1 /* Copyright (c) 2013-2018. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include <boost/intrusive/list.hpp>
10 #include "src/surf/cpu_interface.hpp"
11 #include "src/surf/trace_mgr.hpp"
14 #define EPSILON 0.000000001
22 class XBT_PRIVATE CpuTiTrace;
23 class XBT_PRIVATE CpuTiTgmr;
24 class XBT_PRIVATE CpuTiModel;
25 class XBT_PRIVATE CpuTi;
26 class XBT_PRIVATE CpuTiAction;
35 explicit CpuTiTrace(tmgr_trace_t speedTrace);
38 double integrateSimple(double a, double b);
39 double integrateSimplePoint(double a);
40 double solveSimple(double a, double amount);
45 int binarySearch(double *array, double a, int low, int high);
50 TRACE_FIXED, /*< Trace fixed, no availability file */
51 TRACE_DYNAMIC /*< Dynamic, have an availability file */
56 CpuTiTgmr(trace_type type, double value)
57 : type_(type), value_(value)
59 CpuTiTgmr(tmgr_trace_t speedTrace, double value);
62 double integrate(double a, double b);
63 double solve(double a, double amount);
64 double solveSomewhatSimple(double a, double amount);
65 double getPowerScale(double a);
68 double value_; /*< Percentage of cpu speed available. Value fixed between 0 and 1 */
71 double lastTime_ = 0.0; /*< Integral interval last point (discrete time) */
72 double total_ = 0.0; /*< Integral total between 0 and last_pointn */
74 CpuTiTrace *trace_ = nullptr;
75 tmgr_trace_t speedTrace_ = nullptr;
82 class CpuTiAction: public CpuAction {
85 CpuTiAction(CpuTiModel *model, double cost, bool failed, CpuTi *cpu);
87 void setState(simgrid::kernel::resource::Action::State state) override;
89 void cancel() override;
90 void suspend() override;
91 void resume() override;
92 void setMaxDuration(double duration) override;
93 void setSharingWeight(double priority) override;
94 double getRemains() override;
98 boost::intrusive::list_member_hook<> action_ti_hook;
101 typedef boost::intrusive::member_hook<CpuTiAction, boost::intrusive::list_member_hook<>, &CpuTiAction::action_ti_hook> ActionTiListOptions;
102 typedef boost::intrusive::list<CpuTiAction, ActionTiListOptions > ActionTiList;
107 class CpuTi : public Cpu {
109 CpuTi(CpuTiModel *model, simgrid::s4u::Host *host, std::vector<double> *speedPerPstate, int core);
112 void setSpeedTrace(tmgr_trace_t trace) override;
114 void apply_event(tmgr_trace_event_t event, double value) override;
115 void updateActionsFinishTime(double now);
116 void updateRemainingAmount(double now);
118 bool isUsed() override;
119 CpuAction *execution_start(double size) override;
120 simgrid::kernel::resource::Action* execution_start(double size, int requestedCores) override
125 CpuAction *sleep(double duration) override;
126 double getAvailableSpeed() override;
128 void modified(bool modified);
130 CpuTiTgmr *speedIntegratedTrace_ = nullptr;/*< Structure with data needed to integrate trace file */
131 ActionTiList actionSet_; /*< set with all actions running on cpu */
132 double sumPriority_ = 0; /*< the sum of actions' priority that are running on cpu */
133 double lastUpdate_ = 0; /*< last update of actions' remaining amount done */
135 double currentFrequency_;
137 boost::intrusive::list_member_hook<> cpu_ti_hook;
140 typedef boost::intrusive::member_hook<CpuTi, boost::intrusive::list_member_hook<>, &CpuTi::cpu_ti_hook> CpuTiListOptions;
141 typedef boost::intrusive::list<CpuTi, CpuTiListOptions> CpuTiList;
146 class CpuTiModel : public CpuModel {
148 CpuTiModel() = default;
149 ~CpuTiModel() override;
150 Cpu *createCpu(simgrid::s4u::Host *host, std::vector<double>* speedPerPstate, int core) override;
151 double nextOccuringEvent(double now) override;
152 void updateActionsState(double now, double delta) override;
154 kernel::resource::ActionList runningActionSetThatDoesNotNeedBeingChecked_;
155 CpuTiList modifiedCpu_;