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