| /* |
| * Copyright (c) 2001, 2002 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__ */ |