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From: Jussi Kukkonen <jku@goto.fi>
To: "Paul D. DeRocco" <pderocco@ix.netcom.com>
Cc: Yocto discussion list <yocto@yoctoproject.org>
Subject: Re: One second timestamp resolution?
Date: Thu, 12 Sep 2019 12:05:55 +0300	[thread overview]
Message-ID: <CAD5=o+ostuMAdfPEwvWzo95woVGdEGVY8Ddyp5paaDhYVzhLGA@mail.gmail.com> (raw)
In-Reply-To: <6F3C5ED776614BD8B5EE2E8DCAFBFAA3@PAULD>

On Wed, 11 Sep 2019 at 08:53, Paul D. DeRocco <pderocco@ix.netcom.com> wrote:
>
> I just noticed that I'm getting one-second resolution on all my
> timestamps. This is for both ext4 and vfat partitions, and shows up in ls
> --full-time and the stat command. What could account for this? My uname -a
> output is "Linux CHROMA1 4.10.17-yocto-preempt-rt #1 SMP PREEMPT Wed Oct
> 11 12:33:54 PDT 2017 i686 i686 i386 GNU/Linux" if that's any help. Also,
> my ext4 mount options are "rw,noatime,nodiratime,data=ordered".

I think file timestamp resolution on ext4 is one of the things that
depend on inode size (ext4 does not enforce reasonable values because
of compatibility with earlier versions I guess). So maybe check inode
size (should be 256 bytes I think?).

Jussi


  reply	other threads:[~2019-09-12  9:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-11  5:50 One second timestamp resolution? Paul D. DeRocco
2019-09-12  9:05 ` Jussi Kukkonen [this message]
2019-09-12 16:58   ` Paul D. DeRocco

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