src/surf/host_ptask_L07.cpp

   1 /* Copyright (c) 2007-2010, 2013-2015. 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 <cstdlib>
   8
   9 #include <algorithm>
  10
  11 #include "host_ptask_L07.hpp"
  12
  13 #include "cpu_interface.hpp"
  14 #include "surf_routing.hpp"
  15 #include "xbt/lib.h"
  16 #include "src/surf/platform.hpp"
  17
  18 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_host);
  19
  20 /**************************************/
  21 /*** Resource Creation & Destruction **/
  22 /**************************************/
  23
  24 static void ptask_netlink_parse_init(sg_platf_link_cbarg_t link)
  25 {
  26   netlink_parse_init(link);
  27   current_property_set = NULL;
  28 }
  29
  30 void surf_host_model_init_ptask_L07(void)
  31 {
  32   XBT_INFO("Switching to the L07 model to handle parallel tasks.");
  33   xbt_assert(!surf_cpu_model_pm, "CPU model type already defined");
  34   xbt_assert(!surf_network_model, "network model type already defined");
  35
  36   // Define the callbacks to parse the XML
  37   simgrid::surf::on_link.connect(ptask_netlink_parse_init);
  38   simgrid::surf::on_postparse.connect([](){
  39       surf_host_model->addTraces();
  40   });
  41
  42   surf_host_model = new simgrid::surf::HostL07Model();
  43   xbt_dynar_push(all_existing_models, &surf_host_model);
  44 }
  45
  46
  47 namespace simgrid {
  48 namespace surf {
  49
  50 HostL07Model::HostL07Model() : HostModel() {
  51   p_maxminSystem = lmm_system_new(1);
  52   surf_network_model = new NetworkL07Model(this,p_maxminSystem);
  53   surf_cpu_model_pm = new CpuL07Model(this,p_maxminSystem);
  54
  55   routing_model_create(surf_network_model->createLink("__loopback__",
  56                                                           498000000, NULL,
  57                                                           0.000015, NULL,
  58                                                           1/*ON*/, NULL,
  59                                                           SURF_LINK_FATPIPE, NULL));
  60 }
  61
  62 HostL07Model::~HostL07Model() {
  63   delete surf_cpu_model_pm;
  64   delete surf_network_model;
  65 }
  66
  67 CpuL07Model::CpuL07Model(HostL07Model *hmodel,lmm_system_t sys)
  68         : CpuModel()
  69         , p_hostModel(hmodel)
  70         {
  71           p_maxminSystem = sys;
  72         }
  73 CpuL07Model::~CpuL07Model() {
  74         surf_cpu_model_pm = NULL;
  75         p_maxminSystem = NULL; // Avoid multi-free
  76 }
  77 NetworkL07Model::NetworkL07Model(HostL07Model *hmodel, lmm_system_t sys)
  78         : NetworkModel()
  79         , p_hostModel(hmodel)
  80         {
  81           p_maxminSystem = sys;
  82         }
  83 NetworkL07Model::~NetworkL07Model()
  84 {
  85         surf_network_model = NULL;
  86         p_maxminSystem = NULL; // Avoid multi-free
  87 }
  88
  89
  90 double HostL07Model::shareResources(double /*now*/)
  91 {
  92   L07Action *action;
  93
  94   ActionList *running_actions = getRunningActionSet();
  95   double min = this->shareResourcesMaxMin(running_actions,
  96                                               p_maxminSystem,
  97                                               bottleneck_solve);
  98
  99   for(ActionList::iterator it(running_actions->begin()), itend(running_actions->end())
 100          ; it != itend ; ++it) {
 101         action = static_cast<L07Action*>(&*it);
 102     if (action->m_latency > 0) {
 103       if (min < 0) {
 104         min = action->m_latency;
 105         XBT_DEBUG("Updating min (value) with %p (start %f): %f", action,
 106                action->getStartTime(), min);
 107       } else if (action->m_latency < min) {
 108         min = action->m_latency;
 109         XBT_DEBUG("Updating min (latency) with %p (start %f): %f", action,
 110                action->getStartTime(), min);
 111       }
 112     }
 113   }
 114
 115   XBT_DEBUG("min value : %f", min);
 116
 117   return min;
 118 }
 119
 120 void HostL07Model::updateActionsState(double /*now*/, double delta) {
 121
 122   L07Action *action;
 123   ActionList *actionSet = getRunningActionSet();
 124
 125   for(ActionList::iterator it = actionSet->begin(), itNext = it
 126          ; it != actionSet->end()
 127          ; it =  itNext) {
 128         ++itNext;
 129     action = static_cast<L07Action*>(&*it);
 130     if (action->m_latency > 0) {
 131       if (action->m_latency > delta) {
 132         double_update(&(action->m_latency), delta, sg_surf_precision);
 133       } else {
 134         action->m_latency = 0.0;
 135       }
 136       if ((action->m_latency == 0.0) && (action->isSuspended() == 0)) {
 137         action->updateBound();
 138         lmm_update_variable_weight(p_maxminSystem, action->getVariable(), 1.0);
 139       }
 140     }
 141     XBT_DEBUG("Action (%p) : remains (%g) updated by %g.",
 142            action, action->getRemains(), lmm_variable_getvalue(action->getVariable()) * delta);
 143     action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
 144
 145     if (action->getMaxDuration() != NO_MAX_DURATION)
 146       action->updateMaxDuration(delta);
 147
 148     XBT_DEBUG("Action (%p) : remains (%g).", action, action->getRemains());
 149
 150     /* In the next if cascade, the action can be finished either because:
 151      *  - The amount of remaining work reached 0
 152      *  - The max duration was reached
 153      * If it's not done, it may have failed.
 154      */
 155
 156     if ((action->getRemains() <= 0) &&
 157         (lmm_get_variable_weight(action->getVariable()) > 0)) {
 158       action->finish();
 159       action->setState(SURF_ACTION_DONE);
 160     } else if ((action->getMaxDuration() != NO_MAX_DURATION) &&
 161                (action->getMaxDuration() <= 0)) {
 162       action->finish();
 163       action->setState(SURF_ACTION_DONE);
 164     } else {
 165       /* Need to check that none of the model has failed */
 166       lmm_constraint_t cnst = NULL;
 167       int i = 0;
 168
 169       while ((cnst = lmm_get_cnst_from_var(p_maxminSystem, action->getVariable(), i++))) {
 170         void *constraint_id = lmm_constraint_id(cnst);
 171
 172         if (static_cast<Host*>(constraint_id)->isOff()) {
 173           XBT_DEBUG("Action (%p) Failed!!", action);
 174           action->finish();
 175           action->setState(SURF_ACTION_FAILED);
 176           break;
 177         }
 178       }
 179     }
 180   }
 181   return;
 182 }
 183
 184 Action *HostL07Model::executeParallelTask(int host_nb, sg_host_t *host_list,
 185                   double *flops_amount, double *bytes_amount,
 186                   double rate) {
 187         return new L07Action(this, host_nb, host_list, flops_amount, bytes_amount, rate);
 188 }
 189
 190
 191 L07Action::L07Action(Model *model, int host_nb,
 192                 sg_host_t*host_list,
 193                 double *flops_amount,
 194                 double *bytes_amount,
 195                 double rate)
 196         : CpuAction(model, 1, 0)
 197 {
 198   unsigned int cpt;
 199   int nb_link = 0;
 200   int nb_used_host = 0; /* Only the hosts with something to compute (>0 flops) are counted) */
 201   double latency = 0.0;
 202
 203   xbt_dict_t ptask_parallel_task_link_set = xbt_dict_new_homogeneous(NULL);
 204
 205   this->p_netcardList->reserve(host_nb);
 206   for (int i = 0; i<host_nb; i++)
 207           this->p_netcardList->push_back(host_list[i]->pimpl_netcard);
 208
 209   /* Compute the number of affected resources... */
 210   for (int i = 0; i < host_nb; i++) {
 211     for (int j = 0; j < host_nb; j++) {
 212       xbt_dynar_t route=NULL;
 213
 214       if (bytes_amount[i * host_nb + j] > 0) {
 215         double lat=0.0;
 216         unsigned int cpt;
 217         void *_link;
 218         LinkL07 *link;
 219
 220         routing_platf->getRouteAndLatency((*this->p_netcardList)[i], (*this->p_netcardList)[j],
 221                                                   &route, &lat);
 222         latency = MAX(latency, lat);
 223
 224         xbt_dynar_foreach(route, cpt, _link) {
 225            link = static_cast<LinkL07*>(_link);
 226            xbt_dict_set(ptask_parallel_task_link_set, link->getName(), link, NULL);
 227         }
 228       }
 229     }
 230   }
 231
 232   nb_link = xbt_dict_length(ptask_parallel_task_link_set);
 233   xbt_dict_free(&ptask_parallel_task_link_set);
 234
 235   for (int i = 0; i < host_nb; i++)
 236     if (flops_amount[i] > 0)
 237       nb_used_host++;
 238
 239   XBT_DEBUG("Creating a parallel task (%p) with %d cpus and %d links.",
 240          this, host_nb, nb_link);
 241   this->p_computationAmount = flops_amount;
 242   this->p_communicationAmount = bytes_amount;
 243   this->m_latency = latency;
 244   this->m_rate = rate;
 245
 246   this->p_variable = lmm_variable_new(model->getMaxminSystem(), this, 1.0,
 247                                         (rate > 0 ? rate : -1.0),
 248                                                                                 host_nb + nb_link);
 249
 250   if (this->m_latency > 0)
 251     lmm_update_variable_weight(model->getMaxminSystem(), this->getVariable(), 0.0);
 252
 253   for (int i = 0; i < host_nb; i++)
 254     lmm_expand(model->getMaxminSystem(),
 255                host_list[i]->pimpl_cpu->getConstraint(),
 256                this->getVariable(), flops_amount[i]);
 257
 258   for (int i = 0; i < host_nb; i++) {
 259     for (int j = 0; j < host_nb; j++) {
 260       void *_link;
 261
 262       xbt_dynar_t route=NULL;
 263       if (bytes_amount[i * host_nb + j] == 0.0)
 264         continue;
 265
 266       routing_platf->getRouteAndLatency((*this->p_netcardList)[i], (*this->p_netcardList)[j],
 267                                             &route, NULL);
 268
 269       xbt_dynar_foreach(route, cpt, _link) {
 270         LinkL07 *link = static_cast<LinkL07*>(_link);
 271         lmm_expand_add(model->getMaxminSystem(), link->getConstraint(),
 272                        this->getVariable(),
 273                        bytes_amount[i * host_nb + j]);
 274       }
 275     }
 276   }
 277
 278   if (nb_link + nb_used_host == 0) {
 279     this->setCost(1.0);
 280     this->setRemains(0.0);
 281   }
 282 }
 283
 284 Action *NetworkL07Model::communicate(NetCard *src, NetCard *dst,
 285                                        double size, double rate)
 286 {
 287   sg_host_t*host_list = xbt_new0(sg_host_t, 2);
 288   double *flops_amount = xbt_new0(double, 2);
 289   double *bytes_amount = xbt_new0(double, 4);
 290   Action *res = NULL;
 291
 292   host_list[0] = sg_host_by_name(src->getName());
 293   host_list[1] = sg_host_by_name(dst->getName());
 294   bytes_amount[1] = size;
 295
 296   res = p_hostModel->executeParallelTask(2, host_list,
 297                                     flops_amount,
 298                                     bytes_amount, rate);
 299
 300   return res;
 301 }
 302
 303 Cpu *CpuL07Model::createCpu(simgrid::s4u::Host *host,  xbt_dynar_t powerPeakList,
 304                           int pstate, double power_scale,
 305                           tmgr_trace_t power_trace, int core,
 306                           int initiallyOn,
 307                           tmgr_trace_t state_trace)
 308 {
 309   CpuL07 *cpu = new CpuL07(this, host, powerPeakList, pstate, power_scale, power_trace,
 310                          core, initiallyOn, state_trace);
 311   return cpu;
 312 }
 313
 314 Link* NetworkL07Model::createLink(const char *name,
 315                                  double bw_initial,
 316                                  tmgr_trace_t bw_trace,
 317                                  double lat_initial,
 318                                  tmgr_trace_t lat_trace,
 319                                  int initiallyOn,
 320                                  tmgr_trace_t state_trace,
 321                                  e_surf_link_sharing_policy_t policy,
 322                                  xbt_dict_t properties)
 323 {
 324   xbt_assert(!Link::byName(name),
 325                  "Link '%s' declared several times in the platform file.", name);
 326
 327   Link* link = new LinkL07(this, name, properties,
 328                              bw_initial, bw_trace,
 329                                          lat_initial, lat_trace,
 330                                          initiallyOn, state_trace,
 331                                          policy);
 332   Link::onCreation(link);
 333   return link;
 334 }
 335
 336 void HostL07Model::addTraces()
 337 {
 338   xbt_dict_cursor_t cursor = NULL;
 339   char *trace_name, *elm;
 340
 341   if (!trace_connect_list_host_avail)
 342     return;
 343
 344   /* Connect traces relative to cpu */
 345   xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 346     tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
 347     CpuL07 *host = static_cast<CpuL07*>(sg_host_by_name(elm)->pimpl_cpu);
 348
 349     xbt_assert(host, "Host %s undefined", elm);
 350     xbt_assert(trace, "Trace %s undefined", trace_name);
 351
 352     host->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 353   }
 354
 355   xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 356     tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
 357     CpuL07 *host = static_cast<CpuL07*>(sg_host_by_name(elm)->pimpl_cpu);
 358
 359     xbt_assert(host, "Host %s undefined", elm);
 360     xbt_assert(trace, "Trace %s undefined", trace_name);
 361
 362     host->p_speedEvent = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 363   }
 364
 365   /* Connect traces relative to network */
 366   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 367     tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
 368     LinkL07 *link = static_cast<LinkL07*>(Link::byName(elm));
 369
 370     xbt_assert(link, "Link %s undefined", elm);
 371     xbt_assert(trace, "Trace %s undefined", trace_name);
 372
 373     link->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 374   }
 375
 376   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 377     tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
 378     LinkL07 *link = static_cast<LinkL07*>(Link::byName(elm));
 379
 380     xbt_assert(link, "Link %s undefined", elm);
 381     xbt_assert(trace, "Trace %s undefined", trace_name);
 382
 383     link->p_bwEvent = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 384   }
 385
 386   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 387     tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
 388     LinkL07 *link = static_cast<LinkL07*>(Link::byName(elm));
 389
 390     xbt_assert(link, "Link %s undefined", elm);
 391     xbt_assert(trace, "Trace %s undefined", trace_name);
 392
 393     link->p_latEvent = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 394   }
 395 }
 396
 397 /************
 398  * Resource *
 399  ************/
 400
 401 CpuL07::CpuL07(CpuL07Model *model, simgrid::s4u::Host *host,
 402                      xbt_dynar_t speedPeakList, int pstate,
 403                                  double speedScale, tmgr_trace_t speedTrace,
 404                          int core, int initiallyOn, tmgr_trace_t state_trace)
 405  : Cpu(model, host, speedPeakList, pstate,
 406            core, xbt_dynar_get_as(speedPeakList,pstate,double), speedScale, initiallyOn)
 407 {
 408   p_constraint = lmm_constraint_new(model->getMaxminSystem(), this, xbt_dynar_get_as(speedPeakList,pstate,double) * speedScale);
 409
 410   if (speedTrace)
 411     p_speedEvent = tmgr_history_add_trace(history, speedTrace, 0.0, 0, this);
 412   else
 413     p_speedEvent = NULL;
 414
 415   if (state_trace)
 416         p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, this);
 417 }
 418
 419 CpuL07::~CpuL07()
 420 {
 421 }
 422
 423 LinkL07::LinkL07(NetworkL07Model *model, const char* name, xbt_dict_t props,
 424                          double bw_initial,
 425                          tmgr_trace_t bw_trace,
 426                          double lat_initial,
 427                          tmgr_trace_t lat_trace,
 428                          int initiallyOn,
 429                          tmgr_trace_t state_trace,
 430                          e_surf_link_sharing_policy_t policy)
 431  : Link(model, name, props, lmm_constraint_new(model->getMaxminSystem(), this, bw_initial), history, state_trace)
 432 {
 433   m_bwCurrent = bw_initial;
 434   if (bw_trace)
 435     p_bwEvent = tmgr_history_add_trace(history, bw_trace, 0.0, 0, this);
 436
 437   if (initiallyOn)
 438     turnOn();
 439   else
 440     turnOff();
 441   m_latCurrent = lat_initial;
 442
 443   if (lat_trace)
 444         p_latEvent = tmgr_history_add_trace(history, lat_trace, 0.0, 0, this);
 445
 446   if (policy == SURF_LINK_FATPIPE)
 447         lmm_constraint_shared(getConstraint());
 448 }
 449
 450 Action *CpuL07::execute(double size)
 451 {
 452   sg_host_t*host_list = xbt_new0(sg_host_t, 1);
 453   double *flops_amount = xbt_new0(double, 1);
 454   double *bytes_amount = xbt_new0(double, 1);
 455
 456   host_list[0] = getHost();
 457   flops_amount[0] = size;
 458
 459   return static_cast<CpuL07Model*>(getModel())
 460     ->p_hostModel
 461     ->executeParallelTask( 1, host_list, flops_amount, bytes_amount, -1);
 462 }
 463
 464 Action *CpuL07::sleep(double duration)
 465 {
 466   L07Action *action = NULL;
 467
 468   XBT_IN("(%s,%g)", getName(), duration);
 469
 470   action = static_cast<L07Action*>(execute(1.0));
 471   action->m_maxDuration = duration;
 472   action->m_suspended = 2;
 473   lmm_update_variable_weight(getModel()->getMaxminSystem(), action->getVariable(), 0.0);
 474
 475   XBT_OUT();
 476   return action;
 477 }
 478
 479 bool CpuL07::isUsed(){
 480   return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
 481 }
 482
 483 /** @brief take into account changes of speed (either load or max) */
 484 void CpuL07::onSpeedChange() {
 485         lmm_variable_t var = NULL;
 486         lmm_element_t elem = NULL;
 487
 488     lmm_update_constraint_bound(getModel()->getMaxminSystem(), getConstraint(), m_speedPeak * m_speedScale);
 489     while ((var = lmm_get_var_from_cnst
 490             (getModel()->getMaxminSystem(), getConstraint(), &elem))) {
 491       Action *action = static_cast<Action*>(lmm_variable_id(var));
 492
 493       lmm_update_variable_bound(getModel()->getMaxminSystem(),
 494                                 action->getVariable(),
 495                                 m_speedScale * m_speedPeak);
 496     }
 497
 498         Cpu::onSpeedChange();
 499 }
 500
 501
 502 bool LinkL07::isUsed(){
 503   return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
 504 }
 505
 506 void CpuL07::updateState(tmgr_trace_event_t event_type, double value, double /*date*/){
 507   XBT_DEBUG("Updating cpu %s (%p) with value %g", getName(), this, value);
 508   if (event_type == p_speedEvent) {
 509         m_speedScale = value;
 510         onSpeedChange();
 511     if (tmgr_trace_event_free(event_type))
 512       p_speedEvent = NULL;
 513   } else if (event_type == p_stateEvent) {
 514     if (value > 0)
 515       turnOn();
 516     else
 517       turnOff();
 518     if (tmgr_trace_event_free(event_type))
 519       p_stateEvent = NULL;
 520   } else {
 521     XBT_CRITICAL("Unknown event ! \n");
 522     xbt_abort();
 523   }
 524   return;
 525 }
 526
 527 void LinkL07::updateState(tmgr_trace_event_t event_type, double value, double date) {
 528   XBT_DEBUG("Updating link %s (%p) with value=%f for date=%g", getName(), this, value, date);
 529   if (event_type == p_bwEvent) {
 530     updateBandwidth(value, date);
 531     if (tmgr_trace_event_free(event_type))
 532       p_bwEvent = NULL;
 533   } else if (event_type == p_latEvent) {
 534     updateLatency(value, date);
 535     if (tmgr_trace_event_free(event_type))
 536       p_latEvent = NULL;
 537   } else if (event_type == p_stateEvent) {
 538     if (value > 0)
 539       turnOn();
 540     else
 541       turnOff();
 542     if (tmgr_trace_event_free(event_type))
 543       p_stateEvent = NULL;
 544   } else {
 545     XBT_CRITICAL("Unknown event ! \n");
 546     xbt_abort();
 547   }
 548   return;
 549 }
 550
 551 double LinkL07::getBandwidth()
 552 {
 553   return m_bwCurrent;
 554 }
 555
 556 void LinkL07::updateBandwidth(double value, double date)
 557 {
 558   m_bwCurrent = value;
 559   lmm_update_constraint_bound(getModel()->getMaxminSystem(), getConstraint(), m_bwCurrent);
 560 }
 561
 562 void LinkL07::updateLatency(double value, double date)
 563 {
 564   lmm_variable_t var = NULL;
 565   L07Action *action;
 566   lmm_element_t elem = NULL;
 567
 568   m_latCurrent = value;
 569   while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), getConstraint(), &elem))) {
 570     action = static_cast<L07Action*>(lmm_variable_id(var));
 571     action->updateBound();
 572   }
 573 }
 574
 575 /**********
 576  * Action *
 577  **********/
 578
 579 L07Action::~L07Action(){
 580   free(p_communicationAmount);
 581   free(p_computationAmount);
 582 }
 583
 584 void L07Action::updateBound()
 585 {
 586   double lat_current = 0.0;
 587   double lat_bound = -1.0;
 588   int i, j;
 589
 590   int hostNb = p_netcardList->size();
 591
 592   for (i = 0; i < hostNb; i++) {
 593     for (j = 0; j < hostNb; j++) {
 594       xbt_dynar_t route=NULL;
 595
 596       if (p_communicationAmount[i * hostNb + j] > 0) {
 597         double lat = 0.0;
 598         routing_platf->getRouteAndLatency((*p_netcardList)[i], (*p_netcardList)[j],
 599                                                           &route, &lat);
 600
 601         lat_current = MAX(lat_current, lat * p_communicationAmount[i * hostNb + j]);
 602       }
 603     }
 604   }
 605   lat_bound = sg_tcp_gamma / (2.0 * lat_current);
 606   XBT_DEBUG("action (%p) : lat_bound = %g", this, lat_bound);
 607   if ((m_latency == 0.0) && (m_suspended == 0)) {
 608     if (m_rate < 0)
 609       lmm_update_variable_bound(getModel()->getMaxminSystem(), getVariable(), lat_bound);
 610     else
 611       lmm_update_variable_bound(getModel()->getMaxminSystem(), getVariable(),
 612         std::min(m_rate, lat_bound));
 613   }
 614 }
 615
 616 int L07Action::unref()
 617 {
 618   m_refcount--;
 619   if (!m_refcount) {
 620     if (action_hook.is_linked())
 621           p_stateSet->erase(p_stateSet->iterator_to(*this));
 622     if (getVariable())
 623       lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
 624     delete this;
 625     return 1;
 626   }
 627   return 0;
 628 }
 629
 630 void L07Action::suspend()
 631 {
 632   XBT_IN("(%p))", this);
 633   if (m_suspended != 2) {
 634     m_suspended = 1;
 635     lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
 636   }
 637   XBT_OUT();
 638 }
 639
 640 void L07Action::resume()
 641 {
 642   XBT_IN("(%p)", this);
 643   if (m_suspended != 2) {
 644     lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 1.0);
 645     m_suspended = 0;
 646   }
 647   XBT_OUT();
 648 }
 649
 650 void L07Action::setMaxDuration(double duration)
 651 {                               /* FIXME: should inherit */
 652   XBT_IN("(%p,%g)", this, duration);
 653   m_maxDuration = duration;
 654   XBT_OUT();
 655 }
 656
 657 void L07Action::setPriority(double priority)
 658 {                               /* FIXME: should inherit */
 659   XBT_IN("(%p,%g)", this, priority);
 660   m_priority = priority;
 661   XBT_OUT();
 662 }
 663
 664 double L07Action::getRemains()
 665 {
 666   XBT_IN("(%p)", this);
 667   XBT_OUT();
 668   return m_remains;
 669 }
 670
 671 }
 672 }