1 /* Copyright (c) 2013-2019. 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/trace_mgr.hpp"
10 #include "src/surf/cpu_interface.hpp"
12 #include <boost/intrusive/list.hpp>
20 class XBT_PRIVATE CpuTiModel;
21 class XBT_PRIVATE CpuTi;
28 explicit CpuTiProfile(kernel::profile::Profile* profile);
29 CpuTiProfile(const CpuTiProfile&) = delete;
30 CpuTiProfile& operator=(const CpuTiProfile&) = delete;
33 double integrate_simple(double a, double b);
34 double integrate_simple_point(double a);
35 double solve_simple(double a, double amount);
40 int binary_search(double* array, double a, int low, int high);
45 FIXED, /*< Trace fixed, no availability file */
46 DYNAMIC /*< Dynamic, have an availability file */
50 explicit CpuTiTmgr(double value) : type_(Type::FIXED), value_(value){};
51 CpuTiTmgr(kernel::profile::Profile* speed_profile, double value);
52 CpuTiTmgr(const CpuTiTmgr&) = delete;
53 CpuTiTmgr& operator=(const CpuTiTmgr&) = delete;
56 double integrate(double a, double b);
57 double solve(double a, double amount);
58 double get_power_scale(double a);
62 double value_; /*< Percentage of cpu speed available. Value fixed between 0 and 1 */
65 double last_time_ = 0.0; /*< Integral interval last point (discrete time) */
66 double total_ = 0.0; /*< Integral total between 0 and last_pointn */
68 CpuTiProfile* profile_ = nullptr;
69 kernel::profile::Profile* speed_profile_ = nullptr;
76 class XBT_PRIVATE CpuTiAction : public CpuAction {
79 CpuTiAction(CpuTi* cpu, double cost);
80 CpuTiAction(const CpuTiAction&) = delete;
81 CpuTiAction& operator=(const CpuTiAction&) = delete;
84 void set_state(kernel::resource::Action::State state) override;
85 void cancel() override;
86 void suspend() override;
87 void resume() override;
88 void set_max_duration(double duration) override;
89 void set_priority(double priority) override;
90 double get_remains() override;
94 boost::intrusive::list_member_hook<> action_ti_hook;
97 typedef boost::intrusive::member_hook<CpuTiAction, boost::intrusive::list_member_hook<>, &CpuTiAction::action_ti_hook> ActionTiListOptions;
98 typedef boost::intrusive::list<CpuTiAction, ActionTiListOptions > ActionTiList;
103 class CpuTi : public Cpu {
105 CpuTi(CpuTiModel* model, simgrid::s4u::Host* host, std::vector<double>* speed_per_pstate, int core);
106 CpuTi(const CpuTi&) = delete;
107 CpuTi& operator&(const CpuTi&) = delete;
110 void set_speed_profile(kernel::profile::Profile* profile) override;
112 void apply_event(kernel::profile::Event* event, double value) override;
113 void update_actions_finish_time(double now);
114 void update_remaining_amount(double now);
116 bool is_used() override;
117 CpuAction *execution_start(double size) override;
118 kernel::resource::Action* execution_start(double, int) override
123 CpuAction *sleep(double duration) override;
124 double get_speed_ratio() override;
126 void set_modified(bool modified);
128 CpuTiTmgr* speed_integrated_trace_ = nullptr; /*< Structure with data needed to integrate trace file */
129 ActionTiList action_set_; /*< set with all actions running on cpu */
130 double sum_priority_ = 0; /*< the sum of actions' priority that are running on cpu */
131 double last_update_ = 0; /*< last update of actions' remaining amount done */
133 boost::intrusive::list_member_hook<> cpu_ti_hook;
136 typedef boost::intrusive::member_hook<CpuTi, boost::intrusive::list_member_hook<>, &CpuTi::cpu_ti_hook> CpuTiListOptions;
137 typedef boost::intrusive::list<CpuTi, CpuTiListOptions> CpuTiList;
142 class CpuTiModel : public CpuModel {
144 static void create_pm_vm_models(); // Make both models be TI models
147 CpuTiModel(const CpuTiModel&) = delete;
148 CpuTiModel& operator=(const CpuTiModel&) = delete;
149 ~CpuTiModel() override;
150 Cpu* create_cpu(simgrid::s4u::Host* host, std::vector<double>* speed_per_pstate, int core) override;
151 double next_occuring_event(double now) override;
152 void update_actions_state(double now, double delta) override;
154 CpuTiList modified_cpus_;
160 #endif /* SURF_MODEL_CPUTI_H_ */