src/surf/workstation_ptask_L07.c

   1 /*      $Id$     */
   2
   3 /* Copyright (c) 2007 Arnaud Legrand. All rights reserved.                  */
   4
   5 /* This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the license (GNU LGPL) which comes with this package. */
   7
   8 #include "xbt/ex.h"
   9 #include "xbt/str.h"
  10 #include "xbt/dict.h"
  11 #include "surf_private.h"
  12
  13 typedef enum {
  14   SURF_WORKSTATION_RESOURCE_CPU,
  15   SURF_WORKSTATION_RESOURCE_LINK,
  16 } e_surf_workstation_model_type_t;
  17
  18 /**************************************/
  19 /********* cpu object *****************/
  20 /**************************************/
  21 typedef struct cpu_L07 {
  22   s_surf_resource_t generic_resource;  /* Do not move this field: must match surf_resource_t */
  23   e_surf_workstation_model_type_t type; /* Do not move this field: must match link_L07_t */
  24   lmm_constraint_t constraint;  /* Do not move this field: must match link_L07_t */
  25   double power_scale;
  26   double power_current;
  27   tmgr_trace_event_t power_event;
  28   e_surf_cpu_state_t state_current;
  29   tmgr_trace_event_t state_event;
  30   int id;                       /* cpu and network card are a single object... */
  31 } s_cpu_L07_t, *cpu_L07_t;
  32
  33 /**************************************/
  34 /*********** network object ***********/
  35 /**************************************/
  36
  37 typedef struct link_L07 {
  38   s_surf_resource_t generic_resource;  /* Do not move this field: must match surf_resource_t */
  39   e_surf_workstation_model_type_t type; /* Do not move this field: must match cpu_L07_t */
  40   lmm_constraint_t constraint;  /* Do not move this field: must match cpu_L07_t */
  41   double lat_current;
  42   tmgr_trace_event_t lat_event;
  43   double bw_current;
  44   tmgr_trace_event_t bw_event;
  45   e_surf_link_state_t state_current;
  46   tmgr_trace_event_t state_event;
  47 } s_link_L07_t, *link_L07_t;
  48
  49 /**************************************/
  50 /*************** actions **************/
  51 /**************************************/
  52 typedef struct surf_action_workstation_L07 {
  53   s_surf_action_t generic_action;
  54   lmm_variable_t variable;
  55   int workstation_nb;
  56   cpu_L07_t *workstation_list;
  57   double *computation_amount;
  58   double *communication_amount;
  59   double latency;
  60   double rate;
  61   int suspended;
  62 } s_surf_action_workstation_L07_t, *surf_action_workstation_L07_t;
  63
  64
  65 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
  66
  67 static int host_count = 0;
  68 static xbt_dict_t parallel_task_link_set = NULL;
  69 lmm_system_t ptask_maxmin_system = NULL;
  70
  71
  72 static void update_action_bound(surf_action_workstation_L07_t action)
  73 {
  74   int workstation_nb = action->workstation_nb;
  75   double lat_current = 0.0;
  76   double lat_bound = -1.0;
  77   int i, j;
  78   unsigned int cpt;
  79   link_L07_t link;
  80
  81   for (i = 0; i < workstation_nb; i++) {
  82     for (j = 0; j < workstation_nb; j++) {
  83       cpu_L07_t card_src = action->workstation_list[i];
  84       cpu_L07_t card_dst = action->workstation_list[j];
  85       xbt_dynar_t route = used_routing->get_route(card_src->id, card_dst->id);
  86       double lat = 0.0;
  87
  88       if (action->communication_amount[i * workstation_nb + j] > 0) {
  89         xbt_dynar_foreach(route,cpt,link) {
  90           lat += link->lat_current;
  91         }
  92         lat_current =
  93           MAX(lat_current,
  94               lat * action->communication_amount[i * workstation_nb + j]);
  95       }
  96     }
  97   }
  98   lat_bound = sg_tcp_gamma / (2.0 * lat_current);
  99   DEBUG2("action (%p) : lat_bound = %g", action, lat_bound);
 100   if ((action->latency == 0.0) && (action->suspended == 0)) {
 101     if (action->rate < 0)
 102       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 103                                 lat_bound);
 104     else
 105       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 106                                 min(action->rate, lat_bound));
 107   }
 108 }
 109
 110 /**************************************/
 111 /******* Resource Public     **********/
 112 /**************************************/
 113
 114 static int action_unref(surf_action_t action)
 115 {
 116   action->refcount--;
 117
 118   if (!action->refcount) {
 119     xbt_swag_remove(action, action->state_set);
 120     if (((surf_action_workstation_L07_t) action)->variable)
 121       lmm_variable_free(ptask_maxmin_system,
 122                         ((surf_action_workstation_L07_t) action)->variable);
 123     free(((surf_action_workstation_L07_t) action)->workstation_list);
 124     free(((surf_action_workstation_L07_t) action)->communication_amount);
 125     free(((surf_action_workstation_L07_t) action)->computation_amount);
 126     free(action);
 127     return 1;
 128   }
 129   return 0;
 130 }
 131
 132 static void action_cancel(surf_action_t action)
 133 {
 134   surf_action_state_set(action, SURF_ACTION_FAILED);
 135   return;
 136 }
 137
 138 /* action_change_state is inherited from the surf module */
 139 /* action_set_data is inherited from the surf module */
 140
 141 static void action_suspend(surf_action_t action)
 142 {
 143   XBT_IN1("(%p))", action);
 144   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 145     ((surf_action_workstation_L07_t) action)->suspended = 1;
 146     lmm_update_variable_weight(ptask_maxmin_system,
 147                                ((surf_action_workstation_L07_t)
 148                                 action)->variable, 0.0);
 149   }
 150   XBT_OUT;
 151 }
 152
 153 static void action_resume(surf_action_t action)
 154 {
 155   surf_action_workstation_L07_t act = (surf_action_workstation_L07_t) action;
 156
 157   XBT_IN1("(%p)", act);
 158   if (act->suspended != 2) {
 159     lmm_update_variable_weight(ptask_maxmin_system, act->variable, 1.0);
 160     act->suspended = 0;
 161   }
 162   XBT_OUT;
 163 }
 164
 165 static int action_is_suspended(surf_action_t action)
 166 {
 167   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 168 }
 169
 170 static void action_set_max_duration(surf_action_t action, double duration)
 171 {                               /* FIXME: should inherit */
 172   XBT_IN2("(%p,%g)", action, duration);
 173   action->max_duration = duration;
 174   XBT_OUT;
 175 }
 176
 177
 178 static void action_set_priority(surf_action_t action, double priority)
 179 {                               /* FIXME: should inherit */
 180   XBT_IN2("(%p,%g)", action, priority);
 181   action->priority = priority;
 182   XBT_OUT;
 183 }
 184
 185 /**************************************/
 186 /******* Resource Private    **********/
 187 /**************************************/
 188
 189 static int resource_used(void *resource_id)
 190 {
 191   /* We can freely cast as a link_L07_t because it has
 192      the same prefix as cpu_L07_t */
 193   return lmm_constraint_used(ptask_maxmin_system,
 194                              ((link_L07_t) resource_id)->constraint);
 195
 196 }
 197
 198 static double share_resources(double now)
 199 {
 200   s_surf_action_workstation_L07_t s_action;
 201   surf_action_workstation_L07_t action = NULL;
 202
 203   xbt_swag_t running_actions =
 204     surf_workstation_model->states.running_action_set;
 205   double min = generic_maxmin_share_resources(running_actions,
 206                                               xbt_swag_offset(s_action,
 207                                                               variable),
 208                                               ptask_maxmin_system,
 209                                               bottleneck_solve);
 210
 211   xbt_swag_foreach(action, running_actions) {
 212     if (action->latency > 0) {
 213       if (min < 0) {
 214         min = action->latency;
 215         DEBUG3("Updating min (value) with %p (start %f): %f", action,
 216                action->generic_action.start, min);
 217       } else if (action->latency < min) {
 218         min = action->latency;
 219         DEBUG3("Updating min (latency) with %p (start %f): %f", action,
 220                action->generic_action.start, min);
 221       }
 222     }
 223   }
 224
 225   DEBUG1("min value : %f", min);
 226
 227   return min;
 228 }
 229
 230 static void update_actions_state(double now, double delta)
 231 {
 232   double deltap = 0.0;
 233   surf_action_workstation_L07_t action = NULL;
 234   surf_action_workstation_L07_t next_action = NULL;
 235   xbt_swag_t running_actions =
 236     surf_workstation_model->states.running_action_set;
 237
 238   xbt_swag_foreach_safe(action, next_action, running_actions) {
 239     deltap = delta;
 240     if (action->latency > 0) {
 241       if (action->latency > deltap) {
 242         double_update(&(action->latency), deltap);
 243         deltap = 0.0;
 244       } else {
 245         double_update(&(deltap), action->latency);
 246         action->latency = 0.0;
 247       }
 248       if ((action->latency == 0.0) && (action->suspended == 0)) {
 249         update_action_bound(action);
 250         lmm_update_variable_weight(ptask_maxmin_system, action->variable,
 251                                    1.0);
 252       }
 253     }
 254     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 255            action, action->generic_action.remains,
 256            lmm_variable_getvalue(action->variable) * delta);
 257     double_update(&(action->generic_action.remains),
 258                   lmm_variable_getvalue(action->variable) * delta);
 259
 260     if (action->generic_action.max_duration != NO_MAX_DURATION)
 261       double_update(&(action->generic_action.max_duration), delta);
 262
 263     DEBUG2("Action (%p) : remains (%g).",
 264            action, action->generic_action.remains);
 265     if ((action->generic_action.remains <= 0) &&
 266         (lmm_get_variable_weight(action->variable) > 0)) {
 267       action->generic_action.finish = surf_get_clock();
 268       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 269     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 270                (action->generic_action.max_duration <= 0)) {
 271       action->generic_action.finish = surf_get_clock();
 272       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 273     } else {
 274       /* Need to check that none of the model has failed */
 275       lmm_constraint_t cnst = NULL;
 276       int i = 0;
 277       void *constraint_id = NULL;
 278
 279       while ((cnst =
 280               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 281                                     i++))) {
 282         constraint_id = lmm_constraint_id(cnst);
 283
 284 /*      if(((link_L07_t)constraint_id)->type== */
 285 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 286 /*        DEBUG2("Checking for link %s (%p)", */
 287 /*               ((link_L07_t)constraint_id)->name, */
 288 /*               ((link_L07_t)constraint_id)); */
 289 /*      } */
 290 /*      if(((cpu_L07_t)constraint_id)->type== */
 291 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 292 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
 293 /*               ((cpu_L07_t)constraint_id)->name, */
 294 /*               ((cpu_L07_t)constraint_id), */
 295 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 296 /*      } */
 297
 298         if (((((link_L07_t) constraint_id)->type ==
 299               SURF_WORKSTATION_RESOURCE_LINK) &&
 300              (((link_L07_t) constraint_id)->state_current ==
 301               SURF_LINK_OFF)) ||
 302             ((((cpu_L07_t) constraint_id)->type ==
 303               SURF_WORKSTATION_RESOURCE_CPU) &&
 304              (((cpu_L07_t) constraint_id)->state_current == SURF_CPU_OFF))) {
 305           DEBUG1("Action (%p) Failed!!", action);
 306           action->generic_action.finish = surf_get_clock();
 307           surf_action_state_set((surf_action_t) action,
 308                                    SURF_ACTION_FAILED);
 309           break;
 310         }
 311       }
 312     }
 313   }
 314   return;
 315 }
 316
 317 static void update_resource_state(void *id,
 318                                   tmgr_trace_event_t event_type,
 319                                   double value, double date)
 320 {
 321   cpu_L07_t cpu = id;
 322   link_L07_t nw_link = id;
 323
 324   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 325     DEBUG2("Updating link %s (%p)", nw_link->generic_resource.name, nw_link);
 326     if (event_type == nw_link->bw_event) {
 327       nw_link->bw_current = value;
 328       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 329                                   nw_link->bw_current);
 330     } else if (event_type == nw_link->lat_event) {
 331       lmm_variable_t var = NULL;
 332       surf_action_workstation_L07_t action = NULL;
 333       lmm_element_t elem = NULL;
 334
 335       nw_link->lat_current = value;
 336       while ((var = lmm_get_var_from_cnst
 337               (ptask_maxmin_system, nw_link->constraint, &elem))) {
 338
 339
 340         action = lmm_variable_id(var);
 341         update_action_bound(action);
 342       }
 343
 344     } else if (event_type == nw_link->state_event) {
 345       if (value > 0)
 346         nw_link->state_current = SURF_LINK_ON;
 347       else
 348         nw_link->state_current = SURF_LINK_OFF;
 349     } else {
 350       CRITICAL0("Unknown event ! \n");
 351       xbt_abort();
 352     }
 353     return;
 354   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 355     DEBUG3("Updating cpu %s (%p) with value %g", cpu->generic_resource.name, cpu, value);
 356     if (event_type == cpu->power_event) {
 357       cpu->power_current = value;
 358       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 359                                   cpu->power_current * cpu->power_scale);
 360     } else if (event_type == cpu->state_event) {
 361       if (value > 0)
 362         cpu->state_current = SURF_CPU_ON;
 363       else
 364         cpu->state_current = SURF_CPU_OFF;
 365     } else {
 366       CRITICAL0("Unknown event ! \n");
 367       xbt_abort();
 368     }
 369     return;
 370   } else {
 371     DIE_IMPOSSIBLE;
 372   }
 373   return;
 374 }
 375
 376 static void finalize(void)
 377 {
 378   if (parallel_task_link_set != NULL)
 379     xbt_dict_free(&parallel_task_link_set);
 380
 381   surf_model_exit(surf_workstation_model);
 382   surf_workstation_model = NULL;
 383   surf_model_exit(surf_network_model);
 384   surf_network_model = NULL;
 385   used_routing->finalize();
 386
 387   host_count = 0; // FIXME: KILLME?
 388
 389   if (ptask_maxmin_system) {
 390     lmm_system_free(ptask_maxmin_system);
 391     ptask_maxmin_system = NULL;
 392   }
 393 }
 394
 395 /**************************************/
 396 /******* Resource Private    **********/
 397 /**************************************/
 398
 399 static e_surf_cpu_state_t resource_get_state(void *cpu)
 400 {
 401   return ((cpu_L07_t) cpu)->state_current;
 402 }
 403
 404 static double get_speed(void *cpu, double load)
 405 {
 406   return load * (((cpu_L07_t) cpu)->power_scale);
 407 }
 408
 409 static double get_available_speed(void *cpu)
 410 {
 411   return ((cpu_L07_t) cpu)->power_current;
 412 }
 413
 414 static surf_action_t execute_parallel_task(int workstation_nb,
 415                                            void **workstation_list,
 416                                            double *computation_amount,
 417                                            double *communication_amount,
 418                                            double amount, double rate)
 419 {
 420   surf_action_workstation_L07_t action = NULL;
 421   int i, j;
 422   unsigned int cpt;
 423   int nb_link = 0;
 424   int nb_host = 0;
 425   double latency = 0.0;
 426
 427   if (parallel_task_link_set == NULL)
 428     parallel_task_link_set = xbt_dict_new();
 429
 430   xbt_dict_reset(parallel_task_link_set);
 431
 432   /* Compute the number of affected resources... */
 433   for (i = 0; i < workstation_nb; i++) {
 434     for (j = 0; j < workstation_nb; j++) {
 435       cpu_L07_t card_src = workstation_list[i];
 436       cpu_L07_t card_dst = workstation_list[j];
 437       link_L07_t link;
 438       xbt_dynar_t route = used_routing->get_route(card_src->id, card_dst->id);
 439       double lat = 0.0;
 440
 441       if (communication_amount[i * workstation_nb + j] > 0)
 442         xbt_dynar_foreach(route,cpt,link) {
 443           lat += link->lat_current;
 444           xbt_dict_set(parallel_task_link_set, link->generic_resource.name,
 445                        link, NULL);
 446         }
 447       latency = MAX(latency, lat);
 448     }
 449   }
 450
 451   nb_link = xbt_dict_length(parallel_task_link_set);
 452   xbt_dict_reset(parallel_task_link_set);
 453
 454   for (i = 0; i < workstation_nb; i++)
 455     if (computation_amount[i] > 0)
 456       nb_host++;
 457
 458   action=surf_action_new(sizeof(s_surf_action_workstation_L07_t),amount,surf_workstation_model,0);
 459   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 460          action, workstation_nb, nb_link);
 461   action->suspended = 0;        /* Should be useless because of the
 462                                    calloc but it seems to help valgrind... */
 463   action->workstation_nb = workstation_nb;
 464   action->workstation_list = (cpu_L07_t *) workstation_list;
 465   action->computation_amount = computation_amount;
 466   action->communication_amount = communication_amount;
 467   action->latency = latency;
 468   action->rate = rate;
 469
 470   action->variable =
 471     lmm_variable_new(ptask_maxmin_system, action, 1.0,
 472                      (action->rate > 0) ? action->rate : -1.0,
 473                      workstation_nb + nb_link);
 474
 475   if (action->latency > 0)
 476     lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 477
 478   for (i = 0; i < workstation_nb; i++)
 479     lmm_expand(ptask_maxmin_system,
 480                ((cpu_L07_t) workstation_list[i])->constraint,
 481                action->variable, computation_amount[i]);
 482
 483   for (i = 0; i < workstation_nb; i++) {
 484     for (j = 0; j < workstation_nb; j++) {
 485       cpu_L07_t card_src = workstation_list[i];
 486       cpu_L07_t card_dst = workstation_list[j];
 487       link_L07_t link;
 488       xbt_dynar_t route = used_routing->get_route(card_src->id, card_dst->id);
 489
 490       if (communication_amount[i * workstation_nb + j] == 0.0)
 491         continue;
 492       xbt_dynar_foreach(route,cpt,link) {
 493         lmm_expand_add(ptask_maxmin_system, link->constraint,
 494                        action->variable,
 495                        communication_amount[i * workstation_nb + j]);
 496       }
 497     }
 498   }
 499
 500   if (nb_link + nb_host == 0) {
 501     action->generic_action.cost = 1.0;
 502     action->generic_action.remains = 0.0;
 503   }
 504
 505   return (surf_action_t) action;
 506 }
 507
 508 static surf_action_t execute(void *cpu, double size)
 509 {
 510   void **workstation_list = xbt_new0(void *, 1);
 511   double *computation_amount = xbt_new0(double, 1);
 512   double *communication_amount = xbt_new0(double, 1);
 513
 514   workstation_list[0] = cpu;
 515   communication_amount[0] = 0.0;
 516   computation_amount[0] = size;
 517
 518   return execute_parallel_task(1, workstation_list, computation_amount,
 519                                communication_amount, 1, -1);
 520 }
 521
 522 static surf_action_t communicate(void *src, void *dst, double size,
 523                                  double rate)
 524 {
 525   void **workstation_list = xbt_new0(void *, 2);
 526   double *computation_amount = xbt_new0(double, 2);
 527   double *communication_amount = xbt_new0(double, 4);
 528   surf_action_t res = NULL;
 529
 530   workstation_list[0] = src;
 531   workstation_list[1] = dst;
 532   communication_amount[1] = size;
 533
 534   res = execute_parallel_task(2, workstation_list,
 535                               computation_amount, communication_amount,
 536                               1, rate);
 537
 538   return res;
 539 }
 540
 541 static surf_action_t action_sleep(void *cpu, double duration)
 542 {
 543   surf_action_workstation_L07_t action = NULL;
 544
 545   XBT_IN2("(%s,%g)", ((cpu_L07_t) cpu)->generic_resource.name, duration);
 546
 547   action = (surf_action_workstation_L07_t) execute(cpu, 1.0);
 548   action->generic_action.max_duration = duration;
 549   action->suspended = 2;
 550   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 551
 552   XBT_OUT;
 553   return (surf_action_t) action;
 554 }
 555
 556 static xbt_dynar_t get_route(void *src, void *dst)
 557 {
 558   cpu_L07_t host_src = src;
 559   cpu_L07_t host_dst = dst;
 560
 561   return used_routing->get_route(host_src->id, host_dst->id);
 562 }
 563
 564 static double get_link_bandwidth(const void *link)
 565 {
 566   return ((link_L07_t) link)->bw_current;
 567 }
 568
 569 static double get_link_latency(const void *link)
 570 {
 571   return ((link_L07_t) link)->lat_current;
 572 }
 573
 574 static int link_shared(const void *link)
 575 {
 576   return lmm_constraint_is_shared(((link_L07_t) link)->constraint);
 577 }
 578
 579 /**************************************/
 580 /*** Resource Creation & Destruction **/
 581 /**************************************/
 582
 583 static cpu_L07_t cpu_new(const char *name, double power_scale,
 584                          double power_initial,
 585                          tmgr_trace_t power_trace,
 586                          e_surf_cpu_state_t state_initial,
 587                          tmgr_trace_t state_trace, xbt_dict_t cpu_properties)
 588 {
 589   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
 590   xbt_assert1(!surf_model_resource_by_name(surf_workstation_model, name),
 591               "Host '%s' declared several times in the platform file.", name);
 592
 593   cpu->generic_resource.model = surf_workstation_model;
 594   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 595   cpu->generic_resource.name = xbt_strdup(name);
 596   cpu->generic_resource.properties = current_property_set;
 597   cpu->id = host_count++;
 598
 599   cpu->power_scale = power_scale;
 600   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 601
 602   cpu->power_current = power_initial;
 603   if (power_trace)
 604     cpu->power_event =
 605       tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 606
 607   cpu->state_current = state_initial;
 608   if (state_trace)
 609     cpu->state_event =
 610       tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 611
 612   cpu->constraint =
 613     lmm_constraint_new(ptask_maxmin_system, cpu,
 614                        cpu->power_current * cpu->power_scale);
 615
 616   xbt_dict_set(surf_model_resource_set(surf_workstation_model), name, cpu,
 617                surf_resource_free);
 618
 619   return cpu;
 620 }
 621
 622 static void parse_cpu_init(void)
 623 {
 624   double power_scale = 0.0;
 625   double power_initial = 0.0;
 626   tmgr_trace_t power_trace = NULL;
 627   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 628   tmgr_trace_t state_trace = NULL;
 629
 630   power_scale = get_cpu_power(A_surfxml_host_power);
 631   surf_parse_get_double(&power_initial, A_surfxml_host_availability);
 632   surf_parse_get_trace(&power_trace, A_surfxml_host_availability_file);
 633
 634   xbt_assert0((A_surfxml_host_state == A_surfxml_host_state_ON) ||
 635               (A_surfxml_host_state == A_surfxml_host_state_OFF),
 636               "Invalid state");
 637   if (A_surfxml_host_state == A_surfxml_host_state_ON)
 638     state_initial = SURF_CPU_ON;
 639   if (A_surfxml_host_state == A_surfxml_host_state_OFF)
 640     state_initial = SURF_CPU_OFF;
 641   surf_parse_get_trace(&state_trace, A_surfxml_host_state_file);
 642
 643   current_property_set = xbt_dict_new();
 644   cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
 645           state_initial, state_trace, current_property_set);
 646 }
 647
 648 static link_L07_t link_new(char *name,
 649                            double bw_initial,
 650                            tmgr_trace_t bw_trace,
 651                            double lat_initial,
 652                            tmgr_trace_t lat_trace,
 653                            e_surf_link_state_t
 654                            state_initial,
 655                            tmgr_trace_t state_trace,
 656                            e_surf_link_sharing_policy_t
 657                            policy, xbt_dict_t properties)
 658 {
 659   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
 660   xbt_assert1(!xbt_dict_get_or_null(surf_network_model->resource_set, name),
 661               "Link '%s' declared several times in the platform file.", name);
 662
 663   nw_link->generic_resource.model = surf_workstation_model;
 664   nw_link->generic_resource.properties = properties;
 665   nw_link->generic_resource.name = name;
 666   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 667   nw_link->bw_current = bw_initial;
 668   if (bw_trace)
 669     nw_link->bw_event =
 670       tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 671   nw_link->state_current = state_initial;
 672   nw_link->lat_current = lat_initial;
 673   if (lat_trace)
 674     nw_link->lat_event =
 675       tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 676   if (state_trace)
 677     nw_link->state_event =
 678       tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 679
 680   nw_link->constraint =
 681     lmm_constraint_new(ptask_maxmin_system, nw_link, nw_link->bw_current);
 682
 683   if (policy == SURF_LINK_FATPIPE)
 684     lmm_constraint_shared(nw_link->constraint);
 685
 686
 687   xbt_dict_set(surf_network_model->resource_set, name, nw_link, surf_resource_free);
 688
 689   return nw_link;
 690 }
 691
 692 static void parse_link_init(void)
 693 {
 694   char *name_link;
 695   double bw_initial;
 696   tmgr_trace_t bw_trace;
 697   double lat_initial;
 698   tmgr_trace_t lat_trace;
 699   e_surf_link_state_t state_initial_link = SURF_LINK_ON;
 700   e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
 701   tmgr_trace_t state_trace;
 702
 703   name_link = xbt_strdup(A_surfxml_link_id);
 704   surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
 705   surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
 706   surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
 707   surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
 708
 709   xbt_assert0((A_surfxml_link_state == A_surfxml_link_state_ON)
 710               || (A_surfxml_link_state ==
 711                   A_surfxml_link_state_OFF), "Invalid state");
 712   if (A_surfxml_link_state == A_surfxml_link_state_ON)
 713     state_initial_link = SURF_LINK_ON;
 714   else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
 715     state_initial_link = SURF_LINK_OFF;
 716
 717   if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
 718     policy_initial_link = SURF_LINK_SHARED;
 719   else if (A_surfxml_link_sharing_policy ==
 720            A_surfxml_link_sharing_policy_FATPIPE)
 721     policy_initial_link = SURF_LINK_FATPIPE;
 722
 723   surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
 724
 725   current_property_set = xbt_dict_new();
 726   link_new(name_link, bw_initial, bw_trace, lat_initial, lat_trace,
 727            state_initial_link, state_trace, policy_initial_link,
 728            current_property_set);
 729 }
 730
 731 static void add_traces(void)
 732 {
 733   xbt_dict_cursor_t cursor = NULL;
 734   char *trace_name, *elm;
 735
 736   if (!trace_connect_list_host_avail)
 737     return;
 738
 739   /* Connect traces relative to cpu */
 740   xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 741     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 742     cpu_L07_t host = surf_model_resource_by_name(surf_workstation_model, elm);
 743
 744     xbt_assert1(host, "Host %s undefined", elm);
 745     xbt_assert1(trace, "Trace %s undefined", trace_name);
 746
 747     host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 748   }
 749
 750   xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 751     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 752     cpu_L07_t host = surf_model_resource_by_name(surf_workstation_model, elm);
 753
 754     xbt_assert1(host, "Host %s undefined", elm);
 755     xbt_assert1(trace, "Trace %s undefined", trace_name);
 756
 757     host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 758   }
 759
 760   /* Connect traces relative to network */
 761   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 762     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 763     link_L07_t link = xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 764
 765     xbt_assert1(link, "Link %s undefined", elm);
 766     xbt_assert1(trace, "Trace %s undefined", trace_name);
 767
 768     link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 769   }
 770
 771   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 772     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 773     link_L07_t link = xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 774
 775     xbt_assert1(link, "Link %s undefined", elm);
 776     xbt_assert1(trace, "Trace %s undefined", trace_name);
 777
 778     link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 779   }
 780
 781   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 782     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 783     link_L07_t link = xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 784
 785     xbt_assert1(link, "Link %s undefined", elm);
 786     xbt_assert1(trace, "Trace %s undefined", trace_name);
 787
 788     link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 789   }
 790 }
 791
 792 static void define_callbacks(const char *file)
 793 {
 794   /* Adding callback functions */
 795   surf_parse_reset_parser();
 796   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_cpu_init);
 797   surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
 798   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
 799 }
 800
 801
 802 /**************************************/
 803 /********* Module  creation ***********/
 804 /**************************************/
 805
 806 static void model_init_internal(void)
 807 {
 808   surf_workstation_model = surf_model_init();
 809
 810   surf_workstation_model->action_unref = action_unref;
 811   surf_workstation_model->action_cancel = action_cancel;
 812   surf_workstation_model->action_state_set = surf_action_state_set;
 813   surf_workstation_model->suspend = action_suspend;
 814   surf_workstation_model->resume = action_resume;
 815   surf_workstation_model->is_suspended = action_is_suspended;
 816   surf_workstation_model->set_max_duration = action_set_max_duration;
 817   surf_workstation_model->set_priority = action_set_priority;
 818   surf_workstation_model->name = "Workstation ptask_L07";
 819
 820   surf_workstation_model->model_private->resource_used = resource_used;
 821   surf_workstation_model->model_private->share_resources = share_resources;
 822   surf_workstation_model->model_private->update_actions_state =
 823     update_actions_state;
 824   surf_workstation_model->model_private->update_resource_state =
 825     update_resource_state;
 826   surf_workstation_model->model_private->finalize = finalize;
 827
 828   surf_workstation_model->extension.workstation.execute = execute;
 829   surf_workstation_model->extension.workstation.sleep = action_sleep;
 830   surf_workstation_model->extension.workstation.get_state =
 831     resource_get_state;
 832   surf_workstation_model->extension.workstation.get_speed = get_speed;
 833   surf_workstation_model->extension.workstation.get_available_speed =
 834     get_available_speed;
 835   surf_workstation_model->extension.workstation.communicate = communicate;
 836   surf_workstation_model->extension.workstation.get_route = get_route;
 837   surf_workstation_model->extension.workstation.execute_parallel_task =
 838     execute_parallel_task;
 839   surf_workstation_model->extension.workstation.get_link_bandwidth =
 840     get_link_bandwidth;
 841   surf_workstation_model->extension.workstation.get_link_latency =
 842     get_link_latency;
 843   surf_workstation_model->extension.workstation.link_shared = link_shared;
 844
 845   if (!ptask_maxmin_system)
 846     ptask_maxmin_system = lmm_system_new();
 847
 848   routing_model_full_create(sizeof(link_L07_t),
 849         link_new(xbt_strdup("__MSG_loopback__"),
 850             498000000, NULL, 0.000015, NULL,
 851             SURF_LINK_ON, NULL, SURF_LINK_FATPIPE, NULL));
 852
 853 }
 854
 855 /**************************************/
 856 /*************** Generic **************/
 857 /**************************************/
 858 void surf_workstation_model_init_ptask_L07(const char *filename)
 859 {
 860   xbt_assert0(!surf_cpu_model, "CPU model type already defined");
 861   xbt_assert0(!surf_network_model, "network model type already defined");
 862   surf_network_model = surf_model_init();
 863   define_callbacks(filename);
 864   model_init_internal();
 865
 866   update_model_description(surf_workstation_model_description,
 867                            "ptask_L07", surf_workstation_model);
 868   xbt_dynar_push(model_list, &surf_workstation_model);
 869 }