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);
38 /** @brief Creates a new action.
40 * @param size The size is the one of the subtype you want to create
41 * @param cost initial value
42 * @param model to which model we should attach this action
43 * @param failed whether we should start this action in failed mode
45 XBT_PUBLIC(void *) surf_action_new(size_t size, double cost,
46 surf_model_t model, int failed);
48 /** \brief Resource model description
50 typedef struct surf_model_description {
52 const char *description;
53 void_f_void_t model_init_preparse;
54 } s_surf_model_description_t, *surf_model_description_t;
56 XBT_PUBLIC(int) find_model_description(s_surf_model_description_t * table,
58 XBT_PUBLIC(void) model_help(const char *category,
59 s_surf_model_description_t * table);
61 enum heap_action_type{
68 /** \ingroup SURF_actions
69 * \brief Action structure
71 * Never create s_surf_action_t by yourself ! The actions are created
72 * on the fly when you call execute or communicate on a model.
74 * \see e_surf_action_state_t
76 typedef struct surf_action {
77 s_xbt_swag_hookup_t state_hookup;
79 double cost; /**< cost */
80 double priority; /**< priority (1.0 by default) */
81 double max_duration; /**< max_duration (may fluctuate until
82 the task is completed) */
83 double remains; /**< How much of that cost remains to
84 * be done in the currently running task */
85 #ifdef HAVE_LATENCY_BOUND_TRACKING
86 int latency_limited; /**< Set to 1 if is limited by latency, 0 otherwise */
89 double start; /**< start time */
90 double finish; /**< finish time : this is modified during the run
91 * and fluctuates until the task is completed */
92 void *data; /**< for your convenience */
94 surf_model_t model_type;
96 char *category; /**< tracing category for categorized resource utilization monitoring */
98 surf_file_t file; /**< surf_file_t for storage model */
99 s_file_stat_t stat; /**< surf_file_t for storage model */
103 typedef struct surf_action_lmm {
104 s_surf_action_t generic_action;
105 lmm_variable_t variable;
107 s_xbt_swag_hookup_t action_list_hookup;
111 enum heap_action_type hat;
112 } s_surf_action_lmm_t, *surf_action_lmm_t;
114 /** \ingroup SURF_actions
115 * \brief Action states
119 * \see surf_action_t, surf_action_state_t
122 SURF_ACTION_READY = 0, /**< Ready */
123 SURF_ACTION_RUNNING, /**< Running */
124 SURF_ACTION_FAILED, /**< Task Failure */
125 SURF_ACTION_DONE, /**< Completed */
126 SURF_ACTION_TO_FREE, /**< Action to free in next cleanup */
127 SURF_ACTION_NOT_IN_THE_SYSTEM
128 /**< Not in the system anymore. Why did you ask ? */
129 } e_surf_action_state_t;
131 /** \ingroup SURF_actions
132 * \brief Action state sets
134 * This structure contains some sets of actions.
135 * It provides a fast access to the actions in each state.
137 * \see surf_action_t, e_surf_action_state_t
139 typedef struct surf_action_state {
140 xbt_swag_t ready_action_set;
141 /**< Actions in state SURF_ACTION_READY */
142 xbt_swag_t running_action_set;
143 /**< Actions in state SURF_ACTION_RUNNING */
144 xbt_swag_t failed_action_set;
145 /**< Actions in state SURF_ACTION_FAILED */
146 xbt_swag_t done_action_set;
147 /**< Actions in state SURF_ACTION_DONE */
148 } s_surf_action_state_t, *surf_action_state_t;
150 /***************************/
151 /* Generic model object */
152 /***************************/
153 typedef struct s_routing_platf s_routing_platf_t, *routing_platf_t;
154 XBT_PUBLIC_DATA(routing_platf_t) routing_platf;
157 /** \ingroup SURF_models
158 * \brief Private data available on all models
160 typedef struct surf_model_private *surf_model_private_t;
164 /** \ingroup SURF_models
165 * \brief CPU model extension public
167 * Public functions specific to the CPU model.
169 typedef struct surf_cpu_model_extension_public {
170 surf_action_t(*execute) (void *cpu, double size);
171 surf_action_t(*sleep) (void *cpu, double duration);
172 e_surf_resource_state_t(*get_state) (void *cpu);
173 double (*get_speed) (void *cpu, double load);
174 double (*get_available_speed) (void *cpu);
175 void* (*create_resource) (const char *name, double power_peak,
177 tmgr_trace_t power_trace,
179 e_surf_resource_state_t state_initial,
180 tmgr_trace_t state_trace,
181 xbt_dict_t cpu_properties);
182 void (*add_traces) (void);
183 } s_surf_model_extension_cpu_t;
187 /** \ingroup SURF_models
188 * \brief Network model extension public
190 * Public functions specific to the network model
192 typedef struct surf_network_model_extension_public {
193 surf_action_t (*communicate) (sg_routing_edge_t src,
194 sg_routing_edge_t dst,
195 double size, double rate);
196 xbt_dynar_t(*get_route) (void *src, void *dst); //FIXME: kill field? That is done by the routing nowadays
197 double (*get_link_bandwidth) (const void *link);
198 double (*get_link_latency) (const void *link);
199 int (*link_shared) (const void *link);
200 void (*add_traces) (void);
201 void* (*create_resource) (const char *name,
203 tmgr_trace_t bw_trace,
205 tmgr_trace_t lat_trace,
206 e_surf_resource_state_t
208 tmgr_trace_t state_trace,
209 e_surf_link_sharing_policy_t policy,
210 xbt_dict_t properties);
211 } s_surf_model_extension_network_t;
215 /** \ingroup SURF_models
216 * \brief Storage model extension public
218 * Public functions specific to the Storage model.
221 typedef struct surf_storage_model_extension_public {
222 surf_action_t(*open) (void *storage, const char* mount, const char* path, const char* mode);
223 surf_action_t(*close) (void *storage, surf_file_t fp);
224 surf_action_t(*read) (void *storage, void* ptr, double size, size_t nmemb, surf_file_t stream);
225 surf_action_t(*write) (void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream);
226 surf_action_t(*stat) (void *storage, surf_file_t stream);
227 surf_action_t(*unlink) (void *storage, surf_file_t stream);
228 surf_action_t(*ls) (void *storage, const char *path);
229 void* (*create_resource) (const char* id, const char* model, const char* type_id, const char *content);
230 } s_surf_model_extension_storage_t;
232 /** \ingroup SURF_models
233 * \brief Workstation model extension public
235 * Public functions specific to the workstation model.
237 typedef struct surf_workstation_model_extension_public {
238 surf_action_t(*execute) (void *workstation, double size); /**< Execute a computation amount on a workstation
239 and create the corresponding action */
240 surf_action_t(*sleep) (void *workstation, double duration); /**< Make a workstation sleep during a given duration */
241 e_surf_resource_state_t(*get_state) (void *workstation); /**< Return the CPU state of a workstation */
242 double (*get_speed) (void *workstation, double load); /**< Return the speed of a workstation */
243 double (*get_available_speed) (void *workstation); /**< Return tha available speed of a workstation */
244 surf_action_t(*communicate) (void *workstation_src, /**< Execute a communication amount between two workstations */
245 void *workstation_dst, double size,
247 // FIXME: kill next field, which duplicates the routing
248 xbt_dynar_t(*get_route) (void *workstation_src, void *workstation_dst); /**< Get the list of links between two ws */
250 surf_action_t(*execute_parallel_task) (int workstation_nb, /**< Execute a parallel task on several workstations */
251 void **workstation_list,
252 double *computation_amount,
253 double *communication_amount,
255 double (*get_link_bandwidth) (const void *link); /**< Return the current bandwidth of a network link */
256 double (*get_link_latency) (const void *link); /**< Return the current latency of a network link */
257 surf_action_t(*open) (void *workstation, const char* storage, const char* path, const char* mode);
258 surf_action_t(*close) (void *workstation, surf_file_t fp);
259 surf_action_t(*read) (void *workstation, void* ptr, size_t size, size_t nmemb, surf_file_t stream);
260 surf_action_t(*write) (void *workstation, const void* ptr, size_t size, size_t nmemb, surf_file_t stream);
261 surf_action_t(*stat) (void *workstation, surf_file_t stream);
262 surf_action_t(*unlink) (void *workstation, surf_file_t stream);
263 surf_action_t(*ls) (void *workstation, const char* mount, const char *path);
265 int (*link_shared) (const void *link);
266 xbt_dict_t(*get_properties) (const void *resource);
267 void* (*link_create_resource) (const char *name,
269 tmgr_trace_t bw_trace,
271 tmgr_trace_t lat_trace,
272 e_surf_resource_state_t
274 tmgr_trace_t state_trace,
275 e_surf_link_sharing_policy_t
276 policy, xbt_dict_t properties);
277 void* (*cpu_create_resource) (const char *name, double power_peak,
279 tmgr_trace_t power_trace,
280 e_surf_resource_state_t state_initial,
281 tmgr_trace_t state_trace,
282 xbt_dict_t cpu_properties);
283 void (*add_traces) (void);
285 } s_surf_model_extension_workstation_t;
290 /** \ingroup SURF_models
291 * \brief Model datatype
293 * Generic data structure for a model. The workstations,
294 * the CPUs and the network links are examples of models.
296 typedef struct surf_model {
297 const char *name; /**< Name of this model */
298 s_surf_action_state_t states; /**< Any living action on this model */
300 e_surf_action_state_t(*action_state_get) (surf_action_t action);
301 /**< Return the state of an action */
302 void (*action_state_set) (surf_action_t action,
303 e_surf_action_state_t state);
304 /**< Change an action state*/
306 double (*action_get_start_time) (surf_action_t action); /**< Return the start time of an action */
307 double (*action_get_finish_time) (surf_action_t action); /**< Return the finish time of an action */
308 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. */
309 void (*action_cancel) (surf_action_t action); /**< Cancel a running action */
310 void (*action_recycle) (surf_action_t action); /**< Recycle an action */
311 void (*action_data_set) (surf_action_t action, void *data); /**< Set the user data of an action */
312 void (*suspend) (surf_action_t action); /**< Suspend an action */
313 void (*resume) (surf_action_t action); /**< Resume a suspended action */
314 int (*is_suspended) (surf_action_t action); /**< Return whether an action is suspended */
315 void (*set_max_duration) (surf_action_t action, double duration); /**< Set the max duration of an action*/
316 void (*set_priority) (surf_action_t action, double priority); /**< Set the priority of an action */
318 void (*set_category) (surf_action_t action, const char *category); /**< Set the category of an action */
320 double (*get_remains) (surf_action_t action); /**< Get the remains of an action */
321 #ifdef HAVE_LATENCY_BOUND_TRACKING
322 int (*get_latency_limited) (surf_action_t action); /**< Return 1 if action is limited by latency, 0 otherwise */
325 void (*gap_remove) (surf_action_lmm_t action);
327 surf_model_private_t model_private;
330 s_surf_model_extension_cpu_t cpu;
331 s_surf_model_extension_network_t network;
332 s_surf_model_extension_storage_t storage;
333 s_surf_model_extension_workstation_t workstation;
337 surf_model_t surf_model_init(void);
338 void surf_model_exit(surf_model_t model);
340 static inline void *surf_cpu_resource_by_name(const char *name) {
341 return xbt_lib_get_or_null(host_lib, name, SURF_CPU_LEVEL);
343 static inline void *surf_workstation_resource_by_name(const char *name){
344 return xbt_lib_get_or_null(host_lib, name, SURF_WKS_LEVEL);
346 static inline void *surf_storage_resource_by_name(const char *name){
347 return xbt_lib_get_or_null(storage_lib, name, SURF_STORAGE_LEVEL);
350 typedef struct surf_resource {
353 xbt_dict_t properties;
354 } s_surf_resource_t, *surf_resource_t;
357 * Resource which have a metric handled by a maxmin system
362 tmgr_trace_event_t event;
365 typedef struct surf_resource_lmm {
366 s_surf_resource_t generic_resource;
367 lmm_constraint_t constraint;
368 e_surf_resource_state_t state_current;
369 tmgr_trace_event_t state_event;
370 s_surf_metric_t power;
371 } s_surf_resource_lmm_t, *surf_resource_lmm_t;
373 /**************************************/
374 /* Implementations of model object */
375 /**************************************/
378 /** \ingroup SURF_models
379 * \brief The CPU model
381 XBT_PUBLIC_DATA(surf_model_t) surf_cpu_model;
383 /** \ingroup SURF_models
384 * \brief Initializes the CPU model with the model Cas01
386 * By default, this model uses the lazy optimization mechanism that
387 * relies on partial invalidation in LMM and a heap for lazy action update.
388 * You can change this behavior by setting the cpu/optim configuration
389 * variable to a different value.
391 * This function is called by surf_workstation_model_init_CLM03
392 * so you shouldn't have to call it by yourself.
394 * \see surf_workstation_model_init_CLM03()
396 XBT_PUBLIC(void) surf_cpu_model_init_Cas01(void);
398 /** \ingroup SURF_models
399 * \brief Initializes the CPU model with trace integration [Deprecated]
401 * You shouldn't have to call it by yourself.
402 * \see surf_workstation_model_init_CLM03()
404 XBT_PUBLIC(void) surf_cpu_model_init_ti(void);
406 /** \brief This function call the share resources function needed
409 XBT_PUBLIC(double) generic_share_resources(double now);
411 /** \brief This function call the update action state function needed
414 XBT_PUBLIC(void) generic_update_actions_state(double now, double delta);
416 /** \ingroup SURF_models
417 * \brief The list of all available optimization modes (both for cpu and networks).
418 * These optimization modes can be set using --cfg=cpu/optim:... and --cfg=network/optim:...
420 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_optimization_mode_description[];
422 /** \ingroup SURF_models
423 * \brief The list of all available cpu model models
425 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_cpu_model_description[];
427 XBT_PUBLIC(void) create_workstations(void);
429 /**\brief create new host bypass the parser
434 /** \ingroup SURF_models
435 * \brief The network model
437 * When creating a new API on top on SURF, you shouldn't use the
438 * network model unless you know what you are doing. Only the workstation
439 * model should be accessed because depending on the platform model,
440 * the network model can be NULL.
442 XBT_PUBLIC_DATA(surf_model_t) surf_network_model;
444 /** \ingroup SURF_models
445 * \brief Same as network model 'LagrangeVelho', only with different correction factors.
447 * This model is proposed by Pierre-Nicolas Clauss and Martin Quinson and Stéphane Génaud
448 * based on the model 'LV08' and different correction factors depending on the communication
449 * size (< 1KiB, < 64KiB, >= 64KiB).
450 * See comments in the code for more information.
452 * \see surf_workstation_model_init_SMPI()
454 XBT_PUBLIC(void) surf_network_model_init_SMPI(void);
456 /** \ingroup SURF_models
457 * \brief Initializes the platform with the network model 'LegrandVelho'
459 * This model is proposed by Arnaud Legrand and Pedro Velho based on
460 * the results obtained with the GTNets simulator for onelink and
461 * dogbone sharing scenarios. See comments in the code for more information.
463 * \see surf_workstation_model_init_LegrandVelho()
465 XBT_PUBLIC(void) surf_network_model_init_LegrandVelho(void);
467 /** \ingroup SURF_models
468 * \brief Initializes the platform with the network model 'Constant'
470 * In this model, the communication time between two network cards is
471 * constant, hence no need for a routing table. This is particularly
472 * usefull when simulating huge distributed algorithms where
473 * scalability is really an issue. This function is called in
474 * conjunction with surf_workstation_model_init_compound.
476 * \see surf_workstation_model_init_compound()
478 XBT_PUBLIC(void) surf_network_model_init_Constant(void);
480 /** \ingroup SURF_models
481 * \brief Initializes the platform with the network model CM02
483 * This function is called by surf_workstation_model_init_CLM03
484 * or by yourself only if you plan using surf_workstation_model_init_compound
485 * See comments in the code for more information.
487 * \see surf_workstation_model_init_CLM03()
489 XBT_PUBLIC(void) surf_network_model_init_CM02(void);
492 * brief initialize the the network model bypassing the XML parser
494 XBT_PUBLIC(void) surf_network_model_init_bypass(const char *id,
499 /** \ingroup SURF_models
500 * \brief Initializes the platform with the network model GTNETS
501 * \param filename XML platform file name
503 * This function is called by surf_workstation_model_init_GTNETS
504 * or by yourself only if you plan using surf_workstation_model_init_compound
506 * \see surf_workstation_model_init_GTNETS()
508 XBT_PUBLIC(void) surf_network_model_init_GTNETS(void);
512 /** \ingroup SURF_models
513 * \brief Initializes the platform with the network model NS3
514 * \param filename XML platform file name
516 * This function is called by surf_workstation_model_init_NS3
517 * or by yourself only if you plan using surf_workstation_model_init_compound
519 * \see surf_workstation_model_init_NS3()
521 XBT_PUBLIC(void) surf_network_model_init_NS3(void);
524 /** \ingroup SURF_models
525 * \brief Initializes the platform with the network model Reno
526 * \param filename XML platform file name
528 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
531 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
532 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
534 * Call this function only if you plan using surf_workstation_model_init_compound.
537 XBT_PUBLIC(void) surf_network_model_init_Reno(void);
539 /** \ingroup SURF_models
540 * \brief Initializes the platform with the network model Reno2
541 * \param filename XML platform file name
543 * The problem is related to max( sum( arctan(C * Df * xi) ) ).
546 * [LOW01] S. H. Low. A duality model of TCP and queue management algorithms.
547 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
549 * Call this function only if you plan using surf_workstation_model_init_compound.
552 XBT_PUBLIC(void) surf_network_model_init_Reno2(void);
554 /** \ingroup SURF_models
555 * \brief Initializes the platform with the network model Vegas
556 * \param filename XML platform file name
558 * This problem is related to max( sum( a * Df * ln(xi) ) ) which is equivalent
559 * to the proportional fairness.
562 * [LOW03] S. H. Low. A duality model of TCP and queue management algorithms.
563 * IEEE/ACM Transaction on Networking, 11(4):525-536, 2003.
565 * Call this function only if you plan using surf_workstation_model_init_compound.
568 XBT_PUBLIC(void) surf_network_model_init_Vegas(void);
570 /** \ingroup SURF_models
571 * \brief The list of all available network model models
573 XBT_PUBLIC_DATA(s_surf_model_description_t)
574 surf_network_model_description[];
576 /** \ingroup SURF_models
577 * \brief The storage model
579 XBT_PUBLIC(void) surf_storage_model_init_default(void);
581 /** \ingroup SURF_models
582 * \brief The list of all available storage modes.
583 * This storage mode can be set using --cfg=storage/model:...
585 XBT_PUBLIC_DATA(s_surf_model_description_t) surf_storage_model_description[];
587 /** \ingroup SURF_models
588 * \brief The workstation model
590 * Note that when you create an API on top of SURF,
591 * the workstation model should be the only one you use
592 * because depending on the platform model, the network model and the CPU model
595 XBT_PUBLIC_DATA(surf_model_t) surf_workstation_model;
597 /** \ingroup SURF_models
598 * \brief Initializes the platform with a compound workstation model
600 * This function should be called after a cpu_model and a
601 * network_model have been set up.
604 XBT_PUBLIC(void) surf_workstation_model_init_compound(void);
606 /** \ingroup SURF_models
607 * \brief Initializes the platform with the current best network and cpu models at hand
609 * This platform model seperates the workstation model and the network model.
610 * The workstation model will be initialized with the model compound, the network
611 * model with the model LV08 (with cross traffic support) and the CPU model with
613 * Such model is subject to modification with warning in the ChangeLog so monitor it!
616 XBT_PUBLIC(void) surf_workstation_model_init_current_default(void);
618 /** \ingroup SURF_models
619 * \brief Initializes the platform with the workstation model CLM03
621 * This platform model seperates the workstation model and the network model.
622 * The workstation model will be initialized with the model CLM03, the network
623 * model with the model CM02 and the CPU model with the model Cas01.
624 * In future releases, some other network models will be implemented and will be
625 * combined with the workstation model CLM03.
628 XBT_PUBLIC(void) surf_workstation_model_init_CLM03(void);
630 /** \ingroup SURF_models
631 * \brief Initializes the platform with the model KCCFLN05
633 * With this model, only parallel tasks can be used. Resource sharing
634 * is done by identifying bottlenecks and giving an equal share of
635 * the model to each action.
638 XBT_PUBLIC(void) surf_workstation_model_init_ptask_L07(void);
640 /** \ingroup SURF_models
641 * \brief The list of all available workstation model models
643 XBT_PUBLIC_DATA(s_surf_model_description_t)
644 surf_workstation_model_description[];
646 /** \ingroup SURF_models
647 * \brief List of initialized models
649 XBT_PUBLIC_DATA(xbt_dynar_t) model_list;
651 /*******************************************/
652 /*** SURF Globals **************************/
653 /*******************************************/
654 XBT_PUBLIC_DATA(xbt_cfg_t) _surf_cfg_set;
656 /** \ingroup SURF_simulation
657 * \brief Initialize SURF
658 * \param argc argument number
659 * \param argv arguments
661 * This function has to be called to initialize the common
662 * structures. Then you will have to create the environment by
664 * e.g. surf_workstation_model_init_CLM03()
666 * \see surf_workstation_model_init_CLM03(), surf_workstation_model_init_compound(), surf_exit()
668 XBT_PUBLIC(void) surf_init(int *argc, char **argv); /* initialize common structures */
670 /** \ingroup SURF_simulation
671 * \brief Finish simulation initialization
673 * This function must be called before the first call to surf_solve()
675 XBT_PUBLIC(void) surf_presolve(void);
677 /** \ingroup SURF_simulation
678 * \brief Performs a part of the simulation
679 * \param max_date Maximum date to update the simulation to, or -1
680 * \return the elapsed time, or -1.0 if no event could be executed
682 * This function execute all possible events, update the action states
683 * and returns the time elapsed.
684 * When you call execute or communicate on a model, the corresponding actions
685 * are not executed immediately but only when you call surf_solve.
686 * Note that the returned elapsed time can be zero.
688 XBT_PUBLIC(double) surf_solve(double max_date);
690 /** \ingroup SURF_simulation
691 * \brief Return the current time
693 * Return the current time in millisecond.
695 XBT_PUBLIC(double) surf_get_clock(void);
697 /** \ingroup SURF_simulation
704 XBT_PUBLIC(void) surf_exit(void);
706 /* Prototypes of the functions that handle the properties */
707 XBT_PUBLIC_DATA(xbt_dict_t) current_property_set; /* the prop set for the currently parsed element (also used in SIMIX) */
708 XBT_PUBLIC(void) parse_properties(void);
710 /* surf parse file related (public because called from a test suite) */
711 XBT_PUBLIC(void) parse_platform_file(const char *file);
713 /* Stores the sets */
714 XBT_PUBLIC_DATA(xbt_dict_t) set_list;
716 /* For the trace and trace:connect tag (store their content till the end of the parsing) */
717 XBT_PUBLIC_DATA(xbt_dict_t) traces_set_list;
718 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_host_avail;
719 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_power;
720 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_link_avail;
721 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_bandwidth;
722 XBT_PUBLIC_DATA(xbt_dict_t) trace_connect_list_latency;
725 XBT_PUBLIC(double) get_cpu_power(const char *power);
727 XBT_PUBLIC(xbt_dict_t) get_as_router_properties(const char* name);
729 int surf_get_nthreads(void);
730 void surf_set_nthreads(int nthreads);
732 void surf_watched_hosts(void);
735 #endif /* _SURF_SURF_H */