From: Natanael Copa <ncopa@alpinelinux.org>
To: Po Lu <luangruo@yahoo.com>
Cc: "Natanael Copa" <natanael.copa@gmail.com>,
"Paul Eggert" <eggert@cs.ucla.edu>,
"Bruno Haible" <bruno@clisp.org>,
"Robert Pluim" <rpluim@gmail.com>,
bug-gnulib@gnu.org, "Pádraig Brady" <P@draigbrady.com>,
"Sven Joachim" <svenjoac@gmx.de>,
64937@debbugs.gnu.org, "Emacs Development" <Emacs-devel@gnu.org>,
"Thorsten Kukuk" <kukuk@suse.com>
Subject: Re: boot time on Linux
Date: Thu, 10 Aug 2023 12:05:08 +0200 [thread overview]
Message-ID: <20230810120508.4dd10092@ncopa-desktop.lan> (raw)
In-Reply-To: <87leejs0e5.fsf@yahoo.com>
On Thu, 10 Aug 2023 17:38:10 +0800
Po Lu <luangruo@yahoo.com> wrote:
> Natanael Copa <natanael.copa@gmail.com> writes:
>
> > 2) Even if it does exist, there is no guarantee that the timestamp is
> > correct. There are machines without RTC (Raspberry PI for example),
> > and in this case the time stamp may end up to be the same every reboot
> > (if correctly set up it should save the shutdown time for the reboot
> > and set time to this on next boot, but there is no guarantee).
>
> If so, doesn't that discount the possibility of deriving the boot time
> from the timestamp of any particular file? Since AFAIU these machines
> lacking a TOY clock are relatively widespread?
That was sort of my point. It is better to avoid if possible. In emacs
case I believe it is.
-nc
next prev parent reply other threads:[~2023-08-10 10:05 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <87tttmpt5h.fsf@turtle.gmx.de>
[not found] ` <20230808173430.GA27131@suse.com>
[not found] ` <26226778.6c9BZvbsD2@nimes>
[not found] ` <3732835.vtg8X0x55z@nimes>
2023-08-09 19:31 ` boot time on Linux Paul Eggert
2023-08-09 21:06 ` Bruno Haible
2023-08-09 23:53 ` Po Lu
2023-08-10 0:14 ` Bruno Haible
2023-08-10 2:14 ` Po Lu
2023-08-10 6:22 ` Paul Eggert
2023-08-10 6:58 ` Po Lu
2023-08-10 10:30 ` Bruno Haible
2023-08-10 12:23 ` bug#64937: " Po Lu via GNU coreutils Bug Reports
2023-08-10 12:25 ` Bruno Haible
2023-08-10 13:04 ` Po Lu
2023-08-10 14:12 ` Bruno Haible
2023-08-11 8:27 ` Po Lu
2023-08-10 9:30 ` Natanael Copa
2023-08-10 9:38 ` Po Lu
2023-08-10 10:05 ` Natanael Copa [this message]
2023-08-10 15:30 ` Bruno Haible
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