N-sim v0.9.4

00001 
00006 /*
00007  * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
00008  * All rights reserved. 
00009  * 
00010  * Redistribution and use in source and binary forms, with or without modification, 
00011  * are permitted provided that the following conditions are met:
00012  *
00013  * 1. Redistributions of source code must retain the above copyright notice,
00014  *    this list of conditions and the following disclaimer.
00015  * 2. Redistributions in binary form must reproduce the above copyright notice,
00016  *    this list of conditions and the following disclaimer in the documentation
00017  *    and/or other materials provided with the distribution.
00018  * 3. The name of the author may not be used to endorse or promote products
00019  *    derived from this software without specific prior written permission. 
00020  *
00021  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
00022  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
00023  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
00024  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
00025  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
00026  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
00027  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
00028  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
00029  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
00030  * OF SUCH DAMAGE.
00031  *
00032  * This file is part of the lwIP TCP/IP stack.
00033  * 
00034  * Author: Adam Dunkels <adam@sics.se>
00035  *
00036  */
00037 #ifndef __ARCH_PERF_H__
00038 #define __ARCH_PERF_H__
00039 
00040 #include <sys/times.h>
00041 
00042 #ifdef PERF
00043 #define PERF_START  { \
00044                          unsigned long __c1l, __c1h, __c2l, __c2h; \
00045                          __asm__(".byte 0x0f, 0x31" : "=a" (__c1l), "=d" (__c1h))
00046 #define PERF_STOP(x)   __asm__(".byte 0x0f, 0x31" : "=a" (__c2l), "=d" (__c2h)); \
00047                        perf_print(__c1l, __c1h, __c2l, __c2h, x);}
00048 
00049 /*#define PERF_START do { \
00050                      struct tms __perf_start, __perf_end; \
00051                      times(&__perf_start)
00052 #define PERF_STOP(x) times(&__perf_end); \
00053                      perf_print_times(&__perf_start, &__perf_end, x);\
00054                      } while(0)*/
00055 #else /* PERF */
00056 #define PERF_START    /* null definition */
00057 #define PERF_STOP(x)  /* null definition */
00058 #endif /* PERF */
00059 
00060 void perf_print(unsigned long c1l, unsigned long c1h,
00061                 unsigned long c2l, unsigned long c2h,
00062                 char *key);
00063 
00064 void perf_print_times(struct tms *start, struct tms *end, char *key);
00065 
00066 void perf_init(char *fname);
00067 
00068 #endif /* __ARCH_PERF_H__ */
/home/brennan/n-sim/OrbisQuartus/server/l4/patches/lwip-ore/include/arch/perf.h
