examples/simdag/dot/dot_test.c

   1 /* simple test trying to load a DAX file.                                   */
   2
   3 /* Copyright (c) 2009, 2010. The SimGrid Team.
   4  * All rights reserved.                                                     */
   5
   6 /* This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the license (GNU LGPL) which comes with this package. */
   8
   9 #include <stdlib.h>
  10 #include <stdio.h>
  11 #include "simdag/simdag.h"
  12 #include "xbt/log.h"
  13 #include "xbt/ex.h"
  14 #include <string.h>
  15
  16 XBT_LOG_NEW_DEFAULT_CATEGORY(test,
  17                 "Logging specific to this SimDag example");
  18
  19 static int name_compare_hosts(const void *n1, const void *n2)
  20 {
  21         char name1[80], name2[80];
  22         strcpy(name1, SD_workstation_get_name(*((SD_workstation_t *) n1)));
  23         strcpy(name2, SD_workstation_get_name(*((SD_workstation_t *) n2)));
  24
  25         return strcmp(name1, name2);
  26 }
  27
  28 int main(int argc, char **argv) {
  29         xbt_dynar_t dot, changed;
  30         unsigned int cursor;
  31         SD_task_t task;
  32
  33         /* initialisation of SD */
  34         SD_init(&argc, argv);
  35
  36         /* Check our arguments */
  37         if (argc < 3) {
  38                 INFO1("Usage: %s platform_file dot_file [trace_file]", argv[0]);
  39                 INFO1("example: %s ../sd_platform.xml Montage_50.xml Montage_50.mytrace", argv[0]);
  40                 exit(1);
  41         }
  42         char *tracefilename;
  43         if (argc == 3) {
  44                 char *last=strrchr(argv[2],'.');
  45
  46                 tracefilename=bprintf("%.*s.trace",(int)(last==NULL?strlen(argv[2]):last-argv[2]),argv[2]);
  47         } else {
  48                 tracefilename = xbt_strdup(argv[3]);
  49         }
  50
  51         /* creation of the environment */
  52         SD_create_environment(argv[1]);
  53
  54         /* load the DAX file */
  55         dot=SD_dotload(argv[2]);
  56
  57         /* Display all the tasks */
  58         INFO0("------------------- Display all tasks of the loaded DAG ---------------------------");
  59         xbt_dynar_foreach(dot,cursor,task) {
  60                 SD_task_dump(task);
  61         }
  62
  63         FILE *dotout = fopen("dot.dot","w");
  64         fprintf(dotout,"digraph A {\n");
  65         xbt_dynar_foreach(dot,cursor,task) {
  66                 SD_task_dotty(task,dotout);
  67         }
  68         fprintf(dotout,"}\n");
  69         fclose(dotout);
  70
  71         /* Schedule them all on the first workstation */
  72         INFO0("------------------- Schedule tasks ---------------------------");
  73         const SD_workstation_t *ws_list =  SD_workstation_get_list();
  74         int totalHosts = SD_workstation_get_number();
  75         qsort((void *) ws_list, totalHosts, sizeof(SD_workstation_t),
  76                         name_compare_hosts);
  77
  78         int count = SD_workstation_get_number();
  79         xbt_dynar_foreach(dot,cursor,task) {
  80                 if (SD_task_get_kind(task) == SD_TASK_COMP_SEQ) {
  81                         if (!strcmp(SD_task_get_name(task),"end"))
  82                                 SD_task_schedulel(task,1,ws_list[0]);
  83                         else
  84                                 SD_task_schedulel(task,1,ws_list[cursor%count]);
  85                 }
  86         }
  87
  88         INFO0("------------------- Run the schedule ---------------------------");
  89         changed = SD_simulate(-1);
  90         xbt_dynar_free_container(&changed);
  91         INFO0("------------------- Produce the trace file---------------------------");
  92         INFO1("Producing the trace of the run into %s",tracefilename);
  93         FILE*out = fopen(tracefilename,"w");
  94         xbt_assert1(out,"Cannot write to %s",tracefilename);
  95         free(tracefilename);
  96
  97         xbt_dynar_foreach(dot,cursor,task) {
  98                 int kind = SD_task_get_kind(task);
  99                 SD_workstation_t *wsl = SD_task_get_workstation_list(task);
 100                 switch (kind) {
 101                         case SD_TASK_COMP_SEQ:
 102                                 fprintf(out,"[%f] %s compute %f # %s\n",SD_task_get_start_time(task),
 103                                                 SD_workstation_get_name(wsl[0]),SD_task_get_amount(task),
 104                                                 SD_task_get_name(task));
 105                                 break;
 106                         case SD_TASK_COMM_E2E:
 107                                 fprintf(out,"[%f] %s send %s %f # %s\n",SD_task_get_start_time(task),
 108                                                 SD_workstation_get_name(wsl[0]),SD_workstation_get_name(wsl[1]),
 109                                                 SD_task_get_amount(task), SD_task_get_name(task));
 110                                 fprintf(out,"[%f] %s recv %s %f # %s\n",SD_task_get_finish_time(task),
 111                                                 SD_workstation_get_name(wsl[1]),SD_workstation_get_name(wsl[0]),
 112                                                 SD_task_get_amount(task), SD_task_get_name(task));
 113                                 break;
 114                         default:
 115                                 xbt_die(bprintf("Task %s is of unknown kind %d",SD_task_get_name(task),SD_task_get_kind(task)));
 116                 }
 117                 SD_task_destroy(task);
 118         }
 119         fclose(out);
 120
 121         /* exit */
 122         SD_exit();
 123         return 0;
 124 }