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"
19 XBT_LOG_NEW_CATEGORY(surf, "All SURF categories");
20 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf, "Logging specific to SURF (kernel)");
26 std::vector<surf_model_t> * all_existing_models = nullptr; /* to destroy models correctly */
28 simgrid::trace_mgr::future_evt_set *future_evt_set = nullptr;
29 std::vector<std::string> surf_path;
30 std::vector<simgrid::s4u::Host*> host_that_restart;
31 /** set of hosts for which one want to be notified if they ever restart. */
32 std::set<std::string> watched_hosts;
33 extern std::map<std::string, storage_type_t> storage_types;
38 simgrid::xbt::signal<void()> surfExitCallbacks;
42 #include <simgrid/plugins/energy.h> // FIXME: this plugin should not be linked to the core
43 #include <simgrid/plugins/load.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 {"Load", "Cpu load.", &sg_host_load_plugin_init},
48 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
51 /* Don't forget to update the option description in smx_config when you change this */
52 s_surf_model_description_t surf_network_model_description[] = {
53 {"LV08", "Realistic network analytic model (slow-start modeled by multiplying latency by 13.01, bandwidth by .97; "
54 "bottleneck sharing uses a payload of S=20537 for evaluating RTT). ",
55 &surf_network_model_init_LegrandVelho},
56 {"Constant", "Simplistic network model where all communication take a constant time (one second). This model "
57 "provides the lowest realism, but is (marginally) faster.",
58 &surf_network_model_init_Constant},
59 {"SMPI", "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with "
60 "correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)",
61 &surf_network_model_init_SMPI},
62 {"IB", "Realistic network model specifically tailored for HPC settings, with Infiniband contention model",
63 &surf_network_model_init_IB},
64 {"CM02", "Legacy network analytic model (Very similar to LV08, but without corrective factors. The timings of "
65 "small messages are thus poorly modeled).",
66 &surf_network_model_init_CM02},
67 {"NS3", "Network pseudo-model using the NS3 tcp model instead of an analytic model", &surf_network_model_init_NS3},
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_Reno},
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_Reno2},
75 "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
76 &surf_network_model_init_Vegas},
77 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
81 void surf_network_model_init_SMPI() {
82 xbt_die("Please activate SMPI support in cmake to use the SMPI network model.");
84 void surf_network_model_init_IB() {
85 xbt_die("Please activate SMPI support in cmake to use the IB network model.");
89 void surf_network_model_init_NS3() {
90 xbt_die("Please activate NS3 support in cmake and install the dependencies to use the NS3 network model.");
94 s_surf_model_description_t surf_cpu_model_description[] = {
95 {"Cas01", "Simplistic CPU model (time=size/power).", &surf_cpu_model_init_Cas01},
96 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
99 s_surf_model_description_t surf_host_model_description[] = {
100 {"default", "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)", &surf_host_model_init_current_default},
101 {"compound", "Host model that is automatically chosen if you change the network and CPU models", &surf_host_model_init_compound},
102 {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks", &surf_host_model_init_ptask_L07},
103 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
106 s_surf_model_description_t surf_optimization_mode_description[] = {
107 {"Lazy", "Lazy action management (partial invalidation in lmm + heap in action remaining).", nullptr},
108 {"TI", "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU model for now).", nullptr},
109 {"Full", "Full update of remaining and variables. Slow but may be useful when debugging.", nullptr},
110 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
113 s_surf_model_description_t surf_storage_model_description[] = {
114 {"default", "Simplistic storage model.", &surf_storage_model_init_default},
115 {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
118 #if HAVE_THREAD_CONTEXTS
119 static xbt_parmap_t surf_parmap = nullptr; /* parallel map on models */
124 double surf_get_clock()
130 # define FILE_DELIM "\\"
132 # define FILE_DELIM "/" /* FIXME: move to better location */
135 std::ifstream* surf_ifsopen(const char* name)
137 std::ifstream* fs = new std::ifstream();
139 if (__surf_is_absolute_file_path(name)) { /* don't mess with absolute file names */
140 fs->open(name, std::ifstream::in);
143 /* search relative files in the path */
144 for (auto path_elm : surf_path) {
145 std::string buff = path_elm + FILE_DELIM + name;
146 fs->open(buff.c_str(), std::ifstream::in);
148 if (not fs->fail()) {
149 XBT_DEBUG("Found file at %s", buff.c_str());
156 FILE *surf_fopen(const char *name, const char *mode)
158 FILE *file = nullptr;
162 if (__surf_is_absolute_file_path(name)) /* don't mess with absolute file names */
163 return fopen(name, mode);
165 /* search relative files in the path */
166 for (auto path_elm : surf_path) {
167 std::string buff = path_elm + FILE_DELIM + name;
168 file = fopen(buff.c_str(), mode);
179 static const char *disk_drives_letter_table[MAX_DRIVE] = {
180 "A:\\","B:\\","C:\\","D:\\","E:\\","F:\\","G:\\","H:\\","I:\\","J:\\","K:\\","L:\\","M:\\",
181 "N:\\","O:\\","P:\\","Q:\\","R:\\","S:\\","T:\\","U:\\","V:\\","W:\\","X:\\","Y:\\","Z:\\"
186 * Returns the initial path. On Windows the initial path is
187 * the current directory for the current process in the other
188 * case the function returns "./" that represents the current
189 * directory on Unix/Linux platforms.
192 const char *__surf_get_initial_path()
197 char current_directory[MAX_PATH + 1] = { 0 };
198 unsigned int len = GetCurrentDirectory(MAX_PATH + 1, current_directory);
199 char root[4] = { 0 };
204 strncpy(root, current_directory, 3);
206 for (i = 0; i < MAX_DRIVE; i++) {
207 if (toupper(root[0]) == disk_drives_letter_table[i][0])
208 return disk_drives_letter_table[i];
217 /* The __surf_is_absolute_file_path() returns 1 if
218 * file_path is a absolute file path, in the other
219 * case the function returns 0.
221 int __surf_is_absolute_file_path(const char *file_path)
224 WIN32_FIND_DATA wfd = { 0 };
225 HANDLE hFile = FindFirstFile(file_path, &wfd);
227 if (INVALID_HANDLE_VALUE == hFile)
233 return (file_path[0] == '/');
237 /** Displays the long description of all registered models, and quit */
238 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", category);
241 for (int i = 0; table[i].name; i++)
242 printf(" %s: %s\n", table[i].name, table[i].description);
245 int find_model_description(s_surf_model_description_t * table,
249 char *name_list = nullptr;
251 for (i = 0; table[i].name; i++)
252 if (not strcmp(name, table[i].name)) {
255 if (not table[0].name)
256 xbt_die("No model is valid! This is a bug.");
257 name_list = xbt_strdup(table[0].name);
258 for (i = 1; table[i].name; i++) {
259 name_list = (char *) xbt_realloc(name_list, strlen(name_list) + strlen(table[i].name) + 3);
260 strncat(name_list, ", ", 2);
261 strncat(name_list, table[i].name, strlen(table[i].name));
263 xbt_die("Model '%s' is invalid! Valid models are: %s.", name, name_list);
267 void sg_version_check(int lib_version_major, int lib_version_minor, int lib_version_patch)
269 if ((lib_version_major != SIMGRID_VERSION_MAJOR) || (lib_version_minor != SIMGRID_VERSION_MINOR)) {
270 fprintf(stderr, "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
271 "and then linked against SimGrid %d.%d.%d. Please fix this.\n",
272 lib_version_major, lib_version_minor, lib_version_patch, SIMGRID_VERSION_MAJOR, SIMGRID_VERSION_MINOR,
273 SIMGRID_VERSION_PATCH);
276 if (lib_version_patch != SIMGRID_VERSION_PATCH) {
277 if (SIMGRID_VERSION_PATCH >= 90 || lib_version_patch >= 90) {
280 "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
281 "and then linked against SimGrid %d.%d.%d. \n"
282 "One of them is a development version, and should not be mixed with the stable release. Please fix this.\n",
283 lib_version_major, lib_version_minor, lib_version_patch, SIMGRID_VERSION_MAJOR, SIMGRID_VERSION_MINOR,
284 SIMGRID_VERSION_PATCH);
287 fprintf(stderr, "Warning: Your program was compiled with SimGrid version %d.%d.%d, "
288 "and then linked against SimGrid %d.%d.%d. Proceeding anyway.\n",
289 lib_version_major, lib_version_minor, lib_version_patch, SIMGRID_VERSION_MAJOR, SIMGRID_VERSION_MINOR,
290 SIMGRID_VERSION_PATCH);
294 void sg_version_get(int* ver_major, int* ver_minor, int* ver_patch)
296 *ver_major = SIMGRID_VERSION_MAJOR;
297 *ver_minor = SIMGRID_VERSION_MINOR;
298 *ver_patch = SIMGRID_VERSION_PATCH;
303 std::printf("This program was linked against %s (git: %s), found in %s.\n",
304 SIMGRID_VERSION_STRING, SIMGRID_GIT_VERSION, SIMGRID_INSTALL_PREFIX);
307 std::printf(" Model-checking support compiled in.\n");
309 std::printf(" Model-checking support disabled at compilation.\n");
313 std::printf(" NS3 support compiled in.\n");
315 std::printf(" NS3 support disabled at compilation.\n");
318 #if SIMGRID_HAVE_JEDULE
319 std::printf(" Jedule support compiled in.\n");
321 std::printf(" Jedule support disabled at compilation.\n");
325 std::printf(" Lua support compiled in.\n");
327 std::printf(" Lua support disabled at compilation.\n");
330 #if SIMGRID_HAVE_MALLOCATOR
331 std::printf(" Mallocator support compiled in.\n");
333 std::printf(" Mallocator support disabled at compilation.\n");
336 std::printf("\nTo cite SimGrid in a publication, please use:\n"
337 " Henri Casanova, Arnaud Giersch, Arnaud Legrand, Martin Quinson, Frédéric Suter. \n"
338 " Versatile, Scalable, and Accurate Simulation of Distributed Applications and Platforms. \n"
339 " Journal of Parallel and Distributed Computing, Elsevier, 2014, 74 (10), pp.2899-2917.\n");
340 std::printf("The pdf file and a BibTeX entry for LaTeX users can be found at http://hal.inria.fr/hal-01017319\n");
343 void surf_init(int *argc, char **argv)
345 if (USER_HOST_LEVEL != -1) // Already initialized
348 XBT_DEBUG("Create all Libs");
349 USER_HOST_LEVEL = simgrid::s4u::Host::extension_create(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 for (auto e : storage_types) {
373 storage_type_t stype = e.second;
375 free(stype->type_id);
376 free(stype->content);
377 xbt_dict_free(&(stype->properties));
378 delete stype->model_properties;
381 for (auto s : *simgrid::surf::StorageImpl::storagesMap())
383 delete simgrid::surf::StorageImpl::storagesMap();
385 for (auto model : *all_existing_models)
387 delete all_existing_models;
389 simgrid::surf::surfExitCallbacks();
391 if (future_evt_set) {
392 delete future_evt_set;
393 future_evt_set = nullptr;
396 #if HAVE_THREAD_CONTEXTS
397 xbt_parmap_destroy(surf_parmap);
402 simgrid::s4u::Engine::shutdown();
404 NOW = 0; /* Just in case the user plans to restart the simulation afterward */
415 : maxminSystem_(nullptr)
417 readyActionSet_ = new ActionList();
418 runningActionSet_ = new ActionList();
419 failedActionSet_ = new ActionList();
420 doneActionSet_ = new ActionList();
422 modifiedSet_ = nullptr;
423 actionHeap_ = nullptr;
424 updateMechanism_ = UM_UNDEFINED;
425 selectiveUpdate_ = 0;
429 delete readyActionSet_;
430 delete runningActionSet_;
431 delete failedActionSet_;
432 delete doneActionSet_;
435 double Model::nextOccuringEvent(double now)
437 //FIXME: set the good function once and for all
438 if (updateMechanism_ == UM_LAZY)
439 return nextOccuringEventLazy(now);
440 else if (updateMechanism_ == UM_FULL)
441 return nextOccuringEventFull(now);
443 xbt_die("Invalid cpu update mechanism!");
446 double Model::nextOccuringEventLazy(double now)
448 XBT_DEBUG("Before share resources, the size of modified actions set is %zu", modifiedSet_->size());
449 lmm_solve(maxminSystem_);
450 XBT_DEBUG("After share resources, The size of modified actions set is %zu", modifiedSet_->size());
452 while (not modifiedSet_->empty()) {
453 Action *action = &(modifiedSet_->front());
454 modifiedSet_->pop_front();
455 bool max_dur_flag = false;
457 if (action->getStateSet() != runningActionSet_)
460 /* bogus priority, skip it */
461 if (action->getPriority() <= 0 || action->getHat()==LATENCY)
464 action->updateRemainingLazy(now);
467 double share = lmm_variable_getvalue(action->getVariable());
470 double time_to_completion;
471 if (action->getRemains() > 0) {
472 time_to_completion = action->getRemainsNoUpdate() / share;
474 time_to_completion = 0.0;
476 min = now + time_to_completion; // when the task will complete if nothing changes
479 if ((action->getMaxDuration() > NO_MAX_DURATION) &&
480 (min <= -1 || action->getStartTime() + action->getMaxDuration() < min)) {
481 // when the task will complete anyway because of the deadline if any
482 min = action->getStartTime() + action->getMaxDuration();
486 XBT_DEBUG("Action(%p) corresponds to variable %d", action, action->getVariable()->id_int);
488 XBT_DEBUG("Action(%p) Start %f. May finish at %f (got a share of %f). Max_duration %f", action,
489 action->getStartTime(), min, share,
490 action->getMaxDuration());
493 action->heapUpdate(actionHeap_, min, max_dur_flag ? MAX_DURATION : NORMAL);
494 XBT_DEBUG("Insert at heap action(%p) min %f now %f", action, min, now);
499 //hereafter must have already the min value for this resource model
500 if (xbt_heap_size(actionHeap_) > 0) {
501 double min = xbt_heap_maxkey(actionHeap_) - now;
502 XBT_DEBUG("minimum with the HEAP %f", min);
505 XBT_DEBUG("The HEAP is empty, thus returning -1");
510 double Model::nextOccuringEventFull(double /*now*/) {
511 maxminSystem_->solve_fun(maxminSystem_);
514 for (auto it(getRunningActionSet()->begin()), itend(getRunningActionSet()->end()); it != itend ; ++it) {
515 Action *action = &*it;
516 double value = lmm_variable_getvalue(action->getVariable());
518 if (action->getRemains() > 0)
519 value = action->getRemainsNoUpdate() / value;
522 if (min < 0 || value < min) {
524 XBT_DEBUG("Updating min (value) with %p: %f", action, min);
527 if ((action->getMaxDuration() >= 0) && (min<0 || action->getMaxDuration() < min)) {
528 min = action->getMaxDuration();
529 XBT_DEBUG("Updating min (duration) with %p: %f", action, min);
532 XBT_DEBUG("min value : %f", min);
537 void Model::updateActionsState(double now, double delta)
539 if (updateMechanism_ == UM_FULL)
540 updateActionsStateFull(now, delta);
541 else if (updateMechanism_ == UM_LAZY)
542 updateActionsStateLazy(now, delta);
544 xbt_die("Invalid cpu update mechanism!");
547 void Model::updateActionsStateLazy(double /*now*/, double /*delta*/)
552 void Model::updateActionsStateFull(double /*now*/, double /*delta*/)
567 Resource::Resource(Model* model, const char* name, lmm_constraint_t constraint)
568 : name_(name), model_(model), constraint_(constraint)
571 Resource::~Resource() = default;
573 bool Resource::isOn() const {
576 bool Resource::isOff() const {
580 void Resource::turnOn()
585 void Resource::turnOff()
590 Model* Resource::model() const
595 const char* Resource::cname() const
597 return name_.c_str();
600 bool Resource::operator==(const Resource &other) const {
601 return name_ == other.name_;
604 lmm_constraint_t Resource::constraint() const
616 const char *surf_action_state_names[6] = {
618 "SURF_ACTION_RUNNING",
619 "SURF_ACTION_FAILED",
621 "SURF_ACTION_TO_FREE",
622 "SURF_ACTION_NOT_IN_THE_SYSTEM"
625 /* added to manage the communication action's heap */
626 void surf_action_lmm_update_index_heap(void *action, int i) {
627 static_cast<simgrid::surf::Action*>(action)->updateIndexHeap(i);
633 Action::Action(simgrid::surf::Model* model, double cost, bool failed) : Action(model, cost, failed, nullptr)
637 Action::Action(simgrid::surf::Model* model, double cost, bool failed, lmm_variable_t var)
638 : remains_(cost), start_(surf_get_clock()), cost_(cost), model_(model), variable_(var)
641 stateSet_ = getModel()->getFailedActionSet();
643 stateSet_ = getModel()->getRunningActionSet();
645 stateSet_->push_back(*this);
652 void Action::finish() {
653 finishTime_ = surf_get_clock();
656 Action::State Action::getState()
658 if (stateSet_ == model_->getReadyActionSet())
659 return Action::State::ready;
660 if (stateSet_ == model_->getRunningActionSet())
661 return Action::State::running;
662 if (stateSet_ == model_->getFailedActionSet())
663 return Action::State::failed;
664 if (stateSet_ == model_->getDoneActionSet())
665 return Action::State::done;
666 return Action::State::not_in_the_system;
669 void Action::setState(Action::State state)
671 stateSet_->erase(stateSet_->iterator_to(*this));
673 case Action::State::ready:
674 stateSet_ = model_->getReadyActionSet();
676 case Action::State::running:
677 stateSet_ = model_->getRunningActionSet();
679 case Action::State::failed:
680 stateSet_ = model_->getFailedActionSet();
682 case Action::State::done:
683 stateSet_ = model_->getDoneActionSet();
690 stateSet_->push_back(*this);
693 double Action::getBound()
695 return (variable_) ? lmm_variable_getbound(variable_) : 0;
698 void Action::setBound(double bound)
700 XBT_IN("(%p,%g)", this, bound);
702 lmm_update_variable_bound(getModel()->getMaxminSystem(), variable_, bound);
704 if (getModel()->getUpdateMechanism() == UM_LAZY && getLastUpdate() != surf_get_clock())
705 heapRemove(getModel()->getActionHeap());
709 double Action::getStartTime()
714 double Action::getFinishTime()
716 /* keep the function behavior, some models (cpu_ti) change the finish time before the action end */
717 return remains_ <= 0 ? finishTime_ : -1;
720 void Action::setData(void* data)
725 void Action::setCategory(const char *category)
727 category_ = xbt_strdup(category);
734 void Action::setMaxDuration(double duration)
736 maxDuration_ = duration;
737 if (getModel()->getUpdateMechanism() == UM_LAZY) // remove action from the heap
738 heapRemove(getModel()->getActionHeap());
741 void Action::setSharingWeight(double weight)
743 XBT_IN("(%p,%g)", this, weight);
744 sharingWeight_ = weight;
745 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), weight);
747 if (getModel()->getUpdateMechanism() == UM_LAZY)
748 heapRemove(getModel()->getActionHeap());
752 void Action::cancel(){
753 setState(Action::State::failed);
754 if (getModel()->getUpdateMechanism() == UM_LAZY) {
755 if (action_lmm_hook.is_linked())
756 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
757 heapRemove(getModel()->getActionHeap());
764 if (action_hook.is_linked())
765 stateSet_->erase(stateSet_->iterator_to(*this));
767 lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
768 if (getModel()->getUpdateMechanism() == UM_LAZY) {
769 /* remove from heap */
770 heapRemove(getModel()->getActionHeap());
771 if (action_lmm_hook.is_linked())
772 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
780 void Action::suspend()
782 XBT_IN("(%p)", this);
783 if (suspended_ != 2) {
784 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
785 if (getModel()->getUpdateMechanism() == UM_LAZY){
786 heapRemove(getModel()->getActionHeap());
787 if (getModel()->getUpdateMechanism() == UM_LAZY && stateSet_ == getModel()->getRunningActionSet() &&
788 sharingWeight_ > 0) {
789 //If we have a lazy model, we need to update the remaining value accordingly
790 updateRemainingLazy(surf_get_clock());
798 void Action::resume()
800 XBT_IN("(%p)", this);
801 if (suspended_ != 2) {
802 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), sharingWeight_);
804 if (getModel()->getUpdateMechanism() == UM_LAZY)
805 heapRemove(getModel()->getActionHeap());
810 bool Action::isSuspended()
812 return suspended_ == 1;
814 /* insert action on heap using a given key and a hat (heap_action_type)
815 * a hat can be of three types for communications:
817 * NORMAL = this is a normal heap entry stating the date to finish transmitting
818 * LATENCY = this is a heap entry to warn us when the latency is payed
819 * MAX_DURATION =this is a heap entry to warn us when the max_duration limit is reached
821 void Action::heapInsert(xbt_heap_t heap, double key, enum heap_action_type hat)
824 xbt_heap_push(heap, this, key);
827 void Action::heapRemove(xbt_heap_t heap)
830 if (indexHeap_ >= 0) {
831 xbt_heap_remove(heap, indexHeap_);
835 void Action::heapUpdate(xbt_heap_t heap, double key, enum heap_action_type hat)
838 if (indexHeap_ >= 0) {
839 xbt_heap_update(heap, indexHeap_, key);
841 xbt_heap_push(heap, this, key);
845 void Action::updateIndexHeap(int i) {
849 double Action::getRemains()
851 XBT_IN("(%p)", this);
852 /* update remains before return it */
853 if (getModel()->getUpdateMechanism() == UM_LAZY) /* update remains before return it */
854 updateRemainingLazy(surf_get_clock());
859 double Action::getRemainsNoUpdate()
864 //FIXME split code in the right places
865 void Action::updateRemainingLazy(double now)
869 if(getModel() == surf_network_model)
876 xbt_assert(stateSet_ == getModel()->getRunningActionSet(), "You're updating an action that is not running.");
877 xbt_assert(sharingWeight_ > 0, "You're updating an action that seems suspended.");
880 delta = now - lastUpdate_;
883 XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, remains_, lastUpdate_);
884 double_update(&remains_, lastValue_ * delta, sg_surf_precision*sg_maxmin_precision);
886 if (getModel() == surf_cpu_model_pm && TRACE_is_enabled()) {
887 simgrid::surf::Resource *cpu = static_cast<simgrid::surf::Resource*>(
888 lmm_constraint_id(lmm_get_cnst_from_var(getModel()->getMaxminSystem(), getVariable(), 0)));
889 TRACE_surf_host_set_utilization(cpu->cname(), getCategory(), lastValue_, lastUpdate_, now - lastUpdate_);
891 XBT_DEBUG("Updating action(%p): remains is now %f", this, remains_);
894 if(getModel() == surf_network_model)
896 if (maxDuration_ != NO_MAX_DURATION)
897 double_update(&maxDuration_, delta, sg_surf_precision);
899 //FIXME: duplicated code
900 if (((remains_ <= 0) && (lmm_get_variable_weight(getVariable()) > 0)) ||
901 ((maxDuration_ > NO_MAX_DURATION) && (maxDuration_ <= 0))) {
903 setState(Action::State::done);
904 heapRemove(getModel()->getActionHeap());
909 lastValue_ = lmm_variable_getvalue(getVariable());