From: Paul Eggert <eggert@cs.ucla.edu>
To: Max Nikulin <manikulin@gmail.com>
Cc: Eli Zaretskii <eliz@gnu.org>, emacs-devel@gnu.org
Subject: Re: Time resolution in Emacs
Date: Mon, 25 Apr 2022 12:27:41 -0700 [thread overview]
Message-ID: <b3fc086d-3807-4c69-ef42-095837175e8c@cs.ucla.edu> (raw)
In-Reply-To: <7ae621ed-d03b-00cd-bfb3-04a4a2a7d5ce@gmail.com>
On 4/25/22 09:54, Max Nikulin wrote:
> on Linux while file metadata are in cache, timestamps may
> have high time resolution. When later fetched from disk they may have
> coarse resolution, e.g. whole seconds.
Yes, that is a known bug in older Linux kernels. As I understand it, the
bug was fixed many years ago. (It broke GCC builds circa 2004[1] so
there was a good deal of motivation to fix it.) I expect this problem is
no longer relevant; if I'm wrong, Eli's suggestion would help to work
around it.
[1]:
https://linux.kernel.narkive.com/XLtQbTzQ/linux-2-6-nanosecond-time-stamp-weirdness-breaks-gcc-build
next prev parent reply other threads:[~2022-04-25 19:27 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <5ed963b2-3fa8-48d8-627e-bc0571d15b43@gmail.com>
[not found] ` <149de00f-115b-5367-414f-c7700ef8966b@cs.ucla.edu>
[not found] ` <c6525aa8-1496-8ebe-cf2a-24f65cc44672@gmail.com>
[not found] ` <2dd15844-01b3-0144-740c-185ec8488a81@cs.ucla.edu>
[not found] ` <4a23f3a4-fe8f-d396-49d8-10034803be63@gmail.com>
[not found] ` <52fb10fb-892a-f273-3be8-28793f27e204@cs.ucla.edu>
[not found] ` <5cd820d4-ae67-43d4-9e63-c284d51ff1e4@gmail.com>
[not found] ` <f9d9d26c-1974-b52a-8f4d-49167676c102@cs.ucla.edu>
[not found] ` <83tuapvcxs.fsf@gnu.org>
[not found] ` <6efc5d24-34a2-fd30-cd20-fe4ac3e48310@cs.ucla.edu>
[not found] ` <83fsm8tdzl.fsf@gnu.org>
[not found] ` <9e4781b2-2ffa-b1ce-09b4-ead82cad9038@cs.ucla.edu>
[not found] ` <83ilr3siku.fsf@gnu.org>
[not found] ` <4e41671c-fae8-61c4-845c-4c7ba4317e88@cs.ucla.edu>
[not found] ` <83fsm7sh2s.fsf@gnu.org>
[not found] ` <e4cc58ca-51f9-395e-05f5-5f06cb9d439d@cs.ucla.edu>
[not found] ` <83czhbsgc2.fsf@gnu.org>
[not found] ` <33fb24fb-282b-cc13-a597-e7b63f19982d@cs.ucla.edu>
[not found] ` <83y1zzq6kd.fsf@gnu.org>
[not found] ` <aa2bc0a0-1bec-37ff-919d-c20fcdfdab68@cs.ucla.edu>
2022-04-22 5:23 ` Time resolution in Emacs argument optional ones Eli Zaretskii
2022-04-22 18:22 ` Paul Eggert
2022-04-22 18:52 ` Corwin Brust
2022-04-22 21:26 ` Paul Eggert
2022-04-23 6:27 ` Time resolution in Emacs Eli Zaretskii
2022-04-24 0:56 ` Paul Eggert
2022-04-24 6:10 ` Eli Zaretskii
2022-04-24 11:47 ` Max Nikulin
2022-04-24 12:23 ` Eli Zaretskii
2022-04-25 15:32 ` Paul Eggert
2022-04-25 16:01 ` Eli Zaretskii
2022-04-22 19:35 ` Time resolution in Emacs argument optional ones Eli Zaretskii
2022-04-22 21:52 ` Paul Eggert
2022-04-23 6:51 ` Time resolution in Emacs Eli Zaretskii
2022-04-25 15:34 ` Paul Eggert
2022-04-25 16:10 ` Eli Zaretskii
2022-04-25 16:38 ` Paul Eggert
2022-04-25 16:57 ` Eli Zaretskii
2022-04-25 16:54 ` Max Nikulin
2022-04-25 17:02 ` Eli Zaretskii
2022-04-25 19:27 ` Paul Eggert [this message]
2022-04-29 15:19 ` Max Nikulin
2022-04-29 16:07 ` Eli Zaretskii
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