updatestatistics.c

zilog的实时操作系统RZK,可以移植到多种处理器上

/*
* File			:	UpdateStatistics.c
*
* Description	:	This file contains the UpdateStatistics function.
* 
* Copyright 2004 ZiLOG Inc.  ALL RIGHTS RESERVED.
*
* This file contains unpublished confidential and proprietary information
* of ZiLOG, Inc.
* NO PART OF THIS WORK MAY BE DUPLICATED, STORED, PUBLISHED OR DISCLOSED 
* IN ANY FORM WITHOUT THE PRIOR WRITTEN CONSENT OF ZiLOG, INC.
* This is not a license and no use of any kind of this work is authorized
* in the absence of a written license granted by ZiLOG, Inc. in ZiLOG's 
* sole discretion 
*/

#include "ZSysgen.h"
#include "ZTypes.h"
#include "ZThread.h"
#include "ZScheduler.h"

#define	pCurrentThread	((RZK_TCB_t *) hCurrentThread)
#define	pThread		((RZK_TCB_t *) hThread)

/** extern variables */
extern TICK_t lPreviousSwitch;
extern TICK_t tRZKTicks;				
extern RZK_THREADHANDLE_t hCurrentThread;


/*
* Function		:	UpdateStatistics
*
* Description	:	This function updates the thread statistics parameters of the given thread.
* 
* Inputs		:	hThread - handle to the thread that is to be 
*							queued in the dispatch queue.	
*
* Outputs		:	
*
* Dependencies	:	All externs
*/

void UpdateStatistics( RZK_THREADHANDLE_t hThread)
{
#ifdef RZK_STATISTIC
	pCurrentThread->RZK_STATISTICS.tActualTimeRun +=
					 (tRZKTicks - lPreviousSwitch);

	if(pCurrentThread->uState & THREAD_TERMINATED)
	{
		pCurrentThread->RZK_STATISTICS.tTotalTimeRun = tRZKTicks -
			pCurrentThread->RZK_STATISTICS.tTotalTimeRun;
	} else
		pCurrentThread->RZK_STATISTICS.nNumTimesBlocked++;

	lPreviousSwitch = tRZKTicks;
			
	if( (pThread->RZK_STATISTICS.nNumTimesBlocked == 0) &&
		(pThread->uState & THREAD_RUNNING) )
	{
		pThread->RZK_STATISTICS.tTotalTimeRun = tRZKTicks;
	}
#endif
	return;
}/* End of UpdateStatistics*/