X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c19a107a096f503e67217fb178fa98eb742ceb4d..d9275f747ba3c37e33a3f301dc70dbbb7e9bae38:/src/surf/surf_c_bindings.cpp diff --git a/src/surf/surf_c_bindings.cpp b/src/surf/surf_c_bindings.cpp index 66144a77a7..59fd67e1af 100644 --- a/src/surf/surf_c_bindings.cpp +++ b/src/surf/surf_c_bindings.cpp @@ -3,12 +3,14 @@ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ -#include "simgrid/s4u/Engine.hpp" -#include "src/include/surf/surf.hpp" +#include + #include "src/instr/instr_private.hpp" +#include "src/kernel/EngineImpl.hpp" #include "src/kernel/resource/DiskImpl.hpp" +#include "src/kernel/resource/VirtualMachineImpl.hpp" #include "src/kernel/resource/profile/FutureEvtSet.hpp" -#include "src/plugins/vm/VirtualMachineImpl.hpp" +#include "surf/surf.hpp" #include @@ -22,32 +24,30 @@ extern double NOW; void surf_presolve() { - XBT_DEBUG ("Consume all trace events occurring before the starting time."); + XBT_DEBUG("Consume all trace events occurring before the starting time."); double next_event_date; while ((next_event_date = simgrid::kernel::profile::future_evt_set.next_date()) != -1.0) { if (next_event_date > NOW) break; - simgrid::kernel::profile::Event* event; double value = -1.0; simgrid::kernel::resource::Resource* resource = nullptr; - while ((event = simgrid::kernel::profile::future_evt_set.pop_leq(next_event_date, &value, &resource))) { + while (auto* event = simgrid::kernel::profile::future_evt_set.pop_leq(next_event_date, &value, &resource)) { if (value >= 0) resource->apply_event(event, value); } } - XBT_DEBUG ("Set every models in the right state by updating them to 0."); - for (auto const& model : all_existing_models) + XBT_DEBUG("Set every models in the right state by updating them to 0."); + for (auto const& model : simgrid::kernel::EngineImpl::get_instance()->get_all_models()) model->update_actions_state(NOW, 0.0); } double surf_solve(double max_date) { - double time_delta = -1.0; /* duration */ - double value = -1.0; + double time_delta = -1.0; /* duration */ + double value = -1.0; simgrid::kernel::resource::Resource* resource = nullptr; - simgrid::kernel::profile::Event* event = nullptr; if (max_date != -1.0) { xbt_assert(max_date >= NOW, "You asked to simulate up to %f, but that's in the past already", max_date); @@ -55,25 +55,15 @@ double surf_solve(double max_date) time_delta = max_date - NOW; } - /* Physical models MUST be resolved first */ - XBT_DEBUG("Looking for next event in physical models"); - double next_event_phy = surf_host_model->next_occurring_event(NOW); - if ((time_delta < 0.0 || next_event_phy < time_delta) && next_event_phy >= 0.0) { - time_delta = next_event_phy; - } - if (surf_vm_model != nullptr) { - XBT_DEBUG("Looking for next event in virtual models"); - double next_event_virt = surf_vm_model->next_occurring_event(NOW); - if ((time_delta < 0.0 || next_event_virt < time_delta) && next_event_virt >= 0.0) - time_delta = next_event_virt; - } - - for (auto const& model : all_existing_models) { - if (model != surf_host_model && model != surf_vm_model && model != surf_network_model && - model != surf_disk_model) { - double next_event_model = model->next_occurring_event(NOW); - if ((time_delta < 0.0 || next_event_model < time_delta) && next_event_model >= 0.0) - time_delta = next_event_model; + XBT_DEBUG("Looking for next event in all models"); + auto engine = simgrid::kernel::EngineImpl::get_instance(); + for (auto model : engine->get_all_models()) { + if (not model->next_occurring_event_is_idempotent()) { + continue; + } + double next_event = model->next_occurring_event(NOW); + if ((time_delta < 0.0 || next_event < time_delta) && next_event >= 0.0) { + time_delta = next_event; } } @@ -85,7 +75,12 @@ double surf_solve(double max_date) double next_event_date = simgrid::kernel::profile::future_evt_set.next_date(); XBT_DEBUG("Next TRACE event: %f", next_event_date); - if (not surf_network_model->next_occurring_event_is_idempotent()) { // NS3, I see you + for (auto model : engine->get_all_models()) { + /* Skip all idempotent models, they were already treated above + * NS3 is the one to handled here */ + if (model->next_occurring_event_is_idempotent()) + continue; + if (next_event_date != -1.0) { time_delta = std::min(next_event_date - NOW, time_delta); } else { @@ -94,7 +89,7 @@ double surf_solve(double max_date) XBT_DEBUG("Run the NS3 network at most %fs", time_delta); // run until min or next flow - double model_next_action_end = surf_network_model->next_occurring_event(time_delta); + double model_next_action_end = model->next_occurring_event(time_delta); XBT_DEBUG("Min for network : %f", model_next_action_end); if (model_next_action_end >= 0.0) @@ -109,15 +104,16 @@ double surf_solve(double max_date) XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", time_delta, NOW, next_event_date); - while ((event = simgrid::kernel::profile::future_evt_set.pop_leq(next_event_date, &value, &resource))) { + while (auto* event = simgrid::kernel::profile::future_evt_set.pop_leq(next_event_date, &value, &resource)) { if (resource->is_used() || (watched_hosts().find(resource->get_cname()) != watched_hosts().end())) { time_delta = next_event_date - NOW; XBT_DEBUG("This event invalidates the next_occurring_event() computation of models. Next event set to %f", time_delta); } - // 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 + // 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 double round_start = NOW; - NOW = next_event_date; + NOW = next_event_date; /* update state of the corresponding resource to the new value. Does not touch lmm. It will be modified if needed when updating actions */ XBT_DEBUG("Calling update_resource_state for resource %s", resource->get_cname()); @@ -126,9 +122,11 @@ double surf_solve(double max_date) } } - /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0. - * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0. - * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */ + /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are + * with availability = 0. This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a + * trace with periodicity > 0. + * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed + */ if (time_delta < 0) { XBT_DEBUG("No next event at all. Bail out now."); return -1.0; @@ -140,7 +138,7 @@ double surf_solve(double max_date) NOW = NOW + time_delta; // Inform the models of the date change - for (auto const& model : all_existing_models) + for (auto const& model : simgrid::kernel::EngineImpl::get_instance()->get_all_models()) model->update_actions_state(NOW, time_delta); simgrid::s4u::Engine::on_time_advance(time_delta);