1 /* Copyright (c) 2013-2014. 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_interface.hpp"
8 #include "workstation_interface.hpp"
9 #include "vm_workstation_interface.hpp"
10 #include "network_interface.hpp"
11 #include "surf_routing_cluster.hpp"
12 #include "instr/instr_private.h"
13 #include "plugins/energy.hpp"
15 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_kernel);
21 static CpuPtr get_casted_cpu(surf_resource_t resource){
22 return static_cast<CpuPtr>(surf_cpu_resource_priv(resource));
25 static WorkstationPtr get_casted_workstation(surf_resource_t resource){
26 return static_cast<WorkstationPtr>(surf_workstation_resource_priv(resource));
29 static WorkstationVMPtr get_casted_vm_workstation(surf_resource_t resource){
30 return static_cast<WorkstationVMPtr>(surf_workstation_resource_priv(resource));
33 char *surf_routing_edge_name(sg_routing_edge_t edge){
34 return edge->getName();
37 #ifdef CONTEXT_THREADS
38 //FIXME:keeporremove static xbt_parmap_t surf_parmap = NULL; /* parallel map on models */
42 extern double *surf_mins; /* return value of share_resources for each model */
43 extern int surf_min_index; /* current index in surf_mins */
44 extern double surf_min; /* duration determined by surf_solve */
46 void surf_presolve(void)
48 double next_event_date = -1.0;
49 tmgr_trace_event_t event = NULL;
51 ResourcePtr resource = NULL;
52 ModelPtr model = NULL;
56 ("First Run! Let's \"purge\" events and put models in the right state");
57 while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
58 if (next_event_date > NOW)
61 tmgr_history_get_next_event_leq(history, next_event_date,
63 (void **) &resource))) {
65 resource->updateState(event, value, NOW);
69 xbt_dynar_foreach(model_list, iter, model)
70 model->updateActionsState(NOW, 0.0);
73 static void surf_share_resources(surf_model_t model)
75 double next_action_end = -1.0;
76 int i = __sync_fetch_and_add(&surf_min_index, 1);
77 if (strcmp(model->getName(), "network NS3")) {
78 XBT_DEBUG("Running for Resource [%s]", model->getName());
79 next_action_end = model->shareResources(NOW);
80 XBT_DEBUG("Resource [%s] : next action end = %f",
81 model->getName(), next_action_end);
83 surf_mins[i] = next_action_end;
86 static void surf_update_actions_state(surf_model_t model)
88 model->updateActionsState(NOW, surf_min);
91 double surf_solve(double max_date)
93 surf_min = -1.0; /* duration */
94 double next_event_date = -1.0;
95 double model_next_action_end = -1.0;
97 ResourcePtr resource = NULL;
98 ModelPtr model = NULL;
99 tmgr_trace_event_t event = NULL;
102 if(!host_that_restart)
103 host_that_restart = xbt_dynar_new(sizeof(char*), NULL);
105 if (max_date != -1.0 && max_date != NOW) {
106 surf_min = max_date - NOW;
109 XBT_DEBUG("Looking for next action end for all models except NS3");
111 if (surf_mins == NULL) {
112 surf_mins = xbt_new(double, xbt_dynar_length(model_list_invoke));
116 /* sequential version */
117 xbt_dynar_foreach(model_list_invoke, iter, model) {
118 surf_share_resources(static_cast<ModelPtr>(model));
122 for (i = 0; i < xbt_dynar_length(model_list_invoke); i++) {
123 if ((surf_min < 0.0 || surf_mins[i] < surf_min)
124 && surf_mins[i] >= 0.0) {
125 surf_min = surf_mins[i];
129 XBT_DEBUG("Min for resources (remember that NS3 don't update that value) : %f", surf_min);
131 XBT_DEBUG("Looking for next trace event");
134 XBT_DEBUG("Next TRACE event : %f", next_event_date);
136 next_event_date = tmgr_history_next_date(history);
138 if(!strcmp(surf_network_model->getName(), "network NS3")){
139 if(next_event_date!=-1.0 && surf_min!=-1.0) {
140 surf_min = MIN(next_event_date - NOW, surf_min);
142 surf_min = MAX(next_event_date - NOW, surf_min);
145 XBT_DEBUG("Run for network at most %f", surf_min);
146 // run until min or next flow
147 model_next_action_end = surf_network_model->shareResources(surf_min);
149 XBT_DEBUG("Min for network : %f", model_next_action_end);
150 if(model_next_action_end>=0.0)
151 surf_min = model_next_action_end;
154 if (next_event_date < 0.0) {
155 XBT_DEBUG("no next TRACE event. Stop searching for it");
159 if ((surf_min == -1.0) || (next_event_date > NOW + surf_min)) break;
161 XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", surf_min, NOW, next_event_date);
163 tmgr_history_get_next_event_leq(history, next_event_date,
165 (void **) &resource))) {
166 if (resource->isUsed() || xbt_dict_get_or_null(watched_hosts_lib, resource->getName())) {
167 surf_min = next_event_date - NOW;
169 ("This event will modify model state. Next event set to %f",
172 /* update state of model_obj according to new value. Does not touch lmm.
173 It will be modified if needed when updating actions */
174 XBT_DEBUG("Calling update_resource_state for resource %s with min %f",
175 resource->getName(), surf_min);
176 resource->updateState(event, value, next_event_date);
180 /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
181 * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
182 * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
183 if (surf_min == -1.0) {
184 XBT_DEBUG("No next event at all. Bail out now.");
188 XBT_DEBUG("Duration set to %f", surf_min);
190 NOW = NOW + surf_min;
191 /* FIXME: model_list or model_list_invoke? revisit here later */
192 /* sequential version */
193 xbt_dynar_foreach(model_list, iter, model) {
194 surf_update_actions_state(model);
198 TRACE_paje_dump_buffer (0);
204 void routing_get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst,
205 xbt_dynar_t * route, double *latency){
206 routing_platf->getRouteAndLatency(src, dst, route, latency);
213 surf_model_t surf_resource_model(const void *host, int level) {
214 /* If level is SURF_WKS_LEVEL, ws is a workstation_CLM03 object. It has
215 * surf_resource at the generic_resource field. */
216 ResourcePtr ws = static_cast<ResourcePtr>(xbt_lib_get_level((xbt_dictelm_t) host, level));
217 return ws->getModel();
220 void *surf_as_cluster_get_backbone(AS_t as){
221 return static_cast<AsClusterPtr>(as)->p_backbone;
224 void surf_as_cluster_set_backbone(AS_t as, void* backbone){
225 static_cast<AsClusterPtr>(as)->p_backbone = static_cast<NetworkLinkPtr>(backbone);
228 const char *surf_model_name(surf_model_t model){
229 return model->getName();
232 surf_action_t surf_model_extract_done_action_set(surf_model_t model){
233 if (model->getDoneActionSet()->empty())
235 surf_action_t res = &model->getDoneActionSet()->front();
236 model->getDoneActionSet()->pop_front();
240 surf_action_t surf_model_extract_failed_action_set(surf_model_t model){
241 if (model->getFailedActionSet()->empty())
243 surf_action_t res = &model->getFailedActionSet()->front();
244 model->getFailedActionSet()->pop_front();
248 surf_action_t surf_model_extract_ready_action_set(surf_model_t model){
249 if (model->getReadyActionSet()->empty())
251 surf_action_t res = &model->getReadyActionSet()->front();
252 model->getReadyActionSet()->pop_front();
256 surf_action_t surf_model_extract_running_action_set(surf_model_t model){
257 if (model->getRunningActionSet()->empty())
259 surf_action_t res = &model->getRunningActionSet()->front();
260 model->getRunningActionSet()->pop_front();
264 int surf_model_running_action_set_size(surf_model_t model){
265 return model->getRunningActionSet()->size();
268 surf_action_t surf_workstation_model_execute_parallel_task(surf_workstation_model_t model,
270 void **workstation_list,
271 double *computation_amount,
272 double *communication_amount,
274 return static_cast<ActionPtr>(model->executeParallelTask(workstation_nb, workstation_list, computation_amount, communication_amount, rate));
277 surf_action_t surf_workstation_model_communicate(surf_workstation_model_t model, surf_resource_t src, surf_resource_t dst, double size, double rate){
278 return model->communicate(get_casted_workstation(src), get_casted_workstation(dst), size, rate);
281 xbt_dynar_t surf_workstation_model_get_route(surf_workstation_model_t /*model*/,
282 surf_resource_t src, surf_resource_t dst){
283 xbt_dynar_t route = NULL;
284 routing_platf->getRouteAndLatency(get_casted_workstation(src)->p_netElm,
285 get_casted_workstation(dst)->p_netElm, &route, NULL);
289 void surf_vm_workstation_model_create(const char *name, surf_resource_t ind_phys_host){
290 surf_vm_workstation_model->createWorkstationVM(name, ind_phys_host);
293 surf_action_t surf_network_model_communicate(surf_network_model_t model, sg_routing_edge_t src, sg_routing_edge_t dst, double size, double rate){
294 return model->communicate(src, dst, size, rate);
297 const char *surf_resource_name(surf_cpp_resource_t resource){
298 return resource->getName();
301 xbt_dict_t surf_resource_get_properties(surf_cpp_resource_t resource){
302 return resource->getProperties();
305 e_surf_resource_state_t surf_resource_get_state(surf_cpp_resource_t resource){
306 return resource->getState();
309 void surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state){
310 resource->setState(state);
313 surf_action_t surf_workstation_sleep(surf_resource_t resource, double duration){
314 return get_casted_workstation(resource)->sleep(duration);
317 double surf_workstation_get_speed(surf_resource_t resource, double load){
318 return get_casted_workstation(resource)->getSpeed(load);
321 double surf_workstation_get_available_speed(surf_resource_t resource){
322 return get_casted_workstation(resource)->getAvailableSpeed();
325 int surf_workstation_get_core(surf_resource_t resource){
326 return get_casted_workstation(resource)->getCore();
329 surf_action_t surf_workstation_execute(surf_resource_t resource, double size){
330 return get_casted_workstation(resource)->execute(size);
333 double surf_workstation_get_current_power_peak(surf_resource_t resource){
334 return get_casted_workstation(resource)->getCurrentPowerPeak();
337 double surf_workstation_get_power_peak_at(surf_resource_t resource, int pstate_index){
338 return get_casted_workstation(resource)->getPowerPeakAt(pstate_index);
341 int surf_workstation_get_nb_pstates(surf_resource_t resource){
342 return get_casted_workstation(resource)->getNbPstates();
345 void surf_workstation_set_power_peak_at(surf_resource_t resource, int pstate_index){
346 return get_casted_workstation(resource)->setPowerPeakAt(pstate_index);
349 double surf_workstation_get_consumed_energy(surf_resource_t resource){
350 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active.");
351 std::map<CpuPtr, CpuEnergyPtr>::iterator cpuIt = surf_energy->find(get_casted_workstation(resource)->p_cpu);
352 return cpuIt->second->getConsumedEnergy();
355 xbt_dict_t surf_workstation_get_mounted_storage_list(surf_resource_t workstation){
356 return get_casted_workstation(workstation)->getMountedStorageList();
359 xbt_dynar_t surf_workstation_get_attached_storage_list(surf_resource_t workstation){
360 return get_casted_workstation(workstation)->getAttachedStorageList();
363 surf_action_t surf_workstation_open(surf_resource_t workstation, const char* fullpath){
364 return get_casted_workstation(workstation)->open(fullpath);
367 surf_action_t surf_workstation_close(surf_resource_t workstation, surf_file_t fd){
368 return get_casted_workstation(workstation)->close(fd);
371 int surf_workstation_unlink(surf_resource_t workstation, surf_file_t fd){
372 return get_casted_workstation(workstation)->unlink(fd);
375 size_t surf_workstation_get_size(surf_resource_t workstation, surf_file_t fd){
376 return get_casted_workstation(workstation)->getSize(fd);
379 surf_action_t surf_workstation_read(surf_resource_t resource, surf_file_t fd, sg_size_t size){
380 return get_casted_workstation(resource)->read(fd, size);
383 surf_action_t surf_workstation_write(surf_resource_t resource, surf_file_t fd, sg_size_t size){
384 return get_casted_workstation(resource)->write(fd, size);
387 xbt_dynar_t surf_workstation_get_info(surf_resource_t resource, surf_file_t fd){
388 return get_casted_workstation(resource)->getInfo(fd);
391 size_t surf_workstation_file_tell(surf_resource_t workstation, surf_file_t fd){
392 return get_casted_workstation(workstation)->fileTell(fd);
395 int surf_workstation_file_seek(surf_resource_t workstation, surf_file_t fd,
396 sg_offset_t offset, int origin){
397 return get_casted_workstation(workstation)->fileSeek(fd, offset, origin);
400 int surf_workstation_file_move(surf_resource_t workstation, surf_file_t fd, const char* fullpath){
401 return get_casted_workstation(workstation)->fileMove(fd, fullpath);
404 xbt_dynar_t surf_workstation_get_vms(surf_resource_t resource){
405 return get_casted_workstation(resource)->getVms();
408 void surf_workstation_get_params(surf_resource_t resource, ws_params_t params){
409 get_casted_workstation(resource)->getParams(params);
412 void surf_workstation_set_params(surf_resource_t resource, ws_params_t params){
413 get_casted_workstation(resource)->setParams(params);
416 void surf_vm_workstation_destroy(surf_resource_t resource){
417 delete get_casted_vm_workstation(resource);
420 void surf_vm_workstation_suspend(surf_resource_t resource){
421 get_casted_vm_workstation(resource)->suspend();
424 void surf_vm_workstation_resume(surf_resource_t resource){
425 get_casted_vm_workstation(resource)->resume();
428 void surf_vm_workstation_save(surf_resource_t resource){
429 get_casted_vm_workstation(resource)->save();
432 void surf_vm_workstation_restore(surf_resource_t resource){
433 get_casted_vm_workstation(resource)->restore();
436 void surf_vm_workstation_migrate(surf_resource_t resource, surf_resource_t ind_vm_ws_dest){
437 get_casted_vm_workstation(resource)->migrate(ind_vm_ws_dest);
440 surf_resource_t surf_vm_workstation_get_pm(surf_resource_t resource){
441 return get_casted_vm_workstation(resource)->getPm();
444 void surf_vm_workstation_set_bound(surf_resource_t resource, double bound){
445 return get_casted_vm_workstation(resource)->setBound(bound);
448 void surf_vm_workstation_set_affinity(surf_resource_t resource, surf_resource_t cpu, unsigned long mask){
449 return get_casted_vm_workstation(resource)->setAffinity(get_casted_cpu(cpu), mask);
452 int surf_network_link_is_shared(surf_cpp_resource_t link){
453 return static_cast<NetworkLinkPtr>(link)->isShared();
456 double surf_network_link_get_bandwidth(surf_cpp_resource_t link){
457 return static_cast<NetworkLinkPtr>(link)->getBandwidth();
460 double surf_network_link_get_latency(surf_cpp_resource_t link){
461 return static_cast<NetworkLinkPtr>(link)->getLatency();
464 xbt_dict_t surf_storage_get_content(surf_resource_t resource){
465 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getContent();
468 sg_size_t surf_storage_get_size(surf_resource_t resource){
469 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getSize();
472 sg_size_t surf_storage_get_free_size(surf_resource_t resource){
473 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getFreeSize();
476 sg_size_t surf_storage_get_used_size(surf_resource_t resource){
477 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getUsedSize();
480 const char* surf_storage_get_host(surf_resource_t resource){
481 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->p_attach;
484 surf_action_t surf_cpu_execute(surf_resource_t cpu, double size){
485 return get_casted_cpu(cpu)->execute(size);
488 surf_action_t surf_cpu_sleep(surf_resource_t cpu, double duration){
489 return get_casted_cpu(cpu)->sleep(duration);
492 double surf_action_get_start_time(surf_action_t action){
493 return action->getStartTime();
496 double surf_action_get_finish_time(surf_action_t action){
497 return action->getFinishTime();
500 double surf_action_get_remains(surf_action_t action){
501 return action->getRemains();
504 void surf_action_unref(surf_action_t action){
508 void surf_action_suspend(surf_action_t action){
512 void surf_action_resume(surf_action_t action){
516 void surf_action_cancel(surf_action_t action){
520 void surf_action_set_priority(surf_action_t action, double priority){
521 action->setPriority(priority);
525 void surf_action_set_category(surf_action_t action, const char *category){
526 action->setCategory(category);
530 void *surf_action_get_data(surf_action_t action){
531 return action->getData();
534 void surf_action_set_data(surf_action_t action, void *data){
535 action->setData(data);
538 e_surf_action_state_t surf_action_get_state(surf_action_t action){
539 return action->getState();
542 double surf_action_get_cost(surf_action_t action){
543 return action->getCost();
546 void surf_cpu_action_set_affinity(surf_action_t action, surf_resource_t cpu, unsigned long mask) {
547 static_cast<CpuActionPtr>(action)->setAffinity(get_casted_cpu(cpu), mask);
550 void surf_cpu_action_set_bound(surf_action_t action, double bound) {
551 static_cast<CpuActionPtr>(action)->setBound(bound);
554 #ifdef HAVE_LATENCY_BOUND_TRACKING
555 double surf_network_action_get_latency_limited(surf_action_t action) {
556 return static_cast<NetworkActionPtr>(action)->getLatencyLimited();
560 surf_file_t surf_storage_action_get_file(surf_action_t action){
561 return static_cast<StorageActionPtr>(action)->p_file;