-/* Copyright (c) 2008-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2008-2019. 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 <assert.h>
+#include "src/mc/mc_comm_pattern.hpp"
+#include "src/mc/mc_request.hpp"
+#include "src/mc/mc_smx.hpp"
+#include "src/mc/mc_state.hpp"
#include <boost/range/algorithm.hpp>
-#include "xbt/log.h"
-#include "xbt/sysdep.h"
-
-#include "src/mc/Transition.hpp"
-#include "src/mc/mc_comm_pattern.hpp"
-#include "src/mc/mc_private.h"
-#include "src/mc/mc_request.h"
-#include "src/mc/mc_smx.h"
-#include "src/mc/mc_state.h"
-#include "src/mc/mc_xbt.hpp"
-#include "src/simix/smx_private.h"
-
using simgrid::mc::remote;
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_state, mc, "Logging specific to MC (state)");
namespace simgrid {
namespace mc {
-State::State(unsigned long state_number)
+State::State(unsigned long state_number) : num(state_number)
{
this->internal_comm.clear();
std::memset(&this->internal_req, 0, sizeof(this->internal_req));
std::memset(&this->executed_req, 0, sizeof(this->executed_req));
actorStates.resize(MC_smx_get_maxpid());
- num = state_number;
/* Stateful model checking */
if ((_sg_mc_checkpoint > 0 && (state_number % _sg_mc_checkpoint == 0)) || _sg_mc_termination) {
system_state = simgrid::mc::take_snapshot(num);
std::size_t State::interleaveSize() const
{
- return boost::range::count_if(this->actorStates,
- [](simgrid::mc::ProcessState const& p) { return p.isTodo(); });
+ return boost::range::count_if(this->actorStates, [](simgrid::mc::ProcessState const& p) { return p.isTodo(); });
}
Transition State::getTransition() const
* - which simcall can currently be executed (like a comm where the other partner is already known)
* Once we returned the last enabled transition of a process, it is marked done.
*
- * Things can get muddled with the WAITANY and TESTANY simcalls, that are rewritten
- * on the fly to a bunch of WAIT (resp TEST) transitions using the transition.argument
- * field to remember what was the last returned sub-transition.
+ * Things can get muddled with the WAITANY and TESTANY simcalls, that are rewritten on the fly to a bunch of WAIT
+ * (resp TEST) transitions using the transition.argument field to remember what was the last returned sub-transition.
*/
-static inline smx_simcall_t MC_state_get_request_for_process(
- simgrid::mc::State* state, smx_actor_t actor)
+static inline smx_simcall_t MC_state_get_request_for_process(simgrid::mc::State* state, smx_actor_t actor)
{
/* reset the outgoing transition */
- simgrid::mc::ProcessState* procstate = &state->actorStates[actor->pid];
+ simgrid::mc::ProcessState* procstate = &state->actorStates[actor->get_pid()];
state->transition.pid = -1;
state->transition.argument = -1;
state->executed_req.call = SIMCALL_NONE;
- if (not procstate->isTodo())
- return nullptr; // Not considered by the checker algorithm
if (not simgrid::mc::actor_is_enabled(actor))
return nullptr; // Not executable in the application
smx_simcall_t req = nullptr;
switch (actor->simcall.call) {
- case SIMCALL_COMM_WAITANY:
- state->transition.argument = -1;
- while (procstate->times_considered <
- read_length(mc_model_checker->process(),
- remote(simcall_comm_waitany__get__comms(&actor->simcall)))) {
- if (simgrid::mc::request_is_enabled_by_idx(&actor->simcall,
- procstate->times_considered++)) {
- state->transition.argument = procstate->times_considered - 1;
- break;
- }
+ case SIMCALL_COMM_WAITANY:
+ state->transition.argument = -1;
+ while (procstate->times_considered < simcall_comm_waitany__get__count(&actor->simcall)) {
+ if (simgrid::mc::request_is_enabled_by_idx(&actor->simcall, procstate->times_considered)) {
+ state->transition.argument = procstate->times_considered;
+ ++procstate->times_considered;
+ break;
}
-
- if (procstate->times_considered >=
- simgrid::mc::read_length(mc_model_checker->process(),
- simgrid::mc::remote(simcall_comm_waitany__get__comms(&actor->simcall))))
- procstate->setDone();
- if (state->transition.argument != -1)
- req = &actor->simcall;
- break;
-
- case SIMCALL_COMM_TESTANY: {
- unsigned start_count = procstate->times_considered;
- state->transition.argument = -1;
- while (procstate->times_considered <
- simcall_comm_testany__get__count(&actor->simcall))
- if (simgrid::mc::request_is_enabled_by_idx(&actor->simcall,
- procstate->times_considered++)) {
- state->transition.argument = procstate->times_considered - 1;
- break;
- }
-
- if (procstate->times_considered >=
- simcall_comm_testany__get__count(&actor->simcall))
- procstate->setDone();
-
- if (state->transition.argument != -1 || start_count == 0)
- req = &actor->simcall;
-
- break;
+ ++procstate->times_considered;
}
- case SIMCALL_COMM_WAIT: {
- simgrid::mc::RemotePtr<simgrid::kernel::activity::CommImpl> remote_act =
- remote(static_cast<simgrid::kernel::activity::CommImpl*>(simcall_comm_wait__getraw__comm(&actor->simcall)));
- simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_act;
- mc_model_checker->process().read(temp_act, remote_act);
- simgrid::kernel::activity::CommImpl* act = temp_act.getBuffer();
- if (act->src_proc && act->dst_proc)
- state->transition.argument = 0;
- else if (act->src_proc == nullptr && act->type == SIMIX_COMM_READY
- && act->detached == 1)
- state->transition.argument = 0;
- else
- state->transition.argument = -1;
+ if (procstate->times_considered >= simcall_comm_waitany__get__count(&actor->simcall))
procstate->setDone();
+ if (state->transition.argument != -1)
req = &actor->simcall;
- break;
+ break;
+
+ case SIMCALL_COMM_TESTANY: {
+ unsigned start_count = procstate->times_considered;
+ state->transition.argument = -1;
+ while (procstate->times_considered < simcall_comm_testany__get__count(&actor->simcall)) {
+ if (simgrid::mc::request_is_enabled_by_idx(&actor->simcall, procstate->times_considered)) {
+ state->transition.argument = procstate->times_considered;
+ ++procstate->times_considered;
+ break;
+ }
+ ++procstate->times_considered;
}
- case SIMCALL_MC_RANDOM: {
- int min_value = simcall_mc_random__get__min(&actor->simcall);
- state->transition.argument = procstate->times_considered + min_value;
- procstate->times_considered++;
- if (state->transition.argument == simcall_mc_random__get__max(&actor->simcall))
- procstate->setDone();
+ if (procstate->times_considered >= simcall_comm_testany__get__count(&actor->simcall))
+ procstate->setDone();
+
+ if (state->transition.argument != -1 || start_count == 0)
req = &actor->simcall;
- break;
- }
- default:
- procstate->setDone();
+ break;
+ }
+
+ case SIMCALL_COMM_WAIT: {
+ simgrid::mc::RemotePtr<simgrid::kernel::activity::CommImpl> remote_act =
+ remote(static_cast<simgrid::kernel::activity::CommImpl*>(simcall_comm_wait__getraw__comm(&actor->simcall)));
+ simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_act;
+ mc_model_checker->process().read(temp_act, remote_act);
+ simgrid::kernel::activity::CommImpl* act = temp_act.getBuffer();
+ if (act->src_actor_.get() && act->dst_actor_.get())
state->transition.argument = 0;
- req = &actor->simcall;
- break;
+ else if (act->src_actor_.get() == nullptr && act->type_ == simgrid::kernel::activity::CommImpl::Type::READY &&
+ act->detached())
+ state->transition.argument = 0;
+ else
+ state->transition.argument = -1;
+ procstate->setDone();
+ req = &actor->simcall;
+ break;
+ }
+
+ case SIMCALL_MC_RANDOM: {
+ int min_value = simcall_mc_random__get__min(&actor->simcall);
+ state->transition.argument = procstate->times_considered + min_value;
+ procstate->times_considered++;
+ if (state->transition.argument == simcall_mc_random__get__max(&actor->simcall))
+ procstate->setDone();
+ req = &actor->simcall;
+ break;
+ }
+
+ default:
+ procstate->setDone();
+ state->transition.argument = 0;
+ req = &actor->simcall;
+ break;
}
if (not req)
return nullptr;
- state->transition.pid = actor->pid;
+ state->transition.pid = actor->get_pid();
state->executed_req = *req;
// Fetch the data of the request and translate it:
state->internal_req = *req;
- /* The waitany and testany request are transformed into a wait or test request
- * over the corresponding communication action so it can be treated later by
- * the dependence function. */
+ /* The waitany and testany request are transformed into a wait or test request over the corresponding communication
+ * action so it can be treated later by the dependence function. */
switch (req->call) {
case SIMCALL_COMM_WAITANY: {
state->internal_req.call = SIMCALL_COMM_WAIT;
- simgrid::kernel::activity::ActivityImpl* remote_comm;
- read_element(mc_model_checker->process(), &remote_comm, remote(simcall_comm_waitany__getraw__comms(req)),
- state->transition.argument, sizeof(remote_comm));
- mc_model_checker->process().read(state->internal_comm,
- remote(static_cast<simgrid::kernel::activity::CommImpl*>(remote_comm)));
+ simgrid::kernel::activity::CommImpl* remote_comm;
+ remote_comm =
+ mc_model_checker->process().read(remote(simcall_comm_waitany__get__comms(req) + state->transition.argument));
+ mc_model_checker->process().read(state->internal_comm, remote(remote_comm));
simcall_comm_wait__set__comm(&state->internal_req, state->internal_comm.getBuffer());
simcall_comm_wait__set__timeout(&state->internal_req, 0);
break;
state->internal_req.call = SIMCALL_COMM_TEST;
if (state->transition.argument > 0) {
- simgrid::kernel::activity::ActivityImpl* remote_comm = mc_model_checker->process().read(
- remote(simcall_comm_testany__getraw__comms(req) + state->transition.argument));
- mc_model_checker->process().read(state->internal_comm,
- remote(static_cast<simgrid::kernel::activity::CommImpl*>(remote_comm)));
+ simgrid::kernel::activity::CommImpl* remote_comm =
+ mc_model_checker->process().read(remote(simcall_comm_testany__get__comms(req) + state->transition.argument));
+ mc_model_checker->process().read(state->internal_comm, remote(remote_comm));
}
simcall_comm_test__set__comm(&state->internal_req, state->internal_comm.getBuffer());
smx_simcall_t MC_state_get_request(simgrid::mc::State* state)
{
for (auto& actor : mc_model_checker->process().actors()) {
+ /* Only consider the actors that were marked as interleaving by the checker algorithm */
+ if (not state->actorStates[actor.copy.getBuffer()->get_pid()].isTodo())
+ continue;
+
smx_simcall_t res = MC_state_get_request_for_process(state, actor.copy.getBuffer());
if (res)
return res;
