diff options
| author | Jeff King <peff@peff.net> | 2017-11-20 15:26:43 -0500 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2017-11-21 11:07:12 +0900 |
| commit | aa338d35087fdfc268d6f386a40464056acc6237 (patch) | |
| tree | f370d1f1dc6f6b2bbbb5855108d9808bdff88cc8 /t/perf/lib-pack.sh | |
| parent | fc849d8d6b90e5c1e0c37bc0d60dd92b2fe7347f (diff) | |
| download | git-aa338d35087fdfc268d6f386a40464056acc6237.tar.gz | |
p5550: factor out nonsense-pack creation
We have a function to create a bunch of irrelevant packs to
measure the expense of reprepare_packed_git(). Let's make
that available to other perf scripts.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/perf/lib-pack.sh')
| -rw-r--r-- | t/perf/lib-pack.sh | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/t/perf/lib-pack.sh b/t/perf/lib-pack.sh new file mode 100644 index 0000000000..501bb7b272 --- /dev/null +++ b/t/perf/lib-pack.sh @@ -0,0 +1,29 @@ +# Helpers for dealing with large numbers of packs. + +# create $1 nonsense packs, each with a single blob +create_packs () { + perl -le ' + my ($n) = @ARGV; + for (1..$n) { + print "blob"; + print "data <<EOF"; + print "$_"; + print "EOF"; + } + ' "$@" | + git fast-import && + + git cat-file --batch-all-objects --batch-check='%(objectname)' | + while read sha1 + do + echo $sha1 | git pack-objects .git/objects/pack/pack + done +} + +# create a large number of packs, disabling any gc which might +# cause us to repack them +setup_many_packs () { + git config gc.auto 0 && + git config gc.autopacklimit 0 && + create_packs 500 +} |