1 /* Copyright (c) 2004-2015. The SimGrid Team.
2 * All rights reserved. */
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. */
7 #include "surf_private.h"
8 #include "surf_interface.hpp"
9 #include "network_interface.hpp"
10 #include "cpu_interface.hpp"
11 #include "host_interface.hpp"
12 #include "src/simix/smx_host_private.h"
13 #include "surf_routing.hpp"
14 #include "simgrid/sg_config.h"
16 #include "virtual_machine.hpp"
18 XBT_LOG_NEW_CATEGORY(surf, "All SURF categories");
19 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf,
20 "Logging specific to SURF (kernel)");
26 /* model_list_invoke contains only surf_host and surf_vm.
27 * The callback functions of cpu_model and network_model will be called from
28 * those of these host models. */
29 xbt_dynar_t all_existing_models = NULL; /* to destroy models correctly */
30 xbt_dynar_t model_list_invoke = NULL; /* for invoking callbacks */
32 tmgr_history_t history = NULL;
33 lmm_system_t maxmin_system = NULL;
34 xbt_dynar_t surf_path = NULL;
35 xbt_dynar_t host_that_restart = NULL;
36 xbt_dict_t watched_hosts_lib;
41 simgrid::surf::signal<void(void)> surfExitCallbacks;
46 #include <simgrid/plugins/energy.h> // FIXME: this plugin should not be linked to the core
48 s_surf_model_description_t surf_plugin_description[] = {
49 {"Energy", "Cpu energy consumption.", sg_energy_plugin_init},
50 {NULL, NULL, NULL} /* this array must be NULL terminated */
53 /* Don't forget to update the option description in smx_config when you change
55 s_surf_model_description_t surf_network_model_description[] = {
57 "Realistic network analytic model (slow-start modeled by multiplying latency by 10.4, bandwidth by .92; bottleneck sharing uses a payload of S=8775 for evaluating RTT). ",
58 surf_network_model_init_LegrandVelho},
60 "Simplistic network model where all communication take a constant time (one second). This model provides the lowest realism, but is (marginally) faster.",
61 surf_network_model_init_Constant},
63 "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)",
64 surf_network_model_init_SMPI},
66 "Realistic network model specifically tailored for HPC settings, with Infiniband contention model",
67 surf_network_model_init_IB},
69 "Legacy network analytic model (Very similar to LV08, but without corrective factors. The timings of small messages are thus poorly modeled).",
70 surf_network_model_init_CM02},
73 "Network pseudo-model using the NS3 tcp model instead of an analytic model",
74 surf_network_model_init_NS3},
77 "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
78 surf_network_model_init_Reno},
80 "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
81 surf_network_model_init_Reno2},
83 "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
84 surf_network_model_init_Vegas},
85 {NULL, NULL, NULL} /* this array must be NULL terminated */
88 s_surf_model_description_t surf_cpu_model_description[] = {
90 "Simplistic CPU model (time=size/power).",
91 surf_cpu_model_init_Cas01},
92 {NULL, NULL, NULL} /* this array must be NULL terminated */
95 s_surf_model_description_t surf_host_model_description[] = {
97 "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)",
98 surf_host_model_init_current_default},
100 "Host model that is automatically chosen if you change the network and CPU models",
101 surf_host_model_init_compound},
102 {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks",
103 surf_host_model_init_ptask_L07},
104 {NULL, NULL, NULL} /* this array must be NULL terminated */
107 s_surf_model_description_t surf_vm_model_description[] = {
110 surf_vm_model_init_HL13},
111 {NULL, NULL, NULL} /* this array must be NULL terminated */
114 s_surf_model_description_t surf_optimization_mode_description[] = {
116 "Lazy action management (partial invalidation in lmm + heap in action remaining).",
119 "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU model for now).",
122 "Full update of remaining and variables. Slow but may be useful when debugging.",
124 {NULL, NULL, NULL} /* this array must be NULL terminated */
127 s_surf_model_description_t surf_storage_model_description[] = {
129 "Simplistic storage model.",
130 surf_storage_model_init_default},
131 {NULL, NULL, NULL} /* this array must be NULL terminated */
134 #ifdef CONTEXT_THREADS
135 static xbt_parmap_t surf_parmap = NULL; /* parallel map on models */
140 double surf_get_clock(void)
146 # define FILE_DELIM "\\"
148 # define FILE_DELIM "/" /* FIXME: move to better location */
151 FILE *surf_fopen(const char *name, const char *mode)
154 char *path_elm = NULL;
160 if (__surf_is_absolute_file_path(name)) /* don't mess with absolute file names */
161 return fopen(name, mode);
163 /* search relative files in the path */
164 xbt_dynar_foreach(surf_path, cpt, path_elm) {
165 buff = bprintf("%s" FILE_DELIM "%s", path_elm, name);
166 file = fopen(buff, mode);
178 static const char *disk_drives_letter_table[MAX_DRIVE] = {
179 "A:\\","B:\\","C:\\","D:\\","E:\\","F:\\","G:\\","H:\\","I:\\","J:\\","K:\\","L:\\","M:\\",
180 "N:\\","O:\\","P:\\","Q:\\","R:\\","S:\\","T:\\","U:\\","V:\\","W:\\","X:\\","Y:\\","Z:\\"
185 * Returns the initial path. On Windows the initial path is
186 * the current directory for the current process in the other
187 * case the function returns "./" that represents the current
188 * directory on Unix/Linux platforms.
191 const char *__surf_get_initial_path(void)
196 char current_directory[MAX_PATH + 1] = { 0 };
197 unsigned int len = GetCurrentDirectory(MAX_PATH + 1, current_directory);
198 char root[4] = { 0 };
203 strncpy(root, current_directory, 3);
205 for (i = 0; i < MAX_DRIVE; i++) {
206 if (toupper(root[0]) == disk_drives_letter_table[i][0])
207 return disk_drives_letter_table[i];
216 /* The __surf_is_absolute_file_path() returns 1 if
217 * file_path is a absolute file path, in the other
218 * case the function returns 0.
220 int __surf_is_absolute_file_path(const char *file_path)
223 WIN32_FIND_DATA wfd = { 0 };
224 HANDLE hFile = FindFirstFile(file_path, &wfd);
226 if (INVALID_HANDLE_VALUE == hFile)
232 return (file_path[0] == '/');
236 /** Displays the long description of all registered models, and quit */
237 void model_help(const char *category, s_surf_model_description_t * table)
240 printf("Long description of the %s models accepted by this simulator:\n",
242 for (i = 0; table[i].name; i++)
243 printf(" %s: %s\n", table[i].name, table[i].description);
246 int find_model_description(s_surf_model_description_t * table,
250 char *name_list = NULL;
252 for (i = 0; table[i].name; i++)
253 if (!strcmp(name, table[i].name)) {
257 xbt_die("No model is valid! This is a bug.");
258 name_list = xbt_strdup(table[0].name);
259 for (i = 1; table[i].name; i++) {
260 name_list = (char *) xbt_realloc(name_list, strlen(name_list) + strlen(table[i].name) + 3);
261 strcat(name_list, ", ");
262 strcat(name_list, table[i].name);
264 xbt_die("Model '%s' is invalid! Valid models are: %s.", name, name_list);
268 static XBT_INLINE void routing_asr_prop_free(void *p)
270 //xbt_dict_t elm = (xbt_dict_t) p;
271 //xbt_dict_free(&elm); FIXME: leaking in some case? That's a sometimes double-free with AsCluster::~AsCluster
274 static XBT_INLINE void surf_storage_free(void *r)
276 delete static_cast<simgrid::surf::Storage*>(r);
279 void sg_version_check(int lib_version_major,int lib_version_minor,int lib_version_patch) {
280 if ((lib_version_major != SIMGRID_VERSION_MAJOR) || (lib_version_minor != SIMGRID_VERSION_MINOR)) {
282 "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
283 "and then linked against SimGrid %d.%d.%d. Please fix this.\n",
284 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,
285 lib_version_major,lib_version_minor,lib_version_patch);
288 if (lib_version_patch != SIMGRID_VERSION_PATCH) {
290 "Warning: Your program was compiled with SimGrid version %d.%d.%d, "
291 "and then linked against SimGrid %d.%d.%d. Proceeding anyway.\n",
292 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,
293 lib_version_major,lib_version_minor,lib_version_patch);
297 void sg_version(int *ver_major,int *ver_minor,int *ver_patch) {
298 *ver_major = SIMGRID_VERSION_MAJOR;
299 *ver_minor = SIMGRID_VERSION_MINOR;
300 *ver_patch = SIMGRID_VERSION_PATCH;
303 void surf_init(int *argc, char **argv)
305 XBT_DEBUG("Create all Libs");
306 host_list = xbt_dict_new_homogeneous([](void*p) {
307 delete static_cast<simgrid::Host*>(p);
309 as_router_lib = xbt_lib_new();
310 storage_lib = xbt_lib_new();
311 storage_type_lib = xbt_lib_new();
312 file_lib = xbt_lib_new();
313 watched_hosts_lib = xbt_dict_new_homogeneous(NULL);
317 XBT_DEBUG("Add routing levels");
318 ROUTING_PROP_ASR_LEVEL = xbt_lib_add_level(as_router_lib,routing_asr_prop_free);
320 XBT_DEBUG("Add SURF levels");
321 SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_free);
323 xbt_init(argc, argv);
324 if (!all_existing_models)
325 all_existing_models = xbt_dynar_new(sizeof(simgrid::surf::Model*), NULL);
326 if (!model_list_invoke)
327 model_list_invoke = xbt_dynar_new(sizeof(simgrid::surf::Model*), NULL);
329 history = tmgr_history_new();
331 TRACE_add_start_function(TRACE_surf_alloc);
332 TRACE_add_end_function(TRACE_surf_release);
334 sg_config_init(argc, argv);
343 simgrid::surf::Model *model = NULL;
345 TRACE_end(); /* Just in case it was not called by the upper
346 * layer (or there is no upper layer) */
348 sg_config_finalize();
350 xbt_dynar_free(&host_that_restart);
351 xbt_dynar_free(&surf_path);
353 xbt_dict_free(&host_list);
354 xbt_lib_free(&as_router_lib);
355 xbt_lib_free(&storage_lib);
357 xbt_lib_free(&storage_type_lib);
358 xbt_lib_free(&file_lib);
359 xbt_dict_free(&watched_hosts_lib);
361 xbt_dynar_foreach(all_existing_models, iter, model)
363 xbt_dynar_free(&all_existing_models);
364 xbt_dynar_free(&model_list_invoke);
367 simgrid::surf::surfExitCallbacks();
370 lmm_system_free(maxmin_system);
371 maxmin_system = NULL;
374 tmgr_history_free(history);
378 #ifdef CONTEXT_THREADS
379 xbt_parmap_destroy(surf_parmap);
383 surf_parse_lex_destroy();
384 surf_parse_free_callbacks();
386 NOW = 0; /* Just in case the user plans to restart the simulation afterward */
397 : p_maxminSystem(NULL)
399 p_readyActionSet = new ActionList();
400 p_runningActionSet = new ActionList();
401 p_failedActionSet = new ActionList();
402 p_doneActionSet = new ActionList();
404 p_modifiedSet = NULL;
406 p_updateMechanism = UM_UNDEFINED;
407 m_selectiveUpdate = 0;
411 delete p_readyActionSet;
412 delete p_runningActionSet;
413 delete p_failedActionSet;
414 delete p_doneActionSet;
417 double Model::shareResources(double now)
419 //FIXME: set the good function once and for all
420 if (p_updateMechanism == UM_LAZY)
421 return shareResourcesLazy(now);
422 else if (p_updateMechanism == UM_FULL)
423 return shareResourcesFull(now);
425 xbt_die("Invalid cpu update mechanism!");
428 double Model::shareResourcesLazy(double now)
430 Action *action = NULL;
435 ("Before share resources, the size of modified actions set is %zd",
436 p_modifiedSet->size());
438 lmm_solve(p_maxminSystem);
441 ("After share resources, The size of modified actions set is %zd",
442 p_modifiedSet->size());
444 while(!p_modifiedSet->empty()) {
445 action = &(p_modifiedSet->front());
446 p_modifiedSet->pop_front();
447 int max_dur_flag = 0;
449 if (action->getStateSet() != p_runningActionSet)
452 /* bogus priority, skip it */
453 if (action->getPriority() <= 0 || action->getHat()==LATENCY)
456 action->updateRemainingLazy(now);
459 share = lmm_variable_getvalue(action->getVariable());
462 double time_to_completion;
463 if (action->getRemains() > 0) {
464 time_to_completion = action->getRemainsNoUpdate() / share;
466 time_to_completion = 0.0;
468 min = now + time_to_completion; // when the task will complete if nothing changes
471 if ((action->getMaxDuration() != NO_MAX_DURATION)
473 || action->getStartTime() +
474 action->getMaxDuration() < min)) {
475 min = action->getStartTime() +
476 action->getMaxDuration(); // when the task will complete anyway because of the deadline if any
481 XBT_DEBUG("Action(%p) corresponds to variable %d", action, action->getVariable()->id_int);
483 XBT_DEBUG("Action(%p) Start %f. May finish at %f (got a share of %f). Max_duration %f", action,
484 action->getStartTime(), min, share,
485 action->getMaxDuration());
488 action->heapUpdate(p_actionHeap, min, max_dur_flag ? MAX_DURATION : NORMAL);
489 XBT_DEBUG("Insert at heap action(%p) min %f now %f", action, min,
491 } else DIE_IMPOSSIBLE;
494 //hereafter must have already the min value for this resource model
495 if (xbt_heap_size(p_actionHeap) > 0)
496 min = xbt_heap_maxkey(p_actionHeap) - now;
500 XBT_DEBUG("The minimum with the HEAP %f", min);
505 double Model::shareResourcesFull(double /*now*/) {
509 double Model::shareResourcesMaxMin(ActionList *running_actions,
511 void (*solve) (lmm_system_t))
513 Action *action = NULL;
519 ActionList::iterator it(running_actions->begin()), itend(running_actions->end());
520 for(; it != itend ; ++it) {
522 value = lmm_variable_getvalue(action->getVariable());
523 if ((value > 0) || (action->getMaxDuration() >= 0))
531 if (action->getRemains() > 0)
532 min = action->getRemainsNoUpdate() / value;
535 if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min))
536 min = action->getMaxDuration();
538 min = action->getMaxDuration();
541 for (++it; it != itend; ++it) {
543 value = lmm_variable_getvalue(action->getVariable());
545 if (action->getRemains() > 0)
546 value = action->getRemainsNoUpdate() / value;
551 XBT_DEBUG("Updating min (value) with %p: %f", action, min);
554 if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min)) {
555 min = action->getMaxDuration();
556 XBT_DEBUG("Updating min (duration) with %p: %f", action, min);
559 XBT_DEBUG("min value : %f", min);
564 void Model::updateActionsState(double now, double delta)
566 if (p_updateMechanism == UM_FULL)
567 updateActionsStateFull(now, delta);
568 else if (p_updateMechanism == UM_LAZY)
569 updateActionsStateLazy(now, delta);
571 xbt_die("Invalid cpu update mechanism!");
574 void Model::updateActionsStateLazy(double /*now*/, double /*delta*/)
579 void Model::updateActionsStateFull(double /*now*/, double /*delta*/)
594 Resource::Resource(Model *model, const char *name)
595 : Resource(model, name, 1/*ON*/)
598 Resource::Resource(Model *model, const char *name, lmm_constraint_t constraint)
599 : Resource(model, name, constraint, 1/*ON*/)
602 Resource::Resource(Model *model, const char *name, lmm_constraint_t constraint, int initiallyOn)
603 : p_name(xbt_strdup(name))
605 , m_isOn(initiallyOn)
606 , p_constraint(constraint)
609 Resource::Resource(Model *model, const char *name, int initiallyOn)
610 : p_name(xbt_strdup(name))
612 , m_isOn(initiallyOn)
616 Resource::~Resource() {
617 xbt_free((void*)p_name);
620 bool Resource::isOn() {
623 bool Resource::isOff() {
627 void Resource::turnOn()
634 void Resource::turnOff()
641 Model *Resource::getModel() {
645 const char *Resource::getName() {
649 lmm_constraint_t Resource::getConstraint() {
660 const char *surf_action_state_names[6] = {
662 "SURF_ACTION_RUNNING",
663 "SURF_ACTION_FAILED",
665 "SURF_ACTION_TO_FREE",
666 "SURF_ACTION_NOT_IN_THE_SYSTEM"
669 /* added to manage the communication action's heap */
670 void surf_action_lmm_update_index_heap(void *action, int i) {
671 static_cast<simgrid::surf::Action*>(action)->updateIndexHeap(i);
677 void Action::initialize(simgrid::surf::Model *model, double cost, bool failed,
681 m_start = surf_get_clock();
686 p_stateSet = getModel()->getFailedActionSet();
688 p_stateSet = getModel()->getRunningActionSet();
690 p_stateSet->push_back(*this);
693 Action::Action(simgrid::surf::Model *model, double cost, bool failed)
695 initialize(model, cost, failed);
698 Action::Action(simgrid::surf::Model *model, double cost, bool failed, lmm_variable_t var)
700 initialize(model, cost, failed, var);
704 xbt_free(p_category);
707 void Action::finish() {
708 m_finish = surf_get_clock();
711 e_surf_action_state_t Action::getState()
713 if (p_stateSet == getModel()->getReadyActionSet())
714 return SURF_ACTION_READY;
715 if (p_stateSet == getModel()->getRunningActionSet())
716 return SURF_ACTION_RUNNING;
717 if (p_stateSet == getModel()->getFailedActionSet())
718 return SURF_ACTION_FAILED;
719 if (p_stateSet == getModel()->getDoneActionSet())
720 return SURF_ACTION_DONE;
721 return SURF_ACTION_NOT_IN_THE_SYSTEM;
724 void Action::setState(e_surf_action_state_t state)
726 //surf_action_state_t action_state = &(action->model_type->states);
727 XBT_IN("(%p,%s)", this, surf_action_state_names[state]);
728 p_stateSet->erase(p_stateSet->iterator_to(*this));
729 if (state == SURF_ACTION_READY)
730 p_stateSet = getModel()->getReadyActionSet();
731 else if (state == SURF_ACTION_RUNNING)
732 p_stateSet = getModel()->getRunningActionSet();
733 else if (state == SURF_ACTION_FAILED)
734 p_stateSet = getModel()->getFailedActionSet();
735 else if (state == SURF_ACTION_DONE)
736 p_stateSet = getModel()->getDoneActionSet();
741 p_stateSet->push_back(*this);
745 double Action::getBound()
747 return (p_variable) ? lmm_variable_getbound(p_variable) : 0;
750 void Action::setBound(double bound)
752 XBT_IN("(%p,%g)", this, bound);
754 lmm_update_variable_bound(getModel()->getMaxminSystem(), p_variable, bound);
756 if (getModel()->getUpdateMechanism() == UM_LAZY && getLastUpdate()!=surf_get_clock())
757 heapRemove(getModel()->getActionHeap());
761 double Action::getStartTime()
766 double Action::getFinishTime()
768 /* keep the function behavior, some models (cpu_ti) change the finish time before the action end */
769 return m_remains == 0 ? m_finish : -1;
772 void Action::setData(void* data)
777 void Action::setCategory(const char *category)
779 XBT_IN("(%p,%s)", this, category);
780 p_category = xbt_strdup(category);
788 void Action::setMaxDuration(double duration)
790 XBT_IN("(%p,%g)", this, duration);
791 m_maxDuration = duration;
792 if (getModel()->getUpdateMechanism() == UM_LAZY) // remove action from the heap
793 heapRemove(getModel()->getActionHeap());
797 void Action::gapRemove() {}
799 void Action::setPriority(double priority)
801 XBT_IN("(%p,%g)", this, priority);
802 m_priority = priority;
803 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), priority);
805 if (getModel()->getUpdateMechanism() == UM_LAZY)
806 heapRemove(getModel()->getActionHeap());
810 void Action::cancel(){
811 setState(SURF_ACTION_FAILED);
812 if (getModel()->getUpdateMechanism() == UM_LAZY) {
813 if (action_lmm_hook.is_linked())
814 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
815 heapRemove(getModel()->getActionHeap());
822 if (action_hook.is_linked())
823 p_stateSet->erase(p_stateSet->iterator_to(*this));
825 lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
826 if (getModel()->getUpdateMechanism() == UM_LAZY) {
827 /* remove from heap */
828 heapRemove(getModel()->getActionHeap());
829 if (action_lmm_hook.is_linked())
830 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
838 void Action::suspend()
840 XBT_IN("(%p)", this);
841 if (m_suspended != 2) {
842 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
844 if (getModel()->getUpdateMechanism() == UM_LAZY)
845 heapRemove(getModel()->getActionHeap());
850 void Action::resume()
852 XBT_IN("(%p)", this);
853 if (m_suspended != 2) {
854 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), m_priority);
856 if (getModel()->getUpdateMechanism() == UM_LAZY)
857 heapRemove(getModel()->getActionHeap());
862 bool Action::isSuspended()
864 return m_suspended == 1;
866 /* insert action on heap using a given key and a hat (heap_action_type)
867 * a hat can be of three types for communications:
869 * NORMAL = this is a normal heap entry stating the date to finish transmitting
870 * LATENCY = this is a heap entry to warn us when the latency is payed
871 * MAX_DURATION =this is a heap entry to warn us when the max_duration limit is reached
873 void Action::heapInsert(xbt_heap_t heap, double key, enum heap_action_type hat)
876 xbt_heap_push(heap, this, key);
879 void Action::heapRemove(xbt_heap_t heap)
882 if (m_indexHeap >= 0) {
883 xbt_heap_remove(heap, m_indexHeap);
887 void Action::heapUpdate(xbt_heap_t heap, double key, enum heap_action_type hat)
890 if (m_indexHeap >= 0) {
891 xbt_heap_update(heap, m_indexHeap, key);
893 xbt_heap_push(heap, this, key);
897 void Action::updateIndexHeap(int i) {
901 double Action::getRemains()
903 XBT_IN("(%p)", this);
904 /* update remains before return it */
905 if (getModel()->getUpdateMechanism() == UM_LAZY) /* update remains before return it */
906 updateRemainingLazy(surf_get_clock());
911 double Action::getRemainsNoUpdate()
916 //FIXME split code in the right places
917 void Action::updateRemainingLazy(double now)
921 if(getModel() == surf_network_model)
923 if (m_suspended != 0)
928 xbt_assert(p_stateSet == getModel()->getRunningActionSet(),
929 "You're updating an action that is not running.");
931 /* bogus priority, skip it */
932 xbt_assert(m_priority > 0,
933 "You're updating an action that seems suspended.");
936 delta = now - m_lastUpdate;
939 XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, m_remains, m_lastUpdate);
940 double_update(&m_remains, m_lastValue * delta, sg_surf_precision*sg_maxmin_precision);
942 if (getModel() == surf_cpu_model_pm && TRACE_is_enabled()) {
943 simgrid::surf::Resource *cpu = static_cast<simgrid::surf::Resource*>(
944 lmm_constraint_id(lmm_get_cnst_from_var(getModel()->getMaxminSystem(), getVariable(), 0)));
945 TRACE_surf_host_set_utilization(cpu->getName(), getCategory(), m_lastValue, m_lastUpdate, now - m_lastUpdate);
947 XBT_DEBUG("Updating action(%p): remains is now %f", this, m_remains);
950 if(getModel() == surf_network_model)
952 if (m_maxDuration != NO_MAX_DURATION)
953 double_update(&m_maxDuration, delta, sg_surf_precision);
955 //FIXME: duplicated code
956 if ((m_remains <= 0) &&
957 (lmm_get_variable_weight(getVariable()) > 0)) {
959 setState(SURF_ACTION_DONE);
960 heapRemove(getModel()->getActionHeap());
961 } else if (((m_maxDuration != NO_MAX_DURATION)
962 && (m_maxDuration <= 0))) {
964 setState(SURF_ACTION_DONE);
965 heapRemove(getModel()->getActionHeap());
970 m_lastValue = lmm_variable_getvalue(getVariable());