X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/98a167fa2243c248259017276314ff93c8e841fe..7f3527d281baac664d10ce7086e0d0138e1389d7:/src/surf/cpu_interface.hpp diff --git a/src/surf/cpu_interface.hpp b/src/surf/cpu_interface.hpp index 40e3659708..757bb99133 100644 --- a/src/surf/cpu_interface.hpp +++ b/src/surf/cpu_interface.hpp @@ -1,59 +1,22 @@ -/* Copyright (c) 2004-2015. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2004-2017. 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 "surf_interface.hpp" -#include "maxmin_private.hpp" - #ifndef SURF_CPU_INTERFACE_HPP_ #define SURF_CPU_INTERFACE_HPP_ +#include "simgrid/s4u/Host.hpp" +#include "src/kernel/lmm/maxmin.hpp" + +#include + /*********** * Classes * ***********/ -class CpuModel; -class Cpu; -class CpuAction; -class CpuPlugin; - -/************* - * Callbacks * - *************/ -XBT_PUBLIC(Cpu*) getActionCpu(CpuAction *action); - -/** @ingroup SURF_callbacks - * @brief Callbacks handler which emit the callbacks after Cpu creation * - * @details Callback functions have the following signature: `void(CpuPtr)` - */ -XBT_PUBLIC_DATA( surf_callback(void, Cpu*)) cpuCreatedCallbacks; - -/** @ingroup SURF_callbacks - * @brief Callbacks handler which emit the callbacks after Cpu destruction * - * @details Callback functions have the following signature: `void(CpuPtr)` - */ -XBT_PUBLIC_DATA( surf_callback(void, Cpu*)) cpuDestructedCallbacks; - -/** @ingroup SURF_callbacks - * @brief Callbacks handler which emit the callbacks after Cpu State changed * - * @details Callback functions have the following signature: `void(CpuAction *action, e_surf_resource_state_t old, e_surf_resource_state_t current)` - */ -XBT_PUBLIC_DATA( surf_callback(void, Cpu*, e_surf_resource_state_t, e_surf_resource_state_t)) cpuStateChangedCallbacks; - -/** @ingroup SURF_callbacks - * @brief Callbacks handler which emit the callbacks after CpuAction State changed * - * @details Callback functions have the following signature: `void(CpuAction *action, e_surf_action_state_t old, e_surf_action_state_t current)` - */ -XBT_PUBLIC_DATA( surf_callback(void, CpuAction*, e_surf_action_state_t, e_surf_action_state_t)) cpuActionStateChangedCallbacks; - -XBT_PUBLIC(void) cpu_parse_init(sg_platf_host_cbarg_t host); -XBT_PUBLIC(void) cpu_add_traces(); - -/********* - * Model * - *********/ +namespace simgrid { +namespace surf { /** @ingroup SURF_cpu_interface * @brief SURF cpu model interface class @@ -61,31 +24,17 @@ XBT_PUBLIC(void) cpu_add_traces(); */ XBT_PUBLIC_CLASS CpuModel : public Model { public: - CpuModel() : Model() {}; - /** * @brief Create a Cpu * - * @param name The name of the Cpu - * @param power_peak The power peak of this Cpu - * @param pstate [TODO] - * @param power_scale The power scale of this Cpu - * @param power_trace [TODO] + * @param host The host that will have this CPU + * @param speedPerPstate Processor speed (in Flops) of each pstate. This ignores any potential external load coming from a trace. * @param core The number of core of this Cpu - * @param state_initial [TODO] - * @param state_trace [TODO] - * @param cpu_properties Dictionary of properties associated to this Cpu */ - virtual Cpu *createCpu(const char *name, xbt_dynar_t power_peak, - int pstate, double power_scale, - tmgr_trace_t power_trace, int core, - e_surf_resource_state_t state_initial, - tmgr_trace_t state_trace, - xbt_dict_t cpu_properties)=0; - - void updateActionsStateLazy(double now, double delta); - void updateActionsStateFull(double now, double delta); - bool shareResourcesIsIdempotent() {return true;} + virtual Cpu *createCpu(simgrid::s4u::Host *host, std::vector *speedPerPstate, int core)=0; + + void updateActionsStateLazy(double now, double delta) override; + void updateActionsStateFull(double now, double delta) override; }; /************ @@ -96,43 +45,30 @@ public: * @brief SURF cpu resource interface class * @details A Cpu represent a cpu associated to a host */ -XBT_PUBLIC_CLASS Cpu : public Resource { +XBT_PUBLIC_CLASS Cpu : public simgrid::surf::Resource { public: - /** - * @brief Cpu constructor - */ - Cpu(); - /** * @brief Cpu constructor * * @param model The CpuModel associated to this Cpu - * @param name The name of the Cpu - * @param props Dictionary of properties associated to this Cpu + * @param host The host in which this Cpu should be plugged * @param constraint The lmm constraint associated to this Cpu if it is part of a LMM component + * @param speedPerPstate Processor speed (in flop per second) for each pstate * @param core The number of core of this Cpu - * @param powerPeak The power peak of this Cpu - * @param powerScale The power scale of this Cpu */ - Cpu(Model *model, const char *name, xbt_dict_t props, - lmm_constraint_t constraint, int core, double powerPeak, double powerScale); + Cpu(simgrid::surf::Model * model, simgrid::s4u::Host * host, kernel::lmm::Constraint * constraint, + std::vector * speedPerPstate, int core); /** * @brief Cpu constructor * * @param model The CpuModel associated to this Cpu - * @param name The name of the Cpu - * @param props Dictionary of properties associated to this Cpu + * @param host The host in which this Cpu should be plugged + * @param speedPerPstate Processor speed (in flop per second) for each pstate * @param core The number of core of this Cpu - * @param powerPeak The power peak of this Cpu in [TODO] - * @param powerScale The power scale of this Cpu in [TODO] */ - Cpu(Model *model, const char *name, xbt_dict_t props, - int core, double powerPeak, double powerScale); + Cpu(simgrid::surf::Model* model, simgrid::s4u::Host* host, std::vector* speedPerPstate, int core); - /** - * @brief Cpu destructor - */ ~Cpu(); /** @@ -141,66 +77,63 @@ public: * @param size The value of the processing amount (in flop) needed to process * @return The CpuAction corresponding to the processing */ - virtual CpuAction *execute(double size)=0; + virtual simgrid::surf::Action *execution_start(double size)=0; /** - * @brief Make a process sleep for duration (in seconds) + * @brief Execute some quantity of computation on more than one core * - * @param duration The number of seconds to sleep - * @return The CpuAction corresponding to the sleeping + * @param size The value of the processing amount (in flop) needed to process + * @param requestedCores The desired amount of cores. Must be >= 1 + * @return The CpuAction corresponding to the processing */ - virtual CpuAction *sleep(double duration)=0; + virtual simgrid::surf::Action* execution_start(double size, int requestedCores) + { + THROW_UNIMPLEMENTED; + return nullptr; + } /** - * @brief Get the number of cores of the current Cpu + * @brief Make a process sleep for duration (in seconds) * - * @return The number of cores of the current Cpu + * @param duration The number of seconds to sleep + * @return The CpuAction corresponding to the sleeping */ - virtual int getCore(); + virtual simgrid::surf::Action *sleep(double duration)=0; - /** - * @brief Get the speed of the current Cpu - * @details [TODO] load * m_powerPeak - * - * @param load [TODO] - * - * @return The speed of the current Cpu - */ + /** @brief Get the amount of cores */ + virtual int coreCount(); + + /** @brief Get the speed, accounting for the trace load and provided process load instead of the real current one */ virtual double getSpeed(double load); - /** - * @brief Get the available speed of the current Cpu - * @details [TODO] - * - * @return The available speed of the current Cpu - */ - virtual double getAvailableSpeed(); +protected: + /** @brief Take speed changes (either load or max) into account */ + virtual void onSpeedChange(); - /** - * @brief Get the current Cpu power peak - * - * @return The current Cpu power peak - */ - virtual double getCurrentPowerPeak(); +public: + /** @brief Get the available speed of the current Cpu */ + virtual double getAvailableSpeed(); + /** @brief Get the current Cpu computational speed */ + virtual double getPstateSpeed(int pstate_index); - virtual double getPowerPeakAt(int pstate_index)=0; + virtual int getNbPStates(); + virtual void setPState(int pstate_index); + virtual int getPState(); - virtual int getNbPstates()=0; + simgrid::s4u::Host* getHost() { return host_; } - virtual void setPstate(int pstate_index)=0; - virtual int getPstate()=0; + int coresAmount_ = 1; + simgrid::s4u::Host* host_; - void setState(e_surf_resource_state_t state); + std::vector speedPerPstate_; /*< List of supported CPU capacities (pstate related) */ + int pstate_ = 0; /*< Current pstate (index in the speedPeakList)*/ - void addTraces(void); - int m_core; - double m_powerPeak; /*< CPU power peak */ - double m_powerScale; /*< Percentage of CPU available */ + virtual void setStateTrace(tmgr_trace_t trace); /*< setup the trace file with states events (ON or OFF). Trace must contain boolean values (0 or 1). */ + virtual void setSpeedTrace(tmgr_trace_t trace); /*< setup the trace file with availability events (peak speed changes due to external load). Trace must contain relative values (ratio between 0 and 1) */ - /* Note (hypervisor): */ - lmm_constraint_t *p_constraintCore; - void **p_constraintCoreId; + tmgr_trace_event_t stateEvent_ = nullptr; + s_surf_metric_t speed_ = {1.0, 0, nullptr}; }; /********** @@ -208,46 +141,37 @@ public: **********/ /** @ingroup SURF_cpu_interface - * @brief SURF Cpu action interface class - * @details A CpuAction represent the execution of code on a Cpu + * @brief A CpuAction represents the execution of code on one or several Cpus */ -XBT_PUBLIC_CLASS CpuAction : public Action { -friend XBT_PUBLIC(Cpu*) getActionCpu(CpuAction *action); -public: - /** - * @brief CpuAction constructor - * - * @param model The CpuModel associated to this CpuAction - * @param cost [TODO] - * @param failed [TODO] - */ - CpuAction(Model *model, double cost, bool failed) - : Action(model, cost, failed) {} //FIXME:REMOVE +XBT_PUBLIC_CLASS CpuAction : public simgrid::surf::Action { + friend XBT_PUBLIC(Cpu*) getActionCpu(CpuAction* action); - /** - * @brief CpuAction constructor - * - * @param model The CpuModel associated to this CpuAction - * @param cost [TODO] - * @param failed [TODO] - * @param var The lmm variable associated to this CpuAction if it is part of a LMM component +public: + /** @brief Signal emitted when the action state changes (ready/running/done, etc) + * Signature: `void(CpuAction *action, simgrid::surf::Action::State previous)` */ - CpuAction(Model *model, double cost, bool failed, lmm_variable_t var) - : Action(model, cost, failed, var) {} - - /** - * @brief Set the affinity of the current CpuAction - * @details [TODO] - * - * @param cpu [TODO] - * @param mask [TODO] + static simgrid::xbt::signal onStateChange; + /** @brief Signal emitted when the action share changes (amount of flops it gets) + * Signature: `void(CpuAction *action)` */ - virtual void setAffinity(Cpu *cpu, unsigned long mask); + static simgrid::xbt::signal onShareChange; - void setState(e_surf_action_state_t state); + CpuAction(simgrid::surf::Model* model, double cost, bool failed) : Action(model, cost, failed) {} + CpuAction(simgrid::surf::Model * model, double cost, bool failed, kernel::lmm::Variable* var) + : Action(model, cost, failed, var) + { + } - void updateRemainingLazy(double now); + void setState(simgrid::surf::Action::State state) override; + void updateRemainingLazy(double now) override; + std::list cpus(); + + void suspend() override; + void resume() override; }; +} +} + #endif /* SURF_CPU_INTERFACE_HPP_ */