73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/* $NetBSD: i386_pmc.c,v 1.3 2000/09/13 05:22:12 thorpej Exp $ */
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/*-
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* Copyright (c) 2000 Zembu Labs, Inc.
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* All rights reserved.
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*
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* Author: Jason R. Thorpe <thorpej@zembu.com>
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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. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Zembu Labs, Inc.
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* 4. Neither the name of Zembu Labs nor the names of its employees may
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* be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ZEMBU LABS, INC. ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAR-
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* RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS-
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* CLAIMED. IN NO EVENT SHALL ZEMBU LABS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Interface to x86 CPU Performance Counters.
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*/
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#include <sys/types.h>
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#include <machine/sysarch.h>
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int
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i386_pmc_info(struct i386_pmc_info_args *args)
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{
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if (sysarch(I386_PMC_INFO, args) == -1)
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return (-1);
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return (0);
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}
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int
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i386_pmc_startstop(struct i386_pmc_startstop_args *args)
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{
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if (sysarch(I386_PMC_STARTSTOP, args) == -1)
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return (-1);
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return (0);
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}
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int
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i386_pmc_read(struct i386_pmc_read_args *args)
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{
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if (sysarch(I386_PMC_READ, args) == -1)
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return (-1);
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return (0);
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}
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