-/* 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"
+
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->simcalls_.push_back(simcall);
+ simcall->issuer->waiting_synchro = synchro;
+
+ /* 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)
{
- if (name)
- this->name = name;
- this->state = SIMIX_RUNNING;
- XBT_DEBUG("Create exec %p", this);
+ 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);
}
-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)
+{
+ host_ = host;
+ return *this;
+}
+
+ExecImpl& ExecImpl::set_name(const std::string& name)
+{
+ 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;
+}
+
+ExecImpl* ExecImpl::start(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
+ const std::vector<double>& 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 is suspended (remain: %f)", surf_exec->getRemains());
- if (surf_exec)
- surf_exec->suspend();
+ XBT_VERB("This exec %p is canceled", this);
+ if (surf_action_ != nullptr)
+ surf_action_->cancel();
}
-void simgrid::kernel::activity::ExecImpl::resume()
+double ExecImpl::get_remaining() const
{
- XBT_VERB("This exec is resumed (remain: %f)", surf_exec->getRemains());
- if (surf_exec)
- surf_exec->resume();
+ return surf_action_ ? surf_action_->get_remains() : 0;
}
-double simgrid::kernel::activity::ExecImpl::remains()
+double ExecImpl::get_seq_remaining_ratio()
{
- if (state == SIMIX_RUNNING)
- return surf_exec->getRemains();
+ 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
+ return (surf_action_ == nullptr) ? 0 : surf_action_->get_remains();
+}
- return 0;
+void ExecImpl::set_bound(double bound)
+{
+ if (surf_action_)
+ surf_action_->set_bound(bound);
+}
+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_->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 (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() == 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;
+ on_completion(*this);
+
+ if (surf_action_) {
+ surf_action_->unref();
+ surf_action_ = nullptr;
}
- if (timeoutDetector) {
- timeoutDetector->unref();
- timeoutDetector = nullptr;
+ 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();
+ 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<int>(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()) {
+ 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());
+
+ // 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_data(nullptr);
+ old_action->cancel();
+ old_action->unref();
+ this->surf_action_ = new_action;
+ }
+
+ on_migration(*this, to);
+ return this;
}
+
+/*************
+ * Callbacks *
+ *************/
+xbt::signal<void(ExecImpl&)> ExecImpl::on_creation;
+xbt::signal<void(ExecImpl const&)> ExecImpl::on_completion;
+xbt::signal<void(ExecImpl const&, s4u::Host*)> ExecImpl::on_migration;
+
+} // namespace activity
+} // namespace kernel
+} // namespace simgrid
