* This ignores any potential external load coming from a trace.
* @param core The number of core of this Cpu
*/
- virtual Cpu* create_cpu(s4u::Host* host, const std::vector<double>& speed_per_pstate, int core) = 0;
+ virtual CpuImpl* create_cpu(s4u::Host* host, const std::vector<double>& speed_per_pstate) = 0;
void update_actions_state_lazy(double now, double delta) override;
void update_actions_state_full(double now, double delta) override;
* Resource *
************/
-class XBT_PUBLIC Cpu : public Resource_T<Cpu> {
+class XBT_PUBLIC CpuImpl : public Resource_T<CpuImpl> {
friend vm::VirtualMachineImpl; // Resets the VCPU
s4u::Host* piface_;
int core_count_ = 1;
- int pstate_ = 0; /*< Current pstate (index in the speed_per_pstate_)*/
+ unsigned long pstate_ = 0; /*< Current pstate (index in the speed_per_pstate_)*/
std::vector<double> speed_per_pstate_; /*< List of supported CPU capacities (pstate related). Not 'const' because VCPU
get modified on migration */
+ s4u::Host::SharingPolicy sharing_policy_ = s4u::Host::SharingPolicy::LINEAR;
+ s4u::NonLinearResourceCb sharing_policy_cb_;
+
+ void apply_sharing_policy_cfg() const;
public:
/**
* @param host The host in which this Cpu should be plugged
* @param speed_per_pstate Processor speed (in flop per second) for each pstate
*/
- Cpu(s4u::Host* host, const std::vector<double>& speed_per_pstate);
+ CpuImpl(s4u::Host* host, const std::vector<double>& speed_per_pstate);
- Cpu(const Cpu&) = delete;
- Cpu& operator=(const Cpu&) = delete;
+ CpuImpl(const CpuImpl&) = delete;
+ CpuImpl& operator=(const CpuImpl&) = delete;
/** @brief Public interface */
s4u::Host* get_iface() { return piface_; }
- Cpu* set_core_count(int core_count);
+ CpuImpl* set_core_count(int core_count);
virtual int get_core_count();
+ void seal() override;
+
/** @brief Get a forecast of the speed (in flops/s) if the load were as provided.
*
* The provided load should encompasses both the application's activities and the external load that come from a
virtual double get_speed_ratio() { return speed_.scale; }
/** @brief Get the peak processor speed (in flops/s), at the specified pstate */
- virtual double get_pstate_peak_speed(int pstate_index) const;
+ virtual double get_pstate_peak_speed(unsigned long pstate_index) const;
+
+ virtual unsigned long get_pstate_count() const { return speed_per_pstate_.size(); }
+
+ virtual unsigned long get_pstate() const { return pstate_; }
+ virtual CpuImpl* set_pstate(unsigned long pstate_index);
+
+ /*< @brief Setup the profile file with availability events (peak speed changes due to external load).
+ * Profile must contain relative values (ratio between 0 and 1)
+ */
+ virtual CpuImpl* set_speed_profile(profile::Profile* profile);
- virtual int get_pstate_count() const { return speed_per_pstate_.size(); }
+ /**
+ * @brief Set the CPU's speed
+ *
+ * @param speed_per_state list of powers for this processor (default power is at index 0)
+ */
+ CpuImpl* set_pstate_speed(const std::vector<double>& speed_per_state);
- virtual void set_pstate(int pstate_index);
- virtual int get_pstate() const { return pstate_; }
+ void set_sharing_policy(s4u::Host::SharingPolicy policy, const s4u::NonLinearResourceCb& cb);
+ s4u::Host::SharingPolicy get_sharing_policy() const;
- /*< @brief Setup the trace file with availability events (peak speed changes due to external load).
- * Trace must contain relative values (ratio between 0 and 1)
+ /**
+ * @brief Sets factor callback
+ * Implemented only for cas01
*/
- virtual void set_speed_profile(profile::Profile* profile);
+ virtual void set_factor_cb(const std::function<s4u::Host::CpuFactorCb>& cb) { THROW_UNIMPLEMENTED; }
/**
* @brief Execute some quantity of computation
*
* @param size The value of the processing amount (in flop) needed to process
+ * @param user_bound User's bound for execution speed
* @return The CpuAction corresponding to the processing
*/
- virtual CpuAction* execution_start(double size) = 0;
+ virtual CpuAction* execution_start(double size, double user_bound) = 0;
/**
* @brief Execute some quantity of computation on more than one core
*
* @param size The value of the processing amount (in flop) needed to process
* @param requested_cores The desired amount of cores. Must be >= 1
+ * @param user_bound User's bound for execution speed
* @return The CpuAction corresponding to the processing
*/
- virtual CpuAction* execution_start(double size, int requested_cores) = 0;
+ virtual CpuAction* execution_start(double size, int requested_cores, double user_bound) = 0;
/**
* @brief Make a process sleep for duration (in seconds)
* Used to reset a VCPU when its VM migrates to another host, so it only resets the fields that should be in this
*case.
**/
- virtual void reset_vcpu(Cpu* that);
+ virtual void reset_vcpu(CpuImpl* that);
Metric speed_ = {1.0, 0, nullptr};
};
void set_state(Action::State state) override;
void update_remains_lazy(double now) override;
- std::list<Cpu*> cpus() const;
+ std::list<CpuImpl*> cpus() const;
void suspend() override;
void resume() override;
