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){ //FIXME: killme
22 return host->extension<simgrid::surf::Host>();
25 static simgrid::surf::VirtualMachine *get_casted_vm(sg_host_t host){
26 return static_cast<simgrid::surf::VirtualMachine*>(host->extension<simgrid::surf::Host>());
31 void surf_presolve(void)
33 double next_event_date = -1.0;
34 tmgr_trace_iterator_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 = future_evt_set->next_date()) != -1.0) {
42 if (next_event_date > NOW)
45 while ((event = future_evt_set->pop_leq(next_event_date, &value, &resource))) {
47 resource->updateState(event, value);
52 XBT_DEBUG ("Set every models in the right state by updating them to 0.");
53 xbt_dynar_foreach(all_existing_models, iter, model)
54 model->updateActionsState(NOW, 0.0);
57 double surf_solve(double max_date)
59 double surf_min = -1.0; /* duration */
60 double next_event_date = -1.0;
61 double model_next_action_end = -1.0;
63 simgrid::surf::Resource *resource = NULL;
64 simgrid::surf::Model *model = NULL;
65 tmgr_trace_iterator_t event = NULL;
68 if(!host_that_restart)
69 host_that_restart = xbt_dynar_new(sizeof(char*), NULL);
71 if (max_date > 0.0 && max_date != NOW) {
72 surf_min = max_date - NOW;
75 /* Physical models MUST be resolved first */
76 XBT_DEBUG("Looking for next event in physical models");
77 double next_event_phy = surf_host_model->shareResources(NOW);
78 if ((surf_min < 0.0 || next_event_phy < surf_min) && next_event_phy >= 0.0) {
79 surf_min = next_event_phy;
81 if (surf_vm_model != NULL) {
82 XBT_DEBUG("Looking for next event in virtual models");
83 double next_event_virt = surf_vm_model->shareResources(NOW);
84 if ((surf_min < 0.0 || next_event_virt < surf_min) && next_event_virt >= 0.0)
85 surf_min = next_event_virt;
88 XBT_DEBUG("Min for resources (remember that NS3 don't update that value): %f", surf_min);
90 XBT_DEBUG("Looking for next trace event");
92 while (1) { // Handle next occurring events until none remains
93 next_event_date = future_evt_set->next_date();
94 XBT_DEBUG("Next TRACE event: %f", next_event_date);
96 if(! surf_network_model->shareResourcesIsIdempotent()){ // NS3, I see you
97 if (next_event_date!=-1.0 && surf_min!=-1.0) {
98 surf_min = MIN(next_event_date - NOW, surf_min);
100 surf_min = MAX(next_event_date - NOW, surf_min); // Get the positive component
103 XBT_DEBUG("Run the NS3 network at most %fs", surf_min);
104 // run until min or next flow
105 model_next_action_end = surf_network_model->shareResources(surf_min);
107 XBT_DEBUG("Min for network : %f", model_next_action_end);
108 if(model_next_action_end>=0.0)
109 surf_min = model_next_action_end;
112 if (next_event_date < 0.0) {
113 XBT_DEBUG("no next TRACE event. Stop searching for it");
117 if ((surf_min == -1.0) || (next_event_date > NOW + surf_min))
118 break; // next event occurs after the next resource change, bail out
120 XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", surf_min, NOW, next_event_date);
122 while ((event = future_evt_set->pop_leq(next_event_date, &value, &resource))) {
123 if (resource->isUsed() || xbt_dict_get_or_null(watched_hosts_lib, resource->getName())) {
124 surf_min = next_event_date - NOW;
125 XBT_DEBUG("This event will modify model state. Next event set to %f", surf_min);
127 // FIXME: I'm too lame to update NOW live, so I change it and restore it so that the real update with surf_min will work
128 double round_start = NOW;
129 NOW = next_event_date;
130 /* update state of the corresponding resource to the new value. Does not touch lmm.
131 It will be modified if needed when updating actions */
132 XBT_DEBUG("Calling update_resource_state for resource %s", resource->getName());
133 resource->updateState(event, value);
138 /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
139 * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
140 * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
141 if (surf_min == -1.0) {
142 XBT_DEBUG("No next event at all. Bail out now.");
146 XBT_DEBUG("Duration set to %f", surf_min);
148 // Bump the time: jump into the future
149 NOW = NOW + surf_min;
151 // Inform the models of the date change
152 xbt_dynar_foreach(all_existing_models, iter, model) {
153 model->updateActionsState(NOW, surf_min);
156 TRACE_paje_dump_buffer (0);
165 surf_action_t surf_model_extract_done_action_set(surf_model_t model){
166 if (model->getDoneActionSet()->empty())
168 surf_action_t res = &model->getDoneActionSet()->front();
169 model->getDoneActionSet()->pop_front();
173 surf_action_t surf_model_extract_failed_action_set(surf_model_t model){
174 if (model->getFailedActionSet()->empty())
176 surf_action_t res = &model->getFailedActionSet()->front();
177 model->getFailedActionSet()->pop_front();
181 int surf_model_running_action_set_size(surf_model_t model){
182 return model->getRunningActionSet()->size();
185 xbt_dynar_t surf_host_model_get_route(surf_host_model_t /*model*/,
186 sg_host_t src, sg_host_t dst){
187 xbt_dynar_t route = NULL;
188 routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, &route, NULL);
192 void surf_vm_model_create(const char *name, sg_host_t ind_phys_host){
193 surf_vm_model->createVM(name, ind_phys_host);
196 surf_action_t surf_network_model_communicate(surf_network_model_t model, sg_host_t src, sg_host_t dst, double size, double rate){
197 return model->communicate(src->pimpl_netcard, dst->pimpl_netcard, size, rate);
200 const char *surf_resource_name(surf_cpp_resource_t resource){
201 return resource->getName();
204 surf_action_t surf_host_sleep(sg_host_t host, double duration){
205 return host->pimpl_cpu->sleep(duration);
209 double surf_host_get_available_speed(sg_host_t host){
210 return host->pimpl_cpu->getAvailableSpeed();
213 xbt_dynar_t surf_host_get_attached_storage_list(sg_host_t host){
214 return get_casted_host(host)->getAttachedStorageList();
217 surf_action_t surf_host_open(sg_host_t host, const char* fullpath){
218 return get_casted_host(host)->open(fullpath);
221 surf_action_t surf_host_close(sg_host_t host, surf_file_t fd){
222 return get_casted_host(host)->close(fd);
225 int surf_host_unlink(sg_host_t host, surf_file_t fd){
226 return get_casted_host(host)->unlink(fd);
229 size_t surf_host_get_size(sg_host_t host, surf_file_t fd){
230 return get_casted_host(host)->getSize(fd);
233 surf_action_t surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size){
234 return get_casted_host(host)->read(fd, size);
237 surf_action_t surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size){
238 return get_casted_host(host)->write(fd, size);
241 xbt_dynar_t surf_host_get_info(sg_host_t host, surf_file_t fd){
242 return get_casted_host(host)->getInfo(fd);
245 size_t surf_host_file_tell(sg_host_t host, surf_file_t fd){
246 return get_casted_host(host)->fileTell(fd);
249 int surf_host_file_seek(sg_host_t host, surf_file_t fd,
250 sg_offset_t offset, int origin){
251 return get_casted_host(host)->fileSeek(fd, offset, origin);
254 int surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath){
255 return get_casted_host(host)->fileMove(fd, fullpath);
258 xbt_dynar_t surf_host_get_vms(sg_host_t host){
259 xbt_dynar_t vms = get_casted_host(host)->getVms();
260 xbt_dynar_t vms_ = xbt_dynar_new(sizeof(sg_host_t), NULL);
262 simgrid::surf::VirtualMachine *vm;
263 xbt_dynar_foreach(vms, cpt, vm) {
264 // TODO, use a backlink from simgrid::surf::Host to simgrid::s4u::Host
265 sg_host_t vm_ = (sg_host_t) xbt_dict_get_elm_or_null(host_list, vm->getName());
266 xbt_dynar_push(vms_, &vm_);
268 xbt_dynar_free(&vms);
272 void surf_host_get_params(sg_host_t host, vm_params_t params){
273 get_casted_host(host)->getParams(params);
276 void surf_host_set_params(sg_host_t host, vm_params_t params){
277 get_casted_host(host)->setParams(params);
280 void surf_vm_destroy(sg_host_t vm){ // FIXME:DEADCODE
281 vm->pimpl_cpu = nullptr;
282 vm->pimpl_netcard = nullptr;
285 void surf_vm_suspend(sg_host_t vm){
286 get_casted_vm(vm)->suspend();
289 void surf_vm_resume(sg_host_t vm){
290 get_casted_vm(vm)->resume();
293 void surf_vm_save(sg_host_t vm){
294 get_casted_vm(vm)->save();
297 void surf_vm_restore(sg_host_t vm){
298 get_casted_vm(vm)->restore();
301 void surf_vm_migrate(sg_host_t vm, sg_host_t ind_vm_ws_dest){
302 get_casted_vm(vm)->migrate(ind_vm_ws_dest);
305 sg_host_t surf_vm_get_pm(sg_host_t vm){
306 return get_casted_vm(vm)->getPm();
309 void surf_vm_set_bound(sg_host_t vm, double bound){
310 return get_casted_vm(vm)->setBound(bound);
313 void surf_vm_set_affinity(sg_host_t vm, sg_host_t host, unsigned long mask){
314 return get_casted_vm(vm)->setAffinity(host->pimpl_cpu, mask);
317 xbt_dict_t surf_storage_get_content(surf_resource_t resource){
318 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getContent();
321 sg_size_t surf_storage_get_size(surf_resource_t resource){
322 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getSize();
325 sg_size_t surf_storage_get_free_size(surf_resource_t resource){
326 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getFreeSize();
329 sg_size_t surf_storage_get_used_size(surf_resource_t resource){
330 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getUsedSize();
333 xbt_dict_t surf_storage_get_properties(surf_resource_t resource){
334 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getProperties();
337 const char* surf_storage_get_host(surf_resource_t resource){
338 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->p_attach;
341 double surf_action_get_start_time(surf_action_t action){
342 return action->getStartTime();
345 double surf_action_get_finish_time(surf_action_t action){
346 return action->getFinishTime();
349 double surf_action_get_remains(surf_action_t action){
350 return action->getRemains();
353 void surf_action_set_category(surf_action_t action, const char *category){
354 action->setCategory(category);
357 void *surf_action_get_data(surf_action_t action){
358 return action->getData();
361 void surf_action_set_data(surf_action_t action, void *data){
362 action->setData(data);
365 e_surf_action_state_t surf_action_get_state(surf_action_t action){
366 return action->getState();
369 double surf_action_get_cost(surf_action_t action){
370 return action->getCost();
373 void surf_cpu_action_set_affinity(surf_action_t action, sg_host_t host, unsigned long mask) {
374 static_cast<simgrid::surf::CpuAction*>(action)->setAffinity(host->pimpl_cpu, mask);
377 void surf_cpu_action_set_bound(surf_action_t action, double bound) {
378 static_cast<simgrid::surf::CpuAction*>(action)->setBound(bound);
381 #ifdef HAVE_LATENCY_BOUND_TRACKING
382 double surf_network_action_get_latency_limited(surf_action_t action) {
383 return static_cast<simgrid::surf::NetworkAction*>(action)->getLatencyLimited();
387 surf_file_t surf_storage_action_get_file(surf_action_t action){
388 return static_cast<simgrid::surf::StorageAction*>(action)->p_file;