X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/5dc86ff6da450ced640b10645791bf9e5273448b..0398e492623cdd79abef6beb6819fda9d01b39c9:/src/simix/smx_global.c diff --git a/src/simix/smx_global.c b/src/simix/smx_global.c index 2139013eca..24f9df4311 100644 --- a/src/simix/smx_global.c +++ b/src/simix/smx_global.c @@ -10,6 +10,7 @@ #include "xbt/log.h" #include "xbt/str.h" #include "xbt/ex.h" /* ex_backtrace_display */ +#include "mc/mc.h" XBT_LOG_EXTERNAL_CATEGORY(simix); XBT_LOG_EXTERNAL_CATEGORY(simix_action); @@ -22,16 +23,28 @@ XBT_LOG_EXTERNAL_CATEGORY(simix_context); XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_kernel, simix, "Logging specific to SIMIX (kernel)"); -SIMIX_Global_t simix_global = NULL; +smx_global_t simix_global = NULL; static xbt_heap_t simix_timers = NULL; +static void* SIMIX_action_mallocator_new_f(void); +static void SIMIX_action_mallocator_free_f(void* action); +static void SIMIX_action_mallocator_reset_f(void* action); + +extern void smx_ctx_raw_new_sr(void); + /* FIXME: Yeah, I'll do it in a portable maner one day [Mt] */ #include +int _surf_do_verbose_exit = 1; static void _XBT_CALL inthandler(int ignored) { - INFO0("CTRL-C pressed. Displaying status and bailing out"); - SIMIX_display_process_status(); + if ( _surf_do_verbose_exit ) { + XBT_INFO("CTRL-C pressed. Displaying status and bailing out"); + SIMIX_display_process_status(); + } + else { + XBT_INFO("CTRL-C pressed. bailing out without displaying because verbose-exit disabled"); + } exit(1); } @@ -63,28 +76,26 @@ void SIMIX_global_init(int *argc, char **argv) XBT_LOG_CONNECT(simix_synchro, simix); XBT_LOG_CONNECT(simix_context, simix); - simix_global = xbt_new0(s_SIMIX_Global_t, 1); + simix_global = xbt_new0(s_smx_global_t, 1); - simix_global->host = xbt_dict_new(); - simix_global->process_to_run = - xbt_swag_new(xbt_swag_offset(proc, synchro_hookup)); + simix_global->process_to_run = xbt_dynar_new(sizeof(smx_process_t), NULL); + simix_global->process_that_ran = xbt_dynar_new(sizeof(smx_process_t), NULL); simix_global->process_list = xbt_swag_new(xbt_swag_offset(proc, process_hookup)); simix_global->process_to_destroy = xbt_swag_new(xbt_swag_offset(proc, destroy_hookup)); - simix_global->current_process = NULL; simix_global->maestro_process = NULL; simix_global->registered_functions = xbt_dict_new(); - simix_global->create_process_function = NULL; - simix_global->kill_process_function = NULL; + simix_global->create_process_function = SIMIX_process_create; + simix_global->kill_process_function = SIMIX_process_kill; simix_global->cleanup_process_function = SIMIX_process_cleanup; + simix_global->action_mallocator = xbt_mallocator_new(65536, + SIMIX_action_mallocator_new_f, SIMIX_action_mallocator_free_f, + SIMIX_action_mallocator_reset_f); -#ifdef HAVE_LATENCY_BOUND_TRACKING - simix_global->latency_limited_dict = xbt_dict_new(); -#endif - + surf_init(argc, argv); /* Initialize SURF structures */ SIMIX_context_mod_init(); SIMIX_create_maestro_process(); @@ -92,19 +103,18 @@ void SIMIX_global_init(int *argc, char **argv) __xbt_running_ctx_fetch = SIMIX_process_get_running_context; __xbt_ex_terminate = SIMIX_process_exception_terminate; - /* Initialize request mechanism */ - SIMIX_request_init(); - /* Initialize the SIMIX network module */ SIMIX_network_init(); - + /* Prepare to display some more info when dying on Ctrl-C pressing */ signal(SIGINT, inthandler); - surf_init(argc, argv); /* Initialize SURF structures */ } if (!simix_timers) { simix_timers = xbt_heap_new(8, &free); } + + XBT_DEBUG("ADD SIMIX LEVELS"); + SIMIX_HOST_LEVEL = xbt_lib_add_level(host_lib,SIMIX_host_destroy); } /** @@ -114,28 +124,25 @@ void SIMIX_global_init(int *argc, char **argv) */ void SIMIX_clean(void) { +#ifdef TIME_BENCH + smx_ctx_raw_new_sr(); +#endif + /* Kill everyone (except maestro) */ - SIMIX_process_killall(); + SIMIX_process_killall(simix_global->maestro_process); /* Exit the SIMIX network module */ SIMIX_network_exit(); - - /* Exit request mechanism */ - SIMIX_request_destroy(); - + xbt_heap_free(simix_timers); /* Free the remaining data structures */ - xbt_swag_free(simix_global->process_to_run); + xbt_dynar_free(&simix_global->process_to_run); + xbt_dynar_free(&simix_global->process_that_ran); xbt_swag_free(simix_global->process_to_destroy); xbt_swag_free(simix_global->process_list); simix_global->process_list = NULL; simix_global->process_to_destroy = NULL; xbt_dict_free(&(simix_global->registered_functions)); - xbt_dict_free(&(simix_global->host)); - -#ifdef HAVE_LATENCY_BOUND_TRACKING - xbt_dict_free(&(simix_global->latency_limited_dict)); -#endif /* Let's free maestro now */ SIMIX_context_free(simix_global->maestro_process->context); @@ -152,6 +159,7 @@ void SIMIX_clean(void) surf_exit(); + xbt_mallocator_free(simix_global->action_mallocator); xbt_free(simix_global); simix_global = NULL; @@ -166,35 +174,49 @@ void SIMIX_clean(void) */ XBT_INLINE double SIMIX_get_clock(void) { - return surf_get_clock(); + if(MC_IS_ENABLED){ + return MC_process_clock_get(SIMIX_process_self()); + }else{ + return surf_get_clock(); + } } void SIMIX_run(void) { double time = 0; - smx_req_t req; + smx_process_t process; xbt_swag_t set; surf_action_t action; smx_timer_t timer; surf_model_t model; unsigned int iter; - + do { - do { - DEBUG0("New Schedule Round"); - SIMIX_context_runall(simix_global->process_to_run); - while((req = SIMIX_request_pop())){ - DEBUG1("Handling request %p", req); - SIMIX_request_pre(req); + XBT_DEBUG("New Schedule Round; size(queue)=%lu", + xbt_dynar_length(simix_global->process_to_run)); +#ifdef TIME_BENCH + smx_ctx_raw_new_sr(); +#endif + while (xbt_dynar_length(simix_global->process_to_run)) { + XBT_DEBUG("New Sub-Schedule Round; size(queue)=%lu", + xbt_dynar_length(simix_global->process_to_run)); + SIMIX_process_runall(); + xbt_dynar_foreach(simix_global->process_that_ran, iter, process) { + if (process->request.call != REQ_NO_REQ) { + XBT_DEBUG("Handling request %p", &process->request); + SIMIX_request_pre(&process->request, 0); + } } - } while (xbt_swag_size(simix_global->process_to_run)); + } - time = surf_solve(SIMIX_timer_next()); + time = SIMIX_timer_next(); + if (time != -1.0 || xbt_swag_size(simix_global->process_list) != 0) + time = surf_solve(time); /* Notify all the hosts that have failed */ /* FIXME: iterate through the list of failed host and mark each of them */ /* as failed. On each host, signal all the running processes with host_fail */ - + /* Handle any pending timer */ while (xbt_heap_size(simix_timers) > 0 && SIMIX_get_clock() >= SIMIX_timer_next()) { //FIXME: make the timers being real callbacks @@ -205,17 +227,31 @@ void SIMIX_run(void) } /* Wake up all process waiting for the action finish */ xbt_dynar_foreach(model_list, iter, model) { - for(set = model->states.failed_action_set; - set; - set = (set == model->states.failed_action_set) - ? model->states.done_action_set - : NULL) { + for (set = model->states.failed_action_set; + set; + set = (set == model->states.failed_action_set) + ? model->states.done_action_set + : NULL) { while ((action = xbt_swag_extract(set))) - SIMIX_request_post((smx_action_t)action->data); + SIMIX_request_post((smx_action_t) action->data); } } - } while(time != -1.0); + /* Clean processes to destroy */ + SIMIX_process_empty_trash(); + + } while (time != -1.0 || xbt_dynar_length(simix_global->process_to_run) > 0); + + if (xbt_swag_size(simix_global->process_list) != 0) { + +#ifdef HAVE_TRACING + TRACE_end(); +#endif + + XBT_WARN("Oops ! Deadlock or code not perfectly clean."); + SIMIX_display_process_status(); + xbt_abort(); + } } /** @@ -238,43 +274,40 @@ XBT_INLINE void SIMIX_timer_set(double date, void *function, void *arg) } /** - * \brief Registers a function to create a process. - * - * This function registers an user function to be called when a new process is created. The user function have to call the SIMIX_create_process function. - * \param function Create process function + * \brief Registers a function to create a process. * + * This function registers a function to be called + * when a new process is created. The function has + * to call SIMIX_process_create(). + * \param function create process function */ XBT_INLINE void SIMIX_function_register_process_create(smx_creation_func_t function) { - xbt_assert0((simix_global->create_process_function == NULL), - "Data already set"); - simix_global->create_process_function = function; } /** - * \brief Registers a function to kill a process. + * \brief Registers a function to kill a process. * - * This function registers an user function to be called when a new process is killed. The user function have to call the SIMIX_kill_process function. - * \param function Kill process function + * This function registers a function to be called when a + * process is killed. The function has to call the SIMIX_process_kill(). * + * \param function Kill process function */ -XBT_INLINE void SIMIX_function_register_process_kill(void_f_pvoid_t +XBT_INLINE void SIMIX_function_register_process_kill(void_pfn_smxprocess_t function) { - xbt_assert0((simix_global->kill_process_function == NULL), - "Data already set"); - simix_global->kill_process_function = function; } /** - * \brief Registers a function to cleanup a process. + * \brief Registers a function to cleanup a process. * - * This function registers an user function to be called when a new process ends properly. - * \param function cleanup process function + * This function registers a user function to be called when + * a process ends properly. * + * \param function cleanup process function */ XBT_INLINE void SIMIX_function_register_process_cleanup(void_pfn_smxprocess_t function) @@ -290,79 +323,70 @@ void SIMIX_display_process_status(void) } smx_process_t process = NULL; - /*xbt_fifo_item_t item = NULL; - smx_action_t act;*/ int nbprocess = xbt_swag_size(simix_global->process_list); - INFO1("%d processes are still running, waiting for something.", nbprocess); + XBT_INFO("%d processes are still running, waiting for something.", nbprocess); /* List the process and their state */ - INFO0 - ("Legend of the following listing: \" on : .\""); + XBT_INFO + ("Legend of the following listing: \"() on : .\""); xbt_swag_foreach(process, simix_global->process_list) { - char *who, *who2; - - asprintf(&who, "%s on %s: %s", - process->name, - process->smx_host->name, - (process->blocked) ? "[BLOCKED] " - : ((process->suspended) ? "[SUSPENDED] " : "")); if (process->waiting_action) { - who2 = bprintf("Waiting for action %p to finish", process->waiting_action); - } - /* - if (process->mutex) { - who2 = - bprintf("%s Blocked on mutex %p", who, - (XBT_LOG_ISENABLED(simix_kernel, xbt_log_priority_verbose)) ? - process->mutex : (void *) 0xdead); - free(who); - who = who2; - } else if (process->cond) { - who2 = - bprintf - ("%s Blocked on condition %p; Waiting for the following actions:", - who, - (XBT_LOG_ISENABLED(simix_kernel, xbt_log_priority_verbose)) ? - process->cond : (void *) 0xdead); - free(who); - who = who2; - xbt_fifo_foreach(process->cond->actions, item, act, smx_action_t) { - who2 = - bprintf("%s '%s'(%p)", who, act->name, - (XBT_LOG_ISENABLED(simix_kernel, xbt_log_priority_verbose)) - ? act : (void *) 0xdead); - free(who); - who = who2; - } - } else if (process->sem) { - who2 = - bprintf - ("%s Blocked on semaphore %p; Waiting for the following actions:", - who, - (XBT_LOG_ISENABLED(simix_kernel, xbt_log_priority_verbose)) ? - process->sem : (void *) 0xdead); - free(who); - who = who2; - xbt_fifo_foreach(process->sem->actions, item, act, smx_action_t) { - who2 = - bprintf("%s '%s'(%p)", who, act->name, - (XBT_LOG_ISENABLED(simix_kernel, xbt_log_priority_verbose)) - ? act : (void *) 0xdead); - free(who); - who = who2; - } + const char* action_description = "unknown"; + switch (process->waiting_action->type) { + + case SIMIX_ACTION_EXECUTE: + action_description = "execution"; + break; + + case SIMIX_ACTION_PARALLEL_EXECUTE: + action_description = "parallel execution"; + break; - } else { - who2 = - bprintf - ("%s Blocked in an unknown status (please report this bug)", who); - free(who); - who = who2; + case SIMIX_ACTION_COMMUNICATE: + action_description = "communication"; + break; + + case SIMIX_ACTION_SLEEP: + action_description = "sleeping"; + break; + + case SIMIX_ACTION_SYNCHRO: + action_description = "synchronization"; + break; + + case SIMIX_ACTION_IO: + action_description = "I/O"; + break; + } + XBT_INFO("Process %ld (%s@%s): waiting for %s action %p (%s) in state %d to finish", + process->pid, process->name, process->smx_host->name, + action_description, process->waiting_action, + process->waiting_action->name, process->waiting_action->state); + } + else { + XBT_INFO("Process %ld (%s@%s)", process->pid, process->name, process->smx_host->name); } - */ - INFO1("%s.", who); - free(who); } } + +static void* SIMIX_action_mallocator_new_f(void) { + smx_action_t action = xbt_new(s_smx_action_t, 1); + action->request_list = xbt_fifo_new(); + return action; +} + +static void SIMIX_action_mallocator_free_f(void* action) { + xbt_fifo_free(((smx_action_t) action)->request_list); + xbt_free(action); +} + +static void SIMIX_action_mallocator_reset_f(void* action) { + + // we also recycle the request list + xbt_fifo_t fifo = ((smx_action_t) action)->request_list; + xbt_fifo_reset(fifo); + memset(action, 0, sizeof(s_smx_action_t)); + ((smx_action_t) action)->request_list = fifo; +}