1 /* Copyright (c) 2014-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "src/mc/mc_record.hpp"
7 #include "src/kernel/activity/CommImpl.hpp"
8 #include "src/kernel/context/Context.hpp"
9 #include "src/mc/Transition.hpp"
10 #include "src/mc/mc_base.hpp"
11 #include "src/mc/mc_replay.hpp"
14 #include "src/mc/checker/Checker.hpp"
15 #include "src/mc/mc_private.hpp"
16 #include "src/mc/mc_state.hpp"
19 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_record, mc, "Logging specific to MC record/replay facility");
24 void replay(RecordTrace const& trace)
26 simgrid::mc::execute_actors();
28 for (simgrid::mc::Transition const& transition : trace) {
29 XBT_DEBUG("Executing %ld$%i", transition.aid_, transition.times_considered_);
32 kernel::actor::ActorImpl* actor = kernel::actor::ActorImpl::by_pid(transition.aid_);
33 xbt_assert(actor != nullptr, "Unexpected actor (id:%ld).", transition.aid_);
34 const s_smx_simcall* simcall = &(actor->simcall_);
35 xbt_assert(simcall->call_ != simix::Simcall::NONE, "No simcall for process %ld.", transition.aid_);
36 xbt_assert(simgrid::mc::request_is_visible(simcall) && simgrid::mc::actor_is_enabled(actor), "Unexpected simcall.");
38 // Execute the request:
39 simcall->issuer_->simcall_handle(transition.times_considered_);
40 simgrid::mc::execute_actors();
44 void replay(const std::string& path_string)
46 simgrid::mc::processes_time.resize(simgrid::kernel::actor::get_maxpid());
47 simgrid::mc::RecordTrace trace = simgrid::mc::parseRecordTrace(path_string.c_str());
48 simgrid::mc::replay(trace);
49 simgrid::mc::processes_time.clear();
52 RecordTrace parseRecordTrace(const char* data)
55 XBT_INFO("path=%s", data);
56 if (data == nullptr || data[0] == '\0')
57 throw std::invalid_argument("Could not parse record path");
59 const char* current = data;
61 simgrid::mc::Transition item;
62 int count = sscanf(current, "%ld/%d", &item.aid_, &item.times_considered_);
64 if(count != 2 && count != 1)
65 throw std::invalid_argument("Could not parse record path");
69 const char* end = std::strchr(current, ';');
81 std::string traceToString(simgrid::mc::RecordTrace const& trace)
83 std::ostringstream stream;
84 for (auto i = trace.begin(); i != trace.end(); ++i) {
85 if (i != trace.begin())
88 if (i->times_considered_)
89 stream << '/' << i->times_considered_;
96 RecordTrace trace = mc_model_checker->getChecker()->get_record_trace();
97 XBT_INFO("Path = %s", traceToString(trace).c_str());