From: Junio C Hamano <gitster@pobox.com>
To: "Tao Klerks via GitGitGadget" <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org, Tao Klerks <tao@klerks.biz>
Subject: Re: [PATCH 1/3] Add a second's delay to t7519 for untracked cache
Date: Mon, 28 Jun 2021 21:22:37 -0700 [thread overview]
Message-ID: <xmqq8s2t1er6.fsf@gitster.g> (raw)
In-Reply-To: c4d2a3cab4bd5243a776002e4f04fead7b1f34c5.1624559402.git.gitgitgadget@gmail.com
"Tao Klerks via GitGitGadget" <gitgitgadget@gmail.com> writes:
> From: Tao Klerks <tao@klerks.biz>
>
> In t7519 there is a test that writes files to disk, and immediately
> writes the untracked index. Because of mtime-comparison logic
> that uses a 1-second resolution, this means the cached entries
> are not trusted/used under some circumstances (see
> read-cache.c#is_racy_stat()).
>
> Untracked cache tests in t7063 use a 1-second delay to avoid
> this issue. We should do the same here.
We shouldn't waste wallclock time by slowing down tests, which
already take way too much time. If you can use "test-tool chmtime"
to pretend as if the index file was written earlier than it actually
is, that would be a better solution.
> +avoid_racy() {
Style (see below).
> + sleep 1
> +}
> +
> dirty_repo () {
next prev parent reply other threads:[~2021-06-29 4:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-24 18:29 [PATCH 0/3] Empty untracked cache performance issue Tao Klerks via GitGitGadget
2021-06-24 18:29 ` [PATCH 1/3] Add a second's delay to t7519 for untracked cache Tao Klerks via GitGitGadget
2021-06-29 4:22 ` Junio C Hamano [this message]
2021-06-24 18:30 ` [PATCH 2/3] In t7519, populate untracked cache before test Tao Klerks via GitGitGadget
2021-06-24 18:30 ` [PATCH 3/3] Write index when populating empty untracked cache Tao Klerks via GitGitGadget
2021-06-29 4:42 ` Junio C Hamano
2022-02-24 17:52 ` Tao Klerks
2022-02-24 20:35 ` Junio C Hamano
2022-02-25 17:10 ` [PATCH v2 0/3] Empty untracked cache performance issue Tao Klerks via GitGitGadget
2022-02-25 17:10 ` [PATCH v2 1/3] t7519: avoid file to index mtime race for untracked cache Tao Klerks via GitGitGadget
2022-02-25 19:07 ` Junio C Hamano
2022-02-27 22:12 ` Tao Klerks
2022-02-25 17:10 ` [PATCH v2 2/3] t7519: populate untracked cache before test Tao Klerks via GitGitGadget
2022-02-25 17:10 ` [PATCH v2 3/3] untracked-cache: write index when populating empty untracked cache Tao Klerks via GitGitGadget
2022-02-25 19:12 ` Junio C Hamano
2022-02-27 21:56 ` [PATCH v3 0/3] Empty untracked cache performance issue Tao Klerks via GitGitGadget
2022-02-27 21:56 ` [PATCH v3 1/3] t7519: avoid file to index mtime race for untracked cache Tao Klerks via GitGitGadget
2022-02-27 21:57 ` [PATCH v3 2/3] t7519: populate untracked cache before test Tao Klerks via GitGitGadget
2022-02-27 21:57 ` [PATCH v3 3/3] untracked-cache: write index when populating empty untracked cache Tao Klerks via GitGitGadget
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