/* 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 "src/surf/surf_interface.hpp"
-#include "src/simdag/simdag_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 "simgrid/host.h"
-#include "xbt/ex.h"
+#include "src/simdag/simdag_private.h"
+#include "src/surf/surf_interface.hpp"
+
+#include "xbt/dynar.h"
#include "xbt/log.h"
-#include "xbt/str.h"
-#include "xbt/config.h"
-#include "surf/surfxml_parse.h"
+#include "xbt/sysdep.h"
#ifdef HAVE_JEDULE
#include "simgrid/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)");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_kernel, sd, "Logging specific to SimDag (kernel)");
SD_global_t sd_global = NULL;
/**
* \brief Initializes SD internal data
*
- * This function must be called before any other SD function. Then you
- * should call SD_create_environment().
+ * This function must be called before any other SD function. Then you should call SD_create_environment().
*
* \param argc argument number
* \param argv argument list
sd_global = xbt_new(s_SD_global_t, 1);
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->task_mallocator=xbt_mallocator_new(65536, SD_task_new_f, SD_task_free_f, SD_task_recycle_f);
sd_global->initial_task_set = xbt_dynar_new(sizeof(SD_task_t), NULL);
sd_global->executable_task_set = xbt_dynar_new(sizeof(SD_task_t), NULL);
sd_global->completed_task_set = xbt_dynar_new(sizeof(SD_task_t), NULL);
sd_global->return_set = xbt_dynar_new(sizeof(SD_task_t), NULL);
- sd_global->task_number = 0;
-
surf_init(argc, argv);
xbt_cfg_setdefault_string(_sg_cfg_set, "host/model",
/** \brief set a configuration variable
*
- * Do --help on any simgrid binary to see the list of currently existing
- * configuration variables, and see Section @ref options.
+ * Do --help on any simgrid binary to see the list of currently existing configuration variables, and
+ * see Section @ref options.
*
* Example:
* SD_config("host/model","default");
xbt_cfg_set_as_string(_sg_cfg_set, key, value);
}
-/**
- * \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;
-
-// SD_task_t done_task, next_done_task;
- xbt_die("This function is not working since the C++ links and others. Please report the problem if you really need that function.");
-
- XBT_DEBUG("Recreating the swags...");
-
-// 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;
-// }
-
- sd_global->task_number = 0;
-
-
-#ifdef HAVE_JEDULE
- jedule_sd_cleanup();
- jedule_sd_init();
-#endif
-}
-
/**
* \brief Creates the environment
*
- * The environment (i.e. the \ref sg_host_management "hosts"
- * 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 sg_host_management "hosts" 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 sg_host_management, SD_link_management
{
parse_platform_file(platform_file);
- XBT_DEBUG("Workstation number: %zu, link number: %d",
- sg_host_count(), sg_link_count());
+ XBT_DEBUG("Workstation number: %zu, link number: %d", sg_host_count(), sg_link_count());
#ifdef HAVE_JEDULE
jedule_setup_platform();
#endif
+ XBT_VERB("Starting simulation...");
+ surf_presolve(); /* Takes traces into account */
}
/**
* \brief Launches the simulation.
*
* 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.
+ * 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)
+ * \param how_long maximum duration of the simulation (a negative value means no time limit)
* \return a dynar of \ref SD_task_t whose state has changed.
* \see SD_task_schedule(), SD_task_watch()
*/
SD_dependency_t dependency;
surf_action_t action;
unsigned int iter, depcnt;
- static int first_time = 1;
-
- if (first_time) {
- XBT_VERB("Starting simulation...");
-
- surf_presolve(); /* Takes traces into account */
- first_time = 0;
- }
XBT_VERB("Run simulation for %f seconds", how_long);
sd_global->watch_point_reached = 0;
/* main loop */
elapsed_time = 0.0;
- while (elapsed_time >= 0.0 &&
- (how_long < 0.0 || 0.00001 < (how_long -total_time)) &&
+ while (elapsed_time >= 0.0 && (how_long < 0.0 || 0.00001 < (how_long -total_time)) &&
!sd_global->watch_point_reached) {
surf_model_t model = NULL;
- /* dumb variables */
-
XBT_DEBUG("Total time: %f", total_time);
task->surf_action = NULL;
/* the state has changed. Add it only if it's the first change */
- if (xbt_dynar_search_or_negative(sd_global->return_set, &task) < 0) {
+ if (!xbt_dynar_member(sd_global->return_set, &task)) {
xbt_dynar_push(sd_global->return_set, &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--;
+ 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);
+ SD_task_get_name(dst), dst->unsatisfied_dependencies, dst->is_not_ready);
if (!(dst->unsatisfied_dependencies)) {
if (SD_task_get_state(dst) == SD_SCHEDULED)
SD_task_set_state(dst, SD_SCHEDULABLE);
}
- if (SD_task_get_state(dst) == SD_NOT_SCHEDULED &&
- !(dst->is_not_ready)) {
+ if (SD_task_get_state(dst) == SD_NOT_SCHEDULED && !(dst->is_not_ready)) {
SD_task_set_state(dst, SD_SCHEDULABLE);
}
SD_task_t comm_dst;
xbt_dynar_get_cpy(dst->tasks_after, 0, &comm_dep);
comm_dst = comm_dep->dst;
- if (SD_task_get_state(comm_dst) == SD_NOT_SCHEDULED &&
- comm_dst->is_not_ready > 0) {
+ if (SD_task_get_state(comm_dst) == SD_NOT_SCHEDULED && 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);
+ 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_get_state(dst) == SD_RUNNABLE
- && !sd_global->watch_point_reached) {
+ if (SD_task_get_state(dst) == SD_RUNNABLE && !sd_global->watch_point_reached) {
XBT_VERB("Executing task '%s'", SD_task_get_name(dst));
SD_task_run(dst);
xbt_dynar_push(sd_global->return_set, &dst);
}
if (!sd_global->watch_point_reached && how_long<0){
- if ((int) xbt_dynar_length(sd_global->completed_task_set) <
- sd_global->task_number){
- XBT_WARN("Simulation is finished but %d tasks are still not done",
- (sd_global->task_number -
- (int) xbt_dynar_length(sd_global->completed_task_set)));
+ if (!xbt_dynar_is_empty(sd_global->initial_task_set)) {
+ XBT_WARN("Simulation is finished but %lu tasks are still not done",
+ xbt_dynar_length(sd_global->initial_task_set));
static const char* state_names[] =
- { "SD_NOT_SCHEDULED", "SD_SCHEDULABLE", "SD_SCHEDULED",
- "SD_RUNNABLE", "SD_RUNNING", "SD_DONE",
- "SD_FAILED" };
+ { "SD_NOT_SCHEDULED", "SD_SCHEDULABLE", "SD_SCHEDULED", "SD_RUNNABLE", "SD_RUNNING", "SD_DONE","SD_FAILED" };
xbt_dynar_foreach(sd_global->initial_task_set, iter, task){
- XBT_WARN("%s is in %s state", SD_task_get_name(task),
- state_names[SD_task_get_state(task)]);
+ XBT_WARN("%s is in %s state", SD_task_get_name(task), state_names[SD_task_get_state(task)]);
}
}
}
return sd_global->return_set;
}
-/**
- * \brief Returns the current clock
- *
- * \return the current clock, in second
- */
+/** @brief Returns the current clock, in seconds */
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
- * to destroy too.
+ * 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)
{
TRACE_surf_resource_utilization_release();
+ TRACE_end();
- xbt_mallocator_free(sd_global->task_mallocator);
+#ifdef HAVE_JEDULE
+ jedule_sd_cleanup();
+ jedule_sd_exit();
+#endif
- XBT_DEBUG("Destroying the dynars ...");
+ xbt_mallocator_free(sd_global->task_mallocator);
xbt_dynar_free_container(&(sd_global->initial_task_set));
xbt_dynar_free_container(&(sd_global->executable_task_set));
xbt_dynar_free_container(&(sd_global->completed_task_set));
xbt_dynar_free_container(&(sd_global->return_set));
-
- TRACE_end();
-
xbt_free(sd_global);
sd_global = NULL;
-#ifdef HAVE_JEDULE
- jedule_sd_cleanup();
- jedule_sd_exit();
-#endif
-
- XBT_DEBUG("Exiting Surf...");
surf_exit();
}