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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __ARCH_PERF_H__
#define __ARCH_PERF_H__
#include <sys/times.h>
#ifdef PERF
#define PERF_START { \
unsigned long __c1l, __c1h, __c2l, __c2h; \
__asm__(".byte 0x0f, 0x31" : "=a" (__c1l), "=d" (__c1h))
#define PERF_STOP(x) __asm__(".byte 0x0f, 0x31" : "=a" (__c2l), "=d" (__c2h)); \
perf_print(__c1l, __c1h, __c2l, __c2h, x);}
/*#define PERF_START do { \
struct tms __perf_start, __perf_end; \
times(&__perf_start)
#define PERF_STOP(x) times(&__perf_end); \
perf_print_times(&__perf_start, &__perf_end, x);\
} while(0)*/
#else /* PERF */
#define PERF_START /* null definition */
#define PERF_STOP(x) /* null definition */
#endif /* PERF */
void perf_print(unsigned long c1l, unsigned long c1h,
unsigned long c2l, unsigned long c2h,
char *key);
void perf_print_times(struct tms *start, struct tms *end, char *key);
void perf_init(char *fname);
#endif /* __ARCH_PERF_H__ */
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