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