12-05-2011
Quote:
Originally Posted by
Pufo
I need to get, in my application, in different methods, the uptime of the system in milliseconds.
time() - returns only seconds.
Note that
time(2) returns seconds since the epoch, not since system boot (Linux
sysinfo(2) call does return uptime, but only in seconds).
Not terribly helpful, I know...
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uptime
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LEARN ABOUT DEBIAN
uptimed
UPTIMED(8) System Manager's Manual UPTIMED(8)
NAME
uptimed - daemon to record uptime records
SYNOPSIS
uptimed [ -?bv ] [ -e <email> ] [ -i <interval> ] [ -m <count> ]
DESCRIPTION
This manual page documents the uptimed program.
uptimed is a daemon that records statistics about a machine's uptime. Use the uprecords(1) program to get uptime record statistics.
OPTIONS
These command-line options override settings in the configuration file /etc/uptimed.conf
-? Show usage
-b Create bootid and exit. This option is ignored on BSD systems, because the BSD kernel keeps a static boot time variable in memory so
Uptimed does not need to cache this value.
-p <file>
Write PID to pidfile <file>
-e <email>
Send mail to <email> at milestones/records
-i <interval>
Use <interval> seconds for loop
-m <count>
Log a maximum of <count> entries
-t <timespec>
Set the minimum uptime to be considered a record
-v Show version information
SEE ALSO
uprecords(1)
AUTHOR
Rob Kaper <cap@capsi.com>.
This manual page was written by Alan Ford <alan@whirlnet.co.uk>, for the Debian GNU/Linux system (but may be used by others). It was last
modified for uptimed version 0.3.7.
May 28, 2004 UPTIMED(8)