-/* Copyright (c) 2014-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2014-2023. 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_record.hpp"
+#include "src/kernel/EngineImpl.hpp"
#include "src/kernel/activity/CommImpl.hpp"
-#include "src/kernel/context/Context.hpp"
-#include "src/mc/Transition.hpp"
-#include "src/mc/mc_base.h"
+#include "src/mc/mc_base.hpp"
#include "src/mc/mc_replay.hpp"
+#include "src/mc/transition/Transition.hpp"
-#if SIMGRID_HAVE_MC
-#include "src/mc/checker/Checker.hpp"
-#include "src/mc/mc_private.hpp"
-#include "src/mc/mc_request.hpp"
-#include "src/mc/mc_smx.hpp"
-#include "src/mc/mc_state.hpp"
-#endif
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_record, mc, "Logging specific to MC record/replay facility");
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_record, mc,
- " Logging specific to MC record/replay facility");
+namespace simgrid::mc {
-namespace simgrid {
-namespace mc {
-
-void replay(RecordTrace const& trace)
+void RecordTrace::replay() const
{
- simgrid::mc::wait_for_requests();
-
- for (simgrid::mc::Transition const& transition : trace) {
- XBT_DEBUG("Executing %i$%i", transition.pid, transition.argument);
-
- // Choose a request:
- smx_actor_t process = SIMIX_process_from_PID(transition.pid);
- if (not process)
- xbt_die("Unexpected process (pid:%d).", transition.pid);
- smx_simcall_t simcall = &(process->simcall);
- if (not simcall || simcall->call == SIMCALL_NONE)
- xbt_die("No simcall for process %d.", transition.pid);
- if (not simgrid::mc::request_is_visible(simcall) || not simgrid::mc::actor_is_enabled(process))
- xbt_die("Unexpected simcall.");
+ simgrid::mc::execute_actors();
+ auto* engine = kernel::EngineImpl::get_instance();
+
+ int frame_count = 1;
+ if (xbt_log_no_loc)
+ XBT_INFO("The backtrace of each transition will not be shown because of --log=no_loc");
+ else
+ simgrid_mc_replay_show_backtraces = true;
+
+ for (const simgrid::mc::Transition* transition : transitions_) {
+ kernel::actor::ActorImpl* actor = engine->get_actor_by_pid(transition->aid_);
+ xbt_assert(actor != nullptr, "Unexpected actor (id:%ld).", transition->aid_);
+ const kernel::actor::Simcall* simcall = &(actor->simcall_);
+ xbt_assert(simgrid::mc::request_is_visible(simcall), "Simcall %s of actor %s is not visible.", simcall->get_cname(),
+ actor->get_cname());
+
+ XBT_INFO("***********************************************************************************");
+ XBT_INFO("* Path chunk #%d '%ld/%i' Actor %s(pid:%ld): %s", frame_count++, transition->aid_,
+ transition->times_considered_, simcall->issuer_->get_cname(), simcall->issuer_->get_pid(),
+ simcall->observer_->to_string().c_str());
+ XBT_INFO("***********************************************************************************");
+ if (not mc::actor_is_enabled(actor))
+ simgrid::kernel::EngineImpl::get_instance()->display_all_actor_status();
+
+ xbt_assert(simgrid::mc::actor_is_enabled(actor), "Actor %s (simcall %s) is not enabled.", actor->get_cname(),
+ simcall->get_cname());
// Execute the request:
- SIMIX_simcall_handle(simcall, transition.argument);
- simgrid::mc::wait_for_requests();
+ simcall->issuer_->simcall_handle(transition->times_considered_);
+ simgrid::mc::execute_actors();
+ }
+
+ const auto& actor_list = engine->get_actor_list();
+ if (actor_list.empty()) {
+ XBT_INFO("The replay of the trace is complete. The application is terminating.");
+ } else if (std::none_of(std::begin(actor_list), std::end(actor_list),
+ [](const auto& kv) { return mc::actor_is_enabled(kv.second); })) {
+ XBT_INFO("The replay of the trace is complete. DEADLOCK detected.");
+ engine->display_all_actor_status();
+ } else {
+ XBT_INFO("The replay of the trace is complete. The application could run further.");
}
}
-void replay(const std::string& path_string)
+void simgrid::mc::RecordTrace::replay(const std::string& path_string)
{
- simgrid::mc::processes_time.resize(SIMIX_process_get_maxpid());
- simgrid::mc::RecordTrace trace = simgrid::mc::parseRecordTrace(path_string.c_str());
- simgrid::mc::replay(trace);
+ simgrid::mc::processes_time.resize(kernel::actor::ActorImpl::get_maxpid());
+ simgrid::mc::RecordTrace trace(path_string.c_str());
+ trace.replay();
+ for (auto* item : trace.transitions_)
+ delete item;
simgrid::mc::processes_time.clear();
}
-RecordTrace parseRecordTrace(const char* data)
+simgrid::mc::RecordTrace::RecordTrace(const char* data)
{
- RecordTrace res;
XBT_INFO("path=%s", data);
if (data == nullptr || data[0] == '\0')
throw std::invalid_argument("Could not parse record path");
const char* current = data;
while (*current) {
+ long aid;
+ int times_considered = 0;
- simgrid::mc::Transition item;
- int count = sscanf(current, "%d/%d", &item.pid, &item.argument);
- if(count != 2 && count != 1)
+ if (int count = sscanf(current, "%ld/%d", &aid, ×_considered); count != 2 && count != 1)
throw std::invalid_argument("Could not parse record path");
- res.push_back(item);
+ push_back(new simgrid::mc::Transition(simgrid::mc::Transition::Type::UNKNOWN, aid, times_considered));
// Find next chunk:
const char* end = std::strchr(current, ';');
else
current = end + 1;
}
-
- return res;
}
-#if SIMGRID_HAVE_MC
-
-std::string traceToString(simgrid::mc::RecordTrace const& trace)
+std::string simgrid::mc::RecordTrace::to_string() const
{
std::ostringstream stream;
- for (auto i = trace.begin(); i != trace.end(); ++i) {
- if (i != trace.begin())
+ for (auto i = transitions_.begin(); i != transitions_.end(); ++i) {
+ if (*i == nullptr)
+ continue;
+ if (i != transitions_.begin())
stream << ';';
- stream << i->pid;
- if (i->argument)
- stream << '/' << i->argument;
+ stream << (*i)->aid_;
+ if ((*i)->times_considered_ > 0)
+ stream << '/' << (*i)->times_considered_;
}
return stream.str();
}
-
-void dumpRecordPath()
-{
- if (MC_record_is_active()) {
- RecordTrace trace = mc_model_checker->getChecker()->getRecordTrace();
- XBT_INFO("Path = %s", traceToString(trace).c_str());
- }
-}
-
-#endif
-
-}
-}
+} // namespace simgrid::mc
