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/*
* 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: perf2.c,v 1.1 2002-11-11 08:24:49 pj Exp $
File: $File$
Revision: $Revision: 1.1 $
Last update: $Date: 2002-11-11 08:24:49 $
------------
Performance Test 2:
This test tries to measure the time spent into the event handlers.
It is based on test D.
WARNING: the symbol __PERF_TEST2__ must be defined into the file
kernel/config.h
**/
/*
* 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;
}
TIME perftime_prol
[10001];
TIME perftime_epil
[10001];
int perftime_count
= 0;
void perftest_stat
(void *arg
)
{
int i
;
TIME d
, sum
=0, max
=0;
for (i
=0; i
<9000; i
++) {
d
= perftime_epil
[i
]-perftime_prol
[i
];
sum
+= d
;
if (max
< d
) max
= d
;
kern_printf
("Û%ld %ldÛ",perftime_epil
[i
],perftime_prol
[i
]);
}
kern_printf
("\n°°° perftime_count=%u sum=%lu max=%lu °°°\n",perftime_count
, sum
, max
);
}
int main
(int argc
, char **argv
)
{
PID p1
,p2
,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
;
kern_cli
();
kern_sti
();
sys_atrunlevel
(exiting
, NULL
, RUNLEVEL_SHUTDOWN
);
sys_atrunlevel
(perftest_stat
, NULL
, RUNLEVEL_BEFORE_EXIT
);
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 = 60;
fineprg.
tv_nsec = 0;
kern_event_post
(&fineprg
,fine
,NULL
);
group_activate
(1);
return 0;
}