0,0 → 1,334 |
/* |
* Project: S.Ha.R.K. |
* |
* Coordinators: |
* Giorgio Buttazzo <giorgio@sssup.it> |
* Paolo Gai <pj@gandalf.sssup.it> |
* |
* Authors : |
* Giacomo Guidi <giacomo@gandalf.sssup.it> |
* (see the web pages for full authors list) |
* |
* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
* |
* http://www.sssup.it |
* http://retis.sssup.it |
* http://shark.sssup.it |
*/ |
|
/* |
* Copyright (C) 2002 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 |
* |
*/ |
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#include "kernel/kern.h" |
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#include "modules/edf.h" |
#include "modules/cbs.h" |
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#include "pthread.h" |
#include "modules/posix.h" |
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#include "fsf_basic_types.h" |
#include "fsf_core.h" |
#include "fsf_hierarchical.h" |
#include "fsf_spare_capacity.h" |
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#include "fsf_server.h" |
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#include "modules/dummy.h" |
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#include "modules/sem.h" |
#include "modules/pi.h" |
#include "modules/pc.h" |
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#include "modules/hartport.h" |
#include "modules/cabs.h" |
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#include "drivers/keyb.h" |
#include <stdlib.h> |
#include "fsf_server.h" |
#include "fsf_basic_types.h" |
#include "fsf_core.h" |
// -------------------------------------------------- |
// -------------------------------------------------- |
// Init Part |
// -------------------------------------------------- |
// -------------------------------------------------- |
|
/*+ sysyem tick in us +*/ |
#define TICK 0 |
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/*+ RR tick in us +*/ |
#define RRTICK 10000 |
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int grubstar_level; |
int posix_level; |
|
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//fsf_shared_object_t obj; |
//fsf_shared_operation_t op; |
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TIME __kernel_register_levels__(void *arg) |
{ |
struct multiboot_info *mb = (struct multiboot_info *)arg; |
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EDF_register_level(EDF_ENABLE_ALL); |
posix_level=POSIX_register_level(RRTICK, 1, mb, 32); |
grubstar_level = GRUBSTAR_register_level(5, 0); |
FSF_register_module(posix_level,grubstar_level, (int)(MAX_BANDWIDTH * 0.9)); |
dummy_register_level(); |
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// for the keyboard... |
CBS_register_level(CBS_ENABLE_ALL, 0); |
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PI_register_module(); |
PC_register_module(); |
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SEM_register_module(); |
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PTHREAD_register_module(1, 0, 1); |
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return TICK; |
} |
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TASK __init__(void *arg) |
{ |
struct multiboot_info *mb = (struct multiboot_info *)arg; |
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HARTPORT_init(); |
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KEYB_init(NULL); |
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__call_main__(mb); |
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return (void *)0; |
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} |
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// -------------------------------------------------- |
// -------------------------------------------------- |
// The Test |
// -------------------------------------------------- |
// -------------------------------------------------- |
|
pthread_t jposix = -1; |
pthread_t j1 = -1; |
pthread_t j2 = -1; |
fsf_server_id_t server1 = -1; |
fsf_server_id_t server2 = -1; |
fsf_contract_parameters_t contract; |
|
void *star(void *arg) |
{ |
struct timespec actual,end; |
int actpersecond,act; |
int cycle,rec; |
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act = 0; |
actpersecond = 0; |
cycle = 0; |
rec = 0; |
for (;;) { |
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cycle++; |
kern_gettime(&actual); |
rec = SERVER_get_last_reclaiming(grubstar_level,exec_shadow); |
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if (act == 0) { |
TIMESPEC_ASSIGN(&end,&actual); |
end.tv_sec++; |
} |
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if (TIMESPEC_A_LT_B(&actual,&end)) { |
act++; |
} else { |
actpersecond = act; |
act = 0; |
} |
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//pthread_mutex_lock(&mux); |
printf_xy(0,exec_shadow,WHITE,"Thread %3d Act_per_Second = %8d cycle = %8d rec = %8d", |
exec_shadow,actpersecond,cycle,rec); |
//pthread_mutex_unlock(&mux); |
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} |
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return NULL; |
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} |
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void *periodic_star(void *arg) |
{ |
struct timespec actual,end; |
int actpersecond,act; |
int cycle,rec; |
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act = 0; |
actpersecond = 0; |
cycle = 0; |
rec = 0; |
for (;;) { |
|
cycle++; |
kern_gettime(&actual); |
rec = SERVER_get_last_reclaiming(grubstar_level,exec_shadow); |
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if (act == 0) { |
TIMESPEC_ASSIGN(&end,&actual); |
end.tv_sec++; |
} |
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if (TIMESPEC_A_LT_B(&actual,&end)) { |
act++; |
} else { |
actpersecond = act; |
act = 0; |
} |
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//fsf_lock_object(&op); |
printf_xy(0,exec_shadow,RED,"Thread %3d Act_per_Second = %8d cycle = %8d rec = %8d", |
exec_shadow,actpersecond,cycle,rec); |
//fsf_unlock_object(&op); |
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task_endcycle(); |
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} |
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return NULL; |
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} |
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int keyinc = 5; |
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void *edftask(void *arg) |
{ |
long long j; |
while(1) { |
for (j=0; j<10000*keyinc; j++); |
task_endcycle(); |
} |
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return NULL; |
} |
|
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void create() |
{ |
struct timespec period1 = {0,90000000}; //30% |
struct timespec period2 = {0,75000000}; //80% |
struct timespec budget1 = {0,30000000}; |
struct timespec budget2 = {0,60000000}; |
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FSF_start_service_task(); |
|
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kern_printf("(Start Create)"); |
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fsf_initialize_contract(&contract); |
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fsf_set_contract_basic_parameters(&contract,&budget1,&period1,FSF_DEFAULT_WORKLOAD); |
fsf_set_contract_scheduling_policy(&contract, FSF_EDF); |
fsf_set_contract_reclamation_parameters(&contract,&budget2, &period2, FSF_DEFAULT_GRANULARITY, NULL, 1, 0); |
fsf_negotiate_contract(&contract,&server1); |
|
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fsf_set_contract_basic_parameters(&contract,&budget1,&period1,FSF_DEFAULT_WORKLOAD); |
fsf_set_contract_scheduling_policy(&contract, FSF_EDF); |
fsf_set_contract_reclamation_parameters(&contract,&budget2, &period2,FSF_DEFAULT_GRANULARITY, NULL, 1, 1); |
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fsf_negotiate_contract(&contract,&server2); |
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kern_printf("(End Create)"); |
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} |
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void renegotiate(void) { |
struct timespec period2 = {0,75000000}; |
struct timespec budget2 = {0,60000000}; |
struct timespec budget1 = {0,60000000}; |
union sigval sval; |
for (;;) { |
fsf_set_contract_basic_parameters(&contract,&budget2,&period2,FSF_DEFAULT_WORKLOAD); |
fsf_set_contract_reclamation_parameters(&contract,&budget1, &period2,FSF_DEFAULT_GRANULARITY, NULL, 20, 0); |
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//fsf_request_contract_renegotiation(&contract,server2, 0, sval); |
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fsf_renegotiate_contract(&contract, server2); |
budget2.tv_nsec -=60000; |
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task_endcycle(); |
} |
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} |
|
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int main(int argc, char **argv) |
{ |
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int err; |
HARD_TASK_MODEL ht; |
struct timespec endtimer; |
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//fsf_init_shared_object(&obj,1); |
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//op.op_id=1; |
//op.wcet.tv_sec=0; |
//op.wcet.tv_nsec=100000; |
//fsf_declare_shared_object_operation(&obj, &op); |
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srand(kern_gettime(NULL)); |
create(); |
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kern_gettime(&endtimer); |
endtimer.tv_sec += 20; |
kern_event_post(&endtimer, (void (*)(void *))(sys_end), NULL); |
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hard_task_default_model(ht); |
hard_task_def_mit(ht,200000); |
hard_task_def_wcet(ht,5000); |
err = fsf_create_thread(server1,&j1,NULL,periodic_star,NULL,&ht); |
kern_printf("(%d)",err); |
task_activate(j1); |
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hard_task_default_model(ht); |
hard_task_def_mit(ht,1000000); |
hard_task_def_wcet(ht,50000); |
err = fsf_create_thread(server1,&j1,NULL,renegotiate,NULL,&ht); |
kern_printf("(%d)",err); |
task_activate(j1); |
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hard_task_default_model(ht); |
hard_task_def_mit(ht,159000); |
hard_task_def_wcet(ht,5000); |
err = fsf_create_thread(server2,&j2,NULL,periodic_star,NULL,&ht); |
kern_printf("(%d)",err); |
task_activate(j2); |
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hard_task_default_model(ht); |
hard_task_def_mit(ht,159000); |
hard_task_def_wcet(ht,5000); |
err = fsf_create_thread(server2,&j2,NULL,periodic_star,NULL,&ht); |
kern_printf("(%d)",err); |
task_activate(j2); |
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return 0; |
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} |
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Property changes: |
Added: svn:executable |
## -0,0 +1 ## |
+* |
\ No newline at end of property |