#include "src/kernel/EngineImpl.hpp"
#include "mc/mc.h"
#include "simgrid/Exception.hpp"
+#include "simgrid/kernel/Timer.hpp"
#include "simgrid/kernel/routing/NetPoint.hpp"
#include "simgrid/kernel/routing/NetZoneImpl.hpp"
#include "simgrid/s4u/Host.hpp"
#include "src/mc/mc_record.hpp"
#include "src/mc/mc_replay.hpp"
#include "src/simix/smx_private.hpp"
+#include "src/smpi/include/smpi_actor.hpp"
#include "src/surf/network_interface.hpp"
#include "src/surf/xml/platf.hpp" // FIXME: KILLME. There must be a better way than mimicking XML here
"When non-negative, raise a SIGTRAP after given (simulated) time", -1.0};
EngineImpl::~EngineImpl()
{
+
+ while (not timer::kernel_timers().empty()) {
+ delete timer::kernel_timers().top().second;
+ timer::kernel_timers().pop();
+ }
+
/* Since hosts_ is a std::map, the hosts are destroyed in the lexicographic order, which ensures that the output is
* reproducible.
*/
for (auto const& kv : links_)
if (kv.second)
kv.second->destroy();
+
+ /* Free the remaining data structures */
+#if SIMGRID_HAVE_MC
+ xbt_dynar_free(&actors_vector_);
+ xbt_dynar_free(&dead_actors_vector_);
+#endif
}
void EngineImpl::load_deployment(const std::string& file) const
}
}
}
+/**
+ * @brief Executes the actors in actors_to_run.
+ *
+ * The actors in actors_to_run are run (in parallel if possible). On exit, actors_to_run is empty, and actors_that_ran
+ * contains the list of actors that just ran. The two lists are swapped so, be careful when using them before and after
+ * a call to this function.
+ */
+void EngineImpl::run_all_actors()
+{
+ simix_global->context_factory->run_all();
+
+ actors_to_run_.swap(actors_that_ran_);
+ actors_to_run_.clear();
+}
+actor::ActorImpl* EngineImpl::get_actor_by_pid(aid_t pid)
+{
+ auto item = actor_list_.find(pid);
+ if (item != actor_list_.end())
+ return item->second;
+
+ // Search the trash
+ for (auto& a : actors_to_destroy_)
+ if (a.get_pid() == pid)
+ return &a;
+ return nullptr; // Not found, even in the trash
+}
/** Execute all the tasks that are queued, e.g. `.then()` callbacks of futures. */
bool EngineImpl::execute_tasks()
{
return true;
}
-void EngineImpl::rm_daemon(actor::ActorImpl* actor)
+void EngineImpl::remove_daemon(actor::ActorImpl* actor)
{
auto it = daemons_.find(actor);
xbt_assert(it != daemons_.end(), "The dying daemon is not a daemon after all. Please report that bug.");
daemons_.erase(it);
}
+void EngineImpl::add_actor_to_run_list_no_check(actor::ActorImpl* actor)
+{
+ XBT_DEBUG("Inserting [%p] %s(%s) in the to_run list", actor, actor->get_cname(), actor->get_host()->get_cname());
+ actors_to_run_.push_back(actor);
+}
+
+void EngineImpl::add_actor_to_run_list(actor::ActorImpl* actor)
+{
+ if (std::find(begin(actors_to_run_), end(actors_to_run_), actor) != end(actors_to_run_)) {
+ XBT_DEBUG("Actor %s is already in the to_run list", actor->get_cname());
+ } else {
+ XBT_DEBUG("Inserting [%p] %s(%s) in the to_run list", actor, actor->get_cname(), actor->get_host()->get_cname());
+ actors_to_run_.push_back(actor);
+ }
+}
+void EngineImpl::empty_trash()
+{
+ while (not actors_to_destroy_.empty()) {
+ actor::ActorImpl* actor = &actors_to_destroy_.front();
+ actors_to_destroy_.pop_front();
+ XBT_DEBUG("Getting rid of %s (refcount: %d)", actor->get_cname(), actor->get_refcount());
+ intrusive_ptr_release(actor);
+ }
+#if SIMGRID_HAVE_MC
+ xbt_dynar_reset(dead_actors_vector_);
+#endif
+}
+
+void EngineImpl::display_all_actor_status() const
+{
+ XBT_INFO("%zu actors are still running, waiting for something.", actor_list_.size());
+ /* List the actors and their state */
+ XBT_INFO("Legend of the following listing: \"Actor <pid> (<name>@<host>): <status>\"");
+ for (auto const& kv : actor_list_) {
+ actor::ActorImpl* actor = kv.second;
+
+ if (actor->waiting_synchro_) {
+ const char* synchro_description = "unknown";
+
+ if (boost::dynamic_pointer_cast<kernel::activity::ExecImpl>(actor->waiting_synchro_) != nullptr)
+ synchro_description = "execution";
+
+ if (boost::dynamic_pointer_cast<kernel::activity::CommImpl>(actor->waiting_synchro_) != nullptr)
+ synchro_description = "communication";
+
+ if (boost::dynamic_pointer_cast<kernel::activity::SleepImpl>(actor->waiting_synchro_) != nullptr)
+ synchro_description = "sleeping";
+
+ if (boost::dynamic_pointer_cast<kernel::activity::RawImpl>(actor->waiting_synchro_) != nullptr)
+ synchro_description = "synchronization";
+
+ if (boost::dynamic_pointer_cast<kernel::activity::IoImpl>(actor->waiting_synchro_) != nullptr)
+ synchro_description = "I/O";
+
+ XBT_INFO("Actor %ld (%s@%s): waiting for %s activity %#zx (%s) in state %d to finish", actor->get_pid(),
+ actor->get_cname(), actor->get_host()->get_cname(), synchro_description,
+ (xbt_log_no_loc ? (size_t)0xDEADBEEF : (size_t)actor->waiting_synchro_.get()),
+ actor->waiting_synchro_->get_cname(), (int)actor->waiting_synchro_->state_);
+ } else {
+ XBT_INFO("Actor %ld (%s@%s) simcall %s", actor->get_pid(), actor->get_cname(), actor->get_host()->get_cname(),
+ SIMIX_simcall_name(actor->simcall_));
+ }
+ }
+}
+
void EngineImpl::run()
{
if (MC_record_replay_is_active()) {
double time = 0;
do {
- XBT_DEBUG("New Schedule Round; size(queue)=%zu", simix_global->actors_to_run.size());
+ XBT_DEBUG("New Schedule Round; size(queue)=%zu", actors_to_run_.size());
if (cfg_breakpoint >= 0.0 && surf_get_clock() >= cfg_breakpoint) {
XBT_DEBUG("Breakpoint reached (%g)", cfg_breakpoint.get());
execute_tasks();
- while (not simix_global->actors_to_run.empty()) {
- XBT_DEBUG("New Sub-Schedule Round; size(queue)=%zu", simix_global->actors_to_run.size());
+ while (not actors_to_run_.empty()) {
+ XBT_DEBUG("New Sub-Schedule Round; size(queue)=%zu", actors_to_run_.size());
- /* Run all processes that are ready to run, possibly in parallel */
- simix_global->run_all_actors();
+ /* Run all actors that are ready to run, possibly in parallel */
+ run_all_actors();
/* answer sequentially and in a fixed arbitrary order all the simcalls that were issued during that sub-round */
* That would thus be a pure waste of time.
*/
- for (auto const& actor : simix_global->actors_that_ran) {
+ for (auto const& actor : actors_that_ran_) {
if (actor->simcall_.call_ != simix::Simcall::NONE) {
actor->simcall_handle(0);
}
wake_all_waiting_actors();
} while (execute_tasks());
- /* If only daemon processes remain, cancel their actions, mark them to die and reschedule them */
- if (simix_global->process_list.size() == daemons_.size())
+ /* If only daemon actors remain, cancel their actions, mark them to die and reschedule them */
+ if (actor_list_.size() == daemons_.size())
for (auto const& dmon : daemons_) {
XBT_DEBUG("Kill %s", dmon->get_cname());
simix_global->maestro_->kill(dmon);
}
time = timer::Timer::next();
- if (time > -1.0 || not simix_global->process_list.empty()) {
+ if (time > -1.0 || not actor_list_.empty()) {
XBT_DEBUG("Calling surf_solve");
time = surf_solve(time);
XBT_DEBUG("Moving time ahead : %g", time);
/* Notify all the hosts that have failed */
/* FIXME: iterate through the list of failed host and mark each of them */
- /* as failed. On each host, signal all the running processes with host_fail */
+ /* as failed. On each host, signal all the running actors with host_fail */
// Execute timers and tasks until there isn't anything to be done:
bool again = false;
} while (again);
/* Clean actors to destroy */
- simix_global->empty_trash();
+ empty_trash();
- XBT_DEBUG("### time %f, #processes %zu, #to_run %zu", time, simix_global->process_list.size(),
- simix_global->actors_to_run.size());
+ XBT_DEBUG("### time %f, #actors %zu, #to_run %zu", time, actor_list_.size(), actors_to_run_.size());
- if (time < 0. && simix_global->actors_to_run.empty() && not simix_global->process_list.empty()) {
- if (simix_global->process_list.size() <= daemons_.size()) {
+ if (time < 0. && actors_to_run_.empty() && not actor_list_.empty()) {
+ if (actor_list_.size() <= daemons_.size()) {
XBT_CRITICAL("Oops! Daemon actors cannot do any blocking activity (communications, synchronization, etc) "
"once the simulation is over. Please fix your on_exit() functions.");
} else {
XBT_CRITICAL("Oops! Deadlock or code not perfectly clean.");
}
- simix_global->display_all_actor_status();
+ display_all_actor_status();
simgrid::s4u::Engine::on_deadlock();
- for (auto const& kv : simix_global->process_list) {
+ for (auto const& kv : actor_list_) {
XBT_DEBUG("Kill %s", kv.second->get_cname());
simix_global->maestro_->kill(kv.second);
}
}
- } while (time > -1.0 || not simix_global->actors_to_run.empty());
+ } while (time > -1.0 || has_actors_to_run());
- if (not simix_global->process_list.empty())
+ if (not actor_list_.empty())
THROW_IMPOSSIBLE;
simgrid::s4u::Engine::on_simulation_end();
