src/surf/workstation_KCCFLN05.c

   1 /*      $Id$     */
   2
   3 /* Copyright (c) 2005 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/dict.h"
  10 #include "workstation_KCCFLN05_private.h"
  11
  12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
  13                                 "Logging specific to the SURF workstation module (KCCFLN05)");
  14
  15 static int nb_workstation = 0;
  16 static s_route_KCCFLN05_t *routing_table = NULL;
  17 #define ROUTE(i,j) routing_table[(i)+(j)*nb_workstation]
  18 static network_link_KCCFLN05_t loopback = NULL;
  19 static xbt_dict_t parallel_task_network_link_set = NULL;
  20 //added to work with GTNETS
  21 static xbt_dict_t router_set = NULL;
  22
  23 /*xbt_dict_t network_link_set = NULL;*/
  24
  25
  26 /* convenient function */
  27 static void __update_cpu_usage(cpu_KCCFLN05_t cpu)
  28 {
  29   int cpt;
  30   surf_action_workstation_KCCFLN05_t action = NULL;
  31   if ((!xbt_dynar_length(cpu->incomming_communications)) &&
  32       (!xbt_dynar_length(cpu->outgoing_communications))) {
  33     /* No communications */
  34     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  35                                 cpu->power_current * cpu->power_scale);
  36   } else if ((!xbt_dynar_length(cpu->incomming_communications))
  37              && (xbt_dynar_length(cpu->outgoing_communications))) {
  38     /* Emission */
  39     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  40                                 cpu->power_current * cpu->power_scale *
  41                                 cpu->interference_send);
  42     xbt_dynar_foreach(cpu->outgoing_communications, cpt, action)
  43       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  44                          cpu->power_current * cpu->power_scale *
  45                          ROUTE(action->src->id, action->dst->id).impact_on_src
  46                          );
  47   } else if ((xbt_dynar_length(cpu->incomming_communications)) &&
  48              (!xbt_dynar_length(cpu->outgoing_communications))) {
  49     /* Reception */
  50     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  51                                 cpu->power_current * cpu->power_scale *
  52                                 cpu->interference_recv);
  53     xbt_dynar_foreach(cpu->incomming_communications, cpt, action)
  54       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  55                          cpu->power_current * cpu->power_scale *
  56                          ROUTE(action->src->id, action->dst->id).impact_on_dst
  57                          );
  58   } else {
  59     /* Emission & Reception */
  60     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  61                                 cpu->power_current * cpu->power_scale *
  62                                 cpu->interference_send_recv);
  63     xbt_dynar_foreach(cpu->outgoing_communications, cpt, action)
  64       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  65                          cpu->power_current * cpu->power_scale *
  66                          ROUTE(action->src->id, action->dst->id).impact_on_src_with_other_recv
  67                          );
  68     xbt_dynar_foreach(cpu->incomming_communications, cpt, action)
  69       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  70                          cpu->power_current * cpu->power_scale *
  71                          ROUTE(action->src->id, action->dst->id).impact_on_dst_with_other_send
  72                          );
  73   }
  74 }
  75
  76 /**************************************/
  77 /******* Resource Public     **********/
  78 /**************************************/
  79
  80 static void *name_service(const char *name)
  81 {
  82   xbt_ex_t e;
  83   void *res=NULL;
  84
  85   TRY {
  86     res = xbt_dict_get_or_null(workstation_set, name);
  87   } CATCH(e) {
  88     if (e.category != not_found_error)
  89       RETHROW;
  90     WARN1("Host '%s' not found, verifing if it is a router", name);
  91     res = NULL;
  92     xbt_ex_free(e);
  93   }
  94
  95   return res;
  96 }
  97
  98 static const char *get_resource_name(void *resource_id)
  99 {
 100   /* We can freely cast as a cpu_KCCFLN05_t because it has the same
 101      prefix as network_link_KCCFLN05_t. However, only cpu_KCCFLN05_t
 102      will theoretically be given as an argument here. */
 103   return ((cpu_KCCFLN05_t) resource_id)->name;
 104 }
 105
 106 /* action_get_state is inherited from the surf module */
 107
 108 static void action_use(surf_action_t action)
 109 {
 110   action->using++;
 111   return;
 112 }
 113
 114 static int action_free(surf_action_t action)
 115 {
 116   int cpt;
 117   surf_action_t act = NULL;
 118   cpu_KCCFLN05_t src = ((surf_action_workstation_KCCFLN05_t) action)->src;
 119   cpu_KCCFLN05_t dst = ((surf_action_workstation_KCCFLN05_t) action)->dst;
 120
 121   action->using--;
 122   if (!action->using) {
 123     xbt_swag_remove(action, action->state_set);
 124     if (((surf_action_workstation_KCCFLN05_t) action)->variable)
 125       lmm_variable_free(maxmin_system,
 126                         ((surf_action_workstation_KCCFLN05_t) action)->
 127                         variable);
 128     if(src)
 129       xbt_dynar_foreach(src->outgoing_communications, cpt, act)
 130         if (act == action) {
 131           xbt_dynar_remove_at(src->outgoing_communications, cpt, &act);
 132           break;
 133         }
 134
 135     if(dst)
 136       xbt_dynar_foreach(dst->incomming_communications, cpt, act)
 137         if (act == action) {
 138           xbt_dynar_remove_at(dst->incomming_communications, cpt, &act);
 139           break;
 140         }
 141
 142     if(src && (!xbt_dynar_length(src->outgoing_communications)))
 143       __update_cpu_usage(src);
 144     if(dst && (!xbt_dynar_length(dst->incomming_communications)))
 145       __update_cpu_usage(dst);
 146
 147     free(action);
 148     return 1;
 149   }
 150   return 0;
 151 }
 152
 153 static void action_cancel(surf_action_t action)
 154 {
 155   surf_action_change_state(action, SURF_ACTION_FAILED);
 156   return;
 157 }
 158
 159 static void action_recycle(surf_action_t action)
 160 {
 161   DIE_IMPOSSIBLE;
 162   return;
 163 }
 164
 165 /* action_change_state is inherited from the surf module */
 166 /* action_set_data is inherited from the surf module */
 167
 168 static void action_suspend(surf_action_t action)
 169 {
 170   XBT_IN1("(%p))",action);
 171   if(((surf_action_workstation_KCCFLN05_t) action)->suspended != 2) {
 172     ((surf_action_workstation_KCCFLN05_t) action)->suspended = 1;
 173     lmm_update_variable_weight(maxmin_system,
 174                                ((surf_action_workstation_KCCFLN05_t)
 175                                 action)->variable, 0.0);
 176   }
 177   XBT_OUT;
 178 }
 179
 180 static void action_resume(surf_action_t action)
 181 {
 182   XBT_IN1("(%p)",action);
 183   if(((surf_action_workstation_KCCFLN05_t) action)->suspended !=2) {
 184     if(((surf_action_workstation_KCCFLN05_t)action)->lat_current==0.0)
 185       lmm_update_variable_weight(maxmin_system,
 186                                  ((surf_action_workstation_KCCFLN05_t)
 187                                   action)->variable, 1.0);
 188     else
 189       lmm_update_variable_weight(maxmin_system,
 190                                  ((surf_action_workstation_KCCFLN05_t) action)->variable,
 191                                  ((surf_action_workstation_KCCFLN05_t) action)->lat_current);
 192
 193     ((surf_action_workstation_KCCFLN05_t) action)->suspended = 0;
 194   }
 195   XBT_OUT;
 196 }
 197
 198 static int action_is_suspended(surf_action_t action)
 199 {
 200   return (((surf_action_workstation_KCCFLN05_t) action)->suspended==1);
 201 }
 202
 203 static void action_set_max_duration(surf_action_t action, double duration)
 204 {                               /* FIXME: should inherit */
 205   XBT_IN2("(%p,%g)",action,duration);
 206   action->max_duration = duration;
 207   XBT_OUT;
 208 }
 209
 210
 211 static void action_set_priority(surf_action_t action, double priority)
 212 {                               /* FIXME: should inherit */
 213   XBT_IN2("(%p,%g)",action,priority);
 214   action->priority = priority;
 215   XBT_OUT;
 216 }
 217
 218 /**************************************/
 219 /******* Resource Private    **********/
 220 /**************************************/
 221
 222 static int resource_used(void *resource_id)
 223 {
 224   /* We can freely cast as a network_link_KCCFLN05_t because it has
 225      the same prefix as cpu_KCCFLN05_t */
 226   if(((cpu_KCCFLN05_t) resource_id)->type == SURF_WORKSTATION_RESOURCE_CPU)
 227     return (lmm_constraint_used(maxmin_system,
 228                                ((cpu_KCCFLN05_t) resource_id)->
 229                                constraint) ||
 230             ((((cpu_KCCFLN05_t) resource_id)->bus)?
 231              lmm_constraint_used(maxmin_system,
 232                                 ((cpu_KCCFLN05_t) resource_id)->
 233                                 bus):0));
 234   else
 235     return lmm_constraint_used(maxmin_system,
 236                                ((network_link_KCCFLN05_t) resource_id)->
 237                                constraint);
 238
 239 }
 240
 241 static double share_resources(double now)
 242 {
 243   s_surf_action_workstation_KCCFLN05_t s_action;
 244   surf_action_workstation_KCCFLN05_t action = NULL;
 245
 246   xbt_swag_t running_actions = surf_workstation_resource->common_public->states.running_action_set;
 247   double min = generic_maxmin_share_resources(running_actions,
 248                                               xbt_swag_offset(s_action, variable));
 249
 250   xbt_swag_foreach(action, running_actions) {
 251     if(action->latency>0) {
 252       if(min<0) {
 253         min = action->latency;
 254         DEBUG3("Updating min (value) with %p (start %f): %f",action,
 255                action->generic_action.start, min);
 256       }
 257       else if (action->latency<min) {
 258         min = action->latency;
 259         DEBUG3("Updating min (latency) with %p (start %f): %f",action,
 260                action->generic_action.start, min);
 261       }
 262     }
 263   }
 264
 265   DEBUG1("min value : %f",min);
 266
 267   return min;
 268 }
 269
 270 static void update_actions_state(double now, double delta)
 271 {
 272   double deltap = 0.0;
 273   surf_action_workstation_KCCFLN05_t action = NULL;
 274   surf_action_workstation_KCCFLN05_t next_action = NULL;
 275   xbt_swag_t running_actions =
 276       surf_workstation_resource->common_public->states.running_action_set;
 277
 278   xbt_swag_foreach_safe(action, next_action, running_actions) {
 279     deltap = delta;
 280     if (action->latency > 0) {
 281       if (action->latency > deltap) {
 282         double_update(&(action->latency), deltap);
 283         deltap = 0.0;
 284       } else {
 285         double_update(&(deltap), action->latency);
 286         action->latency = 0.0;
 287       }
 288       if ((action->latency == 0.0) && (action->suspended==0)) {
 289         if((action)->lat_current==0.0)
 290           lmm_update_variable_weight(maxmin_system,action->variable, 1.0);
 291         else
 292           lmm_update_variable_weight(maxmin_system, action->variable,
 293                                      action->lat_current);
 294       }
 295     }
 296     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 297            action, action->generic_action.remains,
 298            lmm_variable_getvalue(action->variable) * deltap);
 299     double_update(&(action->generic_action.remains),
 300                        lmm_variable_getvalue(action->variable) * deltap);
 301
 302     if (action->generic_action.max_duration != NO_MAX_DURATION)
 303       double_update(&(action->generic_action.max_duration), delta);
 304
 305     /*   if(action->generic_action.remains<.00001) action->generic_action.remains=0; */
 306
 307     if ((action->generic_action.remains <= 0) &&
 308         (lmm_get_variable_weight(action->variable)>0)) {
 309       action->generic_action.finish = surf_get_clock();
 310       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 311     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 312                (action->generic_action.max_duration <= 0)) {
 313       action->generic_action.finish = surf_get_clock();
 314       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 315     } else {                    /* Need to check that none of the resource has failed */
 316       lmm_constraint_t cnst = NULL;
 317       int i = 0;
 318       void *constraint_id = NULL;
 319
 320       while ((cnst =
 321               lmm_get_cnst_from_var(maxmin_system, action->variable,
 322                                     i++))) {
 323         constraint_id = lmm_constraint_id(cnst);
 324         if(((((network_link_KCCFLN05_t)constraint_id)->type==
 325              SURF_WORKSTATION_RESOURCE_LINK) &&
 326             (((network_link_KCCFLN05_t)constraint_id)->state_current==
 327              SURF_NETWORK_LINK_OFF)) ||
 328            ((((cpu_KCCFLN05_t)constraint_id)->type==
 329              SURF_WORKSTATION_RESOURCE_CPU) &&
 330             (((cpu_KCCFLN05_t)constraint_id)->state_current==
 331              SURF_CPU_OFF))) {
 332           action->generic_action.finish = surf_get_clock();
 333           surf_action_change_state((surf_action_t) action, SURF_ACTION_FAILED);
 334           break;
 335         }
 336       }
 337     }
 338   }
 339   return;
 340 }
 341
 342 static void update_resource_state(void *id,
 343                                   tmgr_trace_event_t event_type,
 344                                   double value)
 345 {
 346   cpu_KCCFLN05_t cpu = id;
 347   network_link_KCCFLN05_t nw_link = id ;
 348
 349   if(nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 350     if (event_type == nw_link->bw_event) {
 351       nw_link->bw_current = value;
 352       lmm_update_constraint_bound(maxmin_system, nw_link->constraint,
 353                                   nw_link->bw_current);
 354     } else if (event_type == nw_link->lat_event) {
 355       double delta = value - nw_link->lat_current;
 356       lmm_variable_t var = NULL;
 357       surf_action_workstation_KCCFLN05_t action = NULL;
 358
 359       nw_link->lat_current = value;
 360       while (lmm_get_var_from_cnst(maxmin_system, nw_link->constraint, &var)) {
 361         action = lmm_variable_id(var);
 362         action->lat_current += delta;
 363         if(action->rate<0)
 364           lmm_update_variable_bound(maxmin_system, action->variable,
 365                                     SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
 366         else
 367           lmm_update_variable_bound(maxmin_system, action->variable,
 368                                     min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
 369         if(action->suspended==0)
 370           lmm_update_variable_weight(maxmin_system, action->variable,
 371                                      action->lat_current);
 372         lmm_update_variable_latency(maxmin_system, action->variable, delta);
 373
 374
 375       }
 376     } else if (event_type == nw_link->state_event) {
 377       if (value > 0)
 378         nw_link->state_current = SURF_NETWORK_LINK_ON;
 379       else
 380         nw_link->state_current = SURF_NETWORK_LINK_OFF;
 381     } else {
 382       CRITICAL0("Unknown event ! \n");
 383       xbt_abort();
 384     }
 385     return;
 386   } else if(cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 387     if (event_type == cpu->power_event) {
 388       cpu->power_current = value;
 389       __update_cpu_usage(cpu);
 390     } else if (event_type == cpu->state_event) {
 391       if (value > 0)
 392         cpu->state_current = SURF_CPU_ON;
 393       else
 394         cpu->state_current = SURF_CPU_OFF;
 395     } else {
 396       CRITICAL0("Unknown event ! \n");
 397       xbt_abort();
 398     }
 399     return;
 400   } else {
 401     DIE_IMPOSSIBLE;
 402   }
 403   return;
 404 }
 405
 406 static void finalize(void)
 407 {
 408   int i,j;
 409
 410   xbt_dict_free(&network_link_set);
 411   xbt_dict_free(&workstation_set);
 412   xbt_dict_free(&router_set);
 413   if (parallel_task_network_link_set != NULL) {
 414     xbt_dict_free(&parallel_task_network_link_set);
 415   }
 416   xbt_swag_free(surf_workstation_resource->common_public->states.
 417                 ready_action_set);
 418   xbt_swag_free(surf_workstation_resource->common_public->states.
 419                 running_action_set);
 420   xbt_swag_free(surf_workstation_resource->common_public->states.
 421                 failed_action_set);
 422   xbt_swag_free(surf_workstation_resource->common_public->states.
 423                 done_action_set);
 424
 425   free(surf_workstation_resource->common_public);
 426   free(surf_workstation_resource->common_private);
 427   free(surf_workstation_resource->extension_public);
 428
 429   free(surf_workstation_resource);
 430   surf_workstation_resource = NULL;
 431
 432   for (i = 0; i < nb_workstation; i++)
 433     for (j = 0; j < nb_workstation; j++)
 434       free(ROUTE(i, j).links);
 435   free(routing_table);
 436   routing_table = NULL;
 437   nb_workstation = 0;
 438
 439   if (maxmin_system) {
 440     lmm_system_free(maxmin_system);
 441     maxmin_system = NULL;
 442   }
 443 }
 444
 445 /**************************************/
 446 /******* Resource Private    **********/
 447 /**************************************/
 448
 449 static surf_action_t execute(void *cpu, double size)
 450 {
 451   surf_action_workstation_KCCFLN05_t action = NULL;
 452   cpu_KCCFLN05_t CPU = cpu;
 453
 454   XBT_IN2("(%s,%g)",CPU->name,size);
 455   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 456
 457   action->generic_action.using = 1;
 458   action->generic_action.cost = size;
 459   action->generic_action.remains = size;
 460   action->generic_action.priority = 1.0;
 461   action->generic_action.max_duration = NO_MAX_DURATION;
 462   action->generic_action.start = surf_get_clock();
 463   action->generic_action.finish = -1.0;
 464   action->generic_action.resource_type =
 465       (surf_resource_t) surf_workstation_resource;
 466   action->suspended = 0;
 467
 468   if (CPU->state_current == SURF_CPU_ON)
 469     action->generic_action.state_set =
 470         surf_workstation_resource->common_public->states.running_action_set;
 471   else
 472     action->generic_action.state_set =
 473         surf_workstation_resource->common_public->states.failed_action_set;
 474   xbt_swag_insert(action, action->generic_action.state_set);
 475
 476   action->variable = lmm_variable_new(maxmin_system, action,
 477                                       action->generic_action.priority, -1.0, 1);
 478   lmm_expand(maxmin_system, CPU->constraint, action->variable,
 479              1.0);
 480   XBT_OUT;
 481   return (surf_action_t) action;
 482 }
 483
 484 static surf_action_t action_sleep(void *cpu, double duration)
 485 {
 486   surf_action_workstation_KCCFLN05_t action = NULL;
 487
 488   XBT_IN2("(%s,%g)",((cpu_KCCFLN05_t)cpu)->name,duration);
 489
 490   action = (surf_action_workstation_KCCFLN05_t) execute(cpu, 1.0);
 491   action->generic_action.max_duration = duration;
 492   action->suspended = 2;
 493   lmm_update_variable_weight(maxmin_system, action->variable, 0.0);
 494
 495   XBT_OUT;
 496   return (surf_action_t) action;
 497 }
 498
 499 static e_surf_cpu_state_t resource_get_state(void *cpu)
 500 {
 501   return ((cpu_KCCFLN05_t) cpu)->state_current;
 502 }
 503
 504 static double get_speed(void *cpu, double load)
 505 {
 506   return load*(((cpu_KCCFLN05_t) cpu)->power_scale);
 507 }
 508
 509 static double get_available_speed(void *cpu)
 510 {
 511   return ((cpu_KCCFLN05_t) cpu)->power_current;
 512 }
 513
 514
 515 static surf_action_t communicate(void *src, void *dst, double size, double rate)
 516 {
 517   surf_action_workstation_KCCFLN05_t action = NULL;
 518   cpu_KCCFLN05_t card_src = src;
 519   cpu_KCCFLN05_t card_dst = dst;
 520   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 521   int route_size = route->size;
 522   int i;
 523
 524   XBT_IN4("(%s,%s,%g,%g)",card_src->name,card_dst->name,size,rate);
 525   xbt_assert2(route_size,"You're trying to send data from %s to %s but there is no connexion between these two cards.", card_src->name, card_dst->name);
 526
 527   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 528
 529   action->generic_action.using = 1;
 530   action->generic_action.cost = size;
 531   action->generic_action.remains = size;
 532   action->generic_action.max_duration = NO_MAX_DURATION;
 533   action->generic_action.start = surf_get_clock();
 534   action->generic_action.finish = -1.0;
 535   action->src = src;
 536   action->dst = dst;
 537   action->generic_action.resource_type =
 538     (surf_resource_t) surf_workstation_resource;
 539   action->suspended = 0;  /* Should be useless because of the
 540                              calloc but it seems to help valgrind... */
 541   action->generic_action.state_set =
 542       surf_workstation_resource->common_public->states.running_action_set;
 543
 544   xbt_dynar_push(card_src->outgoing_communications, &action);
 545   xbt_dynar_push(card_dst->incomming_communications, &action);
 546
 547   xbt_swag_insert(action, action->generic_action.state_set);
 548   action->rate = rate;
 549
 550   action->latency = 0.0;
 551   for (i = 0; i < route_size; i++)
 552     action->latency += route->links[i]->lat_current;
 553   action->lat_current = action->latency;
 554
 555   if(action->latency>0)
 556     action->variable = lmm_variable_new(maxmin_system, action, 0.0, -1.0,
 557                                         route_size+4); /* +1 for the src bus
 558                                                           +1 for the dst bus
 559                                                           +1 for the src cpu
 560                                                           +1 for the dst cpu */
 561   else
 562     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
 563                                         route_size+4);
 564
 565   if(action->rate<0) {
 566     if(action->lat_current>0)
 567       lmm_update_variable_bound(maxmin_system, action->variable,
 568                                 SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
 569     else
 570       lmm_update_variable_bound(maxmin_system, action->variable, -1.0);
 571   } else {
 572     if(action->lat_current>0)
 573       lmm_update_variable_bound(maxmin_system, action->variable,
 574                                 min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
 575     else
 576       lmm_update_variable_bound(maxmin_system, action->variable, action->rate);
 577   }
 578
 579   lmm_update_variable_latency(maxmin_system, action->variable, action->latency);
 580
 581   for (i = 0; i < route_size; i++)
 582     lmm_expand(maxmin_system, route->links[i]->constraint, action->variable, 1.0);
 583   if (card_src->bus)
 584     lmm_expand(maxmin_system, card_src->bus, action->variable, 1.0);
 585   if (card_dst->bus)
 586     lmm_expand(maxmin_system, card_dst->bus, action->variable, 1.0);
 587   lmm_expand(maxmin_system, card_src->constraint, action->variable, 0.0);
 588   lmm_expand(maxmin_system, card_dst->constraint, action->variable, 0.0);
 589
 590   XBT_OUT;
 591   return (surf_action_t) action;
 592 }
 593
 594 static surf_action_t execute_parallel_task(int workstation_nb,
 595                                            void **workstation_list,
 596                                            double *computation_amount,
 597                                            double *communication_amount,
 598                                            double amount,
 599                                            double rate)
 600 {
 601   surf_action_workstation_KCCFLN05_t action = NULL;
 602   int i, j, k;
 603   int nb_link = 0;
 604   int nb_host = 0;
 605
 606   if (parallel_task_network_link_set == NULL) {
 607     parallel_task_network_link_set = xbt_dict_new_ext(workstation_nb * workstation_nb * 10);
 608   }
 609
 610   /* Compute the number of affected resources... */
 611   for(i=0; i< workstation_nb; i++) {
 612     for(j=0; j< workstation_nb; j++) {
 613       cpu_KCCFLN05_t card_src = workstation_list[i];
 614       cpu_KCCFLN05_t card_dst = workstation_list[j];
 615       int route_size = ROUTE(card_src->id, card_dst->id).size;
 616       network_link_KCCFLN05_t *route = ROUTE(card_src->id, card_dst->id).links;
 617
 618       if(communication_amount[i*workstation_nb+j]>0)
 619         for(k=0; k< route_size; k++) {
 620           xbt_dict_set(parallel_task_network_link_set, route[k]->name, route[k], NULL);
 621         }
 622     }
 623   }
 624   nb_link = xbt_dict_length(parallel_task_network_link_set);
 625   xbt_dict_reset(parallel_task_network_link_set);
 626
 627
 628   for (i = 0; i<workstation_nb; i++)
 629     if(computation_amount[i]>0) nb_host++;
 630
 631
 632   if(nb_link + nb_host == 0) /* was workstation_nb... */
 633     return NULL;
 634
 635   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 636   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 637          action, nb_host,  nb_link);
 638   action->generic_action.using = 1;
 639   action->generic_action.cost = amount;
 640   action->generic_action.remains = amount;
 641   action->generic_action.max_duration = NO_MAX_DURATION;
 642   action->generic_action.start = -1.0;
 643   action->generic_action.finish = -1.0;
 644   action->generic_action.resource_type =
 645       (surf_resource_t) surf_workstation_resource;
 646   action->suspended = 0;  /* Should be useless because of the
 647                              calloc but it seems to help valgrind... */
 648   action->generic_action.state_set =
 649       surf_workstation_resource->common_public->states.running_action_set;
 650
 651   xbt_swag_insert(action, action->generic_action.state_set);
 652   action->rate = rate;
 653
 654   if(action->rate>0)
 655     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
 656                                         nb_host + nb_link);
 657   else
 658     action->variable = lmm_variable_new(maxmin_system, action, 1.0, action->rate,
 659                                         nb_host + nb_link);
 660
 661   for (i = 0; i<workstation_nb; i++)
 662     if(computation_amount[i]>0)
 663       lmm_expand(maxmin_system, ((cpu_KCCFLN05_t) workstation_list[i])->constraint,
 664                  action->variable, computation_amount[i]);
 665
 666   for (i=0; i<workstation_nb; i++) {
 667     for(j=0; j< workstation_nb; j++) {
 668       cpu_KCCFLN05_t card_src = workstation_list[i];
 669       cpu_KCCFLN05_t card_dst = workstation_list[j];
 670       int route_size = ROUTE(card_src->id, card_dst->id).size;
 671       network_link_KCCFLN05_t *route = ROUTE(card_src->id, card_dst->id).links;
 672
 673       for(k=0; k< route_size; k++) {
 674         if(communication_amount[i*workstation_nb+j]>0) {
 675           lmm_expand_add(maxmin_system, route[k]->constraint,
 676                        action->variable, communication_amount[i*workstation_nb+j]);
 677         }
 678       }
 679     }
 680   }
 681
 682   return (surf_action_t) action;
 683 }
 684
 685 /* returns an array of network_link_KCCFLN05_t */
 686 static const void** get_route(void *src, void *dst) {
 687   cpu_KCCFLN05_t card_src = src;
 688   cpu_KCCFLN05_t card_dst = dst;
 689   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 690
 691   return (const void**) route->links;
 692 }
 693
 694 static int get_route_size(void *src, void *dst) {
 695   cpu_KCCFLN05_t card_src = src;
 696   cpu_KCCFLN05_t card_dst = dst;
 697   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 698   return route->size;
 699 }
 700
 701 static const char *get_link_name(const void *link) {
 702   return ((network_link_KCCFLN05_t) link)->name;
 703 }
 704
 705 static double get_link_bandwidth(const void *link) {
 706   return ((network_link_KCCFLN05_t) link)->bw_current;
 707 }
 708
 709 static double get_link_latency(const void *link) {
 710   return ((network_link_KCCFLN05_t) link)->lat_current;
 711 }
 712
 713 /**************************************/
 714 /*** Resource Creation & Destruction **/
 715 /**************************************/
 716
 717
 718 static void router_free(void *router)
 719 {
 720   free( ((router_KCCFLN05_t) router)->name );
 721 }
 722
 723 static void router_new(const char *name)
 724 {
 725   static unsigned int nb_routers = 0;
 726
 727   INFO1("Creating a router %s", name);
 728
 729   router_KCCFLN05_t router;
 730   router = xbt_new0(s_router_KCCFLN05_t, 1);
 731
 732   router->name = xbt_strdup(name);
 733   router->id   = nb_routers++;
 734   xbt_dict_set(router_set, name, router, router_free);
 735 }
 736
 737 static void parse_routers(void)
 738 {
 739   //add a dumb router just to be GTNETS compatible
 740   router_new(A_surfxml_router_name);
 741 }
 742
 743 static void cpu_free(void *cpu)
 744 {
 745   free(((cpu_KCCFLN05_t) cpu)->name);
 746   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->incomming_communications));
 747   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->outgoing_communications));
 748   free(cpu);
 749 }
 750
 751 static cpu_KCCFLN05_t cpu_new(const char *name, double power_scale,
 752                               double power_initial,
 753                               tmgr_trace_t power_trace,
 754                               e_surf_cpu_state_t state_initial,
 755                               tmgr_trace_t state_trace,
 756                               double interference_send,
 757                               double interference_recv,
 758                               double interference_send_recv,
 759                               double max_outgoing_rate)
 760 {
 761   cpu_KCCFLN05_t cpu = xbt_new0(s_cpu_KCCFLN05_t, 1);
 762
 763   cpu->resource = (surf_resource_t) surf_workstation_resource;
 764   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 765   cpu->name = xbt_strdup(name);
 766   cpu->id = nb_workstation++;
 767
 768   cpu->power_scale = power_scale;
 769   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 770
 771   cpu->power_current = power_initial;
 772   if (power_trace)
 773     cpu->power_event =
 774         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 775
 776   cpu->state_current = state_initial;
 777   if (state_trace)
 778     cpu->state_event =
 779         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 780
 781   cpu->interference_send = interference_send;
 782   cpu->interference_recv = interference_recv;
 783   cpu->interference_send_recv = interference_send_recv;
 784
 785   cpu->constraint =
 786       lmm_constraint_new(maxmin_system, cpu,
 787                          cpu->power_current * cpu->power_scale);
 788   if (max_outgoing_rate > 0)
 789     cpu->bus = lmm_constraint_new(maxmin_system, cpu, max_outgoing_rate);
 790
 791   cpu->incomming_communications =
 792       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 793   cpu->outgoing_communications =
 794       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 795
 796   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 797
 798   return cpu;
 799 }
 800
 801 static void parse_cpu(void)
 802 {
 803   double power_scale = 0.0;
 804   double power_initial = 0.0;
 805   tmgr_trace_t power_trace = NULL;
 806   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 807   tmgr_trace_t state_trace = NULL;
 808   double interference_send = 0.0;
 809   double interference_recv = 0.0;
 810   double interference_send_recv = 0.0;
 811   double max_outgoing_rate = -1.0;
 812
 813   surf_parse_get_double(&power_scale, A_surfxml_cpu_power);
 814   surf_parse_get_double(&power_initial, A_surfxml_cpu_availability);
 815   surf_parse_get_trace(&power_trace, A_surfxml_cpu_availability_file);
 816
 817   xbt_assert0((A_surfxml_cpu_state == A_surfxml_cpu_state_ON) ||
 818               (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF),
 819               "Invalid state");
 820   if (A_surfxml_cpu_state == A_surfxml_cpu_state_ON)
 821     state_initial = SURF_CPU_ON;
 822   if (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF)
 823     state_initial = SURF_CPU_OFF;
 824   surf_parse_get_trace(&state_trace, A_surfxml_cpu_state_file);
 825
 826   surf_parse_get_double(&interference_send,
 827                         A_surfxml_cpu_interference_send);
 828   surf_parse_get_double(&interference_recv,
 829                         A_surfxml_cpu_interference_recv);
 830   surf_parse_get_double(&interference_send_recv,
 831                         A_surfxml_cpu_interference_send_recv);
 832   surf_parse_get_double(&max_outgoing_rate,
 833                         A_surfxml_cpu_max_outgoing_rate);
 834
 835   cpu_new(A_surfxml_cpu_name, power_scale, power_initial, power_trace,
 836           state_initial, state_trace, interference_send, interference_recv,
 837           interference_send_recv, max_outgoing_rate);
 838 }
 839
 840 static void create_routing_table(void)
 841 {
 842   routing_table =
 843       xbt_new0(s_route_KCCFLN05_t, nb_workstation * nb_workstation);
 844 }
 845
 846 static void network_link_free(void *nw_link)
 847 {
 848   free(((network_link_KCCFLN05_t) nw_link)->name);
 849   free(nw_link);
 850 }
 851
 852 static network_link_KCCFLN05_t network_link_new(char *name,
 853                                                 double bw_initial,
 854                                                 tmgr_trace_t bw_trace,
 855                                                 double lat_initial,
 856                                                 tmgr_trace_t lat_trace,
 857                                                 e_surf_network_link_state_t
 858                                                 state_initial,
 859                                                 tmgr_trace_t state_trace,
 860                                                 e_surf_network_link_sharing_policy_t policy)
 861 {
 862   network_link_KCCFLN05_t nw_link = xbt_new0(s_network_link_KCCFLN05_t, 1);
 863
 864
 865   nw_link->resource = (surf_resource_t) surf_workstation_resource;
 866   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 867   nw_link->name = name;
 868   nw_link->bw_current = bw_initial;
 869   if (bw_trace)
 870     nw_link->bw_event =
 871         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 872   nw_link->state_current = state_initial;
 873   nw_link->lat_current = lat_initial;
 874   if (lat_trace)
 875     nw_link->lat_event =
 876         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 877   if (state_trace)
 878     nw_link->state_event =
 879         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 880
 881   nw_link->constraint =
 882       lmm_constraint_new(maxmin_system, nw_link, nw_link->bw_current);
 883
 884   if(policy == SURF_NETWORK_LINK_FATPIPE)
 885     lmm_constraint_shared(nw_link->constraint);
 886
 887   xbt_dict_set(network_link_set, name, nw_link, network_link_free);
 888
 889   return nw_link;
 890 }
 891
 892 static void parse_network_link(void)
 893 {
 894   char *name;
 895   double bw_initial;
 896   tmgr_trace_t bw_trace;
 897   double lat_initial;
 898   tmgr_trace_t lat_trace;
 899   e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
 900   e_surf_network_link_sharing_policy_t policy_initial = SURF_NETWORK_LINK_SHARED;
 901   tmgr_trace_t state_trace;
 902
 903   name = xbt_strdup(A_surfxml_network_link_name);
 904   surf_parse_get_double(&bw_initial,A_surfxml_network_link_bandwidth);
 905   surf_parse_get_trace(&bw_trace, A_surfxml_network_link_bandwidth_file);
 906   surf_parse_get_double(&lat_initial,A_surfxml_network_link_latency);
 907   surf_parse_get_trace(&lat_trace, A_surfxml_network_link_latency_file);
 908
 909   xbt_assert0((A_surfxml_network_link_state==A_surfxml_network_link_state_ON)||
 910               (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF),
 911               "Invalid state");
 912   if (A_surfxml_network_link_state==A_surfxml_network_link_state_ON)
 913     state_initial = SURF_NETWORK_LINK_ON;
 914   else if (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF)
 915     state_initial = SURF_NETWORK_LINK_OFF;
 916
 917   if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_SHARED)
 918     policy_initial = SURF_NETWORK_LINK_SHARED;
 919   else if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_FATPIPE)
 920     policy_initial = SURF_NETWORK_LINK_FATPIPE;
 921
 922   surf_parse_get_trace(&state_trace,A_surfxml_network_link_state_file);
 923
 924   network_link_new(name, bw_initial, bw_trace,
 925                    lat_initial, lat_trace, state_initial, state_trace,
 926                    policy_initial);
 927 }
 928
 929 static void route_new(int src_id, int dst_id, network_link_KCCFLN05_t *link_list, int nb_link,
 930                       double impact_on_src, double impact_on_dst,
 931                       double impact_on_src_with_other_recv,
 932                       double impact_on_dst_with_other_send)
 933 {
 934   route_KCCFLN05_t route = &(ROUTE(src_id, dst_id));
 935
 936   route->size = nb_link;
 937   route->links = link_list = xbt_realloc(link_list, sizeof(network_link_KCCFLN05_t) * nb_link);
 938   route->impact_on_src = impact_on_src;
 939   route->impact_on_dst = impact_on_src;
 940   route->impact_on_src_with_other_recv = impact_on_src_with_other_recv;
 941   route->impact_on_dst_with_other_send = impact_on_dst_with_other_send;
 942 }
 943
 944 static int nb_link;
 945 static int link_list_capacity;
 946 static network_link_KCCFLN05_t *link_list = NULL;
 947 static int src_id = -1;
 948 static int dst_id = -1;
 949 static double impact_on_src;
 950 static double impact_on_dst;
 951 static double impact_on_src_with_other_recv;
 952 static double impact_on_dst_with_other_send;
 953
 954 static void parse_route_set_endpoints(void)
 955 {
 956   cpu_KCCFLN05_t cpu_tmp = NULL;
 957
 958   cpu_tmp = (cpu_KCCFLN05_t) name_service(A_surfxml_route_src);
 959   if(cpu_tmp != NULL) {
 960     src_id = cpu_tmp->id;
 961   }else {
 962     xbt_assert1(xbt_dict_get_or_null(router_set, A_surfxml_route_src),
 963                "Invalid name '%s': neither a cpu nor a router!",
 964                A_surfxml_route_src);
 965     src_id=-1;
 966     return;
 967   }
 968
 969   cpu_tmp = (cpu_KCCFLN05_t) name_service(A_surfxml_route_dst);
 970   if(cpu_tmp != NULL) {
 971     dst_id = cpu_tmp->id;
 972   }else {
 973     xbt_assert1(xbt_dict_get_or_null(router_set, A_surfxml_route_dst),
 974                "Invalid name '%s': neither a cpu nor a router!",
 975                A_surfxml_route_dst);
 976     dst_id=-1;
 977     return ;
 978   }
 979
 980   surf_parse_get_double(&impact_on_src, A_surfxml_route_impact_on_src);
 981   surf_parse_get_double(&impact_on_dst, A_surfxml_route_impact_on_dst);
 982   surf_parse_get_double(&impact_on_src_with_other_recv,
 983                         A_surfxml_route_impact_on_src_with_other_recv);
 984   surf_parse_get_double(&impact_on_dst_with_other_send,
 985                         A_surfxml_route_impact_on_dst_with_other_send);
 986
 987   nb_link = 0;
 988   link_list_capacity = 1;
 989   link_list = xbt_new(network_link_KCCFLN05_t, link_list_capacity);
 990
 991 }
 992
 993 static void parse_route_elem(void)
 994 {
 995   xbt_ex_t e;
 996   if (nb_link == link_list_capacity) {
 997     link_list_capacity *= 2;
 998     link_list = xbt_realloc(link_list, (link_list_capacity) * sizeof(network_link_KCCFLN05_t));
 999   }
1000   TRY {
1001      link_list[nb_link++] = xbt_dict_get(network_link_set, A_surfxml_route_element_name);
1002   } CATCH(e) {
1003      RETHROW1("Link %s not found (dict raised this exception: %s)",A_surfxml_route_element_name);
1004   }
1005 }
1006
1007 static void parse_route_set_route(void)
1008 {
1009   if( src_id != -1 && dst_id != -1 )
1010   route_new(src_id, dst_id, link_list, nb_link, impact_on_src,
1011             impact_on_dst, impact_on_src_with_other_recv,
1012             impact_on_dst_with_other_send);
1013 }
1014
1015 static void parse_file(const char *file)
1016 {
1017   int i;
1018
1019   /* Figuring out the cpus */
1020   surf_parse_reset_parser();
1021   ETag_surfxml_cpu_fun = parse_cpu;
1022   surf_parse_open(file);
1023   xbt_assert1((!surf_parse()), "Parse error in %s", file);
1024   surf_parse_close();
1025
1026   create_routing_table();
1027
1028   /* Figuring out the router (added after GTNETS) */
1029   surf_parse_reset_parser();
1030   STag_surfxml_router_fun=parse_routers;
1031   surf_parse_open(file);
1032   xbt_assert1((!surf_parse()),"Parse error in %s",file);
1033   surf_parse_close();
1034
1035   /* Figuring out the network links */
1036   surf_parse_reset_parser();
1037   ETag_surfxml_network_link_fun = parse_network_link;
1038   surf_parse_open(file);
1039   xbt_assert1((!surf_parse()), "Parse error in %s", file);
1040   surf_parse_close();
1041
1042   /* Building the routes */
1043   surf_parse_reset_parser();
1044   STag_surfxml_route_fun = parse_route_set_endpoints;
1045   ETag_surfxml_route_element_fun = parse_route_elem;
1046   ETag_surfxml_route_fun = parse_route_set_route;
1047   surf_parse_open(file);
1048   xbt_assert1((!surf_parse()), "Parse error in %s", file);
1049   surf_parse_close();
1050
1051   /* Adding loopback if needed */
1052   for (i = 0; i < nb_workstation; i++)
1053     if(!ROUTE(i,i).size) {
1054       if(!loopback)
1055         loopback = network_link_new(xbt_strdup("__MSG_loopback__"),
1056                                    498000000, NULL, 0.000015, NULL,
1057                                    SURF_NETWORK_LINK_ON, NULL,
1058                                    SURF_NETWORK_LINK_FATPIPE);
1059       ROUTE(i,i).size=1;
1060       ROUTE(i,i).links = xbt_new0(network_link_KCCFLN05_t, 1);
1061       ROUTE(i,i).links[0] = loopback;
1062     }
1063
1064 }
1065
1066 /**************************************/
1067 /********* Module  creation ***********/
1068 /**************************************/
1069
1070 static void resource_init_internal(void)
1071 {
1072   s_surf_action_t action;
1073
1074   surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
1075
1076   surf_workstation_resource->common_private =
1077       xbt_new0(s_surf_resource_private_t, 1);
1078   surf_workstation_resource->common_public =
1079       xbt_new0(s_surf_resource_public_t, 1);
1080   surf_workstation_resource->extension_public =
1081       xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
1082
1083   surf_workstation_resource->common_public->states.ready_action_set =
1084       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1085   surf_workstation_resource->common_public->states.running_action_set =
1086       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1087   surf_workstation_resource->common_public->states.failed_action_set =
1088       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1089   surf_workstation_resource->common_public->states.done_action_set =
1090       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1091
1092   surf_workstation_resource->common_public->name_service = name_service;
1093   surf_workstation_resource->common_public->get_resource_name = get_resource_name;
1094   surf_workstation_resource->common_public->action_get_state = surf_action_get_state;
1095   surf_workstation_resource->common_public->action_get_start_time =
1096       surf_action_get_start_time;
1097   surf_workstation_resource->common_public->action_get_finish_time =
1098       surf_action_get_finish_time;
1099   surf_workstation_resource->common_public->action_use = action_use;
1100   surf_workstation_resource->common_public->action_free = action_free;
1101   surf_workstation_resource->common_public->action_cancel = action_cancel;
1102   surf_workstation_resource->common_public->action_recycle = action_recycle;
1103   surf_workstation_resource->common_public->action_change_state = surf_action_change_state;
1104   surf_workstation_resource->common_public->action_set_data = surf_action_set_data;
1105   surf_workstation_resource->common_public->suspend = action_suspend;
1106   surf_workstation_resource->common_public->resume = action_resume;
1107   surf_workstation_resource->common_public->is_suspended = action_is_suspended;
1108   surf_workstation_resource->common_public->set_max_duration = action_set_max_duration;
1109   surf_workstation_resource->common_public->set_priority = action_set_priority;
1110   surf_workstation_resource->common_public->name = "Workstation KCCFLN05";
1111
1112   surf_workstation_resource->common_private->resource_used = resource_used;
1113   surf_workstation_resource->common_private->share_resources = share_resources;
1114   surf_workstation_resource->common_private->update_actions_state = update_actions_state;
1115   surf_workstation_resource->common_private->update_resource_state = update_resource_state;
1116   surf_workstation_resource->common_private->finalize = finalize;
1117
1118   surf_workstation_resource->extension_public->execute = execute;
1119   surf_workstation_resource->extension_public->sleep = action_sleep;
1120   surf_workstation_resource->extension_public->get_state = resource_get_state;
1121   surf_workstation_resource->extension_public->get_speed = get_speed;
1122   surf_workstation_resource->extension_public->get_available_speed = get_available_speed;
1123   surf_workstation_resource->extension_public->communicate = communicate;
1124   surf_workstation_resource->extension_public->execute_parallel_task = execute_parallel_task;
1125   surf_workstation_resource->extension_public->get_route = get_route;
1126   surf_workstation_resource->extension_public->get_route_size = get_route_size;
1127   surf_workstation_resource->extension_public->get_link_name = get_link_name;
1128   surf_workstation_resource->extension_public->get_link_bandwidth = get_link_bandwidth;
1129   surf_workstation_resource->extension_public->get_link_latency = get_link_latency;
1130
1131   workstation_set  = xbt_dict_new();
1132   router_set       = xbt_dict_new();
1133   network_link_set = xbt_dict_new();
1134
1135   xbt_assert0(maxmin_system, "surf_init has to be called first!");
1136 }
1137
1138 /**************************************/
1139 /*************** Generic **************/
1140 /**************************************/
1141 void surf_workstation_resource_init_KCCFLN05(const char *filename)
1142 {
1143   xbt_assert0(!surf_cpu_resource, "CPU resource type already defined");
1144   xbt_assert0(!surf_network_resource, "network resource type already defined");
1145   resource_init_internal();
1146   parse_file(filename);
1147
1148   xbt_dynar_push(resource_list, &surf_workstation_resource);
1149 }