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