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1 /* $Id: time.c,v 1.1.1.1 1997/12/06 05:41:31 darius Exp $ */
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2
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3 #ifdef HANDLER_TIMES
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4 #include <stdio.h>
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5 #include <sys/time.h>
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6
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7 unsigned long avg[70], count[70];
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8 struct timeval pre, post;
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9
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10 void print_times(void);
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11 void log_time(int type, struct timeval *pre, struct timeval *post)
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12 {
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13 static int init=0;
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14 unsigned long usecs;
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15 int i;
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16
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17 if(!init) {
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18 for(i=0;i<70;i++)
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19 avg[i] = count[i] = 0;
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20 init=1;
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21 atexit(print_times);
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22 }
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23
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24 usecs = (post->tv_sec * 1000000 + post->tv_usec) -
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25 ( pre->tv_sec * 1000000 + pre->tv_usec);
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26 avg[type] = ((avg[type]*count[type])+usecs)/(count[type]+1);
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27 count[type]++;
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28 }
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29
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30 void print_times()
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31 {
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32 int i, t_cnt=0, t_avg=0;
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33
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34 printf("Packet handler average times:\n");
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35 printf("Type Count Average time (secs)\n");
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36 for(i=0;i<70;i++) {
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37 if(count[i]) {
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38 printf(" %2d %5d %8.7f\n",i,count[i],(double)((double)avg[i]/1000000.0));
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39 t_cnt+=count[i];
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40 t_avg+=avg[i];
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41 }
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42 }
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43 t_avg /= t_cnt;
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44 printf("Totals:\n");
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45 printf(" -- %5d, %8.7f\n", t_cnt, (double)((double)t_avg/1000000.0));
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46 }
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47
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48 start_log()
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49 {
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50 gettimeofday(&pre, 0);
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51 }
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52
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53 stop_log(int type)
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54 {
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55 gettimeofday(&post, 0);
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56 log_time(type, &pre, &post);
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57 }
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58 #endif
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