The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/dkstat.h

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    1 /*-
    2  * Copyright (c) 1990, 1993
    3  *      The Regents of the University of California.  All rights reserved.
    4  * (c) UNIX System Laboratories, Inc.
    5  * All or some portions of this file are derived from material licensed
    6  * to the University of California by American Telephone and Telegraph
    7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
    8  * the permission of UNIX System Laboratories, Inc.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *      This product includes software developed by the University of
   21  *      California, Berkeley and its contributors.
   22  * 4. Neither the name of the University nor the names of its contributors
   23  *    may be used to endorse or promote products derived from this software
   24  *    without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   36  * SUCH DAMAGE.
   37  *
   38  *      @(#)dkstat.h    8.2 (Berkeley) 1/21/94
   39  * $FreeBSD: src/sys/sys/dkstat.h,v 1.6.8.1 1999/09/05 08:22:12 peter Exp $
   40  */
   41 
   42 #ifndef _SYS_DKSTAT_H_
   43 #define _SYS_DKSTAT_H_ 1
   44 
   45 #define CP_USER         0
   46 #define CP_NICE         1
   47 #define CP_SYS          2
   48 #define CP_INTR         3
   49 #define CP_IDLE         4
   50 #define CPUSTATES       5
   51 
   52 #define DK_NDRIVE       8
   53 #define DK_NAMELEN      8
   54 #ifdef KERNEL
   55 extern long cp_time[CPUSTATES];
   56 extern long dk_seek[DK_NDRIVE]; /* # seeks */
   57 extern long dk_time[DK_NDRIVE]; /* time busy (in statclock ticks) */
   58 extern long dk_wds[DK_NDRIVE];  /* # blocks of 32*16-bit words transferred */
   59 extern long dk_wpms[DK_NDRIVE]; /* transfer rate in 16-bit words per second */
   60 extern long dk_xfer[DK_NDRIVE]; /* # transfers */
   61 extern char dk_names[DK_NDRIVE][DK_NAMELEN]; /* name of drive */
   62 
   63 extern int dk_busy;             /* bit field of busy drives */
   64 extern int dk_ndrive;           /* number of installed drives */
   65 
   66 extern long tk_cancc;
   67 extern long tk_nin;
   68 extern long tk_nout;
   69 extern long tk_rawcc;
   70 #endif
   71 
   72 #endif /* _SYS_DKSTAT_H_ */

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