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Groups > comp.os.linux.misc > #12629

Re: HOW2 capture time of power-failure?

From William Unruh <unruh@invalid.ca>
Newsgroups comp.os.linux.misc, comp.sys.raspberry-pi
Subject Re: HOW2 capture time of power-failure?
Date 2014-11-05 21:56 +0000
Organization A noiseless patient Spider
Message-ID <m3e6do$jh$1@dont-email.me> (permalink)
References <m2jbi3$geq$1@dont-email.me> <m2jhnq$7b6$1@dont-email.me> <nEInoz.37p@way.freeola.net>

Cross-posted to 2 groups.

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On 2014-11-04, Windmill <spam-no-spam@Freeola.net.invalid> wrote:
> William Unruh <unruh@invalid.ca> writes:
>
>>On 2014-10-26, not.socialnetwork@gmail.com <not.socialnetwork@gmail.com> wrote:
>>> I need to capture the time-after-a-sound-file-starts-playing
>>> until the power is cut, with a resolution of 30 secs., over a
>>> period of 30 minutes.
>
>>Power is cut? What does that mean? 
>>>
>>> While `ogg123  SoundFie.ogg` is playing, could the play-time
>>> be updated every 30 secs?  How?
>>How are you playing it, what is the player software?
>
>>Usually you can get a pretty good idea of the time of a power cut by
>>looking at /var/log/messages and seeind when the last message was written before the
>>cut.
>
> Or if 1 minute intervals are acceptable you can edit the appropriate
> place so that syslogd runs with option '-m 1' and then edit
> /etc/syslogd.conf so that it includes the line

I have rsyslog but it has no -m option. Also the mark log facility
I have not seen before. When was it introduced into syslog? (there is no
explanation of what it is in the man page.)
I can also not find any explanation of the mark facility in syslogd
docs.


>
> mark.*                          /var/log/tstamp
>
> and then that tstamp file will contain things like 
>
> Nov  4 11:44:04 Way -- MARK --
> Nov  4 11:49:04 Way -- MARK --
> Nov  4 11:54:04 Way -- MARK --
>
> (which resulted from '-m 5')
>
> This on a very old Linux system, from the days when you constructed
> your own distribution from the available pieces.
> So file locations and available options will surely have changed a
> little in the interim.
>
>

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Thread

HOW2 capture time of power-failure? not.socialnetwork@gmail.com - 2014-10-26 17:38 +0000
  Re: HOW2 capture time of power-failure? Ian Malcolm <See.My.Sig.for.email@totally.invalid> - 2014-10-26 18:26 +0000
    Re: HOW2 capture time of power-failure? not.socialnetwork@gmail.com - 2014-10-27 18:10 +0000
      Re: HOW2 capture time of power-failure? Gordon Henderson <gordon+usenet@drogon.net> - 2014-10-27 18:29 +0000
        Re: HOW2 capture time of power-failure? not.socialnetwork@gmail.com - 2014-10-28 21:26 +0000
      Re: HOW2 capture time of power-failure? William Unruh <unruh@invalid.ca> - 2014-10-28 04:56 +0000
        Re: HOW2 capture time of power-failure? Dom <domafp@blueyonder.co.uk> - 2014-10-28 06:29 +0000
          Re: HOW2 capture time of power-failure? William Unruh <unruh@invalid.ca> - 2014-10-28 06:41 +0000
            Re: HOW2 capture time of power-failure? not.socialnetwork@gmail.com - 2014-10-29 00:12 +0000
  Re: HOW2 capture time of power-failure? William Unruh <unruh@invalid.ca> - 2014-10-26 19:23 +0000
    Re: HOW2 capture time of power-failure? spam-no-spam@Freeola.net.invalid (Windmill) - 2014-11-04 13:19 +0000
      Re: HOW2 capture time of power-failure? William Unruh <unruh@invalid.ca> - 2014-11-05 21:56 +0000
        Re: HOW2 capture time of power-failure? Joe Beanfish <joebeanfish@nospam.duh> - 2014-11-06 14:12 +0000
        Re: HOW2 capture time of power-failure? nba@users.sourceforge.net (Niels Baggesen) - 2014-11-06 16:15 +0100
          Re: HOW2 capture time of power-failure? William Unruh <unruh@invalid.ca> - 2014-11-06 16:00 +0000
        Re: HOW2 capture time of power-failure? spam-no-spam@Freeola.net.invalid (Windmill) - 2014-11-06 20:37 +0000
      Re: HOW2 capture time of power-failure? Joe Beanfish <joebeanfish@nospam.duh> - 2014-11-06 14:13 +0000
  Re: HOW2 capture time of power-failure? andrew@cucumber.demon.co.uk (Andrew Gabriel) - 2014-10-26 20:28 +0000
  Re: HOW2 capture time of power-failure? Joe Beanfish <joebeanfish@nospam.duh> - 2014-10-27 13:17 +0000
  Re: HOW2 capture time of power-failure? Jean-David Beyer <jeandavid8@verizon.net> - 2014-10-28 13:43 -0400
    Re: HOW2 capture time of power-failure? Ant <ant@zimage.comANT> - 2014-10-29 08:18 -0700
  Re: HOW2 capture time of power-failure? Joe Beanfish <joebeanfish@nospam.duh> - 2014-10-29 13:28 +0000
    Re: HOW2 capture time of power-failure? not.socialnetwork@gmail.com - 2014-10-30 08:32 +0000
      background processes (was HOW2 capture time of power-failure?) Joe Beanfish <joebeanfish@nospam.duh> - 2014-10-30 13:16 +0000
        Re: background processes (was HOW2 capture time of power-failure?) not.socialnetwork@gmail.com - 2014-11-03 03:25 +0000
          Re: background processes (was HOW2 capture time of power-failure?) "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2014-11-02 23:34 -0500
          Re: background processes (was HOW2 capture time of power-failure?) William Unruh <unruh@invalid.ca> - 2014-11-03 08:25 +0000
          Re: background processes (was HOW2 capture time of power-failure?) Martin Gregorie <martin@address-in-sig.invalid> - 2014-11-03 12:56 +0000
            Re: background processes (was HOW2 capture time of power-failure?) not.socialnetwork@gmail.com - 2014-11-06 19:19 +0000
              Re: background processes (was HOW2 capture time of power-failure?) Martin Gregorie <martin@address-in-sig.invalid> - 2014-11-07 02:36 +0000
              Re: background processes (was HOW2 capture time of power-failure?) Joe Beanfish <joebeanfish@nospam.duh> - 2014-11-07 14:28 +0000
                Re: background processes (was HOW2 capture time of power-failure?) not.socialnetwork@gmail.com - 2014-11-08 03:32 +0000

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