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
  17 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_host);
  18
  19 lmm_system_t ptask_maxmin_system = NULL;
  20
  21
  22 /**************************************/
  23 /*** Resource Creation & Destruction **/
  24 /**************************************/
  25
  26 static void ptask_netlink_parse_init(sg_platf_link_cbarg_t link)
  27 {
  28   netlink_parse_init(link);
  29   current_property_set = NULL;
  30 }
  31
  32 void surf_host_model_init_ptask_L07(void)
  33 {
  34   XBT_INFO("Switching to the L07 model to handle parallel tasks.");
  35   xbt_assert(!surf_cpu_model_pm, "CPU model type already defined");
  36   xbt_assert(!surf_network_model, "network model type already defined");
  37
  38   // Define the callbacks to parse the XML
  39   sg_platf_link_add_cb(ptask_netlink_parse_init);
  40   sg_platf_postparse_add_cb(host_add_traces);
  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   if (!ptask_maxmin_system)
  52         ptask_maxmin_system = lmm_system_new(1);
  53   p_maxminSystem = ptask_maxmin_system;
  54   surf_network_model = new NetworkL07Model(this,ptask_maxmin_system);
  55   surf_cpu_model_pm = new CpuL07Model(this,ptask_maxmin_system);
  56
  57   routing_model_create(surf_network_model->createLink("__loopback__",
  58                                                           498000000, NULL,
  59                                                           0.000015, NULL,
  60                                                           SURF_RESOURCE_ON, NULL,
  61                                                           SURF_LINK_FATPIPE, NULL));
  62 }
  63
  64 HostL07Model::~HostL07Model() {
  65   delete surf_cpu_model_pm;
  66   delete surf_network_model;
  67
  68   ptask_maxmin_system = NULL; // freed as part of ~Model (it's also stored as p_maxminSystem)
  69 }
  70
  71 CpuL07Model::CpuL07Model(HostL07Model *hmodel,lmm_system_t sys)
  72         : CpuModel()
  73         , p_hostModel(hmodel)
  74         {
  75           p_maxminSystem = sys;
  76         }
  77 CpuL07Model::~CpuL07Model() {
  78         surf_cpu_model_pm = NULL;
  79         p_maxminSystem = NULL; // Avoid multi-free
  80 }
  81 NetworkL07Model::NetworkL07Model(HostL07Model *hmodel, lmm_system_t sys)
  82         : NetworkModel()
  83         , p_hostModel(hmodel)
  84         {
  85           p_maxminSystem = sys;
  86         }
  87 NetworkL07Model::~NetworkL07Model()
  88 {
  89         surf_network_model = NULL;
  90         p_maxminSystem = NULL; // Avoid multi-free
  91 }
  92
  93
  94 double HostL07Model::shareResources(double /*now*/)
  95 {
  96   L07Action *action;
  97
  98   ActionList *running_actions = getRunningActionSet();
  99   double min = this->shareResourcesMaxMin(running_actions,
 100                                               ptask_maxmin_system,
 101                                               bottleneck_solve);
 102
 103   for(ActionList::iterator it(running_actions->begin()), itend(running_actions->end())
 104          ; it != itend ; ++it) {
 105         action = static_cast<L07Action*>(&*it);
 106     if (action->m_latency > 0) {
 107       if (min < 0) {
 108         min = action->m_latency;
 109         XBT_DEBUG("Updating min (value) with %p (start %f): %f", action,
 110                action->getStartTime(), min);
 111       } else if (action->m_latency < min) {
 112         min = action->m_latency;
 113         XBT_DEBUG("Updating min (latency) with %p (start %f): %f", action,
 114                action->getStartTime(), min);
 115       }
 116     }
 117   }
 118
 119   XBT_DEBUG("min value : %f", min);
 120
 121   return min;
 122 }
 123
 124 void HostL07Model::updateActionsState(double /*now*/, double delta) {
 125
 126   L07Action *action;
 127   ActionList *actionSet = getRunningActionSet();
 128
 129   for(ActionList::iterator it = actionSet->begin(), itNext = it
 130          ; it != actionSet->end()
 131          ; it =  itNext) {
 132         ++itNext;
 133     action = static_cast<L07Action*>(&*it);
 134     if (action->m_latency > 0) {
 135       if (action->m_latency > delta) {
 136         double_update(&(action->m_latency), delta, sg_surf_precision);
 137       } else {
 138         action->m_latency = 0.0;
 139       }
 140       if ((action->m_latency == 0.0) && (action->isSuspended() == 0)) {
 141         action->updateBound();
 142         lmm_update_variable_weight(ptask_maxmin_system, action->getVariable(), 1.0);
 143       }
 144     }
 145     XBT_DEBUG("Action (%p) : remains (%g) updated by %g.",
 146            action, action->getRemains(), lmm_variable_getvalue(action->getVariable()) * delta);
 147     action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
 148
 149     if (action->getMaxDuration() != NO_MAX_DURATION)
 150       action->updateMaxDuration(delta);
 151
 152     XBT_DEBUG("Action (%p) : remains (%g).", action, action->getRemains());
 153
 154     /* In the next if cascade, the action can be finished either because:
 155      *  - The amount of remaining work reached 0
 156      *  - The max duration was reached
 157      * If it's not done, it may have failed.
 158      */
 159
 160     if ((action->getRemains() <= 0) &&
 161         (lmm_get_variable_weight(action->getVariable()) > 0)) {
 162       action->finish();
 163       action->setState(SURF_ACTION_DONE);
 164     } else if ((action->getMaxDuration() != NO_MAX_DURATION) &&
 165                (action->getMaxDuration() <= 0)) {
 166       action->finish();
 167       action->setState(SURF_ACTION_DONE);
 168     } else {
 169       /* Need to check that none of the model has failed */
 170       lmm_constraint_t cnst = NULL;
 171       int i = 0;
 172
 173       while ((cnst = lmm_get_cnst_from_var(ptask_maxmin_system, action->getVariable(), i++))) {
 174         void *constraint_id = lmm_constraint_id(cnst);
 175
 176         if (static_cast<Host*>(constraint_id)->getState() == SURF_RESOURCE_OFF) {
 177           XBT_DEBUG("Action (%p) Failed!!", action);
 178           action->finish();
 179           action->setState(SURF_ACTION_FAILED);
 180           break;
 181         }
 182       }
 183     }
 184   }
 185   return;
 186 }
 187
 188 Action *HostL07Model::executeParallelTask(int host_nb,
 189                                           sg_host_t*host_list,
 190                                                                                   double *flops_amount,
 191                                                                                   double *bytes_amount,
 192                                                                                   double rate)
 193 {
 194   L07Action *action = new L07Action(this, 1, 0);
 195   unsigned int cpt;
 196   int nb_link = 0;
 197   int nb_used_host = 0; /* Only the hosts with something to compute (>0 flops) are counted) */
 198   double latency = 0.0;
 199
 200   xbt_dict_t ptask_parallel_task_link_set = xbt_dict_new_homogeneous(NULL);
 201
 202   action->p_edgeList->reserve(host_nb);
 203   for (int i = 0; i<host_nb; i++)
 204           action->p_edgeList->push_back(sg_host_edge(host_list[i]));
 205
 206   /* Compute the number of affected resources... */
 207   for (int i = 0; i < host_nb; i++) {
 208     for (int j = 0; j < host_nb; j++) {
 209       xbt_dynar_t route=NULL;
 210
 211       if (bytes_amount[i * host_nb + j] > 0) {
 212         double lat=0.0;
 213         unsigned int cpt;
 214         void *_link;
 215         LinkL07 *link;
 216
 217         routing_platf->getRouteAndLatency((*action->p_edgeList)[i], (*action->p_edgeList)[j],
 218                                                   &route, &lat);
 219         latency = MAX(latency, lat);
 220
 221         xbt_dynar_foreach(route, cpt, _link) {
 222            link = static_cast<LinkL07*>(_link);
 223            xbt_dict_set(ptask_parallel_task_link_set, link->getName(), link, NULL);
 224         }
 225       }
 226     }
 227   }
 228
 229   nb_link = xbt_dict_length(ptask_parallel_task_link_set);
 230   xbt_dict_free(&ptask_parallel_task_link_set);
 231
 232   for (int i = 0; i < host_nb; i++)
 233     if (flops_amount[i] > 0)
 234       nb_used_host++;
 235
 236   XBT_DEBUG("Creating a parallel task (%p) with %d cpus and %d links.",
 237          action, host_nb, nb_link);
 238   action->m_suspended = 0; /* valgrind seems to want it despite the calloc... */
 239   action->p_computationAmount = flops_amount;
 240   action->p_communicationAmount = bytes_amount;
 241   action->m_latency = latency;
 242   action->m_rate = rate;
 243
 244   action->p_variable = lmm_variable_new(ptask_maxmin_system, action, 1.0,
 245                                         (rate > 0 ? rate : -1.0),
 246                                                                                 host_nb + nb_link);
 247
 248   if (action->m_latency > 0)
 249     lmm_update_variable_weight(ptask_maxmin_system, action->getVariable(), 0.0);
 250
 251   for (int i = 0; i < host_nb; i++)
 252     lmm_expand(ptask_maxmin_system,
 253                sg_host_surfcpu(host_list[i])->getConstraint(),
 254                action->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((*action->p_edgeList)[i], (*action->p_edgeList)[j],
 265                                             &route, NULL);
 266
 267       xbt_dynar_foreach(route, cpt, _link) {
 268         LinkL07 *link = static_cast<LinkL07*>(_link);
 269         lmm_expand_add(ptask_maxmin_system, link->getConstraint(),
 270                        action->getVariable(),
 271                        bytes_amount[i * host_nb + j]);
 272       }
 273     }
 274   }
 275
 276   if (nb_link + nb_used_host == 0) {
 277     action->setCost(1.0);
 278     action->setRemains(0.0);
 279   }
 280
 281   return action;
 282 }
 283
 284 Action *NetworkL07Model::communicate(RoutingEdge *src, RoutingEdge *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::Host *host,  xbt_dynar_t powerPeakList,
 304                           int pstate, double power_scale,
 305                           tmgr_trace_t power_trace, int core,
 306                           e_surf_resource_state_t state_initial,
 307                           tmgr_trace_t state_trace)
 308 {
 309   CpuL07 *cpu = new CpuL07(this, host, powerPeakList, pstate, power_scale, power_trace,
 310                          core, state_initial, 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                                  e_surf_resource_state_t state_initial,
 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                                          state_initial, 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_surfcpu(sg_host_by_name(elm)));
 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_surfcpu(sg_host_by_name(elm)));
 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::Host *host,
 402                      xbt_dynar_t speedPeakList, int pstate,
 403                                  double speedScale, tmgr_trace_t speedTrace,
 404                          int core, e_surf_resource_state_t state_initial, tmgr_trace_t state_trace)
 405  : Cpu(model, host, speedPeakList, pstate,
 406            core, xbt_dynar_get_as(speedPeakList,pstate,double), speedScale, state_initial)
 407 {
 408   xbt_assert(m_speedScale > 0, "Power has to be >0");
 409   p_constraint = lmm_constraint_new(ptask_maxmin_system, this, xbt_dynar_get_as(speedPeakList,pstate,double) * speedScale);
 410
 411   if (speedTrace)
 412     p_speedEvent = tmgr_history_add_trace(history, speedTrace, 0.0, 0, this);
 413   else
 414     p_speedEvent = NULL;
 415
 416   if (state_trace)
 417         p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, this);
 418 }
 419
 420 CpuL07::~CpuL07()
 421 {
 422 }
 423
 424 LinkL07::LinkL07(NetworkL07Model *model, const char* name, xbt_dict_t props,
 425                          double bw_initial,
 426                          tmgr_trace_t bw_trace,
 427                          double lat_initial,
 428                          tmgr_trace_t lat_trace,
 429                          e_surf_resource_state_t state_initial,
 430                          tmgr_trace_t state_trace,
 431                          e_surf_link_sharing_policy_t policy)
 432  : Link(model, name, props, lmm_constraint_new(ptask_maxmin_system, this, bw_initial), history, state_trace)
 433 {
 434   m_bwCurrent = bw_initial;
 435   if (bw_trace)
 436     p_bwEvent = tmgr_history_add_trace(history, bw_trace, 0.0, 0, this);
 437
 438   setState(state_initial);
 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(ptask_maxmin_system, action->getVariable(), 0.0);
 472
 473   XBT_OUT();
 474   return action;
 475 }
 476
 477 bool CpuL07::isUsed(){
 478   return lmm_constraint_used(ptask_maxmin_system, getConstraint());
 479 }
 480
 481 bool LinkL07::isUsed(){
 482   return lmm_constraint_used(ptask_maxmin_system, getConstraint());
 483 }
 484
 485 void CpuL07::updateState(tmgr_trace_event_t event_type, double value, double /*date*/){
 486   XBT_DEBUG("Updating cpu %s (%p) with value %g", getName(), this, value);
 487   if (event_type == p_speedEvent) {
 488           m_speedScale = value;
 489     lmm_update_constraint_bound(ptask_maxmin_system, getConstraint(), m_speedPeak * m_speedScale);
 490     if (tmgr_trace_event_free(event_type))
 491       p_speedEvent = NULL;
 492   } else if (event_type == p_stateEvent) {
 493     if (value > 0)
 494       setState(SURF_RESOURCE_ON);
 495     else
 496       setState(SURF_RESOURCE_OFF);
 497     if (tmgr_trace_event_free(event_type))
 498       p_stateEvent = NULL;
 499   } else {
 500     XBT_CRITICAL("Unknown event ! \n");
 501     xbt_abort();
 502   }
 503   return;
 504 }
 505
 506 void LinkL07::updateState(tmgr_trace_event_t event_type, double value, double date) {
 507   XBT_DEBUG("Updating link %s (%p) with value=%f for date=%g", getName(), this, value, date);
 508   if (event_type == p_bwEvent) {
 509     updateBandwidth(value, date);
 510     if (tmgr_trace_event_free(event_type))
 511       p_bwEvent = NULL;
 512   } else if (event_type == p_latEvent) {
 513     updateLatency(value, date);
 514     if (tmgr_trace_event_free(event_type))
 515       p_latEvent = NULL;
 516   } else if (event_type == p_stateEvent) {
 517     if (value > 0)
 518       setState(SURF_RESOURCE_ON);
 519     else
 520       setState(SURF_RESOURCE_OFF);
 521     if (tmgr_trace_event_free(event_type))
 522       p_stateEvent = NULL;
 523   } else {
 524     XBT_CRITICAL("Unknown event ! \n");
 525     xbt_abort();
 526   }
 527   return;
 528 }
 529
 530 double LinkL07::getBandwidth()
 531 {
 532   return m_bwCurrent;
 533 }
 534
 535 void LinkL07::updateBandwidth(double value, double date)
 536 {
 537   m_bwCurrent = value;
 538   lmm_update_constraint_bound(ptask_maxmin_system, getConstraint(), m_bwCurrent);
 539 }
 540
 541 void LinkL07::updateLatency(double value, double date)
 542 {
 543   lmm_variable_t var = NULL;
 544   L07Action *action;
 545   lmm_element_t elem = NULL;
 546
 547   m_latCurrent = value;
 548   while ((var = lmm_get_var_from_cnst(ptask_maxmin_system, getConstraint(), &elem))) {
 549     action = static_cast<L07Action*>(lmm_variable_id(var));
 550     action->updateBound();
 551   }
 552 }
 553
 554 /**********
 555  * Action *
 556  **********/
 557
 558 L07Action::~L07Action(){
 559   free(p_communicationAmount);
 560   free(p_computationAmount);
 561 }
 562
 563 void L07Action::updateBound()
 564 {
 565   double lat_current = 0.0;
 566   double lat_bound = -1.0;
 567   int i, j;
 568
 569   int hostNb = p_edgeList->size();
 570
 571   for (i = 0; i < hostNb; i++) {
 572     for (j = 0; j < hostNb; j++) {
 573       xbt_dynar_t route=NULL;
 574
 575       if (p_communicationAmount[i * hostNb + j] > 0) {
 576         double lat = 0.0;
 577         routing_platf->getRouteAndLatency((*p_edgeList)[i], (*p_edgeList)[j],
 578                                                           &route, &lat);
 579
 580         lat_current = MAX(lat_current, lat * p_communicationAmount[i * hostNb + j]);
 581       }
 582     }
 583   }
 584   lat_bound = sg_tcp_gamma / (2.0 * lat_current);
 585   XBT_DEBUG("action (%p) : lat_bound = %g", this, lat_bound);
 586   if ((m_latency == 0.0) && (m_suspended == 0)) {
 587     if (m_rate < 0)
 588       lmm_update_variable_bound(ptask_maxmin_system, getVariable(), lat_bound);
 589     else
 590       lmm_update_variable_bound(ptask_maxmin_system, getVariable(),
 591         std::min(m_rate, lat_bound));
 592   }
 593 }
 594
 595 int L07Action::unref()
 596 {
 597   m_refcount--;
 598   if (!m_refcount) {
 599     if (action_hook.is_linked())
 600           p_stateSet->erase(p_stateSet->iterator_to(*this));
 601     if (getVariable())
 602       lmm_variable_free(ptask_maxmin_system, getVariable());
 603     delete this;
 604     return 1;
 605   }
 606   return 0;
 607 }
 608
 609 void L07Action::cancel()
 610 {
 611   setState(SURF_ACTION_FAILED);
 612   return;
 613 }
 614
 615 void L07Action::suspend()
 616 {
 617   XBT_IN("(%p))", this);
 618   if (m_suspended != 2) {
 619     m_suspended = 1;
 620     lmm_update_variable_weight(ptask_maxmin_system, getVariable(), 0.0);
 621   }
 622   XBT_OUT();
 623 }
 624
 625 void L07Action::resume()
 626 {
 627   XBT_IN("(%p)", this);
 628   if (m_suspended != 2) {
 629     lmm_update_variable_weight(ptask_maxmin_system, getVariable(), 1.0);
 630     m_suspended = 0;
 631   }
 632   XBT_OUT();
 633 }
 634
 635 bool L07Action::isSuspended()
 636 {
 637   return m_suspended == 1;
 638 }
 639
 640 void L07Action::setMaxDuration(double duration)
 641 {                               /* FIXME: should inherit */
 642   XBT_IN("(%p,%g)", this, duration);
 643   m_maxDuration = duration;
 644   XBT_OUT();
 645 }
 646
 647 void L07Action::setPriority(double priority)
 648 {                               /* FIXME: should inherit */
 649   XBT_IN("(%p,%g)", this, priority);
 650   m_priority = priority;
 651   XBT_OUT();
 652 }
 653
 654 double L07Action::getRemains()
 655 {
 656   XBT_IN("(%p)", this);
 657   XBT_OUT();
 658   return m_remains;
 659 }
 660
 661 }
 662 }