[PATCH 06 of 13] perf: prewarm the branchmap in perfbranchmapload

[Pulkit Goyal]

On Fri, Nov 23, 2018 at 5:19 PM Boris Feld <boris.feld at octobus.net> wrote:

> # HG changeset patch
> # User Boris Feld <boris.feld at octobus.net>
> # Date 1542935471 -3600
> #      Fri Nov 23 02:11:11 2018 +0100
> # Node ID 9f543638d909768a0db0aa779d37817c4b8878ab
> # Parent  e72da9d014ba91ee4f2fe620a9646404a64d7484
> # EXP-Topic perf-branchmap
> # Available At https://bitbucket.org/octobus/mercurial-devel/
> #              hg pull https://bitbucket.org/octobus/mercurial-devel/ -r
> 9f543638d909
> perf: prewarm the branchmap in perfbranchmapload
>
> It is not very interesting to have the command randomly failing because the
> branchmap for the tested filter happens to be cold. So we make sure to
> have a
> valid up to date branchmap before going further.
>
> The data might still be missing from disk if a subset was equivalent. See
> next
> changeset for details and fix.
>
> diff --git a/contrib/perf.py b/contrib/perf.py
> --- a/contrib/perf.py
> +++ b/contrib/perf.py
> @@ -2203,6 +2203,9 @@ def perfbranchmapload(ui, repo, filter=b
>          repo = repoview.repoview(repo, filter)
>      else:
>          repo = repo.unfiltered()
> +
> +    repo.branchmap # make sure we have a relevant, up to date branchmap
>

Do you want to call this function? According to my understanding it won't
load the branchmap or do something useful.
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