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