mirror of
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113 lines
4.0 KiB
C
113 lines
4.0 KiB
C
/*
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* FILE: uv_perf.c
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* AUTHORS: Isidor Kouvelas
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* Colin Perkins
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* Mark Handley
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* Orion Hodson
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* Jerry Isdale
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*
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* $Revision: 1.1 $
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* $Date: 2007/11/08 09:48:59 $
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*
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* Copyright (c) 1995-2000 University College London
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, is permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Computer Science
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* Department at University College London
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* 4. Neither the name of the University nor of the Department may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "config.h"
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#include "config_unix.h"
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#include "config_win32.h"
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#include "debug.h"
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#include "perf.h"
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#include <sys/types.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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struct message {
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const char * msg;
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const char * argtype;
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};
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static const struct message messages[] = {
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[UVP_INIT] = { "Profiling tool initialized", "" },
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[UVP_GETFRAME] = { "Frame get", "display address" },
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[UVP_PUTFRAME] = { "Frame put", "frame address (UNUSED!)" },
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[UVP_DECODEFRAME] = { "Decode frame", "frame address" },
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[UVP_SEND] = { "TX Send", "timestamp" },
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[UVP_CREATEPBUF] = { "RX Received (first packet)", "timestamp" },
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};
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int main(int argc, char *argv[])
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{
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int id;
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volatile struct _uvp_entry *shm;
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volatile struct _uvp_entry *tmp;
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struct timeval tv_old;
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struct timeval tv_cur;
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tv_old.tv_sec = 0;
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tv_old.tv_usec = 0;
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id = shmget(_uvp_key, BUFFER_LEN, IPC_CREAT | 0666);
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shm = shmat(id, NULL, 0);
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tmp = shm;
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memset((char *) shm, '\0', BUFFER_LEN);
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while(1)
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{
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if(tmp == shm + BUFFER_LEN/ENTRY_LEN) {
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tmp = shm;
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}
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tv_cur.tv_sec = tmp->tv_sec;
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tv_cur.tv_usec = tmp->tv_usec;
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if(tv_gt(tv_old, tv_cur) && tv_diff_usec(tv_old, tv_cur) > 1000) /* 0.001 sec out of order is OK */
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//tmp->tv_usec < tv_old.tv_usec)
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{
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usleep(100000);
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continue;
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}
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tv_old.tv_sec = tmp->tv_sec;
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tv_old.tv_usec = tmp->tv_usec;
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if(tmp->tv_sec != 0) {
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printf("%10ld %10ld%30s:\t%20lX (%s)\n", tmp->tv_sec, tmp->tv_usec, messages[tmp->event].msg, tmp->arg, messages[tmp->event].argtype);
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}
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tmp++;
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}
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shmdt(shm);
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return 0;
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}
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