perf: add a no-lookup variant to perfindex
It is useful to check how long it takes to create a index object without doing
anything with it. We add a new flag dedicated to that.
--- a/contrib/perf.py Mon Jan 28 04:47:40 2019 -0500
+++ b/contrib/perf.py Fri Jan 25 18:43:48 2019 -0500
@@ -1015,6 +1015,7 @@
@command(b'perfindex', [
(b'', b'rev', b'', b'revision to be looked up (default tip)'),
+ (b'', b'no-lookup', None, b'do not revision lookup post creation'),
] + formatteropts)
def perfindex(ui, repo, **opts):
"""benchmark index creation time followed by a lookup
@@ -1029,7 +1030,9 @@
opts = _byteskwargs(opts)
timer, fm = gettimer(ui, opts)
mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg
- if opts[b'rev'] is None:
+ if opts[b'no_lookup']:
+ n = None
+ elif opts[b'rev'] is None:
n = repo[b"tip"].node()
else:
rev = scmutil.revsingle(repo, opts[b'rev'])
@@ -1044,7 +1047,8 @@
clearchangelog(unfi)
def d():
cl = makecl(unfi)
- cl.rev(n)
+ if n is not None:
+ cl.rev(n)
timer(d, setup=setup)
fm.end()