src/surf/workstation_ptask_L07.c

   1 /*      $Id$     */
   2
   3 /* Copyright (c) 2007 Arnaud Legrand. All rights reserved.                  */
   4
   5 /* This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the license (GNU LGPL) which comes with this package. */
   7
   8 #include "xbt/ex.h"
   9 #include "xbt/str.h"
  10 #include "xbt/dict.h"
  11 #include "surf_private.h"
  12
  13 typedef enum {
  14   SURF_WORKSTATION_RESOURCE_CPU,
  15   SURF_WORKSTATION_RESOURCE_LINK,
  16 } e_surf_workstation_model_type_t;
  17
  18 /**************************************/
  19 /********* cpu object *****************/
  20 /**************************************/
  21 typedef struct cpu_L07 {
  22   s_surf_resource_t generic_resource;  /* Do not move this field: must match surf_resource_t */
  23   xbt_dict_t properties;        /* Do not move this field: must match link_L07_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   e_surf_cpu_state_t state_current;
  30   tmgr_trace_event_t state_event;
  31   int id;                       /* cpu and network card are a single object... */
  32 } s_cpu_L07_t, *cpu_L07_t;
  33
  34 /**************************************/
  35 /*********** network object ***********/
  36 /**************************************/
  37
  38 typedef struct link_L07 {
  39   s_surf_resource_t generic_resource;  /* Do not move this field: must match surf_resource_t */
  40   xbt_dict_t properties;        /* Do not move this field: must match link_L07_t */
  41   e_surf_workstation_model_type_t type; /* Do not move this field: must match cpu_L07_t */
  42   lmm_constraint_t constraint;  /* Do not move this field: must match cpu_L07_t */
  43   double lat_current;
  44   tmgr_trace_event_t lat_event;
  45   double bw_current;
  46   tmgr_trace_event_t bw_event;
  47   e_surf_link_state_t state_current;
  48   tmgr_trace_event_t state_event;
  49 } s_link_L07_t, *link_L07_t;
  50
  51 /**************************************/
  52 /*************** actions **************/
  53 /**************************************/
  54 typedef struct surf_action_workstation_L07 {
  55   s_surf_action_t generic_action;
  56   lmm_variable_t variable;
  57   int workstation_nb;
  58   cpu_L07_t *workstation_list;
  59   double *computation_amount;
  60   double *communication_amount;
  61   double latency;
  62   double rate;
  63   int suspended;
  64 } s_surf_action_workstation_L07_t, *surf_action_workstation_L07_t;
  65
  66
  67 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
  68
  69 static int host_count = 0;
  70 static xbt_dict_t parallel_task_link_set = NULL;
  71 lmm_system_t ptask_maxmin_system = NULL;
  72
  73
  74 static void update_action_bound(surf_action_workstation_L07_t action)
  75 {
  76   int workstation_nb = action->workstation_nb;
  77   double lat_current = 0.0;
  78   double lat_bound = -1.0;
  79   int i, j;
  80   unsigned int cpt;
  81   link_L07_t link;
  82
  83   for (i = 0; i < workstation_nb; i++) {
  84     for (j = 0; j < workstation_nb; j++) {
  85       cpu_L07_t card_src = action->workstation_list[i];
  86       cpu_L07_t card_dst = action->workstation_list[j];
  87       xbt_dynar_t route = used_routing->get_route(card_src->id, card_dst->id);
  88       double lat = 0.0;
  89
  90       if (action->communication_amount[i * workstation_nb + j] > 0) {
  91         xbt_dynar_foreach(route,cpt,link) {
  92           lat += link->lat_current;
  93         }
  94         lat_current =
  95           MAX(lat_current,
  96               lat * action->communication_amount[i * workstation_nb + j]);
  97       }
  98     }
  99   }
 100   lat_bound = sg_tcp_gamma / (2.0 * lat_current);
 101   DEBUG2("action (%p) : lat_bound = %g", action, lat_bound);
 102   if ((action->latency == 0.0) && (action->suspended == 0)) {
 103     if (action->rate < 0)
 104       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 105                                 lat_bound);
 106     else
 107       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 108                                 min(action->rate, lat_bound));
 109   }
 110 }
 111
 112 /**************************************/
 113 /******* Resource Public     **********/
 114 /**************************************/
 115
 116 static xbt_dict_t get_properties(void *r)
 117 {
 118   /* We can freely cast as a cpu_L07_t since it has the same prefix than link_L07_t */
 119   return ((cpu_L07_t) r)->properties;
 120 }
 121
 122 static int action_unref(surf_action_t action)
 123 {
 124   action->refcount--;
 125
 126   if (!action->refcount) {
 127     xbt_swag_remove(action, action->state_set);
 128     if (((surf_action_workstation_L07_t) action)->variable)
 129       lmm_variable_free(ptask_maxmin_system,
 130                         ((surf_action_workstation_L07_t) action)->variable);
 131     free(((surf_action_workstation_L07_t) action)->workstation_list);
 132     free(((surf_action_workstation_L07_t) action)->communication_amount);
 133     free(((surf_action_workstation_L07_t) action)->computation_amount);
 134     free(action);
 135     return 1;
 136   }
 137   return 0;
 138 }
 139
 140 static void action_cancel(surf_action_t action)
 141 {
 142   surf_action_state_set(action, SURF_ACTION_FAILED);
 143   return;
 144 }
 145
 146 /* action_change_state is inherited from the surf module */
 147 /* action_set_data is inherited from the surf module */
 148
 149 static void action_suspend(surf_action_t action)
 150 {
 151   XBT_IN1("(%p))", action);
 152   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 153     ((surf_action_workstation_L07_t) action)->suspended = 1;
 154     lmm_update_variable_weight(ptask_maxmin_system,
 155                                ((surf_action_workstation_L07_t)
 156                                 action)->variable, 0.0);
 157   }
 158   XBT_OUT;
 159 }
 160
 161 static void action_resume(surf_action_t action)
 162 {
 163   surf_action_workstation_L07_t act = (surf_action_workstation_L07_t) action;
 164
 165   XBT_IN1("(%p)", act);
 166   if (act->suspended != 2) {
 167     lmm_update_variable_weight(ptask_maxmin_system, act->variable, 1.0);
 168     act->suspended = 0;
 169   }
 170   XBT_OUT;
 171 }
 172
 173 static int action_is_suspended(surf_action_t action)
 174 {
 175   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 176 }
 177
 178 static void action_set_max_duration(surf_action_t action, double duration)
 179 {                               /* FIXME: should inherit */
 180   XBT_IN2("(%p,%g)", action, duration);
 181   action->max_duration = duration;
 182   XBT_OUT;
 183 }
 184
 185
 186 static void action_set_priority(surf_action_t action, double priority)
 187 {                               /* FIXME: should inherit */
 188   XBT_IN2("(%p,%g)", action, priority);
 189   action->priority = priority;
 190   XBT_OUT;
 191 }
 192
 193 /**************************************/
 194 /******* Resource Private    **********/
 195 /**************************************/
 196
 197 static int resource_used(void *resource_id)
 198 {
 199   /* We can freely cast as a link_L07_t because it has
 200      the same prefix as cpu_L07_t */
 201   return lmm_constraint_used(ptask_maxmin_system,
 202                              ((link_L07_t) resource_id)->constraint);
 203
 204 }
 205
 206 static double share_resources(double now)
 207 {
 208   s_surf_action_workstation_L07_t s_action;
 209   surf_action_workstation_L07_t action = NULL;
 210
 211   xbt_swag_t running_actions =
 212     surf_workstation_model->states.running_action_set;
 213   double min = generic_maxmin_share_resources(running_actions,
 214                                               xbt_swag_offset(s_action,
 215                                                               variable),
 216                                               ptask_maxmin_system,
 217                                               bottleneck_solve);
 218
 219   xbt_swag_foreach(action, running_actions) {
 220     if (action->latency > 0) {
 221       if (min < 0) {
 222         min = action->latency;
 223         DEBUG3("Updating min (value) with %p (start %f): %f", action,
 224                action->generic_action.start, min);
 225       } else if (action->latency < min) {
 226         min = action->latency;
 227         DEBUG3("Updating min (latency) with %p (start %f): %f", action,
 228                action->generic_action.start, min);
 229       }
 230     }
 231   }
 232
 233   DEBUG1("min value : %f", min);
 234
 235   return min;
 236 }
 237
 238 static void update_actions_state(double now, double delta)
 239 {
 240   double deltap = 0.0;
 241   surf_action_workstation_L07_t action = NULL;
 242   surf_action_workstation_L07_t next_action = NULL;
 243   xbt_swag_t running_actions =
 244     surf_workstation_model->states.running_action_set;
 245
 246   xbt_swag_foreach_safe(action, next_action, running_actions) {
 247     deltap = delta;
 248     if (action->latency > 0) {
 249       if (action->latency > deltap) {
 250         double_update(&(action->latency), deltap);
 251         deltap = 0.0;
 252       } else {
 253         double_update(&(deltap), action->latency);
 254         action->latency = 0.0;
 255       }
 256       if ((action->latency == 0.0) && (action->suspended == 0)) {
 257         update_action_bound(action);
 258         lmm_update_variable_weight(ptask_maxmin_system, action->variable,
 259                                    1.0);
 260       }
 261     }
 262     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 263            action, action->generic_action.remains,
 264            lmm_variable_getvalue(action->variable) * delta);
 265     double_update(&(action->generic_action.remains),
 266                   lmm_variable_getvalue(action->variable) * delta);
 267
 268     if (action->generic_action.max_duration != NO_MAX_DURATION)
 269       double_update(&(action->generic_action.max_duration), delta);
 270
 271     DEBUG2("Action (%p) : remains (%g).",
 272            action, action->generic_action.remains);
 273     if ((action->generic_action.remains <= 0) &&
 274         (lmm_get_variable_weight(action->variable) > 0)) {
 275       action->generic_action.finish = surf_get_clock();
 276       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 277     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 278                (action->generic_action.max_duration <= 0)) {
 279       action->generic_action.finish = surf_get_clock();
 280       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 281     } else {
 282       /* Need to check that none of the model has failed */
 283       lmm_constraint_t cnst = NULL;
 284       int i = 0;
 285       void *constraint_id = NULL;
 286
 287       while ((cnst =
 288               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 289                                     i++))) {
 290         constraint_id = lmm_constraint_id(cnst);
 291
 292 /*      if(((link_L07_t)constraint_id)->type== */
 293 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 294 /*        DEBUG2("Checking for link %s (%p)", */
 295 /*               ((link_L07_t)constraint_id)->name, */
 296 /*               ((link_L07_t)constraint_id)); */
 297 /*      } */
 298 /*      if(((cpu_L07_t)constraint_id)->type== */
 299 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 300 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
 301 /*               ((cpu_L07_t)constraint_id)->name, */
 302 /*               ((cpu_L07_t)constraint_id), */
 303 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 304 /*      } */
 305
 306         if (((((link_L07_t) constraint_id)->type ==
 307               SURF_WORKSTATION_RESOURCE_LINK) &&
 308              (((link_L07_t) constraint_id)->state_current ==
 309               SURF_LINK_OFF)) ||
 310             ((((cpu_L07_t) constraint_id)->type ==
 311               SURF_WORKSTATION_RESOURCE_CPU) &&
 312              (((cpu_L07_t) constraint_id)->state_current == SURF_CPU_OFF))) {
 313           DEBUG1("Action (%p) Failed!!", action);
 314           action->generic_action.finish = surf_get_clock();
 315           surf_action_state_set((surf_action_t) action,
 316                                    SURF_ACTION_FAILED);
 317           break;
 318         }
 319       }
 320     }
 321   }
 322   return;
 323 }
 324
 325 static void update_resource_state(void *id,
 326                                   tmgr_trace_event_t event_type,
 327                                   double value, double date)
 328 {
 329   cpu_L07_t cpu = id;
 330   link_L07_t nw_link = id;
 331
 332   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 333     DEBUG2("Updating link %s (%p)", nw_link->generic_resource.name, nw_link);
 334     if (event_type == nw_link->bw_event) {
 335       nw_link->bw_current = value;
 336       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 337                                   nw_link->bw_current);
 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         update_action_bound(action);
 350       }
 351
 352     } else if (event_type == nw_link->state_event) {
 353       if (value > 0)
 354         nw_link->state_current = SURF_LINK_ON;
 355       else
 356         nw_link->state_current = SURF_LINK_OFF;
 357     } else {
 358       CRITICAL0("Unknown event ! \n");
 359       xbt_abort();
 360     }
 361     return;
 362   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 363     DEBUG3("Updating cpu %s (%p) with value %g", cpu->generic_resource.name, cpu, value);
 364     if (event_type == cpu->power_event) {
 365       cpu->power_current = value;
 366       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 367                                   cpu->power_current * cpu->power_scale);
 368     } else if (event_type == cpu->state_event) {
 369       if (value > 0)
 370         cpu->state_current = SURF_CPU_ON;
 371       else
 372         cpu->state_current = SURF_CPU_OFF;
 373     } else {
 374       CRITICAL0("Unknown event ! \n");
 375       xbt_abort();
 376     }
 377     return;
 378   } else {
 379     DIE_IMPOSSIBLE;
 380   }
 381   return;
 382 }
 383
 384 static void finalize(void)
 385 {
 386   xbt_dict_free(&link_set);
 387   if (parallel_task_link_set != NULL) {
 388     xbt_dict_free(&parallel_task_link_set);
 389   }
 390
 391   surf_model_exit(surf_workstation_model);
 392   surf_workstation_model = NULL;
 393   used_routing->finalize();
 394
 395   host_count = 0; // FIXME: KILLME?
 396
 397   if (ptask_maxmin_system) {
 398     lmm_system_free(ptask_maxmin_system);
 399     ptask_maxmin_system = NULL;
 400   }
 401 }
 402
 403 /**************************************/
 404 /******* Resource Private    **********/
 405 /**************************************/
 406
 407 static e_surf_cpu_state_t resource_get_state(void *cpu)
 408 {
 409   return ((cpu_L07_t) cpu)->state_current;
 410 }
 411
 412 static double get_speed(void *cpu, double load)
 413 {
 414   return load * (((cpu_L07_t) cpu)->power_scale);
 415 }
 416
 417 static double get_available_speed(void *cpu)
 418 {
 419   return ((cpu_L07_t) cpu)->power_current;
 420 }
 421
 422 static surf_action_t execute_parallel_task(int workstation_nb,
 423                                            void **workstation_list,
 424                                            double *computation_amount,
 425                                            double *communication_amount,
 426                                            double amount, double rate)
 427 {
 428   surf_action_workstation_L07_t action = NULL;
 429   int i, j;
 430   unsigned int cpt;
 431   int nb_link = 0;
 432   int nb_host = 0;
 433   double latency = 0.0;
 434
 435   if (parallel_task_link_set == NULL)
 436     parallel_task_link_set = xbt_dict_new();
 437
 438   xbt_dict_reset(parallel_task_link_set);
 439
 440   /* Compute the number of affected resources... */
 441   for (i = 0; i < workstation_nb; i++) {
 442     for (j = 0; j < workstation_nb; j++) {
 443       cpu_L07_t card_src = workstation_list[i];
 444       cpu_L07_t card_dst = workstation_list[j];
 445       link_L07_t link;
 446       xbt_dynar_t route = used_routing->get_route(card_src->id, card_dst->id);
 447       double lat = 0.0;
 448
 449       if (communication_amount[i * workstation_nb + j] > 0)
 450         xbt_dynar_foreach(route,cpt,link) {
 451           lat += link->lat_current;
 452           xbt_dict_set(parallel_task_link_set, link->generic_resource.name,
 453                        link, NULL);
 454         }
 455       latency = MAX(latency, lat);
 456     }
 457   }
 458
 459   nb_link = xbt_dict_length(parallel_task_link_set);
 460   xbt_dict_reset(parallel_task_link_set);
 461
 462   for (i = 0; i < workstation_nb; i++)
 463     if (computation_amount[i] > 0)
 464       nb_host++;
 465
 466   action = xbt_new0(s_surf_action_workstation_L07_t, 1);
 467   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 468          action, workstation_nb, nb_link);
 469   action->generic_action.refcount = 1;
 470   action->generic_action.cost = amount;
 471   action->generic_action.remains = amount;
 472   action->generic_action.max_duration = NO_MAX_DURATION;
 473   action->generic_action.start = surf_get_clock();
 474   action->generic_action.finish = -1.0;
 475   action->generic_action.model_type = surf_workstation_model;
 476   action->suspended = 0;        /* Should be useless because of the
 477                                    calloc but it seems to help valgrind... */
 478   action->workstation_nb = workstation_nb;
 479   action->workstation_list = (cpu_L07_t *) workstation_list;
 480   action->computation_amount = computation_amount;
 481   action->communication_amount = communication_amount;
 482   action->latency = latency;
 483   action->generic_action.state_set =
 484     surf_workstation_model->states.running_action_set;
 485
 486   xbt_swag_insert(action, action->generic_action.state_set);
 487   action->rate = rate;
 488
 489   action->variable =
 490     lmm_variable_new(ptask_maxmin_system, action, 1.0,
 491                      (action->rate > 0) ? action->rate : -1.0,
 492                      workstation_nb + nb_link);
 493
 494   if (action->latency > 0)
 495     lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 496
 497   for (i = 0; i < workstation_nb; i++)
 498     lmm_expand(ptask_maxmin_system,
 499                ((cpu_L07_t) workstation_list[i])->constraint,
 500                action->variable, computation_amount[i]);
 501
 502   for (i = 0; i < workstation_nb; i++) {
 503     for (j = 0; j < workstation_nb; j++) {
 504       cpu_L07_t card_src = workstation_list[i];
 505       cpu_L07_t card_dst = workstation_list[j];
 506       link_L07_t link;
 507       xbt_dynar_t route = used_routing->get_route(card_src->id, card_dst->id);
 508
 509       if (communication_amount[i * workstation_nb + j] == 0.0)
 510         continue;
 511       xbt_dynar_foreach(route,cpt,link) {
 512         lmm_expand_add(ptask_maxmin_system, link->constraint,
 513                        action->variable,
 514                        communication_amount[i * workstation_nb + j]);
 515       }
 516     }
 517   }
 518
 519   if (nb_link + nb_host == 0) {
 520     action->generic_action.cost = 1.0;
 521     action->generic_action.remains = 0.0;
 522   }
 523
 524   return (surf_action_t) action;
 525 }
 526
 527 static surf_action_t execute(void *cpu, double size)
 528 {
 529   void **workstation_list = xbt_new0(void *, 1);
 530   double *computation_amount = xbt_new0(double, 1);
 531   double *communication_amount = xbt_new0(double, 1);
 532
 533   workstation_list[0] = cpu;
 534   communication_amount[0] = 0.0;
 535   computation_amount[0] = size;
 536
 537   return execute_parallel_task(1, workstation_list, computation_amount,
 538                                communication_amount, 1, -1);
 539 }
 540
 541 static surf_action_t communicate(void *src, void *dst, double size,
 542                                  double rate)
 543 {
 544   void **workstation_list = xbt_new0(void *, 2);
 545   double *computation_amount = xbt_new0(double, 2);
 546   double *communication_amount = xbt_new0(double, 4);
 547   surf_action_t res = NULL;
 548
 549   workstation_list[0] = src;
 550   workstation_list[1] = dst;
 551   communication_amount[1] = size;
 552
 553   res = execute_parallel_task(2, workstation_list,
 554                               computation_amount, communication_amount,
 555                               1, rate);
 556
 557   return res;
 558 }
 559
 560 static surf_action_t action_sleep(void *cpu, double duration)
 561 {
 562   surf_action_workstation_L07_t action = NULL;
 563
 564   XBT_IN2("(%s,%g)", ((cpu_L07_t) cpu)->generic_resource.name, duration);
 565
 566   action = (surf_action_workstation_L07_t) execute(cpu, 1.0);
 567   action->generic_action.max_duration = duration;
 568   action->suspended = 2;
 569   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 570
 571   XBT_OUT;
 572   return (surf_action_t) action;
 573 }
 574
 575 static xbt_dynar_t get_route(void *src, void *dst)
 576 {
 577   cpu_L07_t host_src = src;
 578   cpu_L07_t host_dst = dst;
 579
 580   return used_routing->get_route(host_src->id, host_dst->id);
 581 }
 582
 583 static double get_link_bandwidth(const void *link)
 584 {
 585   return ((link_L07_t) link)->bw_current;
 586 }
 587
 588 static double get_link_latency(const void *link)
 589 {
 590   return ((link_L07_t) link)->lat_current;
 591 }
 592
 593 static int link_shared(const void *link)
 594 {
 595   return lmm_constraint_is_shared(((link_L07_t) link)->constraint);
 596 }
 597
 598 /**************************************/
 599 /*** Resource Creation & Destruction **/
 600 /**************************************/
 601
 602 static void cpu_free(void *cpu)
 603 {
 604   xbt_dict_free(&(((cpu_L07_t) cpu)->properties));
 605   surf_resource_free(cpu);
 606 }
 607
 608 static cpu_L07_t cpu_new(const char *name, double power_scale,
 609                          double power_initial,
 610                          tmgr_trace_t power_trace,
 611                          e_surf_cpu_state_t state_initial,
 612                          tmgr_trace_t state_trace, xbt_dict_t cpu_properties)
 613 {
 614   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
 615   xbt_assert1(!surf_model_resource_by_name(surf_workstation_model, name),
 616               "Host '%s' declared several times in the platform file.", name);
 617
 618   cpu->generic_resource.model = surf_workstation_model;
 619   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 620   cpu->generic_resource.name = xbt_strdup(name);
 621   cpu->id = host_count++;
 622
 623   cpu->power_scale = power_scale;
 624   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 625
 626   cpu->power_current = power_initial;
 627   if (power_trace)
 628     cpu->power_event =
 629       tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 630
 631   cpu->state_current = state_initial;
 632   if (state_trace)
 633     cpu->state_event =
 634       tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 635
 636   cpu->constraint =
 637     lmm_constraint_new(ptask_maxmin_system, cpu,
 638                        cpu->power_current * cpu->power_scale);
 639
 640   /*add the property set */
 641   cpu->properties = current_property_set;
 642
 643   xbt_dict_set(surf_model_resource_set(surf_workstation_model), name, cpu,
 644                cpu_free);
 645
 646   return cpu;
 647 }
 648
 649 static void parse_cpu_init(void)
 650 {
 651   double power_scale = 0.0;
 652   double power_initial = 0.0;
 653   tmgr_trace_t power_trace = NULL;
 654   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 655   tmgr_trace_t state_trace = NULL;
 656
 657   power_scale = get_cpu_power(A_surfxml_host_power);
 658   surf_parse_get_double(&power_initial, A_surfxml_host_availability);
 659   surf_parse_get_trace(&power_trace, A_surfxml_host_availability_file);
 660
 661   xbt_assert0((A_surfxml_host_state == A_surfxml_host_state_ON) ||
 662               (A_surfxml_host_state == A_surfxml_host_state_OFF),
 663               "Invalid state");
 664   if (A_surfxml_host_state == A_surfxml_host_state_ON)
 665     state_initial = SURF_CPU_ON;
 666   if (A_surfxml_host_state == A_surfxml_host_state_OFF)
 667     state_initial = SURF_CPU_OFF;
 668   surf_parse_get_trace(&state_trace, A_surfxml_host_state_file);
 669
 670   current_property_set = xbt_dict_new();
 671   cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
 672           state_initial, state_trace, current_property_set);
 673 }
 674
 675 static void link_free(void *nw_link)
 676 {
 677   xbt_dict_free(&(((link_L07_t) nw_link)->properties));
 678   surf_resource_free(nw_link);
 679 }
 680
 681 static link_L07_t link_new(char *name,
 682                            double bw_initial,
 683                            tmgr_trace_t bw_trace,
 684                            double lat_initial,
 685                            tmgr_trace_t lat_trace,
 686                            e_surf_link_state_t
 687                            state_initial,
 688                            tmgr_trace_t state_trace,
 689                            e_surf_link_sharing_policy_t
 690                            policy, xbt_dict_t properties)
 691 {
 692   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
 693   xbt_assert1(!xbt_dict_get_or_null(link_set, name),
 694               "Link '%s' declared several times in the platform file.", name);
 695
 696   nw_link->generic_resource.model = surf_workstation_model;
 697   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 698   nw_link->generic_resource.name = name;
 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, nw_link->bw_current);
 714
 715   if (policy == SURF_LINK_FATPIPE)
 716     lmm_constraint_shared(nw_link->constraint);
 717
 718   nw_link->properties = properties;
 719
 720   xbt_dict_set(link_set, name, nw_link, link_free);
 721
 722   return nw_link;
 723 }
 724
 725 static void parse_link_init(void)
 726 {
 727   char *name_link;
 728   double bw_initial;
 729   tmgr_trace_t bw_trace;
 730   double lat_initial;
 731   tmgr_trace_t lat_trace;
 732   e_surf_link_state_t state_initial_link = SURF_LINK_ON;
 733   e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
 734   tmgr_trace_t state_trace;
 735
 736   name_link = xbt_strdup(A_surfxml_link_id);
 737   surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
 738   surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
 739   surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
 740   surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
 741
 742   xbt_assert0((A_surfxml_link_state == A_surfxml_link_state_ON)
 743               || (A_surfxml_link_state ==
 744                   A_surfxml_link_state_OFF), "Invalid state");
 745   if (A_surfxml_link_state == A_surfxml_link_state_ON)
 746     state_initial_link = SURF_LINK_ON;
 747   else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
 748     state_initial_link = SURF_LINK_OFF;
 749
 750   if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
 751     policy_initial_link = SURF_LINK_SHARED;
 752   else if (A_surfxml_link_sharing_policy ==
 753            A_surfxml_link_sharing_policy_FATPIPE)
 754     policy_initial_link = SURF_LINK_FATPIPE;
 755
 756   surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
 757
 758   current_property_set = xbt_dict_new();
 759   link_new(name_link, bw_initial, bw_trace, lat_initial, lat_trace,
 760            state_initial_link, state_trace, policy_initial_link,
 761            current_property_set);
 762 }
 763
 764 static void add_traces(void)
 765 {
 766   xbt_dict_cursor_t cursor = NULL;
 767   char *trace_name, *elm;
 768
 769   if (!trace_connect_list_host_avail)
 770     return;
 771
 772   /* Connect traces relative to cpu */
 773   xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 774     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 775     cpu_L07_t host = surf_model_resource_by_name(surf_workstation_model, elm);
 776
 777     xbt_assert1(host, "Host %s undefined", elm);
 778     xbt_assert1(trace, "Trace %s undefined", trace_name);
 779
 780     host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 781   }
 782
 783   xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 784     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 785     cpu_L07_t host = surf_model_resource_by_name(surf_workstation_model, elm);
 786
 787     xbt_assert1(host, "Host %s undefined", elm);
 788     xbt_assert1(trace, "Trace %s undefined", trace_name);
 789
 790     host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 791   }
 792
 793   /* Connect traces relative to network */
 794   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 795     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 796     link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 797
 798     xbt_assert1(link, "Link %s undefined", elm);
 799     xbt_assert1(trace, "Trace %s undefined", trace_name);
 800
 801     link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 802   }
 803
 804   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 805     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 806     link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 807
 808     xbt_assert1(link, "Link %s undefined", elm);
 809     xbt_assert1(trace, "Trace %s undefined", trace_name);
 810
 811     link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 812   }
 813
 814   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 815     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 816     link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 817
 818     xbt_assert1(link, "Link %s undefined", elm);
 819     xbt_assert1(trace, "Trace %s undefined", trace_name);
 820
 821     link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 822   }
 823 }
 824
 825 static void define_callbacks(const char *file)
 826 {
 827   /* Adding callback functions */
 828   surf_parse_reset_parser();
 829   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_cpu_init);
 830   surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
 831   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
 832 }
 833
 834
 835 /**************************************/
 836 /********* Module  creation ***********/
 837 /**************************************/
 838
 839 static void model_init_internal(void)
 840 {
 841   surf_workstation_model = surf_model_init();
 842
 843   surf_workstation_model->action_unref = action_unref;
 844   surf_workstation_model->action_cancel = action_cancel;
 845   surf_workstation_model->action_state_set = surf_action_state_set;
 846   surf_workstation_model->suspend = action_suspend;
 847   surf_workstation_model->resume = action_resume;
 848   surf_workstation_model->is_suspended = action_is_suspended;
 849   surf_workstation_model->set_max_duration = action_set_max_duration;
 850   surf_workstation_model->set_priority = action_set_priority;
 851   surf_workstation_model->name = "Workstation ptask_L07";
 852
 853   surf_workstation_model->model_private->resource_used = resource_used;
 854   surf_workstation_model->model_private->share_resources = share_resources;
 855   surf_workstation_model->model_private->update_actions_state =
 856     update_actions_state;
 857   surf_workstation_model->model_private->update_resource_state =
 858     update_resource_state;
 859   surf_workstation_model->model_private->finalize = finalize;
 860
 861   surf_workstation_model->extension.workstation.execute = execute;
 862   surf_workstation_model->extension.workstation.sleep = action_sleep;
 863   surf_workstation_model->extension.workstation.get_state =
 864     resource_get_state;
 865   surf_workstation_model->extension.workstation.get_speed = get_speed;
 866   surf_workstation_model->extension.workstation.get_available_speed =
 867     get_available_speed;
 868   surf_workstation_model->extension.workstation.communicate = communicate;
 869   surf_workstation_model->extension.workstation.get_route = get_route;
 870   surf_workstation_model->extension.workstation.execute_parallel_task =
 871     execute_parallel_task;
 872   surf_workstation_model->extension.workstation.get_link_bandwidth =
 873     get_link_bandwidth;
 874   surf_workstation_model->extension.workstation.get_link_latency =
 875     get_link_latency;
 876   surf_workstation_model->extension.workstation.link_shared = link_shared;
 877
 878   surf_workstation_model->get_properties = get_properties;
 879
 880   link_set = xbt_dict_new();
 881
 882   if (!ptask_maxmin_system)
 883     ptask_maxmin_system = lmm_system_new();
 884
 885   routing_model_full_create(sizeof(link_L07_t),
 886         link_new(xbt_strdup("__MSG_loopback__"),
 887             498000000, NULL, 0.000015, NULL,
 888             SURF_LINK_ON, NULL, SURF_LINK_FATPIPE, NULL));
 889
 890 }
 891
 892 /**************************************/
 893 /*************** Generic **************/
 894 /**************************************/
 895 void surf_workstation_model_init_ptask_L07(const char *filename)
 896 {
 897   xbt_assert0(!surf_cpu_model, "CPU model type already defined");
 898   xbt_assert0(!surf_network_model, "network model type already defined");
 899   define_callbacks(filename);
 900   model_init_internal();
 901
 902   update_model_description(surf_workstation_model_description,
 903                            "ptask_L07", surf_workstation_model);
 904   xbt_dynar_push(model_list, &surf_workstation_model);
 905 }