mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-26 04:31:03 +00:00
41 lines
1.6 KiB
C
41 lines
1.6 KiB
C
/* High precision, low overhead timing functions. Generic version.
|
|
Copyright (C) 1998-2017 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _HP_TIMING_H
|
|
#define _HP_TIMING_H 1
|
|
|
|
/* There are no generic definitions for the times. We could write something
|
|
using the `gettimeofday' system call where available but the overhead of
|
|
the system call might be too high. */
|
|
|
|
/* Provide dummy definitions. */
|
|
#define HP_TIMING_AVAIL (0)
|
|
#define HP_SMALL_TIMING_AVAIL (0)
|
|
#define HP_TIMING_INLINE (0)
|
|
typedef int hp_timing_t;
|
|
#define HP_TIMING_NOW(var)
|
|
#define HP_TIMING_DIFF(Diff, Start, End)
|
|
#define HP_TIMING_ACCUM_NT(Sum, Diff)
|
|
#define HP_TIMING_PRINT(Buf, Len, Val)
|
|
|
|
/* Since this implementation is not available we tell the user about it. */
|
|
#define HP_TIMING_NONAVAIL 1
|
|
|
|
#endif /* hp-timing.h */
|