X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/149c63f36e15b8500b1e826bda5138318ff7ba2b..06e50380de1b8cf82ce7241ce1fb96750097ba01:/src/mc/mc_request.cpp diff --git a/src/mc/mc_request.cpp b/src/mc/mc_request.cpp index 3c663e4d2b..84219c7bef 100644 --- a/src/mc/mc_request.cpp +++ b/src/mc/mc_request.cpp @@ -1,4 +1,4 @@ -/* 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. */ @@ -10,351 +10,13 @@ #include "src/mc/ModelChecker.hpp" #include "src/mc/checker/SimcallInspector.hpp" #include "src/mc/mc_smx.hpp" +#include using simgrid::mc::remote; +using simgrid::simix::Simcall; XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_request, mc, "Logging specific to MC (request)"); -static char *pointer_to_string(void *pointer); -static char *buff_size_to_string(size_t size); - -static inline simgrid::kernel::activity::CommImpl* MC_get_comm(smx_simcall_t r) -{ - switch (r->call_) { - case SIMCALL_COMM_WAIT: - return static_cast(simcall_comm_wait__getraw__comm(r)); - case SIMCALL_COMM_TEST: - return static_cast(simcall_comm_test__getraw__comm(r)); - default: - return nullptr; - } -} - -static inline -smx_mailbox_t MC_get_mbox(smx_simcall_t r) -{ - switch (r->call_) { - case SIMCALL_COMM_ISEND: - return simcall_comm_isend__get__mbox(r); - case SIMCALL_COMM_IRECV: - return simcall_comm_irecv__get__mbox(r); - default: - return nullptr; - } -} - -namespace simgrid { -namespace mc { - -// Does half the job -static inline -bool request_depend_asymmetric(smx_simcall_t r1, smx_simcall_t r2) -{ - if (r1->call_ == SIMCALL_COMM_ISEND && r2->call_ == SIMCALL_COMM_IRECV) - return false; - - if (r1->call_ == SIMCALL_COMM_IRECV && r2->call_ == SIMCALL_COMM_ISEND) - return false; - - // Those are internal requests, we do not need indirection because those objects are copies: - const kernel::activity::CommImpl* synchro1 = MC_get_comm(r1); - const kernel::activity::CommImpl* synchro2 = MC_get_comm(r2); - - if ((r1->call_ == SIMCALL_COMM_ISEND || r1->call_ == SIMCALL_COMM_IRECV) && r2->call_ == SIMCALL_COMM_WAIT) { - const kernel::activity::MailboxImpl* mbox = MC_get_mbox(r1); - - if (mbox != synchro2->mbox_cpy - && simcall_comm_wait__get__timeout(r2) <= 0) - return false; - - if ((r1->issuer_ != synchro2->src_actor_.get()) && (r1->issuer_ != synchro2->dst_actor_.get()) && - simcall_comm_wait__get__timeout(r2) <= 0) - return false; - - if ((r1->call_ == SIMCALL_COMM_ISEND) && (synchro2->type_ == kernel::activity::CommImpl::Type::SEND) && - (synchro2->src_buff_ != simcall_comm_isend__get__src_buff(r1)) && simcall_comm_wait__get__timeout(r2) <= 0) - return false; - - if ((r1->call_ == SIMCALL_COMM_IRECV) && (synchro2->type_ == kernel::activity::CommImpl::Type::RECEIVE) && - (synchro2->dst_buff_ != simcall_comm_irecv__get__dst_buff(r1)) && simcall_comm_wait__get__timeout(r2) <= 0) - return false; - } - - /* FIXME: the following rule assumes that the result of the isend/irecv call is not stored in a buffer used in the - * test call. */ -#if 0 - if((r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV) - && r2->call == SIMCALL_COMM_TEST) - return false; -#endif - - if (r1->call_ == SIMCALL_COMM_WAIT && (r2->call_ == SIMCALL_COMM_WAIT || r2->call_ == SIMCALL_COMM_TEST) && - (synchro1->src_actor_.get() == nullptr || synchro1->dst_actor_.get() == nullptr)) - return false; - - if (r1->call_ == SIMCALL_COMM_TEST && - (simcall_comm_test__get__comm(r1) == nullptr || synchro1->src_buff_ == nullptr || synchro1->dst_buff_ == nullptr)) - return false; - - if (r1->call_ == SIMCALL_COMM_TEST && r2->call_ == SIMCALL_COMM_WAIT && synchro1->src_buff_ == synchro2->src_buff_ && - synchro1->dst_buff_ == synchro2->dst_buff_) - return false; - - if (r1->call_ == SIMCALL_COMM_WAIT && r2->call_ == SIMCALL_COMM_TEST && synchro1->src_buff_ != nullptr && - synchro1->dst_buff_ != nullptr && synchro2->src_buff_ != nullptr && synchro2->dst_buff_ != nullptr && - synchro1->dst_buff_ != synchro2->src_buff_ && synchro1->dst_buff_ != synchro2->dst_buff_ && - synchro2->dst_buff_ != synchro1->src_buff_) - return false; - - return true; -} - -// Those are internal_req -bool request_depend(smx_simcall_t req1, smx_simcall_t req2) -{ - if (req1->issuer_ == req2->issuer_) - return false; - - /* Wait with timeout transitions are not considered by the independence theorem, thus we consider them as dependent with all other transitions */ - if ((req1->call_ == SIMCALL_COMM_WAIT && simcall_comm_wait__get__timeout(req1) > 0) || - (req2->call_ == SIMCALL_COMM_WAIT && simcall_comm_wait__get__timeout(req2) > 0)) - return true; - - if (req1->call_ != req2->call_) - return request_depend_asymmetric(req1, req2) && request_depend_asymmetric(req2, req1); - - // Those are internal requests, we do not need indirection because those objects are copies: - const kernel::activity::CommImpl* synchro1 = MC_get_comm(req1); - const kernel::activity::CommImpl* synchro2 = MC_get_comm(req2); - - switch (req1->call_) { - case SIMCALL_COMM_ISEND: - return simcall_comm_isend__get__mbox(req1) == simcall_comm_isend__get__mbox(req2); - case SIMCALL_COMM_IRECV: - return simcall_comm_irecv__get__mbox(req1) == simcall_comm_irecv__get__mbox(req2); - case SIMCALL_COMM_WAIT: - if (synchro1->src_buff_ == synchro2->src_buff_ && synchro1->dst_buff_ == synchro2->dst_buff_) - return false; - if (synchro1->src_buff_ != nullptr && synchro1->dst_buff_ != nullptr && synchro2->src_buff_ != nullptr && - synchro2->dst_buff_ != nullptr && synchro1->dst_buff_ != synchro2->src_buff_ && - synchro1->dst_buff_ != synchro2->dst_buff_ && synchro2->dst_buff_ != synchro1->src_buff_) - return false; - return true; - default: - return true; - } -} - -} // namespace mc -} // namespace simgrid - -static char *pointer_to_string(void *pointer) -{ - if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose)) - return bprintf("%p", pointer); - - return xbt_strdup("(verbose only)"); -} - -static char *buff_size_to_string(size_t buff_size) -{ - if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose)) - return bprintf("%zu", buff_size); - - return xbt_strdup("(verbose only)"); -} - - -std::string simgrid::mc::request_to_string(smx_simcall_t req, int value, simgrid::mc::RequestType request_type) -{ - xbt_assert(mc_model_checker != nullptr, "Must be called from MCer"); - - if (req->inspector_ != nullptr) - return req->inspector_->to_string(); - - bool use_remote_comm = true; - switch(request_type) { - case simgrid::mc::RequestType::simix: - use_remote_comm = true; - break; - case simgrid::mc::RequestType::executed: - case simgrid::mc::RequestType::internal: - use_remote_comm = false; - break; - default: - THROW_IMPOSSIBLE; - } - - const char* type = nullptr; - char *args = nullptr; - - smx_actor_t issuer = MC_smx_simcall_get_issuer(req); - - switch (req->call_) { - case SIMCALL_COMM_ISEND: { - type = "iSend"; - char* p = pointer_to_string(simcall_comm_isend__get__src_buff(req)); - char* bs = buff_size_to_string(simcall_comm_isend__get__src_buff_size(req)); - if (issuer->get_host()) - args = bprintf("src=(%ld)%s (%s), buff=%s, size=%s", issuer->get_pid(), MC_smx_actor_get_host_name(issuer), - MC_smx_actor_get_name(issuer), p, bs); - else - args = bprintf("src=(%ld)%s, buff=%s, size=%s", issuer->get_pid(), MC_smx_actor_get_name(issuer), p, bs); - xbt_free(bs); - xbt_free(p); - break; - } - - case SIMCALL_COMM_IRECV: { - size_t* remote_size = simcall_comm_irecv__get__dst_buff_size(req); - size_t size = 0; - if (remote_size) - mc_model_checker->process().read_bytes(&size, sizeof(size), remote(remote_size)); - - type = "iRecv"; - char* p = pointer_to_string(simcall_comm_irecv__get__dst_buff(req)); - char* bs = buff_size_to_string(size); - if (issuer->get_host()) - args = bprintf("dst=(%ld)%s (%s), buff=%s, size=%s", issuer->get_pid(), MC_smx_actor_get_host_name(issuer), - MC_smx_actor_get_name(issuer), p, bs); - else - args = bprintf("dst=(%ld)%s, buff=%s, size=%s", issuer->get_pid(), MC_smx_actor_get_name(issuer), p, bs); - xbt_free(bs); - xbt_free(p); - break; - } - - case SIMCALL_COMM_WAIT: { - simgrid::kernel::activity::CommImpl* remote_act = - static_cast(simcall_comm_wait__getraw__comm(req)); - char* p; - if (value == -1) { - type = "WaitTimeout"; - p = pointer_to_string(remote_act); - args = bprintf("comm=%s", p); - } else { - type = "Wait"; - p = pointer_to_string(remote_act); - - simgrid::mc::Remote temp_synchro; - const simgrid::kernel::activity::CommImpl* act; - if (use_remote_comm) { - mc_model_checker->process().read(temp_synchro, - remote(static_cast(remote_act))); - act = temp_synchro.get_buffer(); - } else - act = remote_act; - - smx_actor_t src_proc = mc_model_checker->process().resolve_actor(simgrid::mc::remote(act->src_actor_.get())); - smx_actor_t dst_proc = mc_model_checker->process().resolve_actor(simgrid::mc::remote(act->dst_actor_.get())); - args = bprintf("comm=%s [(%ld)%s (%s)-> (%ld)%s (%s)]", p, src_proc ? src_proc->get_pid() : 0, - src_proc ? MC_smx_actor_get_host_name(src_proc) : "", - src_proc ? MC_smx_actor_get_name(src_proc) : "", dst_proc ? dst_proc->get_pid() : 0, - dst_proc ? MC_smx_actor_get_host_name(dst_proc) : "", - dst_proc ? MC_smx_actor_get_name(dst_proc) : ""); - } - xbt_free(p); - break; - } - - case SIMCALL_COMM_TEST: { - simgrid::kernel::activity::CommImpl* remote_act = - static_cast(simcall_comm_test__getraw__comm(req)); - simgrid::mc::Remote temp_synchro; - const simgrid::kernel::activity::CommImpl* act; - if (use_remote_comm) { - mc_model_checker->process().read(temp_synchro, - remote(static_cast(remote_act))); - act = temp_synchro.get_buffer(); - } else - act = remote_act; - - char* p; - if (act->src_actor_.get() == nullptr || act->dst_actor_.get() == nullptr) { - type = "Test FALSE"; - p = pointer_to_string(remote_act); - args = bprintf("comm=%s", p); - } else { - type = "Test TRUE"; - p = pointer_to_string(remote_act); - - smx_actor_t src_proc = mc_model_checker->process().resolve_actor(simgrid::mc::remote(act->src_actor_.get())); - smx_actor_t dst_proc = mc_model_checker->process().resolve_actor(simgrid::mc::remote(act->dst_actor_.get())); - args = bprintf("comm=%s [(%ld)%s (%s) -> (%ld)%s (%s)]", p, src_proc->get_pid(), - MC_smx_actor_get_name(src_proc), MC_smx_actor_get_host_name(src_proc), dst_proc->get_pid(), - MC_smx_actor_get_name(dst_proc), MC_smx_actor_get_host_name(dst_proc)); - } - xbt_free(p); - break; - } - - case SIMCALL_COMM_WAITANY: { - type = "WaitAny"; - size_t count = simcall_comm_waitany__get__count(req); - if (count > 0) { - simgrid::kernel::activity::CommImpl* remote_sync; - remote_sync = mc_model_checker->process().read(remote(simcall_comm_waitany__get__comms(req) + value)); - char* p = pointer_to_string(remote_sync); - args = bprintf("comm=%s (%d of %zu)", p, value + 1, count); - xbt_free(p); - } else - args = bprintf("comm at idx %d", value); - break; - } - - case SIMCALL_COMM_TESTANY: - if (value == -1) { - type = "TestAny FALSE"; - args = xbt_strdup("-"); - } else { - type = "TestAny"; - args = bprintf("(%d of %zu)", value + 1, simcall_comm_testany__get__count(req)); - } - break; - - case SIMCALL_MUTEX_TRYLOCK: - case SIMCALL_MUTEX_LOCK: { - if (req->call_ == SIMCALL_MUTEX_LOCK) - type = "Mutex LOCK"; - else - type = "Mutex TRYLOCK"; - - simgrid::mc::Remote mutex; - mc_model_checker->process().read_bytes(mutex.get_buffer(), sizeof(mutex), - remote(req->call_ == SIMCALL_MUTEX_LOCK - ? simcall_mutex_lock__get__mutex(req) - : simcall_mutex_trylock__get__mutex(req))); - args = bprintf("locked = %d, owner = %d, sleeping = n/a", mutex.get_buffer()->is_locked(), - mutex.get_buffer()->get_owner() != nullptr - ? (int)mc_model_checker->process() - .resolve_actor(simgrid::mc::remote(mutex.get_buffer()->get_owner())) - ->get_pid() - : -1); - break; - } - - case SIMCALL_MC_RANDOM: - type = "MC_RANDOM"; - args = bprintf("%d", value); - break; - - default: - type = SIMIX_simcall_name(req->call_); - args = bprintf("??"); - break; - } - - std::string str; - if (args != nullptr) - str = simgrid::xbt::string_printf("[(%ld)%s (%s)] %s(%s)", issuer->get_pid(), MC_smx_actor_get_host_name(issuer), - MC_smx_actor_get_name(issuer), type, args); - else - str = simgrid::xbt::string_printf("[(%ld)%s (%s)] %s ", issuer->get_pid(), MC_smx_actor_get_host_name(issuer), - MC_smx_actor_get_name(issuer), type); - xbt_free(args); - return str; -} - namespace simgrid { namespace mc { @@ -362,17 +24,17 @@ bool request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx) { kernel::activity::CommImpl* remote_act = nullptr; switch (req->call_) { - case SIMCALL_COMM_WAIT: + case Simcall::COMM_WAIT: /* FIXME: check also that src and dst processes are not suspended */ remote_act = simcall_comm_wait__getraw__comm(req); break; - case SIMCALL_COMM_WAITANY: - remote_act = mc_model_checker->process().read(remote(simcall_comm_testany__get__comms(req) + idx)); + case Simcall::COMM_WAITANY: + remote_act = mc_model_checker->get_remote_simulation().read(remote(simcall_comm_waitany__get__comms(req) + idx)); break; - case SIMCALL_COMM_TESTANY: - remote_act = mc_model_checker->process().read(remote(simcall_comm_testany__get__comms(req) + idx)); + case Simcall::COMM_TESTANY: + remote_act = mc_model_checker->get_remote_simulation().read(remote(simcall_comm_testany__get__comms(req) + idx)); break; default: @@ -380,141 +42,10 @@ bool request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx) } Remote temp_comm; - mc_model_checker->process().read(temp_comm, remote(remote_act)); + mc_model_checker->get_remote_simulation().read(temp_comm, remote(remote_act)); const kernel::activity::CommImpl* comm = temp_comm.get_buffer(); return comm->src_actor_.get() && comm->dst_actor_.get(); } -static const char* colors[] = { - "blue", "red", "green3", "goldenrod", "brown", "purple", "magenta", - "turquoise4", "gray25", "forestgreen", "hotpink", "lightblue", "tan", -}; - -static inline const char* get_color(int id) -{ - return colors[id % (sizeof(colors) / sizeof(colors[0])) ]; -} - -std::string request_get_dot_output(smx_simcall_t req, int value) -{ - const smx_actor_t issuer = MC_smx_simcall_get_issuer(req); - const char* color = get_color(issuer->get_pid() - 1); - - if (req->inspector_ != nullptr) - return simgrid::xbt::string_printf("label = \"%s\", color = %s, fontcolor = %s", - req->inspector_->dot_label().c_str(), color, color); - - std::string label; - - switch (req->call_) { - case SIMCALL_COMM_ISEND: - if (issuer->get_host()) - label = xbt::string_printf("[(%ld)%s] iSend", issuer->get_pid(), MC_smx_actor_get_host_name(issuer)); - else - label = bprintf("[(%ld)] iSend", issuer->get_pid()); - break; - - case SIMCALL_COMM_IRECV: - if (issuer->get_host()) - label = xbt::string_printf("[(%ld)%s] iRecv", issuer->get_pid(), MC_smx_actor_get_host_name(issuer)); - else - label = xbt::string_printf("[(%ld)] iRecv", issuer->get_pid()); - break; - - case SIMCALL_COMM_WAIT: - if (value == -1) { - if (issuer->get_host()) - label = xbt::string_printf("[(%ld)%s] WaitTimeout", issuer->get_pid(), MC_smx_actor_get_host_name(issuer)); - else - label = xbt::string_printf("[(%ld)] WaitTimeout", issuer->get_pid()); - } else { - kernel::activity::ActivityImpl* remote_act = simcall_comm_wait__getraw__comm(req); - Remote temp_comm; - mc_model_checker->process().read(temp_comm, remote(static_cast(remote_act))); - const kernel::activity::CommImpl* comm = temp_comm.get_buffer(); - - const kernel::actor::ActorImpl* src_proc = - mc_model_checker->process().resolve_actor(mc::remote(comm->src_actor_.get())); - const kernel::actor::ActorImpl* dst_proc = - mc_model_checker->process().resolve_actor(mc::remote(comm->dst_actor_.get())); - if (issuer->get_host()) - label = - xbt::string_printf("[(%ld)%s] Wait [(%ld)->(%ld)]", issuer->get_pid(), MC_smx_actor_get_host_name(issuer), - src_proc ? src_proc->get_pid() : 0, dst_proc ? dst_proc->get_pid() : 0); - else - label = xbt::string_printf("[(%ld)] Wait [(%ld)->(%ld)]", issuer->get_pid(), - src_proc ? src_proc->get_pid() : 0, dst_proc ? dst_proc->get_pid() : 0); - } - break; - - case SIMCALL_COMM_TEST: { - kernel::activity::ActivityImpl* remote_act = simcall_comm_test__getraw__comm(req); - Remote temp_comm; - mc_model_checker->process().read(temp_comm, remote(static_cast(remote_act))); - const kernel::activity::CommImpl* comm = temp_comm.get_buffer(); - if (comm->src_actor_.get() == nullptr || comm->dst_actor_.get() == nullptr) { - if (issuer->get_host()) - label = xbt::string_printf("[(%ld)%s] Test FALSE", issuer->get_pid(), MC_smx_actor_get_host_name(issuer)); - else - label = bprintf("[(%ld)] Test FALSE", issuer->get_pid()); - } else { - if (issuer->get_host()) - label = xbt::string_printf("[(%ld)%s] Test TRUE", issuer->get_pid(), MC_smx_actor_get_host_name(issuer)); - else - label = xbt::string_printf("[(%ld)] Test TRUE", issuer->get_pid()); - } - break; - } - - case SIMCALL_COMM_WAITANY: { - size_t comms_size = simcall_comm_waitany__get__count(req); - if (issuer->get_host()) - label = xbt::string_printf("[(%ld)%s] WaitAny [%d of %zu]", issuer->get_pid(), - MC_smx_actor_get_host_name(issuer), value + 1, comms_size); - else - label = xbt::string_printf("[(%ld)] WaitAny [%d of %zu]", issuer->get_pid(), value + 1, comms_size); - break; - } - - case SIMCALL_COMM_TESTANY: - if (value == -1) { - if (issuer->get_host()) - label = xbt::string_printf("[(%ld)%s] TestAny FALSE", issuer->get_pid(), MC_smx_actor_get_host_name(issuer)); - else - label = xbt::string_printf("[(%ld)] TestAny FALSE", issuer->get_pid()); - } else { - if (issuer->get_host()) - label = - xbt::string_printf("[(%ld)%s] TestAny TRUE [%d of %lu]", issuer->get_pid(), - MC_smx_actor_get_host_name(issuer), value + 1, simcall_comm_testany__get__count(req)); - else - label = xbt::string_printf("[(%ld)] TestAny TRUE [%d of %lu]", issuer->get_pid(), value + 1, - simcall_comm_testany__get__count(req)); - } - break; - - case SIMCALL_MUTEX_TRYLOCK: - label = xbt::string_printf("[(%ld)] Mutex TRYLOCK", issuer->get_pid()); - break; - - case SIMCALL_MUTEX_LOCK: - label = xbt::string_printf("[(%ld)] Mutex LOCK", issuer->get_pid()); - break; - - case SIMCALL_MC_RANDOM: - if (issuer->get_host()) - label = xbt::string_printf("[(%ld)%s] MC_RANDOM (%d)", issuer->get_pid(), MC_smx_actor_get_host_name(issuer), - value); - else - label = xbt::string_printf("[(%ld)] MC_RANDOM (%d)", issuer->get_pid(), value); - break; - - default: - THROW_UNIMPLEMENTED; - } - - return xbt::string_printf("label = \"%s\", color = %s, fontcolor = %s", label.c_str(), color, color); -} - } // namespace mc } // namespace simgrid