WebSVN - shark - Rev 1655 - /unsupported/branches/unsupported/perf/perf3.c

/*
* Project: HARTIK (HA-rd R-eal TI-me K-ernel)
*
* Coordinators: Giorgio Buttazzo <giorgio@sssup.it>
* Gerardo Lamastra <gerardo@sssup.it>
*
* Authors : Paolo Gai <pj@hartik.sssup.it>
* (see authors.txt for full list of hartik's authors)
*
* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
*
* http://www.sssup.it
* http://retis.sssup.it
* http://hartik.sssup.it
*/

/**
------------
CVS : $Id: perf3.c,v 1.1.1.1 2004-05-24 18:03:39 giacomo Exp $

File: $File$
Revision: $Revision: 1.1.1.1 $
Last update: $Date: 2004-05-24 18:03:39 $
------------

Performance Test 3:

this test is based on test D.

the test creates some random events. each event measure the difference
beetween his activation time and thecurrent time.

**/

/*
* Copyright (C) 2000 Paolo Gai
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/

#include "kernel/kern.h"
#include "modules/edf.h"
#include "modules/cbs.h"

int num_aster = 0;
#define ASTER_LIM 60
#define DISPLAY_MAX 15
#define ASTER_MAX 70
#define STAT_Y 9

#define PER_MAX 5
#define APER_MAX 8

#define PER_WCET 8200
#define APER_WCET 20400
#define CLOCK_WCET 1600
#define ASTER_WCET 1600
#define SOFT_MET 3300

#define APER_REP 22000

PID aper_table[APER_MAX];

int shutting_down = 0;

TASK asteroide(void)
{
int i;
int y = rand() % 7 + 1;

int load1,j;

char s[2];

s[0] = '*'; s[1] = 0;

for (;;) {
i = 1;
while (i < ASTER_LIM) {
load1 = 10000; //8000 + rand()%2000;
for (j=0; j<load1; j++) {
s[0] = '*' + rand() % 100;
puts_xy(i,y,rand()%15+1,s);
}

task_activate(aper_table[rand()%APER_MAX]);
task_endcycle();

puts_xy(i,y,WHITE," ");
i++;
}
}
//num_aster--;
}

TASK aper_asteroid(void *a)
{
int i;
int y = rand() % 7 + 1;

int load1,j;
int c;

char s[2];

c = (int)a;
s[0] = '*'; s[1] = 0;

for (;;) {
i = 1;
while (i < ASTER_LIM) {
load1 = APER_REP; //8000 + rand()%2000;
for (j=0; j<load1; j++) {
s[0] = '*' + rand() % 100;
puts_xy(i,y,rand()%15+1,s);
}
s[0] = c;
puts_xy(i,y,rand()%15+1,s);

if (shutting_down) {
kern_printf("±%d±",exec_shadow);
return 0;
}

task_endcycle();

puts_xy(i,y,WHITE," ");
i++;
}
}
}

TASK soft_aster(void)
{
int i;
int y = rand() % 7 + 1;

int load1,j;

char s[2];

s[0] = '*'; s[1] = 0;

/*for (;;)*/ {
i = 1;
while (i < ASTER_LIM) {
load1 = 1000 + rand()%9000;
for (j=0; j<load1; j++) {
s[0] = '*' + rand() % 100;
puts_xy(i,y,rand()%15+1,s);
}
s[0] = 1;
puts_xy(i,y,rand()%15+1,s);

task_activate(aper_table[rand()%APER_MAX]);
task_endcycle();

puts_xy(i,y,WHITE," ");
i++;
}
}
num_aster--;
return 0;
}

TASK aster()
{
PID p;

HARD_TASK_MODEL m;
SOFT_TASK_MODEL m_soft;
int r;
int x; // adaptive bandwidth...

srand(7);

hard_task_default_model(m);
hard_task_def_wcet(m,PER_WCET);
hard_task_def_ctrl_jet(m);
for (x=0; x<PER_MAX; x++) {
r = (rand() % 200);
hard_task_def_mit(m, (64+r)*1000);
p = task_create("per",asteroide,&m,NULL);
if (p!=-1) task_activate(p);
}

soft_task_default_model(m_soft);
soft_task_def_met(m_soft,SOFT_MET);
soft_task_def_ctrl_jet(m_soft);

x = 64;

while (1) {
if (num_aster < ASTER_MAX) {
r = (rand() % 200);

soft_task_def_period(m_soft, (x+r)*1000);
p = task_create("aaa",soft_aster,&m_soft,NULL);
if (p == -1)
{
if (x < 500 && errno != ENO_AVAIL_TASK) x += 1;
printf_xy(62,3,WHITE,"adapt=%3u err=%d",
iq_query_first(&freedesc), errno);
}
else {
num_aster++;
printf_xy(62,3,WHITE,"adapt=%3u ",x);//,errno);
task_activate(p);
x /= 2;
if (x<50) x = 50;
}
}
task_endcycle();
}
}

TASK clock()
{
int s = 0, m = 0;

while(1) {
printf_xy(62,1,WHITE,"%2d:%2d ast=%d",m,s, num_aster);
printf_xy(62,2,WHITE,"Uedf=%12u",EDF_usedbandwidth(0));
printf_xy(62,4,WHITE,"Ucbs=%12u",CBS_usedbandwidth(4));
task_endcycle();

if (++s > 59) {
s = 0;
m++;
}
printf_xy(62,1,WHITE,"%2d:%2d ast=%d",m,s, num_aster);
printf_xy(62,2,WHITE,"Uedf=%12u",EDF_usedbandwidth(0));
printf_xy(62,4,WHITE,"Ucbs=%12u",CBS_usedbandwidth(4));
task_endcycle();
}
}

/* we consider the first ASTER_MAX + 2 tasks from the PID 2
and plot on the screen the elapsed times... */
TASK jetcontrol()
{
int i; /* a counter */
TIME sum, max, curr, last[5];
int nact;
int j; /* the elements set by jet_gettable */
PID p;

kern_cli();
printf_xy(0,STAT_Y,WHITE,"PID ³ Mean T.³ Max T. ³ N.A. ³ Curr. ³ Last1 ³ Last2 ³ Last3 ³ Last4 ³ Last5");
kern_sti();

for (;;) {
for (i=0,p=0; i<DISPLAY_MAX+5 && p<MAX_PROC; p++) {
if (jet_getstat(p, &sum, &max, &nact, &curr) == -1 ||
((proc_table[p].pclass & 0xFF00) == HARD_PCLASS)) continue;

for (j=0; j<5; j++) last[j] = 0;
jet_gettable(p, &last[0], 5);
kern_cli();
if (proc_table[p].task_level == 4)
printf_xy(0,STAT_Y+i+1,WHITE,"%-3d ³ %-6d ³ %-6d ³ %-4d ³ %-7d ³ %-5d ³ %-5d ³ %-5d ³ %-5d ³ %-5d",
p, (int)sum/(nact==0 ? 1 : nact), (int)max, nact, (int)CBS_get_nact(4,p), (int)last[0], (int)last[1], (int)last[2], (int)last[3], (int)last[4]);
else
printf_xy(0,STAT_Y+i+1,WHITE,"%-3d ³ %-6d ³ %-6d ³ %-4d ³ %-7d ³ %-5d ³ %-5d ³ %-5d ³ %-5d ³ %-5d",
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]);
kern_sti();
i++;
}
}
}

void fine()
{
sys_end();
}

void exiting(void *arg)
{
kern_printf("EXITING");
shutting_down = 1;
}

struct timespec last_random_time;
TIME max=0;
TIME sum=0;
int n=0;

void random_event(void *arg)
{
struct timespec t, sub;
TIME delta;

// get the current time
kern_gettime(&t);

// compute the delta
SUBTIMESPEC(&t, &last_random_time, &sub);
delta = TIMESPEC2USEC(&sub);

// update the statistics
if (max < delta) max = delta;
sum += delta;
n++;

/* kern_printf("sub=%d.%d t=%d.%d last=%d.%d °\n",sub.tv_sec, sub.tv_nsec/1000,
t.tv_sec, t.tv_nsec/1000,
last_random_time.tv_sec, last_random_time.tv_nsec/1000);
*/ //return;
// create a new event
if (shutting_down)
return;

delta = (rand()%30000)+100;
ADDUSEC2TIMESPEC(delta, &t);
TIMESPEC_ASSIGN(&last_random_time, &t);
kern_event_post(&last_random_time, random_event, NULL);
}

void perftest_printdata(void *arg)
{
kern_printf("\n°°° max=%ld sum=%ld n=%d °°°",max,sum,n);
}

int main(int argc, char **argv)
{
PID p2; //p1,p3; //,p4,p5,p6;
HARD_TASK_MODEL m;
// NRT_TASK_MODEL m_nrt;
// SOFT_TASK_MODEL m_aper;
SOFT_TASK_MODEL m_soft;
int i;
struct timespec fineprg;

sys_atrunlevel(exiting, NULL, RUNLEVEL_SHUTDOWN);
sys_atrunlevel(perftest_printdata, NULL, RUNLEVEL_BEFORE_EXIT);

kern_printf("\n\n");

srand(1234);
NULL_TIMESPEC(&last_random_time);
i = rand()%30000+2000;
ADDUSEC2TIMESPEC(i, &last_random_time);
// last_random_time.tv_sec = 2;
// last_random_time.tv_nsec = 0;
kern_cli();
kern_event_post(&last_random_time, random_event, NULL);
kern_sti();

hard_task_default_model(m);
hard_task_def_wcet(m,ASTER_WCET);
hard_task_def_mit(m,10000);
hard_task_def_group(m,1);
hard_task_def_ctrl_jet(m);

// nrt_task_default_model(m_nrt);
// nrt_task_def_group(m_nrt,1);
// nrt_task_def_ctrl_jet(m_nrt);

soft_task_default_model(m_soft);
soft_task_def_met(m_soft,1000);
soft_task_def_period(m_soft,100000);
soft_task_def_group(m_soft,1);
soft_task_def_ctrl_jet(m_soft);
soft_task_def_aperiodic(m_soft);

/*
p1 = task_create("Aster",aster,&m,NULL);
if (p1 == -1) {
perror("test7.c(main): Could not create task <aster> ...");
sys_end();
l1_exit(-1);
}
*/
hard_task_def_mit(m,500000);
hard_task_def_wcet(m,CLOCK_WCET);
p2 = task_create("Clock",clock,&m,NULL);
if (p2 == -1) {
perror("test7.c(main): Could not create task <Clock> ...");
sys_end();
l1_exit(-1);
}
/*
// p3 = task_create("JetControl",jetcontrol,&m_nrt,NULL);
p3 = task_create("JetControl",jetcontrol,&m_soft,NULL);
if (p3 == -1) {
perror("test7.c(main): Could not create task <JetControl> ...");
sys_end();
l1_exit(-1);
}

soft_task_default_model(m_aper);
soft_task_def_wcet(m_aper,APER_WCET);
soft_task_def_ctrl_jet(m_aper);
soft_task_def_system(m_aper);
soft_task_def_aperiodic(m_aper);

for (i=0; i<APER_MAX; i++) {
soft_task_def_level(m_aper, i/4 + 2);
soft_task_def_arg(m_aper, (void *)(i/4 ? 'Û' : '±'));
aper_table[i] = task_create("aper",aper_asteroid,&m_aper,NULL);
if (aper_table[i] == -1) {
perror("test7.c(main): Could not create task <aper> ...");
sys_end();
l1_exit(-1);
}
}
*/
task_nopreempt();
fineprg.tv_sec = 6;
fineprg.tv_nsec = 0;
kern_event_post(&fineprg,fine,NULL);
group_activate(1);
return 0;
}

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