/* 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 <xbt/dynar.h>
#include "cpu_interface.hpp"
#include "plugins/energy.hpp"
namespace simgrid {
namespace surf {
-simgrid::xbt::Extension<simgrid::Host, Cpu> Cpu::EXTENSION_ID;
-
-void Cpu::init()
-{
- if (!EXTENSION_ID.valid())
- EXTENSION_ID = simgrid::Host::extension_create<simgrid::surf::Cpu>();
-}
-
/*************
* Callbacks *
*************/
action->getVariable(), 0)));
}
-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();
-}
+simgrid::xbt::signal<void(CpuAction*, e_surf_action_state_t, e_surf_action_state_t)> cpuActionStateChangedCallbacks;
/*********
* Model *
/************
* Resource *
************/
-Cpu::Cpu()
+Cpu::Cpu(Model *model, simgrid::s4u::Host *host,
+ xbt_dynar_t speedPeakList, int pstate,
+ int core, double speedPeak, double speedScale,
+ int initiallyOn)
+ : Cpu(model, host, NULL/*constraint*/, speedPeakList, pstate, core, speedPeak, speedScale, initiallyOn)
{
}
-
-Cpu::Cpu(Model *model, const char *name,
- int core, double speedPeak, double speedScale,
- e_surf_resource_state_t stateInitial)
- : Resource(model, name, stateInitial)
+Cpu::Cpu(Model *model, simgrid::s4u::Host *host, lmm_constraint_t constraint,
+ xbt_dynar_t speedPeakList, int pstate,
+ int core, double speedPeak,
+ double speedScale, int initiallyOn)
+ : Resource(model, host->name().c_str(), constraint, initiallyOn)
, m_core(core)
, m_speedPeak(speedPeak)
, m_speedScale(speedScale)
+ , m_host(host)
{
+ host->pimpl_cpu = this;
+ xbt_assert(m_speedScale > 0, "Available speed has to be >0");
+
+ // Copy the power peak array:
+ p_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(p_speedPeakList, &value);
+ }
-}
+ m_pstate = pstate;
-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_speedPeak(speedPeak)
- , m_speedScale(speedScale)
-{
- /* At now, we assume that a VM does not have a multicore CPU. */
+ /* Currently, we assume that a VM does not have a multicore CPU. */
if (core > 1)
xbt_assert(model == surf_cpu_model_pm);
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_constraintCoreId[i] = bprintf("%s:%i", host->name().c_str(), i);
p_constraintCore[i] = lmm_constraint_new(model->getMaxminSystem(), p_constraintCoreId[i], m_speedScale * m_speedPeak);
}
}
}
-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){
return m_speedPeak;
}
+int Cpu::getNbPStates()
+{
+ return xbt_dynar_length(p_speedPeakList);
+}
+
+void Cpu::setPState(int pstate_index)
+{
+ xbt_dynar_t plist = p_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);
+ m_pstate = pstate_index;
+ m_speedPeak = new_peak_speed;
+
+ onSpeedChange();
+}
+
+int Cpu::getPState()
+{
+ return m_pstate;
+}
+
+double Cpu::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);
+}
+
double Cpu::getSpeed(double load)
{
return load * m_speedPeak;
return m_speedScale;
}
+void Cpu::onSpeedChange() {
+ TRACE_surf_host_set_speed(surf_get_clock(), getName(),
+ m_core * m_speedScale * m_speedPeak);
+}
+
+
int Cpu::getCore()
{
return m_core;
}
-void Cpu::plug(simgrid::Host* host)
+void Cpu::set_state_trace(tmgr_trace_t trace)
{
- if (this->m_host != nullptr)
- xbt_die("Already plugged into host %s", host->id().c_str());
- host->extension_set(this);
- this->m_host = host;
+ xbt_assert(p_stateEvent==NULL,"Cannot set a second state trace to Host %s", m_host->name().c_str());
+
+ p_stateEvent = future_evt_set->add_trace(trace, 0.0, this);
}
+void Cpu::set_speed_trace(tmgr_trace_t trace)
+{
+ xbt_assert(p_speedEvent==NULL,"Cannot set a second speed trace to Host %s", m_host->name().c_str());
+
+ p_speedEvent = future_evt_set->add_trace(trace, 0.0, this);
+}
+
/**********
* Action *
XBT_OUT();
}
+simgrid::xbt::signal<void(simgrid::surf::CpuAction*, e_surf_action_state_t)> CpuAction::onStateChange;
+
void CpuAction::setState(e_surf_action_state_t state){
- e_surf_action_state_t old = getState();
+ e_surf_action_state_t previous = getState();
Action::setState(state);
- cpuActionStateChangedCallbacks(this, old, state);
+ onStateChange(this, previous);
}
}
