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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, ">0ps", TOYFLAG_USR|TOYFLAG_BIN))
config UPTIME
bool "uptime"
default y
depends on TOYBOX_UTMPX
help
usage: uptime [-ps]
Tell the current time, how long the system has been running, the number
of users, and the system load averages for the past 1, 5 and 15 minutes.
-p Pretty (human readable) uptime
-s Since when has the system been up?
*/
#define FOR_uptime
#include "toys.h"
void uptime_main(void)
{
struct sysinfo info;
time_t t;
struct tm *tm;
unsigned int days, hours, minutes;
struct utmpx *entry;
int users = 0;
// Obtain the data we need.
sysinfo(&info);
time(&t);
// Just show the time of boot?
if (toys.optflags & FLAG_s) {
t -= info.uptime;
tm = localtime(&t);
strftime(toybuf, sizeof(toybuf), "%F %T", tm);
xputs(toybuf);
return;
}
// Current time
tm = localtime(&t);
// Uptime
info.uptime /= 60;
minutes = info.uptime%60;
info.uptime /= 60;
hours = info.uptime%24;
days = info.uptime/24;
if (toys.optflags & FLAG_p) {
int weeks = days/7;
days %= 7;
xprintf("up %d week%s, %d day%s, %d hour%s, %d minute%s\n",
weeks, (weeks!=1)?"s":"",
days, (days!=1)?"s":"",
hours, (hours!=1)?"s":"",
minutes, (minutes!=1)?"s":"");
return;
}
xprintf(" %02d:%02d:%02d up ", tm->tm_hour, tm->tm_min, tm->tm_sec);
if (days) xprintf("%d day%s, ", days, (days!=1)?"s":"");
if (hours) xprintf("%2d:%02d, ", hours, minutes);
else printf("%d min, ", minutes);
// Obtain info about logged on users
setutxent();
while ((entry = getutxent())) if (entry->ut_type == USER_PROCESS) users++;
endutxent();
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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