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_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_netcard_t src, sg_netcard_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(src->pimpl_netcard, dst->pimpl_netcard, &route, NULL);
232 void surf_vm_model_create(const char *name, sg_host_t ind_phys_host){
233 surf_vm_model->createVM(name, ind_phys_host);
236 surf_action_t surf_network_model_communicate(surf_network_model_t model, sg_host_t src, sg_host_t dst, double size, double rate){
237 return model->communicate(src->pimpl_netcard, dst->pimpl_netcard, size, rate);
240 const char *surf_resource_name(surf_cpp_resource_t resource){
241 return resource->getName();
244 surf_action_t surf_host_sleep(sg_host_t host, double duration){
245 return host->pimpl_cpu->sleep(duration);
248 xbt_dict_t sg_host_get_properties(sg_host_t host) {
249 return get_casted_host(host)->getProperties();
252 double surf_host_get_available_speed(sg_host_t host){
253 return host->pimpl_cpu->getAvailableSpeed();
256 double surf_host_get_current_power_peak(sg_host_t host){
257 return host->pimpl_cpu->getCurrentPowerPeak();
260 double surf_host_get_power_peak_at(sg_host_t host, int pstate_index){
261 return host->pimpl_cpu->getPowerPeakAt(pstate_index);
265 xbt_dict_t surf_host_get_mounted_storage_list(sg_host_t host){
266 return get_casted_host(host)->getMountedStorageList();
269 xbt_dynar_t surf_host_get_attached_storage_list(sg_host_t host){
270 return get_casted_host(host)->getAttachedStorageList();
273 surf_action_t surf_host_open(sg_host_t host, const char* fullpath){
274 return get_casted_host(host)->open(fullpath);
277 surf_action_t surf_host_close(sg_host_t host, surf_file_t fd){
278 return get_casted_host(host)->close(fd);
281 int surf_host_unlink(sg_host_t host, surf_file_t fd){
282 return get_casted_host(host)->unlink(fd);
285 size_t surf_host_get_size(sg_host_t host, surf_file_t fd){
286 return get_casted_host(host)->getSize(fd);
289 surf_action_t surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size){
290 return get_casted_host(host)->read(fd, size);
293 surf_action_t surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size){
294 return get_casted_host(host)->write(fd, size);
297 xbt_dynar_t surf_host_get_info(sg_host_t host, surf_file_t fd){
298 return get_casted_host(host)->getInfo(fd);
301 size_t surf_host_file_tell(sg_host_t host, surf_file_t fd){
302 return get_casted_host(host)->fileTell(fd);
305 int surf_host_file_seek(sg_host_t host, surf_file_t fd,
306 sg_offset_t offset, int origin){
307 return get_casted_host(host)->fileSeek(fd, offset, origin);
310 int surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath){
311 return get_casted_host(host)->fileMove(fd, fullpath);
314 xbt_dynar_t surf_host_get_vms(sg_host_t host){
315 xbt_dynar_t vms = get_casted_host(host)->getVms();
316 xbt_dynar_t vms_ = xbt_dynar_new(sizeof(sg_host_t), NULL);
318 simgrid::surf::VirtualMachine *vm;
319 xbt_dynar_foreach(vms, cpt, vm) {
320 // TODO, use a backlink from simgrid::surf::Host to simgrid::Host
321 sg_host_t vm_ = (sg_host_t) xbt_dict_get_elm_or_null(host_list, vm->getName());
322 xbt_dynar_push(vms_, &vm_);
324 xbt_dynar_free(&vms);
328 void surf_host_get_params(sg_host_t host, vm_params_t params){
329 get_casted_host(host)->getParams(params);
332 void surf_host_set_params(sg_host_t host, vm_params_t params){
333 get_casted_host(host)->setParams(params);
336 void surf_vm_destroy(sg_host_t vm){ // FIXME:DEADCODE
337 vm->pimpl_cpu = nullptr;
338 vm->pimpl_netcard = nullptr;
341 void surf_vm_suspend(sg_host_t vm){
342 get_casted_vm(vm)->suspend();
345 void surf_vm_resume(sg_host_t vm){
346 get_casted_vm(vm)->resume();
349 void surf_vm_save(sg_host_t vm){
350 get_casted_vm(vm)->save();
353 void surf_vm_restore(sg_host_t vm){
354 get_casted_vm(vm)->restore();
357 void surf_vm_migrate(sg_host_t vm, sg_host_t ind_vm_ws_dest){
358 get_casted_vm(vm)->migrate(ind_vm_ws_dest);
361 sg_host_t surf_vm_get_pm(sg_host_t vm){
362 return get_casted_vm(vm)->getPm();
365 void surf_vm_set_bound(sg_host_t vm, double bound){
366 return get_casted_vm(vm)->setBound(bound);
369 void surf_vm_set_affinity(sg_host_t vm, sg_host_t host, unsigned long mask){
370 return get_casted_vm(vm)->setAffinity(host->pimpl_cpu, mask);
373 xbt_dict_t surf_storage_get_content(surf_resource_t resource){
374 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getContent();
377 sg_size_t surf_storage_get_size(surf_resource_t resource){
378 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getSize();
381 sg_size_t surf_storage_get_free_size(surf_resource_t resource){
382 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getFreeSize();
385 sg_size_t surf_storage_get_used_size(surf_resource_t resource){
386 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getUsedSize();
389 xbt_dict_t surf_storage_get_properties(surf_resource_t resource){
390 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getProperties();
393 const char* surf_storage_get_host(surf_resource_t resource){
394 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->p_attach;
397 double surf_action_get_start_time(surf_action_t action){
398 return action->getStartTime();
401 double surf_action_get_finish_time(surf_action_t action){
402 return action->getFinishTime();
405 double surf_action_get_remains(surf_action_t action){
406 return action->getRemains();
409 void surf_action_suspend(surf_action_t action){
413 void surf_action_resume(surf_action_t action){
417 void surf_action_cancel(surf_action_t action){
421 void surf_action_set_priority(surf_action_t action, double priority){
422 action->setPriority(priority);
425 void surf_action_set_category(surf_action_t action, const char *category){
426 action->setCategory(category);
429 void *surf_action_get_data(surf_action_t action){
430 return action->getData();
433 void surf_action_set_data(surf_action_t action, void *data){
434 action->setData(data);
437 e_surf_action_state_t surf_action_get_state(surf_action_t action){
438 return action->getState();
441 double surf_action_get_cost(surf_action_t action){
442 return action->getCost();
445 void surf_cpu_action_set_affinity(surf_action_t action, sg_host_t host, unsigned long mask) {
446 static_cast<simgrid::surf::CpuAction*>(action)->setAffinity(host->pimpl_cpu, mask);
449 void surf_cpu_action_set_bound(surf_action_t action, double bound) {
450 static_cast<simgrid::surf::CpuAction*>(action)->setBound(bound);
453 #ifdef HAVE_LATENCY_BOUND_TRACKING
454 double surf_network_action_get_latency_limited(surf_action_t action) {
455 return static_cast<NetworkActionPtr>(action)->getLatencyLimited();
459 surf_file_t surf_storage_action_get_file(surf_action_t action){
460 return static_cast<simgrid::surf::StorageAction*>(action)->p_file;
463 surf_host_t surf_host_resource_priv(sg_host_t host) {
464 return host->extension<simgrid::surf::Host>();