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 all_existing_models = NULL; /* to destroy 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;
41 simgrid::surf::signal<void(void)> surfExitCallbacks;
46 s_surf_model_description_t surf_plugin_description[] = {
47 {"Energy", "Cpu energy consumption.", sg_energy_plugin_init},
48 {NULL, NULL, NULL} /* this array must be NULL terminated */
51 /* Don't forget to update the option description in smx_config when you change
53 s_surf_model_description_t surf_network_model_description[] = {
55 "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). ",
56 surf_network_model_init_LegrandVelho},
58 "Simplistic network model where all communication take a constant time (one second). This model provides the lowest realism, but is (marginally) faster.",
59 surf_network_model_init_Constant},
61 "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)",
62 surf_network_model_init_SMPI},
64 "Realistic network model specifically tailored for HPC settings, with Infiniband contention model",
65 surf_network_model_init_IB},
67 "Legacy network analytic model (Very similar to LV08, but without corrective factors. The timings of small messages are thus poorly modeled).",
68 surf_network_model_init_CM02},
71 "Network pseudo-model using the NS3 tcp model instead of an analytic model",
72 surf_network_model_init_NS3},
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_Reno},
78 "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
79 surf_network_model_init_Reno2},
81 "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
82 surf_network_model_init_Vegas},
83 {NULL, NULL, NULL} /* this array must be NULL terminated */
86 s_surf_model_description_t surf_cpu_model_description[] = {
88 "Simplistic CPU model (time=size/power).",
89 surf_cpu_model_init_Cas01},
90 {NULL, NULL, NULL} /* this array must be NULL terminated */
93 s_surf_model_description_t surf_host_model_description[] = {
95 "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)",
96 surf_host_model_init_current_default},
98 "Host model that is automatically chosen if you change the network and CPU models",
99 surf_host_model_init_compound},
100 {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks",
101 surf_host_model_init_ptask_L07},
102 {NULL, NULL, NULL} /* this array must be NULL terminated */
105 s_surf_model_description_t surf_vm_model_description[] = {
108 surf_vm_model_init_HL13},
109 {NULL, NULL, NULL} /* this array must be NULL terminated */
112 s_surf_model_description_t surf_optimization_mode_description[] = {
114 "Lazy action management (partial invalidation in lmm + heap in action remaining).",
117 "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU model for now).",
120 "Full update of remaining and variables. Slow but may be useful when debugging.",
122 {NULL, NULL, NULL} /* this array must be NULL terminated */
125 s_surf_model_description_t surf_storage_model_description[] = {
127 "Simplistic storage model.",
128 surf_storage_model_init_default},
129 {NULL, NULL, NULL} /* this array must be NULL terminated */
132 #ifdef CONTEXT_THREADS
133 static xbt_parmap_t surf_parmap = NULL; /* parallel map on models */
138 double surf_get_clock(void)
144 # define FILE_DELIM "\\"
146 # define FILE_DELIM "/" /* FIXME: move to better location */
149 FILE *surf_fopen(const char *name, const char *mode)
152 char *path_elm = NULL;
158 if (__surf_is_absolute_file_path(name)) /* don't mess with absolute file names */
159 return fopen(name, mode);
161 /* search relative files in the path */
162 xbt_dynar_foreach(surf_path, cpt, path_elm) {
163 buff = bprintf("%s" FILE_DELIM "%s", path_elm, name);
164 file = fopen(buff, mode);
176 static const char *disk_drives_letter_table[MAX_DRIVE] = {
177 "A:\\","B:\\","C:\\","D:\\","E:\\","F:\\","G:\\","H:\\","I:\\","J:\\","K:\\","L:\\","M:\\",
178 "N:\\","O:\\","P:\\","Q:\\","R:\\","S:\\","T:\\","U:\\","V:\\","W:\\","X:\\","Y:\\","Z:\\"
183 * Returns the initial path. On Windows the initial path is
184 * the current directory for the current process in the other
185 * case the function returns "./" that represents the current
186 * directory on Unix/Linux platforms.
189 const char *__surf_get_initial_path(void)
194 char current_directory[MAX_PATH + 1] = { 0 };
195 unsigned int len = GetCurrentDirectory(MAX_PATH + 1, current_directory);
196 char root[4] = { 0 };
201 strncpy(root, current_directory, 3);
203 for (i = 0; i < MAX_DRIVE; i++) {
204 if (toupper(root[0]) == disk_drives_letter_table[i][0])
205 return disk_drives_letter_table[i];
214 /* The __surf_is_absolute_file_path() returns 1 if
215 * file_path is a absolute file path, in the other
216 * case the function returns 0.
218 int __surf_is_absolute_file_path(const char *file_path)
221 WIN32_FIND_DATA wfd = { 0 };
222 HANDLE hFile = FindFirstFile(file_path, &wfd);
224 if (INVALID_HANDLE_VALUE == hFile)
230 return (file_path[0] == '/');
234 /** Displays the long description of all registered models, and quit */
235 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",
240 for (i = 0; table[i].name; i++)
241 printf(" %s: %s\n", table[i].name, table[i].description);
244 int find_model_description(s_surf_model_description_t * table,
248 char *name_list = NULL;
250 for (i = 0; table[i].name; i++)
251 if (!strcmp(name, table[i].name)) {
255 xbt_die("No model is valid! This is a bug.");
256 name_list = xbt_strdup(table[0].name);
257 for (i = 1; table[i].name; i++) {
258 name_list = (char *) xbt_realloc(name_list, strlen(name_list) + strlen(table[i].name) + 3);
259 strcat(name_list, ", ");
260 strcat(name_list, table[i].name);
262 xbt_die("Model '%s' is invalid! Valid models are: %s.", name, name_list);
266 static XBT_INLINE void routing_asr_prop_free(void *p)
268 //xbt_dict_t elm = (xbt_dict_t) p;
269 //xbt_dict_free(&elm); FIXME: leaking in some case? That's a sometimes double-free with AsCluster::~AsCluster
272 static XBT_INLINE void surf_storage_free(void *r)
274 delete static_cast<simgrid::surf::Storage*>(r);
277 void sg_version_check(int lib_version_major,int lib_version_minor,int lib_version_patch) {
278 if ((lib_version_major != SIMGRID_VERSION_MAJOR) || (lib_version_minor != SIMGRID_VERSION_MINOR)) {
280 "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
281 "and then linked against SimGrid %d.%d.%d. Please fix this.\n",
282 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,
283 lib_version_major,lib_version_minor,lib_version_patch);
286 if (lib_version_patch != SIMGRID_VERSION_PATCH) {
288 "Warning: Your program was compiled with SimGrid version %d.%d.%d, "
289 "and then linked against SimGrid %d.%d.%d. Proceeding anyway.\n",
290 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,
291 lib_version_major,lib_version_minor,lib_version_patch);
295 void sg_version(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;
301 void surf_init(int *argc, char **argv)
303 XBT_DEBUG("Create all Libs");
304 host_list = xbt_dict_new_homogeneous([](void*p) {
305 delete static_cast<simgrid::Host*>(p);
307 as_router_lib = xbt_lib_new();
308 storage_lib = xbt_lib_new();
309 storage_type_lib = xbt_lib_new();
310 file_lib = xbt_lib_new();
311 watched_hosts_lib = xbt_dict_new_homogeneous(NULL);
315 XBT_DEBUG("Add routing levels");
316 ROUTING_PROP_ASR_LEVEL = xbt_lib_add_level(as_router_lib,routing_asr_prop_free);
318 XBT_DEBUG("Add SURF levels");
319 simgrid::surf::Host::classInit();
320 SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_free);
322 xbt_init(argc, argv);
323 if (!all_existing_models)
324 all_existing_models = xbt_dynar_new(sizeof(simgrid::surf::Model*), NULL);
325 if (!model_list_invoke)
326 model_list_invoke = xbt_dynar_new(sizeof(simgrid::surf::Model*), NULL);
328 history = tmgr_history_new();
330 TRACE_add_start_function(TRACE_surf_alloc);
331 TRACE_add_end_function(TRACE_surf_release);
333 sg_config_init(argc, argv);
342 simgrid::surf::Model *model = NULL;
344 TRACE_end(); /* Just in case it was not called by the upper
345 * layer (or there is no upper layer) */
347 sg_config_finalize();
349 xbt_dynar_free(&host_that_restart);
350 xbt_dynar_free(&surf_path);
352 xbt_dict_free(&host_list);
353 xbt_lib_free(&as_router_lib);
354 xbt_lib_free(&storage_lib);
356 xbt_lib_free(&storage_type_lib);
357 xbt_lib_free(&file_lib);
358 xbt_dict_free(&watched_hosts_lib);
360 xbt_dynar_foreach(all_existing_models, iter, model)
362 xbt_dynar_free(&all_existing_models);
363 xbt_dynar_free(&model_list_invoke);
366 simgrid::surf::surfExitCallbacks();
369 lmm_system_free(maxmin_system);
370 maxmin_system = NULL;
373 tmgr_history_free(history);
377 #ifdef CONTEXT_THREADS
378 xbt_parmap_destroy(surf_parmap);
382 surf_parse_lex_destroy();
383 surf_parse_free_callbacks();
385 NOW = 0; /* Just in case the user plans to restart the simulation afterward */
396 : p_maxminSystem(NULL)
398 p_readyActionSet = new ActionList();
399 p_runningActionSet = new ActionList();
400 p_failedActionSet = new ActionList();
401 p_doneActionSet = new ActionList();
403 p_modifiedSet = NULL;
405 p_updateMechanism = UM_UNDEFINED;
406 m_selectiveUpdate = 0;
410 delete p_readyActionSet;
411 delete p_runningActionSet;
412 delete p_failedActionSet;
413 delete p_doneActionSet;
416 double Model::shareResources(double now)
418 //FIXME: set the good function once and for all
419 if (p_updateMechanism == UM_LAZY)
420 return shareResourcesLazy(now);
421 else if (p_updateMechanism == UM_FULL)
422 return shareResourcesFull(now);
424 xbt_die("Invalid cpu update mechanism!");
427 double Model::shareResourcesLazy(double now)
429 Action *action = NULL;
434 ("Before share resources, the size of modified actions set is %zd",
435 p_modifiedSet->size());
437 lmm_solve(p_maxminSystem);
440 ("After share resources, The size of modified actions set is %zd",
441 p_modifiedSet->size());
443 while(!p_modifiedSet->empty()) {
444 action = &(p_modifiedSet->front());
445 p_modifiedSet->pop_front();
446 int max_dur_flag = 0;
448 if (action->getStateSet() != p_runningActionSet)
451 /* bogus priority, skip it */
452 if (action->getPriority() <= 0 || action->getHat()==LATENCY)
455 action->updateRemainingLazy(now);
458 share = lmm_variable_getvalue(action->getVariable());
461 double time_to_completion;
462 if (action->getRemains() > 0) {
463 time_to_completion = action->getRemainsNoUpdate() / share;
465 time_to_completion = 0.0;
467 min = now + time_to_completion; // when the task will complete if nothing changes
470 if ((action->getMaxDuration() != NO_MAX_DURATION)
472 || action->getStartTime() +
473 action->getMaxDuration() < min)) {
474 min = action->getStartTime() +
475 action->getMaxDuration(); // when the task will complete anyway because of the deadline if any
480 XBT_DEBUG("Action(%p) corresponds to variable %d", action, action->getVariable()->id_int);
482 XBT_DEBUG("Action(%p) Start %f. May finish at %f (got a share of %f). Max_duration %f", action,
483 action->getStartTime(), min, share,
484 action->getMaxDuration());
487 action->heapUpdate(p_actionHeap, min, max_dur_flag ? MAX_DURATION : NORMAL);
488 XBT_DEBUG("Insert at heap action(%p) min %f now %f", action, min,
490 } else DIE_IMPOSSIBLE;
493 //hereafter must have already the min value for this resource model
494 if (xbt_heap_size(p_actionHeap) > 0)
495 min = xbt_heap_maxkey(p_actionHeap) - now;
499 XBT_DEBUG("The minimum with the HEAP %f", min);
504 double Model::shareResourcesFull(double /*now*/) {
508 double Model::shareResourcesMaxMin(ActionList *running_actions,
510 void (*solve) (lmm_system_t))
512 Action *action = NULL;
518 ActionList::iterator it(running_actions->begin()), itend(running_actions->end());
519 for(; it != itend ; ++it) {
521 value = lmm_variable_getvalue(action->getVariable());
522 if ((value > 0) || (action->getMaxDuration() >= 0))
530 if (action->getRemains() > 0)
531 min = action->getRemainsNoUpdate() / value;
534 if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min))
535 min = action->getMaxDuration();
537 min = action->getMaxDuration();
540 for (++it; it != itend; ++it) {
542 value = lmm_variable_getvalue(action->getVariable());
544 if (action->getRemains() > 0)
545 value = action->getRemainsNoUpdate() / value;
550 XBT_DEBUG("Updating min (value) with %p: %f", action, min);
553 if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min)) {
554 min = action->getMaxDuration();
555 XBT_DEBUG("Updating min (duration) with %p: %f", action, min);
558 XBT_DEBUG("min value : %f", min);
563 void Model::updateActionsState(double now, double delta)
565 if (p_updateMechanism == UM_FULL)
566 updateActionsStateFull(now, delta);
567 else if (p_updateMechanism == UM_LAZY)
568 updateActionsStateLazy(now, delta);
570 xbt_die("Invalid cpu update mechanism!");
573 void Model::updateActionsStateLazy(double /*now*/, double /*delta*/)
578 void Model::updateActionsStateFull(double /*now*/, double /*delta*/)
594 : p_name(NULL), p_model(NULL)
597 Resource::Resource(Model *model, const char *name)
598 : Resource(model, name, SURF_RESOURCE_ON)
601 Resource::Resource(Model *model, const char *name, lmm_constraint_t constraint)
602 : Resource(model, name, constraint, SURF_RESOURCE_ON)
606 Model *model, const char *name,
607 lmm_constraint_t constraint, e_surf_resource_state_t stateInit)
608 : p_name(xbt_strdup(name)), p_model(model)
609 , m_running(true), m_stateCurrent(stateInit), p_constraint(constraint)
612 Resource::Resource(Model *model, const char *name, e_surf_resource_state_t stateInit)
613 : p_name(xbt_strdup(name)), p_model(model)
614 , m_running(true), m_stateCurrent(stateInit)
618 Resource::~Resource() {
619 xbt_free((void*)p_name);
622 e_surf_resource_state_t Resource::getState()
624 return m_stateCurrent;
627 void Resource::setState(e_surf_resource_state_t state)
629 m_stateCurrent = state;
632 bool Resource::isOn()
637 void Resource::turnOn()
644 void Resource::turnOff()
651 Model *Resource::getModel() {
655 const char *Resource::getName() {
659 lmm_constraint_t Resource::getConstraint() {
670 const char *surf_action_state_names[6] = {
672 "SURF_ACTION_RUNNING",
673 "SURF_ACTION_FAILED",
675 "SURF_ACTION_TO_FREE",
676 "SURF_ACTION_NOT_IN_THE_SYSTEM"
679 /* added to manage the communication action's heap */
680 void surf_action_lmm_update_index_heap(void *action, int i) {
681 static_cast<simgrid::surf::Action*>(action)->updateIndexHeap(i);
687 void Action::initialize(simgrid::surf::Model *model, double cost, bool failed,
693 m_maxDuration = NO_MAX_DURATION;
695 m_start = surf_get_clock();
704 p_stateHookup.prev = 0;
705 p_stateHookup.next = 0;
707 p_stateSet = getModel()->getFailedActionSet();
709 p_stateSet = getModel()->getRunningActionSet();
711 p_stateSet->push_back(*this);
714 Action::Action(simgrid::surf::Model *model, double cost, bool failed)
716 initialize(model, cost, failed);
719 Action::Action(simgrid::surf::Model *model, double cost, bool failed, lmm_variable_t var)
721 initialize(model, cost, failed, var);
725 xbt_free(p_category);
728 void Action::finish() {
729 m_finish = surf_get_clock();
732 e_surf_action_state_t Action::getState()
734 if (p_stateSet == getModel()->getReadyActionSet())
735 return SURF_ACTION_READY;
736 if (p_stateSet == getModel()->getRunningActionSet())
737 return SURF_ACTION_RUNNING;
738 if (p_stateSet == getModel()->getFailedActionSet())
739 return SURF_ACTION_FAILED;
740 if (p_stateSet == getModel()->getDoneActionSet())
741 return SURF_ACTION_DONE;
742 return SURF_ACTION_NOT_IN_THE_SYSTEM;
745 void Action::setState(e_surf_action_state_t state)
747 //surf_action_state_t action_state = &(action->model_type->states);
748 XBT_IN("(%p,%s)", this, surf_action_state_names[state]);
749 p_stateSet->erase(p_stateSet->iterator_to(*this));
750 if (state == SURF_ACTION_READY)
751 p_stateSet = getModel()->getReadyActionSet();
752 else if (state == SURF_ACTION_RUNNING)
753 p_stateSet = getModel()->getRunningActionSet();
754 else if (state == SURF_ACTION_FAILED)
755 p_stateSet = getModel()->getFailedActionSet();
756 else if (state == SURF_ACTION_DONE)
757 p_stateSet = getModel()->getDoneActionSet();
762 p_stateSet->push_back(*this);
766 double Action::getBound()
768 return (p_variable) ? lmm_variable_getbound(p_variable) : 0;
771 void Action::setBound(double bound)
773 XBT_IN("(%p,%g)", this, bound);
775 lmm_update_variable_bound(getModel()->getMaxminSystem(), p_variable, bound);
777 if (getModel()->getUpdateMechanism() == UM_LAZY && getLastUpdate()!=surf_get_clock())
778 heapRemove(getModel()->getActionHeap());
782 double Action::getStartTime()
787 double Action::getFinishTime()
789 /* keep the function behavior, some models (cpu_ti) change the finish time before the action end */
790 return m_remains == 0 ? m_finish : -1;
793 void Action::setData(void* data)
798 void Action::setCategory(const char *category)
800 XBT_IN("(%p,%s)", this, category);
801 p_category = xbt_strdup(category);
809 void Action::setMaxDuration(double duration)
811 XBT_IN("(%p,%g)", this, duration);
812 m_maxDuration = duration;
813 if (getModel()->getUpdateMechanism() == UM_LAZY) // remove action from the heap
814 heapRemove(getModel()->getActionHeap());
818 void Action::gapRemove() {}
820 void Action::setPriority(double priority)
822 XBT_IN("(%p,%g)", this, priority);
823 m_priority = priority;
824 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), priority);
826 if (getModel()->getUpdateMechanism() == UM_LAZY)
827 heapRemove(getModel()->getActionHeap());
831 void Action::cancel(){
832 setState(SURF_ACTION_FAILED);
833 if (getModel()->getUpdateMechanism() == UM_LAZY) {
834 if (action_lmm_hook.is_linked())
835 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
836 heapRemove(getModel()->getActionHeap());
843 if (action_hook.is_linked())
844 p_stateSet->erase(p_stateSet->iterator_to(*this));
846 lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
847 if (getModel()->getUpdateMechanism() == UM_LAZY) {
848 /* remove from heap */
849 heapRemove(getModel()->getActionHeap());
850 if (action_lmm_hook.is_linked())
851 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
859 void Action::suspend()
861 XBT_IN("(%p)", this);
862 if (m_suspended != 2) {
863 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
865 if (getModel()->getUpdateMechanism() == UM_LAZY)
866 heapRemove(getModel()->getActionHeap());
871 void Action::resume()
873 XBT_IN("(%p)", this);
874 if (m_suspended != 2) {
875 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), m_priority);
877 if (getModel()->getUpdateMechanism() == UM_LAZY)
878 heapRemove(getModel()->getActionHeap());
883 bool Action::isSuspended()
885 return m_suspended == 1;
887 /* insert action on heap using a given key and a hat (heap_action_type)
888 * a hat can be of three types for communications:
890 * NORMAL = this is a normal heap entry stating the date to finish transmitting
891 * LATENCY = this is a heap entry to warn us when the latency is payed
892 * MAX_DURATION =this is a heap entry to warn us when the max_duration limit is reached
894 void Action::heapInsert(xbt_heap_t heap, double key, enum heap_action_type hat)
897 xbt_heap_push(heap, this, key);
900 void Action::heapRemove(xbt_heap_t heap)
903 if (m_indexHeap >= 0) {
904 xbt_heap_remove(heap, m_indexHeap);
908 void Action::heapUpdate(xbt_heap_t heap, double key, enum heap_action_type hat)
911 if (m_indexHeap >= 0) {
912 xbt_heap_update(heap, m_indexHeap, key);
914 xbt_heap_push(heap, this, key);
918 void Action::updateIndexHeap(int i) {
922 double Action::getRemains()
924 XBT_IN("(%p)", this);
925 /* update remains before return it */
926 if (getModel()->getUpdateMechanism() == UM_LAZY) /* update remains before return it */
927 updateRemainingLazy(surf_get_clock());
932 double Action::getRemainsNoUpdate()
937 //FIXME split code in the right places
938 void Action::updateRemainingLazy(double now)
942 if(getModel() == surf_network_model)
944 if (m_suspended != 0)
949 xbt_assert(p_stateSet == getModel()->getRunningActionSet(),
950 "You're updating an action that is not running.");
952 /* bogus priority, skip it */
953 xbt_assert(m_priority > 0,
954 "You're updating an action that seems suspended.");
957 delta = now - m_lastUpdate;
960 XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, m_remains, m_lastUpdate);
961 double_update(&m_remains, m_lastValue * delta, sg_surf_precision*sg_maxmin_precision);
963 if (getModel() == surf_cpu_model_pm && TRACE_is_enabled()) {
964 simgrid::surf::Resource *cpu = static_cast<simgrid::surf::Resource*>(
965 lmm_constraint_id(lmm_get_cnst_from_var(getModel()->getMaxminSystem(), getVariable(), 0)));
966 TRACE_surf_host_set_utilization(cpu->getName(), getCategory(), m_lastValue, m_lastUpdate, now - m_lastUpdate);
968 XBT_DEBUG("Updating action(%p): remains is now %f", this, m_remains);
971 if(getModel() == surf_network_model)
973 if (m_maxDuration != NO_MAX_DURATION)
974 double_update(&m_maxDuration, delta, sg_surf_precision);
976 //FIXME: duplicated code
977 if ((m_remains <= 0) &&
978 (lmm_get_variable_weight(getVariable()) > 0)) {
980 setState(SURF_ACTION_DONE);
981 heapRemove(getModel()->getActionHeap());
982 } else if (((m_maxDuration != NO_MAX_DURATION)
983 && (m_maxDuration <= 0))) {
985 setState(SURF_ACTION_DONE);
986 heapRemove(getModel()->getActionHeap());
991 m_lastValue = lmm_variable_getvalue(getVariable());