that_does_not_need_being_checked = NULL;
-
-/*************
- * CallBacks *
- *************/
-
-static void parse_cpu_init(sg_platf_host_cbarg_t host){
-  ((CpuCas01ModelPtr)surf_cpu_model)->parseInit(host);
-}
-
-static void cpu_add_traces_cpu(){
-  surf_cpu_model->addTraces();
-}
-
-static void cpu_define_callbacks()
-{
-  sg_platf_host_add_cb(parse_cpu_init);
-  sg_platf_postparse_add_cb(cpu_add_traces_cpu);
-}
 
 /*********
  * Model *
@@ -43,25 +19,28 @@ void surf_cpu_model_init_Cas01()
 {
   char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
 
-  if (surf_cpu_model)
-    return;
+  xbt_assert(!surf_cpu_model_pm);
+  xbt_assert(!surf_cpu_model_vm);
 
   if (!strcmp(optim, "TI")) {
-    surf_cpu_model = new CpuTiModel();
+    surf_cpu_model_init_ti();
     return;
   }
 
-  surf_cpu_model = new CpuCas01Model();
-  cpu_define_callbacks();
-  ModelPtr model = static_cast<ModelPtr>(surf_cpu_model);
-  xbt_dynar_push(model_list, &model);
+  surf_cpu_model_pm = new CpuCas01Model();
+  surf_cpu_model_vm  = new CpuCas01Model();
+
+  sg_platf_host_add_cb(cpu_parse_init);
+  sg_platf_postparse_add_cb(cpu_add_traces);
+
+  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);
 }
 
 CpuCas01Model::CpuCas01Model() : CpuModel("cpu")
 {
-  ActionPtr action;
-  ActionLmmPtr actionlmm;
-
   char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
   int select = xbt_cfg_get_boolean(_sg_cfg_set, "cpu/maxmin_selective_update");
 
@@ -80,14 +59,13 @@ CpuCas01Model::CpuCas01Model() : CpuModel("cpu")
     xbt_die("Unsupported optimization (%s) for this model", optim);
   }
 
-  cpu_running_action_set_that_does_not_need_being_checked =
-      xbt_swag_new(xbt_swag_offset(*action, p_stateHookup));
+  p_cpuRunningActionSetThatDoesNotNeedBeingChecked = new ActionList();
 
-  if (p_updateMechanism == UM_LAZY) {
+  if (getUpdateMechanism() == UM_LAZY) {
        shareResources = &CpuCas01Model::shareResourcesLazy;
        updateActionsState = &CpuCas01Model::updateActionsStateLazy;
 
-  } else if (p_updateMechanism == UM_FULL) {
+  } else if (getUpdateMechanism() == UM_FULL) {
        shareResources = &CpuCas01Model::shareResourcesFull;
        updateActionsState = &CpuCas01Model::updateActionsStateFull;
   } else
@@ -97,10 +75,10 @@ CpuCas01Model::CpuCas01Model() : CpuModel("cpu")
     p_maxminSystem = lmm_system_new(m_selectiveUpdate);
   }
 
-  if (p_updateMechanism == UM_LAZY) {
+  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 = xbt_swag_new(xbt_swag_offset(*actionlmm, p_actionListHookup));
+    p_modifiedSet = new ActionLmmList();
     p_maxminSystem->keep_track = p_modifiedSet;
   }
 }
@@ -112,51 +90,39 @@ CpuCas01Model::~CpuCas01Model()
 
   if (p_actionHeap)
     xbt_heap_free(p_actionHeap);
-  xbt_swag_free(p_modifiedSet);
+  delete p_modifiedSet;
 
-  surf_cpu_model = NULL;
+  surf_cpu_model_pm = NULL;
 
-  xbt_swag_free(cpu_running_action_set_that_does_not_need_being_checked);
-  cpu_running_action_set_that_does_not_need_being_checked = NULL;
+  delete p_cpuRunningActionSetThatDoesNotNeedBeingChecked;
 }
 
-void CpuCas01Model::parseInit(sg_platf_host_cbarg_t host)
-{
-  createResource(host->id,
-        host->power_peak,
-        host->power_scale,
-        host->power_trace,
-        host->core_amount,
-        host->initial_state,
-        host->state_trace,
-        host->properties);
-}
-CpuCas01LmmPtr CpuCas01Model::createResource(const char *name, double power_peak, double power_scale,
+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,
                           tmgr_trace_t state_trace,
                           xbt_dict_t cpu_properties)
 {
   CpuPtr cpu = NULL;
-  xbt_assert(!surf_cpu_resource_priv(surf_cpu_resource_by_name(name)),
+  sg_host_t host = sg_host_by_name(name);
+  xbt_assert(!sg_host_surfcpu(host),
              "Host '%s' declared several times in the platform file",
              name);
-  xbt_assert(power_peak > 0, "Power has to be >0");
-  xbt_assert(core > 0, "Invalid number of cores %d", core);
+  xbt_assert(xbt_dynar_getfirst_as(power_peak, double) > 0.0,
+      "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 CpuCas01Lmm(this, name, power_peak, power_scale, power_trace, core, state_initial, state_trace, cpu_properties);
-  xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, static_cast<ResourcePtr>(cpu));
+  cpu = new CpuCas01(this, name, power_peak, pstate, power_scale, power_trace, core, state_initial, state_trace, cpu_properties);
+  sg_host_surfcpu_set(host, cpu);
 
-  return (CpuCas01LmmPtr) xbt_lib_get_elm_or_null(host_lib, name);
+  return cpu;
 }
 
-double CpuCas01Model::shareResourcesFull(double now)
+double CpuCas01Model::shareResourcesFull(double /*now*/)
 {
-  CpuCas01ActionLmm action;
-  Model::shareResourcesMaxMin(p_runningActionSet, 
-                            xbt_swag_offset(action, p_variable),
+  return Model::shareResourcesMaxMin(getRunningActionSet(),
                              p_maxminSystem, lmm_solve);
-  return 0;
 }
 
 void CpuCas01Model::addTraces()
@@ -171,95 +137,125 @@ void CpuCas01Model::addTraces()
   /* 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);
-    CpuCas01LmmPtr host = (CpuCas01LmmPtr) surf_cpu_resource_priv(surf_cpu_resource_by_name(elm));
+    CpuCas01Ptr host = static_cast<CpuCas01Ptr>(sg_host_surfcpu(sg_host_by_name(elm)));
 
     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, (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);
-    CpuCas01LmmPtr host = (CpuCas01LmmPtr) surf_cpu_resource_priv(surf_cpu_resource_by_name(elm));
+    CpuCas01Ptr host = static_cast<CpuCas01Ptr>(sg_host_surfcpu(sg_host_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, (ResourcePtr) host);
+    host->setPowerEvent(tmgr_history_add_trace(history, trace, 0.0, 0, host));
   }
 }
 
 /************
  * Resource *
  ************/
-CpuCas01Lmm::CpuCas01Lmm(CpuCas01ModelPtr model, const char *name, double powerPeak,
-        double powerScale, tmgr_trace_t powerTrace, int core,
-        e_surf_resource_state_t stateInitial, tmgr_trace_t stateTrace,
-       xbt_dict_t properties) :
-       CpuLmm(model, name, properties), Resource(model, name, properties) {
-  m_powerPeak = powerPeak;
-  m_powerScale = powerScale;
+CpuCas01::CpuCas01(CpuCas01ModelPtr model, const char *name, xbt_dynar_t powerPeak,
+                         int pstate, double powerScale, tmgr_trace_t powerTrace, 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 * powerScale * xbt_dynar_get_as(powerPeak, pstate, double)),
+         core, xbt_dynar_get_as(powerPeak, pstate, double), powerScale) {
+  p_powerEvent = NULL;
+  p_powerPeakList = powerPeak;
+  m_pstate = pstate;
+
+  XBT_DEBUG("CPU create: peak=%f, pstate=%d", m_powerPeak, m_pstate);
+
   m_core = core;
-  p_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(){
+  if (getModel() == surf_cpu_model_pm)
+    xbt_dynar_free(&p_powerPeakList);
+}
+
+void CpuCas01::setStateEvent(tmgr_trace_event_t stateEvent)
+{
+  p_stateEvent = stateEvent;
+}
 
-  p_constraint = lmm_constraint_new(p_model->p_maxminSystem, this, m_core * m_powerScale * m_powerPeak);
+void CpuCas01::setPowerEvent(tmgr_trace_event_t powerEvent)
+{
+  p_powerEvent = powerEvent;
 }
 
-bool CpuCas01Lmm::isUsed()
+xbt_dynar_t CpuCas01::getPowerPeakList(){
+  return p_powerPeakList;
+}
+
+int CpuCas01::getPState()
 {
-  return lmm_constraint_used(p_model->p_maxminSystem, p_constraint);
+  return m_pstate;
 }
 
-void CpuCas01Lmm::updateState(tmgr_trace_event_t event_type, double value, double date)
+bool CpuCas01::isUsed()
+{
+  return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
+}
+
+void CpuCas01::updateState(tmgr_trace_event_t event_type, double value, double date)
 {
   lmm_variable_t var = NULL;
   lmm_element_t elem = NULL;
 
-  surf_watched_hosts();
-
   if (event_type == p_powerEvent) {
+       /* TODO (Hypervisor): do the same thing for constraint_core[i] */
+       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->p_maxminSystem, p_constraint,
+    lmm_update_constraint_bound(getModel()->getMaxminSystem(), getConstraint(),
                                 m_core * m_powerScale *
                                 m_powerPeak);
-#ifdef HAVE_TRACING
-    TRACE_surf_host_set_power(date, m_name,
+    TRACE_surf_host_set_power(date, getName(),
                               m_core * m_powerScale *
                               m_powerPeak);
-#endif
     while ((var = lmm_get_var_from_cnst
-            (surf_cpu_model->p_maxminSystem, p_constraint, &elem))) {
-      CpuCas01ActionLmmPtr action = static_cast<CpuCas01ActionLmmPtr>(static_cast<ActionLmmPtr>(lmm_variable_id(var)));
+            (getModel()->getMaxminSystem(), getConstraint(), &elem))) {
+      CpuCas01ActionPtr action = static_cast<CpuCas01ActionPtr>(lmm_variable_id(var));
 
-      lmm_update_variable_bound(surf_cpu_model->p_maxminSystem,
-                                action->p_variable,
+      lmm_update_variable_bound(getModel()->getMaxminSystem(),
+                                action->getVariable(),
                                 m_powerScale * m_powerPeak);
     }
     if (tmgr_trace_event_free(event_type))
       p_powerEvent = NULL;
   } else if (event_type == p_stateEvent) {
-    if (value > 0)
-      p_stateCurrent = SURF_RESOURCE_ON;
-    else {
-      lmm_constraint_t cnst = p_constraint;
+       /* 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)
+        xbt_dynar_push_as(host_that_restart, char*, (char *)getName());
+      setState(SURF_RESOURCE_ON);
+    } else {
+      lmm_constraint_t cnst = getConstraint();
 
-      p_stateCurrent = SURF_RESOURCE_OFF;
+      setState(SURF_RESOURCE_OFF);
 
-      while ((var = lmm_get_var_from_cnst(surf_cpu_model->p_maxminSystem, cnst, &elem))) {
-        ActionLmmPtr action = static_cast<ActionLmmPtr>(lmm_variable_id(var));
+      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 ||
             action->getState() == SURF_ACTION_READY ||
             action->getState() == SURF_ACTION_NOT_IN_THE_SYSTEM) {
-          action->m_finish = date;
+          action->setFinishTime(date);
           action->setState(SURF_ACTION_FAILED);
         }
       }
@@ -274,37 +270,26 @@ void CpuCas01Lmm::updateState(tmgr_trace_event_t event_type, double value, doubl
   return;
 }
 
-ActionPtr CpuCas01Lmm::execute(double size)
+CpuActionPtr CpuCas01::execute(double size)
 {
 
-  XBT_IN("(%s,%g)", m_name, size);
-  CpuCas01ActionLmmPtr action = new CpuCas01ActionLmm(surf_cpu_model, size, p_stateCurrent != SURF_RESOURCE_ON);
+  XBT_IN("(%s,%g)", getName(), size);
+  CpuCas01ActionPtr action = new CpuCas01Action(getModel(), size, getState() != SURF_RESOURCE_ON,
+                                                             m_powerScale * m_powerPeak, getConstraint());
 
-  action->m_suspended = 0;     /* Should be useless because of the
-                                                   calloc but it seems to help valgrind... */
-
-  action->p_variable =
-      lmm_variable_new(surf_cpu_model->p_maxminSystem, static_cast<ActionLmmPtr>(action),
-                       action->m_priority,
-                       m_powerScale * m_powerPeak, 1);
-  if (surf_cpu_model->p_updateMechanism == UM_LAZY) {
-    action->m_indexHeap = -1;
-    action->m_lastUpdate = surf_get_clock();
-    action->m_lastValue = 0.0;
-  }
-  lmm_expand(surf_cpu_model->p_maxminSystem, p_constraint,
-             action->p_variable, 1.0);
   XBT_OUT();
   return action;
 }
 
-ActionPtr CpuCas01Lmm::sleep(double duration)
+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(getModel(), 1.0, getState() != SURF_RESOURCE_ON,
+                                                      m_powerScale * m_powerPeak, getConstraint());
 
-  XBT_IN("(%s,%g)", m_name, duration);
-  CpuCas01ActionLmmPtr action = dynamic_cast<CpuCas01ActionLmmPtr>(execute(1.0));
 
   // FIXME: sleep variables should not consume 1.0 in lmm_expand
   action->m_maxDuration = duration;
@@ -312,28 +297,72 @@ ActionPtr CpuCas01Lmm::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  */
-    xbt_swag_remove(static_cast<ActionPtr>(action), action->p_stateSet);
-    action->p_stateSet = cpu_running_action_set_that_does_not_need_being_checked;
-    xbt_swag_insert(static_cast<ActionPtr>(action), action->p_stateSet);
+       action->getStateSet()->erase(action->getStateSet()->iterator_to(*action));
+    action->p_stateSet = static_cast<CpuCas01ModelPtr>(getModel())->p_cpuRunningActionSetThatDoesNotNeedBeingChecked;
+    action->getStateSet()->push_back(*action);
   }
 
-  lmm_update_variable_weight(surf_cpu_model->p_maxminSystem,
-                             action->p_variable, 0.0);
-  if (surf_cpu_model->p_updateMechanism == UM_LAZY) {     // remove action from the heap
-    action->heapRemove(surf_cpu_model->p_actionHeap);
+  lmm_update_variable_weight(getModel()->getMaxminSystem(),
+                             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
     // variables are ignored in lmm and we need to set its max_duration
     // correctly at the next call to share_resources
-    xbt_swag_insert_at_head(static_cast<ActionLmmPtr>(action), surf_cpu_model->p_modifiedSet);
+    getModel()->getModifiedSet()->push_front(*action);
   }
 
   XBT_OUT();
   return action;
 }
 
+double CpuCas01::getCurrentPowerPeak()
+{
+  return m_powerPeak;
+}
+
+double CpuCas01::getPowerPeakAt(int pstate_index)
+{
+  xbt_dynar_t plist = p_powerPeakList;
+  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_powerPeakList);
+}
+
+void CpuCas01::setPstate(int pstate_index)
+{
+  xbt_dynar_t plist = p_powerPeakList;
+  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_powerPeak = new_pstate;
+}
+
+int CpuCas01::getPstate()
+{
+  return m_pstate;
+}
 
 /**********
  * Action *
  **********/
 
-
+CpuCas01Action::CpuCas01Action(ModelPtr model, double cost, bool failed, double power, lmm_constraint_t constraint)
+ : CpuAction(model, cost, failed,
+                    lmm_variable_new(model->getMaxminSystem(), this,
+                    1.0, power, 1))
+{
+  m_suspended = 0;
+  if (model->getUpdateMechanism() == UM_LAZY) {
+    m_indexHeap = -1;
+    m_lastUpdate = surf_get_clock();
+    m_lastValue = 0.0;
+  }
+  lmm_expand(model->getMaxminSystem(), constraint, getVariable(), 1.0);
+}