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)
44 while ((event = future_evt_set->pop_leq(next_event_date,
46 (void **) &resource))) {
48 resource->updateState(event, value, NOW);
53 XBT_DEBUG ("Set every models in the right state by updating them to 0.");
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_iterator_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 = future_evt_set->next_date();
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);
122 while ((event = future_evt_set->pop_leq(next_event_date,
124 (void **) &resource))) {
125 if (resource->isUsed() || xbt_dict_get_or_null(watched_hosts_lib, resource->getName())) {
126 surf_min = next_event_date - NOW;
128 ("This event will modify model state. Next event set to %f",
131 /* update state of model_obj according to new value. Does not touch lmm.
132 It will be modified if needed when updating actions */
133 XBT_DEBUG("Calling update_resource_state for resource %s with min %f",
134 resource->getName(), surf_min);
135 resource->updateState(event, value, next_event_date);
139 /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
140 * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
141 * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
142 if (surf_min == -1.0) {
143 XBT_DEBUG("No next event at all. Bail out now.");
147 XBT_DEBUG("Duration set to %f", surf_min);
149 NOW = NOW + surf_min;
150 /* FIXME: model_list or model_list_invoke? revisit here later */
151 /* sequential version */
152 xbt_dynar_foreach(all_existing_models, iter, model) {
153 model->updateActionsState(NOW, surf_min);
156 TRACE_paje_dump_buffer (0);
161 void routing_get_route_and_latency(sg_netcard_t src, sg_netcard_t dst,
162 xbt_dynar_t * route, double *latency){
163 routing_platf->getRouteAndLatency(src, dst, route, latency);
170 surf_action_t surf_model_extract_done_action_set(surf_model_t model){
171 if (model->getDoneActionSet()->empty())
173 surf_action_t res = &model->getDoneActionSet()->front();
174 model->getDoneActionSet()->pop_front();
178 surf_action_t surf_model_extract_failed_action_set(surf_model_t model){
179 if (model->getFailedActionSet()->empty())
181 surf_action_t res = &model->getFailedActionSet()->front();
182 model->getFailedActionSet()->pop_front();
186 int surf_model_running_action_set_size(surf_model_t model){
187 return model->getRunningActionSet()->size();
190 xbt_dynar_t surf_host_model_get_route(surf_host_model_t /*model*/,
191 sg_host_t src, sg_host_t dst){
192 xbt_dynar_t route = NULL;
193 routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, &route, NULL);
197 void surf_vm_model_create(const char *name, sg_host_t ind_phys_host){
198 surf_vm_model->createVM(name, ind_phys_host);
201 surf_action_t surf_network_model_communicate(surf_network_model_t model, sg_host_t src, sg_host_t dst, double size, double rate){
202 return model->communicate(src->pimpl_netcard, dst->pimpl_netcard, size, rate);
205 const char *surf_resource_name(surf_cpp_resource_t resource){
206 return resource->getName();
209 surf_action_t surf_host_sleep(sg_host_t host, double duration){
210 return host->pimpl_cpu->sleep(duration);
214 double surf_host_get_available_speed(sg_host_t host){
215 return host->pimpl_cpu->getAvailableSpeed();
218 xbt_dynar_t surf_host_get_attached_storage_list(sg_host_t host){
219 return get_casted_host(host)->getAttachedStorageList();
222 surf_action_t surf_host_open(sg_host_t host, const char* fullpath){
223 return get_casted_host(host)->open(fullpath);
226 surf_action_t surf_host_close(sg_host_t host, surf_file_t fd){
227 return get_casted_host(host)->close(fd);
230 int surf_host_unlink(sg_host_t host, surf_file_t fd){
231 return get_casted_host(host)->unlink(fd);
234 size_t surf_host_get_size(sg_host_t host, surf_file_t fd){
235 return get_casted_host(host)->getSize(fd);
238 surf_action_t surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size){
239 return get_casted_host(host)->read(fd, size);
242 surf_action_t surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size){
243 return get_casted_host(host)->write(fd, size);
246 xbt_dynar_t surf_host_get_info(sg_host_t host, surf_file_t fd){
247 return get_casted_host(host)->getInfo(fd);
250 size_t surf_host_file_tell(sg_host_t host, surf_file_t fd){
251 return get_casted_host(host)->fileTell(fd);
254 int surf_host_file_seek(sg_host_t host, surf_file_t fd,
255 sg_offset_t offset, int origin){
256 return get_casted_host(host)->fileSeek(fd, offset, origin);
259 int surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath){
260 return get_casted_host(host)->fileMove(fd, fullpath);
263 xbt_dynar_t surf_host_get_vms(sg_host_t host){
264 xbt_dynar_t vms = get_casted_host(host)->getVms();
265 xbt_dynar_t vms_ = xbt_dynar_new(sizeof(sg_host_t), NULL);
267 simgrid::surf::VirtualMachine *vm;
268 xbt_dynar_foreach(vms, cpt, vm) {
269 // TODO, use a backlink from simgrid::surf::Host to simgrid::s4u::Host
270 sg_host_t vm_ = (sg_host_t) xbt_dict_get_elm_or_null(host_list, vm->getName());
271 xbt_dynar_push(vms_, &vm_);
273 xbt_dynar_free(&vms);
277 void surf_host_get_params(sg_host_t host, vm_params_t params){
278 get_casted_host(host)->getParams(params);
281 void surf_host_set_params(sg_host_t host, vm_params_t params){
282 get_casted_host(host)->setParams(params);
285 void surf_vm_destroy(sg_host_t vm){ // FIXME:DEADCODE
286 vm->pimpl_cpu = nullptr;
287 vm->pimpl_netcard = nullptr;
290 void surf_vm_suspend(sg_host_t vm){
291 get_casted_vm(vm)->suspend();
294 void surf_vm_resume(sg_host_t vm){
295 get_casted_vm(vm)->resume();
298 void surf_vm_save(sg_host_t vm){
299 get_casted_vm(vm)->save();
302 void surf_vm_restore(sg_host_t vm){
303 get_casted_vm(vm)->restore();
306 void surf_vm_migrate(sg_host_t vm, sg_host_t ind_vm_ws_dest){
307 get_casted_vm(vm)->migrate(ind_vm_ws_dest);
310 sg_host_t surf_vm_get_pm(sg_host_t vm){
311 return get_casted_vm(vm)->getPm();
314 void surf_vm_set_bound(sg_host_t vm, double bound){
315 return get_casted_vm(vm)->setBound(bound);
318 void surf_vm_set_affinity(sg_host_t vm, sg_host_t host, unsigned long mask){
319 return get_casted_vm(vm)->setAffinity(host->pimpl_cpu, mask);
322 xbt_dict_t surf_storage_get_content(surf_resource_t resource){
323 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getContent();
326 sg_size_t surf_storage_get_size(surf_resource_t resource){
327 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getSize();
330 sg_size_t surf_storage_get_free_size(surf_resource_t resource){
331 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getFreeSize();
334 sg_size_t surf_storage_get_used_size(surf_resource_t resource){
335 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getUsedSize();
338 xbt_dict_t surf_storage_get_properties(surf_resource_t resource){
339 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getProperties();
342 const char* surf_storage_get_host(surf_resource_t resource){
343 return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->p_attach;
346 double surf_action_get_start_time(surf_action_t action){
347 return action->getStartTime();
350 double surf_action_get_finish_time(surf_action_t action){
351 return action->getFinishTime();
354 double surf_action_get_remains(surf_action_t action){
355 return action->getRemains();
358 void surf_action_set_category(surf_action_t action, const char *category){
359 action->setCategory(category);
362 void *surf_action_get_data(surf_action_t action){
363 return action->getData();
366 void surf_action_set_data(surf_action_t action, void *data){
367 action->setData(data);
370 e_surf_action_state_t surf_action_get_state(surf_action_t action){
371 return action->getState();
374 double surf_action_get_cost(surf_action_t action){
375 return action->getCost();
378 void surf_cpu_action_set_affinity(surf_action_t action, sg_host_t host, unsigned long mask) {
379 static_cast<simgrid::surf::CpuAction*>(action)->setAffinity(host->pimpl_cpu, mask);
382 void surf_cpu_action_set_bound(surf_action_t action, double bound) {
383 static_cast<simgrid::surf::CpuAction*>(action)->setBound(bound);
386 #ifdef HAVE_LATENCY_BOUND_TRACKING
387 double surf_network_action_get_latency_limited(surf_action_t action) {
388 return static_cast<simgrid::surf::NetworkAction*>(action)->getLatencyLimited();
392 surf_file_t surf_storage_action_get_file(surf_action_t action){
393 return static_cast<simgrid::surf::StorageAction*>(action)->p_file;