55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/* $NetBSD: tpstats.h,v 1.1 2005/08/07 12:21:46 blymn Exp $ */
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/*
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* Copyright (c) 2005 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from code donated to the NetBSD Foundation, Inc.
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* by Brett Lymn.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/time.h>
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#include <sys/sched.h>
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#include <unistd.h>
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/* Tape drive entry to hold the information we're interested in. */
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struct _tape {
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int *select; /* Display stats for selected tapes. */
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char **name; /* Tape drive names (st0, etc). */
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u_int64_t *rxfer; /* # of read transfers. */
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u_int64_t *wxfer; /* # of write transfers. */
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u_int64_t *rbytes; /* # of bytes read. */
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u_int64_t *wbytes; /* # of bytes written. */
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struct timeval *time; /* Time spent in tape i/o. */
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};
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extern struct _tape cur_tape;
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extern char **tp_name;
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extern int *tp_select, tp_ndrive;
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int tpinit(int);
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void tpreadstats(void);
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void tpswap(void);
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