src/surf/workstation_ptask_L07.c

   1 /* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   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. */
   6
   7 #include "xbt/ex.h"
   8 #include "xbt/str.h"
   9 #include "xbt/dict.h"
  10 #include "surf_private.h"
  11 #include "surf/surf_resource.h"
  12 //#include "surf/surf_resource_lmm.h"
  13
  14 typedef enum {
  15   SURF_WORKSTATION_RESOURCE_CPU,
  16   SURF_WORKSTATION_RESOURCE_LINK
  17 } e_surf_workstation_model_type_t;
  18
  19 /**************************************/
  20 /********* cpu object *****************/
  21 /**************************************/
  22 typedef struct cpu_L07 {
  23   s_surf_resource_t generic_resource;   /* Do not move this field: must match surf_resource_t */
  24   e_surf_workstation_model_type_t type; /* Do not move this field: must match link_L07_t */
  25   lmm_constraint_t constraint;  /* Do not move this field: must match link_L07_t */
  26   double power_scale;
  27   double power_current;
  28   tmgr_trace_event_t power_event;
  29   tmgr_trace_event_t state_event;
  30   e_surf_resource_state_t state_current;
  31   int id;                       /* cpu and network card are a single object... */
  32 } s_cpu_L07_t, *cpu_L07_t;
  33
  34 /**************************************/
  35 /*********** network object ***********/
  36 /**************************************/
  37
  38 typedef struct link_L07 {
  39   s_surf_resource_t generic_resource;   /* Do not move this field: must match surf_resource_t */
  40   e_surf_workstation_model_type_t type; /* Do not move this field: must match cpu_L07_t */
  41   lmm_constraint_t constraint;  /* Do not move this field: must match cpu_L07_t */
  42   double lat_current;
  43   tmgr_trace_event_t lat_event;
  44   double bw_current;
  45   tmgr_trace_event_t bw_event;
  46   e_surf_resource_state_t state_current;
  47   tmgr_trace_event_t state_event;
  48 } s_link_L07_t, *link_L07_t;
  49
  50 /**************************************/
  51 /*************** actions **************/
  52 /**************************************/
  53 typedef struct surf_action_workstation_L07 {
  54   s_surf_action_t generic_action;
  55   lmm_variable_t variable;
  56   int workstation_nb;
  57   cpu_L07_t *workstation_list;
  58   double *computation_amount;
  59   double *communication_amount;
  60   double latency;
  61   double rate;
  62   int suspended;
  63 } s_surf_action_workstation_L07_t, *surf_action_workstation_L07_t;
  64
  65
  66 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
  67
  68 static int ptask_host_count = 0;
  69 static xbt_dict_t ptask_parallel_task_link_set = NULL;
  70 lmm_system_t ptask_maxmin_system = NULL;
  71
  72 static surf_action_t die_impossible_communicate (const char *src_name, const char *dst_name, double size, double rate)
  73 {
  74   DIE_IMPOSSIBLE;
  75   return NULL;
  76 }
  77
  78 static xbt_dynar_t die_impossible_get_route(const char *src_name, const char *dst_name)
  79 {
  80   DIE_IMPOSSIBLE;
  81   return NULL;
  82 }
  83
  84 static void ptask_update_action_bound(surf_action_workstation_L07_t action)
  85 {
  86   int workstation_nb = action->workstation_nb;
  87   double lat_current = 0.0;
  88   double lat_bound = -1.0;
  89   int i, j;
  90
  91   for (i = 0; i < workstation_nb; i++) {
  92     for (j = 0; j < workstation_nb; j++) {
  93       xbt_dynar_t route=NULL;
  94
  95       if (action->communication_amount[i * workstation_nb + j] > 0) {
  96         double lat = 0.0;
  97         routing_get_route_and_latency(surf_resource_name
  98             (action->workstation_list[i]),
  99             surf_resource_name(action->workstation_list[j]),
 100             &route, &lat);
 101         lat_current =
 102             MAX(lat_current,
 103                 lat * action->communication_amount[i * workstation_nb + j]);
 104       }
 105     }
 106   }
 107   lat_bound = sg_tcp_gamma / (2.0 * lat_current);
 108   XBT_DEBUG("action (%p) : lat_bound = %g", action, lat_bound);
 109   if ((action->latency == 0.0) && (action->suspended == 0)) {
 110     if (action->rate < 0)
 111       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 112                                 lat_bound);
 113     else
 114       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 115                                 min(action->rate, lat_bound));
 116   }
 117 }
 118
 119 /**************************************/
 120 /******* Resource Public     **********/
 121 /**************************************/
 122
 123 static int ptask_action_unref(surf_action_t action)
 124 {
 125   action->refcount--;
 126
 127   if (!action->refcount) {
 128     xbt_swag_remove(action, action->state_set);
 129     if (((surf_action_workstation_L07_t) action)->variable)
 130       lmm_variable_free(ptask_maxmin_system,
 131                         ((surf_action_workstation_L07_t)
 132                          action)->variable);
 133     free(((surf_action_workstation_L07_t) action)->workstation_list);
 134     free(((surf_action_workstation_L07_t) action)->communication_amount);
 135     free(((surf_action_workstation_L07_t) action)->computation_amount);
 136     surf_action_free(&action);
 137     return 1;
 138   }
 139   return 0;
 140 }
 141
 142 static void ptask_action_cancel(surf_action_t action)
 143 {
 144   surf_action_state_set(action, SURF_ACTION_FAILED);
 145   return;
 146 }
 147
 148 /* action_change_state is inherited from the surf module */
 149 /* action_set_data is inherited from the surf module */
 150
 151 static void ptask_action_suspend(surf_action_t action)
 152 {
 153   XBT_IN("(%p))", action);
 154   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 155     ((surf_action_workstation_L07_t) action)->suspended = 1;
 156     lmm_update_variable_weight(ptask_maxmin_system,
 157                                ((surf_action_workstation_L07_t)
 158                                 action)->variable, 0.0);
 159   }
 160   XBT_OUT();
 161 }
 162
 163 static void ptask_action_resume(surf_action_t action)
 164 {
 165   surf_action_workstation_L07_t act =
 166       (surf_action_workstation_L07_t) action;
 167
 168   XBT_IN("(%p)", act);
 169   if (act->suspended != 2) {
 170     lmm_update_variable_weight(ptask_maxmin_system, act->variable, 1.0);
 171     act->suspended = 0;
 172   }
 173   XBT_OUT();
 174 }
 175
 176 static int ptask_action_is_suspended(surf_action_t action)
 177 {
 178   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 179 }
 180
 181 static void ptask_action_set_max_duration(surf_action_t action,
 182                                           double duration)
 183 {                               /* FIXME: should inherit */
 184   XBT_IN("(%p,%g)", action, duration);
 185   action->max_duration = duration;
 186   XBT_OUT();
 187 }
 188
 189
 190 static void ptask_action_set_priority(surf_action_t action,
 191                                       double priority)
 192 {                               /* FIXME: should inherit */
 193   XBT_IN("(%p,%g)", action, priority);
 194   action->priority = priority;
 195   XBT_OUT();
 196 }
 197
 198 static double ptask_action_get_remains(surf_action_t action)
 199 {
 200   XBT_IN("(%p)", action);
 201   XBT_OUT();
 202   return action->remains;
 203 }
 204
 205 /**************************************/
 206 /******* Resource Private    **********/
 207 /**************************************/
 208
 209 static int ptask_resource_used(void *resource_id)
 210 {
 211   /* We can freely cast as a link_L07_t because it has
 212      the same prefix as cpu_L07_t */
 213   return lmm_constraint_used(ptask_maxmin_system,
 214                              ((link_L07_t) resource_id)->constraint);
 215
 216 }
 217
 218 static double ptask_share_resources(double now)
 219 {
 220   s_surf_action_workstation_L07_t s_action;
 221   surf_action_workstation_L07_t action = NULL;
 222
 223   xbt_swag_t running_actions =
 224       surf_workstation_model->states.running_action_set;
 225   double min = generic_maxmin_share_resources(running_actions,
 226                                               xbt_swag_offset(s_action,
 227                                                               variable),
 228                                               ptask_maxmin_system,
 229                                               bottleneck_solve);
 230
 231   xbt_swag_foreach(action, running_actions) {
 232     if (action->latency > 0) {
 233       if (min < 0) {
 234         min = action->latency;
 235         XBT_DEBUG("Updating min (value) with %p (start %f): %f", action,
 236                action->generic_action.start, min);
 237       } else if (action->latency < min) {
 238         min = action->latency;
 239         XBT_DEBUG("Updating min (latency) with %p (start %f): %f", action,
 240                action->generic_action.start, min);
 241       }
 242     }
 243   }
 244
 245   XBT_DEBUG("min value : %f", min);
 246
 247   return min;
 248 }
 249
 250 static void ptask_update_actions_state(double now, double delta)
 251 {
 252   double deltap = 0.0;
 253   surf_action_workstation_L07_t action = NULL;
 254   surf_action_workstation_L07_t next_action = NULL;
 255   xbt_swag_t running_actions =
 256       surf_workstation_model->states.running_action_set;
 257
 258   xbt_swag_foreach_safe(action, next_action, running_actions) {
 259     deltap = delta;
 260     if (action->latency > 0) {
 261       if (action->latency > deltap) {
 262         double_update(&(action->latency), deltap);
 263         deltap = 0.0;
 264       } else {
 265         double_update(&(deltap), action->latency);
 266         action->latency = 0.0;
 267       }
 268       if ((action->latency == 0.0) && (action->suspended == 0)) {
 269         ptask_update_action_bound(action);
 270         lmm_update_variable_weight(ptask_maxmin_system, action->variable,
 271                                    1.0);
 272       }
 273     }
 274     XBT_DEBUG("Action (%p) : remains (%g) updated by %g.",
 275            action, action->generic_action.remains,
 276            lmm_variable_getvalue(action->variable) * delta);
 277     double_update(&(action->generic_action.remains),
 278                   lmm_variable_getvalue(action->variable) * delta);
 279
 280     if (action->generic_action.max_duration != NO_MAX_DURATION)
 281       double_update(&(action->generic_action.max_duration), delta);
 282
 283     XBT_DEBUG("Action (%p) : remains (%g).",
 284            action, action->generic_action.remains);
 285     if ((action->generic_action.remains <= 0) &&
 286         (lmm_get_variable_weight(action->variable) > 0)) {
 287       action->generic_action.finish = surf_get_clock();
 288       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 289     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 290                (action->generic_action.max_duration <= 0)) {
 291       action->generic_action.finish = surf_get_clock();
 292       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 293     } else {
 294       /* Need to check that none of the model has failed */
 295       lmm_constraint_t cnst = NULL;
 296       int i = 0;
 297       void *constraint_id = NULL;
 298
 299       while ((cnst =
 300               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 301                                     i++))) {
 302         constraint_id = lmm_constraint_id(cnst);
 303
 304 /*      if(((link_L07_t)constraint_id)->type== */
 305 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 306 /*        XBT_DEBUG("Checking for link %s (%p)", */
 307 /*               ((link_L07_t)constraint_id)->name, */
 308 /*               ((link_L07_t)constraint_id)); */
 309 /*      } */
 310 /*      if(((cpu_L07_t)constraint_id)->type== */
 311 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 312 /*        XBT_DEBUG("Checking for cpu %s (%p) : %s", */
 313 /*               ((cpu_L07_t)constraint_id)->name, */
 314 /*               ((cpu_L07_t)constraint_id), */
 315 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 316 /*      } */
 317
 318         if (((((link_L07_t) constraint_id)->type ==
 319               SURF_WORKSTATION_RESOURCE_LINK) &&
 320              (((link_L07_t) constraint_id)->state_current ==
 321               SURF_RESOURCE_OFF)) ||
 322             ((((cpu_L07_t) constraint_id)->type ==
 323               SURF_WORKSTATION_RESOURCE_CPU) &&
 324              (((cpu_L07_t) constraint_id)->state_current ==
 325               SURF_RESOURCE_OFF))) {
 326           XBT_DEBUG("Action (%p) Failed!!", action);
 327           action->generic_action.finish = surf_get_clock();
 328           surf_action_state_set((surf_action_t) action,
 329                                 SURF_ACTION_FAILED);
 330           break;
 331         }
 332       }
 333     }
 334   }
 335   return;
 336 }
 337
 338 static void ptask_update_resource_state(void *id,
 339                                         tmgr_trace_event_t event_type,
 340                                         double value, double date)
 341 {
 342   cpu_L07_t cpu = id;
 343   link_L07_t nw_link = id;
 344
 345   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 346     XBT_DEBUG("Updating link %s (%p)", surf_resource_name(nw_link), nw_link);
 347     if (event_type == nw_link->bw_event) {
 348       nw_link->bw_current = value;
 349       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 350                                   nw_link->bw_current);
 351       if (tmgr_trace_event_free(event_type))
 352         nw_link->bw_event = NULL;
 353     } else if (event_type == nw_link->lat_event) {
 354       lmm_variable_t var = NULL;
 355       surf_action_workstation_L07_t action = NULL;
 356       lmm_element_t elem = NULL;
 357
 358       nw_link->lat_current = value;
 359       while ((var = lmm_get_var_from_cnst
 360               (ptask_maxmin_system, nw_link->constraint, &elem))) {
 361
 362
 363         action = lmm_variable_id(var);
 364         ptask_update_action_bound(action);
 365       }
 366       if (tmgr_trace_event_free(event_type))
 367         nw_link->lat_event = NULL;
 368
 369     } else if (event_type == nw_link->state_event) {
 370       if (value > 0)
 371         nw_link->state_current = SURF_RESOURCE_ON;
 372       else
 373         nw_link->state_current = SURF_RESOURCE_OFF;
 374       if (tmgr_trace_event_free(event_type))
 375         nw_link->state_event = NULL;
 376     } else {
 377       XBT_CRITICAL("Unknown event ! \n");
 378       xbt_abort();
 379     }
 380     return;
 381   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 382     XBT_DEBUG("Updating cpu %s (%p) with value %g", surf_resource_name(cpu),
 383            cpu, value);
 384     if (event_type == cpu->power_event) {
 385       cpu->power_current = value;
 386       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 387                                   cpu->power_current * cpu->power_scale);
 388       if (tmgr_trace_event_free(event_type))
 389         cpu->power_event = NULL;
 390     } else if (event_type == cpu->state_event) {
 391       if (value > 0)
 392         cpu->state_current = SURF_RESOURCE_ON;
 393       else
 394         cpu->state_current = SURF_RESOURCE_OFF;
 395       if (tmgr_trace_event_free(event_type))
 396         cpu->state_event = NULL;
 397     } else {
 398       XBT_CRITICAL("Unknown event ! \n");
 399       xbt_abort();
 400     }
 401     return;
 402   } else {
 403     DIE_IMPOSSIBLE;
 404   }
 405   return;
 406 }
 407
 408 static void ptask_finalize(void)
 409 {
 410   xbt_dict_free(&ptask_parallel_task_link_set);
 411
 412   surf_model_exit(surf_workstation_model);
 413   surf_workstation_model = NULL;
 414   surf_model_exit(surf_network_model);
 415   surf_network_model = NULL;
 416
 417   ptask_host_count = 0;
 418
 419   if (ptask_maxmin_system) {
 420     lmm_system_free(ptask_maxmin_system);
 421     ptask_maxmin_system = NULL;
 422   }
 423 }
 424
 425 /**************************************/
 426 /******* Resource Private    **********/
 427 /**************************************/
 428
 429 static e_surf_resource_state_t ptask_resource_get_state(void *cpu)
 430 {
 431   return ((cpu_L07_t) cpu)->state_current;
 432 }
 433
 434 static double ptask_get_speed(void *cpu, double load)
 435 {
 436   return load * (((cpu_L07_t) cpu)->power_scale);
 437 }
 438
 439 static double ptask_get_available_speed(void *cpu)
 440 {
 441   return ((cpu_L07_t) cpu)->power_current;
 442 }
 443
 444 static surf_action_t ptask_execute_parallel_task(int workstation_nb,
 445                                                  void **workstation_list,
 446                                                  double
 447                                                  *computation_amount, double
 448                                                  *communication_amount,
 449                                                  double amount,
 450                                                  double rate)
 451 {
 452   surf_action_workstation_L07_t action = NULL;
 453   int i, j;
 454   unsigned int cpt;
 455   int nb_link = 0;
 456   int nb_host = 0;
 457   double latency = 0.0;
 458
 459   if (ptask_parallel_task_link_set == NULL)
 460     ptask_parallel_task_link_set = xbt_dict_new_homogeneous(NULL);
 461
 462   xbt_dict_reset(ptask_parallel_task_link_set);
 463
 464   /* Compute the number of affected resources... */
 465   for (i = 0; i < workstation_nb; i++) {
 466     for (j = 0; j < workstation_nb; j++) {
 467       xbt_dynar_t route=NULL;
 468
 469       if (communication_amount[i * workstation_nb + j] > 0) {
 470         double lat=0.0;
 471         unsigned int cpt;
 472         link_L07_t link;
 473
 474         routing_get_route_and_latency(
 475             surf_resource_name(workstation_list[i]),
 476             surf_resource_name(workstation_list[j]),
 477             &route,&lat);
 478         latency = MAX(latency, lat);
 479
 480         xbt_dynar_foreach(route, cpt, link) {
 481            xbt_dict_set(ptask_parallel_task_link_set,link->generic_resource.name,link,NULL);
 482         }
 483       }
 484     }
 485   }
 486
 487   nb_link = xbt_dict_length(ptask_parallel_task_link_set);
 488   xbt_dict_reset(ptask_parallel_task_link_set);
 489
 490   for (i = 0; i < workstation_nb; i++)
 491     if (computation_amount[i] > 0)
 492       nb_host++;
 493
 494   action =
 495       surf_action_new(sizeof(s_surf_action_workstation_L07_t), amount,
 496                       surf_workstation_model, 0);
 497   XBT_DEBUG("Creating a parallel task (%p) with %d cpus and %d links.",
 498          action, workstation_nb, nb_link);
 499   action->suspended = 0;        /* Should be useless because of the
 500                                    calloc but it seems to help valgrind... */
 501   action->workstation_nb = workstation_nb;
 502   action->workstation_list = (cpu_L07_t *) workstation_list;
 503   action->computation_amount = computation_amount;
 504   action->communication_amount = communication_amount;
 505   action->latency = latency;
 506   action->rate = rate;
 507
 508   action->variable =
 509       lmm_variable_new(ptask_maxmin_system, action, 1.0,
 510                        (action->rate > 0) ? action->rate : -1.0,
 511                        workstation_nb + nb_link);
 512
 513   if (action->latency > 0)
 514     lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 515
 516   for (i = 0; i < workstation_nb; i++)
 517     lmm_expand(ptask_maxmin_system,
 518                ((cpu_L07_t) workstation_list[i])->constraint,
 519                action->variable, computation_amount[i]);
 520
 521   for (i = 0; i < workstation_nb; i++) {
 522     for (j = 0; j < workstation_nb; j++) {
 523       link_L07_t link;
 524       xbt_dynar_t route=NULL;
 525       if (communication_amount[i * workstation_nb + j] == 0.0)
 526         continue;
 527
 528       routing_get_route_and_latency(
 529           surf_resource_name(workstation_list[i]),
 530           surf_resource_name(workstation_list[j]),
 531           &route,NULL);
 532
 533       xbt_dynar_foreach(route, cpt, link) {
 534         lmm_expand_add(ptask_maxmin_system, link->constraint,
 535                        action->variable,
 536                        communication_amount[i * workstation_nb + j]);
 537       }
 538     }
 539   }
 540
 541   if (nb_link + nb_host == 0) {
 542     action->generic_action.cost = 1.0;
 543     action->generic_action.remains = 0.0;
 544   }
 545
 546   return (surf_action_t) action;
 547 }
 548
 549 static surf_action_t ptask_execute(void *cpu, double size)
 550 {
 551   void **workstation_list = xbt_new0(void *, 1);
 552   double *computation_amount = xbt_new0(double, 1);
 553   double *communication_amount = xbt_new0(double, 1);
 554
 555   workstation_list[0] = cpu;
 556   communication_amount[0] = 0.0;
 557   computation_amount[0] = size;
 558
 559   return ptask_execute_parallel_task(1, workstation_list,
 560                                      computation_amount,
 561                                      communication_amount, 1, -1);
 562 }
 563
 564 static surf_action_t ptask_communicate(void *src, void *dst, double size,
 565                                        double rate)
 566 {
 567   void **workstation_list = xbt_new0(void *, 2);
 568   double *computation_amount = xbt_new0(double, 2);
 569   double *communication_amount = xbt_new0(double, 4);
 570   surf_action_t res = NULL;
 571
 572   workstation_list[0] = src;
 573   workstation_list[1] = dst;
 574   communication_amount[1] = size;
 575
 576   res = ptask_execute_parallel_task(2, workstation_list,
 577                                     computation_amount,
 578                                     communication_amount, 1, rate);
 579
 580   return res;
 581 }
 582
 583 static surf_action_t ptask_action_sleep(void *cpu, double duration)
 584 {
 585   surf_action_workstation_L07_t action = NULL;
 586
 587   XBT_IN("(%s,%g)", surf_resource_name(cpu), duration);
 588
 589   action = (surf_action_workstation_L07_t) ptask_execute(cpu, 1.0);
 590   action->generic_action.max_duration = duration;
 591   action->suspended = 2;
 592   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 593
 594   XBT_OUT();
 595   return (surf_action_t) action;
 596 }
 597
 598 static xbt_dynar_t ptask_get_route(void *src, void *dst) // FIXME: kill that callback kind?
 599 {
 600   xbt_dynar_t route=NULL;
 601   routing_get_route_and_latency(
 602       surf_resource_name(src), surf_resource_name(dst),
 603       &route,NULL);
 604   return route;
 605 }
 606
 607 static double ptask_get_link_bandwidth(const void *link)
 608 {
 609   return ((link_L07_t) link)->bw_current;
 610 }
 611
 612 static double ptask_get_link_latency(const void *link)
 613 {
 614   return ((link_L07_t) link)->lat_current;
 615 }
 616
 617 static int ptask_link_shared(const void *link)
 618 {
 619   return lmm_constraint_is_shared(((link_L07_t) link)->constraint);
 620 }
 621
 622 /**************************************/
 623 /*** Resource Creation & Destruction **/
 624 /**************************************/
 625
 626 static void* ptask_cpu_create_resource(const char *name, double power_scale,
 627                                double power_initial,
 628                                tmgr_trace_t power_trace,
 629                                e_surf_resource_state_t state_initial,
 630                                tmgr_trace_t state_trace,
 631                                xbt_dict_t cpu_properties)
 632 {
 633   cpu_L07_t cpu = NULL;
 634   xbt_assert(!surf_workstation_resource_by_name(name),
 635               "Host '%s' declared several times in the platform file.",
 636               name);
 637
 638   cpu = (cpu_L07_t) surf_resource_new(sizeof(s_cpu_L07_t),
 639           surf_workstation_model, name,cpu_properties);
 640
 641   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 642   cpu->id = ptask_host_count++;
 643
 644   cpu->power_scale = power_scale;
 645   xbt_assert(cpu->power_scale > 0, "Power has to be >0");
 646
 647   cpu->power_current = power_initial;
 648   if (power_trace)
 649     cpu->power_event =
 650         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 651
 652   cpu->state_current = state_initial;
 653   if (state_trace)
 654     cpu->state_event =
 655         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 656
 657   cpu->constraint =
 658       lmm_constraint_new(ptask_maxmin_system, cpu,
 659                          cpu->power_current * cpu->power_scale);
 660
 661   xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, cpu);
 662
 663   return cpu;
 664 }
 665
 666 static void ptask_parse_cpu_init(sg_platf_host_cbarg_t host)
 667 {
 668   ptask_cpu_create_resource(
 669                   host->id,
 670                   host->power_peak,
 671                   host->power_scale,
 672                   host->power_trace,
 673                   host->initial_state,
 674                   host->state_trace,
 675                   host->properties);
 676 }
 677
 678 static void* ptask_link_create_resource(const char *name,
 679                                  double bw_initial,
 680                                  tmgr_trace_t bw_trace,
 681                                  double lat_initial,
 682                                  tmgr_trace_t lat_trace,
 683                                  e_surf_resource_state_t
 684                                  state_initial,
 685                                  tmgr_trace_t state_trace,
 686                                  e_surf_link_sharing_policy_t
 687                                  policy, xbt_dict_t properties)
 688 {
 689   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
 690   xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL),
 691               "Link '%s' declared several times in the platform file.",
 692               name);
 693
 694   nw_link->generic_resource.model = surf_workstation_model;
 695   nw_link->generic_resource.properties = properties;
 696   nw_link->generic_resource.name = xbt_strdup(name);
 697   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 698   nw_link->bw_current = bw_initial;
 699   if (bw_trace)
 700     nw_link->bw_event =
 701         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 702   nw_link->state_current = state_initial;
 703   nw_link->lat_current = lat_initial;
 704   if (lat_trace)
 705     nw_link->lat_event =
 706         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 707   if (state_trace)
 708     nw_link->state_event =
 709         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 710
 711   nw_link->constraint =
 712       lmm_constraint_new(ptask_maxmin_system, nw_link,
 713                          nw_link->bw_current);
 714
 715   if (policy == SURF_LINK_FATPIPE)
 716     lmm_constraint_shared(nw_link->constraint);
 717
 718   xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, nw_link);
 719   return nw_link;
 720 }
 721
 722 static void ptask_parse_link_init(sg_platf_link_cbarg_t link)
 723 {
 724   if (link->policy == SURF_LINK_FULLDUPLEX) {
 725     char *link_id;
 726     link_id = bprintf("%s_UP", link->id);
 727     ptask_link_create_resource(link_id,
 728                                link->bandwidth,
 729                                link->bandwidth_trace,
 730                                link->latency,
 731                                link->latency_trace,
 732                                link->state,
 733                                link->state_trace,
 734                                link->policy,
 735                                link->properties);
 736     xbt_free(link_id);
 737     link_id = bprintf("%s_DOWN", link->id);
 738     ptask_link_create_resource(link_id,
 739                                link->bandwidth,
 740                                link->bandwidth_trace,
 741                                link->latency,
 742                                link->latency_trace,
 743                                link->state,
 744                                link->state_trace,
 745                                link->policy,
 746                                NULL); /* FIXME: We need to deep copy the
 747                                        * properties or we won't be able to free
 748                                        * it */
 749     xbt_free(link_id);
 750   } else {
 751     ptask_link_create_resource(link->id,
 752                                link->bandwidth,
 753                                link->bandwidth_trace,
 754                                link->latency,
 755                                link->latency_trace,
 756                                link->state,
 757                                link->state_trace,
 758                                link->policy,
 759                                link->properties);
 760   }
 761
 762   current_property_set = NULL;
 763 }
 764
 765 static void ptask_add_traces(void)
 766 {
 767   xbt_dict_cursor_t cursor = NULL;
 768   char *trace_name, *elm;
 769
 770   if (!trace_connect_list_host_avail)
 771     return;
 772
 773   /* Connect traces relative to cpu */
 774   xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 775     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 776     cpu_L07_t host = surf_workstation_resource_by_name(elm);
 777
 778     xbt_assert(host, "Host %s undefined", elm);
 779     xbt_assert(trace, "Trace %s undefined", trace_name);
 780
 781     host->state_event =
 782         tmgr_history_add_trace(history, trace, 0.0, 0, host);
 783   }
 784
 785   xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 786     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 787     cpu_L07_t host = surf_workstation_resource_by_name(elm);
 788
 789     xbt_assert(host, "Host %s undefined", elm);
 790     xbt_assert(trace, "Trace %s undefined", trace_name);
 791
 792     host->power_event =
 793         tmgr_history_add_trace(history, trace, 0.0, 0, host);
 794   }
 795
 796   /* Connect traces relative to network */
 797   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 798     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 799     link_L07_t link =
 800                 xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
 801
 802     xbt_assert(link, "Link %s undefined", elm);
 803     xbt_assert(trace, "Trace %s undefined", trace_name);
 804
 805     link->state_event =
 806         tmgr_history_add_trace(history, trace, 0.0, 0, link);
 807   }
 808
 809   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 810     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 811     link_L07_t link =
 812                 xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
 813
 814     xbt_assert(link, "Link %s undefined", elm);
 815     xbt_assert(trace, "Trace %s undefined", trace_name);
 816
 817     link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 818   }
 819
 820   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 821     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 822     link_L07_t link =
 823                 xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
 824
 825     xbt_assert(link, "Link %s undefined", elm);
 826     xbt_assert(trace, "Trace %s undefined", trace_name);
 827
 828     link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 829   }
 830 }
 831
 832 static void ptask_define_callbacks()
 833 {
 834   sg_platf_host_add_cb(ptask_parse_cpu_init);
 835   sg_platf_link_add_cb(ptask_parse_link_init);
 836   sg_platf_postparse_add_cb(ptask_add_traces);
 837 }
 838
 839 /**************************************/
 840 /********* Module  creation ***********/
 841 /**************************************/
 842
 843 static void ptask_model_init_internal(void)
 844 {
 845   surf_workstation_model = surf_model_init();
 846
 847   surf_workstation_model->action_unref = ptask_action_unref;
 848   surf_workstation_model->action_cancel = ptask_action_cancel;
 849   surf_workstation_model->action_state_set = surf_action_state_set;
 850   surf_workstation_model->suspend = ptask_action_suspend;
 851   surf_workstation_model->resume = ptask_action_resume;
 852   surf_workstation_model->is_suspended = ptask_action_is_suspended;
 853   surf_workstation_model->set_max_duration = ptask_action_set_max_duration;
 854   surf_workstation_model->set_priority = ptask_action_set_priority;
 855   surf_workstation_model->get_remains = ptask_action_get_remains;
 856   surf_workstation_model->name = "Workstation ptask_L07";
 857
 858   surf_workstation_model->model_private->resource_used =
 859       ptask_resource_used;
 860   surf_workstation_model->model_private->share_resources =
 861       ptask_share_resources;
 862   surf_workstation_model->model_private->update_actions_state =
 863       ptask_update_actions_state;
 864   surf_workstation_model->model_private->update_resource_state =
 865       ptask_update_resource_state;
 866   surf_workstation_model->model_private->finalize = ptask_finalize;
 867
 868
 869   surf_workstation_model->extension.workstation.execute = ptask_execute;
 870   surf_workstation_model->extension.workstation.sleep = ptask_action_sleep;
 871   surf_workstation_model->extension.workstation.get_state =
 872       ptask_resource_get_state;
 873   surf_workstation_model->extension.workstation.get_speed =
 874       ptask_get_speed;
 875   surf_workstation_model->extension.workstation.get_available_speed =
 876       ptask_get_available_speed;
 877   surf_workstation_model->extension.workstation.communicate =
 878       ptask_communicate;
 879   surf_workstation_model->extension.workstation.get_route =
 880       ptask_get_route;
 881   surf_workstation_model->extension.workstation.execute_parallel_task =
 882       ptask_execute_parallel_task;
 883   surf_workstation_model->extension.workstation.get_link_bandwidth =
 884       ptask_get_link_bandwidth;
 885   surf_workstation_model->extension.workstation.get_link_latency =
 886       ptask_get_link_latency;
 887   surf_workstation_model->extension.workstation.link_shared =
 888       ptask_link_shared;
 889   surf_workstation_model->extension.workstation.get_properties =
 890       surf_resource_properties;
 891   surf_workstation_model->extension.workstation.link_create_resource =
 892       ptask_link_create_resource;
 893   surf_workstation_model->extension.workstation.cpu_create_resource =
 894       ptask_cpu_create_resource;
 895   surf_workstation_model->extension.workstation.add_traces =
 896       ptask_add_traces;
 897
 898   if (!ptask_maxmin_system)
 899     ptask_maxmin_system = lmm_system_new(1);
 900
 901   routing_model_create(sizeof(link_L07_t),
 902                        ptask_link_create_resource("__loopback__",
 903                                                   498000000, NULL,
 904                                                   0.000015, NULL,
 905                                                   SURF_RESOURCE_ON, NULL,
 906                                                   SURF_LINK_FATPIPE, NULL));
 907
 908   surf_network_model = surf_model_init();
 909
 910   surf_network_model->extension.network.communicate = die_impossible_communicate;
 911   surf_network_model->extension.network.get_route = die_impossible_get_route;
 912   surf_network_model->extension.network.get_link_bandwidth = ptask_get_link_bandwidth;
 913   surf_network_model->extension.network.get_link_latency = ptask_get_link_latency;
 914   surf_network_model->extension.network.link_shared = ptask_link_shared;
 915   surf_network_model->extension.network.add_traces = NULL;
 916   surf_network_model->extension.network.create_resource = NULL;
 917 }
 918
 919 /**************************************/
 920 /*************** Generic **************/
 921 /**************************************/
 922 void surf_workstation_model_init_ptask_L07(void)
 923 {
 924   XBT_INFO("surf_workstation_model_init_ptask_L07");
 925   xbt_assert(!surf_cpu_model, "CPU model type already defined");
 926   xbt_assert(!surf_network_model, "network model type already defined");
 927   ptask_define_callbacks();
 928   ptask_model_init_internal();
 929   xbt_dynar_push(model_list, &surf_workstation_model);
 930 }