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(surf_resource_t resource){
22 return static_cast<simgrid::surf::Host*>(surf_host_resource_priv(resource));
25 static simgrid::surf::VirtualMachine *get_casted_vm(surf_resource_t resource){
26 return static_cast<simgrid::surf::VirtualMachine*>(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 simgrid::surf::Resource *resource = NULL;
37 simgrid::surf::Model *model = 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(all_existing_models, 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 simgrid::surf::Resource *resource = NULL;
65 simgrid::surf::Model *model = 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 /* Physical models MUST be resolved first */
77 XBT_DEBUG("Looking for next event in physical models");
78 double next_event_phy = surf_host_model->shareResources(NOW);
79 if ((surf_min < 0.0 || next_event_phy < surf_min) && next_event_phy >= 0.0) {
80 surf_min = next_event_phy;
82 if (surf_vm_model != NULL) {
83 XBT_DEBUG("Looking for next event in virtual models");
84 double next_event_virt = surf_vm_model->shareResources(NOW);
85 if ((surf_min < 0.0 || next_event_virt < surf_min) && next_event_virt >= 0.0)
86 surf_min = next_event_virt;
89 XBT_DEBUG("Min for resources (remember that NS3 don't update that value) : %f", surf_min);
91 XBT_DEBUG("Looking for next trace event");
94 XBT_DEBUG("Next TRACE event : %f", next_event_date);
96 next_event_date = tmgr_history_next_date(history);
98 if(! surf_network_model->shareResourcesIsIdempotent()){ // NS3, I see you
99 if(next_event_date!=-1.0 && surf_min!=-1.0) {
100 surf_min = MIN(next_event_date - NOW, surf_min);
102 surf_min = MAX(next_event_date - NOW, surf_min);
105 XBT_DEBUG("Run for network at most %f", surf_min);
106 // run until min or next flow
107 model_next_action_end = surf_network_model->shareResources(surf_min);
109 XBT_DEBUG("Min for network : %f", model_next_action_end);
110 if(model_next_action_end>=0.0)
111 surf_min = model_next_action_end;
114 if (next_event_date < 0.0) {
115 XBT_DEBUG("no next TRACE event. Stop searching for it");
119 if ((surf_min == -1.0) || (next_event_date > NOW + surf_min)) break;
121 XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", surf_min, NOW, next_event_date);
123 tmgr_history_get_next_event_leq(history, next_event_date,
125 (void **) &resource))) {
126 if (resource->isUsed() || xbt_dict_get_or_null(watched_hosts_lib, resource->getName())) {
127 surf_min = next_event_date - NOW;
129 ("This event will modify model state. Next event set to %f",
132 /* update state of model_obj according to new value. Does not touch lmm.
133 It will be modified if needed when updating actions */
134 XBT_DEBUG("Calling update_resource_state for resource %s with min %f",
135 resource->getName(), surf_min);
136 resource->updateState(event, value, next_event_date);
140 /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
141 * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
142 * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
143 if (surf_min == -1.0) {
144 XBT_DEBUG("No next event at all. Bail out now.");
148 XBT_DEBUG("Duration set to %f", surf_min);
150 NOW = NOW + surf_min;
151 /* FIXME: model_list or model_list_invoke? revisit here later */
152 /* sequential version */
153 xbt_dynar_foreach(all_existing_models, iter, model) {
154 model->updateActionsState(NOW, surf_min);
157 TRACE_paje_dump_buffer (0);
162 void routing_get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst,
163 xbt_dynar_t * route, double *latency){
164 routing_platf->getRouteAndLatency(src, dst, route, latency);
171 surf_model_t surf_resource_model(const void *host, int level) {
172 /* If level is SURF_WKS_LEVEL, ws is a host_CLM03 object. It has
173 * surf_resource at the generic_resource field. */
174 simgrid::surf::Resource *ws = static_cast<simgrid::surf::Resource*>(
175 xbt_lib_get_level((xbt_dictelm_t) host, level));
176 return ws->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 surf_resource_t src, surf_resource_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, surf_resource_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 xbt_dict_t surf_resource_get_properties(surf_cpp_resource_t resource){
247 return resource->getProperties();
250 e_surf_resource_state_t surf_resource_get_state(surf_cpp_resource_t resource){
251 return resource->getState();
254 void surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state){
255 resource->setState(state);
258 surf_action_t surf_host_sleep(surf_resource_t host, double duration){
259 return get_casted_host(host)->sleep(duration);
262 double surf_host_get_speed(surf_resource_t host, double load){
263 return sg_host_surfcpu(host)->getSpeed(load);
266 double surf_host_get_available_speed(surf_resource_t host){
267 return sg_host_surfcpu(host)->getAvailableSpeed();
270 int surf_host_get_core(surf_resource_t host){
271 return sg_host_surfcpu(host)->getCore();
274 surf_action_t surf_host_execute(surf_resource_t host, double size){
275 return get_casted_host(host)->execute(size);
278 double surf_host_get_current_power_peak(surf_resource_t host){
279 return sg_host_surfcpu(host)->getCurrentPowerPeak();
282 double surf_host_get_power_peak_at(surf_resource_t host, int pstate_index){
283 return sg_host_surfcpu(host)->getPowerPeakAt(pstate_index);
286 int surf_host_get_nb_pstates(surf_resource_t host){
287 return sg_host_surfcpu(host)->getNbPstates();
290 void surf_host_set_pstate(surf_resource_t host, int pstate_index){
291 sg_host_surfcpu(host)->setPstate(pstate_index);
293 int surf_host_get_pstate(surf_resource_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(surf_resource_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(surf_resource_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(surf_resource_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(surf_resource_t host){
318 return get_casted_host(host)->getMountedStorageList();
321 xbt_dynar_t surf_host_get_attached_storage_list(surf_resource_t host){
322 return get_casted_host(host)->getAttachedStorageList();
325 surf_action_t surf_host_open(surf_resource_t host, const char* fullpath){
326 return get_casted_host(host)->open(fullpath);
329 surf_action_t surf_host_close(surf_resource_t host, surf_file_t fd){
330 return get_casted_host(host)->close(fd);
333 int surf_host_unlink(surf_resource_t host, surf_file_t fd){
334 return get_casted_host(host)->unlink(fd);
337 size_t surf_host_get_size(surf_resource_t host, surf_file_t fd){
338 return get_casted_host(host)->getSize(fd);
341 surf_action_t surf_host_read(surf_resource_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(surf_resource_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(surf_resource_t host, surf_file_t fd){
350 return get_casted_host(host)->getInfo(fd);
353 size_t surf_host_file_tell(surf_resource_t host, surf_file_t fd){
354 return get_casted_host(host)->fileTell(fd);
357 int surf_host_file_seek(surf_resource_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(surf_resource_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(surf_resource_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 sg_host_t vm_ = xbt_lib_get_elm_or_null(host_lib, vm->getName());
373 xbt_dynar_push(vms_, &vm_);
375 xbt_dynar_free(&vms);
379 void surf_host_get_params(surf_resource_t host, vm_params_t params){
380 get_casted_host(host)->getParams(params);
383 void surf_host_set_params(surf_resource_t host, vm_params_t params){
384 get_casted_host(host)->setParams(params);
387 void surf_vm_destroy(surf_resource_t resource){
388 /* Before clearing the entries in host_lib, we have to pick up resources. */
389 simgrid::surf::VirtualMachine *vm = get_casted_vm(resource);
390 char* name = xbt_dict_get_elm_key(resource);
391 /* We deregister objects from host_lib, without invoking the freeing callback
394 * Do not call xbt_lib_remove() here. It deletes all levels of the key,
395 * including MSG_HOST_LEVEL and others. We should unregister only what we know.
397 sg_host_surfcpu_destroy((sg_host_t)resource);
398 sg_host_edge_destroy((sg_host_t)resource,1);
399 xbt_lib_unset(host_lib, name, SURF_HOST_LEVEL, 0);
401 /* TODO: comment out when VM storage is implemented. */
402 // xbt_lib_unset(host_lib, name, SURF_STORAGE_LEVEL, 0);
407 void surf_vm_suspend(surf_resource_t vm){
408 get_casted_vm(vm)->suspend();
411 void surf_vm_resume(surf_resource_t vm){
412 get_casted_vm(vm)->resume();
415 void surf_vm_save(surf_resource_t vm){
416 get_casted_vm(vm)->save();
419 void surf_vm_restore(surf_resource_t vm){
420 get_casted_vm(vm)->restore();
423 void surf_vm_migrate(surf_resource_t vm, surf_resource_t ind_vm_ws_dest){
424 get_casted_vm(vm)->migrate(ind_vm_ws_dest);
427 surf_resource_t surf_vm_get_pm(surf_resource_t vm){
428 return get_casted_vm(vm)->getPm();
431 void surf_vm_set_bound(surf_resource_t vm, double bound){
432 return get_casted_vm(vm)->setBound(bound);
435 void surf_vm_set_affinity(surf_resource_t vm, surf_resource_t cpu, unsigned long mask){
436 return get_casted_vm(vm)->setAffinity(sg_host_surfcpu(cpu), mask);
439 xbt_dict_t surf_storage_get_content(surf_resource_t resource){
440 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getContent();
443 sg_size_t surf_storage_get_size(surf_resource_t resource){
444 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getSize();
447 sg_size_t surf_storage_get_free_size(surf_resource_t resource){
448 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getFreeSize();
451 sg_size_t surf_storage_get_used_size(surf_resource_t resource){
452 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getUsedSize();
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(surf_resource_t cpu, double size){
460 return sg_host_surfcpu(cpu)->execute(size);
463 surf_action_t surf_cpu_sleep(surf_resource_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, surf_resource_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;