-/* Copyright (c) 2008-2022. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2008-2023. 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 "src/mc/mc_base.hpp"
-#include "mc/mc.h"
#include "src/kernel/EngineImpl.hpp"
#include "src/kernel/activity/CommImpl.hpp"
#include "src/kernel/activity/MutexImpl.hpp"
#include "src/kernel/actor/SimcallObserver.hpp"
+#include "src/mc/api/RemoteApp.hpp"
+#include "src/mc/mc.h"
#include "src/mc/mc_config.hpp"
#include "src/mc/mc_replay.hpp"
+#include "src/mc/remote/AppSide.hpp"
-#include "xbt/random.hpp"
-
-#if SIMGRID_HAVE_MC
-#include "src/mc/ModelChecker.hpp"
-#include "src/mc/Session.hpp"
-#include "src/mc/remote/RemoteProcess.hpp"
-
-using simgrid::mc::remote;
+#if SIMGRID_HAVE_STATEFUL_MC
+#include "src/mc/sosp/RemoteProcessMemory.hpp"
#endif
XBT_LOG_NEW_DEFAULT_CATEGORY(mc, "All MC categories");
+bool simgrid_mc_replay_show_backtraces = false;
-int MC_random(int min, int max)
-{
-#if SIMGRID_HAVE_MC
- xbt_assert(mc_model_checker == nullptr);
-#endif
- if (not MC_is_active() && not MC_record_replay_is_active()) { // no need to do a simcall in this case
- static simgrid::xbt::random::XbtRandom prng;
- return prng.uniform_int(min, max);
- }
- simgrid::kernel::actor::RandomSimcall observer{simgrid::kernel::actor::ActorImpl::self(), min, max};
- return simgrid::kernel::actor::simcall([&observer] { return observer.get_value(); }, &observer);
-}
-
-namespace simgrid {
-namespace mc {
+namespace simgrid::mc {
void execute_actors()
{
auto* engine = kernel::EngineImpl::get_instance();
-#if SIMGRID_HAVE_MC
- xbt_assert(mc_model_checker == nullptr, "This must be called from the client");
-#endif
+
+ XBT_DEBUG("execute_actors: %lu of %zu to run (%s)", engine->get_actor_to_run_count(), engine->get_actor_count(),
+ (MC_record_replay_is_active() ? "replay active" : "no replay"));
while (engine->has_actors_to_run()) {
engine->run_all_actors();
for (auto const& actor : engine->get_actors_that_ran()) {
- const s_smx_simcall* req = &actor->simcall_;
- if (req->call_ != simix::Simcall::NONE && not simgrid::mc::request_is_visible(req))
+ const kernel::actor::Simcall* req = &actor->simcall_;
+ if (req->call_ != kernel::actor::Simcall::Type::NONE && not simgrid::mc::request_is_visible(req))
actor->simcall_handle(0);
}
}
-#if SIMGRID_HAVE_MC
- engine->reset_actor_dynar();
- for (auto const& kv : engine->get_actor_list()) {
- auto actor = kv.second;
- if (actor->simcall_.observer_ != nullptr)
- actor->simcall_.mc_max_consider_ = actor->simcall_.observer_->get_max_consider();
- engine->add_actor_to_dynar(actor);
- }
-#endif
}
/** @brief returns if there this transition can proceed in a finite amount of time
* - if the wait will succeed immediately (if both peer of the comm are there already or if the mutex is available)
* - if a timeout is provided, because we can fire the timeout if the transition is not ready without blocking in this
* transition for ever.
- *
+ * This is controlled in the is_enabled() method of the corresponding observers.
*/
-// Called from both MCer and MCed:
-bool actor_is_enabled(smx_actor_t actor)
+bool actor_is_enabled(kernel::actor::ActorImpl* actor)
{
-// #del
-#if SIMGRID_HAVE_MC
- // If in the MCer, ask the client app since it has all the data
- if (mc_model_checker != nullptr) {
- return simgrid::mc::session_singleton->actor_is_enabled(actor->get_pid());
- }
-#endif
-// #
+ xbt_assert(simgrid::mc::model_checking_mode != simgrid::mc::ModelCheckingMode::CHECKER_SIDE,
+ "This should be called from the client side");
// Now, we are in the client app, no need for remote memory reading.
- smx_simcall_t req = &actor->simcall_;
+ kernel::actor::Simcall* req = &actor->simcall_;
if (req->observer_ != nullptr)
return req->observer_->is_enabled();
- using simix::Simcall;
- switch (req->call_) {
- case Simcall::NONE:
- return false;
-
- case Simcall::COMM_WAIT: {
- /* FIXME: check also that src and dst processes are not suspended */
- const kernel::activity::CommImpl* act = simcall_comm_wait__getraw__comm(req);
-
- if (act->src_timeout_ || act->dst_timeout_) {
- /* If it has a timeout it will be always be enabled (regardless of who declared the timeout),
- * because even if the communication is not ready, it can timeout and won't block. */
- if (_sg_mc_timeout == 1)
- return true;
- }
- /* On the other hand if it hasn't a timeout, check if the comm is ready.*/
- else if (act->detached() && act->src_actor_ == nullptr &&
- act->get_state() == simgrid::kernel::activity::State::READY)
- return (act->dst_actor_ != nullptr);
- return (act->src_actor_ && act->dst_actor_);
- }
-
- case Simcall::COMM_WAITANY: {
- simgrid::kernel::activity::CommImpl** comms = simcall_comm_waitany__get__comms(req);
- size_t count = simcall_comm_waitany__get__count(req);
- for (unsigned int index = 0; index < count; ++index) {
- auto const* comm = comms[index];
- if (comm->src_actor_ && comm->dst_actor_)
- return true;
- }
- return false;
- }
-
- default:
- /* The rest of the requests are always enabled */
- return true;
- }
+ if (req->call_ == kernel::actor::Simcall::Type::NONE)
+ return false;
+ else
+ /* The rest of the requests are always enabled */
+ return true;
}
/* This is the list of requests that are visible from the checker algorithm.
* Any other requests are handled right away on the application side.
*/
-bool request_is_visible(const s_smx_simcall* req)
+bool request_is_visible(const kernel::actor::Simcall* req)
{
-#if SIMGRID_HAVE_MC
- xbt_assert(mc_model_checker == nullptr, "This should be called from the client side");
-#endif
- if (req->observer_ != nullptr)
- return req->observer_->is_visible();
+ xbt_assert(simgrid::mc::model_checking_mode != simgrid::mc::ModelCheckingMode::CHECKER_SIDE,
+ "This should be called from the client side");
- using simix::Simcall;
- return req->call_ == Simcall::COMM_ISEND || req->call_ == Simcall::COMM_IRECV || req->call_ == Simcall::COMM_WAIT ||
- req->call_ == Simcall::COMM_WAITANY || req->call_ == Simcall::COMM_TEST || req->call_ == Simcall::COMM_TESTANY;
+ if (req->observer_ == nullptr)
+ return false;
+ return req->observer_->is_visible();
}
-}
-}
+} // namespace simgrid::mc
