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
  12 typedef enum {
  13   SURF_WORKSTATION_RESOURCE_CPU,
  14   SURF_WORKSTATION_RESOURCE_LINK,
  15 } e_surf_workstation_model_type_t;
  16
  17 /**************************************/
  18 /********* cpu object *****************/
  19 /**************************************/
  20 typedef struct cpu_L07 {
  21   s_surf_resource_t generic_resource;   /* Do not move this field: must match surf_resource_t */
  22   e_surf_workstation_model_type_t type; /* Do not move this field: must match link_L07_t */
  23   lmm_constraint_t constraint;  /* Do not move this field: must match link_L07_t */
  24   double power_scale;
  25   double power_current;
  26   tmgr_trace_event_t power_event;
  27   e_surf_resource_state_t state_current;
  28   tmgr_trace_event_t state_event;
  29   int id;                       /* cpu and network card are a single object... */
  30 } s_cpu_L07_t, *cpu_L07_t;
  31
  32 /**************************************/
  33 /*********** network object ***********/
  34 /**************************************/
  35
  36 typedef struct link_L07 {
  37   s_surf_resource_t generic_resource;   /* Do not move this field: must match surf_resource_t */
  38   e_surf_workstation_model_type_t type; /* Do not move this field: must match cpu_L07_t */
  39   lmm_constraint_t constraint;  /* Do not move this field: must match cpu_L07_t */
  40   double lat_current;
  41   tmgr_trace_event_t lat_event;
  42   double bw_current;
  43   tmgr_trace_event_t bw_event;
  44   e_surf_resource_state_t state_current;
  45   tmgr_trace_event_t state_event;
  46 } s_link_L07_t, *link_L07_t;
  47
  48 /**************************************/
  49 /*************** actions **************/
  50 /**************************************/
  51 typedef struct surf_action_workstation_L07 {
  52   s_surf_action_t generic_action;
  53   lmm_variable_t variable;
  54   int workstation_nb;
  55   cpu_L07_t *workstation_list;
  56   double *computation_amount;
  57   double *communication_amount;
  58   double latency;
  59   double rate;
  60   int suspended;
  61 } s_surf_action_workstation_L07_t, *surf_action_workstation_L07_t;
  62
  63
  64 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
  65
  66 static int ptask_host_count = 0;
  67 static xbt_dict_t ptask_parallel_task_link_set = NULL;
  68 lmm_system_t ptask_maxmin_system = NULL;
  69
  70
  71 static void ptask_update_action_bound(surf_action_workstation_L07_t action)
  72 {
  73   int workstation_nb = action->workstation_nb;
  74   double lat_current = 0.0;
  75   double lat_bound = -1.0;
  76   int i, j;
  77   unsigned int cpt;
  78   link_L07_t link;
  79
  80   for (i = 0; i < workstation_nb; i++) {
  81     for (j = 0; j < workstation_nb; j++) {
  82       xbt_dynar_t route =
  83           global_routing->get_route(surf_resource_name
  84                                     (action->workstation_list[i]),
  85                                     surf_resource_name(action->
  86                                                        workstation_list
  87                                                        [j]));
  88
  89       double lat = 0.0;
  90
  91       if (action->communication_amount[i * workstation_nb + j] > 0) {
  92         xbt_dynar_foreach(route, cpt, link) {
  93           lat += link->lat_current;
  94         }
  95         lat_current =
  96             MAX(lat_current,
  97                 lat * action->communication_amount[i * workstation_nb +
  98                                                    j]);
  99       }
 100     }
 101   }
 102   lat_bound = sg_tcp_gamma / (2.0 * lat_current);
 103   DEBUG2("action (%p) : lat_bound = %g", action, lat_bound);
 104   if ((action->latency == 0.0) && (action->suspended == 0)) {
 105     if (action->rate < 0)
 106       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 107                                 lat_bound);
 108     else
 109       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 110                                 min(action->rate, lat_bound));
 111   }
 112 }
 113
 114 /**************************************/
 115 /******* Resource Public     **********/
 116 /**************************************/
 117
 118 static int ptask_action_unref(surf_action_t action)
 119 {
 120   action->refcount--;
 121
 122   if (!action->refcount) {
 123     xbt_swag_remove(action, action->state_set);
 124     if (((surf_action_workstation_L07_t) action)->variable)
 125       lmm_variable_free(ptask_maxmin_system,
 126                         ((surf_action_workstation_L07_t)
 127                          action)->variable);
 128     free(((surf_action_workstation_L07_t) action)->workstation_list);
 129     free(((surf_action_workstation_L07_t) action)->communication_amount);
 130     free(((surf_action_workstation_L07_t) action)->computation_amount);
 131     free(action);
 132     return 1;
 133   }
 134   return 0;
 135 }
 136
 137 static void ptask_action_cancel(surf_action_t action)
 138 {
 139   surf_action_state_set(action, SURF_ACTION_FAILED);
 140   return;
 141 }
 142
 143 /* action_change_state is inherited from the surf module */
 144 /* action_set_data is inherited from the surf module */
 145
 146 static void ptask_action_suspend(surf_action_t action)
 147 {
 148   XBT_IN1("(%p))", action);
 149   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 150     ((surf_action_workstation_L07_t) action)->suspended = 1;
 151     lmm_update_variable_weight(ptask_maxmin_system,
 152                                ((surf_action_workstation_L07_t)
 153                                 action)->variable, 0.0);
 154   }
 155   XBT_OUT;
 156 }
 157
 158 static void ptask_action_resume(surf_action_t action)
 159 {
 160   surf_action_workstation_L07_t act =
 161       (surf_action_workstation_L07_t) action;
 162
 163   XBT_IN1("(%p)", act);
 164   if (act->suspended != 2) {
 165     lmm_update_variable_weight(ptask_maxmin_system, act->variable, 1.0);
 166     act->suspended = 0;
 167   }
 168   XBT_OUT;
 169 }
 170
 171 static int ptask_action_is_suspended(surf_action_t action)
 172 {
 173   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 174 }
 175
 176 static void ptask_action_set_max_duration(surf_action_t action,
 177                                           double duration)
 178 {                               /* FIXME: should inherit */
 179   XBT_IN2("(%p,%g)", action, duration);
 180   action->max_duration = duration;
 181   XBT_OUT;
 182 }
 183
 184
 185 static void ptask_action_set_priority(surf_action_t action,
 186                                       double priority)
 187 {                               /* FIXME: should inherit */
 188   XBT_IN2("(%p,%g)", action, priority);
 189   action->priority = priority;
 190   XBT_OUT;
 191 }
 192
 193 static double ptask_action_get_remains(surf_action_t action)
 194 {
 195   XBT_IN1("(%p)", action);
 196   return action->remains;
 197   XBT_OUT;
 198 }
 199
 200 /**************************************/
 201 /******* Resource Private    **********/
 202 /**************************************/
 203
 204 static int ptask_resource_used(void *resource_id)
 205 {
 206   /* We can freely cast as a link_L07_t because it has
 207      the same prefix as cpu_L07_t */
 208   return lmm_constraint_used(ptask_maxmin_system,
 209                              ((link_L07_t) resource_id)->constraint);
 210
 211 }
 212
 213 static double ptask_share_resources(double now)
 214 {
 215   s_surf_action_workstation_L07_t s_action;
 216   surf_action_workstation_L07_t action = NULL;
 217
 218   xbt_swag_t running_actions =
 219       surf_workstation_model->states.running_action_set;
 220   double min = generic_maxmin_share_resources(running_actions,
 221                                               xbt_swag_offset(s_action,
 222                                                               variable),
 223                                               ptask_maxmin_system,
 224                                               bottleneck_solve);
 225
 226   xbt_swag_foreach(action, running_actions) {
 227     if (action->latency > 0) {
 228       if (min < 0) {
 229         min = action->latency;
 230         DEBUG3("Updating min (value) with %p (start %f): %f", action,
 231                action->generic_action.start, min);
 232       } else if (action->latency < min) {
 233         min = action->latency;
 234         DEBUG3("Updating min (latency) with %p (start %f): %f", action,
 235                action->generic_action.start, min);
 236       }
 237     }
 238   }
 239
 240   DEBUG1("min value : %f", min);
 241
 242   return min;
 243 }
 244
 245 static void ptask_update_actions_state(double now, double delta)
 246 {
 247   double deltap = 0.0;
 248   surf_action_workstation_L07_t action = NULL;
 249   surf_action_workstation_L07_t next_action = NULL;
 250   xbt_swag_t running_actions =
 251       surf_workstation_model->states.running_action_set;
 252
 253   xbt_swag_foreach_safe(action, next_action, running_actions) {
 254     deltap = delta;
 255     if (action->latency > 0) {
 256       if (action->latency > deltap) {
 257         double_update(&(action->latency), deltap);
 258         deltap = 0.0;
 259       } else {
 260         double_update(&(deltap), action->latency);
 261         action->latency = 0.0;
 262       }
 263       if ((action->latency == 0.0) && (action->suspended == 0)) {
 264         ptask_update_action_bound(action);
 265         lmm_update_variable_weight(ptask_maxmin_system, action->variable,
 266                                    1.0);
 267       }
 268     }
 269     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 270            action, action->generic_action.remains,
 271            lmm_variable_getvalue(action->variable) * delta);
 272     double_update(&(action->generic_action.remains),
 273                   lmm_variable_getvalue(action->variable) * delta);
 274
 275     if (action->generic_action.max_duration != NO_MAX_DURATION)
 276       double_update(&(action->generic_action.max_duration), delta);
 277
 278     DEBUG2("Action (%p) : remains (%g).",
 279            action, action->generic_action.remains);
 280     if ((action->generic_action.remains <= 0) &&
 281         (lmm_get_variable_weight(action->variable) > 0)) {
 282       action->generic_action.finish = surf_get_clock();
 283       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 284     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 285                (action->generic_action.max_duration <= 0)) {
 286       action->generic_action.finish = surf_get_clock();
 287       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 288     } else {
 289       /* Need to check that none of the model has failed */
 290       lmm_constraint_t cnst = NULL;
 291       int i = 0;
 292       void *constraint_id = NULL;
 293
 294       while ((cnst =
 295               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 296                                     i++))) {
 297         constraint_id = lmm_constraint_id(cnst);
 298
 299 /*      if(((link_L07_t)constraint_id)->type== */
 300 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 301 /*        DEBUG2("Checking for link %s (%p)", */
 302 /*               ((link_L07_t)constraint_id)->name, */
 303 /*               ((link_L07_t)constraint_id)); */
 304 /*      } */
 305 /*      if(((cpu_L07_t)constraint_id)->type== */
 306 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 307 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
 308 /*               ((cpu_L07_t)constraint_id)->name, */
 309 /*               ((cpu_L07_t)constraint_id), */
 310 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 311 /*      } */
 312
 313         if (((((link_L07_t) constraint_id)->type ==
 314               SURF_WORKSTATION_RESOURCE_LINK) &&
 315              (((link_L07_t) constraint_id)->state_current ==
 316               SURF_RESOURCE_OFF)) ||
 317             ((((cpu_L07_t) constraint_id)->type ==
 318               SURF_WORKSTATION_RESOURCE_CPU) &&
 319              (((cpu_L07_t) constraint_id)->state_current ==
 320               SURF_RESOURCE_OFF))) {
 321           DEBUG1("Action (%p) Failed!!", action);
 322           action->generic_action.finish = surf_get_clock();
 323           surf_action_state_set((surf_action_t) action,
 324                                 SURF_ACTION_FAILED);
 325           break;
 326         }
 327       }
 328     }
 329   }
 330   return;
 331 }
 332
 333 static void ptask_update_resource_state(void *id,
 334                                         tmgr_trace_event_t event_type,
 335                                         double value, double date)
 336 {
 337   cpu_L07_t cpu = id;
 338   link_L07_t nw_link = id;
 339
 340   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 341     DEBUG2("Updating link %s (%p)", surf_resource_name(nw_link), nw_link);
 342     if (event_type == nw_link->bw_event) {
 343       nw_link->bw_current = value;
 344       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 345                                   nw_link->bw_current);
 346       if (tmgr_trace_event_free(event_type))
 347         nw_link->bw_event = NULL;
 348     } else if (event_type == nw_link->lat_event) {
 349       lmm_variable_t var = NULL;
 350       surf_action_workstation_L07_t action = NULL;
 351       lmm_element_t elem = NULL;
 352
 353       nw_link->lat_current = value;
 354       while ((var = lmm_get_var_from_cnst
 355               (ptask_maxmin_system, nw_link->constraint, &elem))) {
 356
 357
 358         action = lmm_variable_id(var);
 359         ptask_update_action_bound(action);
 360       }
 361       if (tmgr_trace_event_free(event_type))
 362         nw_link->lat_event = NULL;
 363
 364     } else if (event_type == nw_link->state_event) {
 365       if (value > 0)
 366         nw_link->state_current = SURF_RESOURCE_ON;
 367       else
 368         nw_link->state_current = SURF_RESOURCE_OFF;
 369       if (tmgr_trace_event_free(event_type))
 370         nw_link->state_event = NULL;
 371     } else {
 372       CRITICAL0("Unknown event ! \n");
 373       xbt_abort();
 374     }
 375     return;
 376   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 377     DEBUG3("Updating cpu %s (%p) with value %g", surf_resource_name(cpu),
 378            cpu, value);
 379     if (event_type == cpu->power_event) {
 380       cpu->power_current = value;
 381       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 382                                   cpu->power_current * cpu->power_scale);
 383       if (tmgr_trace_event_free(event_type))
 384         cpu->power_event = NULL;
 385     } else if (event_type == cpu->state_event) {
 386       if (value > 0)
 387         cpu->state_current = SURF_RESOURCE_ON;
 388       else
 389         cpu->state_current = SURF_RESOURCE_OFF;
 390       if (tmgr_trace_event_free(event_type))
 391         cpu->state_event = NULL;
 392     } else {
 393       CRITICAL0("Unknown event ! \n");
 394       xbt_abort();
 395     }
 396     return;
 397   } else {
 398     DIE_IMPOSSIBLE;
 399   }
 400   return;
 401 }
 402
 403 static void ptask_finalize(void)
 404 {
 405   if (ptask_parallel_task_link_set != NULL)
 406     xbt_dict_free(&ptask_parallel_task_link_set);
 407
 408   surf_model_exit(surf_workstation_model);
 409   surf_workstation_model = NULL;
 410   surf_model_exit(surf_network_model);
 411   surf_network_model = NULL;
 412   global_routing->finalize();
 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();
 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 =
 466           global_routing->get_route(surf_resource_name
 467                                     (workstation_list[i]),
 468                                     surf_resource_name(workstation_list
 469                                                        [j]));
 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   DEBUG3("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 =
 520           global_routing->get_route(surf_resource_name
 521                                     (workstation_list[i]),
 522                                     surf_resource_name(workstation_list
 523                                                        [j]));
 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_IN2("(%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)
 593 {
 594   return global_routing->get_route(surf_resource_name(src),
 595                                    surf_resource_name(dst));
 596 }
 597
 598 static double ptask_get_link_bandwidth(const void *link)
 599 {
 600   return ((link_L07_t) link)->bw_current;
 601 }
 602
 603 static double ptask_get_link_latency(const void *link)
 604 {
 605   return ((link_L07_t) link)->lat_current;
 606 }
 607
 608 static int ptask_link_shared(const void *link)
 609 {
 610   return lmm_constraint_is_shared(((link_L07_t) link)->constraint);
 611 }
 612
 613 /**************************************/
 614 /*** Resource Creation & Destruction **/
 615 /**************************************/
 616
 617 static cpu_L07_t ptask_cpu_new(const char *name, double power_scale,
 618                                double power_initial,
 619                                tmgr_trace_t power_trace,
 620                                e_surf_resource_state_t state_initial,
 621                                tmgr_trace_t state_trace,
 622                                xbt_dict_t cpu_properties)
 623 {
 624   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
 625   xbt_assert1(!surf_model_resource_by_name(surf_workstation_model, name),
 626               "Host '%s' declared several times in the platform file.",
 627               name);
 628
 629   cpu->generic_resource.model = surf_workstation_model;
 630   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 631   cpu->generic_resource.name = xbt_strdup(name);
 632   cpu->generic_resource.properties = current_property_set;
 633   cpu->id = ptask_host_count++;
 634
 635   cpu->power_scale = power_scale;
 636   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 637
 638   cpu->power_current = power_initial;
 639   if (power_trace)
 640     cpu->power_event =
 641         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 642
 643   cpu->state_current = state_initial;
 644   if (state_trace)
 645     cpu->state_event =
 646         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 647
 648   cpu->constraint =
 649       lmm_constraint_new(ptask_maxmin_system, cpu,
 650                          cpu->power_current * cpu->power_scale);
 651
 652   xbt_dict_set(surf_model_resource_set(surf_workstation_model), name, cpu,
 653                surf_resource_free);
 654
 655   return cpu;
 656 }
 657
 658 static void ptask_parse_cpu_init(void)
 659 {
 660   double power_scale = 0.0;
 661   double power_initial = 0.0;
 662   tmgr_trace_t power_trace = NULL;
 663   e_surf_resource_state_t state_initial = SURF_RESOURCE_OFF;
 664   tmgr_trace_t state_trace = NULL;
 665
 666   power_scale = get_cpu_power(A_surfxml_host_power);
 667   surf_parse_get_double(&power_initial, A_surfxml_host_availability);
 668   power_trace = tmgr_trace_new(A_surfxml_host_availability_file);
 669
 670   xbt_assert0((A_surfxml_host_state == A_surfxml_host_state_ON) ||
 671               (A_surfxml_host_state == A_surfxml_host_state_OFF),
 672               "Invalid state");
 673   if (A_surfxml_host_state == A_surfxml_host_state_ON)
 674     state_initial = SURF_RESOURCE_ON;
 675   if (A_surfxml_host_state == A_surfxml_host_state_OFF)
 676     state_initial = SURF_RESOURCE_OFF;
 677   state_trace = tmgr_trace_new(A_surfxml_host_state_file);
 678
 679   current_property_set = xbt_dict_new();
 680   ptask_cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
 681                 state_initial, state_trace, current_property_set);
 682 }
 683
 684 static void ptask_cpu_create_resource(char *name, double power_peak,
 685                                       double power_scale,
 686                                       tmgr_trace_t power_trace,
 687                                       e_surf_resource_state_t
 688                                       state_initial,
 689                                       tmgr_trace_t state_trace,
 690                                       xbt_dict_t cpu_properties)
 691 {
 692   ptask_cpu_new(xbt_strdup(name), power_peak, power_scale, power_trace,
 693                 state_initial, state_trace, cpu_properties);
 694 }
 695
 696 static link_L07_t ptask_link_new(char *name,
 697                                  double bw_initial,
 698                                  tmgr_trace_t bw_trace,
 699                                  double lat_initial,
 700                                  tmgr_trace_t lat_trace,
 701                                  e_surf_resource_state_t
 702                                  state_initial,
 703                                  tmgr_trace_t state_trace,
 704                                  e_surf_link_sharing_policy_t
 705                                  policy, xbt_dict_t properties)
 706 {
 707   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
 708   xbt_assert1(!xbt_dict_get_or_null
 709               (surf_network_model->resource_set, name),
 710               "Link '%s' declared several times in the platform file.",
 711               name);
 712
 713   nw_link->generic_resource.model = surf_workstation_model;
 714   nw_link->generic_resource.properties = properties;
 715   nw_link->generic_resource.name = name;
 716   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 717   nw_link->bw_current = bw_initial;
 718   if (bw_trace)
 719     nw_link->bw_event =
 720         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 721   nw_link->state_current = state_initial;
 722   nw_link->lat_current = lat_initial;
 723   if (lat_trace)
 724     nw_link->lat_event =
 725         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 726   if (state_trace)
 727     nw_link->state_event =
 728         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 729
 730   nw_link->constraint =
 731       lmm_constraint_new(ptask_maxmin_system, nw_link,
 732                          nw_link->bw_current);
 733
 734   if (policy == SURF_LINK_FATPIPE)
 735     lmm_constraint_shared(nw_link->constraint);
 736
 737   xbt_dict_set(surf_network_model->resource_set, name, nw_link,
 738                surf_resource_free);
 739
 740
 741   return nw_link;
 742 }
 743
 744 static void ptask_parse_link_init(void)
 745 {
 746   double bw_initial;
 747   tmgr_trace_t bw_trace;
 748   double lat_initial;
 749   tmgr_trace_t lat_trace;
 750   e_surf_resource_state_t state_initial_link = SURF_RESOURCE_ON;
 751   e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
 752   tmgr_trace_t state_trace;
 753   char *name_link_up = NULL;
 754   char *name_link_down = NULL;
 755   char *name_link = NULL;
 756
 757   if(A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FULLDUPLEX)
 758   {
 759   name_link_up = xbt_strdup(bprintf("%s_UP",A_surfxml_link_id));
 760   name_link_down = xbt_strdup(bprintf("%s_DOWN",A_surfxml_link_id));
 761   }
 762   else
 763   {
 764   name_link = xbt_strdup(A_surfxml_link_id);
 765   }
 766   surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
 767   bw_trace = tmgr_trace_new(A_surfxml_link_bandwidth_file);
 768   surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
 769   lat_trace = tmgr_trace_new(A_surfxml_link_latency_file);
 770
 771   xbt_assert0((A_surfxml_link_state == A_surfxml_link_state_ON)
 772               || (A_surfxml_link_state ==
 773                   A_surfxml_link_state_OFF), "Invalid state");
 774   if (A_surfxml_link_state == A_surfxml_link_state_ON)
 775     state_initial_link = SURF_RESOURCE_ON;
 776   else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
 777     state_initial_link = SURF_RESOURCE_OFF;
 778
 779   if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
 780     policy_initial_link = SURF_LINK_SHARED;
 781   if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FATPIPE)
 782         policy_initial_link = SURF_LINK_FATPIPE;
 783   if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_FULLDUPLEX)
 784         policy_initial_link = SURF_LINK_FULLDUPLEX;
 785
 786   state_trace = tmgr_trace_new(A_surfxml_link_state_file);
 787
 788   current_property_set = xbt_dict_new();
 789
 790   if(policy_initial_link == SURF_LINK_FULLDUPLEX)
 791   {
 792           ptask_link_new(name_link_up, bw_initial, bw_trace, lat_initial, lat_trace,
 793                          state_initial_link, state_trace, policy_initial_link,
 794                          current_property_set);
 795           ptask_link_new(name_link_down, bw_initial, bw_trace, lat_initial, lat_trace,
 796                          state_initial_link, state_trace, policy_initial_link,
 797                          xbt_dict_new());
 798   }
 799   else
 800   {
 801           ptask_link_new(name_link, bw_initial, bw_trace, lat_initial, lat_trace,
 802                                          state_initial_link, state_trace, policy_initial_link,
 803                                          current_property_set);
 804   }
 805 }
 806
 807 static void ptask_link_create_resource(char *name,
 808                                        double bw_initial,
 809                                        tmgr_trace_t bw_trace,
 810                                        double lat_initial,
 811                                        tmgr_trace_t lat_trace,
 812                                        e_surf_resource_state_t
 813                                        state_initial,
 814                                        tmgr_trace_t state_trace,
 815                                        e_surf_link_sharing_policy_t
 816                                        policy, xbt_dict_t properties)
 817 {
 818
 819   ptask_link_new(name, bw_initial, bw_trace,
 820                  lat_initial, lat_trace, state_initial, state_trace,
 821                  policy, xbt_dict_new());
 822 }
 823
 824
 825 static void ptask_add_traces(void)
 826 {
 827   xbt_dict_cursor_t cursor = NULL;
 828   char *trace_name, *elm;
 829
 830   if (!trace_connect_list_host_avail)
 831     return;
 832
 833   /* Connect traces relative to cpu */
 834   xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 835     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 836     cpu_L07_t host =
 837         surf_model_resource_by_name(surf_workstation_model, elm);
 838
 839     xbt_assert1(host, "Host %s undefined", elm);
 840     xbt_assert1(trace, "Trace %s undefined", trace_name);
 841
 842     host->state_event =
 843         tmgr_history_add_trace(history, trace, 0.0, 0, host);
 844   }
 845
 846   xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 847     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 848     cpu_L07_t host =
 849         surf_model_resource_by_name(surf_workstation_model, elm);
 850
 851     xbt_assert1(host, "Host %s undefined", elm);
 852     xbt_assert1(trace, "Trace %s undefined", trace_name);
 853
 854     host->power_event =
 855         tmgr_history_add_trace(history, trace, 0.0, 0, host);
 856   }
 857
 858   /* Connect traces relative to network */
 859   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 860     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 861     link_L07_t link =
 862         xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 863
 864     xbt_assert1(link, "Link %s undefined", elm);
 865     xbt_assert1(trace, "Trace %s undefined", trace_name);
 866
 867     link->state_event =
 868         tmgr_history_add_trace(history, trace, 0.0, 0, link);
 869   }
 870
 871   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 872     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 873     link_L07_t link =
 874         xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 875
 876     xbt_assert1(link, "Link %s undefined", elm);
 877     xbt_assert1(trace, "Trace %s undefined", trace_name);
 878
 879     link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 880   }
 881
 882   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 883     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 884     link_L07_t link =
 885         xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 886
 887     xbt_assert1(link, "Link %s undefined", elm);
 888     xbt_assert1(trace, "Trace %s undefined", trace_name);
 889
 890     link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 891   }
 892 }
 893
 894 static void ptask_define_callbacks(const char *file)
 895 {
 896   /* Adding callback functions */
 897   surf_parse_reset_parser();
 898   surfxml_add_callback(STag_surfxml_host_cb_list, &ptask_parse_cpu_init);
 899   surfxml_add_callback(STag_surfxml_link_cb_list, &ptask_parse_link_init);
 900   surfxml_add_callback(ETag_surfxml_platform_cb_list, &ptask_add_traces);
 901 }
 902
 903 /**************************************/
 904 /********* Module  creation ***********/
 905 /**************************************/
 906
 907 static void ptask_model_init_internal(void)
 908 {
 909   surf_workstation_model = surf_model_init();
 910
 911   surf_workstation_model->action_unref = ptask_action_unref;
 912   surf_workstation_model->action_cancel = ptask_action_cancel;
 913   surf_workstation_model->action_state_set = surf_action_state_set;
 914   surf_workstation_model->suspend = ptask_action_suspend;
 915   surf_workstation_model->resume = ptask_action_resume;
 916   surf_workstation_model->is_suspended = ptask_action_is_suspended;
 917   surf_workstation_model->set_max_duration = ptask_action_set_max_duration;
 918   surf_workstation_model->set_priority = ptask_action_set_priority;
 919   surf_workstation_model->get_remains = ptask_action_get_remains;
 920   surf_workstation_model->name = "Workstation ptask_L07";
 921
 922   surf_workstation_model->model_private->resource_used =
 923       ptask_resource_used;
 924   surf_workstation_model->model_private->share_resources =
 925       ptask_share_resources;
 926   surf_workstation_model->model_private->update_actions_state =
 927       ptask_update_actions_state;
 928   surf_workstation_model->model_private->update_resource_state =
 929       ptask_update_resource_state;
 930   surf_workstation_model->model_private->finalize = ptask_finalize;
 931
 932
 933   surf_workstation_model->extension.workstation.execute = ptask_execute;
 934   surf_workstation_model->extension.workstation.sleep = ptask_action_sleep;
 935   surf_workstation_model->extension.workstation.get_state =
 936       ptask_resource_get_state;
 937   surf_workstation_model->extension.workstation.get_speed =
 938       ptask_get_speed;
 939   surf_workstation_model->extension.workstation.get_available_speed =
 940       ptask_get_available_speed;
 941   surf_workstation_model->extension.workstation.communicate =
 942       ptask_communicate;
 943   surf_workstation_model->extension.workstation.get_route =
 944       ptask_get_route;
 945   surf_workstation_model->extension.workstation.execute_parallel_task =
 946       ptask_execute_parallel_task;
 947   surf_workstation_model->extension.workstation.get_link_bandwidth =
 948       ptask_get_link_bandwidth;
 949   surf_workstation_model->extension.workstation.get_link_latency =
 950       ptask_get_link_latency;
 951   surf_workstation_model->extension.workstation.link_shared =
 952       ptask_link_shared;
 953   surf_workstation_model->extension.workstation.get_properties =
 954       surf_resource_properties;
 955   surf_workstation_model->extension.workstation.link_create_resource =
 956       ptask_link_create_resource;
 957   surf_workstation_model->extension.workstation.cpu_create_resource =
 958       ptask_cpu_create_resource;
 959   surf_workstation_model->extension.workstation.add_traces =
 960       ptask_add_traces;
 961
 962   if (!ptask_maxmin_system)
 963     ptask_maxmin_system = lmm_system_new();
 964
 965   routing_model_create(sizeof(link_L07_t),
 966                        ptask_link_new(xbt_strdup("__loopback__"),
 967                                       498000000, NULL, 0.000015, NULL,
 968                                       SURF_RESOURCE_ON, NULL,
 969                                       SURF_LINK_FATPIPE, NULL));
 970
 971 }
 972
 973 /**************************************/
 974 /*************** Generic **************/
 975 /**************************************/
 976 void surf_workstation_model_init_ptask_L07(const char *filename)
 977 {
 978   INFO0("surf_workstation_model_init_ptask_L07");
 979   xbt_assert0(!surf_cpu_model, "CPU model type already defined");
 980   xbt_assert0(!surf_network_model, "network model type already defined");
 981   surf_network_model = surf_model_init();
 982   ptask_define_callbacks(filename);
 983   ptask_model_init_internal();
 984
 985   update_model_description(surf_workstation_model_description,
 986                            "ptask_L07", surf_workstation_model);
 987   xbt_dynar_push(model_list, &surf_workstation_model);
 988 }