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 RoutingEdgePtr get_casted_routing(surf_resource_t resource){
30 return static_cast<RoutingEdgePtr>(surf_routing_resource_priv(resource));
33 static WorkstationVMPtr get_casted_vm_workstation(surf_resource_t resource){
34 return static_cast<WorkstationVMPtr>(surf_workstation_resource_priv(resource));
37 char *surf_routing_edge_name(sg_routing_edge_t edge){
38 return edge->getName();
41 #ifdef CONTEXT_THREADS
42 //FIXME:keeporremove static xbt_parmap_t surf_parmap = NULL; /* parallel map on models */
46 extern double *surf_mins; /* return value of share_resources for each model */
47 extern int surf_min_index; /* current index in surf_mins */
48 extern double surf_min; /* duration determined by surf_solve */
50 void surf_presolve(void)
52 double next_event_date = -1.0;
53 tmgr_trace_event_t event = NULL;
55 ResourcePtr resource = NULL;
56 ModelPtr model = NULL;
60 ("First Run! Let's \"purge\" events and put models in the right state");
61 while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
62 if (next_event_date > NOW)
65 tmgr_history_get_next_event_leq(history, next_event_date,
67 (void **) &resource))) {
69 resource->updateState(event, value, NOW);
73 xbt_dynar_foreach(model_list, iter, model)
74 model->updateActionsState(NOW, 0.0);
77 static void surf_share_resources(surf_model_t model)
79 double next_action_end = -1.0;
80 int i = __sync_fetch_and_add(&surf_min_index, 1);
81 if (strcmp(model->getName(), "network NS3")) {
82 XBT_DEBUG("Running for Resource [%s]", model->getName());
83 next_action_end = model->shareResources(NOW);
84 XBT_DEBUG("Resource [%s] : next action end = %f",
85 model->getName(), next_action_end);
87 surf_mins[i] = next_action_end;
90 static void surf_update_actions_state(surf_model_t model)
92 model->updateActionsState(NOW, surf_min);
95 double surf_solve(double max_date)
97 surf_min = -1.0; /* duration */
98 double next_event_date = -1.0;
99 double model_next_action_end = -1.0;
101 ResourcePtr resource = NULL;
102 ModelPtr model = NULL;
103 tmgr_trace_event_t event = NULL;
106 if(!host_that_restart)
107 host_that_restart = xbt_dynar_new(sizeof(char*), NULL);
109 if (max_date != -1.0 && max_date != NOW) {
110 surf_min = max_date - NOW;
113 XBT_DEBUG("Looking for next action end for all models except NS3");
115 if (surf_mins == NULL) {
116 surf_mins = xbt_new(double, xbt_dynar_length(model_list_invoke));
120 /* sequential version */
121 xbt_dynar_foreach(model_list_invoke, iter, model) {
122 surf_share_resources(static_cast<ModelPtr>(model));
126 for (i = 0; i < xbt_dynar_length(model_list_invoke); i++) {
127 if ((surf_min < 0.0 || surf_mins[i] < surf_min)
128 && surf_mins[i] >= 0.0) {
129 surf_min = surf_mins[i];
133 XBT_DEBUG("Min for resources (remember that NS3 don't update that value) : %f", surf_min);
135 XBT_DEBUG("Looking for next trace event");
138 XBT_DEBUG("Next TRACE event : %f", next_event_date);
140 next_event_date = tmgr_history_next_date(history);
142 if(!strcmp(surf_network_model->getName(), "network NS3")){
143 if(next_event_date!=-1.0 && surf_min!=-1.0) {
144 surf_min = MIN(next_event_date - NOW, surf_min);
146 surf_min = MAX(next_event_date - NOW, surf_min);
149 XBT_DEBUG("Run for network at most %f", surf_min);
150 // run until min or next flow
151 model_next_action_end = surf_network_model->shareResources(surf_min);
153 XBT_DEBUG("Min for network : %f", model_next_action_end);
154 if(model_next_action_end>=0.0)
155 surf_min = model_next_action_end;
158 if (next_event_date < 0.0) {
159 XBT_DEBUG("no next TRACE event. Stop searching for it");
163 if ((surf_min == -1.0) || (next_event_date > NOW + surf_min)) break;
165 XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", surf_min, NOW, next_event_date);
167 tmgr_history_get_next_event_leq(history, next_event_date,
169 (void **) &resource))) {
170 if (resource->isUsed() || xbt_dict_get_or_null(watched_hosts_lib, resource->getName())) {
171 surf_min = next_event_date - NOW;
173 ("This event will modify model state. Next event set to %f",
176 /* update state of model_obj according to new value. Does not touch lmm.
177 It will be modified if needed when updating actions */
178 XBT_DEBUG("Calling update_resource_state for resource %s with min %f",
179 resource->getName(), surf_min);
180 resource->updateState(event, value, next_event_date);
184 /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
185 * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
186 * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
187 if (surf_min == -1.0) {
188 XBT_DEBUG("No next event at all. Bail out now.");
192 XBT_DEBUG("Duration set to %f", surf_min);
194 NOW = NOW + surf_min;
195 /* FIXME: model_list or model_list_invoke? revisit here later */
196 /* sequential version */
197 xbt_dynar_foreach(model_list, iter, model) {
198 surf_update_actions_state(model);
201 TRACE_paje_dump_buffer (0);
206 void routing_get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst,
207 xbt_dynar_t * route, double *latency){
208 routing_platf->getRouteAndLatency(src, dst, route, latency);
215 surf_model_t surf_resource_model(const void *host, int level) {
216 /* If level is SURF_WKS_LEVEL, ws is a workstation_CLM03 object. It has
217 * surf_resource at the generic_resource field. */
218 ResourcePtr ws = static_cast<ResourcePtr>(xbt_lib_get_level((xbt_dictelm_t) host, level));
219 return ws->getModel();
222 void *surf_as_cluster_get_backbone(AS_t as){
223 return static_cast<AsClusterPtr>(as)->p_backbone;
226 void surf_as_cluster_set_backbone(AS_t as, void* backbone){
227 static_cast<AsClusterPtr>(as)->p_backbone = static_cast<NetworkLinkPtr>(backbone);
230 const char *surf_model_name(surf_model_t model){
231 return model->getName();
234 surf_action_t surf_model_extract_done_action_set(surf_model_t model){
235 if (model->getDoneActionSet()->empty())
237 surf_action_t res = &model->getDoneActionSet()->front();
238 model->getDoneActionSet()->pop_front();
242 surf_action_t surf_model_extract_failed_action_set(surf_model_t model){
243 if (model->getFailedActionSet()->empty())
245 surf_action_t res = &model->getFailedActionSet()->front();
246 model->getFailedActionSet()->pop_front();
250 surf_action_t surf_model_extract_ready_action_set(surf_model_t model){
251 if (model->getReadyActionSet()->empty())
253 surf_action_t res = &model->getReadyActionSet()->front();
254 model->getReadyActionSet()->pop_front();
258 surf_action_t surf_model_extract_running_action_set(surf_model_t model){
259 if (model->getRunningActionSet()->empty())
261 surf_action_t res = &model->getRunningActionSet()->front();
262 model->getRunningActionSet()->pop_front();
266 int surf_model_running_action_set_size(surf_model_t model){
267 return model->getRunningActionSet()->size();
270 surf_action_t surf_workstation_model_execute_parallel_task(surf_workstation_model_t model,
272 void **workstation_list,
273 double *flops_amount,
274 double *bytes_amount,
276 return static_cast<ActionPtr>(model->executeParallelTask(workstation_nb, workstation_list, flops_amount, bytes_amount, rate));
279 surf_action_t surf_workstation_model_communicate(surf_workstation_model_t model, surf_resource_t src, surf_resource_t dst, double size, double rate){
280 return model->communicate(get_casted_workstation(src), get_casted_workstation(dst), size, rate);
283 xbt_dynar_t surf_workstation_model_get_route(surf_workstation_model_t /*model*/,
284 surf_resource_t src, surf_resource_t dst){
285 xbt_dynar_t route = NULL;
286 routing_platf->getRouteAndLatency(get_casted_workstation(src)->p_netElm,
287 get_casted_workstation(dst)->p_netElm, &route, NULL);
291 void surf_vm_workstation_model_create(const char *name, surf_resource_t ind_phys_host){
292 surf_vm_workstation_model->createWorkstationVM(name, ind_phys_host);
295 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){
296 return model->communicate(src, dst, size, rate);
299 const char *surf_resource_name(surf_cpp_resource_t resource){
300 return resource->getName();
303 xbt_dict_t surf_resource_get_properties(surf_cpp_resource_t resource){
304 return resource->getProperties();
307 e_surf_resource_state_t surf_resource_get_state(surf_cpp_resource_t resource){
308 return resource->getState();
311 void surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state){
312 resource->setState(state);
315 surf_action_t surf_workstation_sleep(surf_resource_t resource, double duration){
316 return get_casted_workstation(resource)->sleep(duration);
319 double surf_workstation_get_speed(surf_resource_t resource, double load){
320 return get_casted_workstation(resource)->getSpeed(load);
323 double surf_workstation_get_available_speed(surf_resource_t resource){
324 return get_casted_workstation(resource)->getAvailableSpeed();
327 int surf_workstation_get_core(surf_resource_t resource){
328 return get_casted_workstation(resource)->getCore();
331 surf_action_t surf_workstation_execute(surf_resource_t resource, double size){
332 return get_casted_workstation(resource)->execute(size);
335 double surf_workstation_get_current_power_peak(surf_resource_t resource){
336 return get_casted_workstation(resource)->getCurrentPowerPeak();
339 double surf_workstation_get_power_peak_at(surf_resource_t resource, int pstate_index){
340 return get_casted_workstation(resource)->getPowerPeakAt(pstate_index);
343 int surf_workstation_get_nb_pstates(surf_resource_t resource){
344 return get_casted_workstation(resource)->getNbPstates();
347 void surf_workstation_set_power_peak_at(surf_resource_t resource, int pstate_index){
348 return get_casted_workstation(resource)->setPowerPeakAt(pstate_index);
351 double surf_workstation_get_consumed_energy(surf_resource_t resource){
352 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active.");
353 std::map<CpuPtr, CpuEnergyPtr>::iterator cpuIt = surf_energy->find(get_casted_workstation(resource)->p_cpu);
354 return cpuIt->second->getConsumedEnergy();
357 xbt_dict_t surf_workstation_get_mounted_storage_list(surf_resource_t workstation){
358 return get_casted_workstation(workstation)->getMountedStorageList();
361 xbt_dynar_t surf_workstation_get_attached_storage_list(surf_resource_t workstation){
362 return get_casted_workstation(workstation)->getAttachedStorageList();
365 surf_action_t surf_workstation_open(surf_resource_t workstation, const char* fullpath){
366 return get_casted_workstation(workstation)->open(fullpath);
369 surf_action_t surf_workstation_close(surf_resource_t workstation, surf_file_t fd){
370 return get_casted_workstation(workstation)->close(fd);
373 int surf_workstation_unlink(surf_resource_t workstation, surf_file_t fd){
374 return get_casted_workstation(workstation)->unlink(fd);
377 size_t surf_workstation_get_size(surf_resource_t workstation, surf_file_t fd){
378 return get_casted_workstation(workstation)->getSize(fd);
381 surf_action_t surf_workstation_read(surf_resource_t resource, surf_file_t fd, sg_size_t size){
382 return get_casted_workstation(resource)->read(fd, size);
385 surf_action_t surf_workstation_write(surf_resource_t resource, surf_file_t fd, sg_size_t size){
386 return get_casted_workstation(resource)->write(fd, size);
389 xbt_dynar_t surf_workstation_get_info(surf_resource_t resource, surf_file_t fd){
390 return get_casted_workstation(resource)->getInfo(fd);
393 size_t surf_workstation_file_tell(surf_resource_t workstation, surf_file_t fd){
394 return get_casted_workstation(workstation)->fileTell(fd);
397 int surf_workstation_file_seek(surf_resource_t workstation, surf_file_t fd,
398 sg_offset_t offset, int origin){
399 return get_casted_workstation(workstation)->fileSeek(fd, offset, origin);
402 int surf_workstation_file_move(surf_resource_t workstation, surf_file_t fd, const char* fullpath){
403 return get_casted_workstation(workstation)->fileMove(fd, fullpath);
406 xbt_dynar_t surf_workstation_get_vms(surf_resource_t resource){
407 xbt_dynar_t vms = get_casted_workstation(resource)->getVms();
408 xbt_dynar_t vms_ = xbt_dynar_new(sizeof(smx_host_t), NULL);
411 xbt_dynar_foreach(vms, cpt, vm) {
412 smx_host_t vm_ = xbt_lib_get_elm_or_null(host_lib, vm->getName());
413 xbt_dynar_push(vms_, &vm_);
415 xbt_dynar_free(&vms);
419 void surf_workstation_get_params(surf_resource_t resource, ws_params_t params){
420 get_casted_workstation(resource)->getParams(params);
423 void surf_workstation_set_params(surf_resource_t resource, ws_params_t params){
424 get_casted_workstation(resource)->setParams(params);
427 void surf_vm_workstation_destroy(surf_resource_t resource){
428 /* ind_phys_workstation equals to smx_host_t */
429 //surf_resource_t ind_vm_workstation = xbt_lib_get_elm_or_null(host_lib, getName());
431 /* Before clearing the entries in host_lib, we have to pick up resources. */
432 CpuPtr cpu = get_casted_cpu(resource);
433 WorkstationVMPtr vm = get_casted_vm_workstation(resource);
434 RoutingEdgePtr routing = get_casted_routing(resource);
435 char* name = xbt_dict_get_elm_key(resource);
436 /* We deregister objects from host_lib, without invoking the freeing callback
439 * Do not call xbt_lib_remove() here. It deletes all levels of the key,
440 * including MSG_HOST_LEVEL and others. We should unregister only what we know.
442 xbt_lib_unset(host_lib, name, SURF_CPU_LEVEL, 0);
443 xbt_lib_unset(host_lib, name, ROUTING_HOST_LEVEL, 0);
444 xbt_lib_unset(host_lib, name, SURF_WKS_LEVEL, 0);
446 /* TODO: comment out when VM storage is implemented. */
447 // xbt_lib_unset(host_lib, name, SURF_STORAGE_LEVEL, 0);
454 void surf_vm_workstation_suspend(surf_resource_t resource){
455 get_casted_vm_workstation(resource)->suspend();
458 void surf_vm_workstation_resume(surf_resource_t resource){
459 get_casted_vm_workstation(resource)->resume();
462 void surf_vm_workstation_save(surf_resource_t resource){
463 get_casted_vm_workstation(resource)->save();
466 void surf_vm_workstation_restore(surf_resource_t resource){
467 get_casted_vm_workstation(resource)->restore();
470 void surf_vm_workstation_migrate(surf_resource_t resource, surf_resource_t ind_vm_ws_dest){
471 get_casted_vm_workstation(resource)->migrate(ind_vm_ws_dest);
474 surf_resource_t surf_vm_workstation_get_pm(surf_resource_t resource){
475 return get_casted_vm_workstation(resource)->getPm();
478 void surf_vm_workstation_set_bound(surf_resource_t resource, double bound){
479 return get_casted_vm_workstation(resource)->setBound(bound);
482 void surf_vm_workstation_set_affinity(surf_resource_t resource, surf_resource_t cpu, unsigned long mask){
483 return get_casted_vm_workstation(resource)->setAffinity(get_casted_cpu(cpu), mask);
486 int surf_network_link_is_shared(surf_cpp_resource_t link){
487 return static_cast<NetworkLinkPtr>(link)->isShared();
490 double surf_network_link_get_bandwidth(surf_cpp_resource_t link){
491 return static_cast<NetworkLinkPtr>(link)->getBandwidth();
494 double surf_network_link_get_latency(surf_cpp_resource_t link){
495 return static_cast<NetworkLinkPtr>(link)->getLatency();
498 xbt_dict_t surf_storage_get_content(surf_resource_t resource){
499 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getContent();
502 sg_size_t surf_storage_get_size(surf_resource_t resource){
503 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getSize();
506 sg_size_t surf_storage_get_free_size(surf_resource_t resource){
507 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getFreeSize();
510 sg_size_t surf_storage_get_used_size(surf_resource_t resource){
511 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getUsedSize();
514 const char* surf_storage_get_host(surf_resource_t resource){
515 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->p_attach;
518 surf_action_t surf_cpu_execute(surf_resource_t cpu, double size){
519 return get_casted_cpu(cpu)->execute(size);
522 surf_action_t surf_cpu_sleep(surf_resource_t cpu, double duration){
523 return get_casted_cpu(cpu)->sleep(duration);
526 double surf_action_get_start_time(surf_action_t action){
527 return action->getStartTime();
530 double surf_action_get_finish_time(surf_action_t action){
531 return action->getFinishTime();
534 double surf_action_get_remains(surf_action_t action){
535 return action->getRemains();
538 void surf_action_unref(surf_action_t action){
542 void surf_action_suspend(surf_action_t action){
546 void surf_action_resume(surf_action_t action){
550 void surf_action_cancel(surf_action_t action){
554 void surf_action_set_priority(surf_action_t action, double priority){
555 action->setPriority(priority);
558 void surf_action_set_category(surf_action_t action, const char *category){
559 action->setCategory(category);
562 void *surf_action_get_data(surf_action_t action){
563 return action->getData();
566 void surf_action_set_data(surf_action_t action, void *data){
567 action->setData(data);
570 e_surf_action_state_t surf_action_get_state(surf_action_t action){
571 return action->getState();
574 double surf_action_get_cost(surf_action_t action){
575 return action->getCost();
578 void surf_cpu_action_set_affinity(surf_action_t action, surf_resource_t cpu, unsigned long mask) {
579 static_cast<CpuActionPtr>(action)->setAffinity(get_casted_cpu(cpu), mask);
582 void surf_cpu_action_set_bound(surf_action_t action, double bound) {
583 static_cast<CpuActionPtr>(action)->setBound(bound);
586 #ifdef HAVE_LATENCY_BOUND_TRACKING
587 double surf_network_action_get_latency_limited(surf_action_t action) {
588 return static_cast<NetworkActionPtr>(action)->getLatencyLimited();
592 surf_file_t surf_storage_action_get_file(surf_action_t action){
593 return static_cast<StorageActionPtr>(action)->p_file;