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 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));
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 Resource *resource = 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);
65 double surf_solve(double max_date)
67 surf_min = -1.0; /* duration */
68 double next_event_date = -1.0;
69 double model_next_action_end = -1.0;
71 Resource *resource = NULL;
73 tmgr_trace_event_t event = NULL;
76 if(!host_that_restart)
77 host_that_restart = xbt_dynar_new(sizeof(char*), NULL);
79 if (max_date != -1.0 && max_date != NOW) {
80 surf_min = max_date - NOW;
83 XBT_DEBUG("Looking for next action end for all models except NS3");
85 if (surf_mins == NULL) {
86 surf_mins = xbt_new(double, xbt_dynar_length(model_list_invoke));
90 /* sequential version */
91 xbt_dynar_foreach(model_list_invoke, iter, model) {
92 double next_action_end = -1.0;
93 int i = __sync_fetch_and_add(&surf_min_index, 1);
94 if (strcmp(model->getName(), "network NS3")) {
95 XBT_DEBUG("Running for Resource [%s]", model->getName());
96 next_action_end = model->shareResources(NOW);
97 XBT_DEBUG("Resource [%s] : next action end = %f",
98 model->getName(), next_action_end);
100 surf_mins[i] = next_action_end;
104 for (i = 0; i < xbt_dynar_length(model_list_invoke); i++) {
105 if ((surf_min < 0.0 || surf_mins[i] < surf_min)
106 && surf_mins[i] >= 0.0) {
107 surf_min = surf_mins[i];
111 XBT_DEBUG("Min for resources (remember that NS3 don't update that value) : %f", surf_min);
113 XBT_DEBUG("Looking for next trace event");
116 XBT_DEBUG("Next TRACE event : %f", next_event_date);
118 next_event_date = tmgr_history_next_date(history);
120 if(!strcmp(surf_network_model->getName(), "network NS3")){
121 if(next_event_date!=-1.0 && surf_min!=-1.0) {
122 surf_min = MIN(next_event_date - NOW, surf_min);
124 surf_min = MAX(next_event_date - NOW, surf_min);
127 XBT_DEBUG("Run for network at most %f", surf_min);
128 // run until min or next flow
129 model_next_action_end = surf_network_model->shareResources(surf_min);
131 XBT_DEBUG("Min for network : %f", model_next_action_end);
132 if(model_next_action_end>=0.0)
133 surf_min = model_next_action_end;
136 if (next_event_date < 0.0) {
137 XBT_DEBUG("no next TRACE event. Stop searching for it");
141 if ((surf_min == -1.0) || (next_event_date > NOW + surf_min)) break;
143 XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", surf_min, NOW, next_event_date);
145 tmgr_history_get_next_event_leq(history, next_event_date,
147 (void **) &resource))) {
148 if (resource->isUsed() || xbt_dict_get_or_null(watched_hosts_lib, resource->getName())) {
149 surf_min = next_event_date - NOW;
151 ("This event will modify model state. Next event set to %f",
154 /* update state of model_obj according to new value. Does not touch lmm.
155 It will be modified if needed when updating actions */
156 XBT_DEBUG("Calling update_resource_state for resource %s with min %f",
157 resource->getName(), surf_min);
158 resource->updateState(event, value, next_event_date);
162 /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
163 * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
164 * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
165 if (surf_min == -1.0) {
166 XBT_DEBUG("No next event at all. Bail out now.");
170 XBT_DEBUG("Duration set to %f", surf_min);
172 NOW = NOW + surf_min;
173 /* FIXME: model_list or model_list_invoke? revisit here later */
174 /* sequential version */
175 xbt_dynar_foreach(model_list, iter, model) {
176 model->updateActionsState(NOW, surf_min);
179 TRACE_paje_dump_buffer (0);
184 void routing_get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst,
185 xbt_dynar_t * route, double *latency){
186 routing_platf->getRouteAndLatency(src, dst, route, latency);
193 surf_model_t surf_resource_model(const void *host, int level) {
194 /* If level is SURF_WKS_LEVEL, ws is a host_CLM03 object. It has
195 * surf_resource at the generic_resource field. */
196 Resource *ws = static_cast<Resource*>(xbt_lib_get_level((xbt_dictelm_t) host, level));
197 return ws->getModel();
200 void *surf_as_cluster_get_backbone(AS_t as){
201 return static_cast<AsCluster*>(as)->p_backbone;
204 void surf_as_cluster_set_backbone(AS_t as, void* backbone){
205 static_cast<AsCluster*>(as)->p_backbone = static_cast<Link*>(backbone);
208 const char *surf_model_name(surf_model_t model){
209 return model->getName();
212 surf_action_t surf_model_extract_done_action_set(surf_model_t model){
213 if (model->getDoneActionSet()->empty())
215 surf_action_t res = &model->getDoneActionSet()->front();
216 model->getDoneActionSet()->pop_front();
220 surf_action_t surf_model_extract_failed_action_set(surf_model_t model){
221 if (model->getFailedActionSet()->empty())
223 surf_action_t res = &model->getFailedActionSet()->front();
224 model->getFailedActionSet()->pop_front();
228 surf_action_t surf_model_extract_ready_action_set(surf_model_t model){
229 if (model->getReadyActionSet()->empty())
231 surf_action_t res = &model->getReadyActionSet()->front();
232 model->getReadyActionSet()->pop_front();
236 surf_action_t surf_model_extract_running_action_set(surf_model_t model){
237 if (model->getRunningActionSet()->empty())
239 surf_action_t res = &model->getRunningActionSet()->front();
240 model->getRunningActionSet()->pop_front();
244 int surf_model_running_action_set_size(surf_model_t model){
245 return model->getRunningActionSet()->size();
248 surf_action_t surf_host_model_execute_parallel_task(surf_host_model_t model,
251 double *flops_amount,
252 double *bytes_amount,
254 return static_cast<Action*>(model->executeParallelTask(host_nb, host_list, flops_amount, bytes_amount, rate));
257 surf_action_t surf_host_model_communicate(surf_host_model_t model, surf_resource_t src, surf_resource_t dst, double size, double rate){
258 return model->communicate(get_casted_host(src), get_casted_host(dst), size, rate);
261 xbt_dynar_t surf_host_model_get_route(surf_host_model_t /*model*/,
262 surf_resource_t src, surf_resource_t dst){
263 xbt_dynar_t route = NULL;
264 routing_platf->getRouteAndLatency(get_casted_host(src)->p_netElm,
265 get_casted_host(dst)->p_netElm, &route, NULL);
269 void surf_vm_model_create(const char *name, surf_resource_t ind_phys_host){
270 surf_vm_model->createVM(name, ind_phys_host);
273 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){
274 return model->communicate(src, dst, size, rate);
277 const char *surf_resource_name(surf_cpp_resource_t resource){
278 return resource->getName();
281 xbt_dict_t surf_resource_get_properties(surf_cpp_resource_t resource){
282 return resource->getProperties();
285 e_surf_resource_state_t surf_resource_get_state(surf_cpp_resource_t resource){
286 return resource->getState();
289 void surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state){
290 resource->setState(state);
293 surf_action_t surf_host_sleep(surf_resource_t resource, double duration){
294 return get_casted_host(resource)->sleep(duration);
297 double surf_host_get_speed(surf_resource_t resource, double load){
298 return get_casted_host(resource)->getSpeed(load);
301 double surf_host_get_available_speed(surf_resource_t resource){
302 return get_casted_host(resource)->getAvailableSpeed();
305 int surf_host_get_core(surf_resource_t resource){
306 return get_casted_host(resource)->getCore();
309 surf_action_t surf_host_execute(surf_resource_t resource, double size){
310 return get_casted_host(resource)->execute(size);
313 double surf_host_get_current_power_peak(surf_resource_t resource){
314 return get_casted_host(resource)->getCurrentPowerPeak();
317 double surf_host_get_power_peak_at(surf_resource_t resource, int pstate_index){
318 return get_casted_host(resource)->getPowerPeakAt(pstate_index);
321 int surf_host_get_nb_pstates(surf_resource_t resource){
322 return get_casted_host(resource)->getNbPstates();
325 void surf_host_set_pstate(surf_resource_t resource, int pstate_index){
326 get_casted_host(resource)->setPstate(pstate_index);
328 int surf_host_get_pstate(surf_resource_t resource){
329 return get_casted_host(resource)->getPstate();
331 double surf_host_get_wattmin_at(surf_resource_t resource, int pstate){
332 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active. Please call sg_energy_plugin_init() during initialization.");
333 std::map<Cpu*, CpuEnergy*>::iterator cpuIt = surf_energy->find(get_casted_host(resource)->p_cpu);
334 return cpuIt->second->getWattMinAt(pstate);
336 double surf_host_get_wattmax_at(surf_resource_t resource, int pstate){
337 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active. Please call sg_energy_plugin_init() during initialization.");
338 std::map<Cpu*, CpuEnergy*>::iterator cpuIt = surf_energy->find(get_casted_host(resource)->p_cpu);
339 return cpuIt->second->getWattMaxAt(pstate);
342 double surf_host_get_consumed_energy(surf_resource_t resource){
343 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active. Please call sg_energy_plugin_init() during initialization.");
344 std::map<Cpu*, CpuEnergy*>::iterator cpuIt = surf_energy->find(get_casted_host(resource)->p_cpu);
345 return cpuIt->second->getConsumedEnergy();
348 xbt_dict_t surf_host_get_mounted_storage_list(surf_resource_t host){
349 return get_casted_host(host)->getMountedStorageList();
352 xbt_dynar_t surf_host_get_attached_storage_list(surf_resource_t host){
353 return get_casted_host(host)->getAttachedStorageList();
356 surf_action_t surf_host_open(surf_resource_t host, const char* fullpath){
357 return get_casted_host(host)->open(fullpath);
360 surf_action_t surf_host_close(surf_resource_t host, surf_file_t fd){
361 return get_casted_host(host)->close(fd);
364 int surf_host_unlink(surf_resource_t host, surf_file_t fd){
365 return get_casted_host(host)->unlink(fd);
368 size_t surf_host_get_size(surf_resource_t host, surf_file_t fd){
369 return get_casted_host(host)->getSize(fd);
372 surf_action_t surf_host_read(surf_resource_t host, surf_file_t fd, sg_size_t size){
373 return get_casted_host(host)->read(fd, size);
376 surf_action_t surf_host_write(surf_resource_t host, surf_file_t fd, sg_size_t size){
377 return get_casted_host(host)->write(fd, size);
380 xbt_dynar_t surf_host_get_info(surf_resource_t host, surf_file_t fd){
381 return get_casted_host(host)->getInfo(fd);
384 size_t surf_host_file_tell(surf_resource_t host, surf_file_t fd){
385 return get_casted_host(host)->fileTell(fd);
388 int surf_host_file_seek(surf_resource_t host, surf_file_t fd,
389 sg_offset_t offset, int origin){
390 return get_casted_host(host)->fileSeek(fd, offset, origin);
393 int surf_host_file_move(surf_resource_t host, surf_file_t fd, const char* fullpath){
394 return get_casted_host(host)->fileMove(fd, fullpath);
397 xbt_dynar_t surf_host_get_vms(surf_resource_t host){
398 xbt_dynar_t vms = get_casted_host(host)->getVms();
399 xbt_dynar_t vms_ = xbt_dynar_new(sizeof(sg_host_t), NULL);
402 xbt_dynar_foreach(vms, cpt, vm) {
403 sg_host_t vm_ = xbt_lib_get_elm_or_null(host_lib, vm->getName());
404 xbt_dynar_push(vms_, &vm_);
406 xbt_dynar_free(&vms);
410 void surf_host_get_params(surf_resource_t host, ws_params_t params){
411 get_casted_host(host)->getParams(params);
414 void surf_host_set_params(surf_resource_t host, ws_params_t params){
415 get_casted_host(host)->setParams(params);
418 void surf_vm_destroy(surf_resource_t resource){
419 /* Before clearing the entries in host_lib, we have to pick up resources. */
420 VM *vm = get_casted_vm(resource);
421 char* name = xbt_dict_get_elm_key(resource);
422 /* We deregister objects from host_lib, without invoking the freeing callback
425 * Do not call xbt_lib_remove() here. It deletes all levels of the key,
426 * including MSG_HOST_LEVEL and others. We should unregister only what we know.
428 sg_host_surfcpu_destroy((sg_host_t)resource);
429 sg_host_edge_destroy((sg_host_t)resource,1);
430 xbt_lib_unset(host_lib, name, SURF_HOST_LEVEL, 0);
432 /* TODO: comment out when VM storage is implemented. */
433 // xbt_lib_unset(host_lib, name, SURF_STORAGE_LEVEL, 0);
438 void surf_vm_suspend(surf_resource_t vm){
439 get_casted_vm(vm)->suspend();
442 void surf_vm_resume(surf_resource_t vm){
443 get_casted_vm(vm)->resume();
446 void surf_vm_save(surf_resource_t vm){
447 get_casted_vm(vm)->save();
450 void surf_vm_restore(surf_resource_t vm){
451 get_casted_vm(vm)->restore();
454 void surf_vm_migrate(surf_resource_t vm, surf_resource_t ind_vm_ws_dest){
455 get_casted_vm(vm)->migrate(ind_vm_ws_dest);
458 surf_resource_t surf_vm_get_pm(surf_resource_t vm){
459 return get_casted_vm(vm)->getPm();
462 void surf_vm_set_bound(surf_resource_t vm, double bound){
463 return get_casted_vm(vm)->setBound(bound);
466 void surf_vm_set_affinity(surf_resource_t vm, surf_resource_t cpu, unsigned long mask){
467 return get_casted_vm(vm)->setAffinity(sg_host_surfcpu(cpu), mask);
470 xbt_dict_t surf_storage_get_content(surf_resource_t resource){
471 return static_cast<Storage*>(surf_storage_resource_priv(resource))->getContent();
474 sg_size_t surf_storage_get_size(surf_resource_t resource){
475 return static_cast<Storage*>(surf_storage_resource_priv(resource))->getSize();
478 sg_size_t surf_storage_get_free_size(surf_resource_t resource){
479 return static_cast<Storage*>(surf_storage_resource_priv(resource))->getFreeSize();
482 sg_size_t surf_storage_get_used_size(surf_resource_t resource){
483 return static_cast<Storage*>(surf_storage_resource_priv(resource))->getUsedSize();
486 const char* surf_storage_get_host(surf_resource_t resource){
487 return static_cast<Storage*>(surf_storage_resource_priv(resource))->p_attach;
490 surf_action_t surf_cpu_execute(surf_resource_t cpu, double size){
491 return sg_host_surfcpu(cpu)->execute(size);
494 surf_action_t surf_cpu_sleep(surf_resource_t cpu, double duration){
495 return sg_host_surfcpu(cpu)->sleep(duration);
498 double surf_action_get_start_time(surf_action_t action){
499 return action->getStartTime();
502 double surf_action_get_finish_time(surf_action_t action){
503 return action->getFinishTime();
506 double surf_action_get_remains(surf_action_t action){
507 return action->getRemains();
510 void surf_action_unref(surf_action_t action){
514 void surf_action_suspend(surf_action_t action){
518 void surf_action_resume(surf_action_t action){
522 void surf_action_cancel(surf_action_t action){
526 void surf_action_set_priority(surf_action_t action, double priority){
527 action->setPriority(priority);
530 void surf_action_set_category(surf_action_t action, const char *category){
531 action->setCategory(category);
534 void *surf_action_get_data(surf_action_t action){
535 return action->getData();
538 void surf_action_set_data(surf_action_t action, void *data){
539 action->setData(data);
542 e_surf_action_state_t surf_action_get_state(surf_action_t action){
543 return action->getState();
546 double surf_action_get_cost(surf_action_t action){
547 return action->getCost();
550 void surf_cpu_action_set_affinity(surf_action_t action, surf_resource_t cpu, unsigned long mask) {
551 static_cast<CpuAction*>(action)->setAffinity(sg_host_surfcpu(cpu), mask);
554 void surf_cpu_action_set_bound(surf_action_t action, double bound) {
555 static_cast<CpuAction*>(action)->setBound(bound);
558 #ifdef HAVE_LATENCY_BOUND_TRACKING
559 double surf_network_action_get_latency_limited(surf_action_t action) {
560 return static_cast<NetworkActionPtr>(action)->getLatencyLimited();
564 surf_file_t surf_storage_action_get_file(surf_action_t action){
565 return static_cast<StorageAction*>(action)->p_file;