#include "src/instr/instr_private.h" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals
XBT_LOG_EXTERNAL_CATEGORY(surf_kernel);
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu, surf,
- "Logging specific to the SURF cpu module");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu, surf, "Logging specific to the SURF cpu module");
-int autoload_surf_cpu_model = 1;
void_f_void_t surf_cpu_model_init_preparse = NULL;
simgrid::surf::CpuModel *surf_cpu_model_pm;
* Callbacks *
*************/
-std::list<Cpu*> getActionCpus(CpuAction *action) {
- std::list<Cpu*> retlist;
- lmm_system_t sys = action->getModel()->getMaxminSystem();
- int llen = lmm_get_number_of_cnst_from_var(sys, action->getVariable());
-
- for(int i = 0; i<llen; i++) {
- retlist.push_back( (Cpu*)(lmm_constraint_id( lmm_get_cnst_from_var(sys, action->getVariable(), i) )) );
- }
- return retlist;
-}
-
simgrid::xbt::signal<void(CpuAction*, e_surf_action_state_t, e_surf_action_state_t)> cpuActionStateChangedCallbacks;
/*********
for(ActionList::iterator it(running_actions->begin()), itNext=it, itend(running_actions->end())
; it != itend ; it=itNext) {
- ++itNext;
+ ++itNext;
action = static_cast<CpuAction*>(&*it);
if (TRACE_is_enabled()) {
- Cpu *x = static_cast<Cpu*> (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(x->getName(),
+ TRACE_surf_host_set_utilization(cpu->getName(),
action->getCategory(),
lmm_variable_getvalue(action->getVariable()),
now - delta,
action->setState(SURF_ACTION_DONE);
}
}
-
- return;
}
/************
* Resource *
************/
-Cpu::Cpu(Model *model, simgrid::s4u::Host *host,
- xbt_dynar_t speedPerPstate, int core, double speedPeak)
- : Cpu(model, host, NULL/*constraint*/, speedPerPstate, core, speedPeak)
+Cpu::Cpu(Model *model, simgrid::s4u::Host *host, xbt_dynar_t speedPerPstate, int core)
+ : Cpu(model, host, NULL/*constraint*/, speedPerPstate, core)
{
}
Cpu::Cpu(Model *model, simgrid::s4u::Host *host, lmm_constraint_t constraint,
- xbt_dynar_t speedPerPstate, int core, double speedPeak)
+ xbt_dynar_t speedPerPstate, int core)
: Resource(model, host->name().c_str(), constraint)
, coresAmount_(core)
, host_(host)
{
- speed_.peak = speedPeak;
+ xbt_assert(core > 0, "Host %s must have at least one core, not 0.", host->name().c_str());
+
+ speed_.peak = xbt_dynar_get_as(speedPerPstate, 0/*pstate*/, double);
speed_.scale = 1;
host->pimpl_cpu = this;
- xbt_assert(speed_.scale > 0, "Available speed has to be >0");
+ xbt_assert(speed_.scale > 0, "Speed of host %s must be >0", host->name().c_str());
// Copy the power peak array:
speedPerPstate_ = xbt_dynar_new(sizeof(double), nullptr);
xbt_dynar_push(speedPerPstate_, &value);
}
- /* Currently, we assume that a VM does not have a multicore CPU. */
- if (core > 1)
- xbt_assert(model == surf_cpu_model_pm);
+ xbt_assert(model == surf_cpu_model_pm || core==1, "Currently, VM cannot be multicore");
if (model->getUpdateMechanism() != UM_UNDEFINED) {
- p_constraintCore = xbt_new(lmm_constraint_t, core);
- p_constraintCoreId = xbt_new(void*, core);
+ p_constraintCore = xbt_new(lmm_constraint_t, core);
+ p_constraintCoreId = xbt_new(void*, core);
- int i;
- for (i = 0; i < core; i++) {
+ for (int i = 0; i < core; i++) {
/* just for a unique id, never used as a string. */
p_constraintCoreId[i] = bprintf("%s:%i", host->name().c_str(), i);
p_constraintCore[i] = lmm_constraint_new(model->getMaxminSystem(), p_constraintCoreId[i], speed_.scale * speed_.peak);
Cpu::~Cpu()
{
if (p_constraintCoreId){
- for (int i = 0; i < coresAmount_; i++) {
- xbt_free(p_constraintCoreId[i]);
- }
+ for (int i = 0; i < coresAmount_; i++)
+ xbt_free(p_constraintCoreId[i]);
xbt_free(p_constraintCore);
}
- if (p_constraintCoreId)
- xbt_free(p_constraintCoreId);
- if (speedPerPstate_)
- xbt_dynar_free(&speedPerPstate_);
+ xbt_free(p_constraintCoreId);
+ xbt_dynar_free(&speedPerPstate_);
}
double Cpu::getCurrentPowerPeak()
}
void Cpu::onSpeedChange() {
- TRACE_surf_host_set_speed(surf_get_clock(), getName(),
- coresAmount_ * speed_.scale * speed_.peak);
+ TRACE_surf_host_set_speed(surf_get_clock(), getName(), coresAmount_ * speed_.scale * speed_.peak);
}
void CpuAction::updateRemainingLazy(double now)
{
- double delta = 0.0;
-
- xbt_assert(getStateSet() == getModel()->getRunningActionSet(),
- "You're updating an action that is not running.");
-
- /* bogus priority, skip it */
- xbt_assert(getPriority() > 0,
- "You're updating an action that seems suspended.");
+ xbt_assert(getStateSet() == getModel()->getRunningActionSet(), "You're updating an action that is not running.");
+ xbt_assert(getPriority() > 0, "You're updating an action that seems suspended.");
- delta = now - m_lastUpdate;
+ double delta = now - m_lastUpdate;
if (m_remains > 0) {
XBT_CDEBUG(surf_kernel, "Updating action(%p): remains was %f, last_update was: %f", this, m_remains, m_lastUpdate);
nbits += 1;
}
- if (nbits > 1) {
- XBT_CRITICAL("Do not specify multiple cores for an affinity mask.");
- XBT_CRITICAL("See the comment in cpu_action_set_affinity().");
- DIE_IMPOSSIBLE;
- }
+ xbt_assert(nbits <= 1, "Affinity mask cannot span over multiple cores.");
}
for (int i = 0; i < cpu->coresAmount_; i++) {
Action::setState(state);
onStateChange(this, previous);
}
+std::list<Cpu*> CpuAction::cpus() {
+ std::list<Cpu*> retlist;
+ lmm_system_t sys = getModel()->getMaxminSystem();
+ int llen = lmm_get_number_of_cnst_from_var(sys, getVariable());
+
+ for(int i = 0; i<llen; i++)
+ retlist.push_back( (Cpu*)(lmm_constraint_id( lmm_get_cnst_from_var(sys, getVariable(), i) )) );
+
+ return retlist;
+}
}
}
