+/* Copyright (c) 2013-2014. The SimGrid Team.
+ * All rights reserved. */
+
+/* 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 "cpu_ti.hpp"
-#include "solver.hpp"
+#include "trace_mgr_private.h"
+#include "xbt/heap.h"
#ifndef SURF_MODEL_CPUTI_H_
#define SURF_MODEL_CPUTI_H_
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_tii, surf,
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_ti, surf_cpu,
"Logging specific to the SURF CPU TRACE INTEGRATION module");
-static std::vector<CpuTiActionPtr>
- cpu_ti_running_action_set_that_does_not_need_being_checked;
-static std::vector<CpuTiPtr> cpu_ti_modified_cpu;
-static std::vector<CpuTiActionPtr> cpu_ti_action_heap;
+static void cpu_ti_action_update_index_heap(void *action, int i);
/*********
* Trace *
*********/
-static double surf_cpu_ti_integrate_trace(surf_cpu_ti_tgmr_t trace,
- double a, double b);
-
-
-static double surf_cpu_ti_solve_trace(surf_cpu_ti_tgmr_t trace, double a,
- double amount);
-static double surf_cpu_ti_solve_trace_somewhat_simple(surf_cpu_ti_tgmr_t
- trace, double a,
- double amount);
-
-static void surf_cpu_ti_free_tmgr(surf_cpu_ti_tgmr_t trace);
-static double surf_cpu_ti_integrate_trace_simple(surf_cpu_ti_trace_t trace,
- double a, double b);
-static double surf_cpu_ti_integrate_trace_simple_point(surf_cpu_ti_trace_t
- trace, double a);
-static double surf_cpu_ti_solve_trace_simple(surf_cpu_ti_trace_t trace,
- double a, double amount);
-static int surf_cpu_ti_binary_search(double *array, double a, int low,
- int high);
-
-static void surf_cpu_ti_free_trace(surf_cpu_ti_trace_t trace)
+CpuTiTrace::CpuTiTrace(tmgr_trace_t power_trace)
{
- xbt_free(trace->time_points);
- xbt_free(trace->integral);
- xbt_free(trace);
-}
-
-static void surf_cpu_ti_free_tmgr(surf_cpu_ti_tgmr_t trace)
-{
- if (trace->trace)
- surf_cpu_ti_free_trace(trace->trace);
- xbt_free(trace);
-}
-
-static surf_cpu_ti_trace_t surf_cpu_ti_trace_new(tmgr_trace_t power_trace)
-{
- surf_cpu_ti_trace_t trace;
s_tmgr_event_t val;
unsigned int cpt;
double integral = 0;
double time = 0;
int i = 0;
- trace = xbt_new0(s_surf_cpu_ti_trace_t, 1);
- trace->time_points = (double*) xbt_malloc0(sizeof(double) *
+ p_timePoints = (double*) xbt_malloc0(sizeof(double) *
(xbt_dynar_length(power_trace->s_list.event_list) + 1));
- trace->integral = (double*) xbt_malloc0(sizeof(double) *
+ p_integral = (double*) xbt_malloc0(sizeof(double) *
(xbt_dynar_length(power_trace->s_list.event_list) + 1));
- trace->nb_points = xbt_dynar_length(power_trace->s_list.event_list);
+ m_nbPoints = xbt_dynar_length(power_trace->s_list.event_list) + 1;
xbt_dynar_foreach(power_trace->s_list.event_list, cpt, val) {
- trace->time_points[i] = time;
- trace->integral[i] = integral;
+ p_timePoints[i] = time;
+ p_integral[i] = integral;
integral += val.delta * val.value;
time += val.delta;
i++;
}
- trace->time_points[i] = time;
- trace->integral[i] = integral;
- return trace;
+ p_timePoints[i] = time;
+ p_integral[i] = integral;
+}
+
+CpuTiTrace::~CpuTiTrace()
+{
+ xbt_free(p_timePoints);
+ xbt_free(p_integral);
+}
+
+CpuTiTgmr::~CpuTiTgmr()
+{
+ if (p_trace)
+ delete p_trace;
}
/**
* \param b End of interval
* \return the integrate value. -1 if an error occurs.
*/
-static double surf_cpu_ti_integrate_trace(surf_cpu_ti_tgmr_t trace,
- double a, double b)
+double CpuTiTgmr::integrate(double a, double b)
{
double first_chunk;
double middle_chunk;
if (a == b)
return 0.0;
- if (trace->type == TRACE_FIXED) {
- return ((b - a) * trace->value);
+ if (m_type == TRACE_FIXED) {
+ return ((b - a) * m_value);
}
- if (ceil(a / trace->last_time) == a / trace->last_time)
- a_index = 1 + (int) (ceil(a / trace->last_time));
+ if (ceil(a / m_lastTime) == a / m_lastTime)
+ a_index = 1 + (int) (ceil(a / m_lastTime));
else
- a_index = (int) (ceil(a / trace->last_time));
+ a_index = (int) (ceil(a / m_lastTime));
- b_index = (int) (floor(b / trace->last_time));
+ b_index = (int) (floor(b / m_lastTime));
if (a_index > b_index) { /* Same chunk */
- return surf_cpu_ti_integrate_trace_simple(trace->trace,
- a - (a_index -
- 1) * trace->last_time,
- b -
- (b_index) *
- trace->last_time);
+ return p_trace->integrateSimple(a - (a_index -
+ 1) * m_lastTime,
+ b -
+ (b_index) *
+ m_lastTime);
}
- first_chunk = surf_cpu_ti_integrate_trace_simple(trace->trace,
- a - (a_index -
- 1) *
- trace->last_time,
- trace->last_time);
- middle_chunk = (b_index - a_index) * trace->total;
- last_chunk = surf_cpu_ti_integrate_trace_simple(trace->trace,
- 0.0,
- b -
- (b_index) *
- trace->last_time);
+ first_chunk = p_trace->integrateSimple(a - (a_index -
+ 1) *
+ m_lastTime,
+ m_lastTime);
+ middle_chunk = (b_index - a_index) * m_total;
+ last_chunk = p_trace->integrateSimple(0.0,
+ b -
+ (b_index) *
+ m_lastTime);
XBT_DEBUG("first_chunk=%.2f middle_chunk=%.2f last_chunk=%.2f\n",
first_chunk, middle_chunk, last_chunk);
/**
* \brief Auxiliary function to calculate the integral between a and b.
- * It simply calculates the integral at point a and b and returns the difference
+ * It simply calculates the integral at point a and b and returns the difference
* between them.
* \param trace Trace structure
* \param a Initial point
* \param b Final point
* \return Integral
*/
-static double surf_cpu_ti_integrate_trace_simple(surf_cpu_ti_trace_t trace,
- double a, double b)
+double CpuTiTrace::integrateSimple(double a, double b)
{
- return surf_cpu_ti_integrate_trace_simple_point(trace,
- b) -
- surf_cpu_ti_integrate_trace_simple_point(trace, a);
+ return integrateSimplePoint(b) - integrateSimplePoint(a);
}
/**
* \param a point
* \return Integral
*/
-static double surf_cpu_ti_integrate_trace_simple_point(surf_cpu_ti_trace_t
- trace, double a)
+double CpuTiTrace::integrateSimplePoint(double a)
{
double integral = 0;
int ind;
double a_aux = a;
- ind =
- surf_cpu_ti_binary_search(trace->time_points, a, 0,
- trace->nb_points - 1);
- integral += trace->integral[ind];
+ ind = binarySearch(p_timePoints, a, 0, m_nbPoints - 1);
+ integral += p_integral[ind];
XBT_DEBUG
- ("a %lf ind %d integral %lf ind + 1 %lf ind %lf time +1 %lf time %lf",
- a, ind, integral, trace->integral[ind + 1], trace->integral[ind],
- trace->time_points[ind + 1], trace->time_points[ind]);
- double_update(&a_aux, trace->time_points[ind]);
+ ("a %f ind %d integral %f ind + 1 %f ind %f time +1 %f time %f",
+ a, ind, integral, p_integral[ind + 1], p_integral[ind],
+ p_timePoints[ind + 1], p_timePoints[ind]);
+ double_update(&a_aux, p_timePoints[ind], sg_maxmin_precision*sg_surf_precision);
if (a_aux > 0)
integral +=
- ((trace->integral[ind + 1] -
- trace->integral[ind]) / (trace->time_points[ind + 1] -
- trace->time_points[ind])) * (a -
- trace->
- time_points
- [ind]);
- XBT_DEBUG("Integral a %lf = %lf", a, integral);
+ ((p_integral[ind + 1] -
+ p_integral[ind]) / (p_timePoints[ind + 1] -
+ p_timePoints[ind])) * (a - p_timePoints[ind]);
+ XBT_DEBUG("Integral a %f = %f", a, integral);
return integral;
}
* \param amount Amount to be executed
* \return End time
*/
-static double surf_cpu_ti_solve_trace(surf_cpu_ti_tgmr_t trace, double a,
- double amount)
+double CpuTiTgmr::solve(double a, double amount)
{
int quotient;
double reduced_b;
return a;
/* Is the trace fixed ? */
- if (trace->type == TRACE_FIXED) {
- return (a + (amount / trace->value));
+ if (m_type == TRACE_FIXED) {
+ return (a + (amount / m_value));
}
- XBT_DEBUG("amount %lf total %lf", amount, trace->total);
+ XBT_DEBUG("amount %f total %f", amount, m_total);
/* Reduce the problem to one where amount <= trace_total */
- quotient = (int) (floor(amount / trace->total));
- reduced_amount = (trace->total) * ((amount / trace->total) -
- floor(amount / trace->total));
- reduced_a = a - (trace->last_time) * (int) (floor(a / trace->last_time));
+ quotient = (int) (floor(amount / m_total));
+ reduced_amount = (m_total) * ((amount / m_total) -
+ floor(amount / m_total));
+ reduced_a = a - (m_lastTime) * (int) (floor(a / m_lastTime));
- XBT_DEBUG("Quotient: %d reduced_amount: %lf reduced_a: %lf", quotient,
+ XBT_DEBUG("Quotient: %d reduced_amount: %f reduced_a: %f", quotient,
reduced_amount, reduced_a);
/* Now solve for new_amount which is <= trace_total */
fprintf(stderr,"reduced_a = %.2f\n",reduced_a);
fprintf(stderr,"reduced_amount = %.2f\n",reduced_amount);
*/
- reduced_b =
- surf_cpu_ti_solve_trace_somewhat_simple(trace, reduced_a,
- reduced_amount);
+ reduced_b = solveSomewhatSimple(reduced_a, reduced_amount);
/* Re-map to the original b and amount */
- b = (trace->last_time) * (int) (floor(a / trace->last_time)) +
- (quotient * trace->last_time) + reduced_b;
+ b = (m_lastTime) * (int) (floor(a / m_lastTime)) +
+ (quotient * m_lastTime) + reduced_b;
return b;
}
* and a <=trace->last_time
*
*/
-static double surf_cpu_ti_solve_trace_somewhat_simple(surf_cpu_ti_tgmr_t
- trace, double a,
- double amount)
+double CpuTiTgmr::solveSomewhatSimple(double a, double amount)
{
double amount_till_end;
double b;
XBT_DEBUG("Solve integral: [%.2f, amount=%.2f]", a, amount);
- amount_till_end =
- surf_cpu_ti_integrate_trace(trace, a, trace->last_time);
+ amount_till_end = integrate(a, m_lastTime);
/*
fprintf(stderr,"amount_till_end=%.2f\n",amount_till_end);
*/
if (amount_till_end > amount) {
- b = surf_cpu_ti_solve_trace_simple(trace->trace, a, amount);
+ b = p_trace->solveSimple(a, amount);
} else {
- b = trace->last_time +
- surf_cpu_ti_solve_trace_simple(trace->trace, 0.0,
- amount - amount_till_end);
+ b = m_lastTime + p_trace->solveSimple(0.0, amount - amount_till_end);
}
return b;
}
* It returns the date when the requested amount of flops is available
* \param trace Trace structure
* \param a Initial point
- * \param amount Amount of flops
+ * \param amount Amount of flops
* \return The date when amount is available.
*/
-static double surf_cpu_ti_solve_trace_simple(surf_cpu_ti_trace_t trace,
- double a, double amount)
+double CpuTiTrace::solveSimple(double a, double amount)
{
double integral_a;
int ind;
double time;
- integral_a = surf_cpu_ti_integrate_trace_simple_point(trace, a);
- ind =
- surf_cpu_ti_binary_search(trace->integral, integral_a + amount, 0,
- trace->nb_points - 1);
- time = trace->time_points[ind];
+ integral_a = integrateSimplePoint(a);
+ ind = binarySearch(p_integral, integral_a + amount, 0, m_nbPoints - 1);
+ time = p_timePoints[ind];
time +=
(integral_a + amount -
- trace->integral[ind]) / ((trace->integral[ind + 1] -
- trace->integral[ind]) /
- (trace->time_points[ind + 1] -
- trace->time_points[ind]));
+ p_integral[ind]) / ((p_integral[ind + 1] -
+ p_integral[ind]) /
+ (p_timePoints[ind + 1] -
+ p_timePoints[ind]));
return time;
}
+/**
+* \brief Auxiliary function to update the CPU power scale.
+*
+* This function uses the trace structure to return the power scale at the determined time a.
+* \param trace Trace structure to search the updated power scale
+* \param a Time
+* \return CPU power scale
+*/
+double CpuTiTgmr::getPowerScale(double a)
+{
+ double reduced_a;
+ int point;
+ s_tmgr_event_t val;
+
+ reduced_a = a - floor(a / m_lastTime) * m_lastTime;
+ point = p_trace->binarySearch(p_trace->p_timePoints, reduced_a, 0,
+ p_trace->m_nbPoints - 1);
+ xbt_dynar_get_cpy(p_powerTrace->s_list.event_list, point, &val);
+ return val.value;
+}
+
/**
* \brief Creates a new integration trace from a tmgr_trace_t
*
* \param spacing Initial spacing
* \return Integration trace structure
*/
-static surf_cpu_ti_tgmr_t cpu_ti_parse_trace(tmgr_trace_t power_trace,
- double value)
+CpuTiTgmr::CpuTiTgmr(tmgr_trace_t power_trace, double value)
{
- surf_cpu_ti_tgmr_t trace;
double total_time = 0.0;
s_tmgr_event_t val;
unsigned int cpt;
- trace = xbt_new0(s_surf_cpu_ti_tgmr_t, 1);
+ p_trace = 0;
/* no availability file, fixed trace */
if (!power_trace) {
- trace->type = TRACE_FIXED;
- trace->value = value;
- XBT_DEBUG("No availabily trace. Constant value = %lf", value);
- return trace;
+ m_type = TRACE_FIXED;
+ m_value = value;
+ XBT_DEBUG("No availability trace. Constant value = %f", value);
+ return;
}
/* only one point available, fixed trace */
if (xbt_dynar_length(power_trace->s_list.event_list) == 1) {
xbt_dynar_get_cpy(power_trace->s_list.event_list, 0, &val);
- trace->type = TRACE_FIXED;
- trace->value = val.value;
- return trace;
+ m_type = TRACE_FIXED;
+ m_value = val.value;
+ return;
}
- trace->type = TRACE_DYNAMIC;
- trace->power_trace = power_trace;
+ m_type = TRACE_DYNAMIC;
+ p_powerTrace = power_trace;
/* count the total time of trace file */
xbt_dynar_foreach(power_trace->s_list.event_list, cpt, val) {
total_time += val.delta;
}
- trace->trace = surf_cpu_ti_trace_new(power_trace);
- trace->last_time = total_time;
- trace->total =
- surf_cpu_ti_integrate_trace_simple(trace->trace, 0, total_time);
+ p_trace = new CpuTiTrace(power_trace);
+ m_lastTime = total_time;
+ m_total = p_trace->integrateSimple(0, total_time);
- XBT_DEBUG("Total integral %lf, last_time %lf ",
- trace->total, trace->last_time);
-
- return trace;
+ XBT_DEBUG("Total integral %f, last_time %f ",
+ m_total, m_lastTime);
}
/**
* \brief Binary search in array.
- * It returns the first point of the interval in which "a" is.
+ * It returns the first point of the interval in which "a" is.
* \param array Array
* \param a Value to search
* \param low Low bound to search in array
* \param high Upper bound to search in array
* \return Index of point
*/
-static int surf_cpu_ti_binary_search(double *array, double a, int low,
- int high)
+int CpuTiTrace::binarySearch(double *array, double a, int low, int high)
{
xbt_assert(low < high, "Wrong parameters: low (%d) should be smaller than"
" high (%d)", low, high);
int mid;
do {
mid = low + (high - low) / 2;
- XBT_DEBUG("a %lf low %d high %d mid %d value %lf", a, low, high, mid,
+ XBT_DEBUG("a %f low %d high %d mid %d value %f", a, low, high, mid,
array[mid]);
if (array[mid] > a)
return low;
}
+/*************
+ * CallBacks *
+ *************/
+
+static void cpu_ti_define_callbacks()
+{
+ sg_platf_host_add_cb(cpu_parse_init);
+ sg_platf_postparse_add_cb(cpu_add_traces);
+}
+
/*********
* Model *
*********/
+void surf_cpu_model_init_ti()
+{
+ xbt_assert(!surf_cpu_model_pm,"CPU model already initialized. This should not happen.");
+ xbt_assert(!surf_cpu_model_vm,"CPU model already initialized. This should not happen.");
+
+ surf_cpu_model_pm = new CpuTiModel();
+ surf_cpu_model_vm = new CpuTiModel();
+
+ cpu_ti_define_callbacks();
+ ModelPtr model_pm = static_cast<ModelPtr>(surf_cpu_model_pm);
+ ModelPtr model_vm = static_cast<ModelPtr>(surf_cpu_model_vm);
+ xbt_dynar_push(model_list, &model_pm);
+ xbt_dynar_push(model_list, &model_vm);
+}
+
CpuTiModel::CpuTiModel() : CpuModel("cpu_ti")
{
-
+ p_runningActionSetThatDoesNotNeedBeingChecked = new ActionList();
+
+ p_modifiedCpu = new CpuTiList();
+
+ p_tiActionHeap = xbt_heap_new(8, NULL);
+ xbt_heap_set_update_callback(p_tiActionHeap,
+ cpu_ti_action_update_index_heap);
}
-CpuTiPtr CpuTiModel::createResource(string name,
- double powerPeak,
+CpuTiModel::~CpuTiModel()
+{
+ surf_cpu_model_pm = NULL;
+ delete p_runningActionSetThatDoesNotNeedBeingChecked;
+ delete p_modifiedCpu;
+ xbt_heap_free(p_tiActionHeap);
+}
+
+CpuPtr CpuTiModel::createCpu(const char *name,
+ xbt_dynar_t powerPeak,
+ int pstate,
double powerScale,
tmgr_trace_t powerTrace,
int core,
tmgr_trace_t stateTrace,
xbt_dict_t cpuProperties)
{
- tmgr_trace_t empty_trace;
- s_tmgr_event_t val;
- CpuTiActionPtr cpuAction;
xbt_assert(core==1,"Multi-core not handled with this model yet");
- /*TOREPAIR: xbt_assert(!surf_cpu_resource_priv(surf_cpu_resource_by_name(name)),
+ xbt_assert(!surf_cpu_resource_priv(surf_cpu_resource_by_name(name)),
"Host '%s' declared several times in the platform file",
- name);*/
- CpuTiPtr cpu = new CpuTi(this, name, powerPeak, powerScale, powerTrace,
+ name);
+ CpuTiPtr cpu = new CpuTi(this, name, powerPeak, pstate, powerScale, powerTrace,
core, stateInitial, stateTrace, cpuProperties);
- xbt_lib_set(host_lib, name.c_str(), SURF_CPU_LEVEL, cpu);
- return (CpuTiPtr) xbt_lib_get_elm_or_null(host_lib, name.c_str());
+ xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, static_cast<ResourcePtr>(cpu));
+ return cpu;
}
-CpuTiActionPtr CpuTiModel::createAction(double cost, bool failed)
+double CpuTiModel::shareResources(double now)
{
- return NULL;//new CpuTiAction(this, cost, failed);
+ double min_action_duration = -1;
+
+/* iterates over modified cpus to update share resources */
+ for(CpuTiList::iterator it(p_modifiedCpu->begin()), itend(p_modifiedCpu->end())
+ ; it != itend ;) {
+ CpuTiPtr ti = &*it;
+ ++it;
+ ti->updateActionsFinishTime(now);
+ }
+
+/* get the min next event if heap not empty */
+ if (xbt_heap_size(p_tiActionHeap) > 0)
+ min_action_duration = xbt_heap_maxkey(p_tiActionHeap) - now;
+
+ XBT_DEBUG("Share resources, min next event date: %f", min_action_duration);
+
+ return min_action_duration;
}
-void CpuTi::printCpuTiModel()
+void CpuTiModel::updateActionsState(double now, double /*delta*/)
{
- std::cout << getModel()->getName() << "<<plop"<< std::endl;
-};
+ while ((xbt_heap_size(p_tiActionHeap) > 0)
+ && (xbt_heap_maxkey(p_tiActionHeap) <= now)) {
+ CpuTiActionPtr action = (CpuTiActionPtr) xbt_heap_pop(p_tiActionHeap);
+ XBT_DEBUG("Action %p: finish", action);
+ action->finish();
+ /* set the remains to 0 due to precision problems when updating the remaining amount */
+ action->setRemains(0);
+ action->setState(SURF_ACTION_DONE);
+ /* update remaining amount of all actions */
+ action->p_cpu->updateRemainingAmount(surf_get_clock());
+ }
+}
+
+void CpuTiModel::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);
+ CpuTiPtr cpu = static_cast<CpuTiPtr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm)));
+
+ xbt_assert(cpu, "Host %s undefined", elm);
+ xbt_assert(trace, "Trace %s undefined", trace_name);
+
+ if (cpu->p_stateEvent) {
+ XBT_DEBUG("Trace already configured for this CPU(%s), ignoring it",
+ elm);
+ continue;
+ }
+ XBT_DEBUG("Add state trace: %s to CPU(%s)", trace_name, elm);
+ cpu->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, cpu);
+ }
+
+ 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);
+ CpuTiPtr cpu = static_cast<CpuTiPtr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm)));
+
+ xbt_assert(cpu, "Host %s undefined", elm);
+ xbt_assert(trace, "Trace %s undefined", trace_name);
+
+ XBT_DEBUG("Add power trace: %s to CPU(%s)", trace_name, elm);
+ if (cpu->p_availTrace)
+ delete cpu->p_availTrace;
+
+ cpu->p_availTrace = new CpuTiTgmr(trace, cpu->m_powerScale);
+
+ /* add a fake trace event if periodicity == 0 */
+ if (trace && xbt_dynar_length(trace->s_list.event_list) > 1) {
+ s_tmgr_event_t val;
+ xbt_dynar_get_cpy(trace->s_list.event_list,
+ xbt_dynar_length(trace->s_list.event_list) - 1, &val);
+ if (val.delta == 0) {
+ tmgr_trace_t empty_trace;
+ empty_trace = tmgr_empty_trace_new();
+ cpu->p_powerEvent =
+ tmgr_history_add_trace(history, empty_trace,
+ cpu->p_availTrace->m_lastTime, 0, cpu);
+ }
+ }
+ }
+}
/************
* Resource *
************/
-CpuTi::CpuTi(CpuTiModelPtr model, string name, double powerPeak,
- double powerScale, tmgr_trace_t powerTrace, int core,
+CpuTi::CpuTi(CpuTiModelPtr 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), m_powerPeak(powerPeak), m_powerScale(powerScale),
- m_stateCurrent(stateInitial) {
- tmgr_trace_t empty_trace;
- s_tmgr_event_t val;
+ xbt_dict_t properties)
+: Cpu(model, name, properties, core, 0, powerScale)
+{
+ p_powerEvent = NULL;
+ setState(stateInitial);
+ m_powerScale = powerScale;
+ m_core = core;
+ tmgr_trace_t empty_trace;
+ s_tmgr_event_t val;
xbt_assert(core==1,"Multi-core not handled with this model yet");
- XBT_DEBUG("power scale %lf", powerScale);
- m_availTrace = cpu_ti_parse_trace(powerTrace, powerScale);
+ XBT_DEBUG("power scale %f", powerScale);
+ p_availTrace = new CpuTiTgmr(powerTrace, powerScale);
+
+ p_actionSet = new ActionTiList();
+
+ m_lastUpdate = 0;
+
+ xbt_dynar_get_cpy(powerPeak, 0, &m_powerPeak);
+ xbt_dynar_free(&powerPeak); /* kill memory leak */
+ XBT_DEBUG("CPU create: peak=%f", m_powerPeak);
+
if (stateTrace)
- /*TOREPAIR:m_stateEvent = tmgr_history_add_trace(history, stateTrace, 0.0, 0, this);*/
+ p_stateEvent = tmgr_history_add_trace(history, stateTrace, 0.0, 0, this);
if (powerTrace && xbt_dynar_length(powerTrace->s_list.event_list) > 1) {
- // add a fake trace event if periodicity == 0
+ // add a fake trace event if periodicity == 0
xbt_dynar_get_cpy(powerTrace->s_list.event_list,
xbt_dynar_length(powerTrace->s_list.event_list) - 1, &val);
- /*TOREPAIR:if (val.delta == 0) {
+ if (val.delta == 0) {
empty_trace = tmgr_empty_trace_new();
- m_powerEvent =
+ p_powerEvent =
tmgr_history_add_trace(history, empty_trace,
- m_availTrace->last_time, 0, this);
- }*/
+ p_availTrace->m_lastTime, 0, this);
+ }
}
};
-CpuTiModelPtr CpuTi::getModel() {
- return static_cast<CpuTiModelPtr>(p_model);
-};
+CpuTi::~CpuTi(){
+ modified(false);
+ delete p_availTrace;
+ delete p_actionSet;
+}
-double CpuTi::getSpeed(double load)
+void CpuTi::updateState(tmgr_trace_event_t event_type,
+ double value, double date)
{
- return load * m_powerPeak;
+ CpuTiActionPtr action;
+
+ if (event_type == p_powerEvent) {
+ tmgr_trace_t power_trace;
+ CpuTiTgmrPtr trace;
+ s_tmgr_event_t val;
+
+ XBT_DEBUG("Finish trace date: %f value %f date %f", surf_get_clock(),
+ value, date);
+ /* update remaining of actions and put in modified cpu swag */
+ updateRemainingAmount(date);
+
+ modified(true);
+
+ power_trace = p_availTrace->p_powerTrace;
+ xbt_dynar_get_cpy(power_trace->s_list.event_list,
+ xbt_dynar_length(power_trace->s_list.event_list) - 1, &val);
+ /* free old trace */
+ delete p_availTrace;
+ m_powerScale = val.value;
+
+ trace = new CpuTiTgmr(TRACE_FIXED, val.value);
+ XBT_DEBUG("value %f", val.value);
+
+ p_availTrace = trace;
+
+ if (tmgr_trace_event_free(event_type))
+ p_powerEvent = NULL;
+
+ } else if (event_type == p_stateEvent) {
+ if (value > 0) {
+ if(getState() == SURF_RESOURCE_OFF)
+ xbt_dynar_push_as(host_that_restart, char*, (char *)getName());
+ setState(SURF_RESOURCE_ON);
+ } else {
+ setState(SURF_RESOURCE_OFF);
+
+ /* put all action running on cpu to failed */
+ for(ActionTiList::iterator it(p_actionSet->begin()), itend(p_actionSet->end())
+ ; it != itend ; ++it) {
+ action = &*it;
+ if (action->getState() == SURF_ACTION_RUNNING
+ || action->getState() == SURF_ACTION_READY
+ || action->getState() == SURF_ACTION_NOT_IN_THE_SYSTEM) {
+ action->setFinishTime(date);
+ action->setState(SURF_ACTION_FAILED);
+ if (action->m_indexHeap >= 0) {
+ CpuTiActionPtr heap_act = (CpuTiActionPtr)
+ xbt_heap_remove(static_cast<CpuTiModelPtr>(getModel())->p_tiActionHeap, action->m_indexHeap);
+ if (heap_act != action)
+ DIE_IMPOSSIBLE;
+ }
+ }
+ }
+ }
+ if (tmgr_trace_event_free(event_type))
+ p_stateEvent = NULL;
+ } else {
+ XBT_CRITICAL("Unknown event ! \n");
+ xbt_abort();
+ }
+
+ return;
+}
+
+void CpuTi::updateActionsFinishTime(double now)
+{
+ CpuTiActionPtr action;
+ double sum_priority = 0.0, total_area, min_finish = -1;
+
+/* update remaning amount of actions */
+updateRemainingAmount(now);
+
+ for(ActionTiList::iterator it(p_actionSet->begin()), itend(p_actionSet->end())
+ ; it != itend ; ++it) {
+ action = &*it;
+ /* action not running, skip it */
+ if (action->getStateSet() !=
+ surf_cpu_model_pm->getRunningActionSet())
+ continue;
+
+ /* bogus priority, skip it */
+ if (action->getPriority() <= 0)
+ continue;
+
+ /* action suspended, skip it */
+ if (action->m_suspended != 0)
+ continue;
+
+ sum_priority += 1.0 / action->getPriority();
+ }
+ m_sumPriority = sum_priority;
+
+ for(ActionTiList::iterator it(p_actionSet->begin()), itend(p_actionSet->end())
+ ; it != itend ; ++it) {
+ action = &*it;
+ min_finish = -1;
+ /* action not running, skip it */
+ if (action->getStateSet() !=
+ surf_cpu_model_pm->getRunningActionSet())
+ continue;
+
+ /* verify if the action is really running on cpu */
+ if (action->m_suspended == 0 && action->getPriority() > 0) {
+ /* total area needed to finish the action. Used in trace integration */
+ total_area =
+ (action->getRemains()) * sum_priority *
+ action->getPriority();
+
+ total_area /= m_powerPeak;
+
+ action->setFinishTime(p_availTrace->solve(now, total_area));
+ /* verify which event will happen before (max_duration or finish time) */
+ if (action->getMaxDuration() != NO_MAX_DURATION &&
+ action->getStartTime() + action->getMaxDuration() < action->m_finish)
+ min_finish = action->getStartTime() + action->getMaxDuration();
+ else
+ min_finish = action->m_finish;
+ } else {
+ /* put the max duration time on heap */
+ if (action->getMaxDuration() != NO_MAX_DURATION)
+ min_finish = action->getStartTime() + action->getMaxDuration();
+ }
+ /* add in action heap */
+ XBT_DEBUG("action(%p) index %d", action, action->m_indexHeap);
+ if (action->m_indexHeap >= 0) {
+ CpuTiActionPtr heap_act = (CpuTiActionPtr)
+ xbt_heap_remove(static_cast<CpuTiModelPtr>(getModel())->p_tiActionHeap, action->m_indexHeap);
+ if (heap_act != action)
+ DIE_IMPOSSIBLE;
+ }
+ if (min_finish != NO_MAX_DURATION)
+ xbt_heap_push(static_cast<CpuTiModelPtr>(getModel())->p_tiActionHeap, action, min_finish);
+
+ XBT_DEBUG
+ ("Update finish time: Cpu(%s) Action: %p, Start Time: %f Finish Time: %f Max duration %f",
+ getName(), action, action->getStartTime(),
+ action->m_finish,
+ action->getMaxDuration());
+ }
+/* remove from modified cpu */
+ modified(false);
+}
+
+bool CpuTi::isUsed()
+{
+ return !p_actionSet->empty();
}
double CpuTi::getAvailableSpeed()
{
- return 0;
+ m_powerScale = p_availTrace->getPowerScale(surf_get_clock());
+ return Cpu::getAvailableSpeed();
+}
+
+/**
+* \brief Update the remaining amount of actions
+*
+* \param now Current time
+*/
+void CpuTi::updateRemainingAmount(double now)
+{
+ double area_total;
+ CpuTiActionPtr action;
+
+ /* already updated */
+ if (m_lastUpdate >= now)
+ return;
+
+/* calcule the surface */
+ area_total = p_availTrace->integrate(m_lastUpdate, now) * m_powerPeak;
+ XBT_DEBUG("Flops total: %f, Last update %f", area_total,
+ m_lastUpdate);
+
+ for(ActionTiList::iterator it(p_actionSet->begin()), itend(p_actionSet->end())
+ ; it != itend ; ++it) {
+ action = &*it;
+ /* action not running, skip it */
+ if (action->getStateSet() !=
+ getModel()->getRunningActionSet())
+ continue;
+
+ /* bogus priority, skip it */
+ if (action->getPriority() <= 0)
+ continue;
+
+ /* action suspended, skip it */
+ if (action->m_suspended != 0)
+ continue;
+
+ /* action don't need update */
+ if (action->getStartTime() >= now)
+ continue;
+
+ /* skip action that are finishing now */
+ if (action->m_finish >= 0
+ && action->m_finish <= now)
+ continue;
+
+ /* update remaining */
+ action->updateRemains(area_total / (m_sumPriority * action->getPriority()));
+ XBT_DEBUG("Update remaining action(%p) remaining %f", action,
+ action->m_remains);
+ }
+ m_lastUpdate = now;
+}
+
+CpuActionPtr CpuTi::execute(double size)
+{
+ XBT_IN("(%s,%g)", getName(), size);
+ CpuTiActionPtr action = new CpuTiAction(static_cast<CpuTiModelPtr>(getModel()), size, getState() != SURF_RESOURCE_ON, this);
+
+ p_actionSet->push_back(*action);
+
+ XBT_OUT();
+ return action;
+}
+
+
+CpuActionPtr CpuTi::sleep(double duration)
+{
+ if (duration > 0)
+ duration = MAX(duration, sg_surf_precision);
+
+ XBT_IN("(%s,%g)", getName(), duration);
+ CpuTiActionPtr action = new CpuTiAction(static_cast<CpuTiModelPtr>(getModel()), 1.0, getState() != SURF_RESOURCE_ON, this);
+
+ action->m_maxDuration = duration;
+ action->m_suspended = 2;
+ 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->p_stateSet = static_cast<CpuTiModelPtr>(getModel())->p_runningActionSetThatDoesNotNeedBeingChecked;
+ action->getStateSet()->push_back(*action);
+ }
+
+ p_actionSet->push_back(*action);
+
+ XBT_OUT();
+ return action;
+}
+
+void CpuTi::modified(bool modified){
+ CpuTiListPtr modifiedCpu = static_cast<CpuTiModelPtr>(getModel())->p_modifiedCpu;
+ if (modified) {
+ if (!is_linked()) {
+ modifiedCpu->push_back(*this);
+ }
+ } else {
+ if (is_linked()) {
+ modifiedCpu->erase(modifiedCpu->iterator_to(*this));
+ }
+ }
}
/**********
* Action *
**********/
-double CpuTiAction::getRemains()
+static void cpu_ti_action_update_index_heap(void *action, int i)
{
- return 0;
+((CpuTiActionPtr)action)->updateIndexHeap(i);
}
-double CpuTiAction::getStartTime()
+CpuTiAction::CpuTiAction(CpuTiModelPtr model_, double cost, bool failed,
+ CpuTiPtr cpu)
+ : CpuAction(model_, cost, failed)
{
- return 0;
+ m_suspended = 0; /* Should be useless because of the
+ calloc but it seems to help valgrind... */
+ p_cpu = cpu;
+ m_indexHeap = -1;
+ p_cpu->modified(true);
+}
+
+void CpuTiAction::updateIndexHeap(int i)
+{
+ m_indexHeap = i;
}
-double CpuTiAction::getFinishTime()
+void CpuTiAction::setState(e_surf_action_state_t state)
{
+ CpuAction::setState(state);
+ p_cpu->modified(true);
+}
+
+int CpuTiAction::unref()
+{
+ m_refcount--;
+ if (!m_refcount) {
+ if (actionHook::is_linked())
+ getStateSet()->erase(getStateSet()->iterator_to(*this));
+ /* remove from action_set */
+ if (actionTiHook::is_linked())
+ p_cpu->p_actionSet->erase(p_cpu->p_actionSet->iterator_to(*this));
+ /* remove from heap */
+ xbt_heap_remove(static_cast<CpuTiModelPtr>(getModel())->p_tiActionHeap, this->m_indexHeap);
+ p_cpu->modified(true);
+ delete this;
+ return 1;
+ }
return 0;
}
+void CpuTiAction::cancel()
+{
+ this->setState(SURF_ACTION_FAILED);
+ xbt_heap_remove(getModel()->getActionHeap(), this->m_indexHeap);
+ p_cpu->modified(true);
+ return;
+}
+
+void CpuTiAction::recycle()
+{
+ DIE_IMPOSSIBLE;
+}
+
+void CpuTiAction::suspend()
+{
+ XBT_IN("(%p)", this);
+ if (m_suspended != 2) {
+ m_suspended = 1;
+ xbt_heap_remove(getModel()->getActionHeap(), m_indexHeap);
+ p_cpu->modified(true);
+ }
+ XBT_OUT();
+}
+
+void CpuTiAction::resume()
+{
+ XBT_IN("(%p)", this);
+ if (m_suspended != 2) {
+ m_suspended = 0;
+ p_cpu->modified(true);
+ }
+ XBT_OUT();
+}
+
+bool CpuTiAction::isSuspended()
+{
+ return m_suspended == 1;
+}
+
+void CpuTiAction::setMaxDuration(double duration)
+{
+ double min_finish;
+
+ XBT_IN("(%p,%g)", this, duration);
+
+ m_maxDuration = duration;
+
+ if (duration >= 0)
+ min_finish = (getStartTime() + getMaxDuration()) < getFinishTime() ?
+ (getStartTime() + getMaxDuration()) : getFinishTime();
+ else
+ min_finish = getFinishTime();
+
+/* add in action heap */
+ if (m_indexHeap >= 0) {
+ CpuTiActionPtr heap_act = (CpuTiActionPtr)
+ xbt_heap_remove(getModel()->getActionHeap(), m_indexHeap);
+ if (heap_act != this)
+ DIE_IMPOSSIBLE;
+ }
+ xbt_heap_push(getModel()->getActionHeap(), this, min_finish);
+
+ XBT_OUT();
+}
+
+void CpuTiAction::setPriority(double priority)
+{
+ XBT_IN("(%p,%g)", this, priority);
+ m_priority = priority;
+ p_cpu->modified(true);
+ XBT_OUT();
+}
+
+double CpuTiAction::getRemains()
+{
+ XBT_IN("(%p)", this);
+ p_cpu->updateRemainingAmount(surf_get_clock());
+ XBT_OUT();
+ return m_remains;
+}
+
#endif /* SURF_MODEL_CPUTI_H_ */