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