X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2807fde4fd1f59c230d69a934634c5dfb77905f2..1c75860aa49dbde3f251678a7d00a2e27660efa8:/src/kernel/activity/ExecImpl.cpp diff --git a/src/kernel/activity/ExecImpl.cpp b/src/kernel/activity/ExecImpl.cpp index 95a4e38e6a..cfdf73e8e1 100644 --- a/src/kernel/activity/ExecImpl.cpp +++ b/src/kernel/activity/ExecImpl.cpp @@ -1,79 +1,319 @@ -/* Copyright (c) 2007-2017. 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 "simgrid/s4u/Host.hpp" - #include "src/kernel/activity/ExecImpl.hpp" -#include "src/simix/smx_host_private.hpp" +#include "simgrid/Exception.hpp" +#include "simgrid/modelchecker.h" +#include "src/mc/mc_replay.hpp" +#include "src/surf/HostImpl.hpp" +#include "src/surf/cpu_interface.hpp" #include "src/surf/surf_interface.hpp" +#include "simgrid/s4u/Host.hpp" + +#include + XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process); -simgrid::kernel::activity::ExecImpl::ExecImpl(const char* name, sg_host_t host) : host_(host) +void simcall_HANDLER_execution_wait(smx_simcall_t simcall, simgrid::kernel::activity::ExecImpl* synchro) +{ + XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro, (int)synchro->state_); + + /* Associate this simcall to the synchro */ + synchro->register_simcall(simcall); + + /* set surf's synchro */ + if (MC_is_active() || MC_record_replay_is_active()) { + synchro->state_ = SIMIX_DONE; + synchro->finish(); + return; + } + + /* If the synchro is already finished then perform the error handling */ + if (synchro->state_ != SIMIX_RUNNING) + synchro->finish(); +} + +void simcall_HANDLER_execution_test(smx_simcall_t simcall, simgrid::kernel::activity::ExecImpl* synchro) +{ + bool res = (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING); + if (res) { + synchro->simcalls_.push_back(simcall); + synchro->finish(); + } else { + simcall->issuer->simcall_answer(); + } + simcall_execution_test__set__result(simcall, res); +} + +void simcall_HANDLER_execution_waitany_for(smx_simcall_t simcall, simgrid::kernel::activity::ExecImpl* execs[], + size_t count, double timeout) { - if (name) - this->name = name; - this->state = SIMIX_RUNNING; - XBT_DEBUG("Create exec %p", this); + if (timeout < 0.0) { + simcall->timeout_cb = nullptr; + } else { + simcall->timeout_cb = simgrid::simix::Timer::set(SIMIX_get_clock() + timeout, [simcall, execs, count]() { + for (size_t i = 0; i < count; i++) { + // Remove the first occurence of simcall: + auto* exec = execs[i]; + auto j = boost::range::find(exec->simcalls_, simcall); + if (j != exec->simcalls_.end()) + exec->simcalls_.erase(j); + } + simcall_execution_waitany_for__set__result(simcall, -1); + simcall->issuer->simcall_answer(); + }); + } + + for (size_t i = 0; i < count; i++) { + /* associate this simcall to the the synchro */ + auto* exec = execs[i]; + exec->simcalls_.push_back(simcall); + + /* see if the synchro is already finished */ + if (exec->state_ != SIMIX_WAITING && exec->state_ != SIMIX_RUNNING) { + exec->finish(); + break; + } + } } -simgrid::kernel::activity::ExecImpl::~ExecImpl() +namespace simgrid { +namespace kernel { +namespace activity { + +ExecImpl::~ExecImpl() { - if (surf_exec) - surf_exec->unref(); - if (timeoutDetector) - timeoutDetector->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) +{ + if (not hosts_.empty()) + hosts_.clear(); + hosts_.push_back(host); + return *this; +} + +ExecImpl& ExecImpl::set_hosts(const std::vector& hosts) +{ + hosts_ = hosts; + return *this; +} + +ExecImpl& ExecImpl::set_timeout(double timeout) +{ + if (timeout > 0 && not MC_is_active() && not MC_record_replay_is_active()) { + timeout_detector_ = hosts_.front()->pimpl_cpu->sleep(timeout); + timeout_detector_->set_activity(this); + } + return *this; +} + +ExecImpl& ExecImpl::set_flops_amount(double flops_amount) +{ + if (not flops_amounts_.empty()) + flops_amounts_.clear(); + flops_amounts_.push_back(flops_amount); + return *this; +} + +ExecImpl& ExecImpl::set_flops_amounts(const std::vector& flops_amounts) +{ + flops_amounts_ = flops_amounts; + return *this; +} + +ExecImpl& ExecImpl::set_bytes_amounts(const std::vector& bytes_amounts) +{ + bytes_amounts_ = bytes_amounts; + + return *this; +} + +ExecImpl* ExecImpl::start() +{ + state_ = SIMIX_RUNNING; + if (not MC_is_active() && not MC_record_replay_is_active()) { + if (hosts_.size() == 1) { + surf_action_ = hosts_.front()->pimpl_cpu->execution_start(flops_amounts_.front()); + surf_action_->set_sharing_penalty(sharing_penalty_); + surf_action_->set_category(get_tracing_category()); + + if (bound_ > 0) + surf_action_->set_bound(bound_); + } else { + surf_action_ = surf_host_model->execute_parallel(hosts_, flops_amounts_.data(), bytes_amounts_.data(), -1); + } + surf_action_->set_activity(this); + } + + XBT_DEBUG("Create execute synchro %p: %s", this, get_cname()); + ExecImpl::on_creation(*this); + return this; +} + +double ExecImpl::get_seq_remaining_ratio() { - XBT_VERB("This exec is suspended (remain: %f)", surf_exec->getRemains()); - if (surf_exec) - surf_exec->suspend(); + return (surf_action_ == nullptr) ? 0 : surf_action_->get_remains() / surf_action_->get_cost(); } -void simgrid::kernel::activity::ExecImpl::resume() +double ExecImpl::get_par_remaining_ratio() { - XBT_VERB("This exec is resumed (remain: %f)", surf_exec->getRemains()); - if (surf_exec) - surf_exec->resume(); + // parallel task: their remain is already between 0 and 1 + return (surf_action_ == nullptr) ? 0 : surf_action_->get_remains(); } -double simgrid::kernel::activity::ExecImpl::remains() +ExecImpl& ExecImpl::set_bound(double bound) { - if (state == SIMIX_RUNNING) - return surf_exec->getRemains(); + bound_ = bound; + return *this; +} - return 0; +ExecImpl& ExecImpl::set_sharing_penalty(double sharing_penalty) +{ + sharing_penalty_ = sharing_penalty; + return *this; } -void simgrid::kernel::activity::ExecImpl::post() +void ExecImpl::post() { - if (host_ && host_->isOff()) { /* 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_exec->getState() == simgrid::surf::Action::State::failed) { + if (hosts_.size() == 1 && not hosts_.front()->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() == resource::Action::State::FAILED) { /* If the host running the synchro didn't fail, then the synchro was canceled */ - state = SIMIX_CANCELED; - } else if (timeoutDetector && timeoutDetector->getState() == simgrid::surf::Action::State::done) { - state = SIMIX_TIMEOUT; + state_ = SIMIX_CANCELED; + } else if (timeout_detector_ && timeout_detector_->get_state() == resource::Action::State::FINISHED) { + state_ = SIMIX_TIMEOUT; } else { - state = SIMIX_DONE; + state_ = SIMIX_DONE; } - if (surf_exec) { - surf_exec->unref(); - surf_exec = nullptr; - } - if (timeoutDetector) { - timeoutDetector->unref(); - timeoutDetector = nullptr; + on_completion(*this); + + clean_action(); + + if (timeout_detector_) { + timeout_detector_->unref(); + timeout_detector_ = nullptr; } /* If there are simcalls associated with the synchro, then answer them */ - if (not simcalls.empty()) - SIMIX_execution_finish(this); + if (not simcalls_.empty()) + finish(); +} + +void ExecImpl::finish() +{ + while (not simcalls_.empty()) { + smx_simcall_t 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 == SIMCALL_NONE) // FIXME: maybe a better way to handle this case + continue; // if process handling comm is killed + if (simcall->call == SIMCALL_EXECUTION_WAITANY_FOR) { + simgrid::kernel::activity::ExecImpl** execs = simcall_execution_waitany_for__get__execs(simcall); + size_t count = simcall_execution_waitany_for__get__count(simcall); + + for (size_t i = 0; i < count; i++) { + // Remove the first occurence of simcall: + auto* exec = execs[i]; + auto j = boost::range::find(exec->simcalls_, simcall); + if (j != exec->simcalls_.end()) + exec->simcalls_.erase(j); + + if (simcall->timeout_cb) { + simcall->timeout_cb->remove(); + simcall->timeout_cb = nullptr; + } + } + + if (not MC_is_active() && not MC_record_replay_is_active()) { + ExecImpl** element = std::find(execs, execs + count, this); + int rank = (element != execs + count) ? element - execs : -1; + simcall_execution_waitany_for__set__result(simcall, rank); + } + } + + 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::TimeoutException(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; + /* Fail the process if the host is down */ + if (simcall->issuer->get_host()->is_on()) + simcall->issuer->simcall_answer(); + else + simcall->issuer->context_->iwannadie = true; + } +} + +ActivityImpl* ExecImpl::migrate(s4u::Host* to) +{ + if (not MC_is_active() && not MC_record_replay_is_active()) { + 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_activity(this); + new_action->set_sharing_penalty(old_action->get_sharing_penalty()); + + // FIXME: the user-defined bound seem to not be kept by LMM, that seem to overwrite it for the multi-core modeling. + // I hope that the user did not provide any. + + old_action->set_activity(nullptr); + old_action->cancel(); + old_action->unref(); + this->surf_action_ = new_action; + } + + on_migration(*this, to); + return this; } + +/************* + * Callbacks * + *************/ +xbt::signal ExecImpl::on_creation; +xbt::signal ExecImpl::on_completion; +xbt::signal ExecImpl::on_migration; + +} // namespace activity +} // namespace kernel +} // namespace simgrid