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 //       cpu_L07_t card_src = action->workstation_list[i]; // COMMENTED BY DAVID
  83 //       cpu_L07_t card_dst = action->workstation_list[j]; // COMMENTED BY DAVID
  84       xbt_dynar_t route = NULL;// used_routing->get_route(card_src->id, card_dst->id); // COMMENTED BY DAVID
  85       double lat = 0.0;
  86
  87       if (action->communication_amount[i * workstation_nb + j] > 0) {
  88         xbt_dynar_foreach(route, cpt, link) {
  89           lat += link->lat_current;
  90         }
  91         lat_current =
  92           MAX(lat_current,
  93               lat * action->communication_amount[i * workstation_nb + j]);
  94       }
  95     }
  96   }
  97   lat_bound = sg_tcp_gamma / (2.0 * lat_current);
  98   DEBUG2("action (%p) : lat_bound = %g", action, lat_bound);
  99   if ((action->latency == 0.0) && (action->suspended == 0)) {
 100     if (action->rate < 0)
 101       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 102                                 lat_bound);
 103     else
 104       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 105                                 min(action->rate, lat_bound));
 106   }
 107 }
 108
 109 /**************************************/
 110 /******* Resource Public     **********/
 111 /**************************************/
 112
 113 static int ptask_action_unref(surf_action_t action)
 114 {
 115   action->refcount--;
 116
 117   if (!action->refcount) {
 118     xbt_swag_remove(action, action->state_set);
 119     if (((surf_action_workstation_L07_t) action)->variable)
 120       lmm_variable_free(ptask_maxmin_system,
 121                         ((surf_action_workstation_L07_t) action)->variable);
 122     free(((surf_action_workstation_L07_t) action)->workstation_list);
 123     free(((surf_action_workstation_L07_t) action)->communication_amount);
 124     free(((surf_action_workstation_L07_t) action)->computation_amount);
 125     free(action);
 126     return 1;
 127   }
 128   return 0;
 129 }
 130
 131 static void ptask_action_cancel(surf_action_t action)
 132 {
 133   surf_action_state_set(action, SURF_ACTION_FAILED);
 134   return;
 135 }
 136
 137 /* action_change_state is inherited from the surf module */
 138 /* action_set_data is inherited from the surf module */
 139
 140 static void ptask_action_suspend(surf_action_t action)
 141 {
 142   XBT_IN1("(%p))", action);
 143   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 144     ((surf_action_workstation_L07_t) action)->suspended = 1;
 145     lmm_update_variable_weight(ptask_maxmin_system,
 146                                ((surf_action_workstation_L07_t)
 147                                 action)->variable, 0.0);
 148   }
 149   XBT_OUT;
 150 }
 151
 152 static void ptask_action_resume(surf_action_t action)
 153 {
 154   surf_action_workstation_L07_t act = (surf_action_workstation_L07_t) action;
 155
 156   XBT_IN1("(%p)", act);
 157   if (act->suspended != 2) {
 158     lmm_update_variable_weight(ptask_maxmin_system, act->variable, 1.0);
 159     act->suspended = 0;
 160   }
 161   XBT_OUT;
 162 }
 163
 164 static int ptask_action_is_suspended(surf_action_t action)
 165 {
 166   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 167 }
 168
 169 static void ptask_action_set_max_duration(surf_action_t action, double duration)
 170 {                               /* FIXME: should inherit */
 171   XBT_IN2("(%p,%g)", action, duration);
 172   action->max_duration = duration;
 173   XBT_OUT;
 174 }
 175
 176
 177 static void ptask_action_set_priority(surf_action_t action, double priority)
 178 {                               /* FIXME: should inherit */
 179   XBT_IN2("(%p,%g)", action, priority);
 180   action->priority = priority;
 181   XBT_OUT;
 182 }
 183
 184 static double ptask_action_get_remains(surf_action_t action)
 185 {
 186   XBT_IN1("(%p)", action);
 187   return action->remains;
 188   XBT_OUT;
 189 }
 190
 191 /**************************************/
 192 /******* Resource Private    **********/
 193 /**************************************/
 194
 195 static int ptask_resource_used(void *resource_id)
 196 {
 197   /* We can freely cast as a link_L07_t because it has
 198      the same prefix as cpu_L07_t */
 199   return lmm_constraint_used(ptask_maxmin_system,
 200                              ((link_L07_t) resource_id)->constraint);
 201
 202 }
 203
 204 static double ptask_share_resources(double now)
 205 {
 206   s_surf_action_workstation_L07_t s_action;
 207   surf_action_workstation_L07_t action = NULL;
 208
 209   xbt_swag_t running_actions =
 210     surf_workstation_model->states.running_action_set;
 211   double min = generic_maxmin_share_resources(running_actions,
 212                                               xbt_swag_offset(s_action,
 213                                                               variable),
 214                                               ptask_maxmin_system,
 215                                               bottleneck_solve);
 216
 217   xbt_swag_foreach(action, running_actions) {
 218     if (action->latency > 0) {
 219       if (min < 0) {
 220         min = action->latency;
 221         DEBUG3("Updating min (value) with %p (start %f): %f", action,
 222                action->generic_action.start, min);
 223       } else if (action->latency < min) {
 224         min = action->latency;
 225         DEBUG3("Updating min (latency) with %p (start %f): %f", action,
 226                action->generic_action.start, min);
 227       }
 228     }
 229   }
 230
 231   DEBUG1("min value : %f", min);
 232
 233   return min;
 234 }
 235
 236 static void ptask_update_actions_state(double now, double delta)
 237 {
 238   double deltap = 0.0;
 239   surf_action_workstation_L07_t action = NULL;
 240   surf_action_workstation_L07_t next_action = NULL;
 241   xbt_swag_t running_actions =
 242     surf_workstation_model->states.running_action_set;
 243
 244   xbt_swag_foreach_safe(action, next_action, running_actions) {
 245     deltap = delta;
 246     if (action->latency > 0) {
 247       if (action->latency > deltap) {
 248         double_update(&(action->latency), deltap);
 249         deltap = 0.0;
 250       } else {
 251         double_update(&(deltap), action->latency);
 252         action->latency = 0.0;
 253       }
 254       if ((action->latency == 0.0) && (action->suspended == 0)) {
 255         ptask_update_action_bound(action);
 256         lmm_update_variable_weight(ptask_maxmin_system, action->variable,
 257                                    1.0);
 258       }
 259     }
 260     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 261            action, action->generic_action.remains,
 262            lmm_variable_getvalue(action->variable) * delta);
 263     double_update(&(action->generic_action.remains),
 264                   lmm_variable_getvalue(action->variable) * delta);
 265
 266     if (action->generic_action.max_duration != NO_MAX_DURATION)
 267       double_update(&(action->generic_action.max_duration), delta);
 268
 269     DEBUG2("Action (%p) : remains (%g).",
 270            action, action->generic_action.remains);
 271     if ((action->generic_action.remains <= 0) &&
 272         (lmm_get_variable_weight(action->variable) > 0)) {
 273       action->generic_action.finish = surf_get_clock();
 274       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 275     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 276                (action->generic_action.max_duration <= 0)) {
 277       action->generic_action.finish = surf_get_clock();
 278       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 279     } else {
 280       /* Need to check that none of the model has failed */
 281       lmm_constraint_t cnst = NULL;
 282       int i = 0;
 283       void *constraint_id = NULL;
 284
 285       while ((cnst =
 286               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 287                                     i++))) {
 288         constraint_id = lmm_constraint_id(cnst);
 289
 290 /*      if(((link_L07_t)constraint_id)->type== */
 291 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 292 /*        DEBUG2("Checking for link %s (%p)", */
 293 /*               ((link_L07_t)constraint_id)->name, */
 294 /*               ((link_L07_t)constraint_id)); */
 295 /*      } */
 296 /*      if(((cpu_L07_t)constraint_id)->type== */
 297 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 298 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
 299 /*               ((cpu_L07_t)constraint_id)->name, */
 300 /*               ((cpu_L07_t)constraint_id), */
 301 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 302 /*      } */
 303
 304         if (((((link_L07_t) constraint_id)->type ==
 305               SURF_WORKSTATION_RESOURCE_LINK) &&
 306              (((link_L07_t) constraint_id)->state_current ==
 307               SURF_RESOURCE_OFF)) ||
 308             ((((cpu_L07_t) constraint_id)->type ==
 309               SURF_WORKSTATION_RESOURCE_CPU) &&
 310              (((cpu_L07_t) constraint_id)->state_current ==
 311               SURF_RESOURCE_OFF))) {
 312           DEBUG1("Action (%p) Failed!!", action);
 313           action->generic_action.finish = surf_get_clock();
 314           surf_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 315           break;
 316         }
 317       }
 318     }
 319   }
 320   return;
 321 }
 322
 323 static void ptask_update_resource_state(void *id,
 324                                   tmgr_trace_event_t event_type,
 325                                   double value, double date)
 326 {
 327   cpu_L07_t cpu = id;
 328   link_L07_t nw_link = id;
 329
 330   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 331     DEBUG2("Updating link %s (%p)", surf_resource_name(nw_link), nw_link);
 332     if (event_type == nw_link->bw_event) {
 333       nw_link->bw_current = value;
 334       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 335                                   nw_link->bw_current);
 336       if (tmgr_trace_event_free(event_type))
 337         nw_link->bw_event = NULL;
 338     } else if (event_type == nw_link->lat_event) {
 339       lmm_variable_t var = NULL;
 340       surf_action_workstation_L07_t action = NULL;
 341       lmm_element_t elem = NULL;
 342
 343       nw_link->lat_current = value;
 344       while ((var = lmm_get_var_from_cnst
 345               (ptask_maxmin_system, nw_link->constraint, &elem))) {
 346
 347
 348         action = lmm_variable_id(var);
 349         ptask_update_action_bound(action);
 350       }
 351       if (tmgr_trace_event_free(event_type))
 352         nw_link->lat_event = NULL;
 353
 354     } else if (event_type == nw_link->state_event) {
 355       if (value > 0)
 356         nw_link->state_current = SURF_RESOURCE_ON;
 357       else
 358         nw_link->state_current = SURF_RESOURCE_OFF;
 359       if (tmgr_trace_event_free(event_type))
 360         nw_link->state_event = NULL;
 361     } else {
 362       CRITICAL0("Unknown event ! \n");
 363       xbt_abort();
 364     }
 365     return;
 366   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 367     DEBUG3("Updating cpu %s (%p) with value %g", surf_resource_name(cpu), cpu,
 368            value);
 369     if (event_type == cpu->power_event) {
 370       cpu->power_current = value;
 371       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 372                                   cpu->power_current * cpu->power_scale);
 373       if (tmgr_trace_event_free(event_type))
 374         cpu->power_event = NULL;
 375     } else if (event_type == cpu->state_event) {
 376       if (value > 0)
 377         cpu->state_current = SURF_RESOURCE_ON;
 378       else
 379         cpu->state_current = SURF_RESOURCE_OFF;
 380       if (tmgr_trace_event_free(event_type))
 381         cpu->state_event = NULL;
 382     } else {
 383       CRITICAL0("Unknown event ! \n");
 384       xbt_abort();
 385     }
 386     return;
 387   } else {
 388     DIE_IMPOSSIBLE;
 389   }
 390   return;
 391 }
 392
 393 static void ptask_finalize(void)
 394 {
 395   if (ptask_parallel_task_link_set != NULL)
 396     xbt_dict_free(&ptask_parallel_task_link_set);
 397
 398   surf_model_exit(surf_workstation_model);
 399   surf_workstation_model = NULL;
 400   surf_model_exit(surf_network_model);
 401   surf_network_model = NULL;
 402   // used_routing->finalize(); // COMMENTED BY DAVID
 403   global_routing->finalize();
 404
 405   ptask_host_count = 0;
 406
 407   if (ptask_maxmin_system) {
 408     lmm_system_free(ptask_maxmin_system);
 409     ptask_maxmin_system = NULL;
 410   }
 411 }
 412
 413 /**************************************/
 414 /******* Resource Private    **********/
 415 /**************************************/
 416
 417 static e_surf_resource_state_t ptask_resource_get_state(void *cpu)
 418 {
 419   return ((cpu_L07_t) cpu)->state_current;
 420 }
 421
 422 static double ptask_get_speed(void *cpu, double load)
 423 {
 424   return load * (((cpu_L07_t) cpu)->power_scale);
 425 }
 426
 427 static double ptask_get_available_speed(void *cpu)
 428 {
 429   return ((cpu_L07_t) cpu)->power_current;
 430 }
 431
 432 static surf_action_t ptask_execute_parallel_task(int workstation_nb,
 433                                            void **workstation_list,
 434                                            double *computation_amount,
 435                                            double *communication_amount,
 436                                            double amount, double rate)
 437 {
 438   surf_action_workstation_L07_t action = NULL;
 439   int i, j;
 440   unsigned int cpt;
 441   int nb_link = 0;
 442   int nb_host = 0;
 443   double latency = 0.0;
 444
 445   if (ptask_parallel_task_link_set == NULL)
 446     ptask_parallel_task_link_set = xbt_dict_new();
 447
 448   xbt_dict_reset(ptask_parallel_task_link_set);
 449
 450   /* Compute the number of affected resources... */
 451   for (i = 0; i < workstation_nb; i++) {
 452     for (j = 0; j < workstation_nb; j++) {
 453 //       cpu_L07_t card_src = workstation_list[i]; // COMMENTED BY DAVID
 454 //       cpu_L07_t card_dst = workstation_list[j]; // COMMENTED BY DAVID
 455       link_L07_t link;
 456       xbt_dynar_t route = NULL; //used_routing->get_route(card_src->id, card_dst->id); // COMMENTED BY DAVID
 457       double lat = 0.0;
 458
 459       if (communication_amount[i * workstation_nb + j] > 0)
 460         xbt_dynar_foreach(route, cpt, link) {
 461         lat += link->lat_current;
 462         xbt_dict_set(ptask_parallel_task_link_set, link->generic_resource.name,
 463                      link, NULL);
 464         }
 465       latency = MAX(latency, lat);
 466     }
 467   }
 468
 469   nb_link = xbt_dict_length(ptask_parallel_task_link_set);
 470   xbt_dict_reset(ptask_parallel_task_link_set);
 471
 472   for (i = 0; i < workstation_nb; i++)
 473     if (computation_amount[i] > 0)
 474       nb_host++;
 475
 476   action =
 477     surf_action_new(sizeof(s_surf_action_workstation_L07_t), amount,
 478                     surf_workstation_model, 0);
 479   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.", action,
 480          workstation_nb, nb_link);
 481   action->suspended = 0;        /* Should be useless because of the
 482                                    calloc but it seems to help valgrind... */
 483   action->workstation_nb = workstation_nb;
 484   action->workstation_list = (cpu_L07_t *) workstation_list;
 485   action->computation_amount = computation_amount;
 486   action->communication_amount = communication_amount;
 487   action->latency = latency;
 488   action->rate = rate;
 489
 490   action->variable =
 491     lmm_variable_new(ptask_maxmin_system, action, 1.0,
 492                      (action->rate > 0) ? action->rate : -1.0,
 493                      workstation_nb + nb_link);
 494
 495   if (action->latency > 0)
 496     lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 497
 498   for (i = 0; i < workstation_nb; i++)
 499     lmm_expand(ptask_maxmin_system,
 500                ((cpu_L07_t) workstation_list[i])->constraint,
 501                action->variable, computation_amount[i]);
 502
 503   for (i = 0; i < workstation_nb; i++) {
 504     for (j = 0; j < workstation_nb; j++) {
 505 //       cpu_L07_t card_src = workstation_list[i]; // COMMENTED BY DAVID
 506 //       cpu_L07_t card_dst = workstation_list[j]; // COMMENTED BY DAVID
 507       link_L07_t link;
 508       xbt_dynar_t route = NULL;// used_routing->get_route(card_src->id, card_dst->id); // COMMENTED BY DAVID
 509
 510       if (communication_amount[i * workstation_nb + j] == 0.0)
 511         continue;
 512       xbt_dynar_foreach(route, cpt, link) {
 513         lmm_expand_add(ptask_maxmin_system, link->constraint,
 514                        action->variable,
 515                        communication_amount[i * workstation_nb + j]);
 516       }
 517     }
 518   }
 519
 520   if (nb_link + nb_host == 0) {
 521     action->generic_action.cost = 1.0;
 522     action->generic_action.remains = 0.0;
 523   }
 524
 525   return (surf_action_t) action;
 526 }
 527
 528 static surf_action_t ptask_execute(void *cpu, double size)
 529 {
 530   void **workstation_list = xbt_new0(void *, 1);
 531   double *computation_amount = xbt_new0(double, 1);
 532   double *communication_amount = xbt_new0(double, 1);
 533
 534   workstation_list[0] = cpu;
 535   communication_amount[0] = 0.0;
 536   computation_amount[0] = size;
 537
 538   return ptask_execute_parallel_task(1, workstation_list, computation_amount,
 539                                communication_amount, 1, -1);
 540 }
 541
 542 static surf_action_t ptask_communicate(void *src, void *dst, double size,
 543                                  double rate)
 544 {
 545   void **workstation_list = xbt_new0(void *, 2);
 546   double *computation_amount = xbt_new0(double, 2);
 547   double *communication_amount = xbt_new0(double, 4);
 548   surf_action_t res = NULL;
 549
 550   workstation_list[0] = src;
 551   workstation_list[1] = dst;
 552   communication_amount[1] = size;
 553
 554   res = ptask_execute_parallel_task(2, workstation_list,
 555                               computation_amount, communication_amount,
 556                               1, rate);
 557
 558   return res;
 559 }
 560
 561 static surf_action_t ptask_action_sleep(void *cpu, double duration)
 562 {
 563   surf_action_workstation_L07_t action = NULL;
 564
 565   XBT_IN2("(%s,%g)", surf_resource_name(cpu), duration);
 566
 567   action = (surf_action_workstation_L07_t) ptask_execute(cpu, 1.0);
 568   action->generic_action.max_duration = duration;
 569   action->suspended = 2;
 570   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 571
 572   XBT_OUT;
 573   return (surf_action_t) action;
 574 }
 575
 576 static xbt_dynar_t ptask_get_route(void *src, void *dst)
 577 {
 578         return global_routing->get_route((char *) src,(char *) dst);
 579         //return NULL; used_routing->get_route(host_src->id, host_dst->id); // COMMENTED BY DAVID
 580 }
 581
 582 static double ptask_get_link_bandwidth(const void *link)
 583 {
 584   return ((link_L07_t) link)->bw_current;
 585 }
 586
 587 static double ptask_get_link_latency(const void *link)
 588 {
 589   return ((link_L07_t) link)->lat_current;
 590 }
 591
 592 static int ptask_link_shared(const void *link)
 593 {
 594   return lmm_constraint_is_shared(((link_L07_t) link)->constraint);
 595 }
 596
 597 /**************************************/
 598 /*** Resource Creation & Destruction **/
 599 /**************************************/
 600
 601 static cpu_L07_t ptask_cpu_new(const char *name, double power_scale,
 602                          double power_initial,
 603                          tmgr_trace_t power_trace,
 604                          e_surf_resource_state_t state_initial,
 605                          tmgr_trace_t state_trace, xbt_dict_t cpu_properties)
 606 {
 607   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
 608   xbt_assert1(!surf_model_resource_by_name(surf_workstation_model, name),
 609               "Host '%s' declared several times in the platform file.", name);
 610
 611   cpu->generic_resource.model = surf_workstation_model;
 612   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 613   cpu->generic_resource.name = xbt_strdup(name);
 614   cpu->generic_resource.properties = current_property_set;
 615   cpu->id = ptask_host_count++;
 616
 617   cpu->power_scale = power_scale;
 618   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 619
 620   cpu->power_current = power_initial;
 621   if (power_trace)
 622     cpu->power_event =
 623       tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 624
 625   cpu->state_current = state_initial;
 626   if (state_trace)
 627     cpu->state_event =
 628       tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 629
 630   cpu->constraint =
 631     lmm_constraint_new(ptask_maxmin_system, cpu,
 632                        cpu->power_current * cpu->power_scale);
 633
 634   xbt_dict_set(surf_model_resource_set(surf_workstation_model), name, cpu,
 635                surf_resource_free);
 636
 637   return cpu;
 638 }
 639
 640 static void ptask_parse_cpu_init(void)
 641 {
 642   double power_scale = 0.0;
 643   double power_initial = 0.0;
 644   tmgr_trace_t power_trace = NULL;
 645   e_surf_resource_state_t state_initial = SURF_RESOURCE_OFF;
 646   tmgr_trace_t state_trace = NULL;
 647
 648   power_scale = get_cpu_power(A_surfxml_host_power);
 649   surf_parse_get_double(&power_initial, A_surfxml_host_availability);
 650   power_trace = tmgr_trace_new(A_surfxml_host_availability_file);
 651
 652   xbt_assert0((A_surfxml_host_state == A_surfxml_host_state_ON) ||
 653               (A_surfxml_host_state == A_surfxml_host_state_OFF),
 654               "Invalid state");
 655   if (A_surfxml_host_state == A_surfxml_host_state_ON)
 656     state_initial = SURF_RESOURCE_ON;
 657   if (A_surfxml_host_state == A_surfxml_host_state_OFF)
 658     state_initial = SURF_RESOURCE_OFF;
 659   state_trace = tmgr_trace_new(A_surfxml_host_state_file);
 660
 661   current_property_set = xbt_dict_new();
 662   ptask_cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
 663           state_initial, state_trace, current_property_set);
 664 }
 665
 666 static void ptask_cpu_create_resource(char *name, double power_peak,
 667         double power_scale,
 668         tmgr_trace_t power_trace,
 669         e_surf_resource_state_t state_initial,
 670         tmgr_trace_t state_trace,
 671         xbt_dict_t cpu_properties)
 672 {
 673         ptask_cpu_new(xbt_strdup(name),power_peak,power_scale,power_trace,
 674                                           state_initial,state_trace,cpu_properties);
 675 }
 676
 677 static link_L07_t ptask_link_new(char *name,
 678                            double bw_initial,
 679                            tmgr_trace_t bw_trace,
 680                            double lat_initial,
 681                            tmgr_trace_t lat_trace,
 682                            e_surf_resource_state_t
 683                            state_initial,
 684                            tmgr_trace_t state_trace,
 685                            e_surf_link_sharing_policy_t
 686                            policy, xbt_dict_t properties)
 687 {
 688   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
 689   xbt_assert1(!xbt_dict_get_or_null(surf_network_model->resource_set, name),
 690               "Link '%s' declared several times in the platform file.", name);
 691
 692   nw_link->generic_resource.model = surf_workstation_model;
 693   nw_link->generic_resource.properties = properties;
 694   nw_link->generic_resource.name = name;
 695   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 696   nw_link->bw_current = bw_initial;
 697   if (bw_trace)
 698     nw_link->bw_event =
 699       tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 700   nw_link->state_current = state_initial;
 701   nw_link->lat_current = lat_initial;
 702   if (lat_trace)
 703     nw_link->lat_event =
 704       tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 705   if (state_trace)
 706     nw_link->state_event =
 707       tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 708
 709   nw_link->constraint =
 710     lmm_constraint_new(ptask_maxmin_system, nw_link, nw_link->bw_current);
 711
 712   if (policy == SURF_LINK_FATPIPE)
 713     lmm_constraint_shared(nw_link->constraint);
 714
 715
 716   xbt_dict_set(surf_network_model->resource_set, name, nw_link,
 717                surf_resource_free);
 718
 719   return nw_link;
 720 }
 721
 722 static void ptask_parse_link_init(void)
 723 {
 724   char *name_link;
 725   double bw_initial;
 726   tmgr_trace_t bw_trace;
 727   double lat_initial;
 728   tmgr_trace_t lat_trace;
 729   e_surf_resource_state_t state_initial_link = SURF_RESOURCE_ON;
 730   e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
 731   tmgr_trace_t state_trace;
 732
 733   name_link = xbt_strdup(A_surfxml_link_id);
 734   surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
 735   bw_trace = tmgr_trace_new(A_surfxml_link_bandwidth_file);
 736   surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
 737   lat_trace = tmgr_trace_new(A_surfxml_link_latency_file);
 738
 739   xbt_assert0((A_surfxml_link_state == A_surfxml_link_state_ON)
 740               || (A_surfxml_link_state ==
 741                   A_surfxml_link_state_OFF), "Invalid state");
 742   if (A_surfxml_link_state == A_surfxml_link_state_ON)
 743     state_initial_link = SURF_RESOURCE_ON;
 744   else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
 745     state_initial_link = SURF_RESOURCE_OFF;
 746
 747   if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
 748     policy_initial_link = SURF_LINK_SHARED;
 749   else if (A_surfxml_link_sharing_policy ==
 750            A_surfxml_link_sharing_policy_FATPIPE)
 751     policy_initial_link = SURF_LINK_FATPIPE;
 752
 753   state_trace = tmgr_trace_new(A_surfxml_link_state_file);
 754
 755   current_property_set = xbt_dict_new();
 756   ptask_link_new(name_link, bw_initial, bw_trace, lat_initial, lat_trace,
 757            state_initial_link, state_trace, policy_initial_link,
 758            current_property_set);
 759 }
 760
 761 static void ptask_link_create_resource(char *name,
 762                                                                           double bw_initial,
 763                                                                           tmgr_trace_t bw_trace,
 764                                                                           double lat_initial,
 765                                                                           tmgr_trace_t lat_trace,
 766                                                                           e_surf_resource_state_t
 767                                                                           state_initial,
 768                                                                           tmgr_trace_t state_trace,
 769                                                                           e_surf_link_sharing_policy_t
 770                                                                           policy, xbt_dict_t properties)
 771 {
 772
 773         ptask_link_new(name, bw_initial, bw_trace,
 774                    lat_initial, lat_trace, state_initial, state_trace,policy, xbt_dict_new());
 775 }
 776
 777
 778 static void ptask_add_traces(void)
 779 {
 780   xbt_dict_cursor_t cursor = NULL;
 781   char *trace_name, *elm;
 782
 783   if (!trace_connect_list_host_avail)
 784     return;
 785
 786   /* Connect traces relative to cpu */
 787   xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 788     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 789     cpu_L07_t host = surf_model_resource_by_name(surf_workstation_model, elm);
 790
 791     xbt_assert1(host, "Host %s undefined", elm);
 792     xbt_assert1(trace, "Trace %s undefined", trace_name);
 793
 794     host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 795   }
 796
 797   xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 798     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 799     cpu_L07_t host = surf_model_resource_by_name(surf_workstation_model, elm);
 800
 801     xbt_assert1(host, "Host %s undefined", elm);
 802     xbt_assert1(trace, "Trace %s undefined", trace_name);
 803
 804     host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 805   }
 806
 807   /* Connect traces relative to network */
 808   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 809     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 810     link_L07_t link =
 811       xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 812
 813     xbt_assert1(link, "Link %s undefined", elm);
 814     xbt_assert1(trace, "Trace %s undefined", trace_name);
 815
 816     link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 817   }
 818
 819   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 820     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 821     link_L07_t link =
 822       xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 823
 824     xbt_assert1(link, "Link %s undefined", elm);
 825     xbt_assert1(trace, "Trace %s undefined", trace_name);
 826
 827     link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 828   }
 829
 830   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 831     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 832     link_L07_t link =
 833       xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 834
 835     xbt_assert1(link, "Link %s undefined", elm);
 836     xbt_assert1(trace, "Trace %s undefined", trace_name);
 837
 838     link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 839   }
 840 }
 841
 842 static void ptask_define_callbacks(const char *file)
 843 {
 844   /* Adding callback functions */
 845   surf_parse_reset_parser();
 846   surfxml_add_callback(STag_surfxml_host_cb_list, &ptask_parse_cpu_init);
 847   surfxml_add_callback(STag_surfxml_link_cb_list, &ptask_parse_link_init);
 848   surfxml_add_callback(ETag_surfxml_platform_cb_list, &ptask_add_traces);
 849 }
 850
 851 /**************************************/
 852 /********* Module  creation ***********/
 853 /**************************************/
 854
 855 static void ptask_model_init_internal(void)
 856 {
 857   surf_workstation_model = surf_model_init();
 858
 859   surf_workstation_model->action_unref = ptask_action_unref;
 860   surf_workstation_model->action_cancel = ptask_action_cancel;
 861   surf_workstation_model->action_state_set = surf_action_state_set;
 862   surf_workstation_model->suspend = ptask_action_suspend;
 863   surf_workstation_model->resume = ptask_action_resume;
 864   surf_workstation_model->is_suspended = ptask_action_is_suspended;
 865   surf_workstation_model->set_max_duration = ptask_action_set_max_duration;
 866   surf_workstation_model->set_priority = ptask_action_set_priority;
 867   surf_workstation_model->get_remains = ptask_action_get_remains;
 868   surf_workstation_model->name = "Workstation ptask_L07";
 869
 870   surf_workstation_model->model_private->resource_used = ptask_resource_used;
 871   surf_workstation_model->model_private->share_resources = ptask_share_resources;
 872   surf_workstation_model->model_private->update_actions_state =
 873     ptask_update_actions_state;
 874   surf_workstation_model->model_private->update_resource_state =
 875     ptask_update_resource_state;
 876   surf_workstation_model->model_private->finalize = ptask_finalize;
 877
 878
 879   surf_workstation_model->extension.workstation.execute = ptask_execute;
 880   surf_workstation_model->extension.workstation.sleep = ptask_action_sleep;
 881   surf_workstation_model->extension.workstation.get_state =
 882     ptask_resource_get_state;
 883   surf_workstation_model->extension.workstation.get_speed = ptask_get_speed;
 884   surf_workstation_model->extension.workstation.get_available_speed =
 885     ptask_get_available_speed;
 886   surf_workstation_model->extension.workstation.communicate = ptask_communicate;
 887   surf_workstation_model->extension.workstation.get_route = ptask_get_route;
 888   surf_workstation_model->extension.workstation.execute_parallel_task =
 889     ptask_execute_parallel_task;
 890   surf_workstation_model->extension.workstation.get_link_bandwidth =
 891     ptask_get_link_bandwidth;
 892   surf_workstation_model->extension.workstation.get_link_latency =
 893     ptask_get_link_latency;
 894   surf_workstation_model->extension.workstation.link_shared = ptask_link_shared;
 895   surf_workstation_model->extension.workstation.get_properties =
 896     surf_resource_properties;
 897   surf_workstation_model->extension.workstation.link_create_resource =
 898         ptask_link_create_resource;
 899   surf_workstation_model->extension.workstation.cpu_create_resource =
 900         ptask_cpu_create_resource;
 901   surf_workstation_model->extension.workstation.add_traces = ptask_add_traces;
 902
 903   if (!ptask_maxmin_system)
 904     ptask_maxmin_system = lmm_system_new();
 905
 906   routing_model_create(sizeof(link_L07_t),
 907                        ptask_link_new(xbt_strdup("__loopback__"),
 908                                 498000000, NULL, 0.000015, NULL,
 909                                 SURF_RESOURCE_ON, NULL, SURF_LINK_FATPIPE,
 910                                 NULL));
 911
 912 }
 913
 914 /**************************************/
 915 /*************** Generic **************/
 916 /**************************************/
 917 void surf_workstation_model_init_ptask_L07(const char *filename)
 918 {
 919   INFO0("surf_workstation_model_init_ptask_L07");
 920   xbt_assert0(!surf_cpu_model, "CPU model type already defined");
 921   xbt_assert0(!surf_network_model, "network model type already defined");
 922   surf_network_model = surf_model_init();
 923   ptask_define_callbacks(filename);
 924   ptask_model_init_internal();
 925
 926   update_model_description(surf_workstation_model_description,
 927                            "ptask_L07", surf_workstation_model);
 928   xbt_dynar_push(model_list, &surf_workstation_model);
 929 }