X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2ef59b0adb027b30c217be9b19ee418841aa7885..a5c102f3397e8112b97c27981bfdbcaac76d79f6:/src/kernel/activity/ExecImpl.cpp diff --git a/src/kernel/activity/ExecImpl.cpp b/src/kernel/activity/ExecImpl.cpp index 17fdf8da28..844847a705 100644 --- a/src/kernel/activity/ExecImpl.cpp +++ b/src/kernel/activity/ExecImpl.cpp @@ -1,107 +1,172 @@ -/* Copyright (c) 2007-2018. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2007-2019. 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 "src/kernel/activity/ExecImpl.hpp" +#include "simgrid/Exception.hpp" #include "simgrid/modelchecker.h" #include "src/mc/mc_replay.hpp" - -#include "src/kernel/activity/ExecImpl.hpp" -#include "src/simix/smx_host_private.hpp" -#include "src/surf/surf_interface.hpp" +#include "src/surf/HostImpl.hpp" #include "src/surf/cpu_interface.hpp" +#include "src/surf/surf_interface.hpp" #include "simgrid/s4u/Host.hpp" XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process); -simgrid::kernel::activity::ExecImpl::ExecImpl(std::string name, resource::Action* surf_action, - resource::Action* timeout_detector, s4u::Host* host) - : ActivityImpl(name), host_(host), surf_action_(surf_action), timeout_detector_(timeout_detector) +void simcall_HANDLER_execution_wait(smx_simcall_t simcall, simgrid::kernel::activity::ExecImpl* synchro) { - this->state_ = SIMIX_RUNNING; + XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro, (int)synchro->state_); + + /* Associate this simcall to the synchro */ + synchro->simcalls_.push_back(simcall); + simcall->issuer->waiting_synchro = synchro; - surf_action_->set_data(this); - if (timeout_detector != nullptr) - timeout_detector->set_data(this); + /* set surf's synchro */ + if (MC_is_active() || MC_record_replay_is_active()) { + synchro->state_ = SIMIX_DONE; + synchro->finish(); + return; + } - XBT_DEBUG("Create exec %p", this); + /* If the synchro is already finished then perform the error handling */ + if (synchro->state_ != SIMIX_RUNNING) + synchro->finish(); } -simgrid::kernel::activity::ExecImpl::~ExecImpl() +void simcall_HANDLER_execution_test(smx_simcall_t simcall, simgrid::kernel::activity::ExecImpl* synchro) +{ + int res = (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING); + if (res) { + synchro->simcalls_.push_back(simcall); + synchro->finish(); + } else { + SIMIX_simcall_answer(simcall); + } + simcall_execution_test__set__result(simcall, res); +} + +namespace simgrid { +namespace kernel { +namespace activity { + +ExecImpl::~ExecImpl() { - if (surf_action_) - surf_action_->unref(); if (timeout_detector_) timeout_detector_->unref(); XBT_DEBUG("Destroy exec %p", this); } -void simgrid::kernel::activity::ExecImpl::suspend() +ExecImpl* ExecImpl::set_host(s4u::Host* host) { - XBT_VERB("This exec is suspended (remain: %f)", surf_action_->get_remains()); - if (surf_action_ != nullptr) - surf_action_->suspend(); + host_ = host; + return this; } -void simgrid::kernel::activity::ExecImpl::resume() +ExecImpl* ExecImpl::set_name(const std::string& name) { - XBT_VERB("This exec is resumed (remain: %f)", surf_action_->get_remains()); - if (surf_action_ != nullptr) - surf_action_->resume(); + ActivityImpl::set_name(name); + return this; +} + +ExecImpl* ExecImpl::set_tracing_category(const std::string& category) +{ + ActivityImpl::set_category(category); + return this; +} + +ExecImpl* ExecImpl::set_timeout(double timeout) +{ + if (timeout > 0 && not MC_is_active() && not MC_record_replay_is_active()) { + timeout_detector_ = host_->pimpl_cpu->sleep(timeout); + timeout_detector_->set_data(this); + } + return this; +} + +ExecImpl* ExecImpl::start(double flops_amount, double priority, double bound) +{ + state_ = SIMIX_RUNNING; + if (not MC_is_active() && not MC_record_replay_is_active()) { + surf_action_ = host_->pimpl_cpu->execution_start(flops_amount); + surf_action_->set_data(this); + surf_action_->set_priority(priority); + if (bound > 0) + surf_action_->set_bound(bound); + } + + XBT_DEBUG("Create execute synchro %p: %s", this, get_cname()); + ExecImpl::on_creation(*this); + return this; } -void simgrid::kernel::activity::ExecImpl::cancel() + +ExecImpl* ExecImpl::start(const std::vector& hosts, const std::vector& flops_amounts, + const std::vector& bytes_amounts) +{ + state_ = SIMIX_RUNNING; + /* set surf's synchro */ + if (not MC_is_active() && not MC_record_replay_is_active()) { + surf_action_ = surf_host_model->execute_parallel(hosts, flops_amounts.data(), bytes_amounts.data(), -1); + if (surf_action_ != nullptr) { + surf_action_->set_data(this); + } + } + XBT_DEBUG("Create parallel execute synchro %p", this); + ExecImpl::on_creation(*this); + return this; +} +void ExecImpl::cancel() { XBT_VERB("This exec %p is canceled", this); if (surf_action_ != nullptr) surf_action_->cancel(); } -double simgrid::kernel::activity::ExecImpl::get_remaining() +double ExecImpl::get_remaining() const { - xbt_assert(host_ != nullptr, "Calling remains() on a parallel execution is not allowed. " - "We would need to return a vector instead of a scalar. " - "Did you mean remainingRatio() instead?"); - return surf_action_ ? surf_action_->get_remains() : 0; } -double simgrid::kernel::activity::ExecImpl::get_remaining_ratio() +double ExecImpl::get_seq_remaining_ratio() { - if (host_ == - nullptr) // parallel task: their remain is already between 0 and 1 (see comment in ExecImpl::get_remaining()) - return surf_action_->get_remains(); - else // Actually compute the ratio for sequential tasks - return surf_action_->get_remains() / surf_action_->get_cost(); + return (surf_action_ == nullptr) ? 0 : surf_action_->get_remains() / surf_action_->get_cost(); } -void simgrid::kernel::activity::ExecImpl::set_bound(double bound) +double ExecImpl::get_par_remaining_ratio() +{ + // parallel task: their remain is already between 0 and 1 + return (surf_action_ == nullptr) ? 0 : surf_action_->get_remains(); +} + +void ExecImpl::set_bound(double bound) { if (surf_action_) surf_action_->set_bound(bound); } -void simgrid::kernel::activity::ExecImpl::set_priority(double priority) +void ExecImpl::set_priority(double priority) { if (surf_action_) surf_action_->set_priority(priority); } -void simgrid::kernel::activity::ExecImpl::post() +void ExecImpl::post() { - if (host_ && host_->is_off()) { /* FIXME: handle resource failure for parallel tasks too */ + if (host_ && not host_->is_on()) { /* FIXME: handle resource failure for parallel tasks too */ /* If the host running the synchro failed, notice it. This way, the asking * process can be killed if it runs on that host itself */ state_ = SIMIX_FAILED; - } else if (surf_action_ && surf_action_->get_state() == simgrid::kernel::resource::Action::State::FAILED) { + } else if (surf_action_ && surf_action_->get_state() == resource::Action::State::FAILED) { /* If the host running the synchro didn't fail, then the synchro was canceled */ state_ = SIMIX_CANCELED; - } else if (timeout_detector_ && - timeout_detector_->get_state() == simgrid::kernel::resource::Action::State::FINISHED) { + } else if (timeout_detector_ && timeout_detector_->get_state() == resource::Action::State::FINISHED) { state_ = SIMIX_TIMEOUT; } else { state_ = SIMIX_DONE; } + on_completion(*this); + if (surf_action_) { surf_action_->unref(); surf_action_ = nullptr; @@ -111,19 +176,63 @@ void simgrid::kernel::activity::ExecImpl::post() timeout_detector_ = nullptr; } - on_completion(this); /* If there are simcalls associated with the synchro, then answer them */ if (not simcalls_.empty()) - SIMIX_execution_finish(this); + finish(); } -simgrid::kernel::activity::ActivityImpl* -simgrid::kernel::activity::ExecImpl::migrate(simgrid::s4u::Host* to) +void ExecImpl::finish() { + while (not simcalls_.empty()) { + smx_simcall_t simcall = simcalls_.front(); + simcalls_.pop_front(); + switch (state_) { + + case SIMIX_DONE: + /* do nothing, synchro done */ + XBT_DEBUG("ExecImpl::finish(): execution successful"); + break; + + case SIMIX_FAILED: + XBT_DEBUG("ExecImpl::finish(): host '%s' failed", simcall->issuer->get_host()->get_cname()); + simcall->issuer->context_->iwannadie = true; + if (simcall->issuer->get_host()->is_on()) + simcall->issuer->exception_ = + std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed")); + /* else, the actor will be killed with no possibility to survive */ + break; + + case SIMIX_CANCELED: + XBT_DEBUG("ExecImpl::finish(): execution canceled"); + simcall->issuer->exception_ = + std::make_exception_ptr(simgrid::CancelException(XBT_THROW_POINT, "Execution Canceled")); + break; + + case SIMIX_TIMEOUT: + XBT_DEBUG("ExecImpl::finish(): execution timeouted"); + simcall->issuer->exception_ = std::make_exception_ptr(simgrid::TimeoutError(XBT_THROW_POINT, "Timeouted")); + break; + default: + xbt_die("Internal error in ExecImpl::finish(): unexpected synchro state %d", static_cast(state_)); + } + + simcall->issuer->waiting_synchro = nullptr; + simcall_execution_wait__set__result(simcall, state_); + + /* Fail the process if the host is down */ + if (simcall->issuer->get_host()->is_on()) + SIMIX_simcall_answer(simcall); + else + simcall->issuer->context_->iwannadie = true; + } +} + +ActivityImpl* ExecImpl::migrate(s4u::Host* to) +{ if (not MC_is_active() && not MC_record_replay_is_active()) { - simgrid::kernel::resource::Action* old_action = this->surf_action_; - simgrid::kernel::resource::Action* new_action = to->pimpl_cpu->execution_start(old_action->get_cost()); + resource::Action* old_action = this->surf_action_; + resource::Action* new_action = to->pimpl_cpu->execution_start(old_action->get_cost()); new_action->set_remains(old_action->get_remains()); new_action->set_data(this); new_action->set_priority(old_action->get_priority()); @@ -137,14 +246,17 @@ simgrid::kernel::activity::ExecImpl::migrate(simgrid::s4u::Host* to) this->surf_action_ = new_action; } - on_migration(this, to); + on_migration(*this, to); return this; } /************* * Callbacks * *************/ -simgrid::xbt::signal simgrid::kernel::activity::ExecImpl::on_creation; -simgrid::xbt::signal simgrid::kernel::activity::ExecImpl::on_completion; -simgrid::xbt::signal - simgrid::kernel::activity::ExecImpl::on_migration; +xbt::signal ExecImpl::on_creation; +xbt::signal ExecImpl::on_completion; +xbt::signal ExecImpl::on_migration; + +} // namespace activity +} // namespace kernel +} // namespace simgrid