1 /* 2 * Copyright (c) 2001-2003 Swedish Institute of Computer Science. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 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. 15 * 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 25 * OF SUCH DAMAGE. 26 * 27 * This file is part of the lwIP TCP/IP stack. 28 * 29 * Author: Adam Dunkels <adam@sics.se> 30 * 31 */ 32 #ifndef LWIP_ARCH_PERF_H 33 #define LWIP_ARCH_PERF_H 34 35 #include <sys/times.h> 36 37 #ifdef PERF 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);} 43 44 /*#define PERF_START do { \ 45 struct tms __perf_start, __perf_end; \ 46 times(&__perf_start) 47 #define PERF_STOP(x) times(&__perf_end); \ 48 perf_print_times(&__perf_start, &__perf_end, x);\ 49 } while(0)*/ 50 #else /* PERF */ 51 #define PERF_START /* null definition */ 52 #define PERF_STOP(x) /* null definition */ 53 #endif /* PERF */ 54 55 void perf_print(unsigned long c1l, unsigned long c1h, 56 unsigned long c2l, unsigned long c2h, 57 char *key); 58 59 void perf_print_times(struct tms *start, struct tms *end, char *key); 60 61 void perf_init(char *fname); 62 63 #endif /* LWIP_ARCH_PERF_H */ 64