On Tue, Nov 03, 2015 at 07:27:39AM +0100, Umut Tezduyar Lindskog wrote: > journalctl --list-boots seems great actually but wouldn't work for us. > We cannot keep lots of logs in our products. > > Ultimately we are trying to answer the question of how long one of our > product has been in use. > > We will implement it with a .timer/.service which periodically adds > /proc/uptime to a file and the file gets preserved over reboot.
Hi, there's a daemon which does this: https://github.com/rpodgorny/uptimed It keeps database in file: 9932957:1354374472:Linux 3.6.8-1.fc18.x86_64 7635334:1400571727:Linux 3.14.2-200.fc20.x86_64 … And has text frontend for interactive use: % uprecords -M # Uptime | System Boot up ----------------------------+--------------------------------------------------- 1 114 days, 23:09:17 | Linux 3.6.8-1.fc18.x86_6 Sat Dec 1 16:07:52 2012 2 88 days, 08:55:34 | Linux 3.14.2-200.fc20.x8 Tue May 20 09:42:07 2014 3 72 days, 14:59:41 | Linux 3.8.8-203.fc18.x86 Sun Apr 28 18:17:18 2013 4 68 days, 03:35:07 | Linux 3.17.1-302.fc21.x8 Mon Oct 20 08:53:07 2014 5 66 days, 02:38:32 | Linux 3.12.5-302.fc20.x8 Sun Dec 29 14:38:53 2013 6 65 days, 18:50:12 | Linux 3.13.5-202.fc20.x8 Sun Mar 9 20:36:38 2014 7 61 days, 15:45:36 | Linux 3.18.1-2.fc22.x86_ Sat Dec 27 15:43:00 2014 8 59 days, 12:08:43 | Linux 4.0.0-0.rc2.git0.1 Sun Mar 22 11:13:26 2015 9 48 days, 13:06:38 | Linux 3.4.0-1.fc17.x86_6 Thu Jun 7 18:51:12 2012 10 44 days, 02:41:34 | Linux 3.11.3-201.fc19.x8 Fri Oct 11 14:34:46 2013 ----------------------------+--------------------------------------------------- -> 29 17 days, 18:31:09 | Linux 4.2.3-200.fc22.x86 Fri Oct 16 16:07:22 2015 ----------------------------+--------------------------------------------------- 1up in 0 days, 03:04:28 | at Tue Nov 3 12:42:59 2015 t10 in 26 days, 08:10:26 | at Sun Nov 29 17:48:57 2015 no1 in 97 days, 04:38:09 | at Mon Feb 8 14:16:40 2016 mst in 7 days, 05:28:52 | twenty-five days Tue Nov 10 15:07:23 2015 up 1413 days, 06:30:17 | since Sun Jan 1 03:11:26 2012 down -11 days, 00:-03:-1 | since Sun Jan 1 03:11:26 2012 %up 100.785 | since Sun Jan 1 03:11:26 2012 I see no need to merge it in systemd, really. -- Tomasz Torcz 72->| 80->| xmpp: zdzich...@chrome.pl 72->| 80->| _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
