1 /* Copyright (c) 2013-2021. 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 #ifndef SURF_MODEL_CPUTI_H_
7 #define SURF_MODEL_CPUTI_H_
9 #include "src/kernel/resource/profile/Profile.hpp"
10 #include "src/surf/cpu_interface.hpp"
12 #include <boost/intrusive/list.hpp>
22 class XBT_PRIVATE CpuTiModel;
23 class XBT_PRIVATE CpuTi;
30 explicit CpuTiProfile(const profile::Profile* profile);
32 double integrate_simple(double a, double b) const;
33 double integrate_simple_point(double a) const;
34 double solve_simple(double a, double amount) const;
36 std::vector<double> time_points_;
37 std::vector<double> integral_;
38 static int binary_search(const std::vector<double>& array, double a);
43 FIXED, /*< Trace fixed, no availability file */
44 DYNAMIC /*< Dynamic, have an availability file */
48 explicit CpuTiTmgr(double value) : value_(value){};
49 CpuTiTmgr(profile::Profile* speed_profile, double value);
50 CpuTiTmgr(const CpuTiTmgr&) = delete;
51 CpuTiTmgr& operator=(const CpuTiTmgr&) = delete;
53 double integrate(double a, double b) const;
54 double solve(double a, double amount) const;
55 double get_power_scale(double a) const;
58 Type type_ = Type::FIXED;
59 double value_; /*< Percentage of cpu speed available. Value fixed between 0 and 1 */
62 double last_time_ = 0.0; /*< Integral interval last point (discrete time) */
63 double total_ = 0.0; /*< Integral total between 0 and last point */
65 std::unique_ptr<CpuTiProfile> profile_ = nullptr;
66 profile::Profile* speed_profile_ = nullptr;
73 class XBT_PRIVATE CpuTiAction : public CpuAction {
76 CpuTiAction(CpuTi* cpu, double cost);
77 CpuTiAction(const CpuTiAction&) = delete;
78 CpuTiAction& operator=(const CpuTiAction&) = delete;
79 ~CpuTiAction() override;
81 void set_state(Action::State state) override;
82 void cancel() override;
83 void suspend() override;
84 void resume() override;
85 void set_max_duration(double duration) override;
86 void set_sharing_penalty(double sharing_penalty) override;
87 double get_remains() override;
91 boost::intrusive::list_member_hook<> action_ti_hook;
94 using ActionTiListOptions =
95 boost::intrusive::member_hook<CpuTiAction, boost::intrusive::list_member_hook<>, &CpuTiAction::action_ti_hook>;
96 using ActionTiList = boost::intrusive::list<CpuTiAction, ActionTiListOptions>;
101 class CpuTi : public Cpu {
103 CpuTi(s4u::Host* host, const std::vector<double>& speed_per_pstate);
104 CpuTi(const CpuTi&) = delete;
105 CpuTi& operator&(const CpuTi&) = delete;
108 void set_speed_profile(profile::Profile* profile) override;
110 void apply_event(profile::Event* event, double value) override;
111 void update_actions_finish_time(double now);
112 void update_remaining_amount(double now);
114 bool is_used() const override;
115 CpuAction* execution_start(double size) override;
116 CpuAction* execution_start(double, int) override
121 CpuAction* sleep(double duration) override;
122 double get_speed_ratio() override;
124 void set_modified(bool modified);
126 CpuTiTmgr* speed_integrated_trace_ = nullptr; /*< Structure with data needed to integrate trace file */
127 ActionTiList action_set_; /*< set with all actions running on cpu */
128 double sum_priority_ = 0; /*< the sum of actions' priority that are running on cpu */
129 double last_update_ = 0; /*< last update of actions' remaining amount done */
131 boost::intrusive::list_member_hook<> cpu_ti_hook;
134 using CpuTiListOptions =
135 boost::intrusive::member_hook<CpuTi, boost::intrusive::list_member_hook<>, &CpuTi::cpu_ti_hook>;
136 using CpuTiList = boost::intrusive::list<CpuTi, CpuTiListOptions>;
141 class CpuTiModel : public CpuModel {
143 static void create_pm_models(); // Make CPU PM model
145 CpuTiModel() = default;
146 CpuTiModel(const CpuTiModel&) = delete;
147 CpuTiModel& operator=(const CpuTiModel&) = delete;
148 Cpu* create_cpu(s4u::Host* host, const std::vector<double>& speed_per_pstate) override;
149 double next_occurring_event(double now) override;
150 void update_actions_state(double now, double delta) override;
152 CpuTiList modified_cpus_;
155 } // namespace resource
156 } // namespace kernel
157 } // namespace simgrid
159 #endif /* SURF_MODEL_CPUTI_H_ */