forked from Imagelibrary/rtems
e694c2d423
PR 1859/tests * Makefile.am, configure.ac, psxtmtests_plan.csv: Add benchmark of pthread_barrier_wait - blocking * psxtmbarrier02/.cvsignore, psxtmbarrier02/Makefile.am, psxtmbarrier02/init.c, psxtmbarrier02/psxtmbarrier02.doc: New files.
138 lines
2.9 KiB
C
138 lines
2.9 KiB
C
/*
|
||
* 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.
|
||
*
|
||
* $Id$
|
||
*/
|
||
|
||
#ifdef HAVE_CONFIG_H
|
||
#include "config.h"
|
||
#endif
|
||
|
||
#include <timesys.h>
|
||
#include <tmacros.h>
|
||
#include <rtems/timerdrv.h>
|
||
#include "test_support.h"
|
||
|
||
#include <pthread.h>
|
||
#include <sched.h>
|
||
|
||
pthread_barrier_t barrier;
|
||
|
||
void *Low(
|
||
void *argument
|
||
)
|
||
{
|
||
long end_time;
|
||
|
||
/*
|
||
* Now we have finished the thread startup overhead,
|
||
* so let other threads run. When we return, we can
|
||
* finish the benchmark.
|
||
*/
|
||
sched_yield();
|
||
/* let other threads run */
|
||
|
||
end_time = benchmark_timer_read();
|
||
|
||
put_time(
|
||
"pthread_barrier_wait – blocking",
|
||
end_time,
|
||
OPERATION_COUNT,
|
||
0,
|
||
0
|
||
);
|
||
|
||
puts( "*** END OF POSIX TIME PSXTMBARRIER 02 ***" );
|
||
|
||
rtems_test_exit( 0 );
|
||
return NULL;
|
||
}
|
||
|
||
void *Middle(
|
||
void *argument
|
||
)
|
||
{
|
||
/*
|
||
* Now we have finished the thread startup overhead,
|
||
* so let other threads run. When we return, we can
|
||
* finish the benchmark.
|
||
*/
|
||
sched_yield();
|
||
/* let other threads run */
|
||
|
||
(void) pthread_barrier_wait( &barrier );
|
||
|
||
/* should never return */
|
||
rtems_test_assert( FALSE );
|
||
return NULL;
|
||
}
|
||
|
||
void *POSIX_Init(
|
||
void *argument
|
||
)
|
||
{
|
||
int i;
|
||
int status;
|
||
pthread_t threadId;
|
||
pthread_barrierattr_t attr;
|
||
|
||
puts( "\n\n*** POSIX TIME PSXTMBARRIER 02 ***" );
|
||
|
||
for ( i=0 ; i < OPERATION_COUNT - 1 ; i++ ) {
|
||
status = pthread_create( &threadId, NULL, Middle, NULL );
|
||
rtems_test_assert( !status );
|
||
}
|
||
|
||
status = pthread_create( &threadId, NULL, Low, NULL );
|
||
rtems_test_assert( !status );
|
||
|
||
/*
|
||
* Create the barrier with default attributes and deliberately
|
||
* create it after the Threads so if they run too early, they
|
||
* wull fail with an error.
|
||
*/
|
||
status = pthread_barrierattr_init( &attr );
|
||
rtems_test_assert( status == 0 );
|
||
|
||
/*
|
||
* Set threshold on count higher than number of threads so all will
|
||
* block.
|
||
*/
|
||
status = pthread_barrier_init( &barrier,&attr, OPERATION_COUNT + 2 );
|
||
rtems_test_assert( status == 0 );
|
||
|
||
/*
|
||
* Let other threads run through their initialization
|
||
*/
|
||
sched_yield();
|
||
|
||
/*
|
||
* Start the timer and start the blocking barrier wait chain through
|
||
* all the other tasks.
|
||
*/
|
||
benchmark_timer_initialize();
|
||
/* blocking barrier call */
|
||
status = pthread_barrier_wait( &barrier );
|
||
rtems_test_assert( status == 0 );
|
||
return NULL;
|
||
}
|
||
|
||
/* configuration information */
|
||
|
||
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
|
||
#define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
|
||
|
||
#define CONFIGURE_MAXIMUM_POSIX_THREADS OPERATION_COUNT + 2
|
||
#define CONFIGURE_MAXIMUM_POSIX_BARRIERS 1
|
||
#define CONFIGURE_POSIX_INIT_THREAD_TABLE
|
||
|
||
#define CONFIGURE_INIT
|
||
|
||
#include <rtems/confdefs.h>
|
||
/* end of file */
|