examples/simdag/sd_fail.c

   1 /* Copyright (c) 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include "simdag/simdag.h"
  10 #include "xbt/ex.h"
  11 #include "xbt/log.h"
  12
  13 XBT_LOG_NEW_DEFAULT_CATEGORY(sd_fail,
  14                              "Logging specific to this SimDag example");
  15
  16 int main(int argc, char **argv)
  17 {
  18   SD_task_t task;
  19   double computation_amount[1];
  20   double communication_amount[2] = { 0 };
  21   SD_workstation_t workstation_list[1];
  22   /* initialization of SD */
  23   SD_init(&argc, argv);
  24
  25   /* creation of the environment */
  26   SD_create_environment("./faulty_host.xml");
  27
  28   /* creation of a single task that will poorly fail when the workstation
  29    * will stop */
  30   XBT_INFO("First test: COMP_SEQ task");
  31   task = SD_task_create_comp_seq("Poor task", NULL, 2e10);
  32
  33   XBT_INFO("Schedule task '%s' on workstation 'Faulty Host'",
  34            SD_task_get_name(task));
  35
  36   SD_task_schedulel(task, 1, SD_workstation_get_by_name("Faulty Host"));
  37
  38   SD_simulate(-1.0);
  39
  40   SD_task_dump(task);
  41
  42   XBT_INFO("Task '%s' has failed. %.f flops remain to be done",
  43            SD_task_get_name(task),
  44            SD_task_get_remaining_amount(task));
  45
  46   XBT_INFO("let's unschedule task '%s' and reschedule it on the 'Safe Host'",
  47            SD_task_get_name(task));
  48   SD_task_unschedule(task);
  49   SD_task_schedulel(task, 1, SD_workstation_get_by_name("Safe Host"));
  50
  51   XBT_INFO("Run the simulation again");
  52   SD_simulate(-1.0);
  53
  54   SD_task_dump(task);
  55   XBT_INFO("Task '%s' start time: %f, finish time: %f",
  56       SD_task_get_name(task),
  57       SD_task_get_start_time(task),
  58       SD_task_get_finish_time(task));
  59
  60   SD_task_destroy(task);
  61   task=NULL;
  62
  63   XBT_INFO("Second test: NON TYPED task");
  64
  65   task = SD_task_create("Poor parallel task", NULL, 2e10);
  66   computation_amount[0] = 2e10;
  67
  68   XBT_INFO("Schedule task '%s' on workstation 'Faulty Host'",
  69              SD_task_get_name(task));
  70
  71   workstation_list[0] = SD_workstation_get_by_name("Faulty Host");
  72   SD_task_schedule(task, 1, workstation_list,
  73           computation_amount, communication_amount,-1);
  74
  75   SD_simulate(-1.0);
  76
  77   SD_task_dump(task);
  78
  79   XBT_INFO("Task '%s' has failed. %.f flops remain to be done",
  80             SD_task_get_name(task),
  81             SD_task_get_remaining_amount(task));
  82
  83   XBT_INFO("let's unschedule task '%s' and reschedule it on the 'Safe Host'",
  84            SD_task_get_name(task));
  85   SD_task_unschedule(task);
  86
  87   workstation_list[0] = SD_workstation_get_by_name("Safe Host");
  88
  89   SD_task_schedule(task, 1, workstation_list,
  90                    computation_amount, communication_amount,-1);
  91
  92   XBT_INFO("Run the simulation again");
  93   SD_simulate(-1.0);
  94
  95   SD_task_dump(task);
  96   XBT_INFO("Task '%s' start time: %f, finish time: %f",
  97            SD_task_get_name(task),
  98            SD_task_get_start_time(task),
  99            SD_task_get_finish_time(task));
 100
 101   SD_task_destroy(task);
 102   SD_exit();
 103   return 0;
 104 }