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"
14 #include "xbt/file_stat.h"
16 #include "xbt/config.h"
17 #include "surf/datatypes.h"
19 #include "surf/surf_routing.h"
20 #include "simgrid/platf_interface.h"
23 /* Actions and models are highly connected structures... */
26 SURF_NETWORK_ELEMENT_NULL = 0, /* NULL */
27 SURF_NETWORK_ELEMENT_HOST, /* host type */
28 SURF_NETWORK_ELEMENT_ROUTER, /* router type */
29 SURF_NETWORK_ELEMENT_AS /* AS type */
30 } e_surf_network_element_type_t;
32 XBT_PUBLIC(e_surf_network_element_type_t)
33 routing_get_network_element_type(const char* name);
35 /** @Brief Specify that we use that action */
36 XBT_PUBLIC(void) surf_action_ref(surf_action_t action);
37 /** @brief Creates a new action.
39 * @param size The size is the one of the subtype you want to create
40 * @param cost initial value
41 * @param model to which model we should attach this action
42 * @param failed whether we should start this action in failed mode
44 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
45 surf_model_t model, int failed);
47 /** \brief Resource model description
49 typedef struct surf_model_description {
51 const char *description;
52 void_f_void_t model_init_preparse;
53 } s_surf_model_description_t, *surf_model_description_t;
55 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
57 XBT_PUBLIC(void) model_help(const char *category,
58 s_surf_model_description_t * table);
60 enum heap_action_type{
67 /** \ingroup SURF_actions
68 * \brief Action structure
70 * Never create s_surf_action_t by yourself ! The actions are created
71 * on the fly when you call execute or communicate on a model.
73 * \see e_surf_action_state_t
75 typedef struct surf_action {
76 s_xbt_swag_hookup_t state_hookup;
78 double cost; /**< cost */
79 double priority; /**< priority (1.0 by default) */
80 double max_duration; /**< max_duration (may fluctuate until
81 the task is completed) */
82 double remains; /**< How much of that cost remains to
83 * be done in the currently running task */
84 #ifdef HAVE_LATENCY_BOUND_TRACKING
85 int latency_limited; /**< Set to 1 if is limited by latency, 0 otherwise */
88 double start; /**< start time */
89 double finish; /**< finish time : this is modified during the run
90 * and fluctuates until the task is completed */
91 void *data; /**< for your convenience */
93 surf_model_t model_type;
95 char *category; /**< tracing category for categorized resource utilization monitoring */
97 surf_file_t file; /**< surf_file_t for storage model */
98 s_file_stat_t stat; /**< surf_file_t for storage model */
101 typedef struct surf_action_lmm {
102 s_surf_action_t generic_action;
103 lmm_variable_t variable;
105 s_xbt_swag_hookup_t action_list_hookup;
108 enum heap_action_type hat;
109 } s_surf_action_lmm_t, *surf_action_lmm_t;
111 /** \ingroup SURF_actions
112 * \brief Action states
116 * \see surf_action_t, surf_action_state_t
119 SURF_ACTION_READY = 0, /**< Ready */
120 SURF_ACTION_RUNNING, /**< Running */
121 SURF_ACTION_FAILED, /**< Task Failure */
122 SURF_ACTION_DONE, /**< Completed */
123 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
124 SURF_ACTION_NOT_IN_THE_SYSTEM
125 /**< Not in the system anymore. Why did you ask ? */
126 } e_surf_action_state_t;
128 /** \ingroup SURF_actions
129 * \brief Action state sets
131 * This structure contains some sets of actions.
132 * It provides a fast access to the actions in each state.
134 * \see surf_action_t, e_surf_action_state_t
136 typedef struct surf_action_state {
137 xbt_swag_t ready_action_set;
138 /**< Actions in state SURF_ACTION_READY */
139 xbt_swag_t running_action_set;
140 /**< Actions in state SURF_ACTION_RUNNING */
141 xbt_swag_t failed_action_set;
142 /**< Actions in state SURF_ACTION_FAILED */
143 xbt_swag_t done_action_set;
144 /**< Actions in state SURF_ACTION_DONE */
145 } s_surf_action_state_t, *surf_action_state_t;
147 /***************************/
148 /* Generic model object */
149 /***************************/
150 typedef struct s_routing_global s_routing_global_t, *routing_global_t;
151 XBT_PUBLIC_DATA(routing_global_t) global_routing;
154 /** \ingroup SURF_models
155 * \brief Private data available on all models
157 typedef struct surf_model_private *surf_model_private_t;
161 /** \ingroup SURF_models
162 * \brief CPU model extension public
164 * Public functions specific to the CPU model.
166 typedef struct surf_cpu_model_extension_public {
167 surf_action_t(*execute) (void *cpu, double size);
168 surf_action_t(*sleep) (void *cpu, double duration);
169 e_surf_resource_state_t(*get_state) (void *cpu);
170 double (*get_speed) (void *cpu, double load);
171 double (*get_available_speed) (void *cpu);
172 void* (*create_resource) (const char *name, double power_peak,
174 tmgr_trace_t power_trace,
176 e_surf_resource_state_t state_initial,
177 tmgr_trace_t state_trace,
178 xbt_dict_t cpu_properties);
179 void (*add_traces) (void);
180 } s_surf_model_extension_cpu_t;
182 typedef struct s_network_element_info *network_element_t;
186 /** \ingroup SURF_models
187 * \brief Network model extension public
189 * Public functions specific to the network model
191 typedef struct surf_network_model_extension_public {
192 surf_action_t (*communicate) (network_element_t src,
193 network_element_t dst,
194 double size, double rate);
195 xbt_dynar_t(*get_route) (void *src, void *dst); //FIXME: kill field? That is done by the routing nowadays
196 double (*get_link_bandwidth) (const void *link);
197 double (*get_link_latency) (const void *link);
198 int (*link_shared) (const void *link);
199 void (*add_traces) (void);
200 void* (*create_resource) (const char *name,
202 tmgr_trace_t bw_trace,
204 tmgr_trace_t lat_trace,
205 e_surf_resource_state_t
207 tmgr_trace_t state_trace,
208 e_surf_link_sharing_policy_t policy,
209 xbt_dict_t properties);
210 } s_surf_model_extension_network_t;
214 /** \ingroup SURF_models
215 * \brief Storage model extension public
217 * Public functions specific to the Storage model.
220 typedef struct surf_storage_model_extension_public {
221 surf_action_t(*open) (void *storage, const char* path, const char* mode);
222 surf_action_t(*close) (void *storage, surf_file_t fp);
223 surf_action_t(*read) (void *storage, void* ptr, size_t size, size_t nmemb, surf_file_t stream);
224 surf_action_t(*write) (void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream);
225 surf_action_t(*stat) (void *storage, surf_file_t stream);
226 void* (*create_resource) (const char* id, const char* model,const char* type_id);
227 } s_surf_model_extension_storage_t;
229 /** \ingroup SURF_models
230 * \brief Workstation model extension public
232 * Public functions specific to the workstation model.
234 typedef struct surf_workstation_model_extension_public {
235 surf_action_t(*execute) (void *workstation, double size); /**< Execute a computation amount on a workstation
236 and create the corresponding action */
237 surf_action_t(*sleep) (void *workstation, double duration); /**< Make a workstation sleep during a given duration */
238 e_surf_resource_state_t(*get_state) (void *workstation); /**< Return the CPU state of a workstation */
239 double (*get_speed) (void *workstation, double load); /**< Return the speed of a workstation */
240 double (*get_available_speed) (void *workstation); /**< Return tha available speed of a workstation */
241 surf_action_t(*communicate) (void *workstation_src, /**< Execute a communication amount between two workstations */
242 void *workstation_dst, double size,
244 // FIXME: kill next field, which duplicates the routing
245 xbt_dynar_t(*get_route) (void *workstation_src, void *workstation_dst); /**< Get the list of links between two ws */
247 surf_action_t(*execute_parallel_task) (int workstation_nb, /**< Execute a parallel task on several workstations */
248 void **workstation_list,
249 double *computation_amount,
250 double *communication_amount,
251 double amount, double rate);
252 double (*get_link_bandwidth) (const void *link); /**< Return the current bandwidth of a network link */
253 double (*get_link_latency) (const void *link); /**< Return the current latency of a network link */
254 surf_action_t(*open) (void *workstation, const char* storage, const char* path, const char* mode);
255 surf_action_t(*close) (void *workstation, const char* storage, surf_file_t fp);
256 surf_action_t(*read) (void *workstation, const char* storage, void* ptr, size_t size, size_t nmemb, surf_file_t stream);
257 surf_action_t(*write) (void *workstation, const char* storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream);
258 surf_action_t(*stat) (void *workstation, const char* storage, surf_file_t stream);
259 int (*link_shared) (const void *link);
260 xbt_dict_t(*get_properties) (const void *resource);
261 void* (*link_create_resource) (const char *name,
263 tmgr_trace_t bw_trace,
265 tmgr_trace_t lat_trace,
266 e_surf_resource_state_t
268 tmgr_trace_t state_trace,
269 e_surf_link_sharing_policy_t
270 policy, xbt_dict_t properties);
271 void* (*cpu_create_resource) (const char *name, double power_peak,
273 tmgr_trace_t power_trace,
274 e_surf_resource_state_t state_initial,
275 tmgr_trace_t state_trace,
276 xbt_dict_t cpu_properties);
277 void (*add_traces) (void);
279 } s_surf_model_extension_workstation_t;
284 /** \ingroup SURF_models
285 * \brief Model datatype
287 * Generic data structure for a model. The workstations,
288 * the CPUs and the network links are examples of models.
290 typedef struct surf_model {
291 const char *name; /**< Name of this model */
292 s_surf_action_state_t states; /**< Any living action on this model */
294 e_surf_action_state_t(*action_state_get) (surf_action_t action);
295 /**< Return the state of an action */
296 void (*action_state_set) (surf_action_t action,
297 e_surf_action_state_t state);
298 /**< Change an action state*/
300 double (*action_get_start_time) (surf_action_t action); /**< Return the start time of an action */
301 double (*action_get_finish_time) (surf_action_t action); /**< Return the finish time of an action */
302 int (*action_unref) (surf_action_t action); /**< Specify that we don't use that action anymore */
303 void (*action_cancel) (surf_action_t action); /**< Cancel a running action */
304 void (*action_recycle) (surf_action_t action); /**< Recycle an action */
305 void (*action_data_set) (surf_action_t action, void *data); /**< Set the user data of an action */
306 void (*suspend) (surf_action_t action); /**< Suspend an action */
307 void (*resume) (surf_action_t action); /**< Resume a suspended action */
308 int (*is_suspended) (surf_action_t action); /**< Return whether an action is suspended */
309 void (*set_max_duration) (surf_action_t action, double duration); /**< Set the max duration of an action*/
310 void (*set_priority) (surf_action_t action, double priority); /**< Set the priority of an action */
312 void (*set_category) (surf_action_t action, const char *category); /**< Set the category of an action */
314 double (*get_remains) (surf_action_t action); /**< Get the remains of an action */
315 #ifdef HAVE_LATENCY_BOUND_TRACKING
316 int (*get_latency_limited) (surf_action_t action); /**< Return 1 if action is limited by latency, 0 otherwise */
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;
329 surf_model_t surf_model_init(void);
330 void surf_model_exit(surf_model_t model);
332 static inline void *surf_cpu_resource_by_name(const char *name) {
333 return xbt_lib_get_or_null(host_lib, name, SURF_CPU_LEVEL);
335 static inline void *surf_workstation_resource_by_name(const char *name){
336 return xbt_lib_get_or_null(host_lib, name, SURF_WKS_LEVEL);
338 static inline void *surf_network_resource_by_name(const char *name){
339 network_element_t net_elm = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
340 if(!net_elm) net_elm = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
343 static inline void *surf_storage_resource_by_name(const char *name){
344 return xbt_lib_get_or_null(storage_lib, name, SURF_STORAGE_LEVEL);
347 typedef struct surf_resource {
350 xbt_dict_t properties;
351 } s_surf_resource_t, *surf_resource_t;
354 * Resource which have a metric handled by a maxmin system
359 tmgr_trace_event_t event;
362 typedef struct surf_resource_lmm {
363 s_surf_resource_t generic_resource;
364 lmm_constraint_t constraint;
365 e_surf_resource_state_t state_current;
366 tmgr_trace_event_t state_event;
367 s_surf_metric_t power;
368 } s_surf_resource_lmm_t, *surf_resource_lmm_t;
370 /**************************************/
371 /* Implementations of model object */
372 /**************************************/
375 /** \ingroup SURF_models
376 * \brief The CPU model
378 XBT_PUBLIC_DATA(surf_model_t) surf_cpu_model;
380 /** \ingroup SURF_models
381 * \brief Initializes the CPU model with the model Cas01
383 * By default, this model uses the lazy optimization mechanism that
384 * relies on partial invalidation in LMM and a heap for lazy action update.
385 * You can change this behavior by setting the cpu/optim configuration
386 * variable to a different value.
388 * This function is called by surf_workstation_model_init_CLM03
389 * so you shouldn't have to call it by yourself.
391 * \see surf_workstation_model_init_CLM03()
393 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
395 /** \ingroup SURF_models
396 * \brief Initializes the CPU model with trace integration [Deprecated]
398 * You shouldn't have to call it by yourself.
399 * \see surf_workstation_model_init_CLM03()
401 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
403 /** \brief This function call the share resources function needed
406 XBT_PUBLIC(double) generic_share_resources(double now);
408 /** \brief This function call the update action state function needed
411 XBT_PUBLIC(void) generic_update_actions_state(double now, double delta);
413 /** \ingroup SURF_models
414 * \brief The list of all available optimization modes (both for cpu and networks).
415 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
417 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
419 /** \ingroup SURF_models
420 * \brief The list of all available cpu model models
422 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
424 XBT_PUBLIC(void) create_workstations(void);
426 /**\brief create new host bypass the parser
431 /** \ingroup SURF_models
432 * \brief The network model
434 * When creating a new API on top on SURF, you shouldn't use the
435 * network model unless you know what you are doing. Only the workstation
436 * model should be accessed because depending on the platform model,
437 * the network model can be NULL.
439 XBT_PUBLIC_DATA(surf_model_t) surf_network_model;
441 /** \ingroup SURF_models
442 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
444 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
445 * based on the model 'LV08' and different correction factors depending on the communication
446 * size (< 1KiB, < 64KiB, >= 64KiB).
447 * See comments in the code for more information.
449 * \see surf_workstation_model_init_SMPI()
451 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
453 /** \ingroup SURF_models
454 * \brief Initializes the platform with the network model 'LegrandVelho'
456 * This model is proposed by Arnaud Legrand and Pedro Velho based on
457 * the results obtained with the GTNets simulator for onelink and
458 * dogbone sharing scenarios. See comments in the code for more information.
460 * \see surf_workstation_model_init_LegrandVelho()
462 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
464 /** \ingroup SURF_models
465 * \brief Initializes the platform with the network model 'Constant'
467 * In this model, the communication time between two network cards is
468 * constant, hence no need for a routing table. This is particularly
469 * usefull when simulating huge distributed algorithms where
470 * scalability is really an issue. This function is called in
471 * conjunction with surf_workstation_model_init_compound.
473 * \see surf_workstation_model_init_compound()
475 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
477 /** \ingroup SURF_models
478 * \brief Initializes the platform with the network model CM02
480 * This function is called by surf_workstation_model_init_CLM03
481 * or by yourself only if you plan using surf_workstation_model_init_compound
482 * See comments in the code for more information.
484 * \see surf_workstation_model_init_CLM03()
486 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
489 * brief initialize the the network model bypassing the XML parser
491 XBT_PUBLIC(void) surf_network_model_init_bypass(const char *id,
496 /** \ingroup SURF_models
497 * \brief Initializes the platform with the network model GTNETS
498 * \param filename XML platform file name
500 * This function is called by surf_workstation_model_init_GTNETS
501 * or by yourself only if you plan using surf_workstation_model_init_compound
503 * \see surf_workstation_model_init_GTNETS()
505 XBT_PUBLIC(void) surf_network_model_init_GTNETS(void);
509 /** \ingroup SURF_models
510 * \brief Initializes the platform with the network model NS3
511 * \param filename XML platform file name
513 * This function is called by surf_workstation_model_init_NS3
514 * or by yourself only if you plan using surf_workstation_model_init_compound
516 * \see surf_workstation_model_init_NS3()
518 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
521 /** \ingroup SURF_models
522 * \brief Initializes the platform with the network model Reno
523 * \param filename XML platform file name
525 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
528 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
529 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
531 * Call this function only if you plan using surf_workstation_model_init_compound.
534 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
536 /** \ingroup SURF_models
537 * \brief Initializes the platform with the network model Reno2
538 * \param filename XML platform file name
540 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
543 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
544 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
546 * Call this function only if you plan using surf_workstation_model_init_compound.
549 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
551 /** \ingroup SURF_models
552 * \brief Initializes the platform with the network model Vegas
553 * \param filename XML platform file name
555 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
556 * to the proportional fairness.
559 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
560 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
562 * Call this function only if you plan using surf_workstation_model_init_compound.
565 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
567 /** \ingroup SURF_models
568 * \brief The list of all available network model models
570 XBT_PUBLIC_DATA(s_surf_model_description_t)
571 surf_network_model_description[];
578 /** \ingroup SURF_models
579 * \brief The storage model
581 XBT_PUBLIC(void) surf_storage_model_init_default(void);
583 /** \ingroup SURF_models
584 * \brief The list of all available storage modes.
585 * This storage mode can be set using --cfg=storage/model:...
587 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
595 /** \ingroup SURF_models
596 * \brief The workstation model
598 * Note that when you create an API on top of SURF,
599 * the workstation model should be the only one you use
600 * because depending on the platform model, the network model and the CPU model
603 XBT_PUBLIC_DATA(surf_model_t) surf_workstation_model;
605 /** \ingroup SURF_models
606 * \brief Initializes the platform with a compound workstation model
608 * This function should be called after a cpu_model and a
609 * network_model have been set up.
612 XBT_PUBLIC(void) surf_workstation_model_init_compound(void);
614 /** \ingroup SURF_models
615 * \brief Initializes the platform with the current best network and cpu models at hand
617 * This platform model seperates the workstation model and the network model.
618 * The workstation model will be initialized with the model compound, the network
619 * model with the model LV08 (with cross traffic support) and the CPU model with
621 * Such model is subject to modification with warning in the ChangeLog so monitor it!
624 XBT_PUBLIC(void) surf_workstation_model_init_current_default(void);
626 /** \ingroup SURF_models
627 * \brief Initializes the platform with the workstation model CLM03
629 * This platform model seperates the workstation model and the network model.
630 * The workstation model will be initialized with the model CLM03, the network
631 * model with the model CM02 and the CPU model with the model Cas01.
632 * In future releases, some other network models will be implemented and will be
633 * combined with the workstation model CLM03.
636 XBT_PUBLIC(void) surf_workstation_model_init_CLM03(void);
638 /** \ingroup SURF_models
639 * \brief Initializes the platform with the model KCCFLN05
641 * With this model, only parallel tasks can be used. Resource sharing
642 * is done by identifying bottlenecks and giving an equal share of
643 * the model to each action.
646 XBT_PUBLIC(void) surf_workstation_model_init_ptask_L07(void);
648 /** \ingroup SURF_models
649 * \brief The list of all available workstation model models
651 XBT_PUBLIC_DATA(s_surf_model_description_t)
652 surf_workstation_model_description[];
654 /** \ingroup SURF_models
655 * \brief List of initialized models
657 XBT_PUBLIC_DATA(xbt_dynar_t) model_list;
659 /*******************************************/
660 /*** SURF Globals **************************/
661 /*******************************************/
662 XBT_PUBLIC_DATA(xbt_cfg_t) _surf_cfg_set;
664 /** \ingroup SURF_simulation
665 * \brief Initialize SURF
666 * \param argc argument number
667 * \param argv arguments
669 * This function has to be called to initialize the common
670 * structures. Then you will have to create the environment by
672 * e.g. surf_workstation_model_init_CLM03()
674 * \see surf_workstation_model_init_CLM03(), surf_workstation_model_init_compound(), surf_exit()
676 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
678 /** \ingroup SURF_simulation
679 * \brief Finish simulation initialization
681 * This function must be called before the first call to surf_solve()
683 XBT_PUBLIC(void) surf_presolve(void);
685 /** \ingroup SURF_simulation
686 * \brief Performs a part of the simulation
687 * \param max_date Maximum date to update the simulation to, or -1
688 * \return the elapsed time, or -1.0 if no event could be executed
690 * This function execute all possible events, update the action states
691 * and returns the time elapsed.
692 * When you call execute or communicate on a model, the corresponding actions
693 * are not executed immediately but only when you call surf_solve.
694 * Note that the returned elapsed time can be zero.
696 XBT_PUBLIC(double) surf_solve(double max_date);
698 /** \ingroup SURF_simulation
699 * \brief Return the current time
701 * Return the current time in millisecond.
703 XBT_PUBLIC(double) surf_get_clock(void);
705 /** \ingroup SURF_simulation
712 XBT_PUBLIC(void) surf_exit(void);
714 /* Prototypes of the functions that handle the properties */
715 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
716 XBT_PUBLIC(void) parse_properties(void);
718 /* surf parse file related (public because called from a test suite) */
719 XBT_PUBLIC(void) parse_platform_file(const char *file);
721 /* Stores the sets */
722 XBT_PUBLIC_DATA(xbt_dict_t) set_list;
724 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
725 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
726 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
727 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
728 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
729 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
730 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
733 XBT_PUBLIC(double) get_cpu_power(const char *power);
735 int surf_get_nthreads(void);
736 void surf_set_nthreads(int nthreads);
739 #endif /* _SURF_SURF_H */