1 /* Copyright (c) 2004-2017. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "surf_interface.hpp"
8 #include "simgrid/s4u/Engine.hpp"
9 #include "simgrid/sg_config.h"
10 #include "src/instr/instr_private.h" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals
11 #include "src/kernel/routing/NetPoint.hpp"
12 #include "src/surf/HostImpl.hpp"
17 XBT_LOG_NEW_CATEGORY(surf, "All SURF categories");
18 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf, "Logging specific to SURF (kernel)");
24 std::vector<surf_model_t> * all_existing_models = nullptr; /* to destroy models correctly */
26 simgrid::trace_mgr::future_evt_set *future_evt_set = nullptr;
27 std::vector<std::string> surf_path;
28 std::vector<simgrid::s4u::Host*> host_that_restart;
29 xbt_dict_t watched_hosts_lib;
30 extern std::map<std::string, storage_type_t> storage_types;
35 simgrid::xbt::signal<void()> surfExitCallbacks;
39 #include <simgrid/plugins/energy.h> // FIXME: this plugin should not be linked to the core
40 #include <simgrid/plugins/load.h> // FIXME: this plugin should not be linked to the core
42 s_surf_model_description_t surf_plugin_description[] = {
43 {"Energy", "Cpu energy consumption.", &sg_host_energy_plugin_init},
44 {"Load", "Cpu load.", &sg_host_load_plugin_init},
45 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
48 /* Don't forget to update the option description in smx_config when you change this */
49 s_surf_model_description_t surf_network_model_description[] = {
50 {"LV08", "Realistic network analytic model (slow-start modeled by multiplying latency by 13.01, bandwidth by .97; "
51 "bottleneck sharing uses a payload of S=20537 for evaluating RTT). ",
52 &surf_network_model_init_LegrandVelho},
53 {"Constant", "Simplistic network model where all communication take a constant time (one second). This model "
54 "provides the lowest realism, but is (marginally) faster.",
55 &surf_network_model_init_Constant},
56 {"SMPI", "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with "
57 "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 "
62 "small messages are thus poorly modeled).",
63 &surf_network_model_init_CM02},
64 {"NS3", "Network pseudo-model using the NS3 tcp model instead of an analytic model", &surf_network_model_init_NS3},
66 "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_Reno},
69 "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
70 &surf_network_model_init_Reno2},
72 "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
73 &surf_network_model_init_Vegas},
74 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
78 void surf_network_model_init_SMPI() {
79 xbt_die("Please activate SMPI support in cmake to use the SMPI network model.");
81 void surf_network_model_init_IB() {
82 xbt_die("Please activate SMPI support in cmake to use the IB network model.");
86 void surf_network_model_init_NS3() {
87 xbt_die("Please activate NS3 support in cmake and install the dependencies to use the NS3 network model.");
91 s_surf_model_description_t surf_cpu_model_description[] = {
92 {"Cas01", "Simplistic CPU model (time=size/power).", &surf_cpu_model_init_Cas01},
93 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
96 s_surf_model_description_t surf_host_model_description[] = {
97 {"default", "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)", &surf_host_model_init_current_default},
98 {"compound", "Host model that is automatically chosen if you change the network and CPU models", &surf_host_model_init_compound},
99 {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks", &surf_host_model_init_ptask_L07},
100 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
103 s_surf_model_description_t surf_optimization_mode_description[] = {
104 {"Lazy", "Lazy action management (partial invalidation in lmm + heap in action remaining).", nullptr},
105 {"TI", "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU model for now).", nullptr},
106 {"Full", "Full update of remaining and variables. Slow but may be useful when debugging.", nullptr},
107 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
110 s_surf_model_description_t surf_storage_model_description[] = {
111 {"default", "Simplistic storage model.", &surf_storage_model_init_default},
112 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
115 #if HAVE_THREAD_CONTEXTS
116 static xbt_parmap_t surf_parmap = nullptr; /* parallel map on models */
121 double surf_get_clock()
127 # define FILE_DELIM "\\"
129 # define FILE_DELIM "/" /* FIXME: move to better location */
132 std::ifstream* surf_ifsopen(const char* name)
134 std::ifstream* fs = new std::ifstream();
136 if (__surf_is_absolute_file_path(name)) { /* don't mess with absolute file names */
137 fs->open(name, std::ifstream::in);
140 /* search relative files in the path */
141 for (auto path_elm : surf_path) {
142 std::string buff = path_elm + FILE_DELIM + name;
143 fs->open(buff.c_str(), std::ifstream::in);
145 if (not fs->fail()) {
146 XBT_DEBUG("Found file at %s", buff.c_str());
153 FILE *surf_fopen(const char *name, const char *mode)
155 FILE *file = nullptr;
159 if (__surf_is_absolute_file_path(name)) /* don't mess with absolute file names */
160 return fopen(name, mode);
162 /* search relative files in the path */
163 for (auto path_elm : surf_path) {
164 char* buff = bprintf("%s" FILE_DELIM "%s", path_elm.c_str(), name);
165 file = fopen(buff, mode);
177 static const char *disk_drives_letter_table[MAX_DRIVE] = {
178 "A:\\","B:\\","C:\\","D:\\","E:\\","F:\\","G:\\","H:\\","I:\\","J:\\","K:\\","L:\\","M:\\",
179 "N:\\","O:\\","P:\\","Q:\\","R:\\","S:\\","T:\\","U:\\","V:\\","W:\\","X:\\","Y:\\","Z:\\"
184 * Returns the initial path. On Windows the initial path is
185 * the current directory for the current process in the other
186 * case the function returns "./" that represents the current
187 * directory on Unix/Linux platforms.
190 const char *__surf_get_initial_path()
195 char current_directory[MAX_PATH + 1] = { 0 };
196 unsigned int len = GetCurrentDirectory(MAX_PATH + 1, current_directory);
197 char root[4] = { 0 };
202 strncpy(root, current_directory, 3);
204 for (i = 0; i < MAX_DRIVE; i++) {
205 if (toupper(root[0]) == disk_drives_letter_table[i][0])
206 return disk_drives_letter_table[i];
215 /* The __surf_is_absolute_file_path() returns 1 if
216 * file_path is a absolute file path, in the other
217 * case the function returns 0.
219 int __surf_is_absolute_file_path(const char *file_path)
222 WIN32_FIND_DATA wfd = { 0 };
223 HANDLE hFile = FindFirstFile(file_path, &wfd);
225 if (INVALID_HANDLE_VALUE == hFile)
231 return (file_path[0] == '/');
235 /** Displays the long description of all registered models, and quit */
236 void model_help(const char *category, s_surf_model_description_t * table)
238 printf("Long description of the %s models accepted by this simulator:\n", category);
239 for (int i = 0; table[i].name; i++)
240 printf(" %s: %s\n", table[i].name, table[i].description);
243 int find_model_description(s_surf_model_description_t * table,
247 char *name_list = nullptr;
249 for (i = 0; table[i].name; i++)
250 if (not strcmp(name, table[i].name)) {
253 if (not table[0].name)
254 xbt_die("No model is valid! This is a bug.");
255 name_list = xbt_strdup(table[0].name);
256 for (i = 1; table[i].name; i++) {
257 name_list = (char *) xbt_realloc(name_list, strlen(name_list) + strlen(table[i].name) + 3);
258 strncat(name_list, ", ", 2);
259 strncat(name_list, table[i].name, strlen(table[i].name));
261 xbt_die("Model '%s' is invalid! Valid models are: %s.", name, name_list);
265 void sg_version_check(int lib_version_major, int lib_version_minor, int lib_version_patch)
267 if ((lib_version_major != SIMGRID_VERSION_MAJOR) || (lib_version_minor != SIMGRID_VERSION_MINOR)) {
268 fprintf(stderr, "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
269 "and then linked against SimGrid %d.%d.%d. Please fix this.\n",
270 lib_version_major, lib_version_minor, lib_version_patch, SIMGRID_VERSION_MAJOR, SIMGRID_VERSION_MINOR,
271 SIMGRID_VERSION_PATCH);
274 if (lib_version_patch != SIMGRID_VERSION_PATCH) {
275 if (SIMGRID_VERSION_PATCH >= 90 || lib_version_patch >= 90) {
278 "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
279 "and then linked against SimGrid %d.%d.%d. \n"
280 "One of them is a development version, and should not be mixed with the stable release. Please fix this.\n",
281 lib_version_major, lib_version_minor, lib_version_patch, SIMGRID_VERSION_MAJOR, SIMGRID_VERSION_MINOR,
282 SIMGRID_VERSION_PATCH);
285 fprintf(stderr, "Warning: Your program was compiled with SimGrid version %d.%d.%d, "
286 "and then linked against SimGrid %d.%d.%d. Proceeding anyway.\n",
287 lib_version_major, lib_version_minor, lib_version_patch, SIMGRID_VERSION_MAJOR, SIMGRID_VERSION_MINOR,
288 SIMGRID_VERSION_PATCH);
292 void sg_version_get(int* ver_major, int* ver_minor, int* ver_patch)
294 *ver_major = SIMGRID_VERSION_MAJOR;
295 *ver_minor = SIMGRID_VERSION_MINOR;
296 *ver_patch = SIMGRID_VERSION_PATCH;
301 std::printf("This program was linked against %s (git: %s), found in %s.\n",
302 SIMGRID_VERSION_STRING, SIMGRID_GIT_VERSION, SIMGRID_INSTALL_PREFIX);
305 std::printf(" Model-checking support compiled in.\n");
307 std::printf(" Model-checking support disabled at compilation.\n");
311 std::printf(" NS3 support compiled in.\n");
313 std::printf(" NS3 support disabled at compilation.\n");
316 #if SIMGRID_HAVE_JEDULE
317 std::printf(" Jedule support compiled in.\n");
319 std::printf(" Jedule support disabled at compilation.\n");
323 std::printf(" Lua support compiled in.\n");
325 std::printf(" Lua support disabled at compilation.\n");
328 #if SIMGRID_HAVE_MALLOCATOR
329 std::printf(" Mallocator support compiled in.\n");
331 std::printf(" Mallocator support disabled at compilation.\n");
334 std::printf("\nTo cite SimGrid in a publication, please use:\n"
335 " Henri Casanova, Arnaud Giersch, Arnaud Legrand, Martin Quinson, Frédéric Suter. \n"
336 " Versatile, Scalable, and Accurate Simulation of Distributed Applications and Platforms. \n"
337 " Journal of Parallel and Distributed Computing, Elsevier, 2014, 74 (10), pp.2899-2917.\n");
338 std::printf("The pdf file and a BibTeX entry for LaTeX users can be found at http://hal.inria.fr/hal-01017319\n");
341 void surf_init(int *argc, char **argv)
343 if (USER_HOST_LEVEL != -1) // Already initialized
346 XBT_DEBUG("Create all Libs");
347 USER_HOST_LEVEL = simgrid::s4u::Host::extension_create(nullptr);
349 watched_hosts_lib = xbt_dict_new_homogeneous(nullptr);
351 xbt_init(argc, argv);
352 if (not all_existing_models)
353 all_existing_models = new std::vector<simgrid::surf::Model*>();
354 if (not future_evt_set)
355 future_evt_set = new simgrid::trace_mgr::future_evt_set();
358 simgrid::surf::surfExitCallbacks.connect(TRACE_surf_release);
360 sg_config_init(argc, argv);
368 TRACE_end(); /* Just in case it was not called by the upper layer (or there is no upper layer) */
372 xbt_dict_free(&watched_hosts_lib);
373 for (auto e : storage_types) {
374 storage_type_t stype = e.second;
376 free(stype->type_id);
377 free(stype->content);
378 xbt_dict_free(&(stype->properties));
379 delete stype->model_properties;
382 for (auto s : *simgrid::surf::StorageImpl::storages)
384 delete simgrid::surf::StorageImpl::storages;
386 for (auto model : *all_existing_models)
388 delete all_existing_models;
390 simgrid::surf::surfExitCallbacks();
392 if (future_evt_set) {
393 delete future_evt_set;
394 future_evt_set = nullptr;
397 #if HAVE_THREAD_CONTEXTS
398 xbt_parmap_destroy(surf_parmap);
403 simgrid::s4u::Engine::shutdown();
405 NOW = 0; /* Just in case the user plans to restart the simulation afterward */
416 : maxminSystem_(nullptr)
418 readyActionSet_ = new ActionList();
419 runningActionSet_ = new ActionList();
420 failedActionSet_ = new ActionList();
421 doneActionSet_ = new ActionList();
423 modifiedSet_ = nullptr;
424 actionHeap_ = nullptr;
425 updateMechanism_ = UM_UNDEFINED;
426 selectiveUpdate_ = 0;
430 delete readyActionSet_;
431 delete runningActionSet_;
432 delete failedActionSet_;
433 delete doneActionSet_;
436 double Model::nextOccuringEvent(double now)
438 //FIXME: set the good function once and for all
439 if (updateMechanism_ == UM_LAZY)
440 return nextOccuringEventLazy(now);
441 else if (updateMechanism_ == UM_FULL)
442 return nextOccuringEventFull(now);
444 xbt_die("Invalid cpu update mechanism!");
447 double Model::nextOccuringEventLazy(double now)
449 XBT_DEBUG("Before share resources, the size of modified actions set is %zd", modifiedSet_->size());
450 lmm_solve(maxminSystem_);
451 XBT_DEBUG("After share resources, The size of modified actions set is %zd", modifiedSet_->size());
453 while (not modifiedSet_->empty()) {
454 Action *action = &(modifiedSet_->front());
455 modifiedSet_->pop_front();
456 bool max_dur_flag = false;
458 if (action->getStateSet() != runningActionSet_)
461 /* bogus priority, skip it */
462 if (action->getPriority() <= 0 || action->getHat()==LATENCY)
465 action->updateRemainingLazy(now);
468 double share = lmm_variable_getvalue(action->getVariable());
471 double time_to_completion;
472 if (action->getRemains() > 0) {
473 time_to_completion = action->getRemainsNoUpdate() / share;
475 time_to_completion = 0.0;
477 min = now + time_to_completion; // when the task will complete if nothing changes
480 if ((action->getMaxDuration() > NO_MAX_DURATION) &&
481 (min <= -1 || action->getStartTime() + action->getMaxDuration() < min)) {
482 // when the task will complete anyway because of the deadline if any
483 min = action->getStartTime() + action->getMaxDuration();
487 XBT_DEBUG("Action(%p) corresponds to variable %d", action, action->getVariable()->id_int);
489 XBT_DEBUG("Action(%p) Start %f. May finish at %f (got a share of %f). Max_duration %f", action,
490 action->getStartTime(), min, share,
491 action->getMaxDuration());
494 action->heapUpdate(actionHeap_, min, max_dur_flag ? MAX_DURATION : NORMAL);
495 XBT_DEBUG("Insert at heap action(%p) min %f now %f", action, min, now);
500 //hereafter must have already the min value for this resource model
501 if (xbt_heap_size(actionHeap_) > 0) {
502 double min = xbt_heap_maxkey(actionHeap_) - now;
503 XBT_DEBUG("minimum with the HEAP %f", min);
506 XBT_DEBUG("The HEAP is empty, thus returning -1");
511 double Model::nextOccuringEventFull(double /*now*/) {
512 maxminSystem_->solve_fun(maxminSystem_);
515 for (auto it(getRunningActionSet()->begin()), itend(getRunningActionSet()->end()); it != itend ; ++it) {
516 Action *action = &*it;
517 double value = lmm_variable_getvalue(action->getVariable());
519 if (action->getRemains() > 0)
520 value = action->getRemainsNoUpdate() / value;
523 if (min < 0 || value < min) {
525 XBT_DEBUG("Updating min (value) with %p: %f", action, min);
528 if ((action->getMaxDuration() >= 0) && (min<0 || action->getMaxDuration() < min)) {
529 min = action->getMaxDuration();
530 XBT_DEBUG("Updating min (duration) with %p: %f", action, min);
533 XBT_DEBUG("min value : %f", min);
538 void Model::updateActionsState(double now, double delta)
540 if (updateMechanism_ == UM_FULL)
541 updateActionsStateFull(now, delta);
542 else if (updateMechanism_ == UM_LAZY)
543 updateActionsStateLazy(now, delta);
545 xbt_die("Invalid cpu update mechanism!");
548 void Model::updateActionsStateLazy(double /*now*/, double /*delta*/)
553 void Model::updateActionsStateFull(double /*now*/, double /*delta*/)
568 Resource::Resource(Model* model, const char* name, lmm_constraint_t constraint)
569 : name_(name), model_(model), constraint_(constraint)
572 Resource::~Resource() = default;
574 bool Resource::isOn() const {
577 bool Resource::isOff() const {
581 void Resource::turnOn()
586 void Resource::turnOff()
591 Model* Resource::model() const
596 const char* Resource::cname() const
598 return name_.c_str();
601 bool Resource::operator==(const Resource &other) const {
602 return name_ == other.name_;
605 lmm_constraint_t Resource::constraint() const
617 const char *surf_action_state_names[6] = {
619 "SURF_ACTION_RUNNING",
620 "SURF_ACTION_FAILED",
622 "SURF_ACTION_TO_FREE",
623 "SURF_ACTION_NOT_IN_THE_SYSTEM"
626 /* added to manage the communication action's heap */
627 void surf_action_lmm_update_index_heap(void *action, int i) {
628 static_cast<simgrid::surf::Action*>(action)->updateIndexHeap(i);
634 Action::Action(simgrid::surf::Model* model, double cost, bool failed) : Action(model, cost, failed, nullptr)
638 Action::Action(simgrid::surf::Model* model, double cost, bool failed, lmm_variable_t var)
639 : remains_(cost), start_(surf_get_clock()), cost_(cost), model_(model), variable_(var)
642 stateSet_ = getModel()->getFailedActionSet();
644 stateSet_ = getModel()->getRunningActionSet();
646 stateSet_->push_back(*this);
653 void Action::finish() {
654 finishTime_ = surf_get_clock();
657 Action::State Action::getState()
659 if (stateSet_ == model_->getReadyActionSet())
660 return Action::State::ready;
661 if (stateSet_ == model_->getRunningActionSet())
662 return Action::State::running;
663 if (stateSet_ == model_->getFailedActionSet())
664 return Action::State::failed;
665 if (stateSet_ == model_->getDoneActionSet())
666 return Action::State::done;
667 return Action::State::not_in_the_system;
670 void Action::setState(Action::State state)
672 stateSet_->erase(stateSet_->iterator_to(*this));
674 case Action::State::ready:
675 stateSet_ = model_->getReadyActionSet();
677 case Action::State::running:
678 stateSet_ = model_->getRunningActionSet();
680 case Action::State::failed:
681 stateSet_ = model_->getFailedActionSet();
683 case Action::State::done:
684 stateSet_ = model_->getDoneActionSet();
691 stateSet_->push_back(*this);
694 double Action::getBound()
696 return (variable_) ? lmm_variable_getbound(variable_) : 0;
699 void Action::setBound(double bound)
701 XBT_IN("(%p,%g)", this, bound);
703 lmm_update_variable_bound(getModel()->getMaxminSystem(), variable_, bound);
705 if (getModel()->getUpdateMechanism() == UM_LAZY && getLastUpdate() != surf_get_clock())
706 heapRemove(getModel()->getActionHeap());
710 double Action::getStartTime()
715 double Action::getFinishTime()
717 /* keep the function behavior, some models (cpu_ti) change the finish time before the action end */
718 return remains_ <= 0 ? finishTime_ : -1;
721 void Action::setData(void* data)
726 void Action::setCategory(const char *category)
728 category_ = xbt_strdup(category);
735 void Action::setMaxDuration(double duration)
737 maxDuration_ = duration;
738 if (getModel()->getUpdateMechanism() == UM_LAZY) // remove action from the heap
739 heapRemove(getModel()->getActionHeap());
742 void Action::gapRemove() {}
744 void Action::setSharingWeight(double weight)
746 XBT_IN("(%p,%g)", this, weight);
747 sharingWeight_ = weight;
748 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), weight);
750 if (getModel()->getUpdateMechanism() == UM_LAZY)
751 heapRemove(getModel()->getActionHeap());
755 void Action::cancel(){
756 setState(Action::State::failed);
757 if (getModel()->getUpdateMechanism() == UM_LAZY) {
758 if (action_lmm_hook.is_linked())
759 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
760 heapRemove(getModel()->getActionHeap());
767 if (action_hook.is_linked())
768 stateSet_->erase(stateSet_->iterator_to(*this));
770 lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
771 if (getModel()->getUpdateMechanism() == UM_LAZY) {
772 /* remove from heap */
773 heapRemove(getModel()->getActionHeap());
774 if (action_lmm_hook.is_linked())
775 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
783 void Action::suspend()
785 XBT_IN("(%p)", this);
786 if (suspended_ != 2) {
787 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
788 if (getModel()->getUpdateMechanism() == UM_LAZY){
789 heapRemove(getModel()->getActionHeap());
790 if (getModel()->getUpdateMechanism() == UM_LAZY && stateSet_ == getModel()->getRunningActionSet() &&
791 sharingWeight_ > 0) {
792 //If we have a lazy model, we need to update the remaining value accordingly
793 updateRemainingLazy(surf_get_clock());
801 void Action::resume()
803 XBT_IN("(%p)", this);
804 if (suspended_ != 2) {
805 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), sharingWeight_);
807 if (getModel()->getUpdateMechanism() == UM_LAZY)
808 heapRemove(getModel()->getActionHeap());
813 bool Action::isSuspended()
815 return suspended_ == 1;
817 /* insert action on heap using a given key and a hat (heap_action_type)
818 * a hat can be of three types for communications:
820 * NORMAL = this is a normal heap entry stating the date to finish transmitting
821 * LATENCY = this is a heap entry to warn us when the latency is payed
822 * MAX_DURATION =this is a heap entry to warn us when the max_duration limit is reached
824 void Action::heapInsert(xbt_heap_t heap, double key, enum heap_action_type hat)
827 xbt_heap_push(heap, this, key);
830 void Action::heapRemove(xbt_heap_t heap)
833 if (indexHeap_ >= 0) {
834 xbt_heap_remove(heap, indexHeap_);
838 void Action::heapUpdate(xbt_heap_t heap, double key, enum heap_action_type hat)
841 if (indexHeap_ >= 0) {
842 xbt_heap_update(heap, indexHeap_, key);
844 xbt_heap_push(heap, this, key);
848 void Action::updateIndexHeap(int i) {
852 double Action::getRemains()
854 XBT_IN("(%p)", this);
855 /* update remains before return it */
856 if (getModel()->getUpdateMechanism() == UM_LAZY) /* update remains before return it */
857 updateRemainingLazy(surf_get_clock());
862 double Action::getRemainsNoUpdate()
867 //FIXME split code in the right places
868 void Action::updateRemainingLazy(double now)
872 if(getModel() == surf_network_model)
879 xbt_assert(stateSet_ == getModel()->getRunningActionSet(), "You're updating an action that is not running.");
880 xbt_assert(sharingWeight_ > 0, "You're updating an action that seems suspended.");
883 delta = now - lastUpdate_;
886 XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, remains_, lastUpdate_);
887 double_update(&remains_, lastValue_ * delta, sg_surf_precision*sg_maxmin_precision);
889 if (getModel() == surf_cpu_model_pm && TRACE_is_enabled()) {
890 simgrid::surf::Resource *cpu = static_cast<simgrid::surf::Resource*>(
891 lmm_constraint_id(lmm_get_cnst_from_var(getModel()->getMaxminSystem(), getVariable(), 0)));
892 TRACE_surf_host_set_utilization(cpu->cname(), getCategory(), lastValue_, lastUpdate_, now - lastUpdate_);
894 XBT_DEBUG("Updating action(%p): remains is now %f", this, remains_);
897 if(getModel() == surf_network_model)
899 if (maxDuration_ != NO_MAX_DURATION)
900 double_update(&maxDuration_, delta, sg_surf_precision);
902 //FIXME: duplicated code
903 if (((remains_ <= 0) && (lmm_get_variable_weight(getVariable()) > 0)) ||
904 ((maxDuration_ > NO_MAX_DURATION) && (maxDuration_ <= 0))) {
906 setState(Action::State::done);
907 heapRemove(getModel()->getActionHeap());
912 lastValue_ = lmm_variable_getvalue(getVariable());