X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e6be248713757287eb951054a63c9f251d52ee0a..f2aaadd437ac30adad539d969164098b50cd2338:/src/surf/surf_c_bindings.cpp diff --git a/src/surf/surf_c_bindings.cpp b/src/surf/surf_c_bindings.cpp index 06af81e3c0..771f6a8f78 100644 --- a/src/surf/surf_c_bindings.cpp +++ b/src/surf/surf_c_bindings.cpp @@ -1,11 +1,16 @@ -/* Copyright (c) 2013-2017. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2013-2021. The SimGrid Team. All rights reserved. */ /* 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 "src/instr/instr_private.hpp" +#include "src/kernel/EngineImpl.hpp" +#include "src/kernel/resource/DiskImpl.hpp" +#include "src/kernel/resource/profile/FutureEvtSet.hpp" #include "src/plugins/vm/VirtualMachineImpl.hpp" + #include XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_kernel); @@ -18,72 +23,88 @@ extern double NOW; void surf_presolve() { - double next_event_date = -1.0; - tmgr_trace_event_t event = nullptr; - double value = -1.0; - simgrid::kernel::resource::Resource* resource = nullptr; - - XBT_DEBUG ("Consume all trace events occurring before the starting time."); - while ((next_event_date = future_evt_set->next_date()) != -1.0) { + 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; - while ((event = future_evt_set->pop_leq(next_event_date, &value, &resource))) { + double value = -1.0; + simgrid::kernel::resource::Resource* resource = nullptr; + 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); } +/** + * @brief Auxiliary function to get next event from a list of models + * + * @param models list of models to explore (cpu, host, vm) (IN) + * @param time_delta delta for the next event (IN/OUT) + */ +static void surf_update_next_event(std::vector const& models, double& time_delta) +{ + for (auto* model : 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; + } + } +} + double surf_solve(double max_date) { - double time_delta = -1.0; /* duration */ - double model_next_action_end = -1.0; - double value = -1.0; + double time_delta = -1.0; /* duration */ + double value = -1.0; simgrid::kernel::resource::Resource* resource = nullptr; - tmgr_trace_event_t event = nullptr; - if (max_date > 0.0) { - xbt_assert(max_date > NOW,"You asked to simulate up to %f, but that's in the past already", max_date); + 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); 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_occuring_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_occuring_event(NOW); - if ((time_delta < 0.0 || next_event_virt < time_delta) && next_event_virt >= 0.0) - time_delta = next_event_virt; - } + auto engine = simgrid::kernel::EngineImpl::get_instance(); + surf_update_next_event(engine->get_model_list(simgrid::kernel::resource::Model::Type::HOST), time_delta); - for (auto const& model : *all_existing_models) { - if (model != surf_host_model && model != surf_vm_model && model != surf_network_model && - model != surf_storage_model) { - double next_event_model = model->next_occuring_event(NOW); - if ((time_delta < 0.0 || next_event_model < time_delta) && next_event_model >= 0.0) - time_delta = next_event_model; - } - } + // following the order it was done in HostCLM03Model->next_occurring_event + XBT_DEBUG("Looking for next event in CPU models"); + surf_update_next_event(engine->get_model_list(simgrid::kernel::resource::Model::Type::CPU_PM), time_delta); + + XBT_DEBUG("Looking for next event in network models"); + surf_update_next_event(engine->get_model_list(simgrid::kernel::resource::Model::Type::NETWORK), time_delta); + XBT_DEBUG("Looking for next event in disk models"); + surf_update_next_event(engine->get_model_list(simgrid::kernel::resource::Model::Type::DISK), time_delta); + + XBT_DEBUG("Looking for next event in virtual models"); + surf_update_next_event(engine->get_model_list(simgrid::kernel::resource::Model::Type::VM), time_delta); + surf_update_next_event(engine->get_model_list(simgrid::kernel::resource::Model::Type::CPU_VM), time_delta); XBT_DEBUG("Min for resources (remember that NS3 don't update that value): %f", time_delta); XBT_DEBUG("Looking for next trace event"); - while (1) { // Handle next occurring events until none remains - double next_event_date = future_evt_set->next_date(); + while (true) { // Handle next occurring events until none remains + 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_occuring_event_is_idempotent()) { // NS3, I see you + for (auto* model : engine->get_model_list(simgrid::kernel::resource::Model::Type::NETWORK)) { + /* 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 { @@ -92,7 +113,7 @@ double surf_solve(double max_date) XBT_DEBUG("Run the NS3 network at most %fs", time_delta); // run until min or next flow - model_next_action_end = surf_network_model->next_occuring_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) @@ -107,25 +128,29 @@ 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 = future_evt_set->pop_leq(next_event_date, &value, &resource))) { - if (resource->is_used() || (watched_hosts.find(resource->getCname()) != watched_hosts.end())) { + 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_occuring_event() computation of models. Next event set to %f", time_delta); + 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->getCname()); + XBT_DEBUG("Calling update_resource_state for resource %s", resource->get_cname()); resource->apply_event(event, value); NOW = round_start; } } - /* 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; @@ -137,44 +162,10 @@ 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::onTimeAdvance(time_delta); - - TRACE_paje_dump_buffer(false); + simgrid::s4u::Engine::on_time_advance(time_delta); return time_delta; } - -/********* - * MODEL * - *********/ -static simgrid::kernel::resource::Action* ActionListExtract(simgrid::kernel::resource::Action::StateSet* list) -{ - if (list->empty()) - return nullptr; - simgrid::kernel::resource::Action* res = &list->front(); - list->pop_front(); - return res; -} - -simgrid::kernel::resource::Action* surf_model_extract_done_action_set(simgrid::kernel::resource::Model* model) -{ - return ActionListExtract(model->get_done_action_set()); -} - -simgrid::kernel::resource::Action* surf_model_extract_failed_action_set(simgrid::kernel::resource::Model* model) -{ - return ActionListExtract(model->get_failed_action_set()); -} - -int surf_model_running_action_set_size(simgrid::kernel::resource::Model* model) -{ - return model->get_running_action_set()->size(); -} - -void surf_cpu_action_set_bound(simgrid::kernel::resource::Action* action, double bound) -{ - static_cast(action)->set_bound(bound); -}