usr/src/uts/common/sys/vmmeter.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 1996 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
  28 /*        All Rights Reserved   */
  29
  30 /*
  31  * University Copyright- Copyright (c) 1982, 1986, 1988
  32  * The Regents of the University of California
  33  * All Rights Reserved
  34  *
  35  * University Acknowledgment- Portions of this document are derived from
  36  * software developed by the University of California, Berkeley, and its
  37  * contributors.
  38  */
  39
  40 #ifndef _SYS_VMMETER_H
  41 #define _SYS_VMMETER_H
  42
  43 #pragma ident   "%Z%%M% %I%     %E% SMI"
  44
  45 #ifdef  __cplusplus
  46 extern "C" {
  47 #endif
  48
  49 /*
  50  * Virtual Address Cache flush instrumentation.
  51  *
  52  * Everything from f_first to f_last must be unsigned [int].
  53  */
  54 struct flushmeter {
  55 #define f_first f_ctx
  56         unsigned f_ctx;         /* No. of context flushes */
  57         unsigned f_segment;     /* No. of segment flushes */
  58         unsigned f_page;        /* No. of complete page flushes */
  59         unsigned f_partial;     /* No. of partial page flushes */
  60         unsigned f_usr;         /* No. of non-supervisor flushes */
  61         unsigned f_region;      /* No. of region flushes */
  62 #define f_last  f_region
  63 };
  64
  65 #ifdef _KERNEL
  66 #ifdef VAC
  67 /* cnt is 1 sec accum; rate is 5 sec avg; sum is grand total */
  68 struct flushmeter       flush_cnt;
  69 #endif /* VAC */
  70 #endif /* _KERNEL */
  71
  72 #ifdef  __cplusplus
  73 }
  74 #endif
  75
  76 #endif  /* _SYS_VMMETER_H */