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 "src/instr/instr_private.h"
12 #include "plugins/energy.hpp"
13 #include "virtual_machine.hpp"
15 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_kernel);
21 static simgrid::surf::Host *get_casted_host(sg_host_t host){
22 return static_cast<simgrid::surf::Host*>(surf_host_resource_priv(host));
25 static simgrid::surf::VirtualMachine *get_casted_vm(sg_host_t host){
26 return static_cast<simgrid::surf::VirtualMachine*>(surf_host_resource_priv(host));
31 void surf_presolve(void)
33 double next_event_date = -1.0;
34 tmgr_trace_event_t event = NULL;
36 simgrid::surf::Resource *resource = NULL;
37 simgrid::surf::Model *model = NULL;
40 XBT_DEBUG ("Consume all trace events occurring before the starting time.");
41 while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
42 if (next_event_date > NOW)
45 tmgr_history_get_next_event_leq(history, next_event_date,
47 (void **) &resource))) {
49 resource->updateState(event, value, NOW);
54 XBT_DEBUG ("Set every models in the right state by updating them to 0.");
55 xbt_dynar_foreach(all_existing_models, iter, model)
56 model->updateActionsState(NOW, 0.0);
59 double surf_solve(double max_date)
61 double surf_min = -1.0; /* duration */
62 double next_event_date = -1.0;
63 double model_next_action_end = -1.0;
65 simgrid::surf::Resource *resource = NULL;
66 simgrid::surf::Model *model = NULL;
67 tmgr_trace_event_t event = NULL;
70 if(!host_that_restart)
71 host_that_restart = xbt_dynar_new(sizeof(char*), NULL);
73 if (max_date != -1.0 && max_date != NOW) {
74 surf_min = max_date - NOW;
77 /* Physical models MUST be resolved first */
78 XBT_DEBUG("Looking for next event in physical models");
79 double next_event_phy = surf_host_model->shareResources(NOW);
80 if ((surf_min < 0.0 || next_event_phy < surf_min) && next_event_phy >= 0.0) {
81 surf_min = next_event_phy;
83 if (surf_vm_model != NULL) {
84 XBT_DEBUG("Looking for next event in virtual models");
85 double next_event_virt = surf_vm_model->shareResources(NOW);
86 if ((surf_min < 0.0 || next_event_virt < surf_min) && next_event_virt >= 0.0)
87 surf_min = next_event_virt;
90 XBT_DEBUG("Min for resources (remember that NS3 don't update that value) : %f", surf_min);
92 XBT_DEBUG("Looking for next trace event");
95 XBT_DEBUG("Next TRACE event : %f", next_event_date);
97 next_event_date = tmgr_history_next_date(history);
99 if(! surf_network_model->shareResourcesIsIdempotent()){ // NS3, I see you
100 if(next_event_date!=-1.0 && surf_min!=-1.0) {
101 surf_min = MIN(next_event_date - NOW, surf_min);
103 surf_min = MAX(next_event_date - NOW, surf_min);
106 XBT_DEBUG("Run for network at most %f", surf_min);
107 // run until min or next flow
108 model_next_action_end = surf_network_model->shareResources(surf_min);
110 XBT_DEBUG("Min for network : %f", model_next_action_end);
111 if(model_next_action_end>=0.0)
112 surf_min = model_next_action_end;
115 if (next_event_date < 0.0) {
116 XBT_DEBUG("no next TRACE event. Stop searching for it");
120 if ((surf_min == -1.0) || (next_event_date > NOW + surf_min)) break;
122 XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", surf_min, NOW, next_event_date);
124 tmgr_history_get_next_event_leq(history, next_event_date,
126 (void **) &resource))) {
127 if (resource->isUsed() || xbt_dict_get_or_null(watched_hosts_lib, resource->getName())) {
128 surf_min = next_event_date - NOW;
130 ("This event will modify model state. Next event set to %f",
133 /* update state of model_obj according to new value. Does not touch lmm.
134 It will be modified if needed when updating actions */
135 XBT_DEBUG("Calling update_resource_state for resource %s with min %f",
136 resource->getName(), surf_min);
137 resource->updateState(event, value, next_event_date);
141 /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
142 * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
143 * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
144 if (surf_min == -1.0) {
145 XBT_DEBUG("No next event at all. Bail out now.");
149 XBT_DEBUG("Duration set to %f", surf_min);
151 NOW = NOW + surf_min;
152 /* FIXME: model_list or model_list_invoke? revisit here later */
153 /* sequential version */
154 xbt_dynar_foreach(all_existing_models, iter, model) {
155 model->updateActionsState(NOW, surf_min);
158 TRACE_paje_dump_buffer (0);
163 void routing_get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst,
164 xbt_dynar_t * route, double *latency){
165 routing_platf->getRouteAndLatency(src, dst, route, latency);
172 surf_host_model_t surf_host_get_model(sg_host_t host)
174 simgrid::surf::Host* surf_host =
175 (simgrid::surf::Host*) host->extension<simgrid::surf::Host>();
176 return (surf_host_model_t) surf_host->getModel();
179 surf_action_t surf_model_extract_done_action_set(surf_model_t model){
180 if (model->getDoneActionSet()->empty())
182 surf_action_t res = &model->getDoneActionSet()->front();
183 model->getDoneActionSet()->pop_front();
187 surf_action_t surf_model_extract_failed_action_set(surf_model_t model){
188 if (model->getFailedActionSet()->empty())
190 surf_action_t res = &model->getFailedActionSet()->front();
191 model->getFailedActionSet()->pop_front();
195 surf_action_t surf_model_extract_ready_action_set(surf_model_t model){
196 if (model->getReadyActionSet()->empty())
198 surf_action_t res = &model->getReadyActionSet()->front();
199 model->getReadyActionSet()->pop_front();
203 surf_action_t surf_model_extract_running_action_set(surf_model_t model){
204 if (model->getRunningActionSet()->empty())
206 surf_action_t res = &model->getRunningActionSet()->front();
207 model->getRunningActionSet()->pop_front();
211 int surf_model_running_action_set_size(surf_model_t model){
212 return model->getRunningActionSet()->size();
215 surf_action_t surf_host_model_execute_parallel_task(surf_host_model_t model,
217 sg_host_t *host_list,
218 double *flops_amount,
219 double *bytes_amount,
221 return static_cast<simgrid::surf::Action*>(
222 model->executeParallelTask(host_nb, host_list, flops_amount, bytes_amount, rate));
225 xbt_dynar_t surf_host_model_get_route(surf_host_model_t /*model*/,
226 sg_host_t src, sg_host_t dst){
227 xbt_dynar_t route = NULL;
228 routing_platf->getRouteAndLatency(
229 get_casted_host(src)->p_netElm,
230 get_casted_host(dst)->p_netElm, &route, NULL);
234 void surf_vm_model_create(const char *name, sg_host_t ind_phys_host){
235 surf_vm_model->createVM(name, ind_phys_host);
238 surf_action_t surf_network_model_communicate(surf_network_model_t model, sg_host_t src, sg_host_t dst, double size, double rate){
239 return model->communicate(sg_host_edge(src), sg_host_edge(dst), size, rate);
242 const char *surf_resource_name(surf_cpp_resource_t resource){
243 return resource->getName();
246 e_surf_resource_state_t surf_resource_get_state(surf_cpp_resource_t resource){
247 return resource->getState();
250 void surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state){
251 resource->setState(state);
254 surf_action_t surf_host_sleep(sg_host_t host, double duration){
255 return host->extension(simgrid::surf::Cpu::EXTENSION_ID)->sleep(duration);
258 xbt_dict_t sg_host_get_properties(sg_host_t host) {
259 return get_casted_host(host)->getProperties();
262 double surf_host_get_speed(sg_host_t host, double load){
263 return sg_host_surfcpu(host)->getSpeed(load);
266 double surf_host_get_available_speed(sg_host_t host){
267 return sg_host_surfcpu(host)->getAvailableSpeed();
270 int surf_host_get_core(sg_host_t host){
271 return sg_host_surfcpu(host)->getCore();
274 surf_action_t surf_host_execute(sg_host_t host, double size){
275 return host->extension(simgrid::surf::Cpu::EXTENSION_ID)->execute(size);
278 double surf_host_get_current_power_peak(sg_host_t host){
279 return sg_host_surfcpu(host)->getCurrentPowerPeak();
282 double surf_host_get_power_peak_at(sg_host_t host, int pstate_index){
283 return sg_host_surfcpu(host)->getPowerPeakAt(pstate_index);
286 int surf_host_get_nb_pstates(sg_host_t host){
287 return sg_host_surfcpu(host)->getNbPStates();
290 void surf_host_set_pstate(sg_host_t host, int pstate_index){
291 sg_host_surfcpu(host)->setPState(pstate_index);
293 int surf_host_get_pstate(sg_host_t host){
294 return sg_host_surfcpu(host)->getPState();
297 using simgrid::energy::HostEnergy;
298 using simgrid::energy::surf_energy;
300 double surf_host_get_wattmin_at(sg_host_t resource, int pstate){
301 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active. Please call sg_energy_plugin_init() during initialization.");
302 std::map<simgrid::surf::Host*, HostEnergy*>::iterator hostIt = surf_energy->find(get_casted_host(resource));
303 return hostIt->second->getWattMinAt(pstate);
305 double surf_host_get_wattmax_at(sg_host_t resource, int pstate){
306 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active. Please call sg_energy_plugin_init() during initialization.");
307 std::map<simgrid::surf::Host*, HostEnergy*>::iterator hostIt = surf_energy->find(get_casted_host(resource));
308 return hostIt->second->getWattMaxAt(pstate);
311 double surf_host_get_consumed_energy(sg_host_t resource){
312 xbt_assert(surf_energy!=NULL, "The Energy plugin is not active. Please call sg_energy_plugin_init() during initialization.");
313 std::map<simgrid::surf::Host*, HostEnergy*>::iterator hostIt = surf_energy->find(get_casted_host(resource));
314 return hostIt->second->getConsumedEnergy();
317 xbt_dict_t surf_host_get_mounted_storage_list(sg_host_t host){
318 return get_casted_host(host)->getMountedStorageList();
321 xbt_dynar_t surf_host_get_attached_storage_list(sg_host_t host){
322 return get_casted_host(host)->getAttachedStorageList();
325 surf_action_t surf_host_open(sg_host_t host, const char* fullpath){
326 return get_casted_host(host)->open(fullpath);
329 surf_action_t surf_host_close(sg_host_t host, surf_file_t fd){
330 return get_casted_host(host)->close(fd);
333 int surf_host_unlink(sg_host_t host, surf_file_t fd){
334 return get_casted_host(host)->unlink(fd);
337 size_t surf_host_get_size(sg_host_t host, surf_file_t fd){
338 return get_casted_host(host)->getSize(fd);
341 surf_action_t surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size){
342 return get_casted_host(host)->read(fd, size);
345 surf_action_t surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size){
346 return get_casted_host(host)->write(fd, size);
349 xbt_dynar_t surf_host_get_info(sg_host_t host, surf_file_t fd){
350 return get_casted_host(host)->getInfo(fd);
353 size_t surf_host_file_tell(sg_host_t host, surf_file_t fd){
354 return get_casted_host(host)->fileTell(fd);
357 int surf_host_file_seek(sg_host_t host, surf_file_t fd,
358 sg_offset_t offset, int origin){
359 return get_casted_host(host)->fileSeek(fd, offset, origin);
362 int surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath){
363 return get_casted_host(host)->fileMove(fd, fullpath);
366 xbt_dynar_t surf_host_get_vms(sg_host_t host){
367 xbt_dynar_t vms = get_casted_host(host)->getVms();
368 xbt_dynar_t vms_ = xbt_dynar_new(sizeof(sg_host_t), NULL);
370 simgrid::surf::VirtualMachine *vm;
371 xbt_dynar_foreach(vms, cpt, vm) {
372 // TODO, use a backlink from simgrid::surf::Host to simgrid::Host
373 sg_host_t vm_ = (sg_host_t) xbt_dict_get_elm_or_null(host_list, vm->getName());
374 xbt_dynar_push(vms_, &vm_);
376 xbt_dynar_free(&vms);
380 void surf_host_get_params(sg_host_t host, vm_params_t params){
381 get_casted_host(host)->getParams(params);
384 void surf_host_set_params(sg_host_t host, vm_params_t params){
385 get_casted_host(host)->setParams(params);
388 void surf_vm_destroy(sg_host_t resource){
389 /* We deregister objects from host_lib, without invoking the freeing callback
392 * Do not call xbt_lib_remove() here. It deletes all levels of the key,
393 * including MSG_HOST_LEVEL and others. We should unregister only what we know.
395 sg_host_surfcpu_destroy(resource);
396 sg_host_edge_destroy(resource,1);
397 resource->extension_set<simgrid::surf::Host>(nullptr);
399 /* TODO: comment out when VM storage is implemented. */
400 // host->extension_set(SURF_STORAGE_LEVEL, nullptr);
403 void surf_vm_suspend(sg_host_t vm){
404 get_casted_vm(vm)->suspend();
407 void surf_vm_resume(sg_host_t vm){
408 get_casted_vm(vm)->resume();
411 void surf_vm_save(sg_host_t vm){
412 get_casted_vm(vm)->save();
415 void surf_vm_restore(sg_host_t vm){
416 get_casted_vm(vm)->restore();
419 void surf_vm_migrate(sg_host_t vm, sg_host_t ind_vm_ws_dest){
420 get_casted_vm(vm)->migrate(ind_vm_ws_dest);
423 sg_host_t surf_vm_get_pm(sg_host_t vm){
424 return get_casted_vm(vm)->getPm();
427 void surf_vm_set_bound(sg_host_t vm, double bound){
428 return get_casted_vm(vm)->setBound(bound);
431 void surf_vm_set_affinity(sg_host_t vm, sg_host_t cpu, unsigned long mask){
432 return get_casted_vm(vm)->setAffinity(sg_host_surfcpu(cpu), mask);
435 xbt_dict_t surf_storage_get_content(surf_resource_t resource){
436 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getContent();
439 sg_size_t surf_storage_get_size(surf_resource_t resource){
440 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getSize();
443 sg_size_t surf_storage_get_free_size(surf_resource_t resource){
444 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getFreeSize();
447 sg_size_t surf_storage_get_used_size(surf_resource_t resource){
448 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getUsedSize();
451 xbt_dict_t surf_storage_get_properties(surf_resource_t resource){
452 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getProperties();
455 const char* surf_storage_get_host(surf_resource_t resource){
456 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->p_attach;
459 surf_action_t surf_cpu_execute(sg_host_t cpu, double size){
460 return sg_host_surfcpu(cpu)->execute(size);
463 surf_action_t surf_cpu_sleep(sg_host_t cpu, double duration){
464 return sg_host_surfcpu(cpu)->sleep(duration);
467 double surf_action_get_start_time(surf_action_t action){
468 return action->getStartTime();
471 double surf_action_get_finish_time(surf_action_t action){
472 return action->getFinishTime();
475 double surf_action_get_remains(surf_action_t action){
476 return action->getRemains();
479 void surf_action_unref(surf_action_t action){
483 void surf_action_suspend(surf_action_t action){
487 void surf_action_resume(surf_action_t action){
491 void surf_action_cancel(surf_action_t action){
495 void surf_action_set_priority(surf_action_t action, double priority){
496 action->setPriority(priority);
499 void surf_action_set_category(surf_action_t action, const char *category){
500 action->setCategory(category);
503 void *surf_action_get_data(surf_action_t action){
504 return action->getData();
507 void surf_action_set_data(surf_action_t action, void *data){
508 action->setData(data);
511 e_surf_action_state_t surf_action_get_state(surf_action_t action){
512 return action->getState();
515 double surf_action_get_cost(surf_action_t action){
516 return action->getCost();
519 void surf_cpu_action_set_affinity(surf_action_t action, sg_host_t cpu, unsigned long mask) {
520 static_cast<simgrid::surf::CpuAction*>(action)->setAffinity(sg_host_surfcpu(cpu), mask);
523 void surf_cpu_action_set_bound(surf_action_t action, double bound) {
524 static_cast<simgrid::surf::CpuAction*>(action)->setBound(bound);
527 #ifdef HAVE_LATENCY_BOUND_TRACKING
528 double surf_network_action_get_latency_limited(surf_action_t action) {
529 return static_cast<NetworkActionPtr>(action)->getLatencyLimited();
533 surf_file_t surf_storage_action_get_file(surf_action_t action){
534 return static_cast<simgrid::surf::StorageAction*>(action)->p_file;
537 surf_host_t surf_host_resource_priv(sg_host_t host) {
538 return host->extension(simgrid::surf::Host::EXTENSION_ID);