1 /* Copyright (c) 2004-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "xbt/dynar.h"
13 #include "xbt/graph.h"
15 #include "xbt/config.h"
16 #include "src/portable.h"
17 #include "surf/surf_routing.h"
18 #include "surf/datatypes.h"
20 #include "surf/surf_routing.h"
21 #include "simgrid/platf_interface.h"
22 #include "simgrid/datatypes.h"
23 #include "simgrid/plugins.h"
24 #include "simgrid/forward.h"
27 /* Actions and models are highly connected structures... */
29 /* user-visible parameters */
30 extern XBT_PRIVATE double sg_tcp_gamma;
31 extern XBT_PRIVATE double sg_sender_gap;
32 extern XBT_PRIVATE double sg_latency_factor;
33 extern XBT_PRIVATE double sg_bandwidth_factor;
34 extern XBT_PRIVATE double sg_weight_S_parameter;
35 extern XBT_PRIVATE int sg_network_crosstraffic;
36 extern XBT_PRIVATE xbt_dynar_t surf_path;
39 SURF_NETWORK_ELEMENT_NULL = 0, /* NULL */
40 SURF_NETWORK_ELEMENT_HOST, /* host type */
41 SURF_NETWORK_ELEMENT_ROUTER, /* router type */
42 SURF_NETWORK_ELEMENT_AS /* AS type */
43 } e_surf_network_element_type_t;
60 class NetworkCm02Link;
63 class StorageActionLmm;
70 typedef simgrid::surf::Model surf_Model;
71 typedef simgrid::surf::CpuModel surf_CpuModel;
72 typedef simgrid::surf::HostModel surf_HostModel;
73 typedef simgrid::surf::VMModel surf_VMModel;
74 typedef simgrid::surf::NetworkModel surf_NetworkModel;
75 typedef simgrid::surf::StorageModel surf_StorageModel;
76 typedef simgrid::surf::Resource surf_Resource;
77 typedef simgrid::surf::ResourceLmm surf_ResourceLmm;
78 typedef simgrid::surf::Host surf_Host;
79 typedef simgrid::surf::HostCLM03 surf_HostCLM03;
80 typedef simgrid::surf::NetworkCm02Link surf_NetworkCm02Link;
81 typedef simgrid::surf::Action surf_Action;
82 typedef simgrid::surf::ActionLmm surf_ActionLmm;
83 typedef simgrid::surf::StorageActionLmm surf_StorageActionLmm;
84 typedef simgrid::surf::RoutingPlatf surf_RoutingPlatf;
88 typedef struct surf_Model surf_Model;
89 typedef struct surf_CpuModel surf_CpuModel;
90 typedef struct surf_HostModel surf_HostModel;
91 typedef struct surf_VMModel surf_VMModel;
92 typedef struct surf_NetworkModel surf_NetworkModel;
93 typedef struct surf_StorageModel surf_StorageModel;
94 typedef struct surf_Resource surf_Resource;
95 typedef struct surf_ResourceLmm surf_ResourceLmm;
96 typedef struct surf_HostCLM03 surf_HostCLM03;
97 typedef struct surf_Host surf_Host;
98 typedef struct surf_NetworkCm02Link surf_NetworkCm02Link;
99 typedef struct surf_Action surf_Action;
100 typedef struct surf_ActionLmm surf_ActionLmm;
101 typedef struct surf_StorageActionLmm surf_StorageActionLmm;
102 typedef struct surf_RoutingPlatf surf_RoutingPlatf;
106 /** @ingroup SURF_c_bindings
107 * \brief Model datatype
109 * Generic data structure for a model. The hosts,
110 * the CPUs and the network links are examples of models.
112 typedef surf_Model *surf_model_t;
113 typedef surf_CpuModel *surf_cpu_model_t;
114 typedef surf_HostModel *surf_host_model_t;
115 typedef surf_VMModel *surf_vm_model_t;
116 typedef surf_NetworkModel *surf_network_model_t;
117 typedef surf_StorageModel *surf_storage_model_t;
119 typedef xbt_dictelm_t surf_resource_t;
120 typedef surf_Resource *surf_cpp_resource_t;
121 typedef surf_Host *surf_host_t;
122 typedef surf_Cpu *surf_cpu_t;
124 /** @ingroup SURF_c_bindings
125 * \brief Action structure
127 * Never create s_surf_action_t by yourself ! The actions are created
128 * on the fly when you call execute or communicate on a model.
130 * \see e_surf_action_state_t
132 typedef surf_Action *surf_action_t;
133 typedef surf_RoutingPlatf *routing_platf_t;
135 typedef struct surf_file *surf_file_t;
137 XBT_PUBLIC(e_surf_network_element_type_t)
138 routing_get_network_element_type(const char* name);
140 /** @Brief Specify that we use that action */
141 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
143 /** @brief Creates a new action.
145 * @param size The size is the one of the subtype you want to create
146 * @param cost initial value
147 * @param model to which model we should attach this action
148 * @param failed whether we should start this action in failed mode
150 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
151 surf_model_t model, int failed);
153 /** \brief Resource model description
155 typedef struct surf_model_description {
157 const char *description;
158 void_f_void_t model_init_preparse;
159 } s_surf_model_description_t, *surf_model_description_t;
161 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
163 XBT_PUBLIC(void) model_help(const char *category,
164 s_surf_model_description_t * table);
166 /** @ingroup SURF_interface
167 * @brief Action states
172 SURF_ACTION_READY = 0, /**< Ready */
173 SURF_ACTION_RUNNING, /**< Running */
174 SURF_ACTION_FAILED, /**< Task Failure */
175 SURF_ACTION_DONE, /**< Completed */
176 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
177 SURF_ACTION_NOT_IN_THE_SYSTEM /**< Not in the system anymore. Why did you ask ? */
178 } e_surf_action_state_t;
180 /** @ingroup SURF_vm_interface
184 /* FIXME: Where should the VM state be defined? */
186 SURF_VM_STATE_CREATED, /**< created, but not yet started */
187 SURF_VM_STATE_RUNNING,
188 SURF_VM_STATE_SUSPENDED, /**< Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
190 SURF_VM_STATE_SAVING, /**< Save/restore involves disk I/O, so there should be transition states. */
192 SURF_VM_STATE_RESTORING,
195 /***************************/
196 /* Generic model object */
197 /***************************/
199 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
201 XBT_PUBLIC(surf_host_t) surf_host_resource_priv(sg_host_t host);
203 static inline void *surf_storage_resource_priv(const void *storage){
204 return (void*)xbt_lib_get_level((xbt_dictelm_t)storage, SURF_STORAGE_LEVEL);
207 static inline void *surf_storage_resource_by_name(const char *name){
208 return xbt_lib_get_elm_or_null(storage_lib, name);
211 /** @{ @ingroup SURF_c_bindings */
214 * @brief Pop an action from the done actions set
216 * @param model The model from which the action is extracted
217 * @return An action in done state
219 XBT_PUBLIC(surf_action_t) surf_model_extract_done_action_set(surf_model_t model);
222 * @brief Pop an action from the failed actions set
224 * @param model The model from which the action is extracted
225 * @return An action in failed state
227 XBT_PUBLIC(surf_action_t) surf_model_extract_failed_action_set(surf_model_t model);
230 * @brief Pop an action from the ready actions set
232 * @param model The model from which the action is extracted
233 * @return An action in ready state
235 XBT_PUBLIC(surf_action_t) surf_model_extract_ready_action_set(surf_model_t model);
238 * @brief Pop an action from the running actions set
240 * @param model The model from which the action is extracted
241 * @return An action in running state
243 XBT_PUBLIC(surf_action_t) surf_model_extract_running_action_set(surf_model_t model);
246 * @brief Get the size of the running action set of a model
248 * @param model The model
249 * @return The size of the running action set
251 XBT_PUBLIC(int) surf_model_running_action_set_size(surf_model_t model);
254 * @brief Execute a parallel task
255 * @details [long description]
257 * @param model The model which handle the parallelisation
258 * @param host_nb The number of hosts
259 * @param host_list The list of hosts on which the task is executed
260 * @param flops_amount The processing amount (in flop) needed to process
261 * @param bytes_amount The amount of data (in bytes) needed to transfer
262 * @param rate [description]
263 * @return The action corresponding to the parallele execution task
265 XBT_PUBLIC(surf_action_t) surf_host_model_execute_parallel_task(surf_host_model_t model,
267 sg_host_t *host_list,
268 double *flops_amount,
269 double *bytes_amount,
272 /** @brief Get the route (dynar of sg_link_t) between two hosts */
273 XBT_PUBLIC(xbt_dynar_t) surf_host_model_get_route(
274 surf_host_model_t model, sg_host_t src, sg_host_t dst);
276 /** @brief Create a new VM on the specified host */
277 XBT_PUBLIC(void) surf_vm_model_create(const char *name, sg_host_t host_PM);
279 /** @brief Create a communication between two hosts
281 * @param model The model which handle the communication
282 * @param src The source host
283 * @param dst The destination host
284 * @param size The amount of data (in bytes) needed to transfer
285 * @param rate [description]
286 * @return The action corresponding to the communication
288 XBT_PUBLIC(surf_action_t) surf_network_model_communicate(surf_network_model_t model, sg_host_t src, sg_host_t dst, double size, double rate);
291 * @brief Get the name of a surf resource (cpu, host, network, …)
293 * @param resource The surf resource
294 * @return The name of the surf resource
296 XBT_PUBLIC(const char * ) surf_resource_name(surf_cpp_resource_t resource);
297 static inline const char * surf_cpu_name(surf_cpu_t cpu) {
298 return surf_resource_name((surf_cpp_resource_t)cpu);
301 /** @brief Get the properties of an host */
302 XBT_PUBLIC(xbt_dict_t) sg_host_get_properties(sg_host_t host);
305 /** @brief Get the state of a surf resource (cpu, host, network, …) */
306 XBT_PUBLIC(int) surf_resource_is_on(surf_cpp_resource_t resource);
307 /** @brief Get the state of a surf resource (cpu, host, network, …) */
308 XBT_PUBLIC(int) surf_resource_is_off(surf_cpp_resource_t resource);
310 /** @brief Set the state of a surf resource (cpu, host, network, …) */
311 XBT_PUBLIC(void) surf_resource_turn_on(surf_cpp_resource_t resource);
312 /** @brief Set the state of a surf resource (cpu, host, network, …) */
313 XBT_PUBLIC(void) surf_resource_turn_off(surf_cpp_resource_t resource);
314 static inline void surf_host_turn_on(surf_host_t host) {
315 surf_resource_turn_on((surf_cpp_resource_t)host);
317 static inline void surf_host_turn_off(surf_host_t host) {
318 surf_resource_turn_off((surf_cpp_resource_t)host);
321 /** @brief Get the available speed of cpu associated to a host */
322 XBT_PUBLIC(double) surf_host_get_available_speed(sg_host_t host);
324 /** @brief Create a computation action on the given host */
325 XBT_PUBLIC(surf_action_t) surf_host_execute(sg_host_t host, double size);
327 /** @brief Create a sleep action on the given host */
328 XBT_PUBLIC(surf_action_t) surf_host_sleep(sg_host_t host, double duration);
330 /** @brief Create a file opening action on the given host */
331 XBT_PUBLIC(surf_action_t) surf_host_open(sg_host_t host, const char* fullpath);
333 /** @brief Create a file closing action on the given host */
334 XBT_PUBLIC(surf_action_t) surf_host_close(sg_host_t host, surf_file_t fd);
336 /** @brief Create a file reading action on the given host */
337 XBT_PUBLIC(surf_action_t) surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size);
339 /** @brief Create a file writing action on the given host */
340 XBT_PUBLIC(surf_action_t) surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size);
343 * @brief Get the informations of a file descriptor
344 * @details The returned xbt_dynar_t contains:
345 * - the size of the file,
347 * - the storage name,
348 * - the storage typeId,
349 * - the storage content type
351 * @param host The surf host
352 * @param fd The file descriptor
353 * @return An xbt_dynar_t with the file informations
355 XBT_PUBLIC(xbt_dynar_t) surf_host_get_info(sg_host_t host, surf_file_t fd);
358 * @brief Get the available space of the storage at the mount point
360 * @param resource The surf host
361 * @param name The mount point
362 * @return The amount of available space in bytes
364 XBT_PUBLIC(sg_size_t) surf_host_get_free_size(sg_host_t resource, const char* name);
367 * @brief Get the used space of the storage at the mount point
369 * @param resource The surf host
370 * @param name The mount point
371 * @return The amount of used space in bytes
373 XBT_PUBLIC(sg_size_t) surf_host_get_used_size(sg_host_t resource, const char* name);
375 /** @brief Get the list of VMs hosted on the host */
376 XBT_PUBLIC(xbt_dynar_t) surf_host_get_vms(sg_host_t resource);
378 /** @brief Retrieve the params of that VM
379 * @details You can use fields ramsize and overcommit on a PM, too.
381 XBT_PUBLIC(void) surf_host_get_params(sg_host_t resource, vm_params_t params);
383 /** @brief Sets the params of that VM/PM
384 * @details You can use fields ramsize and overcommit on a PM, too.
386 XBT_PUBLIC(void) surf_host_set_params(sg_host_t resource, vm_params_t params);
389 * @brief Destroy a VM
391 * @param resource The surf vm
393 XBT_PUBLIC(void) surf_vm_destroy(sg_host_t resource);
395 /** @brief Suspend a VM */
396 XBT_PUBLIC(void) surf_vm_suspend(sg_host_t resource);
398 /** @brief Resume a VM */
399 XBT_PUBLIC(void) surf_vm_resume(sg_host_t resource);
402 * @brief Save the VM (Not yet implemented)
404 * @param resource The surf vm
406 XBT_PUBLIC(void) surf_vm_save(sg_host_t resource);
409 * @brief Restore the VM (Not yet implemented)
411 * @param resource The surf vm
413 XBT_PUBLIC(void) surf_vm_restore(sg_host_t resource);
416 * @brief Migrate the VM to the destination host
418 * @param resource The surf vm
419 * @param ind_vm_ws_dest The destination host
421 XBT_PUBLIC(void) surf_vm_migrate(sg_host_t resource, sg_host_t ind_vm_ws_dest);
424 * @brief Get the physical machine hosting the VM
426 * @param resource The surf vm
427 * @return The physical machine hosting the VM
429 XBT_PUBLIC(sg_host_t) surf_vm_get_pm(sg_host_t resource);
432 * @brief [brief description]
433 * @details [long description]
435 * @param resource [description]
436 * @param bound [description]
438 XBT_PUBLIC(void) surf_vm_set_bound(sg_host_t resource, double bound);
441 * @brief [brief description]
442 * @details [long description]
444 * @param resource [description]
445 * @param cpu [description]
446 * @param mask [description]
448 XBT_PUBLIC(void) surf_vm_set_affinity(sg_host_t resource, sg_host_t cpu, unsigned long mask);
451 * @brief Get the host power peak
452 * @details [long description]
454 * @param host The surf host
455 * @return The power peak
457 XBT_PUBLIC(double) surf_host_get_current_power_peak(sg_host_t host);
460 * @brief [brief description]
461 * @details [long description]
463 * @param host [description]
464 * @param pstate_index [description]
466 * @return [description]
468 XBT_PUBLIC(double) surf_host_get_power_peak_at(sg_host_t host, int pstate_index);
471 * @brief [brief description]
472 * @details [long description]
474 * @param host [description]
475 * @return [description]
477 XBT_PUBLIC(int) surf_host_get_nb_pstates(sg_host_t host);
479 XBT_PUBLIC(void) surf_host_set_pstate(sg_host_t host, int pstate_index);
480 XBT_PUBLIC(int) surf_host_get_pstate(sg_host_t host);
481 XBT_PUBLIC(double) surf_host_get_wattmin_at(sg_host_t resource, int pstate);
482 XBT_PUBLIC(double) surf_host_get_wattmax_at(sg_host_t resource, int pstate);
485 * @brief Get the consumed energy (in joules) of an host
487 * @param host The surf host
488 * @return The consumed energy
490 XBT_PUBLIC(double) surf_host_get_consumed_energy(sg_host_t host);
493 * @brief Get the list of storages mounted on an host
495 * @param host The surf host
496 * @return Dictionary of mount point, Storage
498 XBT_PUBLIC(xbt_dict_t) surf_host_get_mounted_storage_list(sg_host_t host);
501 * @brief Get the list of storages attached to an host
503 * @param host The surf host
504 * @return Dictionary of storage
506 XBT_PUBLIC(xbt_dynar_t) surf_host_get_attached_storage_list(sg_host_t host);
509 * @brief Unlink a file descriptor
511 * @param host The surf host
512 * @param fd The file descriptor
514 * @return 0 if failed to unlink, 1 otherwise
516 XBT_PUBLIC(int) surf_host_unlink(sg_host_t host, surf_file_t fd);
519 * @brief Get the size of a file on a host
521 * @param host The surf host
522 * @param fd The file descriptor
524 * @return The size in bytes of the file
526 XBT_PUBLIC(size_t) surf_host_get_size(sg_host_t host, surf_file_t fd);
529 * @brief Get the current position of the file descriptor
531 * @param host The surf host
532 * @param fd The file descriptor
533 * @return The current position of the file descriptor
535 XBT_PUBLIC(size_t) surf_host_file_tell(sg_host_t host, surf_file_t fd);
538 * @brief Move a file to another location on the *same mount point*.
539 * @details [long description]
541 * @param host The surf host
542 * @param fd The file descriptor
543 * @param fullpath The new full path
545 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
547 XBT_PUBLIC(int) surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath);
550 * @brief Set the position indictator assiociated with the file descriptor to a new position
551 * @details [long description]
553 * @param host The surf host
554 * @param fd The file descriptor
555 * @param offset The offset from the origin
556 * @param origin Position used as a reference for the offset
557 * - SEEK_SET: beginning of the file
558 * - SEEK_CUR: current position indicator
559 * - SEEK_END: end of the file
560 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
562 XBT_PUBLIC(int) surf_host_file_seek(sg_host_t host,
563 surf_file_t fd, sg_offset_t offset,
567 * @brief Get the content of a storage
569 * @param resource The surf storage
570 * @return A xbt_dict_t with path as keys and size in bytes as values
572 XBT_PUBLIC(xbt_dict_t) surf_storage_get_content(surf_resource_t resource);
575 * @brief Get the size in bytes of a storage
577 * @param resource The surf storage
578 * @return The size in bytes of the storage
580 XBT_PUBLIC(sg_size_t) surf_storage_get_size(surf_resource_t resource);
583 * @brief Get the available size in bytes of a storage
585 * @param resource The surf storage
586 * @return The available size in bytes of the storage
588 XBT_PUBLIC(sg_size_t) surf_storage_get_free_size(surf_resource_t resource);
591 * @brief Get the size in bytes of a storage
593 * @param resource The surf storage
594 * @return The used size in bytes of the storage
596 XBT_PUBLIC(sg_size_t) surf_storage_get_used_size(surf_resource_t resource);
598 /** @brief return the properties set associated to that storage */
599 XBT_PUBLIC(xbt_dict_t) surf_storage_get_properties(surf_resource_t resource);
602 * @brief Get the data associated to the action
604 * @param action The surf action
605 * @return The data associated to the action
607 XBT_PUBLIC(void*) surf_action_get_data(surf_action_t action);
610 * @brief Set the data associated to the action
611 * @details [long description]
613 * @param action The surf action
614 * @param data The new data associated to the action
616 XBT_PUBLIC(void) surf_action_set_data(surf_action_t action, void *data);
619 * @brief Get the start time of an action
621 * @param action The surf action
622 * @return The start time in seconds from the beginning of the simulation
624 XBT_PUBLIC(double) surf_action_get_start_time(surf_action_t action);
627 * @brief Get the finish time of an action
629 * @param action The surf action
630 * @return The finish time in seconds from the beginning of the simulation
632 XBT_PUBLIC(double) surf_action_get_finish_time(surf_action_t action);
635 * @brief Get the remains amount of work to do of an action
637 * @param action The surf action
638 * @return The remains amount of work to do
640 XBT_PUBLIC(double) surf_action_get_remains(surf_action_t action);
643 * @brief Suspend an action
645 * @param action The surf action
647 XBT_PUBLIC(void) surf_action_suspend(surf_action_t action);
650 * @brief Resume an action
652 * @param action The surf action
654 XBT_PUBLIC(void) surf_action_resume(surf_action_t action);
657 * @brief Cancel an action
659 * @param action The surf action
661 XBT_PUBLIC(void) surf_action_cancel(surf_action_t action);
664 * @brief Set the priority of an action
665 * @details [long description]
667 * @param action The surf action
668 * @param priority The new priority [TODO]
670 XBT_PUBLIC(void) surf_action_set_priority(surf_action_t action, double priority);
673 * @brief Set the category of an action
674 * @details [long description]
676 * @param action The surf action
677 * @param category The new category of the action
679 XBT_PUBLIC(void) surf_action_set_category(surf_action_t action, const char *category);
682 * @brief Get the state of an action
684 * @param action The surf action
685 * @return The state of the action
687 XBT_PUBLIC(e_surf_action_state_t) surf_action_get_state(surf_action_t action);
690 * @brief Get the cost of an action
692 * @param action The surf action
693 * @return The cost of the action
695 XBT_PUBLIC(double) surf_action_get_cost(surf_action_t action);
698 * @brief [brief desrciption]
699 * @details [long description]
701 * @param action The surf cpu action
702 * @param cpu [description]
703 * @param mask [description]
705 XBT_PUBLIC(void) surf_cpu_action_set_affinity(surf_action_t action, sg_host_t cpu, unsigned long mask);
708 * @brief [brief description]
709 * @details [long description]
711 * @param action The surf cpu action
712 * @param bound [description]
714 XBT_PUBLIC(void) surf_cpu_action_set_bound(surf_action_t action, double bound);
717 * @brief [brief description]
718 * @details [long description]
720 * @param action The surf network action
722 XBT_PUBLIC(double) surf_network_action_get_latency_limited(surf_action_t action);
725 * @brief Get the file associated to a storage action
727 * @param action The surf storage action
728 * @return The file associated to a storage action
730 XBT_PUBLIC(surf_file_t) surf_storage_action_get_file(surf_action_t action);
733 * @brief Get the result dictionary of an ls action
735 * @param action The surf storage action
736 * @return The dictionry listing a path
738 XBT_PUBLIC(xbt_dict_t) surf_storage_action_get_ls_dict(surf_action_t action);
742 * @brief Get the host the storage is attached to
744 * @param resource The surf storage
745 * @return The host name
748 XBT_PUBLIC(const char * ) surf_storage_get_host(surf_resource_t resource);
750 XBT_PUBLIC(surf_host_model_t) surf_host_get_model(sg_host_t host);
754 /**************************************/
755 /* Implementations of model object */
756 /**************************************/
758 XBT_PUBLIC_DATA(int) autoload_surf_cpu_model;
759 XBT_PUBLIC_DATA(void_f_void_t) surf_cpu_model_init_preparse;
761 /** \ingroup SURF_models
762 * \brief The CPU model object for the physical machine layer
764 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_pm;
766 /** \ingroup SURF_models
767 * \brief The CPU model object for the virtual machine layer
769 XBT_PUBLIC_DATA(surf_cpu_model_t) surf_cpu_model_vm;
772 /** \ingroup SURF_models
773 * \brief Initializes the CPU model with the model Cas01
775 * By default, this model uses the lazy optimization mechanism that
776 * relies on partial invalidation in LMM and a heap for lazy action update.
777 * You can change this behavior by setting the cpu/optim configuration
778 * variable to a different value.
780 * You shouldn't have to call it by yourself.
782 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
784 /** \ingroup SURF_models
785 * \brief Initializes the CPU model with trace integration [Deprecated]
787 * You shouldn't have to call it by yourself.
789 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
791 /** \ingroup SURF_models
792 * \brief The list of all available optimization modes (both for cpu and networks).
793 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
795 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
797 /** \ingroup SURF_plugins
798 * \brief The list of all available surf plugins
800 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_plugin_description[];
802 /** \ingroup SURF_models
803 * \brief The list of all available cpu model models
805 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
807 /**\brief create new host bypass the parser
812 /** \ingroup SURF_models
813 * \brief The network model
815 * When creating a new API on top on SURF, you shouldn't use the
816 * network model unless you know what you are doing. Only the host
817 * model should be accessed because depending on the platform model,
818 * the network model can be NULL.
820 XBT_PUBLIC_DATA(surf_network_model_t) surf_network_model;
822 /** \ingroup SURF_models
823 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
825 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
826 * based on the model 'LV08' and different correction factors depending on the communication
827 * size (< 1KiB, < 64KiB, >= 64KiB).
828 * See comments in the code for more information.
830 * \see surf_host_model_init_SMPI()
832 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
834 /** \ingroup SURF_models
835 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
837 * This model impelments a variant of the contention model on Infinband networks based on
838 * the works of Jérôme Vienne : http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf
840 * \see surf_host_model_init_IB()
842 XBT_PUBLIC(void) surf_network_model_init_IB(void);
844 /** \ingroup SURF_models
845 * \brief Initializes the platform with the network model 'LegrandVelho'
847 * This model is proposed by Arnaud Legrand and Pedro Velho based on
848 * the results obtained with the GTNets simulator for onelink and
849 * dogbone sharing scenarios. See comments in the code for more information.
851 * \see surf_host_model_init_LegrandVelho()
853 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
855 /** \ingroup SURF_models
856 * \brief Initializes the platform with the network model 'Constant'
858 * In this model, the communication time between two network cards is
859 * constant, hence no need for a routing table. This is particularly
860 * usefull when simulating huge distributed algorithms where
861 * scalability is really an issue. This function is called in
862 * conjunction with surf_host_model_init_compound.
864 * \see surf_host_model_init_compound()
866 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
868 /** \ingroup SURF_models
869 * \brief Initializes the platform with the network model CM02
871 * You sould call this function by yourself only if you plan using
872 * surf_host_model_init_compound.
873 * See comments in the code for more information.
875 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
878 /** \ingroup SURF_models
879 * \brief Initializes the platform with the network model NS3
881 * This function is called by surf_host_model_init_NS3
882 * or by yourself only if you plan using surf_host_model_init_compound
884 * \see surf_host_model_init_NS3()
886 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
889 /** \ingroup SURF_models
890 * \brief Initializes the platform with the network model Reno
892 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
895 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
896 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
898 * Call this function only if you plan using surf_host_model_init_compound.
901 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
903 /** \ingroup SURF_models
904 * \brief Initializes the platform with the network model Reno2
906 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
909 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
910 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
912 * Call this function only if you plan using surf_host_model_init_compound.
915 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
917 /** \ingroup SURF_models
918 * \brief Initializes the platform with the network model Vegas
920 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
921 * to the proportional fairness.
924 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
925 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
927 * Call this function only if you plan using surf_host_model_init_compound.
930 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
932 /** \ingroup SURF_models
933 * \brief The list of all available network model models
935 XBT_PUBLIC_DATA(s_surf_model_description_t)
936 surf_network_model_description[];
938 /** \ingroup SURF_models
939 * \brief The storage model
941 XBT_PUBLIC(void) surf_storage_model_init_default(void);
943 /** \ingroup SURF_models
944 * \brief The list of all available storage modes.
945 * This storage mode can be set using --cfg=storage/model:...
947 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
949 XBT_PUBLIC_DATA(surf_storage_model_t) surf_storage_model;
951 /** \ingroup SURF_models
952 * \brief The host model
954 * Note that when you create an API on top of SURF,
955 * the host model should be the only one you use
956 * because depending on the platform model, the network model and the CPU model
959 XBT_PUBLIC_DATA(surf_host_model_t) surf_host_model;
961 /** \ingroup SURF_models
962 * \brief The vm model
964 * Note that when you create an API on top of SURF,
965 * the vm model should be the only one you use
966 * because depending on the platform model, the network model and the CPU model
969 XBT_PUBLIC_DATA(surf_vm_model_t) surf_vm_model;
971 /** \ingroup SURF_models
972 * \brief Initializes the platform with a compound host model
974 * This function should be called after a cpu_model and a
975 * network_model have been set up.
978 XBT_PUBLIC(void) surf_host_model_init_compound(void);
980 /** \ingroup SURF_models
981 * \brief Initializes the platform with the current best network and cpu models at hand
983 * This platform model separates the host model and the network model.
984 * The host model will be initialized with the model compound, the network
985 * model with the model LV08 (with cross traffic support) and the CPU model with
987 * Such model is subject to modification with warning in the ChangeLog so monitor it!
990 XBT_PUBLIC(void) surf_host_model_init_current_default(void);
992 /** \ingroup SURF_models
993 * \brief Initializes the platform with the model L07
995 * With this model, only parallel tasks can be used. Resource sharing
996 * is done by identifying bottlenecks and giving an equal share of
997 * the model to each action.
1000 XBT_PUBLIC(void) surf_host_model_init_ptask_L07(void);
1002 /** \ingroup SURF_models
1003 * \brief The list of all available host model models
1005 XBT_PUBLIC_DATA(s_surf_model_description_t)
1006 surf_host_model_description[];
1008 /** \ingroup SURF_models
1009 * \brief Initializes the platform with the current best network and cpu models at hand
1011 * This platform model seperates the host model and the network model.
1012 * The host model will be initialized with the model compound, the network
1013 * model with the model LV08 (with cross traffic support) and the CPU model with
1015 * Such model is subject to modification with warning in the ChangeLog so monitor it!
1018 XBT_PUBLIC(void) surf_vm_model_init_HL13(void);
1020 /** \ingroup SURF_models
1021 * \brief The list of all available vm model models
1023 XBT_PUBLIC_DATA(s_surf_model_description_t)
1024 surf_vm_model_description[];
1026 /*******************************************/
1028 /** \ingroup SURF_models
1029 * \brief List of initialized models
1031 XBT_PUBLIC_DATA(xbt_dynar_t) all_existing_models;
1033 /** \ingroup SURF_simulation
1034 * \brief List of hosts that have just restarted and whose autorestart process should be restarted.
1036 XBT_PUBLIC_DATA(xbt_dynar_t) host_that_restart;
1038 /** \ingroup SURF_simulation
1039 * \brief List of hosts for which one want to be notified if they ever restart.
1041 XBT_PUBLIC_DATA(xbt_dict_t) watched_hosts_lib;
1043 /*******************************************/
1044 /*** SURF Platform *************************/
1045 /*******************************************/
1046 XBT_PUBLIC_DATA(AS_t) surf_AS_get_routing_root(void);
1047 XBT_PUBLIC_DATA(const char *) surf_AS_get_name(AS_t as);
1048 XBT_PUBLIC_DATA(AS_t) surf_AS_get_by_name(const char * name);
1049 XBT_PUBLIC_DATA(xbt_dict_t) surf_AS_get_routing_sons(AS_t as);
1050 XBT_PUBLIC_DATA(const char *) surf_AS_get_model(AS_t as);
1051 XBT_PUBLIC_DATA(xbt_dynar_t) surf_AS_get_hosts(AS_t as);
1052 XBT_PUBLIC_DATA(void) surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges);
1053 XBT_PUBLIC_DATA(AS_t) surf_platf_get_root(routing_platf_t platf);
1054 XBT_PUBLIC_DATA(e_surf_network_element_type_t) surf_routing_edge_get_rc_type(sg_netcard_t edge);
1056 /*******************************************/
1057 /*** SURF Globals **************************/
1058 /*******************************************/
1060 /** \ingroup SURF_simulation
1061 * \brief Initialize SURF
1062 * \param argc argument number
1063 * \param argv arguments
1065 * This function has to be called to initialize the common
1066 * structures. Then you will have to create the environment by
1068 * e.g. surf_host_model_init_CM02()
1070 * \see surf_host_model_init_CM02(), surf_host_model_init_compound(), surf_exit()
1072 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
1074 /** \ingroup SURF_simulation
1075 * \brief Finish simulation initialization
1077 * This function must be called before the first call to surf_solve()
1079 XBT_PUBLIC(void) surf_presolve(void);
1081 /** \ingroup SURF_simulation
1082 * \brief Performs a part of the simulation
1083 * \param max_date Maximum date to update the simulation to, or -1
1084 * \return the elapsed time, or -1.0 if no event could be executed
1086 * This function execute all possible events, update the action states
1087 * and returns the time elapsed.
1088 * When you call execute or communicate on a model, the corresponding actions
1089 * are not executed immediately but only when you call surf_solve.
1090 * Note that the returned elapsed time can be zero.
1092 XBT_PUBLIC(double) surf_solve(double max_date);
1094 /** \ingroup SURF_simulation
1095 * \brief Return the current time
1097 * Return the current time in millisecond.
1099 XBT_PUBLIC(double) surf_get_clock(void);
1101 /** \ingroup SURF_simulation
1108 XBT_PUBLIC(void) surf_exit(void);
1110 /* Prototypes of the functions that handle the properties */
1111 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
1113 /* The same for model_prop set*/
1114 XBT_PUBLIC_DATA(xbt_dict_t) current_model_property_set;
1116 /* surf parse file related (public because called from a test suite) */
1117 XBT_PUBLIC(void) parse_platform_file(const char *file);
1119 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
1120 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
1121 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
1122 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
1123 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
1124 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
1125 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
1128 XBT_PUBLIC(double) get_cpu_speed(const char *power);
1130 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
1132 int surf_get_nthreads(void);
1133 void surf_set_nthreads(int nthreads);
1136 * Returns the initial path. On Windows the initial path is
1137 * the current directory for the current process in the other
1138 * case the function returns "./" that represents the current
1139 * directory on Unix/Linux platforms.
1141 const char *__surf_get_initial_path(void);
1143 /********** Tracing **********/
1144 /* from surf_instr.c */
1145 void TRACE_surf_action(surf_action_t surf_action, const char *category);
1146 void TRACE_surf_alloc(void);
1147 void TRACE_surf_release(void);
1149 /* instr_routing.c */
1150 void instr_routing_define_callbacks (void);
1151 void instr_new_variable_type (const char *new_typename, const char *color);
1152 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
1153 void instr_new_user_state_type (const char *father_type, const char *new_typename);
1154 void instr_new_value_for_user_state_type (const char *_typename, const char *value, const char *color);
1155 int instr_platform_traced (void);
1156 xbt_graph_t instr_routing_platform_graph (void);
1157 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
1159 /********** Routing **********/
1160 void routing_AS_begin(sg_platf_AS_cbarg_t AS);
1161 void routing_AS_end(void);
1162 surf_NetCard* routing_add_host(surf_As* as, sg_platf_host_cbarg_t host);
1163 void routing_cluster_add_backbone(void* bb);
1164 surf_As* routing_get_current();
1167 #endif /* _SURF_SURF_H */