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108 lines
3.6 KiB
C
108 lines
3.6 KiB
C
/**
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* @file uv_perf.c
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* @author Martin Pulec <pulec@cesnet.cz>
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*/
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/*
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* Copyright (c) 2011-2012 CESNET, z. s. p. o.
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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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*
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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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*
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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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*
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* 3. Neither the name of CESNET nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF 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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