X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2a6c5ce52acb820ea198f6c97cfbe0060219ed4f..3203afd846219ef8b41cadda945ea0a98103c46f:/src/kernel/activity/IoImpl.cpp diff --git a/src/kernel/activity/IoImpl.cpp b/src/kernel/activity/IoImpl.cpp index 5cd665c82d..1a7e46fd9e 100644 --- a/src/kernel/activity/IoImpl.cpp +++ b/src/kernel/activity/IoImpl.cpp @@ -1,37 +1,40 @@ -/* Copyright (c) 2007-2021. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2007-2023. 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 +#include + #include "src/kernel/activity/IoImpl.hpp" -#include "mc/mc.h" -#include "simgrid/Exception.hpp" -#include "simgrid/kernel/resource/Action.hpp" -#include "simgrid/kernel/routing/NetPoint.hpp" -#include "simgrid/s4u/Engine.hpp" -#include "simgrid/s4u/Host.hpp" -#include "simgrid/s4u/Io.hpp" -#include "src/kernel/actor/SimcallObserver.hpp" +#include "src/kernel/actor/ActorImpl.hpp" #include "src/kernel/resource/DiskImpl.hpp" -#include "src/mc/mc_replay.hpp" -#include "src/simix/smx_private.hpp" -#include "src/surf/cpu_interface.hpp" +#include "src/kernel/resource/HostImpl.hpp" -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix, "Logging specific to SIMIX (io)"); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_io, kernel, "Kernel io-related synchronization"); -namespace simgrid { -namespace kernel { -namespace activity { +namespace simgrid::kernel::activity { IoImpl::IoImpl() { piface_ = new s4u::Io(this); + actor::ActorImpl* self = actor::ActorImpl::self(); + if (self) { + set_actor(self); + self->activities_.insert(this); + } +} + +IoImpl& IoImpl::set_sharing_penalty(double sharing_penalty) +{ + sharing_penalty_ = sharing_penalty; + return *this; } -IoImpl& IoImpl::set_timeout(double timeout) +IoImpl& IoImpl::update_sharing_penalty(double sharing_penalty) { - const s4u::Host* host = get_disk()->get_host(); - timeout_detector_ = host->get_cpu()->sleep(timeout); - timeout_detector_->set_activity(this); + sharing_penalty_ = sharing_penalty; + model_action_->set_sharing_penalty(sharing_penalty); return *this; } @@ -53,128 +56,117 @@ IoImpl& IoImpl::set_disk(resource::DiskImpl* disk) return *this; } -IoImpl* IoImpl::start() +IoImpl& IoImpl::set_host(s4u::Host* host) { - state_ = State::RUNNING; - surf_action_ = - disk_->get_host()->get_netpoint()->get_englobing_zone()->get_disk_model()->io_start(disk_, size_, type_); - surf_action_->set_activity(this); + host_ = host; + return *this; +} - XBT_DEBUG("Create IO synchro %p %s", this, get_cname()); +IoImpl& IoImpl::set_dst_disk(resource::DiskImpl* disk) +{ + dst_disk_ = disk; + return *this; +} - return this; +IoImpl& IoImpl::set_dst_host(s4u::Host* host) +{ + dst_host_ = host; + return *this; } -void IoImpl::post() +IoImpl* IoImpl::start() { - performed_ioops_ = surf_action_->get_cost(); - if (surf_action_->get_state() == resource::Action::State::FAILED) { - if (disk_ && not disk_->is_on()) - state_ = State::FAILED; - else - state_ = State::CANCELED; - } else if (timeout_detector_ && timeout_detector_->get_state() == resource::Action::State::FINISHED) { - if (surf_action_->get_remains() > 0.0) { - surf_action_->set_state(resource::Action::State::FAILED); - state_ = State::TIMEOUT; - } else { - state_ = State::DONE; - } + set_state(State::RUNNING); + if (dst_host_ == nullptr) { + XBT_DEBUG("Starting regular I/O"); + model_action_ = disk_->io_start(size_, type_); + model_action_->set_sharing_penalty(sharing_penalty_); } else { - state_ = State::DONE; + XBT_DEBUG("Starting streaming I/O"); + auto host_model = dst_host_->get_netpoint()->get_englobing_zone()->get_host_model(); + model_action_ = host_model->io_stream(host_, disk_, dst_host_, dst_disk_, size_); } - clean_action(); - if (timeout_detector_) { - timeout_detector_->unref(); - timeout_detector_ = nullptr; - } + model_action_->set_activity(this); + set_start_time(model_action_->get_start_time()); - /* Answer all simcalls associated with the synchro */ - finish(); + XBT_DEBUG("Create IO synchro %p %s", this, get_cname()); + + return this; +} + +void IoImpl::set_exception(actor::ActorImpl* issuer) +{ + switch (get_state()) { + case State::FAILED: + issuer->set_wannadie(); + static_cast(get_iface())->complete(s4u::Activity::State::FAILED); + issuer->exception_ = std::make_exception_ptr(StorageFailureException(XBT_THROW_POINT, "Storage failed")); + break; + case State::CANCELED: + issuer->exception_ = std::make_exception_ptr(CancelException(XBT_THROW_POINT, "I/O Canceled")); + break; + case State::SRC_HOST_FAILURE: + case State::DST_HOST_FAILURE: + issuer->set_wannadie(); + static_cast(get_iface())->complete(s4u::Activity::State::FAILED); + issuer->exception_ = std::make_exception_ptr(StorageFailureException(XBT_THROW_POINT, "Host failed")); + break; + case State::TIMEOUT: + issuer->exception_ = std::make_exception_ptr(TimeoutException(XBT_THROW_POINT, "Timeouted")); + break; + default: + xbt_assert(get_state() == State::DONE, "Internal error in IoImpl::finish(): unexpected synchro state %s", + get_state_str()); + } } void IoImpl::finish() { - XBT_DEBUG("IoImpl::finish() in state %s", to_c_str(state_)); + XBT_DEBUG("IoImpl::finish() in state %s", get_state_str()); + if (model_action_ != nullptr) { + performed_ioops_ = model_action_->get_cost(); + if (model_action_->get_state() == resource::Action::State::FAILED) { + if (host_ && dst_host_) { // this is an I/O stream + if (not host_->is_on()) + set_state(State::SRC_HOST_FAILURE); + else if (not dst_host_->is_on()) + set_state(State::DST_HOST_FAILURE); + } else if ((disk_ && not disk_->is_on()) || (dst_disk_ && not dst_disk_->is_on())) + set_state(State::FAILED); + else + set_state(State::CANCELED); + } else { + set_state(State::DONE); + } + + clean_action(); + } + while (not simcalls_.empty()) { - smx_simcall_t simcall = simcalls_.front(); + actor::Simcall* simcall = simcalls_.front(); simcalls_.pop_front(); /* If a waitany simcall is waiting for this synchro to finish, then remove it from the other synchros in the waitany * list. Afterwards, get the position of the actual synchro in the waitany list and return it as the result of the * simcall */ - if (simcall->call_ == simix::Simcall::NONE) // FIXME: maybe a better way to handle this case - continue; // if process handling comm is killed - if (auto* observer = dynamic_cast(simcall->observer_)) { // simcall is a wait_any? - const auto& ios = observer->get_ios(); + if (simcall->call_ == actor::Simcall::Type::NONE) // FIXME: maybe a better way to handle this case + continue; // if process handling comm is killed - for (auto* io : ios) { - io->unregister_simcall(simcall); + handle_activity_waitany(simcall); - if (simcall->timeout_cb_) { - simcall->timeout_cb_->remove(); - simcall->timeout_cb_ = nullptr; - } - } - - if (not MC_is_active() && not MC_record_replay_is_active()) { - auto element = std::find(ios.begin(), ios.end(), this); - int rank = element != ios.end() ? static_cast(std::distance(ios.begin(), element)) : -1; - observer->set_result(rank); + if (not simcall->issuer_->get_host()->is_on()) { + simcall->issuer_->set_wannadie(); + } else { + // Do not answer to dying actors + if (not simcall->issuer_->wannadie()) { + set_exception(simcall->issuer_); + simcall->issuer_->waiting_synchro_ = nullptr; + simcall->issuer_->simcall_answer(); } } - - switch (state_) { - case State::FAILED: - simcall->issuer_->context_->set_wannadie(); - piface_->complete(s4u::Activity::State::FAILED); - simcall->issuer_->exception_ = - std::make_exception_ptr(StorageFailureException(XBT_THROW_POINT, "Storage failed")); - break; - case State::CANCELED: - simcall->issuer_->exception_ = std::make_exception_ptr(CancelException(XBT_THROW_POINT, "I/O Canceled")); - break; - case State::TIMEOUT: - simcall->issuer_->exception_ = std::make_exception_ptr(TimeoutException(XBT_THROW_POINT, "Timeouted")); - break; - default: - xbt_assert(state_ == State::DONE, "Internal error in IoImpl::finish(): unexpected synchro state %s", - to_c_str(state_)); - } - - simcall->issuer_->waiting_synchro_ = nullptr; - simcall->issuer_->simcall_answer(); - } -} - -void IoImpl::wait_any_for(actor::ActorImpl* issuer, const std::vector& ios, double timeout) -{ - if (timeout < 0.0) { - issuer->simcall_.timeout_cb_ = nullptr; - } else { - issuer->simcall_.timeout_cb_ = timer::Timer::set(s4u::Engine::get_clock() + timeout, [issuer, &ios]() { - issuer->simcall_.timeout_cb_ = nullptr; - for (auto* io : ios) - io->unregister_simcall(&issuer->simcall_); - // default result (-1) is set in actor::IoWaitanySimcall - issuer->simcall_answer(); - }); - } - - for (auto* io : ios) { - /* associate this simcall to the the synchro */ - io->simcalls_.push_back(&issuer->simcall_); - - /* see if the synchro is already finished */ - if (io->state_ != State::WAITING && io->state_ != State::RUNNING) { - io->finish(); - break; - } } } -} // namespace activity -} // namespace kernel -} // namespace simgrid +} // namespace simgrid::kernel::activity