s4u::Host* host_ = nullptr;
lmm::Constraint* constraint_write_ = nullptr; /* Constraint for maximum write bandwidth*/
lmm::Constraint* constraint_read_ = nullptr; /* Constraint for maximum read bandwidth*/
+ std::unordered_map<s4u::Disk::Operation, s4u::Disk::SharingPolicy> sharing_policy_ = {
+ {s4u::Disk::Operation::READ, s4u::Disk::SharingPolicy::LINEAR},
+ {s4u::Disk::Operation::WRITE, s4u::Disk::SharingPolicy::LINEAR},
+ {s4u::Disk::Operation::READWRITE, s4u::Disk::SharingPolicy::LINEAR}};
+ std::unordered_map<s4u::Disk::Operation, s4u::NonLinearResourceCb> sharing_policy_cb_ = {};
+ std::function<s4u::Disk::IoFactorCb> factor_cb_ = {};
+
+ void apply_sharing_policy_cfg();
protected:
~DiskImpl() override = default; // Disallow direct deletion. Call destroy() instead.
public:
Metric read_bw_ = {0.0, 0, nullptr};
Metric write_bw_ = {0.0, 0, nullptr};
+ double readwrite_bw_ = -1; /* readwrite constraint bound, usually max(read, write) */
explicit DiskImpl(const std::string& name, double read_bandwidth, double write_bandwidth);
DiskImpl(const DiskImpl&) = delete;
virtual void set_write_bandwidth(double write_bw) = 0;
double get_write_bandwidth() const { return write_bw_.peak * write_bw_.scale; }
+ virtual void set_readwrite_bandwidth(double bw) = 0;
+
DiskImpl* set_read_constraint(lmm::Constraint* constraint_read);
lmm::Constraint* get_read_constraint() const { return constraint_read_; }
DiskImpl* set_read_bandwidth_profile(profile::Profile* profile);
DiskImpl* set_write_bandwidth_profile(profile::Profile* profile);
- /** @brief Check if the Disk is used (if an action currently uses its resources) */
- bool is_used() const override;
+ void set_sharing_policy(s4u::Disk::Operation op, s4u::Disk::SharingPolicy policy, const s4u::NonLinearResourceCb& cb);
+ s4u::Disk::SharingPolicy get_sharing_policy(s4u::Disk::Operation op) const;
+
+ void set_factor_cb(const std::function<s4u::Disk::IoFactorCb>& cb);
+ const std::function<s4u::Disk::IoFactorCb>& get_factor_cb() const { return factor_cb_; }
+
void turn_on() override;
void turn_off() override;
using Action::Action;
void set_state(simgrid::kernel::resource::Action::State state) override;
-
- double sharing_penalty_ = {};
};
} // namespace resource