/* * Copyright (c) 2001, 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. Neither the name of the Institute nor the names of its contributors  *    may be used to endorse or promote products derived from this software  *    without specific prior written permission.  * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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> * * $Id: perf.h,v 1.2 2001/12/14 20:13:44 adam Exp $ */#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__ */