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 "cpu_interface.hpp"
10 #include "src/kernel/resource/profile/Profile.hpp"
11 #include <boost/intrusive/list.hpp>
21 class XBT_PRIVATE CpuTiModel;
22 class XBT_PRIVATE CpuTi;
28 std::vector<double> time_points_;
29 std::vector<double> integral_;
32 explicit CpuTiProfile(const profile::Profile* profile);
34 const std::vector<double>& get_time_points() const { return time_points_; }
36 double integrate_simple(double a, double b) const;
37 double integrate_simple_point(double a) const;
38 double solve_simple(double a, double amount) const;
40 static long binary_search(const std::vector<double>& array, double a);
45 FIXED, /*< Trace fixed, no availability file */
46 DYNAMIC /*< Dynamic, have an availability file */
48 Type type_ = Type::FIXED;
49 double value_; /*< Percentage of cpu speed available. Value fixed between 0 and 1 */
52 double last_time_ = 0.0; /*< Integral interval last point (discrete time) */
53 double total_ = 0.0; /*< Integral total between 0 and last point */
55 std::unique_ptr<CpuTiProfile> profile_ = nullptr;
56 profile::Profile* speed_profile_ = nullptr;
59 explicit CpuTiTmgr(double value) : value_(value){};
60 CpuTiTmgr(profile::Profile* speed_profile, double value);
61 CpuTiTmgr(const CpuTiTmgr&) = delete;
62 CpuTiTmgr& operator=(const CpuTiTmgr&) = delete;
64 double integrate(double a, double b) const;
65 double solve(double a, double amount) const;
66 double get_power_scale(double a) const;
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_sharing_penalty(double sharing_penalty) override;
86 double get_remains() override;
90 boost::intrusive::list_member_hook<> action_ti_hook;
93 using ActionTiListOptions =
94 boost::intrusive::member_hook<CpuTiAction, boost::intrusive::list_member_hook<>, &CpuTiAction::action_ti_hook>;
95 using ActionTiList = boost::intrusive::list<CpuTiAction, ActionTiListOptions>;
100 class CpuTi : public CpuImpl {
102 CpuTi(s4u::Host* host, const std::vector<double>& speed_per_pstate);
103 CpuTi(const CpuTi&) = delete;
104 CpuTi& operator&(const CpuTi&) = delete;
107 CpuImpl* set_speed_profile(profile::Profile* profile) override;
109 void apply_event(profile::Event* event, double value) override;
110 void update_actions_finish_time(double now);
111 void update_remaining_amount(double now);
113 bool is_used() const override;
114 CpuAction* execution_start(double size, double user_bound) override;
115 CpuAction* execution_start(double, int, double) override
120 CpuAction* sleep(double duration) override;
121 double get_speed_ratio() override;
123 void set_modified(bool modified);
125 CpuTiTmgr* speed_integrated_trace_ = nullptr; /*< Structure with data needed to integrate trace file */
126 ActionTiList action_set_; /*< set with all actions running on cpu */
127 double sum_priority_ = 0; /*< the sum of actions' priority that are running on cpu */
128 double last_update_ = 0; /*< last update of actions' remaining amount done */
130 boost::intrusive::list_member_hook<> cpu_ti_hook;
133 using CpuTiListOptions =
134 boost::intrusive::member_hook<CpuTi, boost::intrusive::list_member_hook<>, &CpuTi::cpu_ti_hook>;
135 using CpuTiList = boost::intrusive::list<CpuTi, CpuTiListOptions>;
140 class CpuTiModel : public CpuModel {
142 static void create_pm_models(); // Make CPU PM model
144 using CpuModel::CpuModel;
145 CpuTiModel(const CpuTiModel&) = delete;
146 CpuTiModel& operator=(const CpuTiModel&) = delete;
147 CpuImpl* create_cpu(s4u::Host* host, const std::vector<double>& speed_per_pstate) override;
148 double next_occurring_event(double now) override;
149 void update_actions_state(double now, double delta) override;
151 CpuTiList modified_cpus_;
154 } // namespace resource
155 } // namespace kernel
156 } // namespace simgrid
158 #endif /* SURF_MODEL_CPUTI_H_ */