Mercurial > hg
view tests/test-issue4074.t @ 40057:25b2868206e2
copies: add a devel debug mode to trace what copy tracing does
Mercurial can spend a lot of time finding renames between two commits. Having
more information about that process help to understand what makes it slow in
an individual instance. (eg: many files vs 1 file, etc...)
author | Boris Feld <boris.feld@octobus.net> |
---|---|
date | Fri, 07 Sep 2018 11:16:06 -0400 |
parents | 5abc47d4ca6b |
children | 60bc043d7df7 |
line wrap: on
line source
#require no-pure A script to generate nasty diff worst-case scenarios: $ cat > s.py <<EOF > import random > for x in range(100000): > print > if random.randint(0, 100) >= 50: > x += 1 > print(hex(x)) > EOF $ hg init a $ cd a Check in a big file: $ "$PYTHON" ../s.py > a $ hg ci -qAm0 Modify it: $ "$PYTHON" ../s.py > a Time a check-in, should never take more than 10 seconds user time: $ hg ci --time -m1 time: real .* secs .user [0-9][.].* sys .* (re)