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annotate toys/other/uptime.c @ 944:b4faf2ae39e8

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This inlines CRC64, and nothing more. The functions involved were called only once.
author Isaac Dunham <idunham@lavabit.com>
date Sat, 06 Jul 2013 11:26:15 -0500
parents 786841fdb1e0
children 960462460639
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1 /* uptime.c - Tell how long the system has been running.
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2 *
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3 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
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4
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5 USE_UPTIME(NEWTOY(uptime, NULL, TOYFLAG_USR|TOYFLAG_BIN))
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6
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7 config UPTIME
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8 bool "uptime"
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9 default y
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10 help
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11 usage: uptime
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12
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13 Tell how long the system has been running and the system load
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14 averages for the past 1, 5 and 15 minutes.
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15 */
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16
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17 #include "toys.h"
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18
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19 void uptime_main(void)
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20 {
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21 struct sysinfo info;
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22 time_t tmptime;
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23 struct tm * now;
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24 unsigned int days, hours, minutes;
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26 // Obtain the data we need.
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27 sysinfo(&info);
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28 time(&tmptime);
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29 now = localtime(&tmptime);
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31 // Time
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32 xprintf(" %02d:%02d:%02d up ", now->tm_hour, now->tm_min, now->tm_sec);
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33 // Uptime
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34 info.uptime /= 60;
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35 minutes = info.uptime%60;
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36 info.uptime /= 60;
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37 hours = info.uptime%24;
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38 days = info.uptime/24;
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39 if (days) xprintf("%d day%s, ", days, (days!=1)?"s":"");
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40 if (hours) xprintf("%2d:%02d, ", hours, minutes);
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41 else printf("%d min, ", minutes);
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42
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43 printf(" load average: %.02f %.02f %.02f\n", info.loads[0]/65536.0,
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44 info.loads[1]/65536.0, info.loads[2]/65536.0);
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45 }