stats.h

7号信令功能代码,为开源代码

/*                               -*- Mode: C -*- 
 * stats.h --- streams statistics
 * Author          : Francisco J. Ballesteros, Graham Wheeler
 * Created On      : Tue May 31 21:40:37 1994
 * Last Modified By: David Grothe
 * RCS Id          : stats.h,v 1.1.1.2 2003/04/17 15:55:12 brian Exp
 * Purpose         : provide statistics for LiS
 * ----------------______________________________________________
 *
 *   Copyright (C) 1995  Francisco J. Ballesteros, Graham Wheeler
 *   Copyright (C) 1997  David Grothe, Gcom, Inc <[e-mail]>
 *
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 * 
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Cambridge,
 * MA 02139, USA.
 * 
 *
 *    You can reach us by email to any of
 *    [e-mail], [e-mail]
 */


#ifndef _STATS_H
#define _STATS_H 1

#ident "@(#) LiS stats.h 2.5 4/17/03 15:55:12 "

/*  -------------------------------------------------------------------  */
/*				 Dependencies                            */


/*  -------------------------------------------------------------------  */
/*				   Symbols                               */

/* accounted items for stats and their names
 */
#define HEADERS		0
#define FREEHDRS	1
#define DATABS		2
#define	MEMALLOCS	3			/* # times allocator called */
#define	MEMFREES	4			/* # times free called */
#define	MEMALLOCD	5			/* amount of memory */
#define	DBLKMEM		6			/* amt of mem allocated dblks */
#define	MSGSQD		7			/* # messages queued */
#define	MSGQDSTRHD	8			/* # msgs qd at strm hd */
#define	QUEUES		9			/* # queues allocated */
#define	CANPUTS		10			/* # canput calls */
#define	QSCHEDS		11			/* # queues scheduled to run */
#define	BUFCALLS	12			/* # bufcalls */
#define	MEMLIM		13			/* lis_max_mem */
#define	MSGMEMLIM	14			/* lis_max_msg_mem */
#define	MODUSE		15			/* really # open files */
#define	OPENTIME	16			/* file open time */
#define	CLOSETIME	17			/* file close time */
#define	READTIME	18			/* file read time */
#define	WRITETIME	19			/* file write time */
#define	IOCTLTIME	20			/* file ioctl time */
#define	GETMSGTIME	21			/* file getmsg time */
#define	PUTMSGTIME	22			/* file putmsg time */
#define	POLLTIME	23			/* poll time */
#define	LOCKCNTS	24			/* locks and contention */

#define	STRMAXSTAT	25			/* largest slot */
#define HEADERSSTR      "In-Use Message Blocks"
#define FREEHDRSSTR     "Free Message Blocks"
#define DATABSSTR       "Data Blocks"
#define	MEMALLOCSSTR	"Memory Allocator Calls"
#define	MEMFREESSSTR	"Memory Free Calls"
#define	MEMALLOCDSTR	"Bytes Allocated"
#define	DBLKMEMSTR	"Bytes Allocated to D-Blks"
#define	MSGSQDSTR	"Messages Queued"
#define	MSGQDSTRHDSTR	"Messages Queued at Strm Hd"
#define	QUEUESSTR	"Queues Allocated"
#define	CANPUTSSTR	"Canput Calls"
#define	QSCHEDSSTR	"Scheduled Queues"
#define	BUFCALLSSTR	"Bufcalls"
#define	MEMLIMSTR	"Memory Limit"
#define	MSGMEMLIMSTR	"D-Blk Memory Limit"
#define	MODUSESTR	"STREAMS Files Open"
#define	OPENTIMESTR	"Open Processing Time"
#define	CLOSETIMESTR	"Close Processing Time"
#define	READTIMESTR	"Read Processing Time"
#define	WRITETIMESTR	"Write Processing Time"
#define	IOCTLTIMESTR	"Ioctl Processing Time"
#define	GETMSGTIMESTR	"Getmsg Processing Time"
#define	PUTMSGTIMESTR	"Putmsg Processing Time"
#define	POLLTIMESTR	"Poll Processing Time"
#define LOCKCNTSSTR	"Spin Lock Counts"

/* per item statistics & their names
 */
#define CURRENT		0
#define TOTAL		1
#define MAXIMUM		2
#define FAILURES	3
#define CURRENTSTR	"Current"
#define TOTALSTR	"Total"
#define MAXIMUMSTR	"Maximum" 
#define FAILURESSTR	"Failures"


/*  -------------------------------------------------------------------  */
/*				    Types                                */


/*  -------------------------------------------------------------------  */
/*				 Glob. Vars.                             */

#ifdef __KERNEL__
extern lis_atomic_t lis_strstats[STRMAXSTAT][4]; /* the stats */
#endif			/* __KERNEL__ */

/* If in user mode, include a stats dump routine 
 */
#ifdef MEMPRINT

typedef struct
{
    int         stats_inx ;             /* index into lis_strstats */
    char        *name ;                 /* ASCII name */
} itemname_t ;


extern itemname_t  lis_itemnames[];
extern char       *lis_countnames[];
#endif


/*  -------------------------------------------------------------------  */
/*			Exported functions & macros                      */
#ifdef __KERNEL__
/* increment count for one item
 */
extern void LisUpCounter(int item, int n);

/*
 * set item to a value
 */
extern void LisSetCounter(int item, int val);

extern void    lis_stat_neg(void) ;

#define	LisUpCount(item)	LisUpCounter(item,1)

/* increment fail count for item
 */
#define LisUpFailCount(item)	lis_atomic_inc(&lis_strstats[item][FAILURES])

/* decrement count for item
 */
#define	LisChkNeg(item)	     do	{					     \
				  if (lis_atomic_read(			     \
					  &lis_strstats[item][CURRENT]) < 0) \
				    lis_stat_neg() ;			     \
				} while (0)
#define LisDownCount(item)   do	{					     \
				  if (lis_atomic_read(			     \
					  &lis_strstats[item][CURRENT]) != 0)\
				      lis_atomic_dec(			     \
					  &lis_strstats[item][CURRENT]) ;    \
				  else					     \
				    lis_stat_neg() ;			     \
				} while (0)
#define LisDownCounter(item,n)	do {					     \
				  int	_n = (n) ;			     \
				  if (lis_atomic_read(			     \
				       &lis_strstats[item][CURRENT]) >= _n)  \
				      lis_atomic_sub(			     \
				       &lis_strstats[item][CURRENT], _n) ;   \
				  else					     \
				    lis_stat_neg() ;			     \
				} while (0)

#endif /* __KERNEL__ */

/*  -------------------------------------------------------------------  */
#endif /*!_STATS_H*/

/*----------------------------------------------------------------------
# Local Variables:      ***
# change-log-default-name: "~/src/prj/streams/src/NOTES" ***
# End: ***
  ----------------------------------------------------------------------*/