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/home/brennan/n-sim/OrbisQuartus/server/l4/patches/lwip-ore/perf.cGo to the documentation of this file.00001 /* 00002 * Copyright (c) 2001-2003 Swedish Institute of Computer Science. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without modification, 00006 * are permitted provided that the following conditions are met: 00007 * 00008 * 1. Redistributions of source code must retain the above copyright notice, 00009 * this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright notice, 00011 * this list of conditions and the following disclaimer in the documentation 00012 * and/or other materials provided with the distribution. 00013 * 3. The name of the author may not be used to endorse or promote products 00014 * derived from this software without specific prior written permission. 00015 * 00016 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 00017 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00018 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 00019 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00020 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00021 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00022 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00023 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 00024 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 00025 * OF SUCH DAMAGE. 00026 * 00027 * This file is part of the lwIP TCP/IP stack. 00028 * 00029 * Author: Adam Dunkels <adam@sics.se> 00030 * 00031 */ 00032 00033 #include "arch/perf.h" 00034 00035 #include <stdio.h> 00036 00037 static FILE *f; 00038 00039 void 00040 perf_print(unsigned long c1l, unsigned long c1h, 00041 unsigned long c2l, unsigned long c2h, 00042 char *key) 00043 { 00044 unsigned long sub_ms, sub_ls; 00045 00046 sub_ms = c2h - c1h; 00047 sub_ls = c2l - c1l; 00048 if (c2l < c1l) sub_ms--; 00049 fprintf(f, "%s: %.8lu%.8lu\n", key, sub_ms, sub_ls); 00050 fflush(NULL); 00051 } 00052 00053 void 00054 perf_print_times(struct tms *start, struct tms *end, char *key) 00055 { 00056 fprintf(f, "%s: %lu\n", key, end->tms_stime - start->tms_stime); 00057 fflush(NULL); 00058 } 00059 00060 void 00061 perf_init(char *fname) 00062 { 00063 f = fopen(fname, "w"); 00064 } 00065 |