Exemplo n.º 1
0
/*the ticker thread function that executes the filters */
void * ms_ticker_run(void *arg)
{
	uint64_t realtime;
	int64_t diff;
	MSTicker *s=(MSTicker*)arg;
	int lastlate=0;
	int precision=2;
	int late;
	
	precision = set_high_prio(s);


	s->ticks=1;
	ms_mutex_lock(&s->lock);
	s->orig=s->get_cur_time_ptr(s->get_cur_time_data);

	while(s->run){
		s->ticks++;
		{
#if TICKER_MEASUREMENTS
			MSTimeSpec begin,end;/*used to measure time spent in processing one tick*/
			double iload;

			ms_get_cur_time(&begin);
#endif
			run_graphs(s,s->execution_list,FALSE);
#if TICKER_MEASUREMENTS
			ms_get_cur_time(&end);
			iload=100*((end.tv_sec-begin.tv_sec)*1000.0 + (end.tv_nsec-begin.tv_nsec)/1000000.0)/(double)s->interval;
			s->av_load=(smooth_coef*s->av_load)+((1.0-smooth_coef)*iload);
#endif
		}
		
		s->time+=s->interval;
		while(1){
			realtime=s->get_cur_time_ptr(s->get_cur_time_data)-s->orig;
			ms_mutex_unlock(&s->lock);
			diff=s->time-realtime;
			if (diff>0){
				/* sleep until next tick */
				sleepMs((int)diff);
			}else{
				late=(int)-diff;
				if (late>s->interval*5 && late>lastlate){
					ms_warning("%s: We are late of %d miliseconds.",s->name,late);
				}
				lastlate=late;
				break; /*exit the while loop */
			}
			ms_mutex_lock(&s->lock);
		}
		ms_mutex_lock(&s->lock);
	}
	ms_mutex_unlock(&s->lock);
	unset_high_prio(precision);
	ms_message("%s thread exiting",s->name);

	ms_thread_exit(NULL);
	return NULL;
}
Exemplo n.º 2
0
/*the ticker thread function that executes the filters */
void * ms_ticker_run(void *arg)
{
	MSTicker *s=(MSTicker*)arg;
	int lastlate=0;
	int precision=2;
	int late;

	precision = set_high_prio(s);
	s->thread_id = ms_thread_self();
	s->ticks=1;
	s->orig=s->get_cur_time_ptr(s->get_cur_time_data);

	ms_mutex_lock(&s->lock);

	while(s->run){
		uint64_t late_tick_time=0;
		
		s->ticks++;
		/*Step 1: run the graphs*/
		{
#if TICKER_MEASUREMENTS
			MSTimeSpec begin,end;/*used to measure time spent in processing one tick*/
			double iload;

			ms_get_cur_time(&begin);
#endif
			run_tasks(s);
			run_graphs(s,s->execution_list,FALSE);
#if TICKER_MEASUREMENTS
			ms_get_cur_time(&end);
			iload=100*((end.tv_sec-begin.tv_sec)*1000.0 + (end.tv_nsec-begin.tv_nsec)/1000000.0)/(double)s->interval;
			s->av_load=(smooth_coef*s->av_load)+((1.0-smooth_coef)*iload);
#endif
		}
		ms_mutex_unlock(&s->lock);
		/*Step 2: wait for next tick*/
		s->time+=s->interval;
		late=s->wait_next_tick(s->wait_next_tick_data,s->time);
		if (late>s->interval*5 && late>lastlate){
			ms_warning("%s: We are late of %d miliseconds.",s->name,late);
			late_tick_time=ms_get_cur_time_ms();
		}
		lastlate=late;
		ms_mutex_lock(&s->lock);
		if (late_tick_time){
			s->late_event.lateMs=late;
			s->late_event.time=late_tick_time;
		}
		s->late_event.current_late_ms = late;
	}
	ms_mutex_unlock(&s->lock);
	unset_high_prio(precision);
	ms_message("%s thread exiting",s->name);

	ms_thread_exit(NULL);
	s->thread_id = 0;
	return NULL;
}
Exemplo n.º 3
0
void * ms_ticker_run(void *arg)
{
	uint64_t realtime;
	int64_t diff;
	MSTicker *s=(MSTicker*)arg;
	int lastlate=0;
	int precision=2;
	int late;
	
	precision = set_high_prio();


	s->ticks=1;
	ms_mutex_lock(&s->lock);
	s->orig=s->get_cur_time_ptr(s->get_cur_time_data);

	while(s->run){
		s->ticks++;
		run_graphs(s,s->execution_list,FALSE);
		s->time+=s->interval;
		while(1){
			realtime=s->get_cur_time_ptr(s->get_cur_time_data)-s->orig;
			ms_mutex_unlock(&s->lock);
			diff=s->time-realtime;
			if (diff>0){
				/* sleep until next tick */
				sleepMs(diff);
			}else{
				late=-diff;
				if (late>s->interval*5 && late>lastlate){
					ms_warning("We are late of %d miliseconds.",late);
				}
				lastlate=late;
				break; /*exit the while loop */
			}
			ms_mutex_lock(&s->lock);
		}
		ms_mutex_lock(&s->lock);
	}
	ms_mutex_unlock(&s->lock);
	unset_high_prio(precision);
	ms_message("MSTicker thread exiting");

	ms_thread_exit(NULL);
	return NULL;
}
Exemplo n.º 4
0
void * ms_ticker_run(void *arg)
{
	MSTicker *s=(MSTicker*)arg;
	uint64_t realtime;
	int precision=2;
	UINT timerId;

	precision = set_high_prio();

	s->TimeEvent = CreateEvent (NULL, FALSE, FALSE, NULL);

	s->ticks=1;
	ms_mutex_lock(&s->lock);
	s->orig=s->get_cur_time_ptr(s->get_cur_time_data);

	timerId = timeSetEvent (s->interval, precision, s->TimeEvent, 0,
				  TIME_PERIODIC | TIME_CALLBACK_EVENT_SET);
	while(s->run){
		DWORD err;

		s->ticks++;
		run_graphs(s,s->execution_list,FALSE);

		/* elapsed time since origin */
		s->time = s->get_cur_time_ptr(s->get_cur_time_data)- s->orig;

		ms_mutex_unlock(&s->lock);
		err = WaitForSingleObject (s->TimeEvent, s->interval*1000 ); /* wake up each diff */
		if (err==WAIT_FAILED)
			ms_message("WaitForSingleObject is failing");

		ms_mutex_lock(&s->lock);
	}
	ms_mutex_unlock(&s->lock);
	timeKillEvent (timerId);
	CloseHandle (s->TimeEvent);
	s->TimeEvent=NULL;
	unset_high_prio(precision);
	ms_message("MSTicker thread exiting");
	ms_thread_exit(NULL);
	return NULL;
}