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fff5be0be3
This 6 times gettimeofday performance, as measured by tools/tools/syscall_timing Reviewed by: kib MFC after: 1 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8789
52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
/*-
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* Copyright 2012 Konstantin Belousov <kib@FreeBSD.ORG>.
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* Copyright 2016 The FreeBSD Foundation.
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* All rights reserved.
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*
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* Portions of this software were developed by Konstantin Belousov
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* under sponsorship from the FreeBSD Foundation.
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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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*
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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, 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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* $FreeBSD$
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*/
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#ifndef _X86_VDSO_H
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#define _X86_VDSO_H
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#define VDSO_TIMEHANDS_MD \
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uint32_t th_x86_shift; \
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uint32_t th_x86_hpet_idx; \
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uint32_t th_res[6];
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#define VDSO_TH_ALGO_X86_TSC VDSO_TH_ALGO_1
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#define VDSO_TH_ALGO_X86_HPET VDSO_TH_ALGO_2
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#define VDSO_TH_ALGO_X86_HVTSC VDSO_TH_ALGO_3 /* Hyper-V ref. TSC */
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#ifdef _KERNEL
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#ifdef COMPAT_FREEBSD32
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#define VDSO_TIMEHANDS_MD32 VDSO_TIMEHANDS_MD
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#endif
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#endif
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#endif
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