-/* Copyright (c) 2007-2021. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2022. 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/Exception.hpp>
+#include <simgrid/kernel/routing/NetPoint.hpp>
+#include <simgrid/modelchecker.h>
+#include <simgrid/s4u/Engine.hpp>
+
#include "src/kernel/activity/ExecImpl.hpp"
-#include "simgrid/Exception.hpp"
-#include "simgrid/kernel/routing/NetPoint.hpp"
-#include "simgrid/modelchecker.h"
-#include "simgrid/s4u/Engine.hpp"
-#include "simgrid/s4u/Exec.hpp"
+#include "src/kernel/actor/ActorImpl.hpp"
#include "src/kernel/actor/SimcallObserver.hpp"
+#include "src/kernel/resource/CpuImpl.hpp"
#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"
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process);
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_cpu, kernel, "Kernel cpu-related synchronization");
-namespace simgrid {
-namespace kernel {
-namespace activity {
+namespace simgrid::kernel::activity {
ExecImpl::ExecImpl()
{
piface_ = new s4u::Exec(this);
actor::ActorImpl* self = actor::ActorImpl::self();
if (self) {
- actor_ = self;
+ set_actor(self);
self->activities_.emplace_back(this);
}
}
ExecImpl& ExecImpl::set_host(s4u::Host* host)
{
- hosts_.assign(1, host);
+ clear_hosts();
+ add_host(host);
return *this;
}
ExecImpl& ExecImpl::set_hosts(const std::vector<s4u::Host*>& hosts)
{
- hosts_ = hosts;
+ ActivityImpl::set_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_.reset(hosts_.front()->pimpl_cpu->sleep(timeout));
+ timeout_detector_.reset(get_host()->get_cpu()->sleep(timeout));
timeout_detector_->set_activity(this);
}
return *this;
return *this;
}
+ExecImpl& ExecImpl::set_thread_count(int thread_count)
+{
+ thread_count_ = thread_count;
+
+ return *this;
+}
ExecImpl* ExecImpl::start()
{
- state_ = State::RUNNING;
+ set_state(State::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_);
- surf_action_->set_user_bound(bound_);
+ if (get_hosts().size() == 1) {
+ if (thread_count_ == 1) {
+ surf_action_ = get_host()->get_cpu()->execution_start(flops_amounts_.front(), bound_);
+ surf_action_->set_sharing_penalty(sharing_penalty_);
+ } else {
+ auto host_model = get_host()->get_netpoint()->get_englobing_zone()->get_host_model();
+ surf_action_ = host_model->execute_thread(get_host(), flops_amounts_.front(), thread_count_);
}
+ surf_action_->set_category(get_tracing_category());
} else {
- // FIXME[donassolo]: verify if all hosts belongs to the same netZone?
- auto host_model = hosts_.front()->get_netpoint()->get_englobing_zone()->get_host_model();
- surf_action_ = host_model->execute_parallel(hosts_, flops_amounts_.data(), bytes_amounts_.data(), -1);
+ // get the model from first host since we have only 1 by now
+ auto host_model = get_host()->get_netpoint()->get_englobing_zone()->get_host_model();
+ surf_action_ = host_model->execute_parallel(get_hosts(), flops_amounts_.data(), bytes_amounts_.data(), -1);
}
surf_action_->set_activity(this);
- start_time_ = surf_action_->get_start_time();
+ set_start_time(surf_action_->get_start_time());
}
XBT_DEBUG("Create execute synchro %p: %s", this, get_cname());
return this;
}
+double ExecImpl::get_remaining() const
+{
+ if (get_state() == State::WAITING || get_state() == State::FAILED)
+ return flops_amounts_.front();
+ return ActivityImpl::get_remaining();
+}
+
double ExecImpl::get_seq_remaining_ratio()
{
+ if (get_state() == State::WAITING)
+ return 1;
return (surf_action_ == nullptr) ? 0 : surf_action_->get_remains() / surf_action_->get_cost();
}
double ExecImpl::get_par_remaining_ratio()
{
// parallel task: their remain is already between 0 and 1
+ if (get_state() == State::WAITING)
+ return 1;
return (surf_action_ == nullptr) ? 0 : surf_action_->get_remains();
}
return *this;
}
+ExecImpl& ExecImpl::update_sharing_penalty(double sharing_penalty)
+{
+ sharing_penalty_ = sharing_penalty;
+ surf_action_->set_sharing_penalty(sharing_penalty);
+ return *this;
+}
+
void ExecImpl::post()
{
xbt_assert(surf_action_ != nullptr);
- if (std::any_of(hosts_.begin(), hosts_.end(), [](const s4u::Host* host) { return not host->is_on(); })) {
+ auto hosts=get_hosts();
+ if (std::any_of(hosts.begin(), hosts.end(), [](const s4u::Host* host) { return not host->is_on(); })) {
/* If one of the hosts running the synchro failed, notice it. This way, the asking
* process can be killed if it runs on that host itself */
- state_ = State::FAILED;
+ set_state(State::FAILED);
} else if (surf_action_->get_state() == resource::Action::State::FAILED) {
/* If all the hosts are running the synchro didn't fail, then the synchro was canceled */
- state_ = State::CANCELED;
+ set_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;
+ set_state(State::TIMEOUT);
} else {
- state_ = State::DONE;
+ set_state(State::DONE);
}
} else {
- state_ = State::DONE;
+ set_state(State::DONE);
}
- finish_time_ = surf_action_->get_finish_time();
-
clean_action();
timeout_detector_.reset();
- if (actor_) {
- actor_->activities_.remove(this);
- actor_ = nullptr;
+ if (get_actor() != nullptr) {
+ get_actor()->activities_.remove(this);
}
+ if (get_state() != State::FAILED && cb_id_ >= 0)
+ s4u::Host::on_state_change.disconnect(cb_id_);
/* Answer all simcalls associated with the synchro */
finish();
}
+void ExecImpl::set_exception(actor::ActorImpl* issuer)
+{
+ switch (get_state()) {
+ case State::FAILED:
+ static_cast<s4u::Exec*>(get_iface())->complete(s4u::Activity::State::FAILED);
+ if (issuer->get_host()->is_on())
+ issuer->exception_ = std::make_exception_ptr(HostFailureException(XBT_THROW_POINT, "Host failed"));
+ else /* else, the actor will be killed with no possibility to survive */
+ issuer->set_wannadie();
+ break;
+
+ case State::CANCELED:
+ issuer->exception_ = std::make_exception_ptr(CancelException(XBT_THROW_POINT, "Execution Canceled"));
+ 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 ExecImpl::finish(): unexpected synchro state %s",
+ get_state_str());
+ }
+}
void ExecImpl::finish()
{
- XBT_DEBUG("ExecImpl::finish() in state %s", to_c_str(state_));
+ XBT_DEBUG("ExecImpl::finish() in state %s", get_state_str());
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<kernel::actor::ExecutionWaitanySimcall*>(simcall->observer_)) { // simcall is a wait_any?
- const auto& execs = observer->get_execs();
-
- for (auto* exec : execs) {
- exec->unregister_simcall(simcall);
+ if (simcall->call_ == actor::Simcall::Type::NONE) // FIXME: maybe a better way to handle this case
+ continue; // if process handling comm is killed
- if (simcall->timeout_cb_) {
- simcall->timeout_cb_->remove();
- simcall->timeout_cb_ = nullptr;
- }
- }
+ handle_activity_waitany(simcall);
- if (not MC_is_active() && not MC_record_replay_is_active()) {
- auto element = std::find(execs.begin(), execs.end(), this);
- int rank = element != execs.end() ? static_cast<int>(std::distance(execs.begin(), element)) : -1;
- observer->set_result(rank);
- }
- }
- switch (state_) {
- case State::FAILED:
- simcall->issuer_->context_->set_wannadie();
- if (simcall->issuer_->get_host()->is_on())
- simcall->issuer_->exception_ = std::make_exception_ptr(HostFailureException(XBT_THROW_POINT, "Host failed"));
- /* else, the actor will be killed with no possibility to survive */
- break;
-
- case State::CANCELED:
- simcall->issuer_->exception_ = std::make_exception_ptr(CancelException(XBT_THROW_POINT, "Execution 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 ExecImpl::finish(): unexpected synchro state %s",
- to_c_str(state_));
- }
+ set_exception(simcall->issuer_);
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_->set_wannadie();
+ simcall->issuer_->set_wannadie();
}
}
+void ExecImpl::reset()
+{
+ clear_hosts();
+ bytes_amounts_.clear();
+ flops_amounts_.clear();
+ set_start_time(-1.0);
+}
+
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());
+ resource::Action* new_action = to->get_cpu()->execution_start(old_action->get_cost(), old_action->get_user_bound());
new_action->set_remains(old_action->get_remains());
new_action->set_activity(this);
new_action->set_sharing_penalty(old_action->get_sharing_penalty());
return this;
}
-void ExecImpl::wait_any_for(actor::ActorImpl* issuer, const std::vector<ExecImpl*>& execs, 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, &execs]() {
- issuer->simcall_.timeout_cb_ = nullptr;
- for (auto* exec : execs)
- exec->unregister_simcall(&issuer->simcall_);
- // default result (-1) is set in actor::ExecutionWaitanySimcall
- issuer->simcall_answer();
- });
- }
-
- for (auto* exec : execs) {
- /* associate this simcall to the the synchro */
- exec->simcalls_.push_back(&issuer->simcall_);
-
- /* see if the synchro is already finished */
- if (exec->state_ != State::WAITING && exec->state_ != State::RUNNING) {
- exec->finish();
- break;
- }
- }
-}
-
/*************
* Callbacks *
*************/
xbt::signal<void(ExecImpl const&, s4u::Host*)> ExecImpl::on_migration;
-} // namespace activity
-} // namespace kernel
-} // namespace simgrid
+} // namespace simgrid::kernel::activity
