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1099 pj 1
/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *   (see the web pages for full authors list)
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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/*
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 * Copyright (C) 2000 Paolo Gai
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 *
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 * CVS :        $Id: aster2.c,v 1.1 2002-10-28 08:13:37 pj Exp $
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 this is a part of the classic Hartik demo Aster.
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 It checks:
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 - jet functions
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 - The EDF level with many task, with almost full bandwidth used
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*/
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#include "kernel/kern.h"
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#include "modules//edf.h"
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int num_aster = 0;
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#define ASTER_LIM       60
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#define DISPLAY_MAX     15
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#define ASTER_MAX       70
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#define STAT_Y           9
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// first numbers for wcet and periods are for a 486/25, the others for a 
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// celeron 366
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#define PER_WCET     13000 /*6200*/
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#define CLOCK_WCET    1200 /* 100*/
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#define ASTER_WCET    1200 /* 100*/
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#define ASTER_MEAN_PERIOD 64 /*64*/
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#define END_TEST_TIME  60
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TASK asteroide(void)
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{
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  int i;
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  int y = rand() % 7 + 1;
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  int load1,j;
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  char s[2];
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  s[0] = '*'; s[1] = 0;
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  /*for (;;)*/ {
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    i = 1;
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    while (i < ASTER_LIM) {
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      load1 = 1000; //10000; // 5000 + rand()%5000;
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      for (j=0; j<load1; j++) {
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        s[0] = '*' + rand() % 100;
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        puts_xy(i,y,rand()%15+1,s);
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      }
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      task_endcycle();
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      puts_xy(i,y,WHITE," ");
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      i++;
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    }
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  }
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  num_aster--;
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  return 0;
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}
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TASK aster()
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{
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  PID p;
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  HARD_TASK_MODEL m;
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  int r;
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  int x; // adaptive bandwidth...
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  hard_task_default_model(m);
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  hard_task_def_wcet(m,PER_WCET);
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  hard_task_def_ctrl_jet(m);
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  x = ASTER_MEAN_PERIOD;
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  srand(7);
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  while (1) {
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    if (num_aster < ASTER_MAX) {
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      r = (rand() % 200);
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      hard_task_def_arg(m,(void *)((rand() % 7)+1));
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      hard_task_def_mit(m, (x+r)*1000);
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      p = task_create("aaa",asteroide,&m,NULL);
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      if (p == -1)
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        {
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          if (x < 500 && errno != ENO_AVAIL_TASK)  x += 1;
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          printf_xy(62,3,WHITE,"adapt=%3u err=%d",freedesc,errno);
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        }
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      else {
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        num_aster++;
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        printf_xy(62,3,WHITE,"adapt=%3u           ",x);//,errno);
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        task_activate(p);
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        x /= 2;
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        if (x<50) x = 50;
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      }
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    }
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    task_endcycle();
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  }
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}
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TASK clock()
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{
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  int s = 0, m = 0;
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  while(1) {
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    printf_xy(62,1,WHITE,"%2d:%2d ast=%d",m,s, num_aster);
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    printf_xy(62,2,WHITE,"U=%12u",EDF_usedbandwidth(0));
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    task_endcycle();
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    if (++s > 59) {
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      s = 0;
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      m++;
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    }
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    printf_xy(62,1,WHITE,"%2d:%2d ast=%d",m,s, num_aster);
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    printf_xy(62,2,WHITE,"U=%12u",EDF_usedbandwidth(0));
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    task_endcycle();
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  }
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}
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/* we consider the first ASTER_MAX + 2 tasks from the PID 2
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   and plot on the screen the elapsed times... */
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TASK jetcontrol()
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{
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  int i;  /* a counter */
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  TIME sum, max, curr, last[5];
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  int nact;
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  int j; /* the elements set by jet_gettable */
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  PID p;
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  kern_cli();
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  printf_xy(0,STAT_Y,WHITE,"PID  Mean T. Max T.  N.A.  Curr.    Last1  Last2  Last3  Last4  Last5");
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  kern_sti();
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  for (;;) {
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    for (i=0,p=0; i<DISPLAY_MAX+5 && p<MAX_PROC; p++) {
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      if (jet_getstat(p, &sum, &max, &nact, &curr) == -1) continue;
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      for (j=0; j<5; j++) last[j] = 0;
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      jet_gettable(p, &last[0], 5);
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      kern_cli();
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      printf_xy(0,STAT_Y+i+1,WHITE,"%-3d  %-6d  %-6d  %-4d  %-7d  %-5d  %-5d  %-5d  %-5d  %-5d",
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                p, (int)sum/(nact==0 ? 1 : nact), (int)max, nact, (int)curr, (int)last[0], (int)last[1], (int)last[2], (int)last[3], (int)last[4]);
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      kern_sti();
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      i++;
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    }
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  }
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}
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int main(int argc, char **argv)
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{
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  PID p1,p2,p3; //,p4,p5,p6;
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  HARD_TASK_MODEL m;
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  NRT_TASK_MODEL m_nrt;
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  struct timespec t;
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195
  clear();
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197
  hard_task_default_model(m);
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  hard_task_def_wcet(m,ASTER_WCET);
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  hard_task_def_mit(m,10000);
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  hard_task_def_group(m,1);
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  hard_task_def_ctrl_jet(m);
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  nrt_task_default_model(m_nrt);
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  nrt_task_def_group(m_nrt,1);
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  nrt_task_def_ctrl_jet(m_nrt);
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  p1 = task_create("Aster",aster,&m,NULL);
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  if (p1 == -1) {
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    perror("test7.c(main): Could not create task <aster> ...");
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    sys_end();
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  }
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  hard_task_def_mit(m,500000);
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  hard_task_def_wcet(m,CLOCK_WCET);
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  p2 = task_create("Clock",clock,&m,NULL);
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  if (p2 == -1) {
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    perror("test7.c(main): Could not create task <Clock> ...");
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    sys_end();
219
  }
220
 
221
  p3 = task_create("JetControl",jetcontrol,&m_nrt,NULL);
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  if (p2 == -1) {
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    perror("test7.c(main): Could not create task <JetControl> ...");
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    sys_end();
225
  }
226
 
227
  group_activate(1);
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229
  do {
230
    sys_gettime(&t);
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  } while (t.tv_sec < END_TEST_TIME);
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233
  sys_end();
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235
  return 0;
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}
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