2 #include "workstation.hpp"
4 #include "instr/instr_private.h"
6 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_kernel);
13 #ifdef CONTEXT_THREADS
14 static xbt_parmap_t surf_parmap = NULL; /* parallel map on models */
17 static double *surf_mins = NULL; /* return value of share_resources for each model */
18 static int surf_min_index; /* current index in surf_mins */
19 static double surf_min; /* duration determined by surf_solve */
21 void surf_presolve(void)
23 double next_event_date = -1.0;
24 tmgr_trace_event_t event = NULL;
26 surf_resource_t resource = NULL;
27 surf_model_t model = NULL;
31 ("First Run! Let's \"purge\" events and put models in the right state");
32 while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
33 if (next_event_date > NOW)
36 tmgr_history_get_next_event_leq(history, next_event_date,
38 (void **) &resource))) {
40 resource->updateState(event, value, NOW);
44 xbt_dynar_foreach(model_list, iter, model)
45 model->updateActionsState(NOW, 0.0);
48 static void surf_share_resources(surf_model_t model)
50 double next_action_end = -1.0;
51 int i = __sync_fetch_and_add(&surf_min_index, 1);
52 if (strcmp(model->m_name.c_str(), "network NS3")) {
53 XBT_DEBUG("Running for Resource [%s]", model->m_name.c_str());
54 next_action_end = model->shareResources(NOW);
55 XBT_DEBUG("Resource [%s] : next action end = %f",
56 model->m_name.c_str(), next_action_end);
58 surf_mins[i] = next_action_end;
61 static void surf_update_actions_state(surf_model_t model)
63 model->updateActionsState(NOW, surf_min);
66 double surf_solve(double max_date)
68 surf_min = -1.0; /* duration */
69 double next_event_date = -1.0;
70 double model_next_action_end = -1.0;
72 surf_resource_t resource = NULL;
73 surf_model_t model = NULL;
74 tmgr_trace_event_t event = NULL;
77 if (max_date != -1.0 && max_date != NOW) {
78 surf_min = max_date - NOW;
81 XBT_DEBUG("Looking for next action end for all models except NS3");
83 if (surf_mins == NULL) {
84 surf_mins = xbt_new(double, xbt_dynar_length(model_list));
88 /* sequential version */
89 xbt_dynar_foreach(model_list, iter, model) {
90 surf_share_resources(model);
94 for (i = 0; i < xbt_dynar_length(model_list); i++) {
95 if ((surf_min < 0.0 || surf_mins[i] < surf_min)
96 && surf_mins[i] >= 0.0) {
97 surf_min = surf_mins[i];
101 XBT_DEBUG("Min for resources (remember that NS3 don't update that value) : %f", surf_min);
103 XBT_DEBUG("Looking for next trace event");
106 XBT_DEBUG("Next TRACE event : %f", next_event_date);
108 next_event_date = tmgr_history_next_date(history);
110 if(!strcmp(surf_network_model->m_name.c_str(), "network NS3")){//FIXME: add surf_network_model->m_name &&
111 if(next_event_date!=-1.0 && surf_min!=-1.0) {
112 surf_min = MIN(next_event_date - NOW, surf_min);
114 surf_min = MAX(next_event_date - NOW, surf_min);
117 XBT_DEBUG("Run for network at most %f", surf_min);
118 // run until min or next flow
119 model_next_action_end = surf_network_model->shareResources(surf_min);
121 XBT_DEBUG("Min for network : %f", model_next_action_end);
122 if(model_next_action_end>=0.0)
123 surf_min = model_next_action_end;
126 if (next_event_date < 0.0) {
127 XBT_DEBUG("no next TRACE event. Stop searching for it");
131 if ((surf_min == -1.0) || (next_event_date > NOW + surf_min)) break;
133 XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", surf_min, NOW, next_event_date);
135 tmgr_history_get_next_event_leq(history, next_event_date,
137 (void **) &resource))) {
138 if (resource->isUsed()) {
139 surf_min = next_event_date - NOW;
141 ("This event will modify model state. Next event set to %f",
144 /* update state of model_obj according to new value. Does not touch lmm.
145 It will be modified if needed when updating actions */
146 XBT_DEBUG("Calling update_resource_state for resource %s with min %lf",
147 resource->p_model->m_name.c_str(), surf_min);
148 resource->updateState(event, value, next_event_date);
152 /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
153 * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
154 * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
155 if (surf_min == -1.0) {
156 XBT_DEBUG("No next event at all. Bail out now.");
160 XBT_DEBUG("Duration set to %f", surf_min);
162 NOW = NOW + surf_min;
164 /* sequential version */
165 xbt_dynar_foreach(model_list, iter, model) {
166 surf_update_actions_state(model);
170 TRACE_paje_dump_buffer (0);
176 XBT_INLINE double surf_get_clock(void)
181 void routing_get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst,
182 xbt_dynar_t * route, double *latency){
183 routing_platf->getRouteAndLatency(src, dst, route, latency);
190 const char *surf_model_name(surf_model_t model){
191 return model->m_name.c_str();
194 xbt_swag_t surf_model_done_action_set(surf_model_t model){
195 return model->p_doneActionSet;
198 xbt_swag_t surf_model_failed_action_set(surf_model_t model){
199 return model->p_failedActionSet;
202 xbt_swag_t surf_model_ready_action_set(surf_model_t model){
203 return model->p_readyActionSet;
206 xbt_swag_t surf_model_running_action_set(surf_model_t model){
207 return model->p_runningActionSet;
210 surf_action_t surf_workstation_model_execute_parallel_task(surf_workstation_model_t model,
212 void **workstation_list,
213 double *computation_amount,
214 double *communication_amount,
216 return model->executeParallelTask(workstation_nb, workstation_list, computation_amount, communication_amount, rate);
219 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){
220 model->communicate(src, dst, size, rate);
223 xbt_dynar_t surf_workstation_model_get_route(surf_workstation_model_t model,
224 surf_workstation_t src, surf_workstation_t dst){
225 return model->getRoute((WorkstationCLM03Ptr)surf_workstation_resource_priv(src),(WorkstationCLM03Ptr)surf_workstation_resource_priv(dst));
228 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){
229 model->communicate(src, dst, size, rate);
232 const char *surf_resource_name(surf_resource_t resource){
233 return resource->m_name;
236 xbt_dict_t surf_resource_get_properties(surf_resource_t resource){
237 return resource->m_properties;
240 e_surf_resource_state_t surf_resource_get_state(surf_resource_t resource){
241 return resource->getState();
244 surf_action_t surf_workstation_sleep(surf_workstation_t resource, double duration){
245 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->sleep(duration);
248 double surf_workstation_get_speed(surf_workstation_t resource, double load){
249 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->getSpeed(load);
252 double surf_workstation_get_available_speed(surf_workstation_t resource){
253 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->getAvailableSpeed();
256 int surf_workstation_get_core(surf_workstation_t resource){
257 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->getCore();
260 surf_action_t surf_workstation_execute(surf_workstation_t resource, double size){
261 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->execute(size);
264 surf_action_t surf_workstation_communicate(surf_workstation_t workstation_src, surf_workstation_t workstation_dst, double size, double rate){
265 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);
268 surf_action_t surf_workstation_open(surf_workstation_t workstation, const char* mount, const char* path){
269 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(workstation))->open(mount, path);
272 surf_action_t surf_workstation_close(surf_workstation_t workstation, surf_file_t fd){
273 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(workstation))->close(fd);
276 int surf_workstation_unlink(surf_workstation_t workstation, surf_file_t fd){
277 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(workstation))->unlink(fd);
280 surf_action_t surf_workstation_ls(surf_workstation_t workstation, const char* mount, const char *path){
281 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(workstation))->ls(mount, path);
284 size_t surf_workstation_get_size(surf_workstation_t workstation, surf_file_t fd){
285 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(workstation))->getSize(fd);
288 surf_action_t surf_workstation_read(surf_workstation_t resource, void *ptr, size_t size, surf_file_t fd){
289 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->read(ptr, size, fd);
292 surf_action_t surf_workstation_write(surf_workstation_t resource, const void *ptr, size_t size, surf_file_t fd){
293 return ((surf_workstation_CLM03_t)surf_workstation_resource_priv(resource))->write(ptr, size, fd);
296 int surf_network_link_is_shared(surf_network_link_t link){
297 return link->isShared();
300 double surf_network_link_get_bandwidth(surf_network_link_t link){
301 return link->getBandwidth();
304 double surf_network_link_get_latency(surf_network_link_t link){
305 return link->getLatency();
308 surf_action_t surf_cpu_execute(surf_cpu_t cpu, double size){
309 return cpu->execute(size);
312 surf_action_t surf_cpu_sleep(surf_cpu_t cpu, double duration){
313 return cpu->sleep(duration);
316 double surf_action_get_start_time(surf_action_t action){
317 return action->m_start;
320 double surf_action_get_finish_time(surf_action_t action){
321 return action->m_finish;
324 double surf_action_get_remains(surf_action_t action){
325 return action->m_remains;
328 void surf_action_unref(surf_action_t action){
332 void surf_action_suspend(surf_action_t action){
336 void surf_action_resume(surf_action_t action){
340 void surf_action_cancel(surf_action_t action){
344 void surf_action_set_priority(surf_action_t action, double priority){
345 action->setPriority(priority);
348 void surf_action_set_category(surf_action_t action, const char *category){
349 action->setCategory(category);
352 void *surf_action_get_data(surf_action_t action){
353 return action->p_data;
356 void surf_action_set_data(surf_action_t action, void *data){
357 action->p_data = data;
360 e_surf_action_state_t surf_action_get_state(surf_action_t action){
361 return action->getState();
364 int surf_action_get_cost(surf_action_t action){
365 return action->m_cost;
368 surf_file_t surf_storage_action_get_file(surf_storage_action_lmm_t action){
369 return action->p_file;
372 xbt_dict_t surf_storage_action_get_ls_dict(surf_storage_action_lmm_t action){
373 return action->p_lsDict;