X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/70fe1bef83c75e436e2085c8cbb32ee401a1e273..dc3c3416c4cca30fef7c29422d45094687f59893:/src/simdag/sd_global.c diff --git a/src/simdag/sd_global.c b/src/simdag/sd_global.c index c2817fceef..af820432e2 100644 --- a/src/simdag/sd_global.c +++ b/src/simdag/sd_global.c @@ -1,11 +1,29 @@ +/* Copyright (c) 2006, 2007, 2008, 2009, 2010. 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 "private.h" +#include "instr/instr_interface.h" #include "xbt/sysdep.h" #include "xbt/dynar.h" #include "surf/surf.h" +#include "simgrid/sg_config.h" #include "xbt/ex.h" #include "xbt/log.h" #include "xbt/str.h" #include "xbt/config.h" +#include "surf/surfxml_parse.h" +#ifdef HAVE_LUA +#include +#include +#include +#endif + +#ifdef HAVE_JEDULE +#include "instr/jedule/jedule_sd_binding.h" +#endif XBT_LOG_NEW_CATEGORY(sd, "Logging specific to SimDag"); XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_kernel, sd, @@ -13,20 +31,8 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_kernel, sd, SD_global_t sd_global = NULL; -/* $Id$ */ - -/* Copyright (c) 2007 Arnaud Legrand. - 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. */ - -XBT_LOG_EXTERNAL_CATEGORY(sd_kernel); -XBT_LOG_EXTERNAL_CATEGORY(sd_task); -XBT_LOG_EXTERNAL_CATEGORY(sd_workstation); - /** - * \brief Initialises SD internal data + * \brief Initializes SD internal data * * This function must be called before any other SD function. Then you * should call SD_create_environment(). @@ -37,45 +43,58 @@ XBT_LOG_EXTERNAL_CATEGORY(sd_workstation); */ void SD_init(int *argc, char **argv) { +#ifdef HAVE_TRACING + TRACE_global_init(argc, argv); +#endif s_SD_task_t task; - xbt_assert0(!SD_INITIALISED(), "SD_init() already called"); - - /* Connect our log channels: that must be done manually under windows */ - XBT_LOG_CONNECT(sd_kernel, sd); - XBT_LOG_CONNECT(sd_task, sd); - XBT_LOG_CONNECT(sd_workstation, sd); - + xbt_assert(sd_global == NULL, "SD_init() already called"); sd_global = xbt_new(s_SD_global_t, 1); - sd_global->workstations = xbt_dict_new(); - sd_global->workstation_count = 0; sd_global->workstation_list = NULL; - sd_global->links = xbt_dict_new(); - sd_global->link_count = 0; sd_global->link_list = NULL; sd_global->recyclable_route = NULL; sd_global->watch_point_reached = 0; + sd_global->task_mallocator=xbt_mallocator_new(65536, SD_task_new_f,SD_task_free_f,SD_task_recycle_f); + sd_global->not_scheduled_task_set = - xbt_swag_new(xbt_swag_offset(task, state_hookup)); + xbt_swag_new(xbt_swag_offset(task, state_hookup)); + sd_global->schedulable_task_set = + xbt_swag_new(xbt_swag_offset(task, state_hookup)); sd_global->scheduled_task_set = - xbt_swag_new(xbt_swag_offset(task, state_hookup)); - sd_global->ready_task_set = - xbt_swag_new(xbt_swag_offset(task, state_hookup)); + xbt_swag_new(xbt_swag_offset(task, state_hookup)); + sd_global->runnable_task_set = + xbt_swag_new(xbt_swag_offset(task, state_hookup)); sd_global->in_fifo_task_set = - xbt_swag_new(xbt_swag_offset(task, state_hookup)); + xbt_swag_new(xbt_swag_offset(task, state_hookup)); sd_global->running_task_set = - xbt_swag_new(xbt_swag_offset(task, state_hookup)); + xbt_swag_new(xbt_swag_offset(task, state_hookup)); sd_global->done_task_set = - xbt_swag_new(xbt_swag_offset(task, state_hookup)); + xbt_swag_new(xbt_swag_offset(task, state_hookup)); sd_global->failed_task_set = - xbt_swag_new(xbt_swag_offset(task, state_hookup)); + xbt_swag_new(xbt_swag_offset(task, state_hookup)); + sd_global->return_set = + xbt_swag_new(xbt_swag_offset(task, return_hookup)); sd_global->task_number = 0; surf_init(argc, argv); - xbt_cfg_set_string(_surf_cfg_set, "workstation_model", "ptask_L07"); + + xbt_cfg_setdefault_string(_sg_cfg_set, "workstation/model", + "ptask_L07"); + +#ifdef HAVE_TRACING + TRACE_start (); +#endif + +#ifdef HAVE_JEDULE + jedule_sd_init(); +#endif + + XBT_DEBUG("ADD SD LEVELS"); + SD_HOST_LEVEL = xbt_lib_add_level(host_lib,__SD_workstation_destroy); + SD_LINK_LEVEL = xbt_lib_add_level(link_lib,__SD_link_destroy); } /** @@ -95,44 +114,65 @@ void SD_application_reinit(void) s_SD_task_t task; - if (SD_INITIALISED()) { - DEBUG0("Recreating the swags..."); - xbt_swag_free(sd_global->not_scheduled_task_set); - xbt_swag_free(sd_global->scheduled_task_set); - xbt_swag_free(sd_global->ready_task_set); - xbt_swag_free(sd_global->in_fifo_task_set); - xbt_swag_free(sd_global->running_task_set); - xbt_swag_free(sd_global->done_task_set); - xbt_swag_free(sd_global->failed_task_set); - - sd_global->not_scheduled_task_set = + SD_task_t done_task, next_done_task; + + XBT_DEBUG("Recreating the swags..."); + xbt_swag_free(sd_global->not_scheduled_task_set); + xbt_swag_free(sd_global->schedulable_task_set); + xbt_swag_free(sd_global->scheduled_task_set); + xbt_swag_free(sd_global->runnable_task_set); + xbt_swag_free(sd_global->in_fifo_task_set); + xbt_swag_free(sd_global->running_task_set); + xbt_swag_free(sd_global->failed_task_set); + + sd_global->not_scheduled_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup)); - sd_global->scheduled_task_set = + sd_global->schedulable_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup)); - sd_global->ready_task_set = + xbt_swag_foreach_safe(done_task, next_done_task, sd_global->done_task_set){ + if (xbt_dynar_is_empty(done_task->tasks_before)){ + __SD_task_set_state(done_task, SD_SCHEDULABLE); + } else{ + __SD_task_set_state(done_task, SD_NOT_SCHEDULED); + done_task->unsatisfied_dependencies = + xbt_dynar_length(done_task->tasks_before); + done_task->is_not_ready = done_task->unsatisfied_dependencies; + } + free(done_task->workstation_list); + done_task->workstation_list = NULL; + done_task->workstation_nb = 0; + } + + xbt_swag_free(sd_global->done_task_set); + + sd_global->scheduled_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup)); - sd_global->in_fifo_task_set = + sd_global->runnable_task_set = + xbt_swag_new(xbt_swag_offset(task, state_hookup)); + sd_global->in_fifo_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup)); - sd_global->running_task_set = + sd_global->running_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup)); - sd_global->done_task_set = + sd_global->done_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup)); - sd_global->failed_task_set = + sd_global->failed_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup)); - sd_global->task_number = 0; - } else { - WARN0("SD_application_reinit called before initialization of SimDag"); - /* we cannot use exceptions here because xbt is not running! */ - } + sd_global->task_number = 0; + +#ifdef HAVE_JEDULE + jedule_sd_dump(); + jedule_sd_cleanup(); + jedule_sd_init(); +#endif } /** * \brief Creates the environment * - * The environment (i.e. the \ref SD_workstation_management "workstations" and the - * \ref SD_link_management "links") is created with the data stored in the given XML - * platform file. + * The environment (i.e. the \ref SD_workstation_management "workstations" + * and the \ref SD_link_management "links") is created with the data stored + * in the given XML platform file. * * \param platform_file name of an XML file describing the environment to create * \see SD_workstation_management, SD_link_management @@ -147,124 +187,169 @@ void SD_application_reinit(void) */ void SD_create_environment(const char *platform_file) { - xbt_dict_cursor_t cursor = NULL; + xbt_lib_cursor_t cursor = NULL; char *name = NULL; - void *surf_workstation = NULL; - void *surf_link = NULL; - - SD_CHECK_INIT_DONE(); - - DEBUG0("SD_create_environment"); - - surf_timer_model_init(platform_file); - surf_config_models_setup(platform_file); + void **surf_workstation = NULL; + void **surf_link = NULL; parse_platform_file(platform_file); /* now let's create the SD wrappers for workstations and links */ - xbt_dict_foreach(surf_model_resource_set(surf_workstation_model), cursor, - name, surf_workstation) { - __SD_workstation_create(surf_workstation, NULL); + xbt_lib_foreach(host_lib, cursor, name, surf_workstation){ + if(surf_workstation[SURF_WKS_LEVEL]) + __SD_workstation_create(surf_workstation[SURF_WKS_LEVEL], NULL); } - xbt_dict_foreach(surf_model_resource_set(surf_network_model), cursor, name, surf_link) { - __SD_link_create(surf_link, NULL); + xbt_lib_foreach(link_lib, cursor, name, surf_link) { + if(surf_link[SURF_LINK_LEVEL]) + __SD_link_create(surf_link[SURF_LINK_LEVEL], NULL); } - DEBUG2("Workstation number: %d, link number: %d", + XBT_DEBUG("Workstation number: %d, link number: %d", SD_workstation_get_number(), SD_link_get_number()); +#ifdef HAVE_JEDULE + jedule_setup_platform(); +#endif } /** * \brief Launches the simulation. * - * The function will execute the \ref SD_READY ready tasks. - * The simulation will be stopped when its time reaches \a how_long, - * when a watch point is reached, or when no more task can be executed. + * The function will execute the \ref SD_RUNNABLE runnable tasks. + * If \a how_long is positive, then the simulation will be stopped either + * when time reaches \a how_long or when a watch point is reached. + * A non-positive value for \a how_long means no time limit, in which case + * the simulation will be stopped either when a watch point is reached or + * when no more task can be executed. * Then you can call SD_simulate() again. * * \param how_long maximum duration of the simulation (a negative value means no time limit) - * \return a NULL-terminated array of \ref SD_task_t whose state has changed. + * \return a dynar of \ref SD_task_t whose state has changed. * \see SD_task_schedule(), SD_task_watch() */ -SD_task_t *SD_simulate(double how_long) -{ + +xbt_dynar_t SD_simulate(double how_long) { + xbt_dynar_t changed_tasks = xbt_dynar_new(sizeof(SD_task_t), NULL); + SD_task_t task; + + SD_simulate_swag(how_long); + while( (task = xbt_swag_extract(sd_global->return_set)) != NULL) { + xbt_dynar_push(changed_tasks, &task); + } + + return changed_tasks; +} + +xbt_swag_t SD_simulate_swag(double how_long) { double total_time = 0.0; /* we stop the simulation when total_time >= how_long */ double elapsed_time = 0.0; SD_task_t task, task_safe, dst; SD_dependency_t dependency; surf_action_t action; - SD_task_t *res = NULL; - xbt_dynar_t changed_tasks = xbt_dynar_new(sizeof(SD_task_t), NULL); - unsigned int iter; + unsigned int iter, depcnt; static int first_time = 1; - SD_CHECK_INIT_DONE(); - - INFO0("Starting simulation..."); - if (first_time) { + XBT_VERB("Starting simulation..."); + surf_presolve(); /* Takes traces into account */ first_time = 0; } - if (how_long > 0) { - surf_timer_model->extension.timer.set(surf_get_clock() + how_long, - NULL, NULL); - } + XBT_VERB("Run simulation for %f seconds", how_long); sd_global->watch_point_reached = 0; - /* explore the ready tasks */ - xbt_swag_foreach_safe(task, task_safe, sd_global->ready_task_set) { - INFO1("Executing task '%s'", SD_task_get_name(task)); - if (__SD_task_try_to_run(task) && !xbt_dynar_member(changed_tasks, &task)) - xbt_dynar_push(changed_tasks, &task); + xbt_swag_reset(sd_global->return_set); + + /* explore the runnable tasks */ + xbt_swag_foreach_safe(task, task_safe, sd_global->runnable_task_set) { + XBT_VERB("Executing task '%s'", SD_task_get_name(task)); + if (__SD_task_try_to_run(task)) + xbt_swag_insert(task,sd_global->return_set); } /* main loop */ elapsed_time = 0.0; while (elapsed_time >= 0.0 && - (how_long < 0.0 || total_time < how_long) && + (how_long < 0.0 || 0.00001 < (how_long -total_time)) && !sd_global->watch_point_reached) { surf_model_t model = NULL; /* dumb variables */ - void *fun = NULL; - void *arg = NULL; - DEBUG1("Total time: %f", total_time); + XBT_DEBUG("Total time: %f", total_time); - elapsed_time = surf_solve(); - DEBUG1("surf_solve() returns %f", elapsed_time); + elapsed_time = surf_solve(how_long > 0 ? surf_get_clock() + how_long - total_time: -1.0); + XBT_DEBUG("surf_solve() returns %f", elapsed_time); if (elapsed_time > 0.0) total_time += elapsed_time; + /* FIXME: shoud look at model_list or model_list_invoke? */ /* let's see which tasks are done */ xbt_dynar_foreach(model_list, iter, model) { while ((action = xbt_swag_extract(model->states.done_action_set))) { task = action->data; - INFO1("Task '%s' done", SD_task_get_name(task)); - DEBUG0("Calling __SD_task_just_done"); + task->start_time = + surf_workstation_model-> + action_get_start_time(task->surf_action); + task->finish_time = surf_get_clock(); + XBT_VERB("Task '%s' done", SD_task_get_name(task)); + XBT_DEBUG("Calling __SD_task_just_done"); __SD_task_just_done(task); - DEBUG1("__SD_task_just_done called on task '%s'", + XBT_DEBUG("__SD_task_just_done called on task '%s'", SD_task_get_name(task)); /* the state has changed */ - if (!xbt_dynar_member(changed_tasks, &task)) - xbt_dynar_push(changed_tasks, &task); + xbt_swag_insert(task,sd_global->return_set); /* remove the dependencies after this task */ - while (xbt_dynar_length(task->tasks_after) > 0) { - xbt_dynar_get_cpy(task->tasks_after, 0, &dependency); + xbt_dynar_foreach(task->tasks_after, depcnt, dependency) { dst = dependency->dst; - SD_task_dependency_remove(task, dst); - - /* is dst ready now? */ - if (__SD_task_is_ready(dst) && !sd_global->watch_point_reached) { - INFO1("Executing task '%s'", SD_task_get_name(dst)); - if (__SD_task_try_to_run(dst) && - !xbt_dynar_member(changed_tasks, &task)) - xbt_dynar_push(changed_tasks, &task); + if (dst->unsatisfied_dependencies > 0) + dst->unsatisfied_dependencies--; + if (dst->is_not_ready > 0) + dst->is_not_ready--; + + XBT_DEBUG("Released a dependency on %s: %d remain(s). Became schedulable if %d=0", + SD_task_get_name(dst), dst->unsatisfied_dependencies, + dst->is_not_ready); + + if (!(dst->unsatisfied_dependencies)) { + if (__SD_task_is_scheduled(dst)) + __SD_task_set_state(dst, SD_RUNNABLE); + else + __SD_task_set_state(dst, SD_SCHEDULABLE); + } + + if (__SD_task_is_not_scheduled(dst) && !(dst->is_not_ready)) { + __SD_task_set_state(dst, SD_SCHEDULABLE); + } + + if (SD_task_get_kind(dst) == SD_TASK_COMM_E2E) { + SD_dependency_t comm_dep; + SD_task_t comm_dst; + xbt_dynar_get_cpy(dst->tasks_after, 0, &comm_dep); + comm_dst = comm_dep->dst; + if (__SD_task_is_not_scheduled(comm_dst) && + comm_dst->is_not_ready > 0) { + comm_dst->is_not_ready--; + + XBT_DEBUG("%s is a transfer, %s may be ready now if %d=0", + SD_task_get_name(dst), SD_task_get_name(comm_dst), + comm_dst->is_not_ready); + + if (!(comm_dst->is_not_ready)) { + __SD_task_set_state(comm_dst, SD_SCHEDULABLE); + } + } + } + + /* is dst runnable now? */ + if (__SD_task_is_runnable(dst) + && !sd_global->watch_point_reached) { + XBT_VERB("Executing task '%s'", SD_task_get_name(dst)); + if (__SD_task_try_to_run(dst)) + xbt_swag_insert(dst,sd_global->return_set); } } } @@ -272,33 +357,41 @@ SD_task_t *SD_simulate(double how_long) /* let's see which tasks have just failed */ while ((action = xbt_swag_extract(model->states.failed_action_set))) { task = action->data; - INFO1("Task '%s' failed", SD_task_get_name(task)); + task->start_time = + surf_workstation_model-> + action_get_start_time(task->surf_action); + task->finish_time = surf_get_clock(); + XBT_VERB("Task '%s' failed", SD_task_get_name(task)); __SD_task_set_state(task, SD_FAILED); surf_workstation_model->action_unref(action); task->surf_action = NULL; - if (!xbt_dynar_member(changed_tasks, &task)) - xbt_dynar_push(changed_tasks, &task); + xbt_swag_insert(task,sd_global->return_set); } } + } - while (surf_timer_model->extension.timer.get(&fun, (void *) &arg)) { + if (!sd_global->watch_point_reached && how_long<0){ + if (xbt_swag_size(sd_global->done_task_set) < sd_global->task_number){ + XBT_WARN("Simulation is finished but %d tasks are still not done", + (sd_global->task_number - xbt_swag_size(sd_global->done_task_set))); + xbt_swag_foreach_safe (task, task_safe,sd_global->not_scheduled_task_set){ + XBT_WARN("%s is in SD_NOT_SCHEDULED state", SD_task_get_name(task)); } + xbt_swag_foreach_safe (task, task_safe,sd_global->schedulable_task_set){ + XBT_WARN("%s is in SD_SCHEDULABLE state", SD_task_get_name(task)); } - - res = xbt_new0(SD_task_t, (xbt_dynar_length(changed_tasks) + 1)); - - xbt_dynar_foreach(changed_tasks, iter, task) { - res[iter] = task; + xbt_swag_foreach_safe (task, task_safe,sd_global->scheduled_task_set){ + XBT_WARN("%s is in SD_SCHEDULED state", SD_task_get_name(task)); + } + } } - xbt_dynar_free(&changed_tasks); - INFO0("Simulation finished"); - DEBUG3("elapsed_time = %f, total_time = %f, watch_point_reached = %d", + XBT_DEBUG("elapsed_time = %f, total_time = %f, watch_point_reached = %d", elapsed_time, total_time, sd_global->watch_point_reached); - DEBUG1("current time = %f", surf_get_clock()); + XBT_DEBUG("current time = %f", surf_get_clock()); - return res; + return sd_global->return_set; } /** @@ -306,54 +399,54 @@ SD_task_t *SD_simulate(double how_long) * * \return the current clock, in second */ -double SD_get_clock(void) -{ - SD_CHECK_INIT_DONE(); - +double SD_get_clock(void) { return surf_get_clock(); } /** * \brief Destroys all SD internal data * - * This function should be called when the simulation is over. Don't forget also to destroy - * the tasks. + * This function should be called when the simulation is over. Don't forget + * to destroy too. * * \see SD_init(), SD_task_destroy() */ void SD_exit(void) { - if (SD_INITIALISED()) { - DEBUG0("Destroying workstation and link dictionaries..."); - xbt_dict_free(&sd_global->workstations); - xbt_dict_free(&sd_global->links); - - DEBUG0("Destroying workstation and link arrays if necessary..."); - if (sd_global->workstation_list != NULL) - xbt_free(sd_global->workstation_list); - - if (sd_global->link_list != NULL) - xbt_free(sd_global->link_list); - - if (sd_global->recyclable_route != NULL) - xbt_free(sd_global->recyclable_route); - - DEBUG0("Destroying the swags..."); - xbt_swag_free(sd_global->not_scheduled_task_set); - xbt_swag_free(sd_global->scheduled_task_set); - xbt_swag_free(sd_global->ready_task_set); - xbt_swag_free(sd_global->in_fifo_task_set); - xbt_swag_free(sd_global->running_task_set); - xbt_swag_free(sd_global->done_task_set); - xbt_swag_free(sd_global->failed_task_set); - - xbt_free(sd_global); - sd_global = NULL; - - DEBUG0("Exiting Surf..."); - surf_exit(); - } else { - WARN0("SD_exit() called, but SimDag is not running"); - /* we cannot use exceptions here because xbt is not running! */ - } +#ifdef HAVE_TRACING + TRACE_surf_resource_utilization_release(); +#endif + + xbt_mallocator_free(sd_global->task_mallocator); + + XBT_DEBUG("Destroying workstation and link arrays..."); + xbt_free(sd_global->workstation_list); + xbt_free(sd_global->link_list); + xbt_free(sd_global->recyclable_route); + + XBT_DEBUG("Destroying the swags..."); + xbt_swag_free(sd_global->not_scheduled_task_set); + xbt_swag_free(sd_global->schedulable_task_set); + xbt_swag_free(sd_global->scheduled_task_set); + xbt_swag_free(sd_global->runnable_task_set); + xbt_swag_free(sd_global->in_fifo_task_set); + xbt_swag_free(sd_global->running_task_set); + xbt_swag_free(sd_global->done_task_set); + xbt_swag_free(sd_global->failed_task_set); + xbt_swag_free(sd_global->return_set); + +#ifdef HAVE_TRACING + TRACE_end(); +#endif + + XBT_DEBUG("Exiting Surf..."); + surf_exit(); + + xbt_free(sd_global); + sd_global = NULL; + +#ifdef HAVE_JEDULE + jedule_sd_dump(); + jedule_sd_cleanup(); +#endif }