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   sg_routing_edge_t info;
  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 (sg_routing_edge_t src,
  73                                                  sg_routing_edge_t dst,
  74                                                  double size, double rate)
  75 {
  76   DIE_IMPOSSIBLE;
  77   return NULL;
  78 }
  79
  80 static xbt_dynar_t die_impossible_get_route(void *src, void *dst)
  81 {
  82   DIE_IMPOSSIBLE;
  83   return NULL;
  84 }
  85
  86 static void ptask_update_action_bound(surf_action_workstation_L07_t action)
  87 {
  88   int workstation_nb = action->workstation_nb;
  89   double lat_current = 0.0;
  90   double lat_bound = -1.0;
  91   int i, j;
  92
  93   for (i = 0; i < workstation_nb; i++) {
  94     for (j = 0; j < workstation_nb; j++) {
  95       xbt_dynar_t route=NULL;
  96
  97       if (action->communication_amount[i * workstation_nb + j] > 0) {
  98         double lat = 0.0;
  99         routing_get_route_and_latency(action->workstation_list[i]->info,
 100             action->workstation_list[j]->info,
 101             &route, &lat);
 102         lat_current =
 103             MAX(lat_current,
 104                 lat * action->communication_amount[i * workstation_nb + j]);
 105       }
 106     }
 107   }
 108   lat_bound = sg_tcp_gamma / (2.0 * lat_current);
 109   XBT_DEBUG("action (%p) : lat_bound = %g", action, lat_bound);
 110   if ((action->latency == 0.0) && (action->suspended == 0)) {
 111     if (action->rate < 0)
 112       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 113                                 lat_bound);
 114     else
 115       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 116                                 min(action->rate, lat_bound));
 117   }
 118 }
 119
 120 /**************************************/
 121 /******* Resource Public     **********/
 122 /**************************************/
 123
 124 static int ptask_action_unref(surf_action_t action)
 125 {
 126   action->refcount--;
 127
 128   if (!action->refcount) {
 129     xbt_swag_remove(action, action->state_set);
 130     if (((surf_action_workstation_L07_t) action)->variable)
 131       lmm_variable_free(ptask_maxmin_system,
 132                         ((surf_action_workstation_L07_t)
 133                          action)->variable);
 134     free(((surf_action_workstation_L07_t) action)->workstation_list);
 135     free(((surf_action_workstation_L07_t) action)->communication_amount);
 136     free(((surf_action_workstation_L07_t) action)->computation_amount);
 137     surf_action_free(&action);
 138     return 1;
 139   }
 140   return 0;
 141 }
 142
 143 static void ptask_action_cancel(surf_action_t action)
 144 {
 145   surf_action_state_set(action, SURF_ACTION_FAILED);
 146   return;
 147 }
 148
 149 /* action_change_state is inherited from the surf module */
 150 /* action_set_data is inherited from the surf module */
 151
 152 static void ptask_action_suspend(surf_action_t action)
 153 {
 154   XBT_IN("(%p))", action);
 155   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 156     ((surf_action_workstation_L07_t) action)->suspended = 1;
 157     lmm_update_variable_weight(ptask_maxmin_system,
 158                                ((surf_action_workstation_L07_t)
 159                                 action)->variable, 0.0);
 160   }
 161   XBT_OUT();
 162 }
 163
 164 static void ptask_action_resume(surf_action_t action)
 165 {
 166   surf_action_workstation_L07_t act =
 167       (surf_action_workstation_L07_t) action;
 168
 169   XBT_IN("(%p)", act);
 170   if (act->suspended != 2) {
 171     lmm_update_variable_weight(ptask_maxmin_system, act->variable, 1.0);
 172     act->suspended = 0;
 173   }
 174   XBT_OUT();
 175 }
 176
 177 static int ptask_action_is_suspended(surf_action_t action)
 178 {
 179   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 180 }
 181
 182 static void ptask_action_set_max_duration(surf_action_t action,
 183                                           double duration)
 184 {                               /* FIXME: should inherit */
 185   XBT_IN("(%p,%g)", action, duration);
 186   action->max_duration = duration;
 187   XBT_OUT();
 188 }
 189
 190
 191 static void ptask_action_set_priority(surf_action_t action,
 192                                       double priority)
 193 {                               /* FIXME: should inherit */
 194   XBT_IN("(%p,%g)", action, priority);
 195   action->priority = priority;
 196   XBT_OUT();
 197 }
 198
 199 static double ptask_action_get_remains(surf_action_t action)
 200 {
 201   XBT_IN("(%p)", action);
 202   XBT_OUT();
 203   return action->remains;
 204 }
 205
 206 /**************************************/
 207 /******* Resource Private    **********/
 208 /**************************************/
 209
 210 static int ptask_resource_used(void *resource_id)
 211 {
 212   /* We can freely cast as a link_L07_t because it has
 213      the same prefix as cpu_L07_t */
 214   return lmm_constraint_used(ptask_maxmin_system,
 215                              ((link_L07_t) resource_id)->constraint);
 216
 217 }
 218
 219 static double ptask_share_resources(double now)
 220 {
 221   s_surf_action_workstation_L07_t s_action;
 222   surf_action_workstation_L07_t action = NULL;
 223
 224   xbt_swag_t running_actions =
 225       surf_workstation_model->states.running_action_set;
 226   double min = generic_maxmin_share_resources(running_actions,
 227                                               xbt_swag_offset(s_action,
 228                                                               variable),
 229                                               ptask_maxmin_system,
 230                                               bottleneck_solve);
 231
 232   xbt_swag_foreach(action, running_actions) {
 233     if (action->latency > 0) {
 234       if (min < 0) {
 235         min = action->latency;
 236         XBT_DEBUG("Updating min (value) with %p (start %f): %f", action,
 237                action->generic_action.start, min);
 238       } else if (action->latency < min) {
 239         min = action->latency;
 240         XBT_DEBUG("Updating min (latency) with %p (start %f): %f", action,
 241                action->generic_action.start, min);
 242       }
 243     }
 244   }
 245
 246   XBT_DEBUG("min value : %f", min);
 247
 248   return min;
 249 }
 250
 251 static void ptask_update_actions_state(double now, double delta)
 252 {
 253   double deltap = 0.0;
 254   surf_action_workstation_L07_t action = NULL;
 255   surf_action_workstation_L07_t next_action = NULL;
 256   xbt_swag_t running_actions =
 257       surf_workstation_model->states.running_action_set;
 258
 259   xbt_swag_foreach_safe(action, next_action, running_actions) {
 260     deltap = delta;
 261     if (action->latency > 0) {
 262       if (action->latency > deltap) {
 263         double_update(&(action->latency), deltap);
 264         deltap = 0.0;
 265       } else {
 266         double_update(&(deltap), action->latency);
 267         action->latency = 0.0;
 268       }
 269       if ((action->latency == 0.0) && (action->suspended == 0)) {
 270         ptask_update_action_bound(action);
 271         lmm_update_variable_weight(ptask_maxmin_system, action->variable,
 272                                    1.0);
 273       }
 274     }
 275     XBT_DEBUG("Action (%p) : remains (%g) updated by %g.",
 276            action, action->generic_action.remains,
 277            lmm_variable_getvalue(action->variable) * delta);
 278     double_update(&(action->generic_action.remains),
 279                   lmm_variable_getvalue(action->variable) * delta);
 280
 281     if (action->generic_action.max_duration != NO_MAX_DURATION)
 282       double_update(&(action->generic_action.max_duration), delta);
 283
 284     XBT_DEBUG("Action (%p) : remains (%g).",
 285            action, action->generic_action.remains);
 286     if ((action->generic_action.remains <= 0) &&
 287         (lmm_get_variable_weight(action->variable) > 0)) {
 288       action->generic_action.finish = surf_get_clock();
 289       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 290     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 291                (action->generic_action.max_duration <= 0)) {
 292       action->generic_action.finish = surf_get_clock();
 293       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 294     } else {
 295       /* Need to check that none of the model has failed */
 296       lmm_constraint_t cnst = NULL;
 297       int i = 0;
 298       void *constraint_id = NULL;
 299
 300       while ((cnst =
 301               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 302                                     i++))) {
 303         constraint_id = lmm_constraint_id(cnst);
 304
 305 /*   if(((link_L07_t)constraint_id)->type== */
 306 /*      SURF_WORKSTATION_RESOURCE_LINK) { */
 307 /*     XBT_DEBUG("Checking for link %s (%p)", */
 308 /*      ((link_L07_t)constraint_id)->name, */
 309 /*      ((link_L07_t)constraint_id)); */
 310 /*   } */
 311 /*   if(((cpu_L07_t)constraint_id)->type== */
 312 /*      SURF_WORKSTATION_RESOURCE_CPU) { */
 313 /*     XBT_DEBUG("Checking for cpu %s (%p) : %s", */
 314 /*      ((cpu_L07_t)constraint_id)->name, */
 315 /*      ((cpu_L07_t)constraint_id), */
 316 /*      ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 317 /*   } */
 318
 319         if (((((link_L07_t) constraint_id)->type ==
 320               SURF_WORKSTATION_RESOURCE_LINK) &&
 321              (((link_L07_t) constraint_id)->state_current ==
 322               SURF_RESOURCE_OFF)) ||
 323             ((((cpu_L07_t) constraint_id)->type ==
 324               SURF_WORKSTATION_RESOURCE_CPU) &&
 325              (((cpu_L07_t) constraint_id)->state_current ==
 326               SURF_RESOURCE_OFF))) {
 327           XBT_DEBUG("Action (%p) Failed!!", action);
 328           action->generic_action.finish = surf_get_clock();
 329           surf_action_state_set((surf_action_t) action,
 330                                 SURF_ACTION_FAILED);
 331           break;
 332         }
 333       }
 334     }
 335   }
 336   return;
 337 }
 338
 339 static void ptask_update_resource_state(void *id,
 340                                         tmgr_trace_event_t event_type,
 341                                         double value, double date)
 342 {
 343   cpu_L07_t cpu = id;
 344   link_L07_t nw_link = id;
 345
 346   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 347     XBT_DEBUG("Updating link %s (%p)", surf_resource_name(nw_link), nw_link);
 348     if (event_type == nw_link->bw_event) {
 349       nw_link->bw_current = value;
 350       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 351                                   nw_link->bw_current);
 352       if (tmgr_trace_event_free(event_type))
 353         nw_link->bw_event = NULL;
 354     } else if (event_type == nw_link->lat_event) {
 355       lmm_variable_t var = NULL;
 356       surf_action_workstation_L07_t action = NULL;
 357       lmm_element_t elem = NULL;
 358
 359       nw_link->lat_current = value;
 360       while ((var = lmm_get_var_from_cnst
 361               (ptask_maxmin_system, nw_link->constraint, &elem))) {
 362
 363
 364         action = lmm_variable_id(var);
 365         ptask_update_action_bound(action);
 366       }
 367       if (tmgr_trace_event_free(event_type))
 368         nw_link->lat_event = NULL;
 369
 370     } else if (event_type == nw_link->state_event) {
 371       if (value > 0)
 372         nw_link->state_current = SURF_RESOURCE_ON;
 373       else
 374         nw_link->state_current = SURF_RESOURCE_OFF;
 375       if (tmgr_trace_event_free(event_type))
 376         nw_link->state_event = NULL;
 377     } else {
 378       XBT_CRITICAL("Unknown event ! \n");
 379       xbt_abort();
 380     }
 381     return;
 382   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 383     XBT_DEBUG("Updating cpu %s (%p) with value %g", surf_resource_name(cpu),
 384            cpu, value);
 385     if (event_type == cpu->power_event) {
 386       cpu->power_current = value;
 387       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 388                                   cpu->power_current * cpu->power_scale);
 389       if (tmgr_trace_event_free(event_type))
 390         cpu->power_event = NULL;
 391     } else if (event_type == cpu->state_event) {
 392       if (value > 0)
 393         cpu->state_current = SURF_RESOURCE_ON;
 394       else
 395         cpu->state_current = SURF_RESOURCE_OFF;
 396       if (tmgr_trace_event_free(event_type))
 397         cpu->state_event = NULL;
 398     } else {
 399       XBT_CRITICAL("Unknown event ! \n");
 400       xbt_abort();
 401     }
 402     return;
 403   } else {
 404     DIE_IMPOSSIBLE;
 405   }
 406   return;
 407 }
 408
 409 static void ptask_finalize(void)
 410 {
 411   xbt_dict_free(&ptask_parallel_task_link_set);
 412
 413   surf_model_exit(surf_workstation_model);
 414   surf_workstation_model = NULL;
 415   surf_model_exit(surf_network_model);
 416   surf_network_model = NULL;
 417
 418   ptask_host_count = 0;
 419
 420   if (ptask_maxmin_system) {
 421     lmm_system_free(ptask_maxmin_system);
 422     ptask_maxmin_system = NULL;
 423   }
 424 }
 425
 426 /**************************************/
 427 /******* Resource Private    **********/
 428 /**************************************/
 429
 430 static e_surf_resource_state_t ptask_resource_get_state(void *cpu)
 431 {
 432   return ((cpu_L07_t) cpu)->state_current;
 433 }
 434
 435 static double ptask_get_speed(void *cpu, double load)
 436 {
 437   return load * (((cpu_L07_t) cpu)->power_scale);
 438 }
 439
 440 static double ptask_get_available_speed(void *cpu)
 441 {
 442   return ((cpu_L07_t) cpu)->power_current;
 443 }
 444
 445 static surf_action_t ptask_execute_parallel_task(int workstation_nb,
 446                                                  void **workstation_list,
 447                                                  double
 448                                                  *computation_amount, double
 449                                                  *communication_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             ((cpu_L07_t)workstation_list[i])->info,
 476             ((cpu_L07_t)workstation_list[j])->info,
 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), 1,
 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           ((cpu_L07_t)workstation_list[i])->info,
 530           ((cpu_L07_t)workstation_list[j])->info,
 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);
 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, 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       ((cpu_L07_t)src)->info, ((cpu_L07_t)dst)->info,
 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->info = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
 643   if(!(cpu->info)) xbt_die("Don't find ROUTING_HOST_LEVEL for '%s'",name);
 644
 645   cpu->power_scale = power_scale;
 646   xbt_assert(cpu->power_scale > 0, "Power has to be >0");
 647
 648   cpu->power_current = power_initial;
 649   if (power_trace)
 650     cpu->power_event =
 651         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 652
 653   cpu->state_current = state_initial;
 654   if (state_trace)
 655     cpu->state_event =
 656         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 657
 658   cpu->constraint =
 659       lmm_constraint_new(ptask_maxmin_system, cpu,
 660                          cpu->power_current * cpu->power_scale);
 661
 662   xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, cpu);
 663
 664   return cpu;
 665 }
 666
 667 static void ptask_parse_cpu_init(sg_platf_host_cbarg_t host)
 668 {
 669   ptask_cpu_create_resource(
 670       host->id,
 671       host->power_peak,
 672       host->power_scale,
 673       host->power_trace,
 674       host->initial_state,
 675       host->state_trace,
 676       host->properties);
 677 }
 678
 679 static void* ptask_link_create_resource(const char *name,
 680                                  double bw_initial,
 681                                  tmgr_trace_t bw_trace,
 682                                  double lat_initial,
 683                                  tmgr_trace_t lat_trace,
 684                                  e_surf_resource_state_t
 685                                  state_initial,
 686                                  tmgr_trace_t state_trace,
 687                                  e_surf_link_sharing_policy_t
 688                                  policy, xbt_dict_t properties)
 689 {
 690   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
 691   xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL),
 692               "Link '%s' declared several times in the platform file.",
 693               name);
 694
 695   nw_link->generic_resource.model = surf_workstation_model;
 696   nw_link->generic_resource.properties = properties;
 697   nw_link->generic_resource.name = xbt_strdup(name);
 698   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 699   nw_link->bw_current = bw_initial;
 700   if (bw_trace)
 701     nw_link->bw_event =
 702         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 703   nw_link->state_current = state_initial;
 704   nw_link->lat_current = lat_initial;
 705   if (lat_trace)
 706     nw_link->lat_event =
 707         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 708   if (state_trace)
 709     nw_link->state_event =
 710         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 711
 712   nw_link->constraint =
 713       lmm_constraint_new(ptask_maxmin_system, nw_link,
 714                          nw_link->bw_current);
 715
 716   if (policy == SURF_LINK_FATPIPE)
 717     lmm_constraint_shared(nw_link->constraint);
 718
 719   xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, nw_link);
 720   return nw_link;
 721 }
 722
 723 static void ptask_parse_link_init(sg_platf_link_cbarg_t link)
 724 {
 725   if (link->policy == SURF_LINK_FULLDUPLEX) {
 726     char *link_id;
 727     link_id = bprintf("%s_UP", link->id);
 728     ptask_link_create_resource(link_id,
 729                                link->bandwidth,
 730                                link->bandwidth_trace,
 731                                link->latency,
 732                                link->latency_trace,
 733                                link->state,
 734                                link->state_trace,
 735                                link->policy,
 736                                link->properties);
 737     xbt_free(link_id);
 738     link_id = bprintf("%s_DOWN", link->id);
 739     ptask_link_create_resource(link_id,
 740                                link->bandwidth,
 741                                link->bandwidth_trace,
 742                                link->latency,
 743                                link->latency_trace,
 744                                link->state,
 745                                link->state_trace,
 746                                link->policy,
 747                                NULL); /* FIXME: We need to deep copy the
 748                                        * properties or we won't be able to free
 749                                        * it */
 750     xbt_free(link_id);
 751   } else {
 752     ptask_link_create_resource(link->id,
 753                                link->bandwidth,
 754                                link->bandwidth_trace,
 755                                link->latency,
 756                                link->latency_trace,
 757                                link->state,
 758                                link->state_trace,
 759                                link->policy,
 760                                link->properties);
 761   }
 762
 763   current_property_set = NULL;
 764 }
 765
 766 static void ptask_add_traces(void)
 767 {
 768   xbt_dict_cursor_t cursor = NULL;
 769   char *trace_name, *elm;
 770
 771   if (!trace_connect_list_host_avail)
 772     return;
 773
 774   /* Connect traces relative to cpu */
 775   xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 776     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 777     cpu_L07_t host = surf_workstation_resource_by_name(elm);
 778
 779     xbt_assert(host, "Host %s undefined", elm);
 780     xbt_assert(trace, "Trace %s undefined", trace_name);
 781
 782     host->state_event =
 783         tmgr_history_add_trace(history, trace, 0.0, 0, host);
 784   }
 785
 786   xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 787     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 788     cpu_L07_t host = surf_workstation_resource_by_name(elm);
 789
 790     xbt_assert(host, "Host %s undefined", elm);
 791     xbt_assert(trace, "Trace %s undefined", trace_name);
 792
 793     host->power_event =
 794         tmgr_history_add_trace(history, trace, 0.0, 0, host);
 795   }
 796
 797   /* Connect traces relative to network */
 798   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 799     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 800     link_L07_t link =
 801         xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
 802
 803     xbt_assert(link, "Link %s undefined", elm);
 804     xbt_assert(trace, "Trace %s undefined", trace_name);
 805
 806     link->state_event =
 807         tmgr_history_add_trace(history, trace, 0.0, 0, link);
 808   }
 809
 810   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 811     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 812     link_L07_t link =
 813         xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
 814
 815     xbt_assert(link, "Link %s undefined", elm);
 816     xbt_assert(trace, "Trace %s undefined", trace_name);
 817
 818     link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 819   }
 820
 821   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 822     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 823     link_L07_t link =
 824         xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
 825
 826     xbt_assert(link, "Link %s undefined", elm);
 827     xbt_assert(trace, "Trace %s undefined", trace_name);
 828
 829     link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 830   }
 831 }
 832
 833 static void ptask_define_callbacks()
 834 {
 835   sg_platf_host_add_cb(ptask_parse_cpu_init);
 836   sg_platf_link_add_cb(ptask_parse_link_init);
 837   sg_platf_postparse_add_cb(ptask_add_traces);
 838 }
 839
 840 /**************************************/
 841 /********* Module  creation ***********/
 842 /**************************************/
 843
 844 static void ptask_model_init_internal(void)
 845 {
 846   surf_workstation_model = surf_model_init();
 847
 848   surf_workstation_model->action_unref = ptask_action_unref;
 849   surf_workstation_model->action_cancel = ptask_action_cancel;
 850   surf_workstation_model->action_state_set = surf_action_state_set;
 851   surf_workstation_model->suspend = ptask_action_suspend;
 852   surf_workstation_model->resume = ptask_action_resume;
 853   surf_workstation_model->is_suspended = ptask_action_is_suspended;
 854   surf_workstation_model->set_max_duration = ptask_action_set_max_duration;
 855   surf_workstation_model->set_priority = ptask_action_set_priority;
 856   surf_workstation_model->get_remains = ptask_action_get_remains;
 857   surf_workstation_model->name = "Workstation ptask_L07";
 858
 859   surf_workstation_model->model_private->resource_used =
 860       ptask_resource_used;
 861   surf_workstation_model->model_private->share_resources =
 862       ptask_share_resources;
 863   surf_workstation_model->model_private->update_actions_state =
 864       ptask_update_actions_state;
 865   surf_workstation_model->model_private->update_resource_state =
 866       ptask_update_resource_state;
 867   surf_workstation_model->model_private->finalize = ptask_finalize;
 868
 869
 870   surf_workstation_model->extension.workstation.execute = ptask_execute;
 871   surf_workstation_model->extension.workstation.sleep = ptask_action_sleep;
 872   surf_workstation_model->extension.workstation.get_state =
 873       ptask_resource_get_state;
 874   surf_workstation_model->extension.workstation.get_speed =
 875       ptask_get_speed;
 876   surf_workstation_model->extension.workstation.get_available_speed =
 877       ptask_get_available_speed;
 878   surf_workstation_model->extension.workstation.communicate =
 879       ptask_communicate;
 880   surf_workstation_model->extension.workstation.get_route =
 881       ptask_get_route;
 882   surf_workstation_model->extension.workstation.execute_parallel_task =
 883       ptask_execute_parallel_task;
 884   surf_workstation_model->extension.workstation.get_link_bandwidth =
 885       ptask_get_link_bandwidth;
 886   surf_workstation_model->extension.workstation.get_link_latency =
 887       ptask_get_link_latency;
 888   surf_workstation_model->extension.workstation.link_shared =
 889       ptask_link_shared;
 890   surf_workstation_model->extension.workstation.get_properties =
 891       surf_resource_properties;
 892   surf_workstation_model->extension.workstation.link_create_resource =
 893       ptask_link_create_resource;
 894   surf_workstation_model->extension.workstation.cpu_create_resource =
 895       ptask_cpu_create_resource;
 896   surf_workstation_model->extension.workstation.add_traces =
 897       ptask_add_traces;
 898
 899   if (!ptask_maxmin_system)
 900     ptask_maxmin_system = lmm_system_new(1);
 901
 902   routing_model_create(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 }