1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. 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/file_stat.h"
17 #include "xbt/config.h"
18 #include "surf/datatypes.h"
20 #include "surf/surf_routing.h"
21 #include "simgrid/platf_interface.h"
24 /* Actions and models are highly connected structures... */
26 /* user-visible parameters */
27 extern double sg_tcp_gamma;
28 extern double sg_sender_gap;
29 extern double sg_latency_factor;
30 extern double sg_bandwidth_factor;
31 extern double sg_weight_S_parameter;
32 extern int sg_maxmin_selective_update;
33 extern int sg_network_crosstraffic;
35 extern double sg_gtnets_jitter;
36 extern int sg_gtnets_jitter_seed;
38 extern xbt_dynar_t surf_path;
42 SURF_NETWORK_ELEMENT_NULL = 0, /* NULL */
43 SURF_NETWORK_ELEMENT_HOST, /* host type */
44 SURF_NETWORK_ELEMENT_ROUTER, /* router type */
45 SURF_NETWORK_ELEMENT_AS /* AS type */
46 } e_surf_network_element_type_t;
48 XBT_PUBLIC(e_surf_network_element_type_t)
49 routing_get_network_element_type(const char* name);
51 /** @Brief Specify that we use that action */
52 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
54 /** @brief Creates a new action.
56 * @param size The size is the one of the subtype you want to create
57 * @param cost initial value
58 * @param model to which model we should attach this action
59 * @param failed whether we should start this action in failed mode
61 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
62 surf_model_t model, int failed);
64 /** \brief Resource model description
66 typedef struct surf_model_description {
68 const char *description;
69 void_f_void_t model_init_preparse;
70 } s_surf_model_description_t, *surf_model_description_t;
72 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
74 XBT_PUBLIC(void) model_help(const char *category,
75 s_surf_model_description_t * table);
77 enum heap_action_type{
84 /** \ingroup SURF_actions
85 * \brief Action structure
87 * Never create s_surf_action_t by yourself ! The actions are created
88 * on the fly when you call execute or communicate on a model.
90 * \see e_surf_action_state_t
92 typedef struct surf_action {
93 s_xbt_swag_hookup_t state_hookup;
95 double cost; /**< cost */
96 double priority; /**< priority (1.0 by default) */
97 double max_duration; /**< max_duration (may fluctuate until
98 the task is completed) */
99 double remains; /**< How much of that cost remains to
100 * be done in the currently running task */
101 #ifdef HAVE_LATENCY_BOUND_TRACKING
102 int latency_limited; /**< Set to 1 if is limited by latency, 0 otherwise */
105 double start; /**< start time */
106 double finish; /**< finish time : this is modified during the run
107 * and fluctuates until the task is completed */
108 void *data; /**< for your convenience */
110 surf_model_t model_type;
112 char *category; /**< tracing category for categorized resource utilization monitoring */
114 surf_file_t file; /**< surf_file_t for storage model */
115 s_file_stat_t stat; /**< surf_file_t for storage model */
119 typedef struct surf_action_lmm {
120 s_surf_action_t generic_action;
121 lmm_variable_t variable;
123 s_xbt_swag_hookup_t action_list_hookup;
127 enum heap_action_type hat;
128 } s_surf_action_lmm_t, *surf_action_lmm_t;
130 /** \ingroup SURF_actions
131 * \brief Action states
135 * \see surf_action_t, surf_action_state_t
138 SURF_ACTION_READY = 0, /**< Ready */
139 SURF_ACTION_RUNNING, /**< Running */
140 SURF_ACTION_FAILED, /**< Task Failure */
141 SURF_ACTION_DONE, /**< Completed */
142 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
143 SURF_ACTION_NOT_IN_THE_SYSTEM
144 /**< Not in the system anymore. Why did you ask ? */
145 } e_surf_action_state_t;
147 /** \ingroup SURF_actions
148 * \brief Action state sets
150 * This structure contains some sets of actions.
151 * It provides a fast access to the actions in each state.
153 * \see surf_action_t, e_surf_action_state_t
155 typedef struct surf_action_state {
156 xbt_swag_t ready_action_set;
157 /**< Actions in state SURF_ACTION_READY */
158 xbt_swag_t running_action_set;
159 /**< Actions in state SURF_ACTION_RUNNING */
160 xbt_swag_t failed_action_set;
161 /**< Actions in state SURF_ACTION_FAILED */
162 xbt_swag_t done_action_set;
163 /**< Actions in state SURF_ACTION_DONE */
164 } s_surf_action_state_t, *surf_action_state_t;
166 /***************************/
167 /* Generic model object */
168 /***************************/
169 typedef struct s_routing_platf s_routing_platf_t, *routing_platf_t;
170 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
172 /*******************************************
173 * TUTORIAL: New model
174 * New model extension public
175 * Public functions specific to a New model.
177 typedef struct surf_new_model_extension_public {
178 surf_action_t(*fct) ();
179 void* (*create_resource) ();
180 } s_surf_model_extension_new_model_t;
181 /*******************************************/
183 /** \ingroup SURF_models
184 * \brief Private data available on all models
186 typedef struct surf_model_private *surf_model_private_t;
190 /** \ingroup SURF_models
191 * \brief CPU model extension public
193 * Public functions specific to the CPU model.
195 typedef struct surf_cpu_model_extension_public {
196 surf_action_t(*execute) (void *cpu, double size);
197 surf_action_t(*sleep) (void *cpu, double duration);
198 e_surf_resource_state_t(*get_state) (void *cpu);
199 double (*get_speed) (void *cpu, double load);
200 double (*get_available_speed) (void *cpu);
201 void (*add_traces) (void);
202 } s_surf_model_extension_cpu_t;
206 /** \ingroup SURF_models
207 * \brief Network model extension public
209 * Public functions specific to the network model
211 typedef struct surf_network_model_extension_public {
212 surf_action_t (*communicate) (sg_routing_edge_t src,
213 sg_routing_edge_t dst,
214 double size, double rate);
215 xbt_dynar_t(*get_route) (void *src, void *dst); //FIXME: kill field? That is done by the routing nowadays
216 double (*get_link_bandwidth) (const void *link);
217 double (*get_link_latency) (const void *link);
218 int (*link_shared) (const void *link);
219 void (*add_traces) (void);
220 } s_surf_model_extension_network_t;
224 /** \ingroup SURF_models
225 * \brief Storage model extension public
227 * Public functions specific to the Storage model.
230 typedef struct surf_storage_model_extension_public {
231 surf_action_t(*open) (void *storage, const char* mount, const char* path, const char* mode);
232 surf_action_t(*close) (void *storage, surf_file_t fp);
233 surf_action_t(*read) (void *storage, void* ptr, double size, size_t nmemb, surf_file_t stream);
234 surf_action_t(*write) (void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream);
235 surf_action_t(*stat) (void *storage, surf_file_t stream);
236 surf_action_t(*unlink) (void *storage, surf_file_t stream);
237 surf_action_t(*ls) (void *storage, const char *path);
238 } s_surf_model_extension_storage_t;
240 /** \ingroup SURF_models
241 * \brief Workstation model extension public
243 * Public functions specific to the workstation model.
245 typedef struct surf_workstation_model_extension_public {
246 surf_action_t(*execute) (void *workstation, double size); /**< Execute a computation amount on a workstation
247 and create the corresponding action */
248 surf_action_t(*sleep) (void *workstation, double duration); /**< Make a workstation sleep during a given duration */
249 e_surf_resource_state_t(*get_state) (void *workstation); /**< Return the CPU state of a workstation */
250 double (*get_speed) (void *workstation, double load); /**< Return the speed of a workstation */
251 double (*get_available_speed) (void *workstation); /**< Return tha available speed of a workstation */
252 surf_action_t(*communicate) (void *workstation_src, /**< Execute a communication amount between two workstations */
253 void *workstation_dst, double size,
255 // FIXME: kill next field, which duplicates the routing
256 xbt_dynar_t(*get_route) (void *workstation_src, void *workstation_dst); /**< Get the list of links between two ws */
258 surf_action_t(*execute_parallel_task) (int workstation_nb, /**< Execute a parallel task on several workstations */
259 void **workstation_list,
260 double *computation_amount,
261 double *communication_amount,
263 double (*get_link_bandwidth) (const void *link); /**< Return the current bandwidth of a network link */
264 double (*get_link_latency) (const void *link); /**< Return the current latency of a network link */
265 surf_action_t(*open) (void *workstation, const char* storage, const char* path, const char* mode);
266 surf_action_t(*close) (void *workstation, surf_file_t fp);
267 surf_action_t(*read) (void *workstation, void* ptr, size_t size, size_t nmemb, surf_file_t stream);
268 surf_action_t(*write) (void *workstation, const void* ptr, size_t size, size_t nmemb, surf_file_t stream);
269 surf_action_t(*stat) (void *workstation, surf_file_t stream);
270 surf_action_t(*unlink) (void *workstation, surf_file_t stream);
271 surf_action_t(*ls) (void *workstation, const char* mount, const char *path);
273 int (*link_shared) (const void *link);
274 xbt_dict_t(*get_properties) (const void *resource);
275 void (*add_traces) (void);
277 } s_surf_model_extension_workstation_t;
282 /** \ingroup SURF_models
283 * \brief Model datatype
285 * Generic data structure for a model. The workstations,
286 * the CPUs and the network links are examples of models.
288 typedef struct surf_model {
289 const char *name; /**< Name of this model */
290 s_surf_action_state_t states; /**< Any living action on this model */
292 e_surf_action_state_t(*action_state_get) (surf_action_t action);
293 /**< Return the state of an action */
294 void (*action_state_set) (surf_action_t action,
295 e_surf_action_state_t state);
296 /**< Change an action state*/
298 double (*action_get_start_time) (surf_action_t action); /**< Return the start time of an action */
299 double (*action_get_finish_time) (surf_action_t action); /**< Return the finish time of an action */
300 int (*action_unref) (surf_action_t action); /**< Specify that we don't use that action anymore. Returns true if the action was destroyed and false if someone still has references on it. */
301 void (*action_cancel) (surf_action_t action); /**< Cancel a running action */
302 void (*action_recycle) (surf_action_t action); /**< Recycle an action */
303 void (*action_data_set) (surf_action_t action, void *data); /**< Set the user data of an action */
304 void (*suspend) (surf_action_t action); /**< Suspend an action */
305 void (*resume) (surf_action_t action); /**< Resume a suspended action */
306 int (*is_suspended) (surf_action_t action); /**< Return whether an action is suspended */
307 void (*set_max_duration) (surf_action_t action, double duration); /**< Set the max duration of an action*/
308 void (*set_priority) (surf_action_t action, double priority); /**< Set the priority of an action */
310 void (*set_category) (surf_action_t action, const char *category); /**< Set the category of an action */
312 double (*get_remains) (surf_action_t action); /**< Get the remains of an action */
313 #ifdef HAVE_LATENCY_BOUND_TRACKING
314 int (*get_latency_limited) (surf_action_t action); /**< Return 1 if action is limited by latency, 0 otherwise */
317 void (*gap_remove) (surf_action_lmm_t action);
319 surf_model_private_t model_private;
322 s_surf_model_extension_cpu_t cpu;
323 s_surf_model_extension_network_t network;
324 s_surf_model_extension_storage_t storage;
325 s_surf_model_extension_workstation_t workstation;
326 /*******************************************/
327 /* TUTORIAL: New model */
328 s_surf_model_extension_new_model_t new_model;
329 /*******************************************/
333 surf_model_t surf_model_init(void);
334 void surf_model_exit(surf_model_t model);
336 static inline void *surf_cpu_resource_by_name(const char *name) {
337 return xbt_lib_get_or_null(host_lib, name, SURF_CPU_LEVEL);
339 static inline void *surf_workstation_resource_by_name(const char *name){
340 return xbt_lib_get_or_null(host_lib, name, SURF_WKS_LEVEL);
342 static inline void *surf_storage_resource_by_name(const char *name){
343 return xbt_lib_get_or_null(storage_lib, name, SURF_STORAGE_LEVEL);
346 typedef struct surf_resource {
349 xbt_dict_t properties;
350 } s_surf_resource_t, *surf_resource_t;
353 * Resource which have a metric handled by a maxmin system
358 tmgr_trace_event_t event;
361 typedef struct surf_resource_lmm {
362 s_surf_resource_t generic_resource;
363 lmm_constraint_t constraint;
364 e_surf_resource_state_t state_current;
365 tmgr_trace_event_t state_event;
366 s_surf_metric_t power;
367 } s_surf_resource_lmm_t, *surf_resource_lmm_t;
369 /**************************************/
370 /* Implementations of model object */
371 /**************************************/
374 /** \ingroup SURF_models
375 * \brief The CPU model
377 XBT_PUBLIC_DATA(surf_model_t) surf_cpu_model;
379 /** \ingroup SURF_models
380 * \brief Initializes the CPU model with the model Cas01
382 * By default, this model uses the lazy optimization mechanism that
383 * relies on partial invalidation in LMM and a heap for lazy action update.
384 * You can change this behavior by setting the cpu/optim configuration
385 * variable to a different value.
387 * This function is called by surf_workstation_model_init_CLM03
388 * so you shouldn't have to call it by yourself.
390 * \see surf_workstation_model_init_CLM03()
392 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
394 /** \ingroup SURF_models
395 * \brief Initializes the CPU model with trace integration [Deprecated]
397 * You shouldn't have to call it by yourself.
398 * \see surf_workstation_model_init_CLM03()
400 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
402 /** \brief This function call the share resources function needed
405 XBT_PUBLIC(double) generic_share_resources(double now);
407 /** \brief This function call the update action state function needed
410 XBT_PUBLIC(void) generic_update_actions_state(double now, double delta);
412 /** \ingroup SURF_models
413 * \brief The list of all available optimization modes (both for cpu and networks).
414 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
416 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
418 /** \ingroup SURF_models
419 * \brief The list of all available cpu model models
421 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
423 XBT_PUBLIC(void) create_workstations(void);
425 /**\brief create new host bypass the parser
430 /** \ingroup SURF_models
431 * \brief The network model
433 * When creating a new API on top on SURF, you shouldn't use the
434 * network model unless you know what you are doing. Only the workstation
435 * model should be accessed because depending on the platform model,
436 * the network model can be NULL.
438 XBT_PUBLIC_DATA(surf_model_t) surf_network_model;
440 /** \ingroup SURF_models
441 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
443 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
444 * based on the model 'LV08' and different correction factors depending on the communication
445 * size (< 1KiB, < 64KiB, >= 64KiB).
446 * See comments in the code for more information.
448 * \see surf_workstation_model_init_SMPI()
450 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
452 /** \ingroup SURF_models
453 * \brief Initializes the platform with the network model 'LegrandVelho'
455 * This model is proposed by Arnaud Legrand and Pedro Velho based on
456 * the results obtained with the GTNets simulator for onelink and
457 * dogbone sharing scenarios. See comments in the code for more information.
459 * \see surf_workstation_model_init_LegrandVelho()
461 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
463 /** \ingroup SURF_models
464 * \brief Initializes the platform with the network model 'Constant'
466 * In this model, the communication time between two network cards is
467 * constant, hence no need for a routing table. This is particularly
468 * usefull when simulating huge distributed algorithms where
469 * scalability is really an issue. This function is called in
470 * conjunction with surf_workstation_model_init_compound.
472 * \see surf_workstation_model_init_compound()
474 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
476 /** \ingroup SURF_models
477 * \brief Initializes the platform with the network model CM02
479 * This function is called by surf_workstation_model_init_CLM03
480 * or by yourself only if you plan using surf_workstation_model_init_compound
481 * See comments in the code for more information.
483 * \see surf_workstation_model_init_CLM03()
485 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
488 * brief initialize the the network model bypassing the XML parser
490 XBT_PUBLIC(void) surf_network_model_init_bypass(const char *id,
495 /** \ingroup SURF_models
496 * \brief Initializes the platform with the network model GTNETS
497 * \param filename XML platform file name
499 * This function is called by surf_workstation_model_init_GTNETS
500 * or by yourself only if you plan using surf_workstation_model_init_compound
502 * \see surf_workstation_model_init_GTNETS()
504 XBT_PUBLIC(void) surf_network_model_init_GTNETS(void);
508 /** \ingroup SURF_models
509 * \brief Initializes the platform with the network model NS3
510 * \param filename XML platform file name
512 * This function is called by surf_workstation_model_init_NS3
513 * or by yourself only if you plan using surf_workstation_model_init_compound
515 * \see surf_workstation_model_init_NS3()
517 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
520 /** \ingroup SURF_models
521 * \brief Initializes the platform with the network model Reno
522 * \param filename XML platform file name
524 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
527 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
528 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
530 * Call this function only if you plan using surf_workstation_model_init_compound.
533 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
535 /** \ingroup SURF_models
536 * \brief Initializes the platform with the network model Reno2
537 * \param filename XML platform file name
539 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
542 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
543 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
545 * Call this function only if you plan using surf_workstation_model_init_compound.
548 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
550 /** \ingroup SURF_models
551 * \brief Initializes the platform with the network model Vegas
552 * \param filename XML platform file name
554 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
555 * to the proportional fairness.
558 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
559 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
561 * Call this function only if you plan using surf_workstation_model_init_compound.
564 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
566 /** \ingroup SURF_models
567 * \brief The list of all available network model models
569 XBT_PUBLIC_DATA(s_surf_model_description_t)
570 surf_network_model_description[];
572 /** \ingroup SURF_models
573 * \brief The storage model
575 XBT_PUBLIC(void) surf_storage_model_init_default(void);
577 /** \ingroup SURF_models
578 * \brief The list of all available storage modes.
579 * This storage mode can be set using --cfg=storage/model:...
581 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
583 /** \ingroup SURF_models
584 * \brief The workstation model
586 * Note that when you create an API on top of SURF,
587 * the workstation model should be the only one you use
588 * because depending on the platform model, the network model and the CPU model
591 XBT_PUBLIC_DATA(surf_model_t) surf_workstation_model;
593 /** \ingroup SURF_models
594 * \brief Initializes the platform with a compound workstation model
596 * This function should be called after a cpu_model and a
597 * network_model have been set up.
600 XBT_PUBLIC(void) surf_workstation_model_init_compound(void);
602 /** \ingroup SURF_models
603 * \brief Initializes the platform with the current best network and cpu models at hand
605 * This platform model seperates the workstation model and the network model.
606 * The workstation model will be initialized with the model compound, the network
607 * model with the model LV08 (with cross traffic support) and the CPU model with
609 * Such model is subject to modification with warning in the ChangeLog so monitor it!
612 XBT_PUBLIC(void) surf_workstation_model_init_current_default(void);
614 /** \ingroup SURF_models
615 * \brief Initializes the platform with the workstation model CLM03
617 * This platform model seperates the workstation model and the network model.
618 * The workstation model will be initialized with the model CLM03, the network
619 * model with the model CM02 and the CPU model with the model Cas01.
620 * In future releases, some other network models will be implemented and will be
621 * combined with the workstation model CLM03.
624 XBT_PUBLIC(void) surf_workstation_model_init_CLM03(void);
626 /** \ingroup SURF_models
627 * \brief Initializes the platform with the model KCCFLN05
629 * With this model, only parallel tasks can be used. Resource sharing
630 * is done by identifying bottlenecks and giving an equal share of
631 * the model to each action.
634 XBT_PUBLIC(void) surf_workstation_model_init_ptask_L07(void);
636 /** \ingroup SURF_models
637 * \brief The list of all available workstation model models
639 XBT_PUBLIC_DATA(s_surf_model_description_t)
640 surf_workstation_model_description[];
642 /*******************************************
643 * TUTORIAL: New model
645 XBT_PUBLIC(void) surf_new_model_init_default(void);
646 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_new_model_description[];
647 /*******************************************/
649 /** \ingroup SURF_models
650 * \brief List of initialized models
652 XBT_PUBLIC_DATA(xbt_dynar_t) model_list;
654 /*******************************************/
655 /*** SURF Globals **************************/
656 /*******************************************/
658 /** \ingroup SURF_simulation
659 * \brief Initialize SURF
660 * \param argc argument number
661 * \param argv arguments
663 * This function has to be called to initialize the common
664 * structures. Then you will have to create the environment by
666 * e.g. surf_workstation_model_init_CLM03()
668 * \see surf_workstation_model_init_CLM03(), surf_workstation_model_init_compound(), surf_exit()
670 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
672 /** \ingroup SURF_simulation
673 * \brief Finish simulation initialization
675 * This function must be called before the first call to surf_solve()
677 XBT_PUBLIC(void) surf_presolve(void);
679 /** \ingroup SURF_simulation
680 * \brief Performs a part of the simulation
681 * \param max_date Maximum date to update the simulation to, or -1
682 * \return the elapsed time, or -1.0 if no event could be executed
684 * This function execute all possible events, update the action states
685 * and returns the time elapsed.
686 * When you call execute or communicate on a model, the corresponding actions
687 * are not executed immediately but only when you call surf_solve.
688 * Note that the returned elapsed time can be zero.
690 XBT_PUBLIC(double) surf_solve(double max_date);
692 /** \ingroup SURF_simulation
693 * \brief Return the current time
695 * Return the current time in millisecond.
697 XBT_PUBLIC(double) surf_get_clock(void);
699 /** \ingroup SURF_simulation
706 XBT_PUBLIC(void) surf_exit(void);
708 /* Prototypes of the functions that handle the properties */
709 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
710 XBT_PUBLIC(void) parse_properties(void);
712 /* surf parse file related (public because called from a test suite) */
713 XBT_PUBLIC(void) parse_platform_file(const char *file);
715 /* Stores the sets */
716 XBT_PUBLIC_DATA(xbt_dict_t) set_list;
718 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
719 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
720 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
721 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
722 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
723 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
724 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
727 XBT_PUBLIC(double) get_cpu_power(const char *power);
729 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
731 int surf_get_nthreads(void);
732 void surf_set_nthreads(int nthreads);
734 void surf_watched_hosts(void);
737 * Returns the initial path. On Windows the initial path is
738 * the current directory for the current process in the other
739 * case the function returns "./" that represents the current
740 * directory on Unix/Linux platforms.
742 const char *__surf_get_initial_path(void);
744 /********** Tracing **********/
745 /* from surf_instr.c */
746 void TRACE_surf_action(surf_action_t surf_action, const char *category);
747 void TRACE_surf_alloc(void);
748 void TRACE_surf_release(void);
750 /* instr_routing.c */
751 void instr_routing_define_callbacks (void);
752 void instr_new_variable_type (const char *new_typename, const char *color);
753 void instr_new_user_variable_type (const char *father_type, const char *new_typename, const char *color);
754 void instr_new_user_state_type (const char *father_type, const char *new_typename);
755 void instr_new_value_for_user_state_type (const char *typename, const char *value, const char *color);
756 int instr_platform_traced (void);
757 xbt_graph_t instr_routing_platform_graph (void);
758 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename);
761 #endif /* _SURF_SURF_H */