On Thu, Jan 28 2021, Jeff King wrote:
> # using git.git as the test repo
> Test HEAD^ HEAD
> ----------------------------------------------------------------------
> 4205.1: log with %H 0.40(0.39+0.01) 0.03(0.02+0.01) -92.5%
> 4205.2: log with %h 0.45(0.44+0.01) 0.09(0.09+0.00) -80.0%
> 4205.3: log with %T 0.40(0.39+0.00) 0.04(0.04+0.00) -90.0%
> 4205.4: log with %t 0.46(0.46+0.00) 0.09(0.08+0.01) -80.4%
> 4205.5: log with %P 0.39(0.39+0.00) 0.03(0.03+0.00) -92.3%
> 4205.6: log with %p 0.46(0.46+0.00) 0.10(0.09+0.00) -78.3%
> 4205.7: log with %h-%h-%h 0.52(0.51+0.01) 0.15(0.14+0.00) -71.2%
> 4205.8: log with %an-%ae-%s 0.42(0.41+0.00) 0.42(0.41+0.01) +0.0%
Looks nice!
> diff --git a/t/perf/p4205-log-pretty-formats.sh b/t/perf/p4205-log-pretty-formats.sh
> index 7c26f4f337..609fecd65d 100755
> --- a/t/perf/p4205-log-pretty-formats.sh
> +++ b/t/perf/p4205-log-pretty-formats.sh
> @@ -6,7 +6,7 @@ test_description='Tests the performance of various pretty format placeholders'
>
> test_perf_default_repo
>
> -for format in %H %h %T %t %P %p %h-%h-%h
> +for format in %H %h %T %t %P %p %h-%h-%h %an-%ae-%s
> do
> test_perf "log with $format" "
> git log --format=\"$format\" >/dev/null
While we're at it it would be nice to have a few more formats that have
to do with the body in some way in those tests, and stess things like
mailmap/trailers etc.
%s
%b
%B
%N
%aN-%aE
%cn-%ce
%cN-%cE
%d
%D
%(trailers)
Just paging over the git-log manpage, that seems to stress most of the
codepaths, i.e. subject/body, but also things like notes, .mailmap, ref
names, and body parsing (trailers).
