2 #include "workstation.hpp"
4 #include "instr/instr_private.h"
6 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_kernel);
13 char *surf_routing_edge_name(sg_routing_edge_t edge){
17 #ifdef CONTEXT_THREADS
18 static xbt_parmap_t surf_parmap = NULL; /* parallel map on models */
21 static double *surf_mins = NULL; /* return value of share_resources for each model */
22 static int surf_min_index; /* current index in surf_mins */
23 static double surf_min; /* duration determined by surf_solve */
25 void surf_presolve(void)
27 double next_event_date = -1.0;
28 tmgr_trace_event_t event = NULL;
30 surf_resource_t resource = NULL;
31 surf_model_t model = NULL;
35 ("First Run! Let's \"purge\" events and put models in the right state");
36 while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
37 if (next_event_date > NOW)
40 tmgr_history_get_next_event_leq(history, next_event_date,
42 (void **) &resource))) {
44 resource->updateState(event, value, NOW);
48 xbt_dynar_foreach(model_list, iter, model)
49 model->updateActionsState(NOW, 0.0);
52 static void surf_share_resources(surf_model_t model)
54 double next_action_end = -1.0;
55 int i = __sync_fetch_and_add(&surf_min_index, 1);
56 if (strcmp(model->m_name.c_str(), "network NS3")) {
57 XBT_DEBUG("Running for Resource [%s]", model->m_name.c_str());
58 next_action_end = model->shareResources(NOW);
59 XBT_DEBUG("Resource [%s] : next action end = %f",
60 model->m_name.c_str(), next_action_end);
62 surf_mins[i] = next_action_end;
65 static void surf_update_actions_state(surf_model_t model)
67 model->updateActionsState(NOW, surf_min);
70 double surf_solve(double max_date)
72 surf_min = -1.0; /* duration */
73 double next_event_date = -1.0;
74 double model_next_action_end = -1.0;
76 surf_resource_t resource = NULL;
77 surf_model_t model = NULL;
78 tmgr_trace_event_t event = NULL;
81 if (max_date != -1.0 && max_date != NOW) {
82 surf_min = max_date - NOW;
85 XBT_DEBUG("Looking for next action end for all models except NS3");
87 if (surf_mins == NULL) {
88 surf_mins = xbt_new(double, xbt_dynar_length(model_list));
92 /* sequential version */
93 xbt_dynar_foreach(model_list, iter, model) {
94 surf_share_resources(static_cast<ModelPtr>(model));
98 for (i = 0; i < xbt_dynar_length(model_list); i++) {
99 if ((surf_min < 0.0 || surf_mins[i] < surf_min)
100 && surf_mins[i] >= 0.0) {
101 surf_min = surf_mins[i];
105 XBT_DEBUG("Min for resources (remember that NS3 don't update that value) : %f", surf_min);
107 XBT_DEBUG("Looking for next trace event");
110 XBT_DEBUG("Next TRACE event : %f", next_event_date);
112 next_event_date = tmgr_history_next_date(history);
114 if(!strcmp(surf_network_model->m_name.c_str(), "network NS3")){//FIXME: add surf_network_model->m_name &&
115 if(next_event_date!=-1.0 && surf_min!=-1.0) {
116 surf_min = MIN(next_event_date - NOW, surf_min);
118 surf_min = MAX(next_event_date - NOW, surf_min);
121 XBT_DEBUG("Run for network at most %f", surf_min);
122 // run until min or next flow
123 model_next_action_end = surf_network_model->shareResources(surf_min);
125 XBT_DEBUG("Min for network : %f", model_next_action_end);
126 if(model_next_action_end>=0.0)
127 surf_min = model_next_action_end;
130 if (next_event_date < 0.0) {
131 XBT_DEBUG("no next TRACE event. Stop searching for it");
135 if ((surf_min == -1.0) || (next_event_date > NOW + surf_min)) break;
137 XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", surf_min, NOW, next_event_date);
139 tmgr_history_get_next_event_leq(history, next_event_date,
141 (void **) &resource))) {
142 if (resource->isUsed()) {
143 surf_min = next_event_date - NOW;
145 ("This event will modify model state. Next event set to %f",
148 /* update state of model_obj according to new value. Does not touch lmm.
149 It will be modified if needed when updating actions */
150 XBT_DEBUG("Calling update_resource_state for resource %s with min %lf",
151 resource->p_model->m_name.c_str(), surf_min);
152 resource->updateState(event, value, next_event_date);
156 /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
157 * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
158 * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
159 if (surf_min == -1.0) {
160 XBT_DEBUG("No next event at all. Bail out now.");
164 XBT_DEBUG("Duration set to %f", surf_min);
166 NOW = NOW + surf_min;
168 /* sequential version */
169 xbt_dynar_foreach(model_list, iter, model) {
170 surf_update_actions_state(model);
174 TRACE_paje_dump_buffer (0);
180 XBT_INLINE double surf_get_clock(void)
185 void routing_get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst,
186 xbt_dynar_t * route, double *latency){
187 routing_platf->getRouteAndLatency(src, dst, route, latency);
194 const char *surf_model_name(surf_model_t model){
195 return model->m_name.c_str();
198 xbt_swag_t surf_model_done_action_set(surf_model_t model){
199 return model->p_doneActionSet;
202 xbt_swag_t surf_model_failed_action_set(surf_model_t model){
203 return model->p_failedActionSet;
206 xbt_swag_t surf_model_ready_action_set(surf_model_t model){
207 return model->p_readyActionSet;
210 xbt_swag_t surf_model_running_action_set(surf_model_t model){
211 return model->p_runningActionSet;
214 surf_action_t surf_workstation_model_execute_parallel_task(surf_workstation_model_t model,
216 void **workstation_list,
217 double *computation_amount,
218 double *communication_amount,
220 return model->executeParallelTask(workstation_nb, workstation_list, computation_amount, communication_amount, rate);
223 surf_action_t surf_workstation_model_communicate(surf_workstation_model_t model, surf_workstation_CLM03_t src, surf_workstation_CLM03_t dst, double size, double rate){
224 model->communicate(src, dst, size, rate);
227 xbt_dynar_t surf_workstation_model_get_route(surf_workstation_model_t model,
228 surf_workstation_t src, surf_workstation_t dst){
229 return model->getRoute((WorkstationCLM03Ptr)surf_workstation_resource_priv(src),(WorkstationCLM03Ptr)surf_workstation_resource_priv(dst));
232 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){
233 model->communicate(src, dst, size, rate);
236 const char *surf_resource_name(surf_resource_t resource){
237 return resource->m_name;
240 xbt_dict_t surf_resource_get_properties(surf_resource_t resource){
241 return resource->m_properties;
244 e_surf_resource_state_t surf_resource_get_state(surf_resource_t resource){
245 return resource->getState();
248 surf_action_t surf_workstation_sleep(surf_workstation_t resource, double duration){
249 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->sleep(duration);
252 double surf_workstation_get_speed(surf_workstation_t resource, double load){
253 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->getSpeed(load);
256 double surf_workstation_get_available_speed(surf_workstation_t resource){
257 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->getAvailableSpeed();
260 int surf_workstation_get_core(surf_workstation_t resource){
261 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->getCore();
264 surf_action_t surf_workstation_execute(surf_workstation_t resource, double size){
265 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->execute(size);
268 surf_action_t surf_workstation_communicate(surf_workstation_t workstation_src, surf_workstation_t workstation_dst, double size, double rate){
269 return surf_workstation_model->communicate((surf_workstation_CLM03_t)surf_workstation_resource_priv(workstation_src),(surf_workstation_CLM03_t)surf_workstation_resource_priv(workstation_dst), size, rate);
272 surf_action_t surf_workstation_open(surf_workstation_t workstation, const char* mount, const char* path){
273 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(workstation))->open(mount, path);
276 surf_action_t surf_workstation_close(surf_workstation_t workstation, surf_file_t fd){
277 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(workstation))->close(fd);
280 int surf_workstation_unlink(surf_workstation_t workstation, surf_file_t fd){
281 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(workstation))->unlink(fd);
284 surf_action_t surf_workstation_ls(surf_workstation_t workstation, const char* mount, const char *path){
285 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(workstation))->ls(mount, path);
288 size_t surf_workstation_get_size(surf_workstation_t workstation, surf_file_t fd){
289 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(workstation))->getSize(fd);
292 surf_action_t surf_workstation_read(surf_workstation_t resource, void *ptr, size_t size, surf_file_t fd){
293 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->read(ptr, size, fd);
296 surf_action_t surf_workstation_write(surf_workstation_t resource, const void *ptr, size_t size, surf_file_t fd){
297 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->write(ptr, size, fd);
300 int surf_network_link_is_shared(surf_network_link_t link){
301 return link->isShared();
304 double surf_network_link_get_bandwidth(surf_network_link_t link){
305 return link->getBandwidth();
308 double surf_network_link_get_latency(surf_network_link_t link){
309 return link->getLatency();
312 const char *surf_cpu_name(surf_cpu_t resource){
313 return resource->m_name;
316 surf_action_t surf_cpu_execute(surf_cpu_t cpu, double size){
317 return cpu->execute(size);
320 surf_action_t surf_cpu_sleep(surf_cpu_t cpu, double duration){
321 return cpu->sleep(duration);
324 double surf_action_get_start_time(surf_action_t action){
325 return action->m_start;
328 double surf_action_get_finish_time(surf_action_t action){
329 return action->m_finish;
332 double surf_action_get_remains(surf_action_t action){
333 return action->m_remains;
336 void surf_action_unref(surf_action_t action){
340 void surf_action_suspend(surf_action_t action){
344 void surf_action_resume(surf_action_t action){
348 void surf_action_cancel(surf_action_t action){
352 void surf_action_set_priority(surf_action_t action, double priority){
353 action->setPriority(priority);
356 void surf_action_set_category(surf_action_t action, const char *category){
357 action->setCategory(category);
360 void *surf_action_get_data(surf_action_t action){
361 return action->p_data;
364 void surf_action_set_data(surf_action_t action, void *data){
365 action->p_data = data;
368 e_surf_action_state_t surf_action_get_state(surf_action_t action){
369 return action->getState();
372 int surf_action_get_cost(surf_action_t action){
373 return action->m_cost;
376 surf_file_t surf_storage_action_get_file(surf_storage_action_lmm_t action){
377 return action->p_file;
380 xbt_dict_t surf_storage_action_get_ls_dict(surf_storage_action_lmm_t action){
381 return action->p_lsDict;