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/*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define NUM_CPUS 4
#include "tmacros.h"
#if defined(__RTEMS_HAVE_SYS_CPUSET_H__)
rtems_id Init_id;
rtems_id Med_id[NUM_CPUS-1];
rtems_id Low_id[NUM_CPUS];
/* forward declarations to avoid warnings */
void Task_1(rtems_task_argument arg);
void Validate_setaffinity_errors(void);
void Validate_getaffinity_errors(void);
void Validate_affinity(void);
void Task_1(rtems_task_argument arg)
{
while(1);
}
void Validate_setaffinity_errors(void)
{
int sc;
cpu_set_t cpuset;
/* Verify rtems_task_set_affinity checks that all cpu's exist. */
/* Note this check assumes you are running with less than 32 CPUs */
CPU_FILL(&cpuset);
puts( "Init - rtems_task_set_affinity - Invalid cpu - RTEMS_INVALID_NUMBER" );
sc = rtems_task_set_affinity( Init_id, sizeof(cpu_set_t), &cpuset );
rtems_test_assert( sc == RTEMS_INVALID_NUMBER );
/* Verify rtems_task_set_affinity checks that at least one cpu is set */
CPU_ZERO(&cpuset);
puts( "Init - rtems_task_set_affinity - no cpu - RTEMS_INVALID_NUMBER" );
sc = rtems_task_set_affinity( Init_id, sizeof(cpu_set_t), &cpuset );
rtems_test_assert( sc == RTEMS_INVALID_NUMBER );
/* Verify rtems_task_set_affinity checks that at thread id is valid */
CPU_SET(0, &cpuset);
puts( "Init - rtems_task_set_affinity - Invalid thread - RTEMS_INVALID_ID" );
sc = rtems_task_set_affinity( 999, sizeof(cpu_set_t), &cpuset );
rtems_test_assert( sc == RTEMS_INVALID_ID );
/* Verify rtems_task_set_affinity validates cpusetsize */
puts( "Init - rtems_task_set_affinity - Invalid cpusetsize - RTEMS_INVALID_NUMBER" );
sc = rtems_task_set_affinity( Init_id, sizeof(cpu_set_t) * 2, &cpuset );
rtems_test_assert( sc == RTEMS_INVALID_NUMBER );
/* Verifyrtems_task_set_affinity validates cpuset */
puts( "Init - rtems_task_set_affinity - Invalid cpuset - RTEMS_INVALID_ADDRESS" );
sc = rtems_task_set_affinity( Init_id, sizeof(cpu_set_t), NULL );
rtems_test_assert( sc == RTEMS_INVALID_ADDRESS );
}
void Validate_getaffinity_errors(void)
{
int sc;
cpu_set_t cpuset;
/* Verify rtems_task_get_affinity checks that at thread id is valid */
CPU_SET(0, &cpuset);
puts( "Init - rtems_task_get_affinity - Invalid thread - RTEMS_INVALID_ID" );
sc = rtems_task_get_affinity( 999, sizeof(cpu_set_t), &cpuset );
rtems_test_assert( sc == RTEMS_INVALID_ID );
/* Verify rtems_task_get_affinity validates cpusetsize */
puts(
"Init - rtems_task_get_affinity - Invalid cpusetsize - RTEMS_INVALID_NUMBER"
);
sc = rtems_task_get_affinity( Init_id, sizeof(cpu_set_t) * 2, &cpuset );
rtems_test_assert( sc == RTEMS_INVALID_NUMBER );
/* Verify rtems_task_get_affinity validates cpuset */
puts("Init - rtems_task_get_affinity - Invalid cpuset - RTEMS_INVALID_ADDRESS");
sc = rtems_task_get_affinity( Init_id, sizeof(cpu_set_t), NULL );
rtems_test_assert( sc == RTEMS_INVALID_ADDRESS );
}
void Validate_affinity(void )
{
cpu_set_t cpuset0;
cpu_set_t cpuset1;
cpu_set_t cpuset2;
uint32_t i;
int sc;
int cpu_count;
rtems_task_priority priority;
char ch[2];
puts( "Init - Set Init priority to high");
sc = rtems_task_set_priority( Init_id, 1, &priority );
directive_failed( sc, "Set Init Priority" );
sc = rtems_task_get_affinity( Init_id, sizeof(cpu_set_t), &cpuset0 );
directive_failed( sc, "Get Affinity of Init Task" );
/* Get the number of processors that we are using. */
cpu_count = rtems_smp_get_processor_count();
/* Fill the remaining cpus with med priority tasks */
puts( "Init - Create Medium priority tasks");
for (i=0; i<(cpu_count-1); i++){
sprintf(ch, "%01" PRId32, i+1 );
sc = rtems_task_create(
rtems_build_name( 'C', 'P', 'U', ch[0] ),
2,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&Med_id[i]
);
directive_failed( sc, "task create" );
sc = rtems_task_start( Med_id[i], Task_1, i+1 );
directive_failed( sc, "task start" );
sc = rtems_task_get_affinity( Med_id[i], sizeof(cpu_set_t), &cpuset2 );
directive_failed( sc, "Get Affinity of Medium Priority Task" );
rtems_test_assert( CPU_EQUAL(&cpuset0, &cpuset2) );
}
/*
* Create low priority thread for each remaining cpu with the affinity
* set to only run on one cpu.
*/
puts( "Init - Create Low priority tasks");
for (i=0; i<cpu_count; i++){
CPU_ZERO(&cpuset1);
CPU_SET(i, &cpuset1);
sprintf(ch, "%01" PRId32, (uint32_t) 0 );
sc = rtems_task_create(
rtems_build_name( 'X', 'T', 'R', ch[0] ),
10,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&Low_id[i]
);
directive_failed( sc, "task create" );
sc = rtems_task_set_affinity( Low_id[i], sizeof(cpu_set_t), &cpuset1 );
directive_failed( sc, "Low priority task set affinity" );
sc = rtems_task_start( Low_id[i], Task_1, i+1 );
directive_failed( sc, "task start" );
}
/* Verify affinity on low priority tasks */
puts("Init - Verify affinity on Low priority tasks");
for (i=0; i<cpu_count; i++){
CPU_ZERO(&cpuset1);
CPU_SET(i, &cpuset1);
sc = rtems_task_get_affinity( Low_id[i], sizeof(cpu_set_t), &cpuset2 );
directive_failed( sc, "Low priority task get affinity" );
rtems_test_assert( CPU_EQUAL(&cpuset1, &cpuset2) );
}
/* Change the affinity for each low priority task */
puts("Init - Change affinity on Low priority tasks");
CPU_COPY(&cpuset1, &cpuset0);
for (i=0; i<cpu_count; i++){
CPU_CLR(i, &cpuset1);
sc = rtems_task_set_affinity( Low_id[i], sizeof(cpu_set_t), &cpuset1 );
/* Verify no cpu's are now set in the cpuset */
if (i== (cpu_count-1)) {
rtems_test_assert( sc == RTEMS_INVALID_NUMBER );
sc = rtems_task_set_affinity( Low_id[i], sizeof(cpu_set_t), &cpuset0 );
}
directive_failed( sc, "Low priority task set affinity" );
}
puts("Init - Validate affinity on Low priority tasks");
CPU_COPY(&cpuset1, &cpuset0);
for (i=0; i<cpu_count; i++){
CPU_CLR(i, &cpuset1);
sc = rtems_task_get_affinity( Low_id[i], sizeof(cpu_set_t), &cpuset2 );
directive_failed( sc, "Low priority task get affinity" );
if (i== (cpu_count-1))
rtems_test_assert( CPU_EQUAL(&cpuset0, &cpuset2) );
else
rtems_test_assert( CPU_EQUAL(&cpuset1, &cpuset2) );
}
}
static void Init(rtems_task_argument arg)
{
int sc;
puts( "\n\n*** SMP AFFINITY 1 ***" );
/* Initialize thread id */
sc = rtems_task_ident( RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &Init_id );
directive_failed( sc, "Identify Init Task" );
Validate_setaffinity_errors();
Validate_getaffinity_errors();
Validate_affinity();
puts( "*** END OF SMP AFFINITY TEST 1 ***" );
rtems_test_exit(0);
}
#else
static void Init(rtems_task_argument arg)
{
puts( "\n\n*** SMP AFFINITY TEST 1 ***" );
puts( " Affinity NOT Supported");
puts( "*** END OF SMP AFFINITY TEST 1 ***" );
rtems_test_exit(0);
}
#endif
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_SMP_APPLICATION
#define CONFIGURE_SMP_MAXIMUM_PROCESSORS NUM_CPUS
#define CONFIGURE_MAXIMUM_TASKS (NUM_CPUS*2)
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
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