X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9838d9f52ef61dc3aa9ac5afef9989e0987155da..0de7df8a3bc351fdff4c4a3e106608b15c842143:/src/simdag/sd_global.c diff --git a/src/simdag/sd_global.c b/src/simdag/sd_global.c index cfcab36cea..a73ce53abd 100644 --- a/src/simdag/sd_global.c +++ b/src/simdag/sd_global.c @@ -1,14 +1,39 @@ +/* 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 "xbt/sysdep.h" #include "xbt/dynar.h" #include "surf/surf.h" - -XBT_LOG_NEW_CATEGORY(sd,"Logging specific to SimDag"); -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_kernel,sd, - "Logging specific to SimDag (kernel)"); +#include "xbt/ex.h" +#include "xbt/log.h" +#include "xbt/str.h" +#include "xbt/config.h" +#include "instr/instr_private.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, + "Logging specific to SimDag (kernel)"); SD_global_t sd_global = NULL; +XBT_LOG_EXTERNAL_CATEGORY(sd_kernel); +XBT_LOG_EXTERNAL_CATEGORY(sd_task); +XBT_LOG_EXTERNAL_CATEGORY(sd_workstation); + /** * \brief Initialises SD internal data * @@ -19,27 +44,120 @@ SD_global_t sd_global = NULL; * \param argv argument list * \see SD_create_environment(), SD_exit() */ -void SD_init(int *argc, char **argv) { - xbt_assert0(sd_global == NULL, "SD_init already called"); +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"); - sd_global = xbt_new0(s_SD_global_t, 1); + /* 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); + + + 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; - s_SD_task_t task; - sd_global->not_scheduled_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)); - sd_global->running_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup)); - sd_global->done_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup)); - sd_global->failed_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup)); + sd_global->not_scheduled_task_set = + 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->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 = + xbt_swag_new(xbt_swag_offset(task, state_hookup)); + sd_global->done_task_set = + xbt_swag_new(xbt_swag_offset(task, state_hookup)); + sd_global->failed_task_set = + xbt_swag_new(xbt_swag_offset(task, state_hookup)); + sd_global->task_number = 0; surf_init(argc, argv); + + xbt_cfg_setdefault_string(_surf_cfg_set, "workstation/model", + "ptask_L07"); + +#ifdef HAVE_TRACING + TRACE_start (); +#endif + +#ifdef HAVE_JEDULE + jedule_sd_init(); +#endif +} + +/** + * \brief Reinits the application part of the simulation (experimental feature) + * + * This function allows you to run several simulations on the same platform + * by resetting the part describing the application. + * + * @warning: this function is still experimental and not perfect. For example, + * the simulation clock (and traces usage) is not reset. So, do not use it if + * you use traces in your simulation, and do not use absolute timing after using it. + * That being said, this function is still precious if you want to compare a bunch of + * heuristics on the same platforms. + */ +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->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); + + sd_global->not_scheduled_task_set = + 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->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 = + xbt_swag_new(xbt_swag_offset(task, state_hookup)); + sd_global->done_task_set = + xbt_swag_new(xbt_swag_offset(task, state_hookup)); + sd_global->failed_task_set = + xbt_swag_new(xbt_swag_offset(task, state_hookup)); + sd_global->task_number = 0; + +#ifdef HAVE_JEDULE + jedule_sd_cleanup(); + jedule_sd_init(); +#endif + + } else { + WARN0("SD_application_reinit called before initialization of SimDag"); + /* we cannot use exceptions here because xbt is not running! */ + } + } /** @@ -54,172 +172,202 @@ void SD_init(int *argc, char **argv) { * * The XML file follows this DTD: * - * \include surfxml.dtd + * \include simgrid.dtd * - * Here is a small example of such a platform: + * Here is a small example of such a platform: * * \include small_platform.xml */ -void SD_create_environment(const char *platform_file) { +void SD_create_environment(const char *platform_file) +{ xbt_dict_cursor_t cursor = NULL; char *name = NULL; void *surf_workstation = NULL; void *surf_link = NULL; - SD_CHECK_INIT_DONE(); - - surf_timer_resource_init(platform_file); /* tell Surf to create the environnement */ + platform_filename = bprintf("%s",platform_file); - surf_workstation_resource_init_KCCFLN05(platform_file); -/* surf_workstation_resource_init_CLM03(platform_file); */ + // Reset callbacks + surf_parse_reset_callbacks(); + // Add config callbacks + surf_parse_add_callback_config(); + SD_CHECK_INIT_DONE(); + parse_platform_file(platform_file); + surf_config_models_create_elms(); /* now let's create the SD wrappers for workstations and links */ - xbt_dict_foreach(workstation_set, cursor, name, surf_workstation) { + xbt_dict_foreach(surf_model_resource_set(surf_workstation_model), cursor, + name, surf_workstation) { __SD_workstation_create(surf_workstation, NULL); } - xbt_dict_foreach(network_link_set, cursor, name, surf_link) { + xbt_dict_foreach(surf_model_resource_set(surf_network_model), cursor, + name, surf_link) { __SD_link_create(surf_link, NULL); } + + DEBUG2("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 nonpositive 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. * \see SD_task_schedule(), SD_task_watch() */ -SD_task_t* SD_simulate(double how_long) +xbt_dynar_t SD_simulate(double how_long) { - double total_time = 0.0; /* we stop the simulation when total_time >= 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, dst; + SD_task_t task, task_safe, dst; SD_dependency_t dependency; surf_action_t action; - SD_task_t *changed_tasks = NULL; - int changed_task_number = 0; - int changed_task_capacity = 16; /* will be increased if necessary */ - int i; + xbt_dynar_t changed_tasks = xbt_dynar_new(sizeof(SD_task_t), NULL); + unsigned int iter, depcnt; static int first_time = 1; - INFO0("Starting simulation..."); + SD_CHECK_INIT_DONE(); - /* create the array that will be returned */ - changed_tasks = xbt_new0(SD_task_t, changed_task_capacity); - changed_tasks[0] = NULL; + if (first_time) { + VERB0("Starting simulation..."); - if (first_time) { - surf_solve(); /* Takes traces into account. Returns 0.0 */ + surf_presolve(); /* Takes traces into account */ first_time = 0; } sd_global->watch_point_reached = 0; - /* explore the ready tasks */ - xbt_swag_foreach(task, sd_global->ready_task_set) { - INFO1("Executing task '%s'", SD_task_get_name(task)); - __SD_task_run(task); - surf_workstation_resource->common_public->action_set_data(task->surf_action, task); - task->state_changed = 1; - - changed_tasks[changed_task_number++] = task; /* replace NULL by the task */ - if (changed_task_number == changed_task_capacity) { - changed_task_capacity *= 2; - changed_tasks = xbt_realloc(changed_tasks, sizeof(SD_task_t) * changed_task_capacity); - } - changed_tasks[changed_task_number] = NULL; + /* explore the runnable tasks */ + xbt_swag_foreach_safe(task, task_safe, sd_global->runnable_task_set) { + VERB1("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); } /* main loop */ elapsed_time = 0.0; while (elapsed_time >= 0.0 && - (how_long < 0.0 || total_time < how_long) && - !sd_global->watch_point_reached) { + (how_long < 0.0 || total_time < how_long) && + !sd_global->watch_point_reached) { + surf_model_t model = NULL; + /* dumb variables */ + DEBUG1("Total time: %f", total_time); - elapsed_time = surf_solve(); + elapsed_time = surf_solve(how_long > 0 ? surf_get_clock() + how_long : -1.0); DEBUG1("surf_solve() returns %f", elapsed_time); if (elapsed_time > 0.0) total_time += elapsed_time; /* let's see which tasks are done */ - while ((action = xbt_swag_extract(surf_workstation_resource->common_public->states.done_action_set))) { - task = action->data; - INFO1("Task '%s' done", SD_task_get_name(task)); - __SD_task_set_state(task, SD_DONE); - surf_workstation_resource->common_public->action_free(action); - task->surf_action = NULL; - - /* the state has changed */ - if (!task->state_changed) { - task->state_changed = 1; - changed_tasks[changed_task_number++] = task; - if (changed_task_number == changed_task_capacity) { - changed_task_capacity *= 2; - changed_tasks = xbt_realloc(changed_tasks, sizeof(SD_task_t) * changed_task_capacity); - } - changed_tasks[changed_task_number] = NULL; + xbt_dynar_foreach(model_list, iter, model) { + while ((action = xbt_swag_extract(model->states.done_action_set))) { + task = action->data; + task->start_time = + surf_workstation_model-> + action_get_start_time(task->surf_action); + task->finish_time = surf_get_clock(); + VERB1("Task '%s' done", SD_task_get_name(task)); + DEBUG0("Calling __SD_task_just_done"); + __SD_task_just_done(task); + DEBUG1("__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); + + /* remove the dependencies after this task */ + xbt_dynar_foreach(task->tasks_after, depcnt, dependency) { + dst = dependency->dst; + if (dst->unsatisfied_dependencies > 0) + dst->unsatisfied_dependencies--; + if (dst->is_not_ready > 0) + 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_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--; + + 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) { + VERB1("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); + } + } } - /* remove the dependencies after this task */ - while (xbt_dynar_length(task->tasks_after) > 0) { - xbt_dynar_get_cpy(task->tasks_after, 0, &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)); - dst->surf_action = __SD_task_run(dst); - surf_workstation_resource->common_public->action_set_data(dst->surf_action, dst); - dst->state_changed = 1; - - changed_tasks[changed_task_number++] = dst; - if (changed_task_number == changed_task_capacity) { - changed_task_capacity *= 2; - changed_tasks = xbt_realloc(changed_tasks, sizeof(SD_task_t) * changed_task_capacity); - } - changed_tasks[changed_task_number] = NULL; - } + /* let's see which tasks have just failed */ + while ((action = xbt_swag_extract(model->states.failed_action_set))) { + task = action->data; + task->start_time = + surf_workstation_model-> + action_get_start_time(task->surf_action); + task->finish_time = surf_get_clock(); + VERB1("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); } } + } - /* let's see which tasks have just failed */ - while ((action = xbt_swag_extract(surf_workstation_resource->common_public->states.failed_action_set))) { - task = action->data; - INFO1("Task '%s' failed", SD_task_get_name(task)); - __SD_task_set_state(task, SD_FAILED); - surf_workstation_resource->common_public->action_free(action); - task->surf_action = NULL; - - if (!task->state_changed) { - task->state_changed = 1; - changed_tasks[changed_task_number++] = task; - if (changed_task_number == changed_task_capacity) { - changed_task_capacity *= 2; - changed_tasks = xbt_realloc(changed_tasks, sizeof(SD_task_t) * changed_task_capacity); + if (!sd_global->watch_point_reached && how_long<0){ + if (xbt_swag_size(sd_global->done_task_set) < sd_global->task_number){ + WARN0("Simulation is finished but some tasks are still not done"); + xbt_swag_foreach_safe (task, task_safe,sd_global->not_scheduled_task_set){ + WARN1("%s is in SD_NOT_SCHEDULED state", SD_task_get_name(task)); + } + xbt_swag_foreach_safe (task, task_safe,sd_global->schedulable_task_set){ + WARN1("%s is in SD_SCHEDULABLE state", SD_task_get_name(task)); } - changed_tasks[changed_task_number] = NULL; - } + xbt_swag_foreach_safe (task, task_safe,sd_global->scheduled_task_set){ + WARN1("%s is in SD_SCHEDULED state", SD_task_get_name(task)); + } } } - /* we must reset every task->state_changed */ - i = 0; - while (changed_tasks[i] != NULL) { - changed_tasks[i]->state_changed = 0; - i++; - } - - INFO0("Simulation finished"); - DEBUG3("elapsed_time = %f, total_time = %f, watch_point_reached = %d", elapsed_time, total_time, sd_global->watch_point_reached); + DEBUG3("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()); return changed_tasks; @@ -230,7 +378,10 @@ SD_task_t* SD_simulate(double how_long) * * \return the current clock, in second */ -double SD_get_clock(void) { +double SD_get_clock(void) +{ + SD_CHECK_INIT_DONE(); + return surf_get_clock(); } @@ -242,8 +393,12 @@ double SD_get_clock(void) { * * \see SD_init(), SD_task_destroy() */ -void SD_exit(void) { - if (sd_global != NULL) { +void SD_exit(void) +{ +#ifdef HAVE_TRACING + TRACE_surf_release(); +#endif + if (SD_INITIALISED()) { DEBUG0("Destroying workstation and link dictionaries..."); xbt_dict_free(&sd_global->workstations); xbt_dict_free(&sd_global->links); @@ -255,17 +410,55 @@ void SD_exit(void) { 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->schedulable_task_set); xbt_swag_free(sd_global->scheduled_task_set); - xbt_swag_free(sd_global->ready_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_free(sd_global); + sd_global = NULL; + +#ifdef HAVE_TRACING + TRACE_end(); +#endif +#ifdef HAVE_JEDULE + jedule_sd_dump(); + jedule_sd_cleanup(); +#endif 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! */ + } +} + +/** + * \bried load script file + */ + +void SD_load_environment_script(const char *script_file) +{ +#ifdef HAVE_LUA + lua_State *L = lua_open(); + luaL_openlibs(L); + + if (luaL_loadfile(L, script_file) || lua_pcall(L, 0, 0, 0)) { + printf("error: %s\n", lua_tostring(L, -1)); + return; } +#else + xbt_die + ("Lua is not available!! to call SD_load_environment_script, lua should be available..."); +#endif + return; }