-/* 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 "mc/mc.h"
#include "smx_private.hpp"
#include "src/kernel/activity/CommImpl.hpp"
+#include "src/kernel/activity/ExecImpl.hpp"
#include "src/mc/mc_replay.hpp"
#include "src/plugins/vm/VirtualMachineImpl.hpp"
-#include "src/surf/surf_interface.hpp"
-#include "xbt/ex.hpp"
-#include <algorithm>
+#include "src/simix/smx_host_private.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_host, simix, "SIMIX hosts");
-namespace simgrid {
- namespace simix {
- simgrid::xbt::Extension<simgrid::s4u::Host, Host> Host::EXTENSION_ID;
-
- Host::Host()
- {
- if (not Host::EXTENSION_ID.valid())
- Host::EXTENSION_ID = s4u::Host::extension_create<simix::Host>();
- }
-
- Host::~Host()
- {
- /* All processes should be gone when the host is turned off (by the end of the simulation). */
- if (not process_list.empty()) {
- std::string msg = std::string("Shutting down host, but it's not empty:");
- for (auto const& process : process_list)
- msg += "\n\t" + std::string(process.getName());
-
- SIMIX_display_process_status();
- THROWF(arg_error, 0, "%s", msg.c_str());
- }
- for (auto const& arg : auto_restart_processes)
- delete arg;
- auto_restart_processes.clear();
- for (auto const& arg : boot_processes)
- delete arg;
- boot_processes.clear();
- }
-
- /** Re-starts all the actors that are marked as restartable.
- *
- * Weird things will happen if you turn on an host that is already on. S4U is fool-proof, not this.
- */
- void Host::turnOn()
- {
- for (auto const& arg : boot_processes) {
- XBT_DEBUG("Booting Process %s(%s) right now", arg->name.c_str(), arg->host->getCname());
- smx_actor_t actor = simix_global->create_process_function(arg->name.c_str(), arg->code, nullptr, arg->host,
- arg->properties.get(), nullptr);
- if (arg->kill_time >= 0)
- simcall_process_set_kill_time(actor, arg->kill_time);
- if (arg->auto_restart)
- actor->auto_restart = arg->auto_restart;
- }
- }
-
-}} // namespaces
-
-/** @brief Stop the host if it is on */
-void SIMIX_host_off(sg_host_t h, smx_actor_t issuer)
-{
- simgrid::simix::Host* host = h->extension<simgrid::simix::Host>();
-
- xbt_assert((host != nullptr), "Invalid parameters");
-
- if (h->isOn()) {
- h->pimpl_cpu->turnOff();
-
- /* Clean Simulator data */
- if (not host->process_list.empty()) {
- for (auto& process : host->process_list) {
- SIMIX_process_kill(&process, issuer);
- XBT_DEBUG("Killing %s@%s on behalf of %s which turned off that host.", process.getCname(),
- process.host->getCname(), issuer->getCname());
- }
- }
- } else {
- XBT_INFO("Host %s is already off", h->getCname());
- }
-}
-
-sg_host_t sg_host_self()
-{
- smx_actor_t process = SIMIX_process_self();
- return (process == nullptr) ? nullptr : process->host;
-}
-
-/* needs to be public and without simcall for exceptions and logging events */
-const char* sg_host_self_get_name()
+simgrid::kernel::activity::ExecImplPtr
+SIMIX_execution_parallel_start(std::string name, int host_nb, const sg_host_t* host_list, const double* flops_amount,
+ const double* bytes_amount, double rate, double timeout)
{
- sg_host_t host = sg_host_self();
- if (host == nullptr || SIMIX_process_self() == simix_global->maestro_process)
- return "";
-
- return host->getCname();
-}
-
-/**
- * \brief Add a process to the list of the processes that the host will restart when it comes back
- * This function add a process to the list of the processes that will be restarted when the host comes
- * back. It is expected that this function is called when the host is down.
- * The processes will only be restarted once, meaning that you will have to register the process
- * again to restart the process again.
- */
-void SIMIX_host_add_auto_restart_process(sg_host_t host, const char* name, std::function<void()> code, void* data,
- double kill_time, std::map<std::string, std::string>* properties,
- int auto_restart)
-{
- smx_process_arg_t arg = new simgrid::simix::ProcessArg();
- arg->name = name;
- arg->code = std::move(code);
- arg->data = data;
- arg->host = host;
- arg->kill_time = kill_time;
- arg->properties.reset(properties, [](decltype(properties)) {});
- arg->auto_restart = auto_restart;
-
- if (host->isOff() && watched_hosts.find(host->getCname()) == watched_hosts.end()) {
- watched_hosts.insert(host->getCname());
- XBT_DEBUG("Push host %s to watched_hosts because state == SURF_RESOURCE_OFF", host->getCname());
- }
- host->extension<simgrid::simix::Host>()->auto_restart_processes.push_back(arg);
-}
-/** @brief Restart the list of processes that have been registered to the host */
-void SIMIX_host_autorestart(sg_host_t host)
-{
- std::vector<simgrid::simix::ProcessArg*> process_list =
- host->extension<simgrid::simix::Host>()->auto_restart_processes;
-
- for (auto const& arg : process_list) {
- XBT_DEBUG("Restarting Process %s@%s right now", arg->name.c_str(), arg->host->getCname());
- smx_actor_t actor = simix_global->create_process_function(arg->name.c_str(), arg->code, nullptr, arg->host,
- arg->properties.get(), nullptr);
- if (arg->kill_time >= 0)
- simcall_process_set_kill_time(actor, arg->kill_time);
- if (arg->auto_restart)
- actor->auto_restart = arg->auto_restart;
- }
- process_list.clear();
-}
-
-boost::intrusive_ptr<simgrid::kernel::activity::ExecImpl> simcall_HANDLER_execution_start(smx_simcall_t simcall,
- const char* name,
- double flops_amount,
- double priority, double bound)
-{
- return SIMIX_execution_start(simcall->issuer, name,flops_amount,priority,bound);
-}
-
-boost::intrusive_ptr<simgrid::kernel::activity::ExecImpl>
-SIMIX_execution_start(smx_actor_t issuer, const char* name, double flops_amount, double priority, double bound)
-{
-
- /* alloc structures and initialize */
- simgrid::kernel::activity::ExecImplPtr exec =
- simgrid::kernel::activity::ExecImplPtr(new simgrid::kernel::activity::ExecImpl(name, issuer->host));
-
- /* set surf's action */
- if (not MC_is_active() && not MC_record_replay_is_active()) {
-
- exec->surfAction_ = issuer->host->pimpl_cpu->execution_start(flops_amount);
- exec->surfAction_->setData(exec.get());
- exec->surfAction_->setSharingWeight(priority);
-
- if (bound > 0)
- static_cast<simgrid::surf::CpuAction*>(exec->surfAction_)->setBound(bound);
- }
-
- XBT_DEBUG("Create execute synchro %p: %s", exec.get(), exec->name.c_str());
-
- return exec;
-}
-
-boost::intrusive_ptr<simgrid::kernel::activity::ExecImpl>
-SIMIX_execution_parallel_start(const char* name, int host_nb, sg_host_t* host_list, double* flops_amount,
- double* bytes_amount, double rate, double timeout)
-{
-
- /* alloc structures and initialize */
- simgrid::kernel::activity::ExecImplPtr exec =
- simgrid::kernel::activity::ExecImplPtr(new simgrid::kernel::activity::ExecImpl(name, nullptr));
-
- /* Check that we are not mixing VMs and PMs in the parallel task */
- bool is_a_vm = (nullptr != dynamic_cast<simgrid::s4u::VirtualMachine*>(host_list[0]));
- for (int i = 1; i < host_nb; i++) {
- bool tmp_is_a_vm = (nullptr != dynamic_cast<simgrid::s4u::VirtualMachine*>(host_list[i]));
- xbt_assert(is_a_vm == tmp_is_a_vm, "parallel_execute: mixing VMs and PMs is not supported (yet).");
- }
+ simgrid::kernel::activity::ExecImplPtr exec = simgrid::kernel::activity::ExecImplPtr(
+ new simgrid::kernel::activity::ExecImpl(std::move(name), "", host_list[0], timeout));
/* set surf's synchro */
if (not MC_is_active() && not MC_record_replay_is_active()) {
- /* set surf's synchro */
- sg_host_t* host_list_cpy = new sg_host_t[host_nb];
- std::copy_n(host_list, host_nb, host_list_cpy);
- exec->surfAction_ = surf_host_model->executeParallelTask(host_nb, host_list_cpy, flops_amount, bytes_amount, rate);
- exec->surfAction_->setData(exec.get());
- if (timeout > 0) {
- exec->timeoutDetector = host_list[0]->pimpl_cpu->sleep(timeout);
- exec->timeoutDetector->setData(exec.get());
+ exec->surf_action_ = surf_host_model->execute_parallel(host_nb, host_list, flops_amount, bytes_amount, rate);
+ if (exec->surf_action_ != nullptr) {
+ exec->surf_action_->set_data(exec.get());
}
}
+
XBT_DEBUG("Create parallel execute synchro %p", exec.get());
return exec;
}
-void simcall_HANDLER_execution_wait(smx_simcall_t simcall, smx_activity_t synchro)
-{
- simgrid::kernel::activity::ExecImplPtr exec =
- boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(synchro);
- XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro.get(), (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;
- SIMIX_execution_finish(exec);
- return;
- }
-
- /* If the synchro is already finished then perform the error handling */
- if (synchro->state != SIMIX_RUNNING)
- SIMIX_execution_finish(exec);
-}
-
-void SIMIX_execution_finish(simgrid::kernel::activity::ExecImplPtr exec)
-{
- for (smx_simcall_t const& simcall : exec->simcalls) {
- switch (exec->state) {
-
- case SIMIX_DONE:
- /* do nothing, synchro done */
- XBT_DEBUG("SIMIX_execution_finished: execution successful");
- break;
-
- case SIMIX_FAILED:
- XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", simcall->issuer->host->getCname());
- simcall->issuer->context->iwannadie = 1;
- SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
- break;
-
- case SIMIX_CANCELED:
- XBT_DEBUG("SIMIX_execution_finished: execution canceled");
- SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Canceled");
- break;
-
- case SIMIX_TIMEOUT:
- XBT_DEBUG("SIMIX_execution_finished: execution timeouted");
- SMX_EXCEPTION(simcall->issuer, timeout_error, 0, "Timeouted");
- break;
-
- default:
- xbt_die("Internal error in SIMIX_execution_finish: unexpected synchro state %d",
- (int)exec->state);
- }
- /* Fail the process if the host is down */
- if (simcall->issuer->host->isOff())
- simcall->issuer->context->iwannadie = 1;
-
- simcall->issuer->waiting_synchro = nullptr;
- simcall_execution_wait__set__result(simcall, exec->state);
- SIMIX_simcall_answer(simcall);
- }
-}
-
-void SIMIX_set_category(smx_activity_t synchro, const char *category)
-{
- if (synchro->state != SIMIX_RUNNING)
- return;
-
- simgrid::kernel::activity::ExecImplPtr exec =
- boost::dynamic_pointer_cast<simgrid::kernel::activity::ExecImpl>(synchro);
- if (exec != nullptr) {
- exec->surfAction_->setCategory(category);
- return;
- }
-
- simgrid::kernel::activity::CommImplPtr comm =
- boost::dynamic_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
- if (comm != nullptr) {
- comm->surfAction_->setCategory(category);
- }
-}