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 "src/internal_config.h"
8 #include "surf_private.h"
9 #include "surf_interface.hpp"
10 #include "network_interface.hpp"
11 #include "cpu_interface.hpp"
12 #include "src/surf/HostImpl.hpp"
13 #include "src/simix/smx_host_private.h"
14 #include "surf_routing.hpp"
15 #include "simgrid/sg_config.h"
17 #include "virtual_machine.hpp"
18 #include "src/instr/instr_private.h" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals
20 XBT_LOG_NEW_CATEGORY(surf, "All SURF categories");
21 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf, "Logging specific to SURF (kernel)");
27 /* model_list_invoke contains only surf_host and surf_vm.
28 * The callback functions of cpu_model and network_model will be called from 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; /* to invoke callbacks */
32 simgrid::trace_mgr::future_evt_set *future_evt_set = nullptr;
33 xbt_dynar_t surf_path = NULL;
34 xbt_dynar_t host_that_restart = xbt_dynar_new(sizeof(char*), NULL);
35 xbt_dict_t watched_hosts_lib;
40 simgrid::xbt::signal<void(void)> surfExitCallbacks;
45 #include <simgrid/plugins/energy.h> // FIXME: this plugin should not be linked to the core
47 s_surf_model_description_t surf_plugin_description[] = {
48 {"Energy", "Cpu energy consumption.", sg_energy_plugin_init},
49 {NULL, NULL, NULL} /* this array must be NULL terminated */
52 /* Don't forget to update the option description in smx_config when you change this */
53 s_surf_model_description_t surf_network_model_description[] = {
54 {"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). ",
55 surf_network_model_init_LegrandVelho},
57 "Simplistic network model where all communication take a constant time (one second). This model 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 correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)",
60 surf_network_model_init_SMPI},
61 {"IB", "Realistic network model specifically tailored for HPC settings, with Infiniband contention model",
62 surf_network_model_init_IB},
63 {"CM02", "Legacy network analytic model (Very similar to LV08, but without corrective factors. The timings of small messages are thus poorly modeled).",
64 surf_network_model_init_CM02},
66 {"NS3", "Network pseudo-model using the NS3 tcp model instead of an analytic model", surf_network_model_init_NS3},
68 {"Reno", "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_Reno},
70 {"Reno2", "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
71 surf_network_model_init_Reno2},
72 {"Vegas", "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 {NULL, NULL, NULL} /* this array must be NULL terminated */
77 s_surf_model_description_t surf_cpu_model_description[] = {
78 {"Cas01", "Simplistic CPU model (time=size/power).", surf_cpu_model_init_Cas01},
79 {NULL, NULL, NULL} /* this array must be NULL terminated */
82 s_surf_model_description_t surf_host_model_description[] = {
83 {"default", "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)", surf_host_model_init_current_default},
84 {"compound", "Host model that is automatically chosen if you change the network and CPU models", surf_host_model_init_compound},
85 {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks", surf_host_model_init_ptask_L07},
86 {NULL, NULL, NULL} /* this array must be NULL terminated */
89 s_surf_model_description_t surf_vm_model_description[] = {
90 {"default", "Default vm model.", surf_vm_model_init_HL13},
91 {NULL, NULL, NULL} /* this array must be NULL terminated */
94 s_surf_model_description_t surf_optimization_mode_description[] = {
95 {"Lazy", "Lazy action management (partial invalidation in lmm + heap in action remaining).", NULL},
96 {"TI", "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU model for now).", NULL},
97 {"Full", "Full update of remaining and variables. Slow but may be useful when debugging.", NULL},
98 {NULL, NULL, NULL} /* this array must be NULL terminated */
101 s_surf_model_description_t surf_storage_model_description[] = {
102 {"default", "Simplistic storage model.", surf_storage_model_init_default},
103 {NULL, NULL, NULL} /* this array must be NULL terminated */
106 #if HAVE_THREAD_CONTEXTS
107 static xbt_parmap_t surf_parmap = NULL; /* parallel map on models */
112 double surf_get_clock(void)
118 # define FILE_DELIM "\\"
120 # define FILE_DELIM "/" /* FIXME: move to better location */
123 FILE *surf_fopen(const char *name, const char *mode)
126 char *path_elm = NULL;
132 if (__surf_is_absolute_file_path(name)) /* don't mess with absolute file names */
133 return fopen(name, mode);
135 /* search relative files in the path */
136 xbt_dynar_foreach(surf_path, cpt, path_elm) {
137 buff = bprintf("%s" FILE_DELIM "%s", path_elm, name);
138 file = fopen(buff, mode);
150 static const char *disk_drives_letter_table[MAX_DRIVE] = {
151 "A:\\","B:\\","C:\\","D:\\","E:\\","F:\\","G:\\","H:\\","I:\\","J:\\","K:\\","L:\\","M:\\",
152 "N:\\","O:\\","P:\\","Q:\\","R:\\","S:\\","T:\\","U:\\","V:\\","W:\\","X:\\","Y:\\","Z:\\"
157 * Returns the initial path. On Windows the initial path is
158 * the current directory for the current process in the other
159 * case the function returns "./" that represents the current
160 * directory on Unix/Linux platforms.
163 const char *__surf_get_initial_path(void)
168 char current_directory[MAX_PATH + 1] = { 0 };
169 unsigned int len = GetCurrentDirectory(MAX_PATH + 1, current_directory);
170 char root[4] = { 0 };
175 strncpy(root, current_directory, 3);
177 for (i = 0; i < MAX_DRIVE; i++) {
178 if (toupper(root[0]) == disk_drives_letter_table[i][0])
179 return disk_drives_letter_table[i];
188 /* The __surf_is_absolute_file_path() returns 1 if
189 * file_path is a absolute file path, in the other
190 * case the function returns 0.
192 int __surf_is_absolute_file_path(const char *file_path)
195 WIN32_FIND_DATA wfd = { 0 };
196 HANDLE hFile = FindFirstFile(file_path, &wfd);
198 if (INVALID_HANDLE_VALUE == hFile)
204 return (file_path[0] == '/');
208 /** Displays the long description of all registered models, and quit */
209 void model_help(const char *category, s_surf_model_description_t * table)
211 printf("Long description of the %s models accepted by this simulator:\n", category);
212 for (int i = 0; table[i].name; i++)
213 printf(" %s: %s\n", table[i].name, table[i].description);
216 int find_model_description(s_surf_model_description_t * table,
220 char *name_list = NULL;
222 for (i = 0; table[i].name; i++)
223 if (!strcmp(name, table[i].name)) {
227 xbt_die("No model is valid! This is a bug.");
228 name_list = xbt_strdup(table[0].name);
229 for (i = 1; table[i].name; i++) {
230 name_list = (char *) xbt_realloc(name_list, strlen(name_list) + strlen(table[i].name) + 3);
231 strcat(name_list, ", ");
232 strcat(name_list, table[i].name);
234 xbt_die("Model '%s' is invalid! Valid models are: %s.", name, name_list);
238 static inline void surf_storage_free(void *r)
240 delete static_cast<simgrid::surf::Storage*>(r);
243 void sg_version_check(int lib_version_major,int lib_version_minor,int lib_version_patch) {
244 if ((lib_version_major != SIMGRID_VERSION_MAJOR) || (lib_version_minor != SIMGRID_VERSION_MINOR)) {
246 "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
247 "and then linked against SimGrid %d.%d.%d. Please fix this.\n",
248 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,
249 lib_version_major,lib_version_minor,lib_version_patch);
252 if (lib_version_patch != SIMGRID_VERSION_PATCH) {
254 "Warning: Your program was compiled with SimGrid version %d.%d.%d, "
255 "and then linked against SimGrid %d.%d.%d. Proceeding anyway.\n",
256 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,
257 lib_version_major,lib_version_minor,lib_version_patch);
261 void sg_version(int *ver_major,int *ver_minor,int *ver_patch) {
262 *ver_major = SIMGRID_VERSION_MAJOR;
263 *ver_minor = SIMGRID_VERSION_MINOR;
264 *ver_patch = SIMGRID_VERSION_PATCH;
267 void surf_init(int *argc, char **argv)
269 if (host_list != nullptr) // Already initialized
272 XBT_DEBUG("Create all Libs");
273 host_list = xbt_dict_new_homogeneous([](void*p) {
274 simgrid::s4u::Host* host = static_cast<simgrid::s4u::Host*>(p);
275 simgrid::s4u::Host::onDestruction(*host);
278 USER_HOST_LEVEL = simgrid::s4u::Host::extension_create(NULL);
280 as_router_lib = xbt_lib_new();
281 storage_lib = xbt_lib_new();
282 storage_type_lib = xbt_lib_new();
283 file_lib = xbt_lib_new();
284 watched_hosts_lib = xbt_dict_new_homogeneous(NULL);
287 XBT_DEBUG("Add routing levels");
288 ROUTING_PROP_ASR_LEVEL = xbt_lib_add_level(as_router_lib, NULL);
290 XBT_DEBUG("Add SURF levels");
291 simgrid::surf::HostImpl::classInit();
292 SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_free);
294 xbt_init(argc, argv);
295 if (!all_existing_models)
296 all_existing_models = xbt_dynar_new(sizeof(simgrid::surf::Model*), NULL);
297 if (!model_list_invoke)
298 model_list_invoke = xbt_dynar_new(sizeof(simgrid::surf::Model*), NULL);
300 future_evt_set = new simgrid::trace_mgr::future_evt_set();
302 TRACE_add_start_function(TRACE_surf_alloc);
303 TRACE_add_end_function(TRACE_surf_release);
305 sg_config_init(argc, argv);
314 simgrid::surf::Model *model = NULL;
316 TRACE_end(); /* Just in case it was not called by the upper
317 * layer (or there is no upper layer) */
319 sg_config_finalize();
321 xbt_dynar_free(&host_that_restart);
322 xbt_dynar_free(&surf_path);
324 xbt_dict_free(&host_list);
325 xbt_lib_free(&as_router_lib);
326 xbt_lib_free(&storage_lib);
328 xbt_lib_free(&storage_type_lib);
329 xbt_lib_free(&file_lib);
330 xbt_dict_free(&watched_hosts_lib);
332 xbt_dynar_foreach(all_existing_models, iter, model)
334 xbt_dynar_free(&all_existing_models);
335 xbt_dynar_free(&model_list_invoke);
338 simgrid::surf::surfExitCallbacks();
340 if (future_evt_set) {
341 delete future_evt_set;
342 future_evt_set = nullptr;
345 #if HAVE_THREAD_CONTEXTS
346 xbt_parmap_destroy(surf_parmap);
352 NOW = 0; /* Just in case the user plans to restart the simulation afterward */
363 : maxminSystem_(NULL)
365 readyActionSet_ = new ActionList();
366 runningActionSet_ = new ActionList();
367 failedActionSet_ = new ActionList();
368 doneActionSet_ = new ActionList();
372 updateMechanism_ = UM_UNDEFINED;
373 selectiveUpdate_ = 0;
377 delete readyActionSet_;
378 delete runningActionSet_;
379 delete failedActionSet_;
380 delete doneActionSet_;
383 double Model::next_occuring_event(double now)
385 //FIXME: set the good function once and for all
386 if (updateMechanism_ == UM_LAZY)
387 return next_occuring_event_lazy(now);
388 else if (updateMechanism_ == UM_FULL)
389 return next_occuring_event_full(now);
391 xbt_die("Invalid cpu update mechanism!");
394 double Model::next_occuring_event_lazy(double now)
396 Action *action = NULL;
401 ("Before share resources, the size of modified actions set is %zd",
402 modifiedSet_->size());
404 lmm_solve(maxminSystem_);
407 ("After share resources, The size of modified actions set is %zd",
408 modifiedSet_->size());
410 while(!modifiedSet_->empty()) {
411 action = &(modifiedSet_->front());
412 modifiedSet_->pop_front();
413 int max_dur_flag = 0;
415 if (action->getStateSet() != runningActionSet_)
418 /* bogus priority, skip it */
419 if (action->getPriority() <= 0 || action->getHat()==LATENCY)
422 action->updateRemainingLazy(now);
425 share = lmm_variable_getvalue(action->getVariable());
428 double time_to_completion;
429 if (action->getRemains() > 0) {
430 time_to_completion = action->getRemainsNoUpdate() / share;
432 time_to_completion = 0.0;
434 min = now + time_to_completion; // when the task will complete if nothing changes
437 if ((action->getMaxDuration() != NO_MAX_DURATION)
439 || action->getStartTime() +
440 action->getMaxDuration() < min)) {
441 min = action->getStartTime() +
442 action->getMaxDuration(); // when the task will complete anyway because of the deadline if any
447 XBT_DEBUG("Action(%p) corresponds to variable %d", action, action->getVariable()->id_int);
449 XBT_DEBUG("Action(%p) Start %f. May finish at %f (got a share of %f). Max_duration %f", action,
450 action->getStartTime(), min, share,
451 action->getMaxDuration());
454 action->heapUpdate(actionHeap_, min, max_dur_flag ? MAX_DURATION : NORMAL);
455 XBT_DEBUG("Insert at heap action(%p) min %f now %f", action, min,
457 } else DIE_IMPOSSIBLE;
460 //hereafter must have already the min value for this resource model
461 if (xbt_heap_size(actionHeap_) > 0)
462 min = xbt_heap_maxkey(actionHeap_) - now;
466 XBT_DEBUG("The minimum with the HEAP %f", min);
471 double Model::next_occuring_event_full(double /*now*/) {
475 double Model::shareResourcesMaxMin(ActionList *running_actions,
477 void (*solve) (lmm_system_t))
479 Action *action = NULL;
485 ActionList::iterator it(running_actions->begin()), itend(running_actions->end());
486 for(; it != itend ; ++it) {
488 value = lmm_variable_getvalue(action->getVariable());
489 if ((value > 0) || (action->getMaxDuration() >= 0))
497 if (action->getRemains() > 0)
498 min = action->getRemainsNoUpdate() / value;
501 if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min))
502 min = action->getMaxDuration();
504 min = action->getMaxDuration();
507 for (++it; it != itend; ++it) {
509 value = lmm_variable_getvalue(action->getVariable());
511 if (action->getRemains() > 0)
512 value = action->getRemainsNoUpdate() / value;
517 XBT_DEBUG("Updating min (value) with %p: %f", action, min);
520 if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min)) {
521 min = action->getMaxDuration();
522 XBT_DEBUG("Updating min (duration) with %p: %f", action, min);
525 XBT_DEBUG("min value : %f", min);
530 void Model::updateActionsState(double now, double delta)
532 if (updateMechanism_ == UM_FULL)
533 updateActionsStateFull(now, delta);
534 else if (updateMechanism_ == UM_LAZY)
535 updateActionsStateLazy(now, delta);
537 xbt_die("Invalid cpu update mechanism!");
540 void Model::updateActionsStateLazy(double /*now*/, double /*delta*/)
545 void Model::updateActionsStateFull(double /*now*/, double /*delta*/)
560 Resource::Resource(Model *model, const char *name)
561 : Resource(model, name, 1/*ON*/)
564 Resource::Resource(Model *model, const char *name, lmm_constraint_t constraint)
565 : Resource(model, name, constraint, 1/*ON*/)
568 Resource::Resource(Model *model, const char *name, lmm_constraint_t constraint, int initiallyOn)
569 : p_name(xbt_strdup(name))
571 , m_isOn(initiallyOn)
572 , p_constraint(constraint)
575 Resource::Resource(Model *model, const char *name, int initiallyOn)
576 : p_name(xbt_strdup(name))
578 , m_isOn(initiallyOn)
582 Resource::~Resource() {
583 xbt_free((void*)p_name);
586 bool Resource::isOn() {
589 bool Resource::isOff() {
593 void Resource::turnOn()
600 void Resource::turnOff()
607 Model *Resource::getModel() {
611 const char *Resource::getName() {
615 lmm_constraint_t Resource::getConstraint() {
626 const char *surf_action_state_names[6] = {
628 "SURF_ACTION_RUNNING",
629 "SURF_ACTION_FAILED",
631 "SURF_ACTION_TO_FREE",
632 "SURF_ACTION_NOT_IN_THE_SYSTEM"
635 /* added to manage the communication action's heap */
636 void surf_action_lmm_update_index_heap(void *action, int i) {
637 static_cast<simgrid::surf::Action*>(action)->updateIndexHeap(i);
643 void Action::initialize(simgrid::surf::Model *model, double cost, bool failed,
647 m_start = surf_get_clock();
652 p_stateSet = getModel()->getFailedActionSet();
654 p_stateSet = getModel()->getRunningActionSet();
656 p_stateSet->push_back(*this);
659 Action::Action(simgrid::surf::Model *model, double cost, bool failed)
661 initialize(model, cost, failed);
664 Action::Action(simgrid::surf::Model *model, double cost, bool failed, lmm_variable_t var)
666 initialize(model, cost, failed, var);
670 xbt_free(p_category);
673 void Action::finish() {
674 m_finish = surf_get_clock();
677 e_surf_action_state_t Action::getState()
679 if (p_stateSet == getModel()->getReadyActionSet())
680 return SURF_ACTION_READY;
681 if (p_stateSet == getModel()->getRunningActionSet())
682 return SURF_ACTION_RUNNING;
683 if (p_stateSet == getModel()->getFailedActionSet())
684 return SURF_ACTION_FAILED;
685 if (p_stateSet == getModel()->getDoneActionSet())
686 return SURF_ACTION_DONE;
687 return SURF_ACTION_NOT_IN_THE_SYSTEM;
690 void Action::setState(e_surf_action_state_t state)
692 //surf_action_state_t action_state = &(action->model_type->states);
693 XBT_IN("(%p,%s)", this, surf_action_state_names[state]);
694 p_stateSet->erase(p_stateSet->iterator_to(*this));
695 if (state == SURF_ACTION_READY)
696 p_stateSet = getModel()->getReadyActionSet();
697 else if (state == SURF_ACTION_RUNNING)
698 p_stateSet = getModel()->getRunningActionSet();
699 else if (state == SURF_ACTION_FAILED)
700 p_stateSet = getModel()->getFailedActionSet();
701 else if (state == SURF_ACTION_DONE)
702 p_stateSet = getModel()->getDoneActionSet();
707 p_stateSet->push_back(*this);
711 double Action::getBound()
713 return (p_variable) ? lmm_variable_getbound(p_variable) : 0;
716 void Action::setBound(double bound)
718 XBT_IN("(%p,%g)", this, bound);
720 lmm_update_variable_bound(getModel()->getMaxminSystem(), p_variable, bound);
722 if (getModel()->getUpdateMechanism() == UM_LAZY && getLastUpdate()!=surf_get_clock())
723 heapRemove(getModel()->getActionHeap());
727 double Action::getStartTime()
732 double Action::getFinishTime()
734 /* keep the function behavior, some models (cpu_ti) change the finish time before the action end */
735 return m_remains == 0 ? m_finish : -1;
738 void Action::setData(void* data)
743 void Action::setCategory(const char *category)
745 XBT_IN("(%p,%s)", this, category);
746 p_category = xbt_strdup(category);
754 void Action::setMaxDuration(double duration)
756 XBT_IN("(%p,%g)", this, duration);
757 m_maxDuration = duration;
758 if (getModel()->getUpdateMechanism() == UM_LAZY) // remove action from the heap
759 heapRemove(getModel()->getActionHeap());
763 void Action::gapRemove() {}
765 void Action::setPriority(double priority)
767 XBT_IN("(%p,%g)", this, priority);
768 m_priority = priority;
769 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), priority);
771 if (getModel()->getUpdateMechanism() == UM_LAZY)
772 heapRemove(getModel()->getActionHeap());
776 void Action::cancel(){
777 setState(SURF_ACTION_FAILED);
778 if (getModel()->getUpdateMechanism() == UM_LAZY) {
779 if (action_lmm_hook.is_linked())
780 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
781 heapRemove(getModel()->getActionHeap());
788 if (action_hook.is_linked())
789 p_stateSet->erase(p_stateSet->iterator_to(*this));
791 lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
792 if (getModel()->getUpdateMechanism() == UM_LAZY) {
793 /* remove from heap */
794 heapRemove(getModel()->getActionHeap());
795 if (action_lmm_hook.is_linked())
796 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
804 void Action::suspend()
806 XBT_IN("(%p)", this);
807 if (m_suspended != 2) {
808 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
810 if (getModel()->getUpdateMechanism() == UM_LAZY)
811 heapRemove(getModel()->getActionHeap());
816 void Action::resume()
818 XBT_IN("(%p)", this);
819 if (m_suspended != 2) {
820 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), m_priority);
822 if (getModel()->getUpdateMechanism() == UM_LAZY)
823 heapRemove(getModel()->getActionHeap());
828 bool Action::isSuspended()
830 return m_suspended == 1;
832 /* insert action on heap using a given key and a hat (heap_action_type)
833 * a hat can be of three types for communications:
835 * NORMAL = this is a normal heap entry stating the date to finish transmitting
836 * LATENCY = this is a heap entry to warn us when the latency is payed
837 * MAX_DURATION =this is a heap entry to warn us when the max_duration limit is reached
839 void Action::heapInsert(xbt_heap_t heap, double key, enum heap_action_type hat)
842 xbt_heap_push(heap, this, key);
845 void Action::heapRemove(xbt_heap_t heap)
848 if (m_indexHeap >= 0) {
849 xbt_heap_remove(heap, m_indexHeap);
853 void Action::heapUpdate(xbt_heap_t heap, double key, enum heap_action_type hat)
856 if (m_indexHeap >= 0) {
857 xbt_heap_update(heap, m_indexHeap, key);
859 xbt_heap_push(heap, this, key);
863 void Action::updateIndexHeap(int i) {
867 double Action::getRemains()
869 XBT_IN("(%p)", this);
870 /* update remains before return it */
871 if (getModel()->getUpdateMechanism() == UM_LAZY) /* update remains before return it */
872 updateRemainingLazy(surf_get_clock());
877 double Action::getRemainsNoUpdate()
882 //FIXME split code in the right places
883 void Action::updateRemainingLazy(double now)
887 if(getModel() == surf_network_model)
889 if (m_suspended != 0)
894 xbt_assert(p_stateSet == getModel()->getRunningActionSet(),
895 "You're updating an action that is not running.");
897 /* bogus priority, skip it */
898 xbt_assert(m_priority > 0,
899 "You're updating an action that seems suspended.");
902 delta = now - m_lastUpdate;
905 XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, m_remains, m_lastUpdate);
906 double_update(&m_remains, m_lastValue * delta, sg_surf_precision*sg_maxmin_precision);
908 if (getModel() == surf_cpu_model_pm && TRACE_is_enabled()) {
909 simgrid::surf::Resource *cpu = static_cast<simgrid::surf::Resource*>(
910 lmm_constraint_id(lmm_get_cnst_from_var(getModel()->getMaxminSystem(), getVariable(), 0)));
911 TRACE_surf_host_set_utilization(cpu->getName(), getCategory(), m_lastValue, m_lastUpdate, now - m_lastUpdate);
913 XBT_DEBUG("Updating action(%p): remains is now %f", this, m_remains);
916 if(getModel() == surf_network_model)
918 if (m_maxDuration != NO_MAX_DURATION)
919 double_update(&m_maxDuration, delta, sg_surf_precision);
921 //FIXME: duplicated code
922 if ((m_remains <= 0) &&
923 (lmm_get_variable_weight(getVariable()) > 0)) {
925 setState(SURF_ACTION_DONE);
926 heapRemove(getModel()->getActionHeap());
927 } else if (((m_maxDuration != NO_MAX_DURATION)
928 && (m_maxDuration <= 0))) {
930 setState(SURF_ACTION_DONE);
931 heapRemove(getModel()->getActionHeap());
936 m_lastValue = lmm_variable_getvalue(getVariable());