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/*
*
* (C) COPYRIGHT 2011 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
*
* A copy of the licence is included with the program, and can also be obtained from Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include <osk/mali_osk.h>
#if MALI_DEBUG != 0
#include <linux/delay.h>
#define TIMER_PERIOD_NS 100
#define TIMER_TEST_TIME_MS 1000
typedef struct oskp_time_test
{
osk_timer timer;
u32 val;
mali_bool should_stop;
} oskp_time_test;
static mali_bool oskp_timer_has_been_checked = MALI_FALSE;
#endif
enum hrtimer_restart oskp_timer_callback_wrapper( struct hrtimer * hr_timer )
{
osk_timer *tim;
tim = CONTAINER_OF( hr_timer, osk_timer, timer );
tim->callback( tim->data );
return HRTIMER_NORESTART;
}
#if MALI_DEBUG != 0
static void oskp_check_timer_callback( void *data )
{
oskp_time_test *time_tester = (oskp_time_test*)data;
(time_tester->val)++;
if ( time_tester->should_stop == MALI_FALSE )
{
osk_error err;
err = osk_timer_start_ns( &time_tester->timer, TIMER_PERIOD_NS );
if ( err != OSK_ERR_NONE )
{
OSK_PRINT_WARN( OSK_BASE_CORE, "OSK Timer couldn't restart - testing stats will be inaccurate" );
}
}
}
void oskp_debug_test_timer_stats( void )
{
oskp_time_test time_tester;
osk_ticks start_timestamp;
osk_ticks end_timestamp;
u32 msec_elapsed;
osk_error err;
if ( oskp_timer_has_been_checked != MALI_FALSE )
{
return;
}
oskp_timer_has_been_checked = MALI_TRUE;
OSK_MEMSET( &time_tester, 0, sizeof(time_tester) );
err = osk_timer_on_stack_init( &time_tester.timer );
if ( err != OSK_ERR_NONE )
{
goto fail_init;
}
osk_timer_callback_set( &time_tester.timer, &oskp_check_timer_callback, &time_tester );
start_timestamp = osk_time_now();
err = osk_timer_start_ns( &time_tester.timer, TIMER_PERIOD_NS );
if ( err != OSK_ERR_NONE )
{
goto fail_start;
}
msleep( TIMER_TEST_TIME_MS );
time_tester.should_stop = MALI_TRUE;
osk_timer_stop( &time_tester.timer );
end_timestamp = osk_time_now();
msec_elapsed = osk_time_elapsed( start_timestamp, end_timestamp );
OSK_PRINT( OSK_BASE_CORE, "OSK Timer did %d iterations in %dms", time_tester.val, msec_elapsed );
osk_timer_on_stack_term( &time_tester.timer );
return;
fail_start:
osk_timer_on_stack_term( &time_tester.timer );
fail_init:
OSK_PRINT_WARN( OSK_BASE_CORE, "OSK Timer couldn't init/start for testing stats" );
return;
}
#endif
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