* Resource *
************/
class DiskImpl : public Resource_T<DiskImpl>, public xbt::PropertyHolder {
- s4u::Host* host_ = nullptr;
s4u::Disk piface_;
- double read_bw_ = -1.0;
- double write_bw_ = 1.0;
+ s4u::Host* host_ = nullptr;
lmm::Constraint* constraint_write_ = nullptr; /* Constraint for maximum write bandwidth*/
- lmm::Constraint* constraint_read_ = nullptr; /* Constraint for maximum read 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_ = {};
+
+ void apply_sharing_policy_cfg();
protected:
~DiskImpl() override = default; // Disallow direct deletion. Call destroy() instead.
public:
- DiskImpl(const std::string& name, double read_bandwidth, double write_bandwidth)
- : Resource_T(name), piface_(this), read_bw_(read_bandwidth), write_bw_(write_bandwidth)
- {
- }
+ Metric read_bw_ = {0.0, 0, nullptr};
+ Metric write_bw_ = {0.0, 0, nullptr};
+
+ explicit DiskImpl(const std::string& name, double read_bandwidth, double write_bandwidth);
DiskImpl(const DiskImpl&) = delete;
DiskImpl& operator=(const DiskImpl&) = delete;
DiskImpl* set_host(s4u::Host* host);
s4u::Host* get_host() const { return host_; }
- DiskImpl* set_read_bandwidth(double read_bw);
- double get_read_bandwidth() const { return read_bw_; }
+ virtual void set_read_bandwidth(double read_bw) = 0;
+ double get_read_bandwidth() const { return read_bw_.peak * read_bw_.scale; }
- DiskImpl* set_write_bandwidth(double write_bw);
- double get_write_bandwidth() const { return write_bw_; }
+ virtual void set_write_bandwidth(double write_bw) = 0;
+ double get_write_bandwidth() const { return write_bw_.peak * write_bw_.scale; }
DiskImpl* set_read_constraint(lmm::Constraint* constraint_read);
lmm::Constraint* get_read_constraint() const { return constraint_read_; }
DiskImpl* set_write_constraint(lmm::Constraint* constraint_write);
lmm::Constraint* get_write_constraint() const { return constraint_write_; }
+ DiskImpl* set_read_bandwidth_profile(profile::Profile* profile);
+ DiskImpl* set_write_bandwidth_profile(profile::Profile* profile);
+
+ 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;
+
/** @brief Check if the Disk is used (if an action currently uses its resources) */
bool is_used() const override;
- void apply_event(profile::Event* event, double value) override;
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