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_interface.hpp"
8 #include "cpu_interface.hpp"
10 #include "network_interface.hpp"
11 #include "simgrid/s4u/engine.hpp"
12 #include "simgrid/sg_config.h"
13 #include "src/instr/instr_private.h" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals
14 #include "src/internal_config.h"
15 #include "src/kernel/routing/NetPoint.hpp"
16 #include "src/simix/smx_host_private.h"
17 #include "src/surf/HostImpl.hpp"
18 #include "surf_private.h"
21 XBT_LOG_NEW_CATEGORY(surf, "All SURF categories");
22 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf, "Logging specific to SURF (kernel)");
28 std::vector<surf_model_t> * all_existing_models = nullptr; /* to destroy models correctly */
30 simgrid::trace_mgr::future_evt_set *future_evt_set = nullptr;
31 std::vector<std::string> surf_path;
32 std::vector<simgrid::s4u::Host*> host_that_restart;
33 xbt_dict_t watched_hosts_lib;
38 simgrid::xbt::signal<void(void)> surfExitCallbacks;
43 #include <simgrid/plugins/energy.h> // FIXME: this plugin should not be linked to the core
45 s_surf_model_description_t surf_plugin_description[] = {
46 {"Energy", "Cpu energy consumption.", &sg_host_energy_plugin_init},
47 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
50 /* Don't forget to update the option description in smx_config when you change this */
51 s_surf_model_description_t surf_network_model_description[] = {
52 {"LV08", "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). ",
53 &surf_network_model_init_LegrandVelho},
55 "Simplistic network model where all communication take a constant time (one second). This model provides the lowest realism, but is (marginally) faster.",
56 &surf_network_model_init_Constant},
57 {"SMPI", "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)",
58 &surf_network_model_init_SMPI},
59 {"IB", "Realistic network model specifically tailored for HPC settings, with Infiniband contention model",
60 &surf_network_model_init_IB},
61 {"CM02", "Legacy network analytic model (Very similar to LV08, but without corrective factors. The timings of small messages are thus poorly modeled).",
62 &surf_network_model_init_CM02},
63 {"NS3", "Network pseudo-model using the NS3 tcp model instead of an analytic model", &surf_network_model_init_NS3},
64 {"Reno", "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
65 &surf_network_model_init_Reno},
66 {"Reno2", "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
67 &surf_network_model_init_Reno2},
68 {"Vegas", "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
69 &surf_network_model_init_Vegas},
70 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
74 void surf_network_model_init_SMPI() {
75 xbt_die("Please activate SMPI support in cmake to use the SMPI network model.");
77 void surf_network_model_init_IB() {
78 xbt_die("Please activate SMPI support in cmake to use the IB network model.");
82 void surf_network_model_init_NS3() {
83 xbt_die("Please activate NS3 support in cmake and install the dependencies to use the NS3 network model.");
87 s_surf_model_description_t surf_cpu_model_description[] = {
88 {"Cas01", "Simplistic CPU model (time=size/power).", &surf_cpu_model_init_Cas01},
89 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
92 s_surf_model_description_t surf_host_model_description[] = {
93 {"default", "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)", &surf_host_model_init_current_default},
94 {"compound", "Host model that is automatically chosen if you change the network and CPU models", &surf_host_model_init_compound},
95 {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks", &surf_host_model_init_ptask_L07},
96 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
99 s_surf_model_description_t surf_optimization_mode_description[] = {
100 {"Lazy", "Lazy action management (partial invalidation in lmm + heap in action remaining).", nullptr},
101 {"TI", "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU model for now).", nullptr},
102 {"Full", "Full update of remaining and variables. Slow but may be useful when debugging.", nullptr},
103 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
106 s_surf_model_description_t surf_storage_model_description[] = {
107 {"default", "Simplistic storage model.", &surf_storage_model_init_default},
108 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
111 #if HAVE_THREAD_CONTEXTS
112 static xbt_parmap_t surf_parmap = nullptr; /* parallel map on models */
117 double surf_get_clock()
123 # define FILE_DELIM "\\"
125 # define FILE_DELIM "/" /* FIXME: move to better location */
128 FILE *surf_fopen(const char *name, const char *mode)
131 FILE *file = nullptr;
135 if (__surf_is_absolute_file_path(name)) /* don't mess with absolute file names */
136 return fopen(name, mode);
138 /* search relative files in the path */
139 for (auto path_elm : surf_path) {
140 buff = bprintf("%s" FILE_DELIM "%s", path_elm.c_str(), name);
141 file = fopen(buff, mode);
153 static const char *disk_drives_letter_table[MAX_DRIVE] = {
154 "A:\\","B:\\","C:\\","D:\\","E:\\","F:\\","G:\\","H:\\","I:\\","J:\\","K:\\","L:\\","M:\\",
155 "N:\\","O:\\","P:\\","Q:\\","R:\\","S:\\","T:\\","U:\\","V:\\","W:\\","X:\\","Y:\\","Z:\\"
160 * Returns the initial path. On Windows the initial path is
161 * the current directory for the current process in the other
162 * case the function returns "./" that represents the current
163 * directory on Unix/Linux platforms.
166 const char *__surf_get_initial_path()
171 char current_directory[MAX_PATH + 1] = { 0 };
172 unsigned int len = GetCurrentDirectory(MAX_PATH + 1, current_directory);
173 char root[4] = { 0 };
178 strncpy(root, current_directory, 3);
180 for (i = 0; i < MAX_DRIVE; i++) {
181 if (toupper(root[0]) == disk_drives_letter_table[i][0])
182 return disk_drives_letter_table[i];
191 /* The __surf_is_absolute_file_path() returns 1 if
192 * file_path is a absolute file path, in the other
193 * case the function returns 0.
195 int __surf_is_absolute_file_path(const char *file_path)
198 WIN32_FIND_DATA wfd = { 0 };
199 HANDLE hFile = FindFirstFile(file_path, &wfd);
201 if (INVALID_HANDLE_VALUE == hFile)
207 return (file_path[0] == '/');
211 /** Displays the long description of all registered models, and quit */
212 void model_help(const char *category, s_surf_model_description_t * table)
214 printf("Long description of the %s models accepted by this simulator:\n", category);
215 for (int i = 0; table[i].name; i++)
216 printf(" %s: %s\n", table[i].name, table[i].description);
219 int find_model_description(s_surf_model_description_t * table,
223 char *name_list = nullptr;
225 for (i = 0; table[i].name; i++)
226 if (!strcmp(name, table[i].name)) {
230 xbt_die("No model is valid! This is a bug.");
231 name_list = xbt_strdup(table[0].name);
232 for (i = 1; table[i].name; i++) {
233 name_list = (char *) xbt_realloc(name_list, strlen(name_list) + strlen(table[i].name) + 3);
234 strncat(name_list, ", ", 2);
235 strncat(name_list, table[i].name, strlen(table[i].name));
237 xbt_die("Model '%s' is invalid! Valid models are: %s.", name, name_list);
241 static inline void surf_storage_free(void *r)
243 delete static_cast<simgrid::surf::Storage*>(r);
246 void sg_version_check(int lib_version_major,int lib_version_minor,int lib_version_patch) {
247 if ((lib_version_major != SIMGRID_VERSION_MAJOR) || (lib_version_minor != SIMGRID_VERSION_MINOR)) {
249 "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
250 "and then linked against SimGrid %d.%d.%d. Please fix this.\n",
251 lib_version_major,lib_version_minor,lib_version_patch,
252 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH);
255 if (lib_version_patch != SIMGRID_VERSION_PATCH) {
256 if(SIMGRID_VERSION_PATCH >= 90 || lib_version_patch >=90){
258 "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
259 "and then linked against SimGrid %d.%d.%d. \n"
260 "One of them is a development version, and should not be mixed with the stable release. Please fix this.\n",
261 lib_version_major,lib_version_minor,lib_version_patch,
262 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH);
266 "Warning: Your program was compiled with SimGrid version %d.%d.%d, "
267 "and then linked against SimGrid %d.%d.%d. Proceeding anyway.\n",
268 lib_version_major,lib_version_minor,lib_version_patch,
269 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH);
273 void sg_version_get(int* ver_major, int* ver_minor, int* ver_patch)
275 *ver_major = SIMGRID_VERSION_MAJOR;
276 *ver_minor = SIMGRID_VERSION_MINOR;
277 *ver_patch = SIMGRID_VERSION_PATCH;
282 std::printf("This program was linked against %s (git: %s), found in %s.\n",
283 SIMGRID_VERSION_STRING, SIMGRID_GIT_VERSION, SIMGRID_INSTALL_PREFIX);
286 std::printf(" Model-checking support compiled in.\n");
288 std::printf(" Model-checking support disabled at compilation.\n");
292 std::printf(" NS3 support compiled in.\n");
294 std::printf(" NS3 support disabled at compilation.\n");
298 std::printf(" Jedule support compiled in.\n");
300 std::printf(" Jedule support disabled at compilation.\n");
304 std::printf(" Lua support compiled in.\n");
306 std::printf(" Lua support disabled at compilation.\n");
310 std::printf(" Mallocator support compiled in.\n");
312 std::printf(" Mallocator support disabled at compilation.\n");
315 std::printf("\nTo cite SimGrid in a publication, please use:\n"
316 " Henri Casanova, Arnaud Giersch, Arnaud Legrand, Martin Quinson, Frédéric Suter. \n"
317 " Versatile, Scalable, and Accurate Simulation of Distributed Applications and Platforms. \n"
318 " Journal of Parallel and Distributed Computing, Elsevier, 2014, 74 (10), pp.2899-2917.\n");
319 std::printf("The pdf file and a BibTeX entry for LaTeX users can be found at http://hal.inria.fr/hal-01017319\n");
322 void surf_init(int *argc, char **argv)
324 if (USER_HOST_LEVEL != -1) // Already initialized
327 XBT_DEBUG("Create all Libs");
328 USER_HOST_LEVEL = simgrid::s4u::Host::extension_create(nullptr);
330 storage_lib = xbt_lib_new();
331 storage_type_lib = xbt_lib_new();
332 file_lib = xbt_lib_new();
333 watched_hosts_lib = xbt_dict_new_homogeneous(nullptr);
335 XBT_DEBUG("Add SURF levels");
336 SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_free);
338 xbt_init(argc, argv);
339 if (!all_existing_models)
340 all_existing_models = new std::vector<simgrid::surf::Model*>();
342 future_evt_set = new simgrid::trace_mgr::future_evt_set();
344 TRACE_add_start_function(TRACE_surf_alloc);
345 TRACE_add_end_function(TRACE_surf_release);
347 sg_config_init(argc, argv);
355 TRACE_end(); /* Just in case it was not called by the upper layer (or there is no upper layer) */
358 xbt_lib_free(&storage_lib);
360 xbt_lib_free(&storage_type_lib);
361 xbt_lib_free(&file_lib);
362 xbt_dict_free(&watched_hosts_lib);
364 for (auto model : *all_existing_models)
366 delete all_existing_models;
368 simgrid::surf::surfExitCallbacks();
370 if (future_evt_set) {
371 delete future_evt_set;
372 future_evt_set = nullptr;
375 #if HAVE_THREAD_CONTEXTS
376 xbt_parmap_destroy(surf_parmap);
381 simgrid::s4u::Engine::shutdown();
383 NOW = 0; /* Just in case the user plans to restart the simulation afterward */
394 : maxminSystem_(nullptr)
396 readyActionSet_ = new ActionList();
397 runningActionSet_ = new ActionList();
398 failedActionSet_ = new ActionList();
399 doneActionSet_ = new ActionList();
401 modifiedSet_ = nullptr;
402 actionHeap_ = nullptr;
403 updateMechanism_ = UM_UNDEFINED;
404 selectiveUpdate_ = 0;
408 delete readyActionSet_;
409 delete runningActionSet_;
410 delete failedActionSet_;
411 delete doneActionSet_;
414 double Model::nextOccuringEvent(double now)
416 //FIXME: set the good function once and for all
417 if (updateMechanism_ == UM_LAZY)
418 return nextOccuringEventLazy(now);
419 else if (updateMechanism_ == UM_FULL)
420 return nextOccuringEventFull(now);
422 xbt_die("Invalid cpu update mechanism!");
425 double Model::nextOccuringEventLazy(double now)
427 XBT_DEBUG("Before share resources, the size of modified actions set is %zd", modifiedSet_->size());
428 lmm_solve(maxminSystem_);
429 XBT_DEBUG("After share resources, The size of modified actions set is %zd", modifiedSet_->size());
431 while(!modifiedSet_->empty()) {
432 Action *action = &(modifiedSet_->front());
433 modifiedSet_->pop_front();
434 int max_dur_flag = 0;
436 if (action->getStateSet() != runningActionSet_)
439 /* bogus priority, skip it */
440 if (action->getPriority() <= 0 || action->getHat()==LATENCY)
443 action->updateRemainingLazy(now);
446 double share = lmm_variable_getvalue(action->getVariable());
449 double time_to_completion;
450 if (action->getRemains() > 0) {
451 time_to_completion = action->getRemainsNoUpdate() / share;
453 time_to_completion = 0.0;
455 min = now + time_to_completion; // when the task will complete if nothing changes
458 if ((action->getMaxDuration() != NO_MAX_DURATION) &&
459 (min == -1 || action->getStartTime() + action->getMaxDuration() < min)) {
460 // when the task will complete anyway because of the deadline if any
461 min = action->getStartTime() + action->getMaxDuration();
466 XBT_DEBUG("Action(%p) corresponds to variable %d", action, action->getVariable()->id_int);
468 XBT_DEBUG("Action(%p) Start %f. May finish at %f (got a share of %f). Max_duration %f", action,
469 action->getStartTime(), min, share,
470 action->getMaxDuration());
473 action->heapUpdate(actionHeap_, min, max_dur_flag ? MAX_DURATION : NORMAL);
474 XBT_DEBUG("Insert at heap action(%p) min %f now %f", action, min,
476 } else DIE_IMPOSSIBLE;
479 //hereafter must have already the min value for this resource model
480 if (xbt_heap_size(actionHeap_) > 0) {
481 double min = xbt_heap_maxkey(actionHeap_) - now;
482 XBT_DEBUG("minimum with the HEAP %f", min);
485 XBT_DEBUG("The HEAP is empty, thus returning -1");
490 double Model::nextOccuringEventFull(double /*now*/) {
491 maxminSystem_->solve_fun(maxminSystem_);
494 for (auto it(getRunningActionSet()->begin()), itend(getRunningActionSet()->end()); it != itend ; ++it) {
495 Action *action = &*it;
496 double value = lmm_variable_getvalue(action->getVariable());
498 if (action->getRemains() > 0)
499 value = action->getRemainsNoUpdate() / value;
502 if (min < 0 || value < min) {
504 XBT_DEBUG("Updating min (value) with %p: %f", action, min);
507 if ((action->getMaxDuration() >= 0) && (min<0 || action->getMaxDuration() < min)) {
508 min = action->getMaxDuration();
509 XBT_DEBUG("Updating min (duration) with %p: %f", action, min);
512 XBT_DEBUG("min value : %f", min);
517 void Model::updateActionsState(double now, double delta)
519 if (updateMechanism_ == UM_FULL)
520 updateActionsStateFull(now, delta);
521 else if (updateMechanism_ == UM_LAZY)
522 updateActionsStateLazy(now, delta);
524 xbt_die("Invalid cpu update mechanism!");
527 void Model::updateActionsStateLazy(double /*now*/, double /*delta*/)
532 void Model::updateActionsStateFull(double /*now*/, double /*delta*/)
547 Resource::Resource(Model* model, const char* name, lmm_constraint_t constraint)
548 : name_(name), model_(model), constraint_(constraint)
551 Resource::~Resource() = default;
553 bool Resource::isOn() const {
556 bool Resource::isOff() const {
560 void Resource::turnOn()
565 void Resource::turnOff()
570 Model* Resource::model() const
575 const char* Resource::cname() const
577 return name_.c_str();
580 bool Resource::operator==(const Resource &other) const {
581 return name_ == other.name_;
584 lmm_constraint_t Resource::constraint() const
596 const char *surf_action_state_names[6] = {
598 "SURF_ACTION_RUNNING",
599 "SURF_ACTION_FAILED",
601 "SURF_ACTION_TO_FREE",
602 "SURF_ACTION_NOT_IN_THE_SYSTEM"
605 /* added to manage the communication action's heap */
606 void surf_action_lmm_update_index_heap(void *action, int i) {
607 static_cast<simgrid::surf::Action*>(action)->updateIndexHeap(i);
613 Action::Action(simgrid::surf::Model* model, double cost, bool failed) : Action(model, cost, failed, nullptr)
617 Action::Action(simgrid::surf::Model* model, double cost, bool failed, lmm_variable_t var)
618 : remains_(cost), start_(surf_get_clock()), cost_(cost), model_(model), variable_(var)
621 stateSet_ = getModel()->getFailedActionSet();
623 stateSet_ = getModel()->getRunningActionSet();
625 stateSet_->push_back(*this);
632 void Action::finish() {
633 finishTime_ = surf_get_clock();
636 Action::State Action::getState()
638 if (stateSet_ == model_->getReadyActionSet())
639 return Action::State::ready;
640 if (stateSet_ == model_->getRunningActionSet())
641 return Action::State::running;
642 if (stateSet_ == model_->getFailedActionSet())
643 return Action::State::failed;
644 if (stateSet_ == model_->getDoneActionSet())
645 return Action::State::done;
646 return Action::State::not_in_the_system;
649 void Action::setState(Action::State state)
651 stateSet_->erase(stateSet_->iterator_to(*this));
653 case Action::State::ready:
654 stateSet_ = model_->getReadyActionSet();
656 case Action::State::running:
657 stateSet_ = model_->getRunningActionSet();
659 case Action::State::failed:
660 stateSet_ = model_->getFailedActionSet();
662 case Action::State::done:
663 stateSet_ = model_->getDoneActionSet();
670 stateSet_->push_back(*this);
673 double Action::getBound()
675 return (variable_) ? lmm_variable_getbound(variable_) : 0;
678 void Action::setBound(double bound)
680 XBT_IN("(%p,%g)", this, bound);
682 lmm_update_variable_bound(getModel()->getMaxminSystem(), variable_, bound);
684 if (getModel()->getUpdateMechanism() == UM_LAZY && getLastUpdate()!=surf_get_clock())
685 heapRemove(getModel()->getActionHeap());
689 double Action::getStartTime()
694 double Action::getFinishTime()
696 /* keep the function behavior, some models (cpu_ti) change the finish time before the action end */
697 return remains_ == 0 ? finishTime_ : -1;
700 void Action::setData(void* data)
705 void Action::setCategory(const char *category)
707 category_ = xbt_strdup(category);
714 void Action::setMaxDuration(double duration)
716 maxDuration_ = duration;
717 if (getModel()->getUpdateMechanism() == UM_LAZY) // remove action from the heap
718 heapRemove(getModel()->getActionHeap());
721 void Action::gapRemove() {}
723 void Action::setPriority(double priority)
725 XBT_IN("(%p,%g)", this, priority);
726 priority_ = priority;
727 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), priority);
729 if (getModel()->getUpdateMechanism() == UM_LAZY)
730 heapRemove(getModel()->getActionHeap());
734 void Action::cancel(){
735 setState(Action::State::failed);
736 if (getModel()->getUpdateMechanism() == UM_LAZY) {
737 if (action_lmm_hook.is_linked())
738 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
739 heapRemove(getModel()->getActionHeap());
746 if (action_hook.is_linked())
747 stateSet_->erase(stateSet_->iterator_to(*this));
749 lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
750 if (getModel()->getUpdateMechanism() == UM_LAZY) {
751 /* remove from heap */
752 heapRemove(getModel()->getActionHeap());
753 if (action_lmm_hook.is_linked())
754 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
762 void Action::suspend()
764 XBT_IN("(%p)", this);
765 if (suspended_ != 2) {
766 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
767 if (getModel()->getUpdateMechanism() == UM_LAZY){
768 heapRemove(getModel()->getActionHeap());
769 if (getModel()->getUpdateMechanism() == UM_LAZY && stateSet_ == getModel()->getRunningActionSet() && priority_ > 0){
770 //If we have a lazy model, we need to update the remaining value accordingly
771 updateRemainingLazy(surf_get_clock());
779 void Action::resume()
781 XBT_IN("(%p)", this);
782 if (suspended_ != 2) {
783 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), priority_);
785 if (getModel()->getUpdateMechanism() == UM_LAZY)
786 heapRemove(getModel()->getActionHeap());
791 bool Action::isSuspended()
793 return suspended_ == 1;
795 /* insert action on heap using a given key and a hat (heap_action_type)
796 * a hat can be of three types for communications:
798 * NORMAL = this is a normal heap entry stating the date to finish transmitting
799 * LATENCY = this is a heap entry to warn us when the latency is payed
800 * MAX_DURATION =this is a heap entry to warn us when the max_duration limit is reached
802 void Action::heapInsert(xbt_heap_t heap, double key, enum heap_action_type hat)
805 xbt_heap_push(heap, this, key);
808 void Action::heapRemove(xbt_heap_t heap)
811 if (indexHeap_ >= 0) {
812 xbt_heap_remove(heap, indexHeap_);
816 void Action::heapUpdate(xbt_heap_t heap, double key, enum heap_action_type hat)
819 if (indexHeap_ >= 0) {
820 xbt_heap_update(heap, indexHeap_, key);
822 xbt_heap_push(heap, this, key);
826 void Action::updateIndexHeap(int i) {
830 double Action::getRemains()
832 XBT_IN("(%p)", this);
833 /* update remains before return it */
834 if (getModel()->getUpdateMechanism() == UM_LAZY) /* update remains before return it */
835 updateRemainingLazy(surf_get_clock());
840 double Action::getRemainsNoUpdate()
845 //FIXME split code in the right places
846 void Action::updateRemainingLazy(double now)
850 if(getModel() == surf_network_model)
857 xbt_assert(stateSet_ == getModel()->getRunningActionSet(), "You're updating an action that is not running.");
858 xbt_assert(priority_ > 0, "You're updating an action that seems suspended.");
861 delta = now - lastUpdate_;
864 XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, remains_, lastUpdate_);
865 double_update(&remains_, lastValue_ * delta, sg_surf_precision*sg_maxmin_precision);
867 if (getModel() == surf_cpu_model_pm && TRACE_is_enabled()) {
868 simgrid::surf::Resource *cpu = static_cast<simgrid::surf::Resource*>(
869 lmm_constraint_id(lmm_get_cnst_from_var(getModel()->getMaxminSystem(), getVariable(), 0)));
870 TRACE_surf_host_set_utilization(cpu->cname(), getCategory(), lastValue_, lastUpdate_, now - lastUpdate_);
872 XBT_DEBUG("Updating action(%p): remains is now %f", this, remains_);
875 if(getModel() == surf_network_model)
877 if (maxDuration_ != NO_MAX_DURATION)
878 double_update(&maxDuration_, delta, sg_surf_precision);
880 //FIXME: duplicated code
881 if ((remains_ <= 0) &&
882 (lmm_get_variable_weight(getVariable()) > 0)) {
884 setState(Action::State::done);
885 heapRemove(getModel()->getActionHeap());
886 } else if (((maxDuration_ != NO_MAX_DURATION)
887 && (maxDuration_ <= 0))) {
889 setState(Action::State::done);
890 heapRemove(getModel()->getActionHeap());
895 lastValue_ = lmm_variable_getvalue(getVariable());