src/surf/workstation_ptask_L07.c

   1 /* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include "xbt/ex.h"
   8 #include "xbt/str.h"
   9 #include "xbt/dict.h"
  10 #include "surf_private.h"
  11 #include "surf/surf_resource.h"
  12 //#include "surf/surf_resource_lmm.h"
  13
  14 typedef enum {
  15   SURF_WORKSTATION_RESOURCE_CPU,
  16   SURF_WORKSTATION_RESOURCE_LINK
  17 } e_surf_workstation_model_type_t;
  18
  19 /**************************************/
  20 /********* cpu object *****************/
  21 /**************************************/
  22 typedef struct cpu_L07 {
  23   s_surf_resource_t generic_resource;   /* Do not move this field: must match surf_resource_t */
  24   e_surf_workstation_model_type_t type; /* Do not move this field: must match link_L07_t */
  25   lmm_constraint_t constraint;  /* Do not move this field: must match link_L07_t */
  26   double power_scale;
  27   double power_current;
  28   tmgr_trace_event_t power_event;
  29   tmgr_trace_event_t state_event;
  30   e_surf_resource_state_t state_current;
  31   sg_routing_edge_t info;
  32 } s_cpu_L07_t, *cpu_L07_t;
  33
  34 /**************************************/
  35 /*********** network object ***********/
  36 /**************************************/
  37
  38 typedef struct link_L07 {
  39   s_surf_resource_t generic_resource;   /* Do not move this field: must match surf_resource_t */
  40   e_surf_workstation_model_type_t type; /* Do not move this field: must match cpu_L07_t */
  41   lmm_constraint_t constraint;  /* Do not move this field: must match cpu_L07_t */
  42   double lat_current;
  43   tmgr_trace_event_t lat_event;
  44   double bw_current;
  45   tmgr_trace_event_t bw_event;
  46   e_surf_resource_state_t state_current;
  47   tmgr_trace_event_t state_event;
  48 } s_link_L07_t, *link_L07_t;
  49
  50 /**************************************/
  51 /*************** actions **************/
  52 /**************************************/
  53 typedef struct surf_action_workstation_L07 {
  54   s_surf_action_t generic_action;
  55   lmm_variable_t variable;
  56   int workstation_nb;
  57   cpu_L07_t *workstation_list;
  58   double *computation_amount;
  59   double *communication_amount;
  60   double latency;
  61   double rate;
  62   int suspended;
  63 } s_surf_action_workstation_L07_t, *surf_action_workstation_L07_t;
  64
  65
  66 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
  67
  68 static int ptask_host_count = 0;
  69 static xbt_dict_t ptask_parallel_task_link_set = NULL;
  70 lmm_system_t ptask_maxmin_system = NULL;
  71
  72 static surf_action_t die_impossible_communicate (sg_routing_edge_t src,
  73                                                  sg_routing_edge_t dst,
  74                                                  double size, double rate)
  75 {
  76   DIE_IMPOSSIBLE;
  77   return NULL;
  78 }
  79
  80 static xbt_dynar_t die_impossible_get_route(void *src, void *dst)
  81 {
  82   DIE_IMPOSSIBLE;
  83   return NULL;
  84 }
  85
  86 static void ptask_update_action_bound(surf_action_workstation_L07_t action)
  87 {
  88   int workstation_nb = action->workstation_nb;
  89   double lat_current = 0.0;
  90   double lat_bound = -1.0;
  91   int i, j;
  92
  93   for (i = 0; i < workstation_nb; i++) {
  94     for (j = 0; j < workstation_nb; j++) {
  95       xbt_dynar_t route=NULL;
  96
  97       if (action->communication_amount[i * workstation_nb + j] > 0) {
  98         double lat = 0.0;
  99         routing_get_route_and_latency(((cpu_L07_t)surf_workstation_resource_priv(action->workstation_list[i]))->info,
 100             ((cpu_L07_t)surf_workstation_resource_priv(action->workstation_list[j]))->info,
 101             &route, &lat);
 102         lat_current =
 103             MAX(lat_current,
 104                 lat * action->communication_amount[i * workstation_nb + j]);
 105       }
 106     }
 107   }
 108   lat_bound = sg_tcp_gamma / (2.0 * lat_current);
 109   XBT_DEBUG("action (%p) : lat_bound = %g", action, lat_bound);
 110   if ((action->latency == 0.0) && (action->suspended == 0)) {
 111     if (action->rate < 0)
 112       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 113                                 lat_bound);
 114     else
 115       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 116                                 min(action->rate, lat_bound));
 117   }
 118 }
 119
 120 /**************************************/
 121 /******* Resource Public     **********/
 122 /**************************************/
 123
 124 static int ptask_action_unref(surf_action_t action)
 125 {
 126   action->refcount--;
 127
 128   if (!action->refcount) {
 129     xbt_swag_remove(action, action->state_set);
 130     if (((surf_action_workstation_L07_t) action)->variable)
 131       lmm_variable_free(ptask_maxmin_system,
 132                         ((surf_action_workstation_L07_t)
 133                          action)->variable);
 134     free(((surf_action_workstation_L07_t) action)->workstation_list);
 135     free(((surf_action_workstation_L07_t) action)->communication_amount);
 136     free(((surf_action_workstation_L07_t) action)->computation_amount);
 137 #ifdef HAVE_TRACING
 138     xbt_free(action->category);
 139 #endif
 140     surf_action_free(&action);
 141     return 1;
 142   }
 143   return 0;
 144 }
 145
 146 static void ptask_action_cancel(surf_action_t action)
 147 {
 148   surf_action_state_set(action, SURF_ACTION_FAILED);
 149   return;
 150 }
 151
 152 /* action_change_state is inherited from the surf module */
 153 /* action_set_data is inherited from the surf module */
 154
 155 static void ptask_action_suspend(surf_action_t action)
 156 {
 157   XBT_IN("(%p))", action);
 158   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 159     ((surf_action_workstation_L07_t) action)->suspended = 1;
 160     lmm_update_variable_weight(ptask_maxmin_system,
 161                                ((surf_action_workstation_L07_t)
 162                                 action)->variable, 0.0);
 163   }
 164   XBT_OUT();
 165 }
 166
 167 static void ptask_action_resume(surf_action_t action)
 168 {
 169   surf_action_workstation_L07_t act =
 170       (surf_action_workstation_L07_t) action;
 171
 172   XBT_IN("(%p)", act);
 173   if (act->suspended != 2) {
 174     lmm_update_variable_weight(ptask_maxmin_system, act->variable, 1.0);
 175     act->suspended = 0;
 176   }
 177   XBT_OUT();
 178 }
 179
 180 static int ptask_action_is_suspended(surf_action_t action)
 181 {
 182   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 183 }
 184
 185 static void ptask_action_set_max_duration(surf_action_t action,
 186                                           double duration)
 187 {                               /* FIXME: should inherit */
 188   XBT_IN("(%p,%g)", action, duration);
 189   action->max_duration = duration;
 190   XBT_OUT();
 191 }
 192
 193
 194 static void ptask_action_set_priority(surf_action_t action,
 195                                       double priority)
 196 {                               /* FIXME: should inherit */
 197   XBT_IN("(%p,%g)", action, priority);
 198   action->priority = priority;
 199   XBT_OUT();
 200 }
 201
 202 static double ptask_action_get_remains(surf_action_t action)
 203 {
 204   XBT_IN("(%p)", action);
 205   XBT_OUT();
 206   return action->remains;
 207 }
 208
 209 /**************************************/
 210 /******* Resource Private    **********/
 211 /**************************************/
 212
 213 static int ptask_resource_used(void *resource_id)
 214 {
 215   /* We can freely cast as a link_L07_t because it has
 216      the same prefix as cpu_L07_t */
 217   return lmm_constraint_used(ptask_maxmin_system,
 218                              ((link_L07_t) resource_id)->constraint);
 219
 220 }
 221
 222 static double ptask_share_resources(double now)
 223 {
 224   s_surf_action_workstation_L07_t s_action;
 225   surf_action_workstation_L07_t action = NULL;
 226
 227   xbt_swag_t running_actions =
 228       surf_workstation_model->states.running_action_set;
 229   double min = generic_maxmin_share_resources(running_actions,
 230                                               xbt_swag_offset(s_action,
 231                                                               variable),
 232                                               ptask_maxmin_system,
 233                                               bottleneck_solve);
 234
 235   xbt_swag_foreach(action, running_actions) {
 236     if (action->latency > 0) {
 237       if (min < 0) {
 238         min = action->latency;
 239         XBT_DEBUG("Updating min (value) with %p (start %f): %f", action,
 240                action->generic_action.start, min);
 241       } else if (action->latency < min) {
 242         min = action->latency;
 243         XBT_DEBUG("Updating min (latency) with %p (start %f): %f", action,
 244                action->generic_action.start, min);
 245       }
 246     }
 247   }
 248
 249   XBT_DEBUG("min value : %f", min);
 250
 251   return min;
 252 }
 253
 254 static void ptask_update_actions_state(double now, double delta)
 255 {
 256   double deltap = 0.0;
 257   surf_action_workstation_L07_t action = NULL;
 258   surf_action_workstation_L07_t next_action = NULL;
 259   xbt_swag_t running_actions =
 260       surf_workstation_model->states.running_action_set;
 261
 262   xbt_swag_foreach_safe(action, next_action, running_actions) {
 263     deltap = delta;
 264     if (action->latency > 0) {
 265       if (action->latency > deltap) {
 266         double_update(&(action->latency), deltap);
 267         deltap = 0.0;
 268       } else {
 269         double_update(&(deltap), action->latency);
 270         action->latency = 0.0;
 271       }
 272       if ((action->latency == 0.0) && (action->suspended == 0)) {
 273         ptask_update_action_bound(action);
 274         lmm_update_variable_weight(ptask_maxmin_system, action->variable,
 275                                    1.0);
 276       }
 277     }
 278     XBT_DEBUG("Action (%p) : remains (%g) updated by %g.",
 279            action, action->generic_action.remains,
 280            lmm_variable_getvalue(action->variable) * delta);
 281     double_update(&(action->generic_action.remains),
 282                   lmm_variable_getvalue(action->variable) * delta);
 283
 284     if (action->generic_action.max_duration != NO_MAX_DURATION)
 285       double_update(&(action->generic_action.max_duration), delta);
 286
 287     XBT_DEBUG("Action (%p) : remains (%g).",
 288            action, action->generic_action.remains);
 289     if ((action->generic_action.remains <= 0) &&
 290         (lmm_get_variable_weight(action->variable) > 0)) {
 291       action->generic_action.finish = surf_get_clock();
 292       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 293     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 294                (action->generic_action.max_duration <= 0)) {
 295       action->generic_action.finish = surf_get_clock();
 296       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 297     } else {
 298       /* Need to check that none of the model has failed */
 299       lmm_constraint_t cnst = NULL;
 300       int i = 0;
 301       void *constraint_id = NULL;
 302
 303       while ((cnst =
 304               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 305                                     i++))) {
 306         constraint_id = lmm_constraint_id(cnst);
 307
 308 /*   if(((link_L07_t)constraint_id)->type== */
 309 /*      SURF_WORKSTATION_RESOURCE_LINK) { */
 310 /*     XBT_DEBUG("Checking for link %s (%p)", */
 311 /*      ((link_L07_t)constraint_id)->name, */
 312 /*      ((link_L07_t)constraint_id)); */
 313 /*   } */
 314 /*   if(((cpu_L07_t)constraint_id)->type== */
 315 /*      SURF_WORKSTATION_RESOURCE_CPU) { */
 316 /*     XBT_DEBUG("Checking for cpu %s (%p) : %s", */
 317 /*      ((cpu_L07_t)constraint_id)->name, */
 318 /*      ((cpu_L07_t)constraint_id), */
 319 /*      ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 320 /*   } */
 321
 322         if (((((link_L07_t) constraint_id)->type ==
 323               SURF_WORKSTATION_RESOURCE_LINK) &&
 324              (((link_L07_t) constraint_id)->state_current ==
 325               SURF_RESOURCE_OFF)) ||
 326             ((((cpu_L07_t) constraint_id)->type ==
 327               SURF_WORKSTATION_RESOURCE_CPU) &&
 328              (((cpu_L07_t) constraint_id)->state_current ==
 329               SURF_RESOURCE_OFF))) {
 330           XBT_DEBUG("Action (%p) Failed!!", action);
 331           action->generic_action.finish = surf_get_clock();
 332           surf_action_state_set((surf_action_t) action,
 333                                 SURF_ACTION_FAILED);
 334           break;
 335         }
 336       }
 337     }
 338   }
 339   return;
 340 }
 341
 342 static void ptask_update_resource_state(void *id,
 343                                         tmgr_trace_event_t event_type,
 344                                         double value, double date)
 345 {
 346   cpu_L07_t cpu = id;
 347   link_L07_t nw_link = id;
 348
 349   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 350     XBT_DEBUG("Updating link %s (%p) with value=%f for date=%g",
 351       surf_resource_name(nw_link), nw_link, value, date);
 352     if (event_type == nw_link->bw_event) {
 353       nw_link->bw_current = value;
 354       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 355                                   nw_link->bw_current);
 356       if (tmgr_trace_event_free(event_type))
 357         nw_link->bw_event = NULL;
 358     } else if (event_type == nw_link->lat_event) {
 359       lmm_variable_t var = NULL;
 360       surf_action_workstation_L07_t action = NULL;
 361       lmm_element_t elem = NULL;
 362
 363       nw_link->lat_current = value;
 364       while ((var = lmm_get_var_from_cnst
 365               (ptask_maxmin_system, nw_link->constraint, &elem))) {
 366
 367
 368         action = lmm_variable_id(var);
 369         ptask_update_action_bound(action);
 370       }
 371       if (tmgr_trace_event_free(event_type))
 372         nw_link->lat_event = NULL;
 373
 374     } else if (event_type == nw_link->state_event) {
 375       if (value > 0)
 376         nw_link->state_current = SURF_RESOURCE_ON;
 377       else
 378         nw_link->state_current = SURF_RESOURCE_OFF;
 379       if (tmgr_trace_event_free(event_type))
 380         nw_link->state_event = NULL;
 381     } else {
 382       XBT_CRITICAL("Unknown event ! \n");
 383       xbt_abort();
 384     }
 385     return;
 386   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 387     XBT_DEBUG("Updating cpu %s (%p) with value %g", surf_resource_name(cpu),
 388            cpu, value);
 389     if (event_type == cpu->power_event) {
 390       cpu->power_current = value;
 391       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 392                                   cpu->power_current * cpu->power_scale);
 393       if (tmgr_trace_event_free(event_type))
 394         cpu->power_event = NULL;
 395     } else if (event_type == cpu->state_event) {
 396       if (value > 0)
 397         cpu->state_current = SURF_RESOURCE_ON;
 398       else
 399         cpu->state_current = SURF_RESOURCE_OFF;
 400       if (tmgr_trace_event_free(event_type))
 401         cpu->state_event = NULL;
 402     } else {
 403       XBT_CRITICAL("Unknown event ! \n");
 404       xbt_abort();
 405     }
 406     return;
 407   } else {
 408     DIE_IMPOSSIBLE;
 409   }
 410   return;
 411 }
 412
 413 static void ptask_finalize(void)
 414 {
 415   xbt_dict_free(&ptask_parallel_task_link_set);
 416
 417   surf_model_exit(surf_workstation_model);
 418   surf_workstation_model = NULL;
 419   surf_model_exit(surf_network_model);
 420   surf_network_model = NULL;
 421
 422   ptask_host_count = 0;
 423
 424   if (ptask_maxmin_system) {
 425     lmm_system_free(ptask_maxmin_system);
 426     ptask_maxmin_system = NULL;
 427   }
 428 }
 429
 430 /**************************************/
 431 /******* Resource Private    **********/
 432 /**************************************/
 433
 434 static e_surf_resource_state_t ptask_resource_get_state(void *cpu)
 435 {
 436   return ((cpu_L07_t)surf_workstation_resource_priv(cpu))->state_current;
 437 }
 438
 439 static double ptask_get_speed(void *cpu, double load)
 440 {
 441   return load * ((cpu_L07_t)surf_workstation_resource_priv(cpu))->power_scale;
 442 }
 443
 444 static double ptask_get_available_speed(void *cpu)
 445 {
 446   return ((cpu_L07_t)surf_workstation_resource_priv(cpu))->power_current;
 447 }
 448
 449 static surf_action_t ptask_execute_parallel_task(int workstation_nb,
 450                                                  void **workstation_list,
 451                                                  double
 452                                                  *computation_amount, double
 453                                                  *communication_amount,
 454                                                  double rate)
 455 {
 456   surf_action_workstation_L07_t action = NULL;
 457   int i, j;
 458   unsigned int cpt;
 459   int nb_link = 0;
 460   int nb_host = 0;
 461   double latency = 0.0;
 462
 463   if (ptask_parallel_task_link_set == NULL)
 464     ptask_parallel_task_link_set = xbt_dict_new_homogeneous(NULL);
 465
 466   xbt_dict_reset(ptask_parallel_task_link_set);
 467
 468   /* Compute the number of affected resources... */
 469   for (i = 0; i < workstation_nb; i++) {
 470     for (j = 0; j < workstation_nb; j++) {
 471       xbt_dynar_t route=NULL;
 472
 473       if (communication_amount[i * workstation_nb + j] > 0) {
 474         double lat=0.0;
 475         unsigned int cpt;
 476         link_L07_t link;
 477
 478         routing_get_route_and_latency(
 479             ((cpu_L07_t)surf_workstation_resource_priv(workstation_list[i]))->info,
 480             ((cpu_L07_t)surf_workstation_resource_priv(workstation_list[j]))->info,
 481             &route,&lat);
 482         latency = MAX(latency, lat);
 483
 484         xbt_dynar_foreach(route, cpt, link) {
 485            xbt_dict_set(ptask_parallel_task_link_set,link->generic_resource.name,link,NULL);
 486         }
 487       }
 488     }
 489   }
 490
 491   nb_link = xbt_dict_length(ptask_parallel_task_link_set);
 492   xbt_dict_reset(ptask_parallel_task_link_set);
 493
 494   for (i = 0; i < workstation_nb; i++)
 495     if (computation_amount[i] > 0)
 496       nb_host++;
 497
 498   action =
 499       surf_action_new(sizeof(s_surf_action_workstation_L07_t), 1,
 500                       surf_workstation_model, 0);
 501   XBT_DEBUG("Creating a parallel task (%p) with %d cpus and %d links.",
 502          action, workstation_nb, nb_link);
 503   action->suspended = 0;        /* Should be useless because of the
 504                                    calloc but it seems to help valgrind... */
 505   action->workstation_nb = workstation_nb;
 506   action->workstation_list = (cpu_L07_t *) workstation_list;
 507   action->computation_amount = computation_amount;
 508   action->communication_amount = communication_amount;
 509   action->latency = latency;
 510   action->rate = rate;
 511
 512   action->variable =
 513       lmm_variable_new(ptask_maxmin_system, action, 1.0,
 514                        (action->rate > 0) ? action->rate : -1.0,
 515                        workstation_nb + nb_link);
 516
 517   if (action->latency > 0)
 518     lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 519
 520   for (i = 0; i < workstation_nb; i++)
 521     lmm_expand(ptask_maxmin_system,
 522                ((cpu_L07_t)surf_workstation_resource_priv(workstation_list[i]))->constraint,
 523                action->variable, computation_amount[i]);
 524
 525   for (i = 0; i < workstation_nb; i++) {
 526     for (j = 0; j < workstation_nb; j++) {
 527       link_L07_t link;
 528       xbt_dynar_t route=NULL;
 529       if (communication_amount[i * workstation_nb + j] == 0.0)
 530         continue;
 531
 532       routing_get_route_and_latency(
 533           ((cpu_L07_t)surf_workstation_resource_priv(workstation_list[i]))->info,
 534           ((cpu_L07_t)surf_workstation_resource_priv(workstation_list[j]))->info,
 535           &route,NULL);
 536
 537       xbt_dynar_foreach(route, cpt, link) {
 538         lmm_expand_add(ptask_maxmin_system, link->constraint,
 539                        action->variable,
 540                        communication_amount[i * workstation_nb + j]);
 541       }
 542     }
 543   }
 544
 545   if (nb_link + nb_host == 0) {
 546     action->generic_action.cost = 1.0;
 547     action->generic_action.remains = 0.0;
 548   }
 549
 550   return (surf_action_t) action;
 551 }
 552
 553 static surf_action_t ptask_execute(void *cpu, double size)
 554 {
 555   void **workstation_list = xbt_new0(void *, 1);
 556   double *computation_amount = xbt_new0(double, 1);
 557   double *communication_amount = xbt_new0(double, 1);
 558
 559   workstation_list[0] = cpu;
 560   communication_amount[0] = 0.0;
 561   computation_amount[0] = size;
 562
 563   return ptask_execute_parallel_task(1, workstation_list,
 564                                      computation_amount,
 565                                      communication_amount, -1);
 566 }
 567
 568 static surf_action_t ptask_communicate(void *src, void *dst, double size,
 569                                        double rate)
 570 {
 571   void **workstation_list = xbt_new0(void *, 2);
 572   double *computation_amount = xbt_new0(double, 2);
 573   double *communication_amount = xbt_new0(double, 4);
 574   surf_action_t res = NULL;
 575
 576   workstation_list[0] = src;
 577   workstation_list[1] = dst;
 578   communication_amount[1] = size;
 579
 580   res = ptask_execute_parallel_task(2, workstation_list,
 581                                     computation_amount,
 582                                     communication_amount, rate);
 583
 584   return res;
 585 }
 586
 587 static surf_action_t ptask_action_sleep(void *cpu, double duration)
 588 {
 589   surf_action_workstation_L07_t action = NULL;
 590
 591   XBT_IN("(%s,%g)", surf_resource_name(cpu), duration);
 592
 593   action = (surf_action_workstation_L07_t) ptask_execute(cpu, 1.0);
 594   action->generic_action.max_duration = duration;
 595   action->suspended = 2;
 596   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 597
 598   XBT_OUT();
 599   return (surf_action_t) action;
 600 }
 601
 602 static xbt_dynar_t ptask_get_route(void *src, void *dst) // FIXME: kill that callback kind?
 603 {
 604   xbt_dynar_t route=NULL;
 605   routing_get_route_and_latency(
 606       ((cpu_L07_t)surf_workstation_resource_priv(src))->info, ((cpu_L07_t)surf_workstation_resource_priv(dst))->info,
 607       &route,NULL);
 608   return route;
 609 }
 610
 611 static double ptask_get_link_bandwidth(const void *link)
 612 {
 613   return ((link_L07_t) link)->bw_current;
 614 }
 615
 616 static double ptask_get_link_latency(const void *link)
 617 {
 618   return ((link_L07_t) link)->lat_current;
 619 }
 620
 621 static int ptask_link_shared(const void *link)
 622 {
 623   return lmm_constraint_is_shared(((link_L07_t) link)->constraint);
 624 }
 625
 626 /**************************************/
 627 /*** Resource Creation & Destruction **/
 628 /**************************************/
 629
 630 static void* ptask_cpu_create_resource(const char *name, double power_scale,
 631                                double power_initial,
 632                                tmgr_trace_t power_trace,
 633                                e_surf_resource_state_t state_initial,
 634                                tmgr_trace_t state_trace,
 635                                xbt_dict_t cpu_properties)
 636 {
 637   cpu_L07_t cpu = NULL;
 638   xbt_assert(!surf_workstation_resource_priv(surf_workstation_resource_by_name(name)),
 639               "Host '%s' declared several times in the platform file.",
 640               name);
 641
 642   cpu = (cpu_L07_t) surf_resource_new(sizeof(s_cpu_L07_t),
 643           surf_workstation_model, name,cpu_properties);
 644
 645   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 646   cpu->info = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
 647   if(!(cpu->info)) xbt_die("Don't find ROUTING_HOST_LEVEL for '%s'",name);
 648
 649   cpu->power_scale = power_scale;
 650   xbt_assert(cpu->power_scale > 0, "Power has to be >0");
 651
 652   cpu->power_current = power_initial;
 653   if (power_trace)
 654     cpu->power_event =
 655         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 656
 657   cpu->state_current = state_initial;
 658   if (state_trace)
 659     cpu->state_event =
 660         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 661
 662   cpu->constraint =
 663       lmm_constraint_new(ptask_maxmin_system, cpu,
 664                          cpu->power_current * cpu->power_scale);
 665
 666   xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, cpu);
 667
 668   return xbt_lib_get_elm_or_null(host_lib, name);
 669 }
 670
 671 static void ptask_parse_cpu_init(sg_platf_host_cbarg_t host)
 672 {
 673   ptask_cpu_create_resource(
 674       host->id,
 675       host->power_peak,
 676       host->power_scale,
 677       host->power_trace,
 678       host->initial_state,
 679       host->state_trace,
 680       host->properties);
 681 }
 682
 683 static void* ptask_link_create_resource(const char *name,
 684                                  double bw_initial,
 685                                  tmgr_trace_t bw_trace,
 686                                  double lat_initial,
 687                                  tmgr_trace_t lat_trace,
 688                                  e_surf_resource_state_t
 689                                  state_initial,
 690                                  tmgr_trace_t state_trace,
 691                                  e_surf_link_sharing_policy_t
 692                                  policy, xbt_dict_t properties)
 693 {
 694   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
 695   xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL),
 696               "Link '%s' declared several times in the platform file.",
 697               name);
 698
 699   nw_link->generic_resource.model = surf_workstation_model;
 700   nw_link->generic_resource.properties = properties;
 701   nw_link->generic_resource.name = xbt_strdup(name);
 702   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 703   nw_link->bw_current = bw_initial;
 704   if (bw_trace)
 705     nw_link->bw_event =
 706         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 707   nw_link->state_current = state_initial;
 708   nw_link->lat_current = lat_initial;
 709   if (lat_trace)
 710     nw_link->lat_event =
 711         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 712   if (state_trace)
 713     nw_link->state_event =
 714         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 715
 716   nw_link->constraint =
 717       lmm_constraint_new(ptask_maxmin_system, nw_link,
 718                          nw_link->bw_current);
 719
 720   if (policy == SURF_LINK_FATPIPE)
 721     lmm_constraint_shared(nw_link->constraint);
 722
 723   xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, nw_link);
 724   return nw_link;
 725 }
 726
 727 static void ptask_parse_link_init(sg_platf_link_cbarg_t link)
 728 {
 729   if (link->policy == SURF_LINK_FULLDUPLEX) {
 730     char *link_id;
 731     link_id = bprintf("%s_UP", link->id);
 732     ptask_link_create_resource(link_id,
 733                                link->bandwidth,
 734                                link->bandwidth_trace,
 735                                link->latency,
 736                                link->latency_trace,
 737                                link->state,
 738                                link->state_trace,
 739                                link->policy,
 740                                link->properties);
 741     xbt_free(link_id);
 742     link_id = bprintf("%s_DOWN", link->id);
 743     ptask_link_create_resource(link_id,
 744                                link->bandwidth,
 745                                link->bandwidth_trace,
 746                                link->latency,
 747                                link->latency_trace,
 748                                link->state,
 749                                link->state_trace,
 750                                link->policy,
 751                                NULL); /* FIXME: We need to deep copy the
 752                                        * properties or we won't be able to free
 753                                        * it */
 754     xbt_free(link_id);
 755   } else {
 756     ptask_link_create_resource(link->id,
 757                                link->bandwidth,
 758                                link->bandwidth_trace,
 759                                link->latency,
 760                                link->latency_trace,
 761                                link->state,
 762                                link->state_trace,
 763                                link->policy,
 764                                link->properties);
 765   }
 766
 767   current_property_set = NULL;
 768 }
 769
 770 static void ptask_add_traces(void)
 771 {
 772   xbt_dict_cursor_t cursor = NULL;
 773   char *trace_name, *elm;
 774
 775   if (!trace_connect_list_host_avail)
 776     return;
 777
 778   /* Connect traces relative to cpu */
 779   xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 780     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 781     cpu_L07_t host = surf_workstation_resource_priv(surf_workstation_resource_by_name(elm));
 782
 783     xbt_assert(host, "Host %s undefined", elm);
 784     xbt_assert(trace, "Trace %s undefined", trace_name);
 785
 786     host->state_event =
 787         tmgr_history_add_trace(history, trace, 0.0, 0, host);
 788   }
 789
 790   xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 791     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 792     cpu_L07_t host = surf_workstation_resource_priv(surf_workstation_resource_by_name(elm));
 793
 794     xbt_assert(host, "Host %s undefined", elm);
 795     xbt_assert(trace, "Trace %s undefined", trace_name);
 796
 797     host->power_event =
 798         tmgr_history_add_trace(history, trace, 0.0, 0, host);
 799   }
 800
 801   /* Connect traces relative to network */
 802   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 803     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 804     link_L07_t link =
 805         xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
 806
 807     xbt_assert(link, "Link %s undefined", elm);
 808     xbt_assert(trace, "Trace %s undefined", trace_name);
 809
 810     link->state_event =
 811         tmgr_history_add_trace(history, trace, 0.0, 0, link);
 812   }
 813
 814   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 815     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 816     link_L07_t link =
 817         xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
 818
 819     xbt_assert(link, "Link %s undefined", elm);
 820     xbt_assert(trace, "Trace %s undefined", trace_name);
 821
 822     link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 823   }
 824
 825   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 826     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 827     link_L07_t link =
 828         xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
 829
 830     xbt_assert(link, "Link %s undefined", elm);
 831     xbt_assert(trace, "Trace %s undefined", trace_name);
 832
 833     link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 834   }
 835 }
 836
 837 static void ptask_define_callbacks()
 838 {
 839   sg_platf_host_add_cb(ptask_parse_cpu_init);
 840   sg_platf_link_add_cb(ptask_parse_link_init);
 841   sg_platf_postparse_add_cb(ptask_add_traces);
 842 }
 843
 844 /**************************************/
 845 /********* Module  creation ***********/
 846 /**************************************/
 847
 848 static void ptask_model_init_internal(void)
 849 {
 850   surf_workstation_model = surf_model_init();
 851
 852   surf_workstation_model->action_unref = ptask_action_unref;
 853   surf_workstation_model->action_cancel = ptask_action_cancel;
 854   surf_workstation_model->action_state_set = surf_action_state_set;
 855   surf_workstation_model->suspend = ptask_action_suspend;
 856   surf_workstation_model->resume = ptask_action_resume;
 857   surf_workstation_model->is_suspended = ptask_action_is_suspended;
 858   surf_workstation_model->set_max_duration = ptask_action_set_max_duration;
 859   surf_workstation_model->set_priority = ptask_action_set_priority;
 860   surf_workstation_model->get_remains = ptask_action_get_remains;
 861   surf_workstation_model->name = "Workstation ptask_L07";
 862
 863   surf_workstation_model->model_private->resource_used =
 864       ptask_resource_used;
 865   surf_workstation_model->model_private->share_resources =
 866       ptask_share_resources;
 867   surf_workstation_model->model_private->update_actions_state =
 868       ptask_update_actions_state;
 869   surf_workstation_model->model_private->update_resource_state =
 870       ptask_update_resource_state;
 871   surf_workstation_model->model_private->finalize = ptask_finalize;
 872
 873
 874   surf_workstation_model->extension.workstation.execute = ptask_execute;
 875   surf_workstation_model->extension.workstation.sleep = ptask_action_sleep;
 876   surf_workstation_model->extension.workstation.get_state =
 877       ptask_resource_get_state;
 878   surf_workstation_model->extension.workstation.get_speed =
 879       ptask_get_speed;
 880   surf_workstation_model->extension.workstation.get_available_speed =
 881       ptask_get_available_speed;
 882   surf_workstation_model->extension.workstation.communicate =
 883       ptask_communicate;
 884   surf_workstation_model->extension.workstation.get_route =
 885       ptask_get_route;
 886   surf_workstation_model->extension.workstation.execute_parallel_task =
 887       ptask_execute_parallel_task;
 888   surf_workstation_model->extension.workstation.get_link_bandwidth =
 889       ptask_get_link_bandwidth;
 890   surf_workstation_model->extension.workstation.get_link_latency =
 891       ptask_get_link_latency;
 892   surf_workstation_model->extension.workstation.link_shared =
 893       ptask_link_shared;
 894   surf_workstation_model->extension.workstation.get_properties =
 895       surf_resource_properties;
 896   surf_workstation_model->extension.workstation.add_traces =
 897       ptask_add_traces;
 898
 899   if (!ptask_maxmin_system)
 900     ptask_maxmin_system = lmm_system_new(1);
 901
 902   routing_model_create(ptask_link_create_resource("__loopback__",
 903                                                   498000000, NULL,
 904                                                   0.000015, NULL,
 905                                                   SURF_RESOURCE_ON, NULL,
 906                                                   SURF_LINK_FATPIPE, NULL));
 907
 908   surf_network_model = surf_model_init();
 909
 910   surf_network_model->extension.network.communicate = die_impossible_communicate;
 911   surf_network_model->extension.network.get_route = die_impossible_get_route;
 912   surf_network_model->extension.network.get_link_bandwidth = ptask_get_link_bandwidth;
 913   surf_network_model->extension.network.get_link_latency = ptask_get_link_latency;
 914   surf_network_model->extension.network.link_shared = ptask_link_shared;
 915   surf_network_model->extension.network.add_traces = NULL;
 916 }
 917
 918 /**************************************/
 919 /*************** Generic **************/
 920 /**************************************/
 921 void surf_workstation_model_init_ptask_L07(void)
 922 {
 923   XBT_INFO("surf_workstation_model_init_ptask_L07");
 924   xbt_assert(!surf_cpu_model, "CPU model type already defined");
 925   xbt_assert(!surf_network_model, "network model type already defined");
 926   ptask_define_callbacks();
 927   ptask_model_init_internal();
 928   xbt_dynar_push(model_list, &surf_workstation_model);
 929 }