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 "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 HostPtr get_casted_host(surf_resource_t resource){
22 return static_cast<HostPtr>(surf_host_resource_priv(resource));
25 static VMPtr get_casted_vm(surf_resource_t resource){
26 return static_cast<VMPtr>(surf_host_resource_priv(resource));
29 char *surf_routing_edge_name(sg_routing_edge_t edge){
30 return edge->getName();
34 extern double *surf_mins; /* return value of share_resources for each model */
35 extern int surf_min_index; /* current index in surf_mins */
36 extern double surf_min; /* duration determined by surf_solve */
38 void surf_presolve(void)
40 double next_event_date = -1.0;
41 tmgr_trace_event_t event = NULL;
43 ResourcePtr resource = NULL;
44 ModelPtr model = NULL;
48 ("First Run! Let's \"purge\" events and put models in the right state");
49 while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
50 if (next_event_date > NOW)
53 tmgr_history_get_next_event_leq(history, next_event_date,
55 (void **) &resource))) {
57 resource->updateState(event, value, NOW);
61 xbt_dynar_foreach(model_list, iter, model)
62 model->updateActionsState(NOW, 0.0);
66 * Computes when the next action executed in a
67 * specific model terminates; this is important,
68 * because we can safely skip the amount of time
69 * in which no model (read: not even a single one)
70 * changes its state; so, if for instance network,
71 * cpu, storage don't change (and if we assume they're
72 * the only models we use... simple example here :) )
73 * for 2s, 1s, 3s then we can skip 1s as after this
74 * amount of time the new state needs to be considered.
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 host_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<Link*>(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_host_model_execute_parallel_task(surf_host_model_t model,
273 double *flops_amount,
274 double *bytes_amount,
276 return static_cast<ActionPtr>(model->executeParallelTask(host_nb, host_list, flops_amount, bytes_amount, rate));
279 surf_action_t surf_host_model_communicate(surf_host_model_t model, surf_resource_t src, surf_resource_t dst, double size, double rate){
280 return model->communicate(get_casted_host(src), get_casted_host(dst), size, rate);
283 xbt_dynar_t surf_host_model_get_route(surf_host_model_t /*model*/,
284 surf_resource_t src, surf_resource_t dst){
285 xbt_dynar_t route = NULL;
286 routing_platf->getRouteAndLatency(get_casted_host(src)->p_netElm,
287 get_casted_host(dst)->p_netElm, &route, NULL);
291 void surf_vm_model_create(const char *name, surf_resource_t ind_phys_host){
292 surf_vm_model->createVM(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_host_sleep(surf_resource_t resource, double duration){
316 return get_casted_host(resource)->sleep(duration);
319 double surf_host_get_speed(surf_resource_t resource, double load){
320 return get_casted_host(resource)->getSpeed(load);
323 double surf_host_get_available_speed(surf_resource_t resource){
324 return get_casted_host(resource)->getAvailableSpeed();
327 int surf_host_get_core(surf_resource_t resource){
328 return get_casted_host(resource)->getCore();
331 surf_action_t surf_host_execute(surf_resource_t resource, double size){
332 return get_casted_host(resource)->execute(size);
335 double surf_host_get_current_power_peak(surf_resource_t resource){
336 return get_casted_host(resource)->getCurrentPowerPeak();
339 double surf_host_get_power_peak_at(surf_resource_t resource, int pstate_index){
340 return get_casted_host(resource)->getPowerPeakAt(pstate_index);
343 int surf_host_get_nb_pstates(surf_resource_t resource){
344 return get_casted_host(resource)->getNbPstates();
347 void surf_host_set_pstate(surf_resource_t resource, int pstate_index){
348 get_casted_host(resource)->setPstate(pstate_index);
350 int surf_host_get_pstate(surf_resource_t resource){
351 return get_casted_host(resource)->getPstate();
353 double surf_host_get_wattmin_at(surf_resource_t resource, int pstate){
354 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active. Please call sg_energy_plugin_init() during initialization.");
355 std::map<CpuPtr, CpuEnergyPtr>::iterator cpuIt = surf_energy->find(get_casted_host(resource)->p_cpu);
356 return cpuIt->second->getWattMinAt(pstate);
358 double surf_host_get_wattmax_at(surf_resource_t resource, int pstate){
359 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active. Please call sg_energy_plugin_init() during initialization.");
360 std::map<CpuPtr, CpuEnergyPtr>::iterator cpuIt = surf_energy->find(get_casted_host(resource)->p_cpu);
361 return cpuIt->second->getWattMaxAt(pstate);
364 double surf_host_get_consumed_energy(surf_resource_t resource){
365 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active. Please call sg_energy_plugin_init() during initialization.");
366 std::map<CpuPtr, CpuEnergyPtr>::iterator cpuIt = surf_energy->find(get_casted_host(resource)->p_cpu);
367 return cpuIt->second->getConsumedEnergy();
370 xbt_dict_t surf_host_get_mounted_storage_list(surf_resource_t host){
371 return get_casted_host(host)->getMountedStorageList();
374 xbt_dynar_t surf_host_get_attached_storage_list(surf_resource_t host){
375 return get_casted_host(host)->getAttachedStorageList();
378 surf_action_t surf_host_open(surf_resource_t host, const char* fullpath){
379 return get_casted_host(host)->open(fullpath);
382 surf_action_t surf_host_close(surf_resource_t host, surf_file_t fd){
383 return get_casted_host(host)->close(fd);
386 int surf_host_unlink(surf_resource_t host, surf_file_t fd){
387 return get_casted_host(host)->unlink(fd);
390 size_t surf_host_get_size(surf_resource_t host, surf_file_t fd){
391 return get_casted_host(host)->getSize(fd);
394 surf_action_t surf_host_read(surf_resource_t host, surf_file_t fd, sg_size_t size){
395 return get_casted_host(host)->read(fd, size);
398 surf_action_t surf_host_write(surf_resource_t host, surf_file_t fd, sg_size_t size){
399 return get_casted_host(host)->write(fd, size);
402 xbt_dynar_t surf_host_get_info(surf_resource_t host, surf_file_t fd){
403 return get_casted_host(host)->getInfo(fd);
406 size_t surf_host_file_tell(surf_resource_t host, surf_file_t fd){
407 return get_casted_host(host)->fileTell(fd);
410 int surf_host_file_seek(surf_resource_t host, surf_file_t fd,
411 sg_offset_t offset, int origin){
412 return get_casted_host(host)->fileSeek(fd, offset, origin);
415 int surf_host_file_move(surf_resource_t host, surf_file_t fd, const char* fullpath){
416 return get_casted_host(host)->fileMove(fd, fullpath);
419 xbt_dynar_t surf_host_get_vms(surf_resource_t host){
420 xbt_dynar_t vms = get_casted_host(host)->getVms();
421 xbt_dynar_t vms_ = xbt_dynar_new(sizeof(sg_host_t), NULL);
424 xbt_dynar_foreach(vms, cpt, vm) {
425 sg_host_t vm_ = xbt_lib_get_elm_or_null(host_lib, vm->getName());
426 xbt_dynar_push(vms_, &vm_);
428 xbt_dynar_free(&vms);
432 void surf_host_get_params(surf_resource_t host, ws_params_t params){
433 get_casted_host(host)->getParams(params);
436 void surf_host_set_params(surf_resource_t host, ws_params_t params){
437 get_casted_host(host)->setParams(params);
440 void surf_vm_destroy(surf_resource_t resource){
441 /* Before clearing the entries in host_lib, we have to pick up resources. */
442 VMPtr vm = get_casted_vm(resource);
443 char* name = xbt_dict_get_elm_key(resource);
444 /* We deregister objects from host_lib, without invoking the freeing callback
447 * Do not call xbt_lib_remove() here. It deletes all levels of the key,
448 * including MSG_HOST_LEVEL and others. We should unregister only what we know.
450 sg_host_surfcpu_destroy((sg_host_t)resource);
451 sg_host_edge_destroy((sg_host_t)resource,1);
452 xbt_lib_unset(host_lib, name, SURF_HOST_LEVEL, 0);
454 /* TODO: comment out when VM storage is implemented. */
455 // xbt_lib_unset(host_lib, name, SURF_STORAGE_LEVEL, 0);
460 void surf_vm_suspend(surf_resource_t vm){
461 get_casted_vm(vm)->suspend();
464 void surf_vm_resume(surf_resource_t vm){
465 get_casted_vm(vm)->resume();
468 void surf_vm_save(surf_resource_t vm){
469 get_casted_vm(vm)->save();
472 void surf_vm_restore(surf_resource_t vm){
473 get_casted_vm(vm)->restore();
476 void surf_vm_migrate(surf_resource_t vm, surf_resource_t ind_vm_ws_dest){
477 get_casted_vm(vm)->migrate(ind_vm_ws_dest);
480 surf_resource_t surf_vm_get_pm(surf_resource_t vm){
481 return get_casted_vm(vm)->getPm();
484 void surf_vm_set_bound(surf_resource_t vm, double bound){
485 return get_casted_vm(vm)->setBound(bound);
488 void surf_vm_set_affinity(surf_resource_t vm, surf_resource_t cpu, unsigned long mask){
489 return get_casted_vm(vm)->setAffinity(sg_host_surfcpu(cpu), mask);
492 xbt_dict_t surf_storage_get_content(surf_resource_t resource){
493 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getContent();
496 sg_size_t surf_storage_get_size(surf_resource_t resource){
497 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getSize();
500 sg_size_t surf_storage_get_free_size(surf_resource_t resource){
501 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getFreeSize();
504 sg_size_t surf_storage_get_used_size(surf_resource_t resource){
505 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getUsedSize();
508 const char* surf_storage_get_host(surf_resource_t resource){
509 return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->p_attach;
512 surf_action_t surf_cpu_execute(surf_resource_t cpu, double size){
513 return sg_host_surfcpu(cpu)->execute(size);
516 surf_action_t surf_cpu_sleep(surf_resource_t cpu, double duration){
517 return sg_host_surfcpu(cpu)->sleep(duration);
520 double surf_action_get_start_time(surf_action_t action){
521 return action->getStartTime();
524 double surf_action_get_finish_time(surf_action_t action){
525 return action->getFinishTime();
528 double surf_action_get_remains(surf_action_t action){
529 return action->getRemains();
532 void surf_action_unref(surf_action_t action){
536 void surf_action_suspend(surf_action_t action){
540 void surf_action_resume(surf_action_t action){
544 void surf_action_cancel(surf_action_t action){
548 void surf_action_set_priority(surf_action_t action, double priority){
549 action->setPriority(priority);
552 void surf_action_set_category(surf_action_t action, const char *category){
553 action->setCategory(category);
556 void *surf_action_get_data(surf_action_t action){
557 return action->getData();
560 void surf_action_set_data(surf_action_t action, void *data){
561 action->setData(data);
564 e_surf_action_state_t surf_action_get_state(surf_action_t action){
565 return action->getState();
568 double surf_action_get_cost(surf_action_t action){
569 return action->getCost();
572 void surf_cpu_action_set_affinity(surf_action_t action, surf_resource_t cpu, unsigned long mask) {
573 static_cast<CpuActionPtr>(action)->setAffinity(sg_host_surfcpu(cpu), mask);
576 void surf_cpu_action_set_bound(surf_action_t action, double bound) {
577 static_cast<CpuActionPtr>(action)->setBound(bound);
580 #ifdef HAVE_LATENCY_BOUND_TRACKING
581 double surf_network_action_get_latency_limited(surf_action_t action) {
582 return static_cast<NetworkActionPtr>(action)->getLatencyLimited();
586 surf_file_t surf_storage_action_get_file(surf_action_t action){
587 return static_cast<StorageActionPtr>(action)->p_file;