-/* Copyright (c) 2008-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2008-2021. 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/checker/CommunicationDeterminismChecker.hpp"
#include "src/kernel/activity/MailboxImpl.hpp"
-#include "src/mc/Session.hpp"
#include "src/mc/mc_config.hpp"
#include "src/mc/mc_exit.hpp"
#include "src/mc/mc_private.hpp"
#include "src/mc/mc_request.hpp"
#include "src/mc/mc_smx.hpp"
-#include "src/mc/mc_api.hpp"
#if HAVE_SMPI
#include "smpi_request.hpp"
#include <cstdint>
-using simgrid::mc::remote;
using mcapi = simgrid::mc::mc_api;
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_comm_determinism, mc, "Logging specific to MC communication determinism detection");
/********** Static functions ***********/
-static e_mc_comm_pattern_difference_t compare_comm_pattern(const simgrid::mc::PatternCommunication* comm1,
- const simgrid::mc::PatternCommunication* comm2)
+static simgrid::mc::CommPatternDifference compare_comm_pattern(const simgrid::mc::PatternCommunication* comm1,
+ const simgrid::mc::PatternCommunication* comm2)
{
- if(comm1->type != comm2->type)
- return TYPE_DIFF;
+ using simgrid::mc::CommPatternDifference;
+ if (comm1->type != comm2->type)
+ return CommPatternDifference::TYPE;
if (comm1->rdv != comm2->rdv)
- return RDV_DIFF;
+ return CommPatternDifference::RDV;
if (comm1->src_proc != comm2->src_proc)
- return SRC_PROC_DIFF;
+ return CommPatternDifference::SRC_PROC;
if (comm1->dst_proc != comm2->dst_proc)
- return DST_PROC_DIFF;
+ return CommPatternDifference::DST_PROC;
if (comm1->tag != comm2->tag)
- return TAG_DIFF;
+ return CommPatternDifference::TAG;
if (comm1->data.size() != comm2->data.size())
- return DATA_SIZE_DIFF;
+ return CommPatternDifference::DATA_SIZE;
if (comm1->data != comm2->data)
- return DATA_DIFF;
- return NONE_DIFF;
+ return CommPatternDifference::DATA;
+ return CommPatternDifference::NONE;
}
-static char* print_determinism_result(e_mc_comm_pattern_difference_t diff, int process,
+static void patterns_copy(std::vector<simgrid::mc::PatternCommunication*>& dest,
+ std::vector<simgrid::mc::PatternCommunication> const& source)
+{
+ dest.clear();
+ for (simgrid::mc::PatternCommunication const& comm : source) {
+ auto* copy_comm = new simgrid::mc::PatternCommunication(comm.dup());
+ dest.push_back(copy_comm);
+ }
+}
+
+static void restore_communications_pattern(simgrid::mc::State* state)
+{
+ for (size_t i = 0; i < initial_communications_pattern.size(); i++)
+ initial_communications_pattern[i].index_comm = state->communication_indices_[i];
+
+ for (unsigned long i = 0; i < mcapi::get().get_maxpid(); i++)
+ patterns_copy(incomplete_communications_pattern[i], state->incomplete_comm_pattern_[i]);
+}
+
+static char* print_determinism_result(simgrid::mc::CommPatternDifference diff, aid_t process,
const simgrid::mc::PatternCommunication* comm, unsigned int cursor)
{
char* type;
char* res;
if (comm->type == simgrid::mc::PatternCommunicationType::send)
- type = bprintf("The send communications pattern of the process %d is different!", process - 1);
+ type = bprintf("The send communications pattern of the process %ld is different!", process - 1);
else
- type = bprintf("The recv communications pattern of the process %d is different!", process - 1);
-
- switch(diff) {
- case TYPE_DIFF:
- res = bprintf("%s Different type for communication #%u", type, cursor);
- break;
- case RDV_DIFF:
- res = bprintf("%s Different rdv for communication #%u", type, cursor);
- break;
- case TAG_DIFF:
- res = bprintf("%s Different tag for communication #%u", type, cursor);
- break;
- case SRC_PROC_DIFF:
- res = bprintf("%s Different source for communication #%u", type, cursor);
- break;
- case DST_PROC_DIFF:
- res = bprintf("%s Different destination for communication #%u", type, cursor);
- break;
- case DATA_SIZE_DIFF:
- res = bprintf("%s Different data size for communication #%u", type, cursor);
- break;
- case DATA_DIFF:
- res = bprintf("%s Different data for communication #%u", type, cursor);
- break;
- default:
- res = nullptr;
- break;
+ type = bprintf("The recv communications pattern of the process %ld is different!", process - 1);
+
+ using simgrid::mc::CommPatternDifference;
+ switch (diff) {
+ case CommPatternDifference::TYPE:
+ res = bprintf("%s Different type for communication #%u", type, cursor);
+ break;
+ case CommPatternDifference::RDV:
+ res = bprintf("%s Different rdv for communication #%u", type, cursor);
+ break;
+ case CommPatternDifference::TAG:
+ res = bprintf("%s Different tag for communication #%u", type, cursor);
+ break;
+ case CommPatternDifference::SRC_PROC:
+ res = bprintf("%s Different source for communication #%u", type, cursor);
+ break;
+ case CommPatternDifference::DST_PROC:
+ res = bprintf("%s Different destination for communication #%u", type, cursor);
+ break;
+ case CommPatternDifference::DATA_SIZE:
+ res = bprintf("%s Different data size for communication #%u", type, cursor);
+ break;
+ case CommPatternDifference::DATA:
+ res = bprintf("%s Different data for communication #%u", type, cursor);
+ break;
+ default:
+ res = nullptr;
+ break;
}
return res;
}
static void update_comm_pattern(simgrid::mc::PatternCommunication* comm_pattern,
- simgrid::mc::RemotePtr<simgrid::kernel::activity::CommImpl> comm_addr)
+ const simgrid::kernel::activity::CommImpl* comm_addr)
{
- // HACK, type punning
- simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_comm;
- mc_model_checker->get_remote_simulation().read(temp_comm, comm_addr);
- const simgrid::kernel::activity::CommImpl* comm = temp_comm.get_buffer();
-
- smx_actor_t src_proc =
- mc_model_checker->get_remote_simulation().resolve_actor(simgrid::mc::remote(comm->src_actor_.get()));
- smx_actor_t dst_proc =
- mc_model_checker->get_remote_simulation().resolve_actor(simgrid::mc::remote(comm->dst_actor_.get()));
+ auto src_proc = mcapi::get().get_src_actor(comm_addr);
+ auto dst_proc = mcapi::get().get_dst_actor(comm_addr);
comm_pattern->src_proc = src_proc->get_pid();
comm_pattern->dst_proc = dst_proc->get_pid();
- comm_pattern->src_host = MC_smx_actor_get_host_name(src_proc);
- comm_pattern->dst_host = MC_smx_actor_get_host_name(dst_proc);
- if (comm_pattern->data.empty() && comm->src_buff_ != nullptr) {
- size_t buff_size;
- mc_model_checker->get_remote_simulation().read(&buff_size, remote(comm->dst_buff_size_));
- comm_pattern->data.resize(buff_size);
- mc_model_checker->get_remote_simulation().read_bytes(comm_pattern->data.data(), comm_pattern->data.size(),
- remote(comm->src_buff_));
- }
+ comm_pattern->src_host = mcapi::get().get_actor_host_name(src_proc);
+ comm_pattern->dst_host = mcapi::get().get_actor_host_name(dst_proc);
+
+ if (comm_pattern->data.empty())
+ comm_pattern->data = mcapi::get().get_pattern_comm_data(comm_addr);
}
namespace simgrid {
namespace mc {
-void CommunicationDeterminismChecker::deterministic_comm_pattern(int process, const PatternCommunication* comm,
+void CommunicationDeterminismChecker::deterministic_comm_pattern(aid_t process, const PatternCommunication* comm,
int backtracking)
{
if (not backtracking) {
- PatternCommunicationList& list = initial_communications_pattern[process];
- e_mc_comm_pattern_difference_t diff = compare_comm_pattern(list.list[list.index_comm].get(), comm);
+ PatternCommunicationList& list = initial_communications_pattern[process];
+ CommPatternDifference diff = compare_comm_pattern(list.list[list.index_comm].get(), comm);
- if (diff != NONE_DIFF) {
+ if (diff != CommPatternDifference::NONE) {
if (comm->type == PatternCommunicationType::send) {
this->send_deterministic = false;
if (this->send_diff != nullptr)
XBT_INFO("%s", this->send_diff);
xbt_free(this->send_diff);
this->send_diff = nullptr;
- mc::session->log_state();
- mc_model_checker->exit(SIMGRID_MC_EXIT_NON_DETERMINISM);
+ mcapi::get().log_state();
+ mcapi::get().mc_exit(SIMGRID_MC_EXIT_NON_DETERMINISM);
} else if (_sg_mc_comms_determinism && (not this->send_deterministic && not this->recv_deterministic)) {
XBT_INFO("****************************************************");
XBT_INFO("***** Non-deterministic communications pattern *****");
xbt_free(this->recv_diff);
this->recv_diff = nullptr;
}
- mc::session->log_state();
- mc_model_checker->exit(SIMGRID_MC_EXIT_NON_DETERMINISM);
+ mcapi::get().log_state();
+ mcapi::get().mc_exit(SIMGRID_MC_EXIT_NON_DETERMINISM);
}
}
}
/********** Non Static functions ***********/
-void CommunicationDeterminismChecker::get_comm_pattern(smx_simcall_t request, e_mc_call_type_t call_type,
- int backtracking)
+void CommunicationDeterminismChecker::get_comm_pattern(smx_simcall_t request, CallType call_type, int backtracking)
{
- const smx_actor_t issuer = MC_smx_simcall_get_issuer(request);
+ const smx_actor_t issuer = mcapi::get().simcall_get_issuer(request);
const mc::PatternCommunicationList& initial_pattern = initial_communications_pattern[issuer->get_pid()];
const std::vector<PatternCommunication*>& incomplete_pattern = incomplete_communications_pattern[issuer->get_pid()];
auto pattern = std::make_unique<PatternCommunication>();
pattern->index = initial_pattern.index_comm + incomplete_pattern.size();
- if (call_type == MC_CALL_TYPE_SEND) {
+ if (call_type == CallType::SEND) {
/* Create comm pattern */
pattern->type = PatternCommunicationType::send;
- pattern->comm_addr = static_cast<kernel::activity::CommImpl*>(simcall_comm_isend__getraw__result(request));
-
- Remote<kernel::activity::CommImpl> temp_synchro;
- mc_model_checker->get_remote_simulation().read(temp_synchro, remote(pattern->comm_addr));
- const kernel::activity::CommImpl* synchro = temp_synchro.get_buffer();
-
- char* remote_name = mc_model_checker->get_remote_simulation().read<char*>(RemotePtr<char*>(
- (uint64_t)(synchro->get_mailbox() ? &synchro->get_mailbox()->name_ : &synchro->mbox_cpy->name_)));
- // pattern->rdv = mc_model_checker->get_remote_simulation().read_string(RemotePtr<char>(remote_name));
- pattern->rdv = mc_api::get().get_pattern_comm_rdv(pattern->comm_addr);
- pattern->src_proc =
- mc_model_checker->get_remote_simulation().resolve_actor(mc::remote(synchro->src_actor_.get()))->get_pid();
- pattern->src_host = MC_smx_actor_get_host_name(issuer);
+ pattern->comm_addr = mcapi::get().get_comm_isend_raw_addr(request);
+ pattern->rdv = mcapi::get().get_pattern_comm_rdv(pattern->comm_addr);
+ pattern->src_proc = mcapi::get().get_pattern_comm_src_proc(pattern->comm_addr);
+ pattern->src_host = mc_api::get().get_actor_host_name(issuer);
#if HAVE_SMPI
- simgrid::smpi::Request mpi_request;
- mc_model_checker->get_remote_simulation().read(
- &mpi_request, remote(static_cast<smpi::Request*>(simcall_comm_isend__get__data(request))));
- pattern->tag = mpi_request.tag();
+ pattern->tag = mcapi::get().get_smpi_request_tag(request, simgrid::simix::Simcall::COMM_ISEND);
#endif
+ pattern->data = mcapi::get().get_pattern_comm_data(pattern->comm_addr);
- if (synchro->src_buff_ != nullptr) {
- pattern->data.resize(synchro->src_buff_size_);
- mc_model_checker->get_remote_simulation().read_bytes(pattern->data.data(), pattern->data.size(),
- remote(synchro->src_buff_));
- }
#if HAVE_SMPI
- if(mpi_request.detached()){
+ auto send_detached = mcapi::get().check_send_request_detached(request);
+ if (send_detached) {
if (this->initial_communications_pattern_done) {
/* Evaluate comm determinism */
this->deterministic_comm_pattern(pattern->src_proc, pattern.get(), backtracking);
return;
}
#endif
- } else if (call_type == MC_CALL_TYPE_RECV) {
- pattern->type = PatternCommunicationType::receive;
- pattern->comm_addr = static_cast<kernel::activity::CommImpl*>(simcall_comm_irecv__getraw__result(request));
+ } else if (call_type == CallType::RECV) {
+ pattern->type = PatternCommunicationType::receive;
+ pattern->comm_addr = mcapi::get().get_comm_isend_raw_addr(request);
#if HAVE_SMPI
- smpi::Request mpi_request;
- mc_model_checker->get_remote_simulation().read(
- &mpi_request, remote(static_cast<smpi::Request*>(simcall_comm_irecv__get__data(request))));
- pattern->tag = mpi_request.tag();
+ pattern->tag = mcapi::get().get_smpi_request_tag(request, simgrid::simix::Simcall::COMM_IRECV);
#endif
-
- Remote<kernel::activity::CommImpl> temp_comm;
- mc_model_checker->get_remote_simulation().read(temp_comm, remote(pattern->comm_addr));
- const kernel::activity::CommImpl* comm = temp_comm.get_buffer();
-
- char* remote_name;
- mc_model_checker->get_remote_simulation().read(
- &remote_name, remote(comm->get_mailbox() ? &xbt::string::to_string_data(comm->get_mailbox()->name_).data
- : &xbt::string::to_string_data(comm->mbox_cpy->name_).data));
- pattern->rdv = mc_model_checker->get_remote_simulation().read_string(RemotePtr<char>(remote_name));
- pattern->dst_proc =
- mc_model_checker->get_remote_simulation().resolve_actor(mc::remote(comm->dst_actor_.get()))->get_pid();
- pattern->dst_host = MC_smx_actor_get_host_name(issuer);
+ auto comm_addr = pattern->comm_addr;
+ pattern->rdv = mcapi::get().get_pattern_comm_rdv(comm_addr);
+ pattern->dst_proc = mcapi::get().get_pattern_comm_dst_proc(comm_addr);
+ pattern->dst_host = mcapi::get().get_actor_host_name(issuer);
} else
- xbt_die("Unexpected call_type %i", (int) call_type);
+ xbt_die("Unexpected call_type %i", (int)call_type);
XBT_DEBUG("Insert incomplete comm pattern %p for process %ld", pattern.get(), issuer->get_pid());
incomplete_communications_pattern[issuer->get_pid()].push_back(pattern.release());
}
-void CommunicationDeterminismChecker::complete_comm_pattern(RemotePtr<kernel::activity::CommImpl> comm_addr,
- unsigned int issuer, int backtracking)
+void CommunicationDeterminismChecker::complete_comm_pattern(const kernel::activity::CommImpl* comm_addr, aid_t issuer,
+ int backtracking)
{
/* Complete comm pattern */
std::vector<PatternCommunication*>& incomplete_pattern = incomplete_communications_pattern[issuer];
auto current_comm_pattern =
std::find_if(begin(incomplete_pattern), end(incomplete_pattern),
- [&comm_addr](const PatternCommunication* comm) { return remote(comm->comm_addr) == comm_addr; });
+ [&comm_addr](const PatternCommunication* comm) { return mcapi::get().comm_addr_equal(comm->comm_addr, comm_addr); });
if (current_comm_pattern == std::end(incomplete_pattern))
xbt_die("Corresponding communication not found!");
update_comm_pattern(*current_comm_pattern, comm_addr);
std::unique_ptr<PatternCommunication> comm_pattern(*current_comm_pattern);
- XBT_DEBUG("Remove incomplete comm pattern for process %u at cursor %zd", issuer,
+ XBT_DEBUG("Remove incomplete comm pattern for process %ld at cursor %zd", issuer,
std::distance(begin(incomplete_pattern), current_comm_pattern));
incomplete_pattern.erase(current_comm_pattern);
}
}
-CommunicationDeterminismChecker::CommunicationDeterminismChecker(Session& s) : Checker(s)
-{
-}
+CommunicationDeterminismChecker::CommunicationDeterminismChecker() : Checker() {}
CommunicationDeterminismChecker::~CommunicationDeterminismChecker() = default;
std::vector<std::string> trace;
for (auto const& state : stack_) {
smx_simcall_t req = &state->executed_req_;
- if (req)
- trace.push_back(request_to_string(req, state->transition_.argument_, RequestType::executed));
+ trace.push_back(mcapi::get().request_to_string(req, state->transition_.argument_, RequestType::executed));
}
return trace;
}
void CommunicationDeterminismChecker::prepare()
{
- const int maxpid = mcapi::get().get_maxpid();
+ const auto maxpid = mcapi::get().get_maxpid();
initial_communications_pattern.resize(maxpid);
incomplete_communications_pattern.resize(maxpid);
/* Intermediate backtracking */
State* last_state = stack_.back().get();
if (last_state->system_state_) {
- last_state->system_state_->restore(&mcapi::get().mc_get_remote_simulation());
- MC_restore_communications_pattern(last_state);
+ mc_api::get().restore_state(last_state->system_state_);
+ restore_communications_pattern(last_state);
return;
}
/* Restore the initial state */
- mcapi::get().s_restore_initial_state();
+ mcapi::get().restore_initial_state();
- unsigned n = mcapi::get().get_maxpid();
+ unsigned long n = mcapi::get().get_maxpid();
assert(n == incomplete_communications_pattern.size());
assert(n == initial_communications_pattern.size());
- for (unsigned j=0; j < n ; j++) {
+ for (unsigned long j = 0; j < n; j++) {
incomplete_communications_pattern[j].clear();
initial_communications_pattern[j].index_comm = 0;
}
if (state == stack_.back())
break;
- int req_num = state->transition_.argument_;
+ int req_num = state->transition_.argument_;
const s_smx_simcall* saved_req = &state->executed_req_;
xbt_assert(saved_req);
/* because we got a copy of the executed request, we have to fetch the
real one, pointed by the request field of the issuer process */
- const smx_actor_t issuer = mcapi::get().mc_smx_simcall_get_issuer(saved_req);
+ const smx_actor_t issuer = mcapi::get().simcall_get_issuer(saved_req);
smx_simcall_t req = &issuer->simcall_;
/* TODO : handle test and testany simcalls */
- e_mc_call_type_t call = MC_get_call_type(req);
+ CallType call = MC_get_call_type(req);
mcapi::get().handle_simcall(state->transition_);
- MC_handle_comm_pattern(call, req, req_num, 1);
+ handle_comm_pattern(call, req, req_num, 1);
mcapi::get().mc_wait_for_requests();
/* Update statistics */
}
}
+void CommunicationDeterminismChecker::handle_comm_pattern(simgrid::mc::CallType call_type, smx_simcall_t req, int value, int backtracking)
+{
+ using simgrid::mc::CallType;
+ switch(call_type) {
+ case CallType::NONE:
+ break;
+ case CallType::SEND:
+ case CallType::RECV:
+ get_comm_pattern(req, call_type, backtracking);
+ break;
+ case CallType::WAIT:
+ case CallType::WAITANY: {
+ const simgrid::kernel::activity::CommImpl* comm_addr = nullptr;
+ if (call_type == CallType::WAIT)
+ comm_addr = mcapi::get().get_comm_wait_raw_addr(req);
+ else
+ comm_addr = mcapi::get().get_comm_waitany_raw_addr(req, value);
+ auto simcall_issuer = mcapi::get().simcall_get_issuer(req);
+ complete_comm_pattern(comm_addr, simcall_issuer->get_pid(), backtracking);
+ } break;
+ default:
+ xbt_die("Unexpected call type %i", (int)call_type);
+ }
+}
+
void CommunicationDeterminismChecker::real_run()
{
std::unique_ptr<VisitedState> visited_state = nullptr;
- smx_simcall_t req = nullptr;
+ smx_simcall_t req = nullptr;
while (not stack_.empty()) {
/* Get current state */
mcapi::get().mc_inc_executed_trans();
/* TODO : handle test and testany simcalls */
- e_mc_call_type_t call = MC_CALL_TYPE_NONE;
+ CallType call = CallType::NONE;
if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
call = MC_get_call_type(req);
mcapi::get().handle_simcall(cur_state->transition_);
/* After this call req is no longer useful */
- MC_handle_comm_pattern(call, req, req_num, 0);
-
+ handle_comm_pattern(call, req, req_num, 0);
/* Wait for requests (schedules processes) */
mcapi::get().mc_wait_for_requests();
if (visited_state == nullptr) {
/* Get enabled actors and insert them in the interleave set of the next state */
- auto actors = mcapi::get().mc_get_remote_simulation().actors();
+ auto actors = mcapi::get().get_actors();
for (auto& actor : actors)
if (mcapi::get().actor_is_enabled(actor.copy.get_buffer()->get_pid()))
next_state->add_interleaving_set(actor.copy.get_buffer());
stack_.push_back(std::move(next_state));
} else {
- if (stack_.size() > (std::size_t) _sg_mc_max_depth)
+ if (stack_.size() > (std::size_t)_sg_mc_max_depth)
XBT_WARN("/!\\ Max depth reached! /!\\ ");
else if (visited_state != nullptr)
XBT_DEBUG("State already visited (equal to state %d), exploration stopped on this path.",
- visited_state->original_num == -1 ? visited_state->num : visited_state->original_num);
+ visited_state->original_num == -1 ? visited_state->num : visited_state->original_num);
else
XBT_DEBUG("There are no more processes to interleave. (depth %zu)", stack_.size());
}
}
- mcapi::get().s_log_state();
+ mcapi::get().log_state();
}
void CommunicationDeterminismChecker::run()
{
XBT_INFO("Check communication determinism");
- mcapi::get().s_initialize();
+ mcapi::get().session_initialize();
this->prepare();
this->real_run();
}
-Checker* createCommunicationDeterminismChecker(Session& s)
+Checker* createCommunicationDeterminismChecker()
{
- return new CommunicationDeterminismChecker(s);
+ return new CommunicationDeterminismChecker();
}
} // namespace mc
