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