55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/* uptime.c - Tell how long the system has been running.
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*
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* Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
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* Copyright 2012 Luis Felipe Strano Moraes <lfelipe@profusion.mobi>
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* Copyright 2013 Jeroen van Rijn <jvrnix@gmail.com>
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USE_UPTIME(NEWTOY(uptime, NULL, TOYFLAG_USR|TOYFLAG_BIN))
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config UPTIME
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bool "uptime"
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default y
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help
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usage: uptime
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Tell how long the system has been running and the system load
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averages for the past 1, 5 and 15 minutes.
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*/
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#include "toys.h"
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void uptime_main(void)
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{
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struct sysinfo info;
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time_t tmptime;
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struct tm * now;
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unsigned int days, hours, minutes;
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struct utmpx *entry;
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int users = 0;
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// Obtain the data we need.
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sysinfo(&info);
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time(&tmptime);
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now = localtime(&tmptime);
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// Obtain info about logged on users
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setutxent();
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while ((entry = getutxent())) if (entry->ut_type == USER_PROCESS) users++;
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endutxent();
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// Time
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xprintf(" %02d:%02d:%02d up ", now->tm_hour, now->tm_min, now->tm_sec);
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// Uptime
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info.uptime /= 60;
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minutes = info.uptime%60;
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info.uptime /= 60;
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hours = info.uptime%24;
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days = info.uptime/24;
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if (days) xprintf("%d day%s, ", days, (days!=1)?"s":"");
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if (hours) xprintf("%2d:%02d, ", hours, minutes);
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else printf("%d min, ", minutes);
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printf(" %d user%s, ", users, (users!=1) ? "s" : "");
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printf(" load average: %.02f, %.02f, %.02f\n", info.loads[0]/65536.0,
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info.loads[1]/65536.0, info.loads[2]/65536.0);
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}
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