1 /* Copyright (c) 2004-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "surf_private.h"
8 #include "surf_interface.hpp"
9 #include "network_interface.hpp"
10 #include "cpu_interface.hpp"
11 #include "host_interface.hpp"
12 #include "src/simix/smx_host_private.h"
13 #include "surf_routing.hpp"
14 #include "simgrid/sg_config.h"
16 #include "virtual_machine.hpp"
18 XBT_LOG_NEW_CATEGORY(surf, "All SURF categories");
19 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf,
20 "Logging specific to SURF (kernel)");
26 /* model_list_invoke contains only surf_host and surf_vm.
27 * The callback functions of cpu_model and network_model will be called from
28 * those of these host models. */
29 xbt_dynar_t model_list = NULL; /* for destroying all models correctly */
30 xbt_dynar_t model_list_invoke = NULL; /* for invoking callbacks */
32 tmgr_history_t history = NULL;
33 lmm_system_t maxmin_system = NULL;
34 xbt_dynar_t surf_path = NULL;
35 xbt_dynar_t host_that_restart = NULL;
36 xbt_dict_t watched_hosts_lib;
38 surf_callback(void, void) surfExitCallbacks;
40 s_surf_model_description_t surf_plugin_description[] = {
41 {"Energy", "Cpu energy consumption.", sg_energy_plugin_init},
42 {NULL, NULL, NULL} /* this array must be NULL terminated */
45 /* Don't forget to update the option description in smx_config when you change
47 s_surf_model_description_t surf_network_model_description[] = {
49 "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). ",
50 surf_network_model_init_LegrandVelho},
52 "Simplistic network model where all communication take a constant time (one second). This model provides the lowest realism, but is (marginally) faster.",
53 surf_network_model_init_Constant},
55 "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)",
56 surf_network_model_init_SMPI},
58 "Realistic network model specifically tailored for HPC settings, with Infiniband contention model",
59 surf_network_model_init_IB},
61 "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},
65 "Network pseudo-model using the NS3 tcp model instead of an analytic model",
66 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 {NULL, NULL, NULL} /* this array must be NULL terminated */
80 s_surf_model_description_t surf_cpu_model_description[] = {
82 "Simplistic CPU model (time=size/power).",
83 surf_cpu_model_init_Cas01},
84 {NULL, NULL, NULL} /* this array must be NULL terminated */
87 s_surf_model_description_t surf_host_model_description[] = {
89 "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)",
90 surf_host_model_init_current_default},
92 "Host model that is automatically chosen if you change the network and CPU models",
93 surf_host_model_init_compound},
94 {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks",
95 surf_host_model_init_ptask_L07},
96 {NULL, NULL, NULL} /* this array must be NULL terminated */
99 s_surf_model_description_t surf_vm_model_description[] = {
102 surf_vm_model_init_HL13},
103 {NULL, NULL, NULL} /* this array must be NULL terminated */
106 s_surf_model_description_t surf_optimization_mode_description[] = {
108 "Lazy action management (partial invalidation in lmm + heap in action remaining).",
111 "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU model for now).",
114 "Full update of remaining and variables. Slow but may be useful when debugging.",
116 {NULL, NULL, NULL} /* this array must be NULL terminated */
119 s_surf_model_description_t surf_storage_model_description[] = {
121 "Simplistic storage model.",
122 surf_storage_model_init_default},
123 {NULL, NULL, NULL} /* this array must be NULL terminated */
126 #ifdef CONTEXT_THREADS
127 static xbt_parmap_t surf_parmap = NULL; /* parallel map on models */
132 double surf_get_clock(void)
138 # define FILE_DELIM "\\"
140 # define FILE_DELIM "/" /* FIXME: move to better location */
143 FILE *surf_fopen(const char *name, const char *mode)
146 char *path_elm = NULL;
152 if (__surf_is_absolute_file_path(name)) /* don't mess with absolute file names */
153 return fopen(name, mode);
155 /* search relative files in the path */
156 xbt_dynar_foreach(surf_path, cpt, path_elm) {
157 buff = bprintf("%s" FILE_DELIM "%s", path_elm, name);
158 file = fopen(buff, mode);
170 static const char *disk_drives_letter_table[MAX_DRIVE] = {
171 "A:\\","B:\\","C:\\","D:\\","E:\\","F:\\","G:\\","H:\\","I:\\","J:\\","K:\\","L:\\","M:\\",
172 "N:\\","O:\\","P:\\","Q:\\","R:\\","S:\\","T:\\","U:\\","V:\\","W:\\","X:\\","Y:\\","Z:\\"
177 * Returns the initial path. On Windows the initial path is
178 * the current directory for the current process in the other
179 * case the function returns "./" that represents the current
180 * directory on Unix/Linux platforms.
183 const char *__surf_get_initial_path(void)
188 char current_directory[MAX_PATH + 1] = { 0 };
189 unsigned int len = GetCurrentDirectory(MAX_PATH + 1, current_directory);
190 char root[4] = { 0 };
195 strncpy(root, current_directory, 3);
197 for (i = 0; i < MAX_DRIVE; i++) {
198 if (toupper(root[0]) == disk_drives_letter_table[i][0])
199 return disk_drives_letter_table[i];
208 /* The __surf_is_absolute_file_path() returns 1 if
209 * file_path is a absolute file path, in the other
210 * case the function returns 0.
212 int __surf_is_absolute_file_path(const char *file_path)
215 WIN32_FIND_DATA wfd = { 0 };
216 HANDLE hFile = FindFirstFile(file_path, &wfd);
218 if (INVALID_HANDLE_VALUE == hFile)
224 return (file_path[0] == '/');
228 /** Displays the long description of all registered models, and quit */
229 void model_help(const char *category, s_surf_model_description_t * table)
232 printf("Long description of the %s models accepted by this simulator:\n",
234 for (i = 0; table[i].name; i++)
235 printf(" %s: %s\n", table[i].name, table[i].description);
238 int find_model_description(s_surf_model_description_t * table,
242 char *name_list = NULL;
244 for (i = 0; table[i].name; i++)
245 if (!strcmp(name, table[i].name)) {
249 xbt_die("No model is valid! This is a bug.");
250 name_list = xbt_strdup(table[0].name);
251 for (i = 1; table[i].name; i++) {
252 name_list = (char *) xbt_realloc(name_list, strlen(name_list) + strlen(table[i].name) + 3);
253 strcat(name_list, ", ");
254 strcat(name_list, table[i].name);
256 xbt_die("Model '%s' is invalid! Valid models are: %s.", name, name_list);
260 static XBT_INLINE void routing_asr_prop_free(void *p)
262 //xbt_dict_t elm = (xbt_dict_t) p;
263 //xbt_dict_free(&elm); FIXME: leaking in some case? That's a sometimes double-free with AsCluster::~AsCluster
266 static XBT_INLINE void surf_host_free(void *r)
268 delete static_cast<Host*>(r);
271 static XBT_INLINE void surf_storage_free(void *r)
273 delete static_cast<Storage*>(r);
276 void sg_version_check(int lib_version_major,int lib_version_minor,int lib_version_patch) {
277 if ((lib_version_major != SIMGRID_VERSION_MAJOR) || (lib_version_minor != SIMGRID_VERSION_MINOR)) {
279 "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
280 "and then linked against SimGrid %d.%d.%d. Please fix this.\n",
281 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,
282 lib_version_major,lib_version_minor,lib_version_patch);
285 if (lib_version_patch != SIMGRID_VERSION_PATCH) {
287 "Warning: Your program was compiled with SimGrid version %d.%d.%d, "
288 "and then linked against SimGrid %d.%d.%d. Proceeding anyway.\n",
289 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,
290 lib_version_major,lib_version_minor,lib_version_patch);
294 void sg_version(int *ver_major,int *ver_minor,int *ver_patch) {
295 *ver_major = SIMGRID_VERSION_MAJOR;
296 *ver_minor = SIMGRID_VERSION_MINOR;
297 *ver_patch = SIMGRID_VERSION_PATCH;
300 void surf_init(int *argc, char **argv)
302 XBT_DEBUG("Create all Libs");
303 host_lib = xbt_lib_new();
304 as_router_lib = xbt_lib_new();
305 storage_lib = xbt_lib_new();
306 storage_type_lib = xbt_lib_new();
307 file_lib = xbt_lib_new();
308 watched_hosts_lib = xbt_dict_new_homogeneous(NULL);
312 XBT_DEBUG("Add routing levels");
313 ROUTING_PROP_ASR_LEVEL = xbt_lib_add_level(as_router_lib,routing_asr_prop_free);
315 XBT_DEBUG("Add SURF levels");
316 SURF_HOST_LEVEL = xbt_lib_add_level(host_lib,surf_host_free);
317 SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_free);
319 xbt_init(argc, argv);
321 model_list = xbt_dynar_new(sizeof(Model*), NULL);
322 if (!model_list_invoke)
323 model_list_invoke = xbt_dynar_new(sizeof(Model*), NULL);
325 history = tmgr_history_new();
327 TRACE_add_start_function(TRACE_surf_alloc);
328 TRACE_add_end_function(TRACE_surf_release);
330 sg_config_init(argc, argv);
341 TRACE_end(); /* Just in case it was not called by the upper
342 * layer (or there is no upper layer) */
344 sg_config_finalize();
346 xbt_dynar_free(&host_that_restart);
347 xbt_dynar_free(&surf_path);
349 xbt_lib_free(&host_lib);
350 xbt_lib_free(&as_router_lib);
351 xbt_lib_free(&storage_lib);
353 xbt_lib_free(&storage_type_lib);
354 xbt_lib_free(&file_lib);
355 xbt_dict_free(&watched_hosts_lib);
357 xbt_dynar_foreach(model_list, iter, model)
359 xbt_dynar_free(&model_list);
360 xbt_dynar_free(&model_list_invoke);
363 surf_callback_emit(surfExitCallbacks);
366 lmm_system_free(maxmin_system);
367 maxmin_system = NULL;
370 tmgr_history_free(history);
374 #ifdef CONTEXT_THREADS
375 xbt_parmap_destroy(surf_parmap);
379 surf_parse_lex_destroy();
380 surf_parse_free_callbacks();
382 NOW = 0; /* Just in case the user plans to restart the simulation afterward */
390 : p_maxminSystem(NULL)
392 p_readyActionSet = new ActionList();
393 p_runningActionSet = new ActionList();
394 p_failedActionSet = new ActionList();
395 p_doneActionSet = new ActionList();
397 p_modifiedSet = NULL;
399 p_updateMechanism = UM_UNDEFINED;
400 m_selectiveUpdate = 0;
404 delete p_readyActionSet;
405 delete p_runningActionSet;
406 delete p_failedActionSet;
407 delete p_doneActionSet;
410 double Model::shareResources(double now)
412 //FIXME: set the good function once and for all
413 if (p_updateMechanism == UM_LAZY)
414 return shareResourcesLazy(now);
415 else if (p_updateMechanism == UM_FULL)
416 return shareResourcesFull(now);
418 xbt_die("Invalid cpu update mechanism!");
421 double Model::shareResourcesLazy(double now)
423 Action *action = NULL;
428 ("Before share resources, the size of modified actions set is %zd",
429 p_modifiedSet->size());
431 lmm_solve(p_maxminSystem);
434 ("After share resources, The size of modified actions set is %zd",
435 p_modifiedSet->size());
437 while(!p_modifiedSet->empty()) {
438 action = &(p_modifiedSet->front());
439 p_modifiedSet->pop_front();
440 int max_dur_flag = 0;
442 if (action->getStateSet() != p_runningActionSet)
445 /* bogus priority, skip it */
446 if (action->getPriority() <= 0 || action->getHat()==LATENCY)
449 action->updateRemainingLazy(now);
452 share = lmm_variable_getvalue(action->getVariable());
455 double time_to_completion;
456 if (action->getRemains() > 0) {
457 time_to_completion = action->getRemainsNoUpdate() / share;
459 time_to_completion = 0.0;
461 min = now + time_to_completion; // when the task will complete if nothing changes
464 if ((action->getMaxDuration() != NO_MAX_DURATION)
466 || action->getStartTime() +
467 action->getMaxDuration() < min)) {
468 min = action->getStartTime() +
469 action->getMaxDuration(); // when the task will complete anyway because of the deadline if any
474 XBT_DEBUG("Action(%p) corresponds to variable %d", action, action->getVariable()->id_int);
476 XBT_DEBUG("Action(%p) Start %f. May finish at %f (got a share of %f). Max_duration %f", action,
477 action->getStartTime(), min, share,
478 action->getMaxDuration());
481 action->heapUpdate(p_actionHeap, min, max_dur_flag ? MAX_DURATION : NORMAL);
482 XBT_DEBUG("Insert at heap action(%p) min %f now %f", action, min,
484 } else DIE_IMPOSSIBLE;
487 //hereafter must have already the min value for this resource model
488 if (xbt_heap_size(p_actionHeap) > 0)
489 min = xbt_heap_maxkey(p_actionHeap) - now;
493 XBT_DEBUG("The minimum with the HEAP %f", min);
498 double Model::shareResourcesFull(double /*now*/) {
502 double Model::shareResourcesMaxMin(ActionList *running_actions,
504 void (*solve) (lmm_system_t))
506 Action *action = NULL;
512 ActionList::iterator it(running_actions->begin()), itend(running_actions->end());
513 for(; it != itend ; ++it) {
515 value = lmm_variable_getvalue(action->getVariable());
516 if ((value > 0) || (action->getMaxDuration() >= 0))
524 if (action->getRemains() > 0)
525 min = action->getRemainsNoUpdate() / value;
528 if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min))
529 min = action->getMaxDuration();
531 min = action->getMaxDuration();
534 for (++it; it != itend; ++it) {
536 value = lmm_variable_getvalue(action->getVariable());
538 if (action->getRemains() > 0)
539 value = action->getRemainsNoUpdate() / value;
544 XBT_DEBUG("Updating min (value) with %p: %f", action, min);
547 if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min)) {
548 min = action->getMaxDuration();
549 XBT_DEBUG("Updating min (duration) with %p: %f", action, min);
552 XBT_DEBUG("min value : %f", min);
557 void Model::updateActionsState(double now, double delta)
559 if (p_updateMechanism == UM_FULL)
560 updateActionsStateFull(now, delta);
561 else if (p_updateMechanism == UM_LAZY)
562 updateActionsStateLazy(now, delta);
564 xbt_die("Invalid cpu update mechanism!");
567 void Model::updateActionsStateLazy(double /*now*/, double /*delta*/)
572 void Model::updateActionsStateFull(double /*now*/, double /*delta*/)
582 : p_name(NULL), p_properties(NULL), p_model(NULL)
585 Resource::Resource(Model *model, const char *name, xbt_dict_t props)
586 : p_name(xbt_strdup(name)), p_properties(props), p_model(model)
587 , m_running(true), m_stateCurrent(SURF_RESOURCE_ON)
590 Resource::Resource(Model *model, const char *name, xbt_dict_t props, lmm_constraint_t constraint)
591 : p_name(xbt_strdup(name)), p_properties(props), p_model(model)
592 , m_running(true), m_stateCurrent(SURF_RESOURCE_ON), p_constraint(constraint)
595 Resource::Resource(Model *model, const char *name, xbt_dict_t props, e_surf_resource_state_t stateInit)
596 : p_name(xbt_strdup(name)), p_properties(props), p_model(model)
597 , m_running(true), m_stateCurrent(stateInit)
600 Resource::~Resource() {
601 xbt_free((void*)p_name);
602 xbt_dict_free(&p_properties);
605 e_surf_resource_state_t Resource::getState()
607 return m_stateCurrent;
610 void Resource::setState(e_surf_resource_state_t state)
612 m_stateCurrent = state;
615 bool Resource::isOn()
620 void Resource::turnOn()
627 void Resource::turnOff()
634 Model *Resource::getModel() {
638 const char *Resource::getName() {
642 xbt_dict_t Resource::getProperties() {
643 if (p_properties==NULL)
644 p_properties = xbt_dict_new();
648 lmm_constraint_t Resource::getConstraint() {
656 const char *surf_action_state_names[6] = {
658 "SURF_ACTION_RUNNING",
659 "SURF_ACTION_FAILED",
661 "SURF_ACTION_TO_FREE",
662 "SURF_ACTION_NOT_IN_THE_SYSTEM"
665 void Action::initialize(Model *model, double cost, bool failed,
671 m_maxDuration = NO_MAX_DURATION;
673 m_start = surf_get_clock();
683 p_stateHookup.prev = 0;
684 p_stateHookup.next = 0;
686 p_stateSet = getModel()->getFailedActionSet();
688 p_stateSet = getModel()->getRunningActionSet();
690 p_stateSet->push_back(*this);
693 Action::Action(Model *model, double cost, bool failed)
695 initialize(model, cost, failed);
698 Action::Action(Model *model, double cost, bool failed, lmm_variable_t var)
700 initialize(model, cost, failed, var);
704 xbt_free(p_category);
707 void Action::finish() {
708 m_finish = surf_get_clock();
711 e_surf_action_state_t Action::getState()
713 if (p_stateSet == getModel()->getReadyActionSet())
714 return SURF_ACTION_READY;
715 if (p_stateSet == getModel()->getRunningActionSet())
716 return SURF_ACTION_RUNNING;
717 if (p_stateSet == getModel()->getFailedActionSet())
718 return SURF_ACTION_FAILED;
719 if (p_stateSet == getModel()->getDoneActionSet())
720 return SURF_ACTION_DONE;
721 return SURF_ACTION_NOT_IN_THE_SYSTEM;
724 void Action::setState(e_surf_action_state_t state)
726 //surf_action_state_t action_state = &(action->model_type->states);
727 XBT_IN("(%p,%s)", this, surf_action_state_names[state]);
728 p_stateSet->erase(p_stateSet->iterator_to(*this));
729 if (state == SURF_ACTION_READY)
730 p_stateSet = getModel()->getReadyActionSet();
731 else if (state == SURF_ACTION_RUNNING)
732 p_stateSet = getModel()->getRunningActionSet();
733 else if (state == SURF_ACTION_FAILED)
734 p_stateSet = getModel()->getFailedActionSet();
735 else if (state == SURF_ACTION_DONE)
736 p_stateSet = getModel()->getDoneActionSet();
741 p_stateSet->push_back(*this);
745 double Action::getBound()
747 return (p_variable) ? lmm_variable_getbound(p_variable) : 0;
750 void Action::setBound(double bound)
752 XBT_IN("(%p,%g)", this, bound);
754 lmm_update_variable_bound(getModel()->getMaxminSystem(), p_variable, bound);
756 if (getModel()->getUpdateMechanism() == UM_LAZY && getLastUpdate()!=surf_get_clock())
757 heapRemove(getModel()->getActionHeap());
761 double Action::getStartTime()
766 double Action::getFinishTime()
768 /* keep the function behavior, some models (cpu_ti) change the finish time before the action end */
769 return m_remains == 0 ? m_finish : -1;
772 void Action::setData(void* data)
777 void Action::setCategory(const char *category)
779 XBT_IN("(%p,%s)", this, category);
780 p_category = xbt_strdup(category);
788 void Action::setMaxDuration(double duration)
790 XBT_IN("(%p,%g)", this, duration);
791 m_maxDuration = duration;
792 if (getModel()->getUpdateMechanism() == UM_LAZY) // remove action from the heap
793 heapRemove(getModel()->getActionHeap());
797 void Action::gapRemove() {}
799 void Action::setPriority(double priority)
801 XBT_IN("(%p,%g)", this, priority);
802 m_priority = priority;
803 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), priority);
805 if (getModel()->getUpdateMechanism() == UM_LAZY)
806 heapRemove(getModel()->getActionHeap());
810 void Action::cancel(){
811 setState(SURF_ACTION_FAILED);
812 if (getModel()->getUpdateMechanism() == UM_LAZY) {
813 if (action_lmm_hook.is_linked())
814 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
815 heapRemove(getModel()->getActionHeap());
822 if (action_hook.is_linked())
823 p_stateSet->erase(p_stateSet->iterator_to(*this));
825 lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
826 if (getModel()->getUpdateMechanism() == UM_LAZY) {
827 /* remove from heap */
828 heapRemove(getModel()->getActionHeap());
829 if (action_lmm_hook.is_linked())
830 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
838 void Action::suspend()
840 XBT_IN("(%p)", this);
841 if (m_suspended != 2) {
842 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
844 if (getModel()->getUpdateMechanism() == UM_LAZY)
845 heapRemove(getModel()->getActionHeap());
850 void Action::resume()
852 XBT_IN("(%p)", this);
853 if (m_suspended != 2) {
854 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), m_priority);
856 if (getModel()->getUpdateMechanism() == UM_LAZY)
857 heapRemove(getModel()->getActionHeap());
862 bool Action::isSuspended()
864 return m_suspended == 1;
866 /* insert action on heap using a given key and a hat (heap_action_type)
867 * a hat can be of three types for communications:
869 * NORMAL = this is a normal heap entry stating the date to finish transmitting
870 * LATENCY = this is a heap entry to warn us when the latency is payed
871 * MAX_DURATION =this is a heap entry to warn us when the max_duration limit is reached
873 void Action::heapInsert(xbt_heap_t heap, double key, enum heap_action_type hat)
876 xbt_heap_push(heap, this, key);
879 void Action::heapRemove(xbt_heap_t heap)
882 if (m_indexHeap >= 0) {
883 xbt_heap_remove(heap, m_indexHeap);
887 void Action::heapUpdate(xbt_heap_t heap, double key, enum heap_action_type hat)
890 if (m_indexHeap >= 0) {
891 xbt_heap_update(heap, m_indexHeap, key);
893 xbt_heap_push(heap, this, key);
897 /* added to manage the communication action's heap */
898 void surf_action_lmm_update_index_heap(void *action, int i) {
899 static_cast<Action*>(action)->updateIndexHeap(i);
902 void Action::updateIndexHeap(int i) {
906 double Action::getRemains()
908 XBT_IN("(%p)", this);
909 /* update remains before return it */
910 if (getModel()->getUpdateMechanism() == UM_LAZY) /* update remains before return it */
911 updateRemainingLazy(surf_get_clock());
916 double Action::getRemainsNoUpdate()
921 //FIXME split code in the right places
922 void Action::updateRemainingLazy(double now)
926 if(getModel() == surf_network_model)
928 if (m_suspended != 0)
933 xbt_assert(p_stateSet == getModel()->getRunningActionSet(),
934 "You're updating an action that is not running.");
936 /* bogus priority, skip it */
937 xbt_assert(m_priority > 0,
938 "You're updating an action that seems suspended.");
941 delta = now - m_lastUpdate;
944 XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, m_remains, m_lastUpdate);
945 double_update(&m_remains, m_lastValue * delta, sg_surf_precision*sg_maxmin_precision);
947 if (getModel() == surf_cpu_model_pm && TRACE_is_enabled()) {
948 Resource *cpu = static_cast<Resource*>(lmm_constraint_id(lmm_get_cnst_from_var(getModel()->getMaxminSystem(), getVariable(), 0)));
949 TRACE_surf_host_set_utilization(cpu->getName(), getCategory(), m_lastValue, m_lastUpdate, now - m_lastUpdate);
951 XBT_DEBUG("Updating action(%p): remains is now %f", this, m_remains);
954 if(getModel() == surf_network_model)
956 if (m_maxDuration != NO_MAX_DURATION)
957 double_update(&m_maxDuration, delta, sg_surf_precision);
959 //FIXME: duplicated code
960 if ((m_remains <= 0) &&
961 (lmm_get_variable_weight(getVariable()) > 0)) {
963 setState(SURF_ACTION_DONE);
964 heapRemove(getModel()->getActionHeap());
965 } else if (((m_maxDuration != NO_MAX_DURATION)
966 && (m_maxDuration <= 0))) {
968 setState(SURF_ACTION_DONE);
969 heapRemove(getModel()->getActionHeap());
974 m_lastValue = lmm_variable_getvalue(getVariable());