X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f05224ef57c30ee1e71be443a160a236f7fe121a..932e745735378c442e2348a3a428d97b69398f86:/src/mc/mc_state.h diff --git a/src/mc/mc_state.h b/src/mc/mc_state.h index 94c72013d6..032a6e5b4d 100644 --- a/src/mc/mc_state.h +++ b/src/mc/mc_state.h @@ -17,49 +17,123 @@ #include "src/simix/smx_private.h" #include "src/mc/mc_snapshot.h" -/* Possible exploration status of a process in a state */ -typedef enum { - MC_NOT_INTERLEAVE=0, /* Do not interleave (do not execute) */ - MC_INTERLEAVE, /* Interleave the process (one or more request) */ - MC_MORE_INTERLEAVE, /* Interleave twice the process (for mc_random simcall) */ - MC_DONE /* Already interleaved */ -} e_mc_process_state_t; - -/* On every state, each process has an entry of the following type */ -typedef struct mc_procstate{ - e_mc_process_state_t state; /* Exploration control information */ - unsigned int interleave_count; /* Number of times that the process was - interleaved */ -} s_mc_procstate_t, *mc_procstate_t; - namespace simgrid { namespace mc { extern XBT_PRIVATE std::unique_ptr initial_global_state; +struct PatternCommunication { + int num = 0; + smx_synchro_t comm_addr; + e_smx_comm_type_t type = SIMIX_COMM_SEND; + unsigned long src_proc = 0; + unsigned long dst_proc = 0; + const char *src_host = nullptr; + const char *dst_host = nullptr; + std::string rdv; + std::vector data; + int tag = 0; + int index = 0; + + PatternCommunication() + { + std::memset(&comm_addr, 0, sizeof(comm_addr)); + } + + PatternCommunication dup() const + { + simgrid::mc::PatternCommunication res; + // num? + res.comm_addr = this->comm_addr; + res.type = this->type; + // src_proc? + // dst_proc? + res.dst_proc = this->dst_proc; + res.dst_host = this->dst_host; + res.rdv = this->rdv; + res.data = this->data; + // tag? + res.index = this->index; + return res; + } + +}; + +/* Possible exploration status of a process in a state */ +enum class ProcessInterleaveState { + no_interleave=0, /* Do not interleave (do not execute) */ + interleave, /* Interleave the process (one or more request) */ + more_interleave, /* Interleave twice the process (for mc_random simcall) */ + done /* Already interleaved */ +}; + +/* On every state, each process has an entry of the following type */ +struct ProcessState { + /** Exploration control information */ + ProcessInterleaveState state = ProcessInterleaveState::no_interleave; + /** Number of times that the process was interleaved */ + unsigned int interleave_count; + + bool done() const + { + return this->state == ProcessInterleaveState::done; + } + bool interleave() const { + return this->state == ProcessInterleaveState::interleave + || this->state == ProcessInterleaveState::more_interleave; + } +}; + /* An exploration state. * * The `executed_state` is sometimes transformed into another `internal_req`. * For example WAITANY is transformes into a WAIT and TESTANY into TEST. - * See `MC_state_set_executed_request()`. + * See `MC_state_get_request_for_process()`. */ struct XBT_PRIVATE State { - unsigned long max_pid = 0; /* Maximum pid at state's creation time */ - mc_procstate_t proc_status = 0; /* State's exploration status by process */ - s_smx_synchro_t internal_comm; /* To be referenced by the internal_req */ - s_smx_simcall_t internal_req; /* Internal translation of request */ - s_smx_simcall_t executed_req; /* The executed request of the state */ - int req_num = 0; /* The request number (in the case of a - multi-request like waitany ) */ - std::shared_ptr system_state = nullptr; /* Snapshot of system state */ + + /** Sequential state number (used for debugging) */ int num = 0; - int in_visited_states = 0; - // comm determinism verification (xbt_dynar_t): - xbt_dynar_t incomplete_comm_pattern = nullptr; - xbt_dynar_t index_comm = nullptr; // comm determinism verification + + /* Next transition to explore for this communication + * + * Some transitions are not deterministic such as: + * + * * waitany which can receive different messages; + * + * * random which can produce different values. + * + * This variable is used to keep track of which transition + * should be explored next for a given simcall. + */ + int req_num = 0; + + /** State's exploration status by process */ + std::vector processStates; + + /** The simcall */ + s_smx_simcall_t executed_req; + + /* Internal translation of the simcall + * + * IMCALL_COMM_TESTANY is translated to a SIMCALL_COMM_TEST + * and SIMCALL_COMM_WAITANY to a SIMCALL_COMM_WAIT. + */ + s_smx_simcall_t internal_req; + + /* Can be used as a copy of the remote synchro object */ + s_smx_synchro_t internal_comm; + + /** Snapshot of system state (if needed) */ + std::shared_ptr system_state; + + // For CommunicationDeterminismChecker + std::vector> incomplete_comm_pattern; + std::vector communicationIndices; State(); - ~State(); + + std::size_t interleaveSize() const; }; XBT_PRIVATE void replay(std::list> const& stack); @@ -68,14 +142,9 @@ XBT_PRIVATE void replay(std::list> const& st } XBT_PRIVATE simgrid::mc::State* MC_state_new(void); -XBT_PRIVATE void MC_state_delete(simgrid::mc::State* state, int free_snapshot); XBT_PRIVATE void MC_state_interleave_process(simgrid::mc::State* state, smx_process_t process); -XBT_PRIVATE unsigned int MC_state_interleave_size(simgrid::mc::State* state); -XBT_PRIVATE int MC_state_process_is_done(simgrid::mc::State* state, smx_process_t process); -XBT_PRIVATE void MC_state_set_executed_request(simgrid::mc::State* state, smx_simcall_t req, int value); XBT_PRIVATE smx_simcall_t MC_state_get_executed_request(simgrid::mc::State* state, int *value); XBT_PRIVATE smx_simcall_t MC_state_get_internal_request(simgrid::mc::State* state); XBT_PRIVATE smx_simcall_t MC_state_get_request(simgrid::mc::State* state, int *value); -XBT_PRIVATE void MC_state_remove_interleave_process(simgrid::mc::State* state, smx_process_t process); #endif