1 /* Copyright (c) 2013-2015. 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 "host_interface.hpp"
8 #include "surf_interface.hpp"
9 #include "network_interface.hpp"
10 #include "surf_routing_cluster.hpp"
11 #include "instr/instr_private.h"
12 #include "plugins/energy.hpp"
13 #include "vm_interface.hpp"
15 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_kernel);
21 static Host *get_casted_host(surf_resource_t resource){
22 return static_cast<Host*>(surf_host_resource_priv(resource));
25 static VM *get_casted_vm(surf_resource_t resource){
26 return static_cast<VM*>(surf_host_resource_priv(resource));
31 void surf_presolve(void)
33 double next_event_date = -1.0;
34 tmgr_trace_event_t event = NULL;
36 Resource *resource = NULL;
40 XBT_DEBUG ("First Run! Let's \"purge\" events and put models in the right state");
42 while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
43 if (next_event_date > NOW)
46 tmgr_history_get_next_event_leq(history, next_event_date,
48 (void **) &resource))) {
50 resource->updateState(event, value, NOW);
54 xbt_dynar_foreach(model_list, iter, model)
55 model->updateActionsState(NOW, 0.0);
58 double surf_solve(double max_date)
60 double surf_min = -1.0; /* duration */
61 double next_event_date = -1.0;
62 double model_next_action_end = -1.0;
64 Resource *resource = NULL;
66 tmgr_trace_event_t event = NULL;
69 if(!host_that_restart)
70 host_that_restart = xbt_dynar_new(sizeof(char*), NULL);
72 if (max_date != -1.0 && max_date != NOW) {
73 surf_min = max_date - NOW;
76 XBT_DEBUG("Looking for next action end for all models except NS3");
77 xbt_dynar_foreach(model_list_invoke, iter, model) {
78 double next_action_end = -1.0;
79 if (model->shareResourcesIsIdempotent()) {
80 XBT_DEBUG("Running for Resource [%s]", typeid(model).name());
81 next_action_end = model->shareResources(NOW);
82 XBT_DEBUG("Resource [%s] : next action end = %f",
83 typeid(model).name(), next_action_end);
85 if ((surf_min < 0.0 || next_action_end < surf_min)
86 && next_action_end >= 0.0) {
87 surf_min = next_action_end;
91 XBT_DEBUG("Min for resources (remember that NS3 don't update that value) : %f", surf_min);
93 XBT_DEBUG("Looking for next trace event");
96 XBT_DEBUG("Next TRACE event : %f", next_event_date);
98 next_event_date = tmgr_history_next_date(history);
100 if(! surf_network_model->shareResourcesIsIdempotent()){ // NS3, I see you
101 if(next_event_date!=-1.0 && surf_min!=-1.0) {
102 surf_min = MIN(next_event_date - NOW, surf_min);
104 surf_min = MAX(next_event_date - NOW, surf_min);
107 XBT_DEBUG("Run for network at most %f", surf_min);
108 // run until min or next flow
109 model_next_action_end = surf_network_model->shareResources(surf_min);
111 XBT_DEBUG("Min for network : %f", model_next_action_end);
112 if(model_next_action_end>=0.0)
113 surf_min = model_next_action_end;
116 if (next_event_date < 0.0) {
117 XBT_DEBUG("no next TRACE event. Stop searching for it");
121 if ((surf_min == -1.0) || (next_event_date > NOW + surf_min)) break;
123 XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", surf_min, NOW, next_event_date);
125 tmgr_history_get_next_event_leq(history, next_event_date,
127 (void **) &resource))) {
128 if (resource->isUsed() || xbt_dict_get_or_null(watched_hosts_lib, resource->getName())) {
129 surf_min = next_event_date - NOW;
131 ("This event will modify model state. Next event set to %f",
134 /* update state of model_obj according to new value. Does not touch lmm.
135 It will be modified if needed when updating actions */
136 XBT_DEBUG("Calling update_resource_state for resource %s with min %f",
137 resource->getName(), surf_min);
138 resource->updateState(event, value, next_event_date);
142 /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
143 * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
144 * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
145 if (surf_min == -1.0) {
146 XBT_DEBUG("No next event at all. Bail out now.");
150 XBT_DEBUG("Duration set to %f", surf_min);
152 NOW = NOW + surf_min;
153 /* FIXME: model_list or model_list_invoke? revisit here later */
154 /* sequential version */
155 xbt_dynar_foreach(model_list, iter, model) {
156 model->updateActionsState(NOW, surf_min);
159 TRACE_paje_dump_buffer (0);
164 void routing_get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst,
165 xbt_dynar_t * route, double *latency){
166 routing_platf->getRouteAndLatency(src, dst, route, latency);
173 surf_model_t surf_resource_model(const void *host, int level) {
174 /* If level is SURF_WKS_LEVEL, ws is a host_CLM03 object. It has
175 * surf_resource at the generic_resource field. */
176 Resource *ws = static_cast<Resource*>(xbt_lib_get_level((xbt_dictelm_t) host, level));
177 return ws->getModel();
180 void *surf_as_cluster_get_backbone(AS_t as){
181 return static_cast<AsCluster*>(as)->p_backbone;
184 void surf_as_cluster_set_backbone(AS_t as, void* backbone){
185 static_cast<AsCluster*>(as)->p_backbone = static_cast<Link*>(backbone);
188 const char *surf_model_name(surf_model_t model){
189 return typeid(model).name();
192 surf_action_t surf_model_extract_done_action_set(surf_model_t model){
193 if (model->getDoneActionSet()->empty())
195 surf_action_t res = &model->getDoneActionSet()->front();
196 model->getDoneActionSet()->pop_front();
200 surf_action_t surf_model_extract_failed_action_set(surf_model_t model){
201 if (model->getFailedActionSet()->empty())
203 surf_action_t res = &model->getFailedActionSet()->front();
204 model->getFailedActionSet()->pop_front();
208 surf_action_t surf_model_extract_ready_action_set(surf_model_t model){
209 if (model->getReadyActionSet()->empty())
211 surf_action_t res = &model->getReadyActionSet()->front();
212 model->getReadyActionSet()->pop_front();
216 surf_action_t surf_model_extract_running_action_set(surf_model_t model){
217 if (model->getRunningActionSet()->empty())
219 surf_action_t res = &model->getRunningActionSet()->front();
220 model->getRunningActionSet()->pop_front();
224 int surf_model_running_action_set_size(surf_model_t model){
225 return model->getRunningActionSet()->size();
228 surf_action_t surf_host_model_execute_parallel_task(surf_host_model_t model,
230 sg_host_t *host_list,
231 double *flops_amount,
232 double *bytes_amount,
234 return static_cast<Action*>(model->executeParallelTask(host_nb, host_list, flops_amount, bytes_amount, rate));
237 xbt_dynar_t surf_host_model_get_route(surf_host_model_t /*model*/,
238 surf_resource_t src, surf_resource_t dst){
239 xbt_dynar_t route = NULL;
240 routing_platf->getRouteAndLatency(get_casted_host(src)->p_netElm,
241 get_casted_host(dst)->p_netElm, &route, NULL);
245 void surf_vm_model_create(const char *name, surf_resource_t ind_phys_host){
246 surf_vm_model->createVM(name, ind_phys_host);
249 surf_action_t surf_network_model_communicate(surf_network_model_t model, sg_host_t src, sg_host_t dst, double size, double rate){
250 return model->communicate(sg_host_edge(src), sg_host_edge(dst), size, rate);
253 const char *surf_resource_name(surf_cpp_resource_t resource){
254 return resource->getName();
257 xbt_dict_t surf_resource_get_properties(surf_cpp_resource_t resource){
258 return resource->getProperties();
261 e_surf_resource_state_t surf_resource_get_state(surf_cpp_resource_t resource){
262 return resource->getState();
265 void surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state){
266 resource->setState(state);
269 surf_action_t surf_host_sleep(surf_resource_t host, double duration){
270 return get_casted_host(host)->sleep(duration);
273 double surf_host_get_speed(surf_resource_t host, double load){
274 return sg_host_surfcpu(host)->getSpeed(load);
277 double surf_host_get_available_speed(surf_resource_t host){
278 return sg_host_surfcpu(host)->getAvailableSpeed();
281 int surf_host_get_core(surf_resource_t host){
282 return sg_host_surfcpu(host)->getCore();
285 surf_action_t surf_host_execute(surf_resource_t host, double size){
286 return get_casted_host(host)->execute(size);
289 double surf_host_get_current_power_peak(surf_resource_t host){
290 return sg_host_surfcpu(host)->getCurrentPowerPeak();
293 double surf_host_get_power_peak_at(surf_resource_t host, int pstate_index){
294 return sg_host_surfcpu(host)->getPowerPeakAt(pstate_index);
297 int surf_host_get_nb_pstates(surf_resource_t host){
298 return sg_host_surfcpu(host)->getNbPstates();
301 void surf_host_set_pstate(surf_resource_t host, int pstate_index){
302 sg_host_surfcpu(host)->setPstate(pstate_index);
304 int surf_host_get_pstate(surf_resource_t host){
305 return sg_host_surfcpu(host)->getPstate();
307 double surf_host_get_wattmin_at(surf_resource_t resource, int pstate){
308 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active. Please call sg_energy_plugin_init() during initialization.");
309 std::map<Cpu*, CpuEnergy*>::iterator cpuIt = surf_energy->find(get_casted_host(resource)->p_cpu);
310 return cpuIt->second->getWattMinAt(pstate);
312 double surf_host_get_wattmax_at(surf_resource_t resource, int pstate){
313 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active. Please call sg_energy_plugin_init() during initialization.");
314 std::map<Cpu*, CpuEnergy*>::iterator cpuIt = surf_energy->find(get_casted_host(resource)->p_cpu);
315 return cpuIt->second->getWattMaxAt(pstate);
318 double surf_host_get_consumed_energy(surf_resource_t resource){
319 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active. Please call sg_energy_plugin_init() during initialization.");
320 std::map<Cpu*, CpuEnergy*>::iterator cpuIt = surf_energy->find(get_casted_host(resource)->p_cpu);
321 return cpuIt->second->getConsumedEnergy();
324 xbt_dict_t surf_host_get_mounted_storage_list(surf_resource_t host){
325 return get_casted_host(host)->getMountedStorageList();
328 xbt_dynar_t surf_host_get_attached_storage_list(surf_resource_t host){
329 return get_casted_host(host)->getAttachedStorageList();
332 surf_action_t surf_host_open(surf_resource_t host, const char* fullpath){
333 return get_casted_host(host)->open(fullpath);
336 surf_action_t surf_host_close(surf_resource_t host, surf_file_t fd){
337 return get_casted_host(host)->close(fd);
340 int surf_host_unlink(surf_resource_t host, surf_file_t fd){
341 return get_casted_host(host)->unlink(fd);
344 size_t surf_host_get_size(surf_resource_t host, surf_file_t fd){
345 return get_casted_host(host)->getSize(fd);
348 surf_action_t surf_host_read(surf_resource_t host, surf_file_t fd, sg_size_t size){
349 return get_casted_host(host)->read(fd, size);
352 surf_action_t surf_host_write(surf_resource_t host, surf_file_t fd, sg_size_t size){
353 return get_casted_host(host)->write(fd, size);
356 xbt_dynar_t surf_host_get_info(surf_resource_t host, surf_file_t fd){
357 return get_casted_host(host)->getInfo(fd);
360 size_t surf_host_file_tell(surf_resource_t host, surf_file_t fd){
361 return get_casted_host(host)->fileTell(fd);
364 int surf_host_file_seek(surf_resource_t host, surf_file_t fd,
365 sg_offset_t offset, int origin){
366 return get_casted_host(host)->fileSeek(fd, offset, origin);
369 int surf_host_file_move(surf_resource_t host, surf_file_t fd, const char* fullpath){
370 return get_casted_host(host)->fileMove(fd, fullpath);
373 xbt_dynar_t surf_host_get_vms(surf_resource_t host){
374 xbt_dynar_t vms = get_casted_host(host)->getVms();
375 xbt_dynar_t vms_ = xbt_dynar_new(sizeof(sg_host_t), NULL);
378 xbt_dynar_foreach(vms, cpt, vm) {
379 sg_host_t vm_ = xbt_lib_get_elm_or_null(host_lib, vm->getName());
380 xbt_dynar_push(vms_, &vm_);
382 xbt_dynar_free(&vms);
386 void surf_host_get_params(surf_resource_t host, vm_params_t params){
387 get_casted_host(host)->getParams(params);
390 void surf_host_set_params(surf_resource_t host, vm_params_t params){
391 get_casted_host(host)->setParams(params);
394 void surf_vm_destroy(surf_resource_t resource){
395 /* Before clearing the entries in host_lib, we have to pick up resources. */
396 VM *vm = get_casted_vm(resource);
397 char* name = xbt_dict_get_elm_key(resource);
398 /* We deregister objects from host_lib, without invoking the freeing callback
401 * Do not call xbt_lib_remove() here. It deletes all levels of the key,
402 * including MSG_HOST_LEVEL and others. We should unregister only what we know.
404 sg_host_surfcpu_destroy((sg_host_t)resource);
405 sg_host_edge_destroy((sg_host_t)resource,1);
406 xbt_lib_unset(host_lib, name, SURF_HOST_LEVEL, 0);
408 /* TODO: comment out when VM storage is implemented. */
409 // xbt_lib_unset(host_lib, name, SURF_STORAGE_LEVEL, 0);
414 void surf_vm_suspend(surf_resource_t vm){
415 get_casted_vm(vm)->suspend();
418 void surf_vm_resume(surf_resource_t vm){
419 get_casted_vm(vm)->resume();
422 void surf_vm_save(surf_resource_t vm){
423 get_casted_vm(vm)->save();
426 void surf_vm_restore(surf_resource_t vm){
427 get_casted_vm(vm)->restore();
430 void surf_vm_migrate(surf_resource_t vm, surf_resource_t ind_vm_ws_dest){
431 get_casted_vm(vm)->migrate(ind_vm_ws_dest);
434 surf_resource_t surf_vm_get_pm(surf_resource_t vm){
435 return get_casted_vm(vm)->getPm();
438 void surf_vm_set_bound(surf_resource_t vm, double bound){
439 return get_casted_vm(vm)->setBound(bound);
442 void surf_vm_set_affinity(surf_resource_t vm, surf_resource_t cpu, unsigned long mask){
443 return get_casted_vm(vm)->setAffinity(sg_host_surfcpu(cpu), mask);
446 xbt_dict_t surf_storage_get_content(surf_resource_t resource){
447 return static_cast<Storage*>(surf_storage_resource_priv(resource))->getContent();
450 sg_size_t surf_storage_get_size(surf_resource_t resource){
451 return static_cast<Storage*>(surf_storage_resource_priv(resource))->getSize();
454 sg_size_t surf_storage_get_free_size(surf_resource_t resource){
455 return static_cast<Storage*>(surf_storage_resource_priv(resource))->getFreeSize();
458 sg_size_t surf_storage_get_used_size(surf_resource_t resource){
459 return static_cast<Storage*>(surf_storage_resource_priv(resource))->getUsedSize();
462 const char* surf_storage_get_host(surf_resource_t resource){
463 return static_cast<Storage*>(surf_storage_resource_priv(resource))->p_attach;
466 surf_action_t surf_cpu_execute(surf_resource_t cpu, double size){
467 return sg_host_surfcpu(cpu)->execute(size);
470 surf_action_t surf_cpu_sleep(surf_resource_t cpu, double duration){
471 return sg_host_surfcpu(cpu)->sleep(duration);
474 double surf_action_get_start_time(surf_action_t action){
475 return action->getStartTime();
478 double surf_action_get_finish_time(surf_action_t action){
479 return action->getFinishTime();
482 double surf_action_get_remains(surf_action_t action){
483 return action->getRemains();
486 void surf_action_unref(surf_action_t action){
490 void surf_action_suspend(surf_action_t action){
494 void surf_action_resume(surf_action_t action){
498 void surf_action_cancel(surf_action_t action){
502 void surf_action_set_priority(surf_action_t action, double priority){
503 action->setPriority(priority);
506 void surf_action_set_category(surf_action_t action, const char *category){
507 action->setCategory(category);
510 void *surf_action_get_data(surf_action_t action){
511 return action->getData();
514 void surf_action_set_data(surf_action_t action, void *data){
515 action->setData(data);
518 e_surf_action_state_t surf_action_get_state(surf_action_t action){
519 return action->getState();
522 double surf_action_get_cost(surf_action_t action){
523 return action->getCost();
526 void surf_cpu_action_set_affinity(surf_action_t action, surf_resource_t cpu, unsigned long mask) {
527 static_cast<CpuAction*>(action)->setAffinity(sg_host_surfcpu(cpu), mask);
530 void surf_cpu_action_set_bound(surf_action_t action, double bound) {
531 static_cast<CpuAction*>(action)->setBound(bound);
534 #ifdef HAVE_LATENCY_BOUND_TRACKING
535 double surf_network_action_get_latency_limited(surf_action_t action) {
536 return static_cast<NetworkActionPtr>(action)->getLatencyLimited();
540 surf_file_t surf_storage_action_get_file(surf_action_t action){
541 return static_cast<StorageAction*>(action)->p_file;